Merge with upstream.

Makefile.am

@@ -77,8 +77,8 @@ cmSRC += src/libcm/cmProcObj.c src/libcm/cmProc.c src/libcm/cmProc2.c src/libcm/
 cmHDR += src/libcm/app/cmOnset.h src/libcm/app/cmTimeLine.h src/libcm/app/cmScore.h src/libcm/app/cmScoreProc.h 
 cmSRC += src/libcm/app/cmOnset.c src/libcm/app/cmTimeLine.c src/libcm/app/cmScore.c src/libcm/app/cmScoreProc.c 
 
-cmHDR += src/libcm/app/cmSdb.h  src/libcm/app/cmTakeSeqBldr.h
-cmSRC += src/libcm/app/cmSdb.c  src/libcm/app/cmTakeSeqBldr.c
+cmHDR += src/libcm/app/cmSdb.h  src/libcm/app/cmTakeSeqBldr.h  src/libcm/app/cmDspPgmJsonToDot.h
+cmSRC += src/libcm/app/cmSdb.c  src/libcm/app/cmTakeSeqBldr.c  src/libcm/app/cmDspPgmJsonToDot.c
 
 cmHDR += src/libcm/app/cmPickup.h src/libcm/cmRbm.h src/libcm/cmTaskMgr.h  src/libcm/cmSyncRecd.h
 cmSRC += src/libcm/app/cmPickup.c src/libcm/cmRbm.c src/libcm/cmTaskMgr.c  src/libcm/cmSyncRecd.c

app/cmDspPgmJsonToDot.c

@@ -0,0 +1,459 @@
+#include "cmPrefix.h"
+#include "cmGlobal.h"
+#include "cmFloatTypes.h"
+#include "cmComplexTypes.h"
+#include "cmRpt.h"
+#include "cmErr.h"
+#include "cmCtx.h"
+#include "cmMem.h"
+#include "cmMallocDebug.h"
+#include "cmLinkedHeap.h"
+#include "cmSymTbl.h"
+#include "cmJson.h"
+#include "cmText.h"
+#include "cmDspPgmJsonToDot.h"
+#include "cmFile.h"
+#include "cmFileSys.h"
+
+struct cmDotProc_str;
+
+typedef struct cmDotPort_str
+{
+  struct cmDotProc_str* proc;
+  cmChar_t*             labelStr;
+  unsigned              portNo;
+  unsigned              connCnt;  // count of connections to this port
+  struct cmDotPort_str* link;
+} cmDotPort_t;
+
+typedef struct cmDotProc_str
+{
+  cmChar_t*             classStr;
+  cmChar_t*             instStr;
+  cmChar_t*             outStr;
+  unsigned              portCnt;
+  bool                  skipFl;
+  
+  cmDotPort_t*          ports;
+  struct cmDotProc_str* link;
+} cmDotProc_t;
+
+typedef struct cmDotConn_str
+{
+  cmDotPort_t*          srcPort; // output
+  cmDotPort_t*          dstPort; // input
+  bool                  skipFl;
+  struct cmDotConn_str* link;
+} cmDotConn_t;
+
+
+typedef struct cmDot_str
+{
+  cmErr_t      err;
+  cmLHeapH_t   lH;
+  cmDotProc_t* procs;
+  cmDotConn_t* conns;
+} cmDot_t;
+
+typedef struct
+{
+  const cmChar_t* s0;
+  const cmChar_t* s1;
+} cmDotSubst_t;
+
+cmDotSubst_t _cmDotSubstArray[] =
+{
+  { "Router",     "Rtr" },
+  { "Scalar",     "Sc"  },
+  { "ScaleRange", "SR"  },
+  { "MsgList",    "ML"  },
+  { "Button",     "Btn" },
+  { "PortToSym",  "PtS" },
+  { "1ofN",       "lOfN"},
+  { NULL, NULL }
+};
+
+const cmChar_t* _cmDotSkipClassArray[] =
+{
+  "Scalar",
+  NULL
+};
+
+void _cmDotReplaceDash( cmChar_t* str )
+{
+  cmChar_t* s = str;
+  for(; *s; ++s )
+    if( *s == '-' )
+      *s = '_';
+}
+
+cmChar_t* _cmDotSubstitute( cmDot_t* p, const cmChar_t* label )
+{
+  unsigned i;
+  cmChar_t* s = cmLhAllocStr(p->lH,label);
+  
+  for(i=0; _cmDotSubstArray[i].s0 != NULL; ++i)
+  {
+    unsigned n0 = cmTextLength(_cmDotSubstArray[i].s0);
+    
+    if( cmTextCmpN( _cmDotSubstArray[i].s0, s, n0 ) == 0 )
+    {
+      unsigned n1 = cmTextLength(_cmDotSubstArray[i].s1);
+      assert(n0>=n1);
+      cmTextShrinkS(s,s+n1,n0-n1);
+      strncpy(s,_cmDotSubstArray[i].s1,n1);
+    }
+  }
+  
+  return s;
+}
+
+bool _cmDotIsSkipClass( const cmChar_t* classStr )
+{
+  unsigned i;
+
+  for(i=0; _cmDotSkipClassArray[i]!=NULL; ++i)
+    if( cmTextCmp(_cmDotSkipClassArray[i],classStr) == 0 )
+      return true;
+  
+  return false;
+}
+
+cmDotPort_t* _cmDotFindPort( cmDotProc_t* proc, const cmChar_t* labelStr )
+{
+  cmDotPort_t* port =  proc->ports;
+  for(; port!=NULL; port=port->link)
+    if( cmTextCmp(port->labelStr,labelStr) == 0 )
+      return port;
+
+  return NULL;
+}
+
+cmDotProc_t* _cmDotFindProc( cmDot_t* p, const cmChar_t* instStr )
+{
+  cmDotProc_t* dp = p->procs;
+  for(; dp!=NULL; dp=dp->link)
+    if( cmTextCmp(dp->instStr,instStr) == 0 )
+      return dp;
+
+  return NULL;
+}
+
+cmDotPort_t* _cmDotNewPort( cmDot_t* p, cmDotProc_t* proc, const cmChar_t* labelStr )
+{
+  cmDotPort_t* port = NULL;
+
+  if( labelStr==NULL || cmTextLength(labelStr)==0 )
+  {
+    cmErrMsg(&p->err,kInvalidArgDotRC,"A blank port label was encountered.");
+    return NULL;
+  }
+  
+  if((port = _cmDotFindPort(proc,labelStr)) != NULL )
+    return port;
+
+  port = cmLhAllocZ(p->lH,cmDotPort_t,1);
+
+  port->proc      = proc;
+  port->labelStr  = cmLhAllocStr(p->lH,labelStr);
+  port->portNo    = proc->portCnt;
+ 
+  proc->portCnt += 1;
+
+  cmDotPort_t* p0 = NULL;
+  cmDotPort_t* p1 = proc->ports;
+  for(; p1!=NULL; p1=p1->link)
+    p0 = p1;
+
+  if( p0 == NULL )
+    proc->ports = port;
+  else
+    p0->link = port;
+  
+  return port;
+}
+
+cmDotRC_t _cmDotNewConnection( cmDot_t* p, const cmChar_t* srcProcStr, const cmChar_t* srcPortStr, const cmChar_t* dstProcStr, const cmChar_t* dstPortStr )
+{
+  cmDotRC_t    rc = kOkDotRC;
+  cmDotProc_t* srcProc;
+  cmDotProc_t* dstProc;
+  cmDotPort_t* srcPort;
+  cmDotPort_t* dstPort;
+  cmDotConn_t* conn;
+  cmDotConn_t* c0 = NULL;
+  cmDotConn_t* c1 = p->conns;
+
+  // find the source (output) proc
+  if((srcProc = _cmDotFindProc(p,srcProcStr)) == NULL )
+  {
+    rc = cmErrMsg(&p->err,kInvalidArgDotRC,"The connection source proc instance '%s' could not be found.",cmStringNullGuard(srcProcStr));
+    goto errLabel;
+  }
+
+
+  // find the dest (input) proc
+  if((dstProc = _cmDotFindProc(p,dstProcStr)) == NULL )
+  {
+    rc = cmErrMsg(&p->err,kInvalidArgDotRC,"The connection destination proc instance '%s' could not be found.",cmStringNullGuard(dstProcStr));
+    goto errLabel;
+  }
+
+  // find the source port
+  if((srcPort = _cmDotNewPort(p,srcProc,srcPortStr)) == NULL )
+  {
+    rc = cmErrMsg(&p->err,kInvalidArgDotRC,"The source port %s:%s could not be found or allocated.",cmStringNullGuard(srcProc->instStr),cmStringNullGuard(srcPortStr));
+    goto errLabel;
+  }
+
+  // find the dest port
+  if((dstPort = _cmDotNewPort(p,dstProc,dstPortStr)) == NULL )
+  {
+    rc = cmErrMsg(&p->err,kInvalidArgDotRC,"The destination port %s:%s could not be found or allocated.",cmStringNullGuard(dstProc->instStr),cmStringNullGuard(dstPortStr));
+    goto errLabel;
+  }
+
+  conn = cmLhAllocZ(p->lH,cmDotConn_t,1);
+
+  conn->srcPort = srcPort;
+  conn->dstPort = dstPort;
+  conn->skipFl  = _cmDotIsSkipClass(srcProc->classStr) || _cmDotIsSkipClass(dstProc->classStr);
+
+  // track the number of connections to each port
+  if( !conn->skipFl )
+  {
+    conn->dstPort->connCnt += 1;
+    conn->srcPort->connCnt += 1;
+  }
+
+  
+  // set c0 to point to the last connection record
+  for(; c1!=NULL; c1=c1->link)
+    c0 = c1;
+
+  // make conn the last connection record
+  if( c0 == NULL )
+    p->conns = conn;
+  else
+    c0->link = conn;
+
+ errLabel:
+  return rc;
+}
+
+
+cmDotRC_t _cmDotNewProc( cmDot_t* p, const cmChar_t* classStr, const cmChar_t* instStr )
+{
+  cmDotRC_t rc = kOkDotRC;
+  
+  if( instStr==NULL || cmTextLength(instStr)==0 )
+    return cmErrMsg(&p->err,kInvalidArgDotRC,"A blank or NULL instance label was encountered.");
+
+  if( _cmDotFindProc( p, instStr ) )
+    return cmErrMsg(&p->err,kInvalidArgDotRC,"A duplicate processor instance was encountered ('%s').",instStr);
+
+  cmDotProc_t* ndp = cmLhAllocZ(p->lH,cmDotProc_t,1);
+
+  ndp->classStr = cmLhAllocStr(p->lH,classStr);
+  ndp->instStr  = cmLhAllocStr(p->lH,instStr);
+  ndp->outStr   = _cmDotSubstitute(p,instStr);
+  ndp->skipFl   = _cmDotIsSkipClass(classStr);
+
+  cmDotProc_t* d0p = NULL;
+  cmDotProc_t* d1p = p->procs;
+
+  for(; d1p!=NULL; d1p=d1p->link )
+    d0p = d1p;
+
+  if( d0p == NULL )
+    p->procs = ndp;
+  else
+    d0p->link = ndp;
+  
+  return rc;
+}
+
+unsigned _cmDotProcConnCount( cmDotProc_t* proc )
+{
+  unsigned connN = 0;
+  
+  cmDotPort_t* port = proc->ports;
+  for(; port!=NULL; port=port->link)
+    connN += port->connCnt;
+
+  return connN;
+}
+
+cmDotRC_t _cmDotWriteOutput( cmDot_t* p, const cmChar_t* outFn )
+{
+  cmDotRC_t rc = kOkDotRC;
+  
+  cmFileH_t fH = cmFileNullHandle;
+
+  cmFileSysPathPart_t* pathParts = cmFsPathParts(outFn);
+  const cmChar_t* fn = NULL;
+  
+  if( pathParts == NULL )
+  {
+    rc = cmErrMsg(&p->err,kFileFailDotRC,"The output file name '%s' could be parsed.",cmStringNullGuard(outFn));
+    goto errLabel;
+  }
+
+  if((fn = cmFsMakeFn( pathParts->dirStr, pathParts->fnStr, "dot", NULL )) == NULL )
+  {
+    rc = cmErrMsg(&p->err,kFileFailDotRC,"The output file name could not be formed.");
+    goto errLabel;
+  }
+
+  if( cmFileOpen(&fH,fn,kWriteFileFl,p->err.rpt) != kOkFileRC )
+  {
+    rc = cmErrMsg(&p->err,kFileFailDotRC,"The output file '%s' could not be created.",cmStringNullGuard(outFn));
+    goto errLabel;
+  }
+
+  cmFilePrintf(fH,"digraph dsppgm\n{\n node [shape=record]\n");
+
+  cmDotProc_t* proc = p->procs;
+  for(; proc!=NULL; proc=proc->link )
+    if( proc->skipFl==false && _cmDotProcConnCount(proc)>0 )
+    { 
+      cmFilePrintf(fH,"\"%s\" [label=\"<n> %s",proc->outStr,proc->outStr);
+      
+      cmDotPort_t* port = proc->ports;
+      for(; port!=NULL; port=port->link)
+        if( port->connCnt > 0 )
+          cmFilePrintf(fH,"|<p%i> %s",port->portNo,port->labelStr);
+      
+      cmFilePrintf(fH,"\"];\n");
+    }
+  
+  cmDotConn_t* c = p->conns;
+  for(; c!=NULL; c=c->link)
+    if( !c->skipFl )
+    {
+      cmFilePrintf(fH,"\"%s\":p%i -> \"%s\":p%i;\n",
+        c->srcPort->proc->outStr,c->srcPort->portNo,
+        c->dstPort->proc->outStr,c->dstPort->portNo );
+    }
+  
+  cmFilePrintf(fH,"}\n");
+   
+ errLabel:
+  cmFileClose(&fH);
+  cmFsFreeFn(fn);
+  cmFsFreePathParts(pathParts);
+  return rc;
+}
+
+cmDotRC_t cmDspPgmJsonToDot( cmCtx_t* ctx, const cmChar_t* inFn, const cmChar_t* outFn )
+{
+  cmDotRC_t       rc     = kOkDotRC;
+  cmJsonH_t       jsH    = cmJsonNullHandle;
+  cmJsonNode_t*   arr    = NULL;
+  cmJsonNode_t*   rp     = NULL;
+  const char*     errLbl = NULL;
+  cmDot_t         dot;
+  unsigned        i;
+  cmDot_t*        p = &dot;
+
+  memset(p,0,sizeof(dot));
+  
+  cmErrSetup(&p->err,&ctx->rpt,"cmDspPgmJsonToDot");
+
+  // open the pgm description json file
+  if( cmJsonInitializeFromFile( &jsH, inFn, ctx ) != kOkJsRC )
+    return cmErrMsg(&p->err,kJsonFailDotRC,"The program description file '%s' could not be opened.",cmStringNullGuard(inFn));
+
+  // create an lheap to hold internal data objects
+  if(cmLHeapIsValid( p->lH = cmLHeapCreate( 8192, ctx))==false )
+  {
+    rc = cmErrMsg(&p->err,kLHeapFailDotRC,"The internal LHeap could not be created.");
+    goto errLabel;
+  }
+
+  // locate the proc instance desc. array in the JSON tree
+  if((arr = cmJsonFindValue(jsH, "inst_array", NULL, kArrayTId )) == NULL )
+  {
+    rc = cmErrMsg(&p->err,kJsonSyntaxErrDotRC,"The 'inst_array' tag was not found.");
+    goto errLabel;
+  }
+
+  // get a count of proc instances
+  unsigned n = cmJsonChildCount(arr);
+
+  // parse each proc instance
+  for(i=0; i<n; ++i)
+  {
+    
+    if((rp = cmJsonArrayElement(arr,i)) == NULL )
+    {
+      rc = cmErrMsg(&p->err,kJsonSyntaxErrDotRC,"The 'inst_array' element %i was not found.",i);
+      goto errLabel;      
+    }
+
+    cmChar_t* classStr = NULL;
+    cmChar_t* instStr = NULL;
+    if( cmJsonMemberValues(rp, &errLbl,
+        "class", kStringTId, &classStr,
+        "label", kStringTId, &instStr,
+        NULL ) != kOkJsRC )
+    {
+      rc = cmErrMsg(&p->err,kJsonSyntaxErrDotRC,"The 'inst_array' element %i parse failed.",i);
+      goto errLabel;      
+    }
+
+    // create a proc instance data record
+    _cmDotNewProc( p, classStr, instStr );
+    
+  }
+
+  // locate the connection desc array in the JSON tree
+  if((arr = cmJsonFindValue(jsH, "conn_array", NULL, kArrayTId)) == NULL )
+  {
+    rc = cmErrMsg(&p->err,kJsonSyntaxErrDotRC,"The 'conn_array' tag was not found.");
+    goto errLabel;
+  }
+
+  // get a count of the connections
+  n = cmJsonChildCount(arr);
+
+  // for each connection
+  for(i=0; i<n; ++i)
+  {
+    
+    if((rp = cmJsonArrayElement(arr,i)) == NULL )
+    {
+      rc = cmErrMsg(&p->err,kJsonSyntaxErrDotRC,"The 'conn_array' element %i was not found.",i);
+      goto errLabel;      
+    }
+
+    cmChar_t* srcStr     = NULL;
+    cmChar_t* srcPortStr = NULL;
+    cmChar_t* dstStr     = NULL;
+    cmChar_t* dstPortStr = NULL;
+
+    if( cmJsonMemberValues(rp, &errLbl,
+        "sid",  kStringTId, &srcStr,
+        "svar", kStringTId, &srcPortStr,
+        "did",  kStringTId, &dstStr,
+        "dvar", kStringTId, &dstPortStr,
+        NULL) != kOkJsRC )
+    {
+      rc = cmErrMsg(&p->err,kJsonSyntaxErrDotRC,"The 'conn_array' element %i parse failed.",i);
+      goto errLabel;      
+    }
+
+    // create a connection data record
+    _cmDotNewConnection( p, srcStr, srcPortStr, dstStr, dstPortStr );    
+    
+  }
+  
+  rc = _cmDotWriteOutput(p, outFn );
+
+  
+ errLabel:
+  cmJsonFinalize(&jsH);
+  cmLHeapDestroy(&p->lH);
+  
+  return rc;
+}

app/cmDspPgmJsonToDot.h

@@ -0,0 +1,30 @@
+#ifndef cmDspPgmJsonToDot_h
+#define cmDspPgmJsonToDot_h
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+  //( { file_desc:"Convert a JSON graph description to a DOT vector graphics file." kw:[file plot]}
+  
+  enum
+  {
+    kOkDotRC = cmOkRC,
+    kJsonFailDotRC,
+    kJsonSyntaxErrDotRC,
+    kInvalidArgDotRC,
+    kLHeapFailDotRC,
+    kFileFailDotRC
+  };
+
+  typedef unsigned cmDotRC_t;
+
+  cmDotRC_t cmDspPgmJsonToDot( cmCtx_t* ctx, const cmChar_t* inFn, const cmChar_t* outFn );
+
+  //)
+  
+#ifdef __cplusplus
+}
+#endif
+  
+#endif

app/cmOnset.c

@@ -286,12 +286,13 @@ cmOnRC_t cmOnsetProc( cmOnH_t h, const cmOnsetCfg_t* cfg, const cmChar_t* inAudi
   p->medFiltFrmCnt = cmMax(3,floor(cfg->medFiltWndMs * p->afInfo.srate / (1000.0 * p->hopSmpCnt)));
   p->preDelaySmpCnt= floor(cfg->preDelayMs * p->afInfo.srate / 1000.0);
 
+  cmRptPrintf(p->err.rpt,"wndFrmCnt:%i preWndMult:%f thresh:%f maxHz:%f filtCoeff:%f filterId:%i preDelayMs:%f\n",cfg->wndFrmCnt,cfg->preWndMult,cfg->threshold,cfg->maxFrqHz,cfg->filtCoeff,cfg->medFiltWndMs,cfg->filterId,cfg->preDelayMs );
   cmRptPrintf(p->err.rpt,"Analysis Hop Duration: %8.2f ms %i smp\n",(double)p->hopSmpCnt*1000/p->afInfo.srate,p->hopSmpCnt);  
   cmRptPrintf(p->err.rpt,"Median Filter Window:  %8.2f ms %i frames\n",cfg->medFiltWndMs,p->medFiltFrmCnt);
   cmRptPrintf(p->err.rpt,"Detection Pre-delay:   %8.2f ms %i smp\n",cfg->preDelayMs, p->preDelaySmpCnt);
 
   // initialize the audio file reader
-  if( cmAudioFileRdOpen( p->afRdPtr, p->hopSmpCnt, inAudioFn, p->cfg.audioChIdx, 0, cmInvalidIdx ) != cmOkRC )
+  if( cmAudioFileRdOpen( p->afRdPtr, p->hopSmpCnt, inAudioFn, p->cfg.audioChIdx, 0, 0 ) != cmOkRC )
   {
     rc =  cmErrMsg(&p->err,kDspProcFailOnRC, "The audio file reader open failed.");
     goto errLabel;

app/cmOnset.h

@@ -5,6 +5,8 @@
 extern "C" {
 #endif
 
+  //( { file_desc:"Musical event onset detector." kw:[audio] }
+  
   enum
   {
     kOkOnRC = cmOkRC,
@@ -65,6 +67,8 @@ extern "C" {
 
   cmOnRC_t cmOnsetTest( cmCtx_t* c );
 
+  //)
+  
 #ifdef __cplusplus
 }
 #endif

app/cmPickup.h

@@ -5,7 +5,8 @@
 extern "C" {
 #endif
 
-
+  //( { file_desc:"'fluxo' channel calibration and gain normalization program." kw:[fluxo]}
+  
   enum
   {
     kOkPuRC = cmOkRC,
@@ -88,7 +89,8 @@ extern "C" {
   void cmPuReport( cmPuH_t h, cmRpt_t* rpt );
 
   void cmPuTest(cmCtx_t* ctx);
-
+  //)
+  
 #ifdef __cplusplus
 }
 #endif

app/cmScore.c

@@ -133,19 +133,19 @@ typedef struct
 
 cmScEvtRef_t _cmScEvtRefArray[] = 
 {
-  { kTimeSigEvtScId, 0, "tsg" },
-  { kKeySigEvtScId, 0,  "ksg" },
-  { kTempoEvtScId, 0,   "tmp" },
-  { kTrackEvtScId, 0,   "trk" },
-  { kTextEvtScId, 0,    "txt" },
-  { kNameEvtScId, 0,    "nam" },
-  { kEOTrackEvtScId, 0, "eot" },
-  { kCopyEvtScId, 0,    "cpy" },
-  { kBlankEvtScId, 0,   "blk" },
-  { kBarEvtScId, 0,     "bar" },
-  { kPgmEvtScId, 0,     "pgm" },
-  { kCtlEvtScId, 0,     "ctl" },
-  { kNonEvtScId, 0,     "non" },
+  { kTimeSigEvtScId, kTimeSigMdId,  "tsg" },
+  { kKeySigEvtScId,  kKeySigMdId,   "ksg" },
+  { kTempoEvtScId,   kTempoMdId,    "tmp" },
+  { kTrackEvtScId,   kTrkNameMdId,  "trk" },
+  { kTextEvtScId,    kTextMdId,     "txt" },
+  { kNameEvtScId,    kInstrNameMdId,"nam" },
+  { kEOTrackEvtScId, kEndOfTrkMdId, "eot" },
+  { kCopyEvtScId,    kCopyMdId,     "cpy" },
+  { kBlankEvtScId,   0,             "blk" },
+  { kBarEvtScId,     0,             "bar" },
+  { kPgmEvtScId,     kPgmMdId,      "pgm" },
+  { kCtlEvtScId,     kCtlMdId,      "ctl" },
+  { kNonEvtScId,     kNoteOnMdId,   "non" },
   { kInvalidEvtScId, 0, "***" }
 };
 
@@ -196,6 +196,20 @@ const cmChar_t* cmScEvtTypeIdToLabel( unsigned id )
   return NULL;
 }
 
+const cmChar_t* cmScStatusToOpString( unsigned id )
+{
+  if( id == 0 )
+    return "<unknown>";
+  
+  cmScEvtRef_t* r = _cmScEvtRefArray;
+  for(; r->id != kInvalidEvtScId; ++r )
+    if( r->flag == id )
+      return r->label;
+  return NULL;
+  
+}
+
+
 unsigned _cmScDynLabelToId( const cmChar_t* label )
 {
   cmScEvtRef_t* r = _cmScDynRefArray;
@@ -2419,10 +2433,8 @@ cmScRC_t      cmScoreFileFromMidi( cmCtx_t* ctx, const cmChar_t* midiFn, const c
     goto errLabel;
   }
 
-  // Convert the track message 'dtick' field to delta-microseconds.
-  cmMidiFileTickToMicros(mfH);
-
-
+  //printf("secs:%f smps:%f\n",cmMidiFileDurSecs(mfH),cmMidiFileDurSecs(mfH)*96000);
+  
   unsigned                 msgCnt = cmMidiFileMsgCount(mfH);
   unsigned                 i;
   const cmMidiTrackMsg_t** tmpp   = cmMidiFileMsgArray(mfH);
@@ -2456,14 +2468,15 @@ cmScRC_t      cmScoreFileFromMidi( cmCtx_t* ctx, const cmChar_t* midiFn, const c
     unsigned                midiCh = 0;
     unsigned                d0     = 0;
     unsigned                d1     = 0;
-    unsigned metaId = 0;
-    double   dsecs  = (double)tmp->dtick / 1000000.0;
+    unsigned                metaId = 0;
+    double                  dsecs  = (double)tmp->amicro / 1000000.0;
 
     acc_secs += dsecs;
 
     if( tmp->status == kMetaStId )
     {
-      opStr  = cmMidiMetaStatusToLabel(tmp->metaId);
+      //opStr  = cmMidiMetaStatusToLabel(tmp->metaId);
+      opStr  = cmScStatusToOpString(tmp->metaId);
       metaId = tmp->metaId;
 
       switch( tmp->metaId )
@@ -2474,7 +2487,8 @@ cmScRC_t      cmScoreFileFromMidi( cmCtx_t* ctx, const cmChar_t* midiFn, const c
     }
     else
     {
-      opStr = cmMidiStatusToLabel(tmp->status);
+      //opStr = cmMidiStatusToLabel(tmp->status);
+      opStr = cmScStatusToOpString(tmp->status);
       if( cmMidiIsChStatus( tmp->status ) )
       {
         midiCh = tmp->u.chMsgPtr->ch;
@@ -2647,10 +2661,6 @@ void cmScoreFix( cmCtx_t* ctx )
   if( cmMidiFileOpen(mfn,&mfH,ctx) != kOkMfRC )
     goto errLabel;
 
-  cmMidiFileTickToMicros(mfH);
-
-  cmMidiFileCalcNoteDurations(mfH);
-
   mn = cmMidiFileMsgCount(mfH);
 
   msg = cmMidiFileMsgArray(mfH);
@@ -2680,7 +2690,7 @@ void cmScoreFix( cmCtx_t* ctx )
         const cmMidiTrackMsg_t* m = msg[mi];
 
         assert( mi+1 <= id );
-        secs += m->dtick/1000000.0;
+        secs += m->amicro/1000000.0;
 
         if( mi+1 != id )
         {
@@ -2696,7 +2706,7 @@ void cmScoreFix( cmCtx_t* ctx )
           ++mi;
 
           if( m->status == kNoteOnMdId )
-            cmCsvSetCellDouble(   csvH, ci, kDSecsColScIdx, m->u.chMsgPtr->durTicks/1000000.0 );
+            cmCsvSetCellDouble(   csvH, ci, kDSecsColScIdx, m->u.chMsgPtr->durMicros  /1000000.0 );
           break;
         }
         

app/cmScore.h

@@ -5,6 +5,8 @@
 extern "C" {
 #endif
 
+  //( { file_desc:"Object for managing musical score data." kw:[score]}
+  
   enum
   {
     kOkScRC = cmOkRC,
@@ -155,7 +157,7 @@ extern "C" {
 
   const cmChar_t* cmScEvtTypeIdToLabel( unsigned id );
   const cmChar_t* cmScDynIdToLabel( unsigned id );
-
+  const cmChar_t* cmScStatusToOpString( unsigned id );
 
   // Initialize a score object from a CSV File generated from a score spreadsheet.
   // The dynRefArray[dynRefCnt] and cbFunc(cbArg) are optional if these 
@@ -273,7 +275,8 @@ extern "C" {
 
   void          cmScoreTest( cmCtx_t* ctx, const cmChar_t* fn );
 
-
+  //)
+  
 #ifdef __cplusplus
 }
 #endif

app/cmScoreProc.h

@@ -5,6 +5,8 @@
 extern "C" {
 #endif
 
+  //( { file_desc:"Programs for processing cmScore and peformane data." kw:[score seq]}
+
   typedef unsigned cmSpRC_t;
 
   enum
@@ -21,6 +23,8 @@ extern "C" {
 
   cmSpRC_t  cmScoreProc(cmCtx_t* ctx );
 
+  //)
+  
 #ifdef __cplusplus
 }
 #endif

app/cmSdb.h

@@ -5,7 +5,8 @@
 extern "C" {
 #endif
 
-  /*
+  /*( { file_desc:"Musical instrument sample database manager and synthetic sequence generator." kw:[audio] }
+
     The CSV file used to initialize a SDB object has the  following column syntax.
     
     Column Name     Type  Description
@@ -40,7 +41,7 @@ extern "C" {
         so that their cmSdb value is zero based.  See cmSdbLoad().
  
    */
-
+  
   enum
   {
     kOkSdbRC,
@@ -291,7 +292,9 @@ extern "C" {
   void                   cmSdbSeqPrint( cmSdbSeqH_t sh, cmRpt_t* rpt );
 
   cmSdbRC_t cmSdbTest( cmCtx_t* ctx );
-
+  
+  //)
+  
 #ifdef __cplusplus
 }
 #endif

app/cmTakeSeqBldr.c

@@ -956,14 +956,15 @@ cmTsbRC_t cmTakeSeqBldrLoadTake( cmTakeSeqBldrH_t h, unsigned tlMarkUid, bool ov
   }
 
   // convert the dtick field to delta samples
-  cmMidiFileTickToSamples( mfH, cmTimeLineSampleRate(p->tlH), false );
+  //cmMidiFileTickToSamples( mfH, cmTimeLineSampleRate(p->tlH), false );
   
   // calculate MIDI note and pedal durations (see cmMidiChMsg_t.durTicks)
   cmMidiFileCalcNoteDurations( mfH );
   
-  unsigned                 i   = 0;
-  unsigned                 n   = cmMidiFileMsgCount(mfH);
-  const cmMidiTrackMsg_t** a   = cmMidiFileMsgArray(mfH);
+  unsigned                 i     = 0;
+  unsigned                 n     = cmMidiFileMsgCount(mfH);
+  const cmMidiTrackMsg_t** a     = cmMidiFileMsgArray(mfH);
+  double                   srate = cmTimeLineSampleRate(p->tlH);        
   
   // allocate and link a new take render record
   cmTakeTsb_t* t = cmMemAllocZ(cmTakeTsb_t,1);
@@ -1011,8 +1012,8 @@ cmTsbRC_t cmTakeSeqBldrLoadTake( cmTakeSeqBldrH_t h, unsigned tlMarkUid, bool ov
     m1->scEvtIdx  = stm != NULL ? stm->scEvtIdx : cmInvalidIdx;
     m1->flags     = stm != NULL ? stm->flags    : 0;
     m1->ref       = m0;
-    m1->offsetSmp = mf0 == NULL ? 0 : mf1->dtick;
-    m1->durSmp    = mf1->u.chMsgPtr->durTicks;
+    m1->offsetSmp = mf0 == NULL ? 0 : round(mf1->amicro * srate / 1000000.0);
+    m1->durSmp    = mf1->u.chMsgPtr->durMicros * srate / 1000000.0;
     m1->d0        = mf1->u.chMsgPtr->d0;
     m1->d1        = mf1->u.chMsgPtr->d1;
     m1->status    = mf1->status;

app/cmTakeSeqBldr.h

@@ -5,7 +5,8 @@
 extern "C" {
 #endif
 
-
+  //( { file_desc:"Concatenate multipel overlapping MIDI performances into a single virtual performance based by associating score information with the MIDI events." kw:[seq] }
+  
   enum
   {
     kOkTsbRC = cmOkRC,
@@ -123,6 +124,8 @@ extern "C" {
 
   cmTsbRC_t cmTakeSeqBldrTest( cmCtx_t* ctx );
 
+  //)
+  
 #ifdef __cplusplus
 }
 #endif

app/cmTimeLine.c

@@ -530,16 +530,14 @@ cmTlRC_t _cmTlAllocRecd2(
   tp->flags      = 0;
   tp->text       = NULL;
 
+  //printf("%9i %9i %9i %9i\n",tp->begSmpIdx,tp->durSmpCnt,refPtr==NULL?0:refPtr->obj->seqSmpIdx, tp->seqSmpIdx);
+  
   op->obj        = tp;
   op->mem        = mem;
   op->memByteCnt = byteCnt;
   op->next       = NULL;
   op->prev       = NULL;
 
-
-  //if( seqId == 4 )
-  //  printf("seq:%i id:%i type:%i accum:%i ref:%i offs:%i %f\n",seqId, tp->uid, tp->typeId, tp->seqSmpIdx, refPtr==NULL?-1:refPtr->obj->uid, begSmpIdx, begSmpIdx/(96000.0*60.0) );
-
   _cmTlInsertAfter(p, _cmTlFindRecdBefore(p,op), op );
 
 
@@ -651,36 +649,36 @@ cmTlRC_t _cmTlProcMidiFile( _cmTl_t* p,  _cmTlObj_t* op, cmMidiFileH_t mfH )
   const cmMidiTrackMsg_t** mapp         = cmMidiFileMsgArray(mfH);
   unsigned                 mi           = 0;
   _cmTlObj_t*              refOp        = op;
+  double                   smpPerMicro  = p->srate / 1000000.0;
+  unsigned                 begSmpIdx0   = 0;
   mfp->noteOnCnt = 0;
   
   // for each midi message
   for(; mi<mn; ++mi)
   {
-    _cmTlObj_t*             meop = NULL;
-    const cmMidiTrackMsg_t* mp   = mapp[mi];
-
-    int      begSmpIdx         = mp->dtick;
-    int      durSmpCnt         = 0;
-    unsigned midiTrkMsgByteCnt = cmMidiFilePackTrackMsgBufByteCount( mp );
-    unsigned recdByteCnt       = sizeof(cmTlMidiEvt_t) + midiTrkMsgByteCnt;
-
-    //if( mfp->obj.seqId==4 && mi<=25 )
-    //  printf("%s: bsi:%9i acc:%f smp acc:%f min %s\n", mp->status == kNoteOnMdId?"non":"   ", begSmpIdx, accum, accum / (p->srate * 60),cmStringNullGuard(mfp->obj.name));
+    _cmTlObj_t*             meop              = NULL;
+    const cmMidiTrackMsg_t* mp                = mapp[mi];
+    int                     begSmpIdx         = mp->amicro * smpPerMicro;
+    int                     durSmpCnt         = 0;
+    unsigned                midiTrkMsgByteCnt = cmMidiFilePackTrackMsgBufByteCount( mp );
+    unsigned                recdByteCnt       = sizeof(cmTlMidiEvt_t) + midiTrkMsgByteCnt;
 
     // count the note-on messages
     if( cmMidiIsNoteOn(mp->status) )
     {
-      durSmpCnt = mp->u.chMsgPtr->durTicks;
+      durSmpCnt = mp->u.chMsgPtr->durMicros * smpPerMicro;
       ++mfp->noteOnCnt;
     }
 
     if( cmMidiIsCtl(mp->status) && cmMidiIsSustainPedal(mp->status,mp->u.chMsgPtr->d0) )
-      durSmpCnt = mp->u.chMsgPtr->durTicks;
+      durSmpCnt = mp->u.chMsgPtr->durMicros * smpPerMicro;
 
     // allocate the generic time-line object record
-    if((rc = _cmTlAllocRecd2(p, NULL, refOp, begSmpIdx, durSmpCnt, kMidiEvtTlId, mfp->obj.seqId, recdByteCnt, &meop)) != kOkTlRC )
+    if((rc = _cmTlAllocRecd2(p, NULL, refOp, begSmpIdx-begSmpIdx0, durSmpCnt, kMidiEvtTlId, mfp->obj.seqId, recdByteCnt, &meop)) != kOkTlRC )
       goto errLabel;
 
+    begSmpIdx0 = begSmpIdx;
+    
     assert( meop != NULL );
     
     cmTlMidiEvt_t* mep = _cmTimeLineMidiEvtObjPtr(p,meop->obj);
@@ -731,7 +729,7 @@ cmTlRC_t _cmTlAllocMidiFileRecd( _cmTl_t* p, const cmChar_t* nameStr, const cmCh
   unsigned durSmpCnt = floor(cmMidiFileDurSecs(mfH)*p->srate);
 
   // convert the midi file from delta ticks to delta samples
-  cmMidiFileTickToSamples(mfH,p->srate,false);
+  //cmMidiFileTickToSamples(mfH,p->srate,false);
 
   // assign note durations to all note-on msg's
   cmMidiFileCalcNoteDurations(mfH);
@@ -757,6 +755,7 @@ cmTlRC_t _cmTlAllocMidiFileRecd( _cmTl_t* p, const cmChar_t* nameStr, const cmCh
 
   op->obj->text = mp->fn;
 
+
   // insert the events in the midi file as individual time line objects
   if((rc = _cmTlProcMidiFile(p, op, mfH)) != kOkTlRC )
     goto errLabel;
@@ -1363,7 +1362,7 @@ cmTlRC_t cmTimeLineReadJson(  cmTlH_t* hp, const cmChar_t* ifn )
 
   if( cmJsonMemberValues(jnp,&errLabelPtr,
       "srate",kRealTId,&p->srate,
-      "onset",kObjectTId,&cnp,
+      "onset",kObjectTId | kOptArgJsFl,&cnp,
       "objArray",kArrayTId,&jnp,
       NULL) != kOkJsRC )
   {
@@ -1374,28 +1373,31 @@ cmTlRC_t cmTimeLineReadJson(  cmTlH_t* hp, const cmChar_t* ifn )
     goto errLabel;
   }
 
-  if((jsRC = cmJsonMemberValues(cnp,&errLabelPtr,
-      "wndMs",        kRealTId, &p->onsetCfg.wndMs,
-      "hopFact",      kIntTId,  &p->onsetCfg.hopFact,
-      "audioChIdx",   kIntTId,  &p->onsetCfg.audioChIdx,
-      "wndFrmCnt",    kIntTId,  &p->onsetCfg.wndFrmCnt,
-      "preWndMult",   kRealTId, &p->onsetCfg.preWndMult,
-      "threshold",    kRealTId, &p->onsetCfg.threshold,
-      "maxFrqHz",     kRealTId, &p->onsetCfg.maxFrqHz,
-      "filtCoeff",    kRealTId, &p->onsetCfg.filtCoeff,
-      "medFiltWndMs", kRealTId, &p->onsetCfg.medFiltWndMs,
-      "filterId",     kIntTId,  &p->onsetCfg.filterId,
-      "preDelayMs",   kRealTId, &p->onsetCfg.preDelayMs,
-        NULL)) !=        kOkJsRC )
+  if( cnp != NULL )
   {
+    if((jsRC = cmJsonMemberValues(cnp,&errLabelPtr,
+          "wndMs",        kRealTId, &p->onsetCfg.wndMs,
+          "hopFact",      kIntTId,  &p->onsetCfg.hopFact,
+          "audioChIdx",   kIntTId,  &p->onsetCfg.audioChIdx,
+          "wndFrmCnt",    kIntTId,  &p->onsetCfg.wndFrmCnt,
+          "preWndMult",   kRealTId, &p->onsetCfg.preWndMult,
+          "threshold",    kRealTId, &p->onsetCfg.threshold,
+          "maxFrqHz",     kRealTId, &p->onsetCfg.maxFrqHz,
+          "filtCoeff",    kRealTId, &p->onsetCfg.filtCoeff,
+          "medFiltWndMs", kRealTId, &p->onsetCfg.medFiltWndMs,
+          "filterId",     kIntTId,  &p->onsetCfg.filterId,
+          "preDelayMs",   kRealTId, &p->onsetCfg.preDelayMs,
+          NULL)) !=        kOkJsRC )
+    {
     
-    if(jsRC == kNodeNotFoundJsRC )
-      rc = cmErrMsg(&p->err,kParseFailTlRC,"The JSON 'time_line' onset analysizer cfg. required field:'%s' was not found in '%s'.",errLabelPtr,cmStringNullGuard(ifn));
-    else
-      rc = cmErrMsg(&p->err,kParseFailTlRC,"The JSON 'time_line' onset analyzer cfg.  in '%s'.",cmStringNullGuard(ifn));
-    goto errLabel;
+      if(jsRC == kNodeNotFoundJsRC )
+        rc = cmErrMsg(&p->err,kParseFailTlRC,"The JSON 'time_line' onset analysizer cfg. required field:'%s' was not found in '%s'.",errLabelPtr,cmStringNullGuard(ifn));
+      else
+        rc = cmErrMsg(&p->err,kParseFailTlRC,"The JSON 'time_line' onset analyzer cfg.  in '%s'.",cmStringNullGuard(ifn));
+      goto errLabel;
+    }
   }
-
+  
   for(i=0; i<cmJsonChildCount(jnp); ++i)
   {
     const cmJsonNode_t* rp = cmJsonArrayElementC(jnp,i);
@@ -1478,6 +1480,12 @@ cmTlRC_t cmTimeLineGenOnsetMarks( cmTlH_t h, unsigned seqId )
   unsigned   i,j;
   unsigned   smpIdx;
 
+  if( p->onsetCfg.wndMs == 0 )
+  {
+    rc = cmErrMsg(&p->err,kOnsetFailTlRC,"Audio onset analyzer not-configured.");
+    goto errLabel;    
+  }
+
   // initialize the audio onset analyzer
   if( cmOnsetInitialize(&p->ctx, &onsH ) != kOkOnRC )
   {

app/cmTimeLine.h

@@ -5,6 +5,8 @@
 extern "C" {
 #endif
 
+  //( { file_desc:"Manage, save, and restore a time-line containing  MIDI files, Audio files, Audio events, and arbitrary markers ." kw[seq] }
+ 
 
   typedef cmHandle_t cmTlH_t;
 
@@ -248,6 +250,8 @@ extern "C" {
   // callback function.
   cmTlRC_t cmTimeLineDecode( const void* msg, unsigned msgByteCnt, cmTlUiMsg_t* uiMsg );
 
+  //)
+  
 #ifdef __cplusplus
 }
 #endif

cmApBuf.h

@@ -1,34 +1,33 @@
-/// \file cmApBuf.h
-/// \brief  Thread-safe audio buffer class.
-///
-/// This file defines an audio buffer class which handles
-/// buffering incoming (recording) and outgoing (playback)
-/// samples in a thread-safe manner. 
-///
-/// Usage example and testing code:
-/// See cmApBufTest() and cmAudioSysTest().
-/// \snippet cmApBuf.c cmApBufExample
-///
-/// Notes on channel flags:
-/// Disabled channels:  kChFl is cleared
-///   cmApBufGet()     
-///      in  - return NULL buffer pointers  
-///      out - return NULL buffer points
-///
-///   cmApBufUpdate()
-///      in  - incoming samples are set to 0. 
-///      out - outgoing samples are set to 0.
-///
-/// Muted channels: kMuteFl is set 
-///   cmApBufUpdate()
-///      in  - incoming samples are set to 0. 
-///      out - outgoing samples are set to 0.
-///
-/// Tone channels: kToneFl is set 
-///   cmApBufUpdate()
-///      in  - incoming samples are filled with a 1k sine tone
-///      out - outgoing samples are filled with a 1k sine tone
-///
+//( {file_desc: "Thread safe audio buffer class." kw:[rt audio]}
+//
+// This file defines an audio buffer class which handles
+// buffering incoming (recording) and outgoing (playback)
+// samples in a thread-safe manner. 
+//
+// Usage example and testing code:
+// See cmApBufTest() and cmAudioSysTest().
+// \snippet cmApBuf.c cmApBufExample
+//
+// Notes on channel flags:
+// Disabled channels:  kChFl is cleared
+//   cmApBufGet()     
+//      in  - return NULL buffer pointers  
+//      out - return NULL buffer points
+//
+//   cmApBufUpdate()
+//      in  - incoming samples are set to 0. 
+//      out - outgoing samples are set to 0.
+//
+// Muted channels: kMuteFl is set 
+//   cmApBufUpdate()
+//      in  - incoming samples are set to 0. 
+//      out - outgoing samples are set to 0.
+//
+// Tone channels: kToneFl is set 
+//   cmApBufUpdate()
+//      in  - incoming samples are filled with a 1k sine tone
+//      out - outgoing samples are filled with a 1k sine tone
+//)
 
 #ifndef cmApBuf_h
 #define cmApBuf_h
@@ -36,199 +35,200 @@
 #ifdef __cplusplus
 extern "C" {
 #endif
-
-  typedef cmRC_t cmAbRC_t;  ///< Result code type
+  
+  //(
+  typedef cmRC_t cmAbRC_t;  //< Result code type
   
   enum
   {
     kOkAbRC = 0
   };
 
-  /// Allocate and initialize an audio buffer.
-  /// devCnt - count of devices this buffer will handle.
-  /// meterMs - length of the meter buffers in milliseconds (automatically limit to the range:10 to 1000)
+  // Allocate and initialize an audio buffer.
+  // devCnt - count of devices this buffer will handle.
+  // meterMs - length of the meter buffers in milliseconds (automatically limit to the range:10 to 1000)
   cmAbRC_t cmApBufInitialize( unsigned devCnt, unsigned meterMs );
 
-  /// Deallocate and release any resource held by an audio buffer allocated via cmApBufInitialize().
+  // Deallocate and release any resource held by an audio buffer allocated via cmApBufInitialize().
   cmAbRC_t cmApBufFinalize();
 
-  /// Configure a buffer for a given device.  
+  // Configure a buffer for a given device.  
   cmAbRC_t cmApBufSetup( 
-    unsigned devIdx,              ///< device to setup
-    double   srate,               ///< device sample rate (only required for synthesizing the correct test-tone frequency)
-    unsigned dspFrameCnt,         /// dspFrameCnt - count of samples in channel buffers returned via cmApBufGet() 
-    unsigned cycleCnt,            ///< number of audio port cycles to store 
-    unsigned inChCnt,             ///< input channel count on this device
-    unsigned inFramesPerCycle,    ///< maximum number of incoming sample frames on an audio port cycle
-    unsigned outChCnt,            ///< output channel count on this device
-    unsigned outFramesPerCycle    ///< maximum number of outgoing sample frames in an audio port cycle
+    unsigned devIdx,              //< device to setup
+    double   srate,               //< device sample rate (only required for synthesizing the correct test-tone frequency)
+    unsigned dspFrameCnt,         // dspFrameCnt - count of samples in channel buffers returned via cmApBufGet() 
+    unsigned cycleCnt,            //< number of audio port cycles to store 
+    unsigned inChCnt,             //< input channel count on this device
+    unsigned inFramesPerCycle,    //< maximum number of incoming sample frames on an audio port cycle
+    unsigned outChCnt,            //< output channel count on this device
+    unsigned outFramesPerCycle    //< maximum number of outgoing sample frames in an audio port cycle
                          );
 
-  /// Prime the buffer with 'audioCycleCnt' * outFramesPerCycle samples ready to be played
+  // Prime the buffer with 'audioCycleCnt' * outFramesPerCycle samples ready to be played
   cmAbRC_t cmApBufPrimeOutput( unsigned devIdx, unsigned audioCycleCnt );
 
-  /// Notify the audio buffer that a device is being enabled or disabled.
+  // Notify the audio buffer that a device is being enabled or disabled.
   void     cmApBufOnPortEnable( unsigned devIdx, bool enabelFl );
 
-  /// This function is called asynchronously by the audio device driver to transfer incoming samples to the
-  /// the buffer and to send outgoing samples to the DAC. This function is 
-  /// intended to be called from the audio port callback function (\see cmApCallbackPtr_t).
-  /// This function is thread-safe under the condition where the audio device uses
-  /// different threads for input and output.
-  ///
-  /// Enable Flag: 
-  /// Input: If an input channel is disabled then the incoming samples are replaced with zeros.
-  /// Output: If an output channel is disabled then the packet samples are set to zeros.
-  ///
-  /// Tone Flag:
-  /// Input: If the tone flag is set on an input channel then the incoming samples are set to a sine tone.
-  /// Output: If the tone flag is set on an output channel then the packet samples are set to a sine tone.
-  ///
-  /// The enable flag has higher precedence than the tone flag therefore disabled channels
-  /// will be set to zero even if the tone flag is set.
+  // This function is called asynchronously by the audio device driver to transfer incoming samples to the
+  // the buffer and to send outgoing samples to the DAC. This function is 
+  // intended to be called from the audio port callback function (\see cmApCallbackPtr_t).
+  // This function is thread-safe under the condition where the audio device uses
+  // different threads for input and output.
+  //
+  // Enable Flag: 
+  // Input: If an input channel is disabled then the incoming samples are replaced with zeros.
+  // Output: If an output channel is disabled then the packet samples are set to zeros.
+  //
+  // Tone Flag:
+  // Input: If the tone flag is set on an input channel then the incoming samples are set to a sine tone.
+  // Output: If the tone flag is set on an output channel then the packet samples are set to a sine tone.
+  //
+  // The enable flag has higher precedence than the tone flag therefore disabled channels
+  // will be set to zero even if the tone flag is set.
   cmAbRC_t cmApBufUpdate(
-    cmApAudioPacket_t* inPktArray,  ///< full audio packets from incoming audio (from ADC)
-    unsigned           inPktCnt,    ///< count of incoming audio packets
-    cmApAudioPacket_t* outPktArray, ///< empty audio packet for outgoing audio (to DAC)  
-    unsigned           outPktCnt    ///< count of outgoing audio packets
+    cmApAudioPacket_t* inPktArray,  //< full audio packets from incoming audio (from ADC)
+    unsigned           inPktCnt,    //< count of incoming audio packets
+    cmApAudioPacket_t* outPktArray, //< empty audio packet for outgoing audio (to DAC)  
+    unsigned           outPktCnt    //< count of outgoing audio packets
                          );
-  /// Channel flags
+  // Channel flags
   enum
   {
-    kInApFl     = 0x01,  ///< Identify an input channel
-    kOutApFl    = 0x02,  ///< Identify an output channel
-    kEnableApFl = 0x04,  ///< Set to enable a channel, Clear to disable. 
-
-    kChApFl     = 0x08,  ///< Used to enable/disable a channel
-    kMuteApFl   = 0x10,  ///< Mute this channel
-    kToneApFl   = 0x20,  ///< Generate a tone on this channel
-    kMeterApFl  = 0x40,  ///< Turn meter's on/off
-    kPassApFl   = 0x80   ///< Pass input channels throught to the output. Must use cmApBufGetIO() to implement this functionality.
+    kInApFl     = 0x01,  //< Identify an input channel
+    kOutApFl    = 0x02,  //< Identify an output channel
+    kEnableApFl = 0x04,  //< Set to enable a channel, Clear to disable. 
+
+    kChApFl     = 0x08,  //< Used to enable/disable a channel
+    kMuteApFl   = 0x10,  //< Mute this channel
+    kToneApFl   = 0x20,  //< Generate a tone on this channel
+    kMeterApFl  = 0x40,  //< Turn meter's on/off
+    kPassApFl   = 0x80   //< Pass input channels throught to the output. Must use cmApBufGetIO() to implement this functionality.
   
   };
 
-  /// Return the meter window period as set by cmApBufInitialize()
+  // Return the meter window period as set by cmApBufInitialize()
   unsigned cmApBufMeterMs();
   
   // Set the meter update period. THis function limits the value to between 10 and 1000.
   void     cmApBufSetMeterMs( unsigned meterMs );
 
-  /// Returns the channel count set via cmApBufSetup().
+  // Returns the channel count set via cmApBufSetup().
   unsigned cmApBufChannelCount( unsigned devIdx, unsigned flags );
 
-  /// Set chIdx to -1 to enable all channels on this device.
-  /// Set flags to {kInApFl | kOutApFl} | {kChApFl | kToneApFl | kMeterFl} | { kEnableApFl=on | 0=off }  
+  // Set chIdx to -1 to enable all channels on this device.
+  // Set flags to {kInApFl | kOutApFl} | {kChApFl | kToneApFl | kMeterFl} | { kEnableApFl=on | 0=off }  
   void cmApBufSetFlag( unsigned devIdx, unsigned chIdx, unsigned flags );
   
-  /// Return true if the the flags is set.
+  // Return true if the the flags is set.
   bool cmApBufIsFlag( unsigned devIdx, unsigned chIdx, unsigned flags );
 
-  /// Set chIdx to -1 to enable all channels on this device.
+  // Set chIdx to -1 to enable all channels on this device.
   void  cmApBufEnableChannel(   unsigned devIdx, unsigned chIdx, unsigned flags );
 
-  /// Returns true if an input/output channel is enabled on the specified device.
+  // Returns true if an input/output channel is enabled on the specified device.
   bool  cmApBufIsChannelEnabled(unsigned devIdx, unsigned chIdx, unsigned flags );
 
-  /// Set the state of the tone generator on the specified channel.
-  /// Set chIdx to -1 to apply the change to all channels on this device.
-  /// Set flags to {kInApFl | kOutApFl} | { kEnableApFl=on | 0=off }
+  // Set the state of the tone generator on the specified channel.
+  // Set chIdx to -1 to apply the change to all channels on this device.
+  // Set flags to {kInApFl | kOutApFl} | { kEnableApFl=on | 0=off }
   void  cmApBufEnableTone(   unsigned devIdx, unsigned chIdx, unsigned flags );
 
-  /// Returns true if an input/output tone is enabled on the specified device.
+  // Returns true if an input/output tone is enabled on the specified device.
   bool  cmApBufIsToneEnabled(unsigned devIdx, unsigned chIdx, unsigned flags );
 
-  /// Mute a specified channel.
-  /// Set chIdx to -1 to apply the change to all channels on this device.
-  /// Set flags to {kInApFl | kOutApFl} | { kEnableApFl=on | 0=off }
+  // Mute a specified channel.
+  // Set chIdx to -1 to apply the change to all channels on this device.
+  // Set flags to {kInApFl | kOutApFl} | { kEnableApFl=on | 0=off }
   void  cmApBufEnableMute(   unsigned devIdx, unsigned chIdx, unsigned flags );
 
-  /// Returns true if an input/output channel is muted on the specified device.
+  // Returns true if an input/output channel is muted on the specified device.
   bool  cmApBufIsMuteEnabled(unsigned devIdx, unsigned chIdx, unsigned flags );
 
-  /// Set the specified channel to pass through.
-  /// Set chIdx to -1 to apply the change to all channels on this device.
-  /// Set flags to {kInApFl | kOutApFl} | { kEnableApFl=on | 0=off }
+  // Set the specified channel to pass through.
+  // Set chIdx to -1 to apply the change to all channels on this device.
+  // Set flags to {kInApFl | kOutApFl} | { kEnableApFl=on | 0=off }
   void  cmApBufEnablePass(   unsigned devIdx, unsigned chIdx, unsigned flags );
 
-  /// Returns true if pass through is enabled on the specified channel.
+  // Returns true if pass through is enabled on the specified channel.
   bool  cmApBufIsPassEnabled(unsigned devIdx, unsigned chIdx, unsigned flags );
 
-  /// Turn meter data collection on and off.
-  /// Set chIdx to -1 to apply the change to all channels on this device.
-  /// Set flags to {kInApFl | kOutApFl} | { kEnableApFl=on | 0=off }
+  // Turn meter data collection on and off.
+  // Set chIdx to -1 to apply the change to all channels on this device.
+  // Set flags to {kInApFl | kOutApFl} | { kEnableApFl=on | 0=off }
   void  cmApBufEnableMeter(   unsigned devIdx, unsigned chIdx, unsigned flags );
 
-  /// Returns true if an input/output tone is enabled on the specified device.
+  // Returns true if an input/output tone is enabled on the specified device.
   bool  cmApBufIsMeterEnabled(unsigned devIdx, unsigned chIdx, unsigned flags );
 
-  /// Return the meter value for the requested channel.
-  /// Set flags to kInApFl | kOutApFl.
+  // Return the meter value for the requested channel.
+  // Set flags to kInApFl | kOutApFl.
   cmApSample_t cmApBufMeter(unsigned devIdx, unsigned chIdx, unsigned flags );
 
-  /// Set chIdx to -1 to apply the gain to all channels on the specified device.
+  // Set chIdx to -1 to apply the gain to all channels on the specified device.
   void cmApBufSetGain( unsigned devIdx, unsigned chIdx, unsigned flags, double gain );
 
-  /// Return the current gain seting for the specified channel.
+  // Return the current gain seting for the specified channel.
   double cmApBufGain( unsigned devIdx, unsigned chIdx, unsigned flags ); 
 
-  /// Get the meter and fault status of the channel input or output channel array of a device.
-  /// Set 'flags' to { kInApFl | kOutApFl }.
-  /// The returns value is the count of channels actually written to meterArray.
-  /// If 'faultCntPtr' is non-NULL then it is set to the faultCnt of the associated devices input or output buffer.
+  // Get the meter and fault status of the channel input or output channel array of a device.
+  // Set 'flags' to { kInApFl | kOutApFl }.
+  // The returns value is the count of channels actually written to meterArray.
+  // If 'faultCntPtr' is non-NULL then it is set to the faultCnt of the associated devices input or output buffer.
   unsigned cmApBufGetStatus( unsigned devIdx, unsigned flags, double* meterArray, unsigned meterCnt, unsigned* faultCntPtr );
 
-  /// Do all enabled input/output channels on this device have samples available?
-  /// 'flags' can be set to either or both kInApFl and kOutApFl
+  // Do all enabled input/output channels on this device have samples available?
+  // 'flags' can be set to either or both kInApFl and kOutApFl
   bool  cmApBufIsDeviceReady( unsigned devIdx, unsigned flags ); 
 
-  /// This function is called by the application to get full incoming sample buffers and
-  /// to fill empty outgoing sample buffers.
-  /// Upon return each element in bufArray[bufChCnt] holds a pointer to a buffer assoicated 
-  /// with an audio channel or to NULL if the channel is disabled.
-  /// 'flags' can be set to kInApFl or kOutApFl but not both.
-  /// The buffers pointed to by bufArray[] each contain 'dspFrameCnt' samples. Where 
-  /// 'dspFrameCnt' was set in the earlier call to cmApBufSetup() for this device.
-  /// (see cmApBufInitialize()).
-  /// Note that this function just returns audio information it does not
-  /// change any cmApBuf() internal states.
+  // This function is called by the application to get full incoming sample buffers and
+  // to fill empty outgoing sample buffers.
+  // Upon return each element in bufArray[bufChCnt] holds a pointer to a buffer assoicated 
+  // with an audio channel or to NULL if the channel is disabled.
+  // 'flags' can be set to kInApFl or kOutApFl but not both.
+  // The buffers pointed to by bufArray[] each contain 'dspFrameCnt' samples. Where 
+  // 'dspFrameCnt' was set in the earlier call to cmApBufSetup() for this device.
+  // (see cmApBufInitialize()).
+  // Note that this function just returns audio information it does not
+  // change any cmApBuf() internal states.
   void cmApBufGet(     unsigned devIdx, unsigned flags, cmApSample_t* bufArray[], unsigned bufChCnt );
 
-  /// This function replaces calls to cmApBufGet() and implements pass-through and output 
-  /// buffer zeroing: 
-  /// 
-  /// 1) cmApBufGet(in);
-  /// 2) cmApBufGet(out);
-  /// 3) Copy through channels marked for 'pass' and set the associated oBufArray[i] channel to NULL.
-  /// 4) Zero all other enabled output channels.
-  ///
-  /// Notes:
-  /// 1) The oBufArray[] channels that are disabled or marked for pass-through will 
-  /// be set to NULL.
-  /// 2) The client is required to use this function to implement pass-through internally.
-  /// 3) This function just returns audio information it does not
-  /// change any cmApBuf() internal states.
-  /// 4) The timestamp pointers are optional.
+  // This function replaces calls to cmApBufGet() and implements pass-through and output 
+  // buffer zeroing: 
+  // 
+  // 1) cmApBufGet(in);
+  // 2) cmApBufGet(out);
+  // 3) Copy through channels marked for 'pass' and set the associated oBufArray[i] channel to NULL.
+  // 4) Zero all other enabled output channels.
+  //
+  // Notes:
+  // 1) The oBufArray[] channels that are disabled or marked for pass-through will 
+  // be set to NULL.
+  // 2) The client is required to use this function to implement pass-through internally.
+  // 3) This function just returns audio information it does not
+  // change any cmApBuf() internal states.
+  // 4) The timestamp pointers are optional.
   void cmApBufGetIO(   unsigned iDevIdx, cmApSample_t* iBufArray[], unsigned iBufChCnt, cmTimeSpec_t* iTimeStampPtr, 
                        unsigned oDevIdx, cmApSample_t* oBufArray[], unsigned oBufChCnt, cmTimeSpec_t* oTimeStampPtr );
 
 
-  /// The application calls this function each time it completes processing of a bufArray[]
-  /// returned from cmApBufGet(). 'flags' can be set to either or both kInApFl and kOutApFl.
-  /// This function should only be called from the client thread.
+  // The application calls this function each time it completes processing of a bufArray[]
+  // returned from cmApBufGet(). 'flags' can be set to either or both kInApFl and kOutApFl.
+  // This function should only be called from the client thread.
   void cmApBufAdvance( unsigned devIdx, unsigned flags );
 
-    /// Copy all available samples incoming samples from an input device to an output device.
-  /// The source code for this example is a good example of how an application should use cmApBufGet()
-  /// and cmApBufAdvance().
+    // Copy all available samples incoming samples from an input device to an output device.
+  // The source code for this example is a good example of how an application should use cmApBufGet()
+  // and cmApBufAdvance().
   void cmApBufInputToOutput( unsigned inDevIdx, unsigned outDevIdx );
 
-  /// Print the current buffer state.
+  // Print the current buffer state.
   void cmApBufReport( cmRpt_t* rpt );
 
-  /// Run a buffer usage simulation to test the class. cmAudioPortTest.c calls this function.
+  // Run a buffer usage simulation to test the class. cmAudioPortTest.c calls this function.
   void cmApBufTest( cmRpt_t* rpt );
 
-
+  //)
 
 
 #ifdef __cplusplus

cmArray.h

@@ -5,6 +5,8 @@
 extern "C" {
 #endif
 
+  //( { file_desc: "Dynamic array container class." kw:[container] }
+  
 enum
 {
   kOkArRC = cmOkRC,
@@ -55,6 +57,8 @@ enum
   // Zero elements i:i+n-1
 #define cmArrayClrN(t,h,i,n) ((t*)cmArraySet(h,i,NULL,n))
 
+  //)
+  
 #ifdef __cplusplus
 }
 #endif

cmAudDsp.c

@@ -30,7 +30,7 @@
 #include "dsp/cmDspClass.h"
 #include "dsp/cmDspSys.h"
 #include "cmAudDsp.h"
-
+#include "cmDspPgmJsonToDot.h"
 
 cmAdH_t cmAdNullHandle = cmSTATIC_NULL_HANDLE;
 
@@ -1005,6 +1005,11 @@ cmAdRC_t _cmAudDspPrintPgm( cmAd_t* p, unsigned asSubSysIdx, const cmChar_t* fn
     {
       if( cmDspSysPrintPgm(p->dsSsArray[i].dsH,fn) != kOkDspRC )
         rc = cmErrMsg(&p->err,kDspSysFailAdRC,"The program print failed.");
+      else
+      {
+        if( cmDspPgmJsonToDot(&p->ctx,fn,fn) != kOkDspRC )
+          rc = cmErrMsg(&p->err,kDspSysFailAdRC,"The program print conversion to DOT failed.");
+      }
       
       break;
     }

cmAudDsp.h

@@ -5,8 +5,7 @@
 extern "C" {
 #endif
 
-  // This API supports a serialized interface to an internal instance of 
-  // cmAudioSys and cmDspSys.  
+  //( { file_desc: "Supports a serialized interface to an internal instance of  cmAudioSys and cmDspSys." kw:[rt]}
 
   enum
   {
@@ -50,6 +49,8 @@ extern "C" {
   // client program to the aud_dsp system.
   cmAdRC_t cmAudDspReceiveClientMsg( cmAdH_t h, unsigned msgBytecnt, const void* msg );
   
+  //)
+  
 
 #ifdef __cplusplus
   }

cmAudDspIF.h

@@ -5,10 +5,24 @@
 extern "C" {
 #endif
 
+  //( { file_desc: "Virtual interface to the audio DSP system." kw:[rt]}
+  //
+  // This class provides a two-way interface to the audio DSP system.
+  // It is designed to work independenty of the physical
+  // method of communication.  For example, when used by
+  // cmAudDspLocal, it  supports in memory transfer of messages
+  // between the application and the audio-DSP engine.
+  // Another implementation however could use it to support
+  // a networked communication scheme to a remote audio-DSP
+  // system.  Note that in either case, however, this class
+  // resides with, and is linked to, the application, and not
+  // the engine.  
+  
   // This API has two basic responsibilities:
   //
   // 1) Provides a function based interface to the audio DSP system for the
-  // client application.
+  // client application.  This is more convenient, and safer, than the lower level
+  // message based interface provided by cmAudDsp.h.
   //    The client calls these API functions to send commands to the audio DSP
   //    system. Internally the cmAdIfxxx functions converts the commands to 
   //    raw message packets and passes them to a transmission service
@@ -29,9 +43,9 @@ extern "C" {
   //    client provided cmAdIfDispatch_t function (ssInitFunc,statusFunc or uiFunc).
   //    Note that this entire chain of calls occurs in the client thread
   //    and in the context of the cmAdIfDispatchMsgToHost() procedure.
-                         
-  
+  //)
 
+  //(
   enum
   {
     kOkAiRC = cmOkRC,
@@ -163,7 +177,8 @@ extern "C" {
                               
    */
 
-
+  //)
+  
 #ifdef __cplusplus
 }
 #endif

cmAudDspLocal.h

@@ -5,6 +5,20 @@
 extern "C" {
 #endif
 
+  //( { file_desc: "Implementation of the audio DSP interface for local, in-memory, communication." kw:[rt]}
+  //
+  //  This class instantiates an audio-DSP engine (cmAudDsp),
+  //  an interface for communicating with it (cmAudDspIF),
+  //  and message delivery functions for copying messages
+  //  in both directions between cmAuDsp and cmAudDspIF.
+  //
+  //  Note that the underlying inteface which allows an application to
+  //  control, and receive message from, cmAudDsp is provided by
+  //  cmAudDspIF - which this class provides a handle to.
+  //)  
+
+  //(
+  
   enum
   {
     kOkAdlRC = cmOkRC,
@@ -32,6 +46,7 @@ extern "C" {
 
   cmAiH_t   cmAudDspLocalIF_Handle( cmAdlH_t h );
   
+  //)
 
 #ifdef __cplusplus
 }

cmAudLabelFile.h

@@ -5,6 +5,8 @@
 extern "C" {
 #endif
 
+  //( { file_desc:"Read and write Audacity label files." kw:[audio file] }
+  
 enum
 {
   kOkAlfRC = cmOkRC,
@@ -43,6 +45,8 @@ enum
   
   void cmAudLabelFileTest( cmCtx_t* ctx );
 
+  //)
+  
 #ifdef __cplusplus
 }
 #endif

cmAudioAggDev.h

@@ -5,6 +5,8 @@
 extern "C" {
 #endif
 
+  //( { file_desc: "Audio device driver for cmAudioPort which aggregates multiple hardware devices to appear as a single devices." kw:[rt] }
+  
   enum
   {
     kOkAgRC = cmOkRC,
@@ -95,7 +97,8 @@ extern "C" {
 
   int cmApAggTest(  bool runFl, cmCtx_t* ctx, int argc, const char* argv[] );
 
-
+  //)
+  
 #ifdef __cplusplus
 }
 #endif

cmAudioBuf.h

@@ -5,6 +5,8 @@
 extern "C" {
 #endif
 
+  //( {file_desc: "Obsolete audio buffer class. This class is superceded by cmApBuf."}
+  
   enum
   {
     kOkBaRC = cmOkRC
@@ -53,7 +55,7 @@ extern "C" {
 
   cmBaRC_t cmAudioBufAdvance( unsigned devIdx, unsigned flags );
 
-
+  //)
 
 
 #ifdef __cplusplus

cmAudioFile.h

@@ -1,13 +1,9 @@
-/// \file cmAudioFile.h
-/// \brief Audio file reader/writer class.
-///
-/// This class supports reading uncompressed AIFF and WAV files and writing uncompressed AIFF files.
-///  The reading and writing routines are known to work with 8,16,24, and 32 bit integer sample formats.
-///
-/// Testing and example usage for this API can be found in cmProcTest.c cmAudioReadWriteTest().
-///
-/// Usage example:
-/// \snippet cmAudioFile.c cmAudioFileExample
+//( { file_desc: "Read and write AIFF and WAV audio files." kw:[file audio] }
+//
+// This class supports reading uncompressed AIFF and WAV files and writing uncompressed AIFF files.
+//  The reading and writing routines are known to work with 8,16,24, and 32 bit integer sample formats.
+//
+//)
 
 #ifndef cmAudioFile_h
 #define cmAudioFile_h
@@ -16,15 +12,17 @@
 extern "C" {
 #endif
 
+  //(
+  
 #ifndef cmAudioFile_MAX_FRAME_READ_CNT
-/// Maximum number of samples which will be read in one call to fread().
-/// This value is only significant in that an internal buffer is created on the stack
-/// whose size must be limited to prevent stack overflows.
+  // Maximum number of samples which will be read in one call to fread().
+  // This value is only significant in that an internal buffer is created on the stack
+  // whose size must be limited to prevent stack overflows.
 #define cmAudioFile_MAX_FRAME_READ_CNT (8192) 
 #endif
 
 
-  /// Audio file result codes.
+  // Audio file result codes.
   enum
   {
     kOkAfRC = 0,
@@ -41,18 +39,18 @@ extern "C" {
     kUnknownErrAfRC
   };
 
-  /// Informational flags used by audioFileInfo
+  // Informational flags used by audioFileInfo
   enum
   {
-    kAiffAfFl        = 0x01,    ///< this is an AIFF file 
-    kWavAfFl         = 0x02,    ///< this is a WAV file 
-    kSwapAfFl        = 0x04,    ///< file header bytes must be swapped
-    kAifcAfFl        = 0x08,    ///< this is an AIFC file
-    kSwapSamplesAfFl = 0x10     ///< file sample bytes must be swapped
+    kAiffAfFl        = 0x01,    // this is an AIFF file 
+    kWavAfFl         = 0x02,    // this is a WAV file 
+    kSwapAfFl        = 0x04,    // file header bytes must be swapped
+    kAifcAfFl        = 0x08,    // this is an AIFC file
+    kSwapSamplesAfFl = 0x10     // file sample bytes must be swapped
   };
 
 
-  /// Constants
+  // Constants
   enum
   {
     kAudioFileLabelCharCnt = 256,
@@ -64,7 +62,7 @@ extern "C" {
     kAfBextOriginTimeN = 8
   };
 
-  /// Aiff marker record
+  // Aiff marker record
   typedef struct
   {
     unsigned    id;
@@ -72,9 +70,9 @@ extern "C" {
     char        label[kAudioFileLabelCharCnt];
   } cmAudioFileMarker_t;
 
-  /// Broadcast WAV header record As used by ProTools audio files. See http://en.wikipedia.org/wiki/Broadcast_Wave_Format
-  /// When generated from Protools the timeRefLow/timeRefHigh values appear to actually refer
-  /// to the position on the Protools time-line rather than the wall clock time.
+  // Broadcast WAV header record As used by ProTools audio files. See http://en.wikipedia.org/wiki/Broadcast_Wave_Format
+  // When generated from Protools the timeRefLow/timeRefHigh values appear to actually refer
+  // to the position on the Protools time-line rather than the wall clock time.
   typedef struct
   {
     char     desc[      kAfBextDescN       + 1 ];
@@ -86,102 +84,103 @@ extern "C" {
     unsigned timeRefHigh;  // sample count since midnight high word
   } cmAudioFileBext_t;
 
-  /// Audio file information record used by audioFileNew and audioFileOpen
+  // Audio file information record used by audioFileNew and audioFileOpen
   typedef struct 
   {
-    unsigned             bits;        ///< bits per sample
-    unsigned             chCnt;       ///< count of audio file channels
-    double               srate;       ///< audio file sample rate in samples per second
-    unsigned             frameCnt;    ///< total number of sample frames in the audio file
-    unsigned             flags;       ///< informational flags 
-    unsigned             markerCnt;   ///< count of markers in markerArray
-    cmAudioFileMarker_t* markerArray; ///< array of markers 
-    cmAudioFileBext_t    bextRecd;    ///< only used with Broadcast WAV files
+    unsigned             bits;        // bits per sample
+    unsigned             chCnt;       // count of audio file channels
+    double               srate;       // audio file sample rate in samples per second
+    unsigned             frameCnt;    // total number of sample frames in the audio file
+    unsigned             flags;       // informational flags 
+    unsigned             markerCnt;   // count of markers in markerArray
+    cmAudioFileMarker_t* markerArray; // array of markers 
+    cmAudioFileBext_t    bextRecd;    // only used with Broadcast WAV files
   } cmAudioFileInfo_t;
 
 
   
-  typedef cmHandle_t cmAudioFileH_t;    ///< opaque audio file handle   
-  extern cmAudioFileH_t cmNullAudioFileH;  ///< NULL audio file handle
-
-  /// Create an audio file handle and optionally use the handle to open an audio file.
-  ///
-  /// \param  fn         The audio file name to open or NULL to create the audio file handle without opening the file.
-  /// \param  infoPtr    A pointer to an audioFileInfo record to be filled when the file is open or NULL to ignore.
-  /// \param  rcPtr      A pointer to a result code to be set in the event of a runtime error or NULL to ignore.
-  /// \param  rpt        A pointer to a cmRpt_t object which error messages from this class will be directed to.
-  /// \retval cmAudioFileH_t A new audio file handle.
-  ///
+  typedef cmHandle_t cmAudioFileH_t;    // opaque audio file handle   
+  extern cmAudioFileH_t cmNullAudioFileH;  // NULL audio file handle
+
+  // Create an audio file handle and optionally use the handle to open an audio file.
+  //
+  //   fn         The audio file name to open or NULL to create the audio file handle without opening the file.
+  //   infoPtr    A pointer to an audioFileInfo record to be filled when the file is open or NULL to ignore.
+  //   rcPtr      A pointer to a result code to be set in the event of a runtime error or NULL to ignore.
+  //   rpt        A pointer to a cmRpt_t object which error messages from this class will be directed to.
+  //  Returns  cmAudioFileH_t A new audio file handle.
+  //
   cmAudioFileH_t cmAudioFileNewOpen( const cmChar_t* fn, cmAudioFileInfo_t* infoPtr, cmRC_t* rcPtr, cmRpt_t* rpt ); 
 
-  /// Open an audio file for writing
+  // Open an audio file for writing
   cmAudioFileH_t cmAudioFileNewCreate( const cmChar_t* fn, double srate, unsigned bits, unsigned chCnt, cmRC_t* rcPtr, cmRpt_t* rpt );
 
 
-  /// Open an audio file for reading using a handle returned from an earlier call to audioFileNewXXX().
-  ///
-  /// \param  h          A file handle returned from and earlier call to cmAudioFileNewOpen() or cmAudioFileNewCreate().
-  /// \param  fn         The audio file name to open or NULL to create the audio file handle without opening the file.
-  /// \param  infoPtr    A pointer to an audioFileInfo record to be filled when the file is open or NULL to ignore.
-  /// \retval Returns an cmRC_t value indicating the success (kOkAfRC) or failure of the call.
-  ///
-  /// If the audio file handle 'h' refers to an open file then it is automatically closed prior to being
-  /// reopened with the new file.
+  // Open an audio file for reading using a handle returned from an earlier call to audioFileNewXXX().
+  //
+  //   h          A file handle returned from and earlier call to cmAudioFileNewOpen() or cmAudioFileNewCreate().
+  //   fn         The audio file name to open or NULL to create the audio file handle without opening the file.
+  //   infoPtr    A pointer to an audioFileInfo record to be filled when the file is open or NULL to ignore.
+  // Returns an cmRC_t value indicating the success (kOkAfRC) or failure of the call.
+  //
+  // If the audio file handle 'h' refers to an open file then it is automatically closed prior to being
+  // reopened with the new file.
   cmRC_t     cmAudioFileOpen(       cmAudioFileH_t h, const cmChar_t* fn, cmAudioFileInfo_t* infoPtr );
 
-  /// Open an audio file for writing.  The type of the audio file, AIF or WAV
-  /// is determined by the file name extension.
+  // Open an audio file for writing.  The type of the audio file, AIF or WAV
+  // is determined by the file name extension.
   cmRC_t     cmAudioFileCreate(     
-    cmAudioFileH_t h,    ///< Handle returned from an earlier call to cmAudioFileNewCreate() or cmAudioFileNewOpen().
-    const cmChar_t* fn,  ///< File name of the new file.
-    double srate,        ///< Sample rate of the new file.
-    unsigned bits,       ///< Sample word width for the new file in bits (must be 8,16,24 or 32).
-    unsigned chCnt       ///< Audio channel count for the new file.
+    cmAudioFileH_t h,    // Handle returned from an earlier call to cmAudioFileNewCreate() or cmAudioFileNewOpen().
+    const cmChar_t* fn,  // File name of the new file.
+    double srate,        // Sample rate of the new file.
+    unsigned bits,       // Sample word width for the new file in bits (must be 8,16,24 or 32).
+    unsigned chCnt       // Audio channel count for the new file.
                                     );
 
-  /// Close a the file associated with handle 'h' but do not release the handle.
-  /// If the file was opened for writing (cmAudioFileCreate()) then this function will
-  /// write the file header prior to closing the file.
+  // Close a the file associated with handle 'h' but do not release the handle.
+  // If the file was opened for writing (cmAudioFileCreate()) then this function will
+  // write the file header prior to closing the file.
   cmRC_t     cmAudioFileClose(      cmAudioFileH_t* h );
 
-  /// Close the file associated with handle 'h' (via an internal call to 
-  /// cmAudioFileClose()) and release the handle and any resources
-  /// associated with it.  This is the complement to cmAudioFileOpen/Create().
+  // Close the file associated with handle 'h' (via an internal call to 
+  // cmAudioFileClose()) and release the handle and any resources
+  // associated with it.  This is the complement to cmAudioFileOpen/Create().
   cmRC_t     cmAudioFileDelete(     cmAudioFileH_t* h );
 
-  /// Return true if the handle is not closed or deleted.
+  // Return true if the handle is not closed or deleted.
   bool       cmAudioFileIsValid(    cmAudioFileH_t h );
 
-  /// Return true if the handle is open.
+  // Return true if the handle is open.
   bool       cmAudioFileIsOpen(     cmAudioFileH_t h );
 
-  /// Return true if the current file position is at the end of the file.
+  // Return true if the current file position is at the end of the file.
   bool       cmAudioFileIsEOF(      cmAudioFileH_t h );
 
-  /// Return the current file position as a frame index.
+  // Return the current file position as a frame index.
   unsigned   cmAudioFileTell(       cmAudioFileH_t h );
 
-  /// Set the current file position as an offset from the first frame.
+  // Set the current file position as an offset from the first frame.
   cmRC_t     cmAudioFileSeek(       cmAudioFileH_t h, unsigned frmIdx );
 
-  /// \name Sample Reading Functions.
-  ///@{
-  /// Fill a user suppled buffer with up to frmCnt samples.
-  /// If less than frmCnt samples are available at the specified audio file location then the unused
-  /// buffer space is set to zero. Check *actualFrmCntPtr for the count of samples actually available
-  /// in the return buffer.  Functions which do not include a begFrmIdx argument begin reading from
-  /// the current file location (see cmAudioFileSeek()). The buf argument is always a pointer to an
-  /// array of pointers of length chCnt.  Each channel buffer specified in buf[] must contain at least
-  /// frmCnt samples.
-  ///
-  /// \param h               An audio file handle returned from an earlier call to audioFileNew()
-  /// \param fn              The name of the audio file to read.
-  /// \param begFrmIdx       The frame index of the first sample to read. Functions that do not use this parameter begin reading at the current file location (See cmAudioFileTell()).
-  /// \param frmCnt          The number of samples allocated in buf.
-  /// \param chIdx           The index of the first channel to read.
-  /// \param chCnt           The count of channels to read.
-  /// \param buf             An array containing chCnt pointers to arrays of frmCnt samples.
-  /// \param actualFrmCntPtr The number of frames actually written to the return buffer (ignored if NULL)
+  // Sample Reading Functions.
+  //
+  // Fill a user suppled buffer with up to frmCnt samples.
+  // If less than frmCnt samples are available at the specified audio file location then the unused
+  // buffer space is set to zero. Check *actualFrmCntPtr for the count of samples actually available
+  // in the return buffer.  Functions which do not include a begFrmIdx argument begin reading from
+  // the current file location (see cmAudioFileSeek()). The buf argument is always a pointer to an
+  // array of pointers of length chCnt.  Each channel buffer specified in buf[] must contain at least
+  // frmCnt samples.
+  //
+  // 
+  //  h               An audio file handle returned from an earlier call to audioFileNew()
+  //  fn              The name of the audio file to read.
+  //  begFrmIdx       The frame index of the first sample to read. Functions that do not use this parameter begin reading at the current file location (See cmAudioFileTell()).
+  //  frmCnt          The number of samples allocated in buf.
+  //  chIdx           The index of the first channel to read.
+  //  chCnt           The count of channels to read.
+  //  buf             An array containing chCnt pointers to arrays of frmCnt samples.
+  //  actualFrmCntPtr The number of frames actually written to the return buffer (ignored if NULL)
 
   cmRC_t     cmAudioFileReadInt(    cmAudioFileH_t h, unsigned frmCnt, unsigned chIdx, unsigned chCnt, int**    buf, unsigned* actualFrmCntPtr );
   cmRC_t     cmAudioFileReadFloat(  cmAudioFileH_t h, unsigned frmCnt, unsigned chIdx, unsigned chCnt, float**  buf, unsigned* actualFrmCntPtr );
@@ -191,10 +190,7 @@ extern "C" {
   cmRC_t     cmAudioFileGetFloat(  const char* fn, unsigned begFrmIdx, unsigned frmCnt, unsigned chIdx, unsigned chCnt, float**  buf, unsigned* actualFrmCntPtr, cmAudioFileInfo_t* afInfoPtr, cmRpt_t* rpt );
   cmRC_t     cmAudioFileGetDouble( const char* fn, unsigned begFrmIdx, unsigned frmCnt, unsigned chIdx, unsigned chCnt, double** buf, unsigned* actualFrmCntPtr, cmAudioFileInfo_t* afInfoPtr, cmRpt_t* rpt );
 
-  ///@}
-
-  /// \name Sum the returned samples into the output buffer.
-  ///@{
+  // Sum the returned samples into the output buffer.
   cmRC_t     cmAudioFileReadSumInt(    cmAudioFileH_t h, unsigned frmCnt, unsigned chIdx, unsigned chCnt, int**    buf, unsigned* actualFrmCntPtr );
   cmRC_t     cmAudioFileReadSumFloat(  cmAudioFileH_t h, unsigned frmCnt, unsigned chIdx, unsigned chCnt, float**  buf, unsigned* actualFrmCntPtr );
   cmRC_t     cmAudioFileReadSumDouble( cmAudioFileH_t h, unsigned frmCnt, unsigned chIdx, unsigned chCnt, double** buf, unsigned* actualFrmCntPtr );
@@ -202,12 +198,8 @@ extern "C" {
   cmRC_t     cmAudioFileGetSumInt(    const char* fn, unsigned begFrmIdx, unsigned frmCnt, unsigned chIdx, unsigned chCnt, int**    buf, unsigned* actualFrmCntPtr, cmAudioFileInfo_t* afInfoPtr, cmRpt_t* rpt );
   cmRC_t     cmAudioFileGetSumFloat(  const char* fn, unsigned begFrmIdx, unsigned frmCnt, unsigned chIdx, unsigned chCnt, float**  buf, unsigned* actualFrmCntPtr, cmAudioFileInfo_t* afInfoPtr, cmRpt_t* rpt );
   cmRC_t     cmAudioFileGetSumDouble( const char* fn, unsigned begFrmIdx, unsigned frmCnt, unsigned chIdx, unsigned chCnt, double** buf, unsigned* actualFrmCntPtr, cmAudioFileInfo_t* afInfoPtr, cmRpt_t* rpt );
-  ///@}
-
-  ///@}
 
-  /// \name Sample Writing Functions
-  ///@{
+  // Sample Writing Functions
   cmRC_t    cmAudioFileWriteInt(    cmAudioFileH_t h, unsigned frmCnt, unsigned chCnt, int**    bufPtrPtr );
   cmRC_t    cmAudioFileWriteFloat(  cmAudioFileH_t h, unsigned frmCnt, unsigned chCnt, float**  bufPtrPtr );
   cmRC_t    cmAudioFileWriteDouble( cmAudioFileH_t h, unsigned frmCnt, unsigned chCnt, double** bufPtrPtr );
@@ -215,14 +207,11 @@ extern "C" {
   cmRC_t    cmAudioFileWriteFileInt(    const char* fn, double srate, unsigned bit, unsigned frmCnt, unsigned chCnt, int**    bufPtrPtr, cmRpt_t* rpt );
   cmRC_t    cmAudioFileWriteFileFloat(  const char* fn, double srate, unsigned bit, unsigned frmCnt, unsigned chCnt, float**  bufPtrPtr, cmRpt_t* rpt );
   cmRC_t    cmAudioFileWriteFileDouble( const char* fn, double srate, unsigned bit, unsigned frmCnt, unsigned chCnt, double** bufPtrPtr, cmRpt_t* rpt );
-  ///@}
 
 
 
-  /// \name cmSample_t and cmReal_t Alias Macros
-  ///@{
-  /// Alias the cmSample_t and cmReal_t sample reading and writing functions to the appropriate
-  /// type based on #CM_FLOAT_SMP and #CM_FLOAT_REAL.
+  // Alias the cmSample_t and cmReal_t sample reading and writing functions to the appropriate
+  // type based on #CM_FLOAT_SMP and #CM_FLOAT_REAL.
 
 #if CM_FLOAT_SMP == 1
 
@@ -263,51 +252,44 @@ extern "C" {
 #define cmAudioFileWriteFileReal cmAudioFileWriteFileDouble
 
 #endif
-  ///@}
 
 
-  /// \name Minimum, Maximum, Mean
-  ///@{
-  /// Scan an entire audio file and return the minimum, maximum and mean sample value.
-  /// On error *minPtr, *maxPtr, and *meanPtr are set to -acSample_MAX, cmSample_MAX, and 0 respectively
+  // Scan an entire audio file and return the minimum, maximum and mean sample value.
+  // On error *minPtr, *maxPtr, and *meanPtr are set to -acSample_MAX, cmSample_MAX, and 0 respectively
   cmRC_t     cmAudioFileMinMaxMean( cmAudioFileH_t h, unsigned chIdx, cmSample_t* minPtr, cmSample_t* maxPtr, cmSample_t* meanPtr );
   cmRC_t     cmAudioFileMinMaxMeanFn( const cmChar_t* fn, unsigned chIdx, cmSample_t* minPtr, cmSample_t* maxPtr, cmSample_t* meanPtr, cmRpt_t* rpt );
-  ///@}
 
-  /// Return the file name associated with a audio file handle.
+  // Return the file name associated with a audio file handle.
   const cmChar_t* cmAudioFileName( cmAudioFileH_t h );
 
-  /// Given an error code return the associated message.
+  // Given an error code return the associated message.
   const char* cmAudioFileErrorMsg( unsigned rc );
 
-  /// \name Get information about an audio file
-  ///@{
-
-  /// Return the cmAudioFileInfo_t record associated with a file.
+  // Return the cmAudioFileInfo_t record associated with a file.
   cmRC_t     cmAudioFileGetInfo(   const cmChar_t* fn, cmAudioFileInfo_t* infoPtr, cmRpt_t* rpt );
   
-  /// Print the cmAudioFileInfo_t to a file.
+  // Print the cmAudioFileInfo_t to a file.
   void       cmAudioFilePrintInfo( const cmAudioFileInfo_t* infoPtr, cmRpt_t* );
 
-  /// Print the file header information and frmCnt sample values beginning at frame index frmIdx.
+  // Print the file header information and frmCnt sample values beginning at frame index frmIdx.
   cmRC_t     cmAudioFileReport(   cmAudioFileH_t h,  cmRpt_t* rpt, unsigned frmIdx, unsigned frmCnt );
 
-    /// Print the file header information and  frmCnt sample values beginning at frame index frmIdx.
+  // Print the file header information and  frmCnt sample values beginning at frame index frmIdx.
   cmRC_t     cmAudioFileReportFn( const cmChar_t* fn, unsigned frmIdx, unsigned frmCnt, cmRpt_t* rpt );
-  ///@}
 
-  /// Change the sample rate value in the header.  Note that this function does not resample the audio
-  /// signal it simply changes the value of the sample rate in the header.
+  // Change the sample rate value in the header.  Note that this function does not resample the audio
+  // signal it simply changes the value of the sample rate in the header.
   cmRC_t     cmAudioFileSetSrate( const cmChar_t* audioFn, unsigned srate );
 
   // Generate a sine tone and write it to a file.
   cmRC_t     cmAudioFileSine( cmCtx_t* ctx, const cmChar_t* fn, double srate, unsigned bits, double hz, double gain, double secs );
 
 
-  /// Testing and example routine for functions in cmAudioFile.h.
-  /// Also see cmProcTest.c cmAudioFileReadWriteTest()
+  // Testing and example routine for functions in cmAudioFile.h.
+  // Also see cmProcTest.c cmAudioFileReadWriteTest()
   void       cmAudioFileTest( cmCtx_t* ctx, int argc, const char* argv[] );
-
+  
+  //)
   
 #ifdef __cplusplus
 }

cmAudioFileDev.h

@@ -1,6 +1,11 @@
 #ifndef cmAudioFileDev_h
 #define cmAudioFileDev_h
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+//( { file_desc:"Implements cmAudioFileDev for reading and writing audio files under control of cmAudioPort.", kw:[audio file rt]}
 enum
 {
   kOkAfdRC = cmOkRC,
@@ -72,4 +77,10 @@ void      cmAudioFileDevReport( cmAfdH_t h, cmRpt_t* rpt );
 
 void      cmAudioFileDevTest( cmRpt_t* rpt );
 
+//)
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif

cmAudioFileMgr.h

@@ -4,6 +4,9 @@
 #ifdef __cplusplus
 extern "C" {
 #endif
+
+  //( { file_desc:"Manages a collection of audio files and maintains downsampled copies of their signals." kw:[audio file] }
+  
   enum
   {
     kOkAfmRC = cmOkRC,
@@ -56,7 +59,7 @@ extern "C" {
   bool         cmAfmIsValid( cmAfmH_t h );
   cmAfmFileH_t cmAfmIdToHandle( cmAfmH_t h, unsigned fileId );
 
-    
+  //)  
 
 
 #ifdef __cplusplus

cmAudioNrtDev.h

@@ -5,6 +5,8 @@
 extern "C" {
 #endif
 
+  //( { file_desc:"Audio device driver which generates the callbacks to run cmAudioPort in a non-real time mode." kw:[audio rt]}
+  
   cmApRC_t cmApNrtAllocate( cmRpt_t* rpt );
 
   cmApRC_t cmApNrtFree();
@@ -57,7 +59,8 @@ extern "C" {
   /// Return true if the device is currently started.
   bool          cmApNrtDeviceIsStarted( unsigned devIdx );
 
-
+  //)
+  
 #ifdef __cplusplus
 }
 #endif

cmAudioPort.h

@@ -1,27 +1,24 @@
-/// \file cmAudioPort.h
-/// \brief Cross platform audio I/O interface.
-///
-/// This interface provides data declarations for platform dependent 
-/// audio I/O functions. The implementation for the functions are
-/// in platform specific modules. See cmAudioPortOsx.c and cmAudioPortAlsa.c.
-///
-/// ALSA Notes:  
-/// Assign capture device to line or mic input:
-/// amixer -c 0 cset iface=MIXER,name='Input Source',index=0 Mic
-/// amixer -c 0 cset iface=MIXER,name='Input Source',index=0 Line
-///
-/// -c 0                            select the first card
-/// -iface=MIXER                    the cset is targetting the MIXER component
-/// -name='Input Source',index=0    the control to set is the first 'Input Source'
-/// Note that the 'Capture' control sets the input gain.
-///
-/// See alsamixer for a GUI to accomplish the same thing.
-///
-///
-/// Usage example and testing code:
-/// See cmApPortTest() and cmAudioSysTest().
-/// \snippet cmAudioPort.c cmAudioPortExample
-///
+//( { file_desc: "Cross platform audio device interface." kw:[audio rt] }
+//
+// This interface provides data declarations for platform dependent 
+// audio I/O functions. The implementation for the functions are
+// in platform specific modules. See cmAudioPortOsx.c and cmAudioPortAlsa.c.
+//
+// ALSA Notes:  
+// Assign capture device to line or mic input:
+// amixer -c 0 cset iface=MIXER,name='Input Source',index=0 Mic
+// amixer -c 0 cset iface=MIXER,name='Input Source',index=0 Line
+//
+// -c 0                            select the first card
+// -iface=MIXER                    the cset is targetting the MIXER component
+// -name='Input Source',index=0    the control to set is the first 'Input Source'
+// Note that the 'Capture' control sets the input gain.
+//
+// See alsamixer for a GUI to accomplish the same thing.
+//
+//
+//)
+
 #ifndef cmAudioPort_h
 #define cmAudioPort_h
 
@@ -29,8 +26,10 @@
 extern "C" {
 #endif
 
-  typedef unsigned cmApRC_t;      ///< Audio port interface result code.
-  typedef float    cmApSample_t;  ///< Audio sample type.
+  //(
+  
+  typedef unsigned cmApRC_t;      // Audio port interface result code.
+  typedef float    cmApSample_t;  // Audio sample type.
 
   enum 
   { 
@@ -45,81 +44,81 @@ extern "C" {
   // cmApAudioPacket_t flags
   enum
   {
-    kInterleavedApFl = 0x01,  ///< The audio samples are interleaved.
-    kFloatApFl       = 0x02   ///< The audio samples are single precision floating point values.
+    kInterleavedApFl = 0x01,  // The audio samples are interleaved.
+    kFloatApFl       = 0x02   // The audio samples are single precision floating point values.
   };
 
-  /// Audio packet record used by the cmApAudioPacket_t callback.
-  /// Audio ports send and receive audio using this data structure. 
+  // Audio packet record used by the cmApAudioPacket_t callback.
+  // Audio ports send and receive audio using this data structure. 
   typedef struct
   {
-    unsigned devIdx;         ///< device associated with packet
-    unsigned begChIdx;       ///< first device channel 
-    unsigned chCnt;          ///< count of channels
-    unsigned audioFramesCnt; ///< samples per channel (see note below)
-    unsigned bitsPerSample;  ///< bits per sample word
-    unsigned flags;          ///< kInterleavedApFl | kFloatApFl
-    void*    audioBytesPtr;  ///< pointer to sample data
-    void*    userCbPtr;      ///< user defined value passed in cmApDeviceSetup()
-    cmTimeSpec_t timeStamp;  ///< Packet time stamp.
+    unsigned devIdx;         // device associated with packet
+    unsigned begChIdx;       // first device channel 
+    unsigned chCnt;          // count of channels
+    unsigned audioFramesCnt; // samples per channel (see note below)
+    unsigned bitsPerSample;  // bits per sample word
+    unsigned flags;          // kInterleavedApFl | kFloatApFl
+    void*    audioBytesPtr;  // pointer to sample data
+    void*    userCbPtr;      // user defined value passed in cmApDeviceSetup()
+    cmTimeSpec_t timeStamp;  // Packet time stamp.
   }  cmApAudioPacket_t; 
 
 
-  /// Audio port callback signature. 
-  /// inPktArray[inPktCnt] are full packets of audio coming from the ADC to the application.
-  /// outPktArray[outPktCnt] are empty packets of audio which will be filled by the application 
-  /// and then sent to the DAC.
-  ///
-  /// The value of audioFrameCnt  gives the number of samples per channel which are available
-  /// in the packet data buffer 'audioBytesPtr'.  The callback function may decrease this number in
-  /// output packets if the number of samples available is less than the size of the buffer.
-  /// It is the responsibility of the calling audio port to notice this change and pass the new,
-  /// decreased number of samples to the hardware.
-  ///
-  /// In general it should be assmed that this call is made from a system thread which is not 
-  /// the same as the application thread.
-  /// The usual thread safety precautions should therefore be taken if this function implementation
-  /// interacts with data structures also handled by the application. The audio buffer class (\see cmApBuf.h) 
-  /// is designed to provide a safe and efficient way to communicate between
-  /// the audio thread and the application.
+  // Audio port callback signature. 
+  // inPktArray[inPktCnt] are full packets of audio coming from the ADC to the application.
+  // outPktArray[outPktCnt] are empty packets of audio which will be filled by the application 
+  // and then sent to the DAC.
+  //
+  // The value of audioFrameCnt  gives the number of samples per channel which are available
+  // in the packet data buffer 'audioBytesPtr'.  The callback function may decrease this number in
+  // output packets if the number of samples available is less than the size of the buffer.
+  // It is the responsibility of the calling audio port to notice this change and pass the new,
+  // decreased number of samples to the hardware.
+  //
+  // In general it should be assmed that this call is made from a system thread which is not 
+  // the same as the application thread.
+  // The usual thread safety precautions should therefore be taken if this function implementation
+  // interacts with data structures also handled by the application. The audio buffer class (\see cmApBuf.h) 
+  // is designed to provide a safe and efficient way to communicate between
+  // the audio thread and the application.
   typedef void (*cmApCallbackPtr_t)( cmApAudioPacket_t* inPktArray, unsigned inPktCnt, cmApAudioPacket_t* outPktArray, unsigned outPktCnt );
 
-  /// Setup the audio port management object for this machine.
+  // Setup the audio port management object for this machine.
   cmApRC_t      cmApInitialize( cmRpt_t* rpt );
 
-  /// Stop all audio devices and release any resources held 
-  /// by the audio port management object.
+  // Stop all audio devices and release any resources held 
+  // by the audio port management object.
   cmApRC_t      cmApFinalize();
 
-  /// Return the count of audio devices attached to this machine.
+  // Return the count of audio devices attached to this machine.
   unsigned      cmApDeviceCount();
 
-  /// Get a textual description of the device at index 'devIdx'.
+  // Get a textual description of the device at index 'devIdx'.
   const char*   cmApDeviceLabel(          unsigned devIdx );
 
-  /// Given an audio device label return the associated device index.
+  // Given an audio device label return the associated device index.
   unsigned      cmApDeviceLabelToIndex( const cmChar_t* label );
 
-  /// Get the count of audio input or output channesl on device at index 'devIdx'.
+  // Get the count of audio input or output channesl on device at index 'devIdx'.
   unsigned      cmApDeviceChannelCount(   unsigned devIdx, bool inputFl );
 
-  /// Get the current sample rate of a device.  Note that if the device has both
-  /// input and output capability then the sample rate is the same for both.
+  // Get the current sample rate of a device.  Note that if the device has both
+  // input and output capability then the sample rate is the same for both.
   double        cmApDeviceSampleRate(     unsigned devIdx );
 
-  /// Get the count of samples per callback for the input or output for this device.
+  // Get the count of samples per callback for the input or output for this device.
   unsigned      cmApDeviceFramesPerCycle( unsigned devIdx, bool inputFl );
 
-  /// Configure a device.  
-  /// All devices must be setup before they are started.
-  /// framesPerCycle is the requested number of samples per audio callback. The
-  /// actual number of samples made from a callback may be smaller. See the note
-  /// regarding this in cmApAudioPacket_t.
-  /// If the device cannot support the requested configuration then the function
-  /// will return an error code.
-  /// If the device is started when this function is called then it will be 
-  /// automatically stopped and then restarted following the reconfiguration.
-  /// If the reconfiguration fails then the device may not be restared.
+  // Configure a device.  
+  // All devices must be setup before they are started.
+  // framesPerCycle is the requested number of samples per audio callback. The
+  // actual number of samples made from a callback may be smaller. See the note
+  // regarding this in cmApAudioPacket_t.
+  // If the device cannot support the requested configuration then the function
+  // will return an error code.
+  // If the device is started when this function is called then it will be 
+  // automatically stopped and then restarted following the reconfiguration.
+  // If the reconfiguration fails then the device may not be restared.
   cmApRC_t      cmApDeviceSetup(          
     unsigned          devIdx, 
     double            srate, 
@@ -127,25 +126,26 @@ extern "C" {
     cmApCallbackPtr_t callbackPtr,
     void*             userCbPtr );
 
-  /// Start a device. Note that the callback may be made prior to this function returning.
+  // Start a device. Note that the callback may be made prior to this function returning.
   cmApRC_t      cmApDeviceStart( unsigned devIdx );
 
-  /// Stop a device.
+  // Stop a device.
   cmApRC_t      cmApDeviceStop(  unsigned devIdx );
 
-  /// Return true if the device is currently started.
+  // Return true if the device is currently started.
   bool          cmApDeviceIsStarted( unsigned devIdx );
 
-  /// Print a report of all the current audio device configurations.
+  // Print a report of all the current audio device configurations.
   void          cmApReport( cmRpt_t* rpt );
 
-  /// Test the audio port by synthesizing a sine signal or passing audio through
-  /// from the input to the output.  This is also a good example of how to 
-  /// use all of the functions in the interface.
-  /// Set runFl to false to print a report without starting any audio devices.
-  /// See cmAudiotPortTest.c for usage example for this function.
+  // Test the audio port by synthesizing a sine signal or passing audio through
+  // from the input to the output.  This is also a good example of how to 
+  // use all of the functions in the interface.
+  // Set runFl to false to print a report without starting any audio devices.
+  // See cmAudiotPortTest.c for usage example for this function.
   int           cmApPortTest(bool runFl, cmRpt_t* rpt, int argc, const char* argv[] );
 
+  //)
 #ifdef __cplusplus
 }
 #endif

cmAudioPortFile.h

@@ -5,6 +5,8 @@
 extern "C" {
 #endif
 
+  //( { file_desc:"This is an audio device driver for cmAudioPort which supports reading and writing audio files as though they are real-time devices." kw[audio file rt] } 
+  
   cmApRC_t      cmApFileAllocate( cmRpt_t* rpt );
   cmApRC_t      cmApFileFree();
 
@@ -41,6 +43,8 @@ extern "C" {
   void          cmApFileReport( cmRpt_t* rpt );
   void          cmApFileTest( cmRpt_t* rpt );
 
+  //)
+  
 #ifdef __cplusplus
 }
 #endif

cmAudioSys.h

@@ -1,5 +1,4 @@
-// cmAudioSys.h
-// Implements a real-time audio processing engine.
+//( { file_desc: "This is the kernel of a real-time audio processing engine." kw:[audio rt] }
 //
 // The audio system is composed a collection of independent sub-systems.
 // Each sub-system maintains a thread which runs asynchrounsly
@@ -49,9 +48,7 @@
 // delivered to the DSP procedure at the end of the DSP execution
 // procedure.
 //
-// Usage example and testing code:
-// See  cmAudioSysTest().
-// \snippet cmAudioSys.c cmAudioSysTest
+//)
 
 #ifndef cmAudioSys_h
 #define cmAudioSys_h
@@ -59,7 +56,8 @@
 #ifdef __cplusplus
 extern "C" {
 #endif
-
+  
+  //(
   // Audio system result codes
   enum
   {
@@ -296,7 +294,8 @@ extern "C" {
   // Audio system test and example function.
   void      cmAudioSysTest( cmRpt_t* rpt, int argc, const char* argv[] );
 
-
+  //)
+  
 
 #ifdef __cplusplus
 }

cmAudioSysMsg.h

@@ -5,6 +5,8 @@
 extern "C" {
 #endif
 
+  //( { file_desc:"Constrants and data structures used to communicate messages to and from cmAudioSys" kw:[audio real_time]}
+  
   /// Reserved DSP message selector id's (second field of all host<->audio system messages)
   enum
   {
@@ -112,7 +114,8 @@ extern "C" {
     
   } cmAudioSysStatus_t;
 
-
+  //)
+  
 #ifdef __cplusplus
 }
 #endif

cmComplexTypes.h

@@ -1,9 +1,15 @@
 #ifndef cmComplexTypes_h
 #define cmComplexTypes_h
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #include <complex.h>
 #include <fftw3.h>
 
+//( { file_desc: "Constants and functions used for working with complex values." kw:[base math] }
+
 #if CM_FLOAT_SMP == 1
 
 #define cmCabsS  cabsf
@@ -95,5 +101,10 @@ void cmVOCR_Abs(     cmSample_t*   y, const cmComplexR_t* x, unsigned n );
 void cmVOCR_MultVS(  cmComplexR_t* y, cmReal_t v, unsigned n );
 void cmVOCR_DivVS(   cmComplexR_t* y, cmReal_t v, unsigned n );
 
+//)
+
+#ifdef __cplusplus
+}
+#endif
 
 #endif

cmCsv.h

@@ -6,6 +6,8 @@
 extern "C" {
 #endif
 
+  //( { file_desc:"Comma seperated value file reader and writer." kw[file] }
+  
   enum
   {
     kOkCsvRC = 0,
@@ -146,6 +148,8 @@ extern "C" {
 
   cmCsvRC_t  cmCsvPrint( cmCsvH_t h, unsigned rowCnt );
 
+  //)
+  
 #ifdef __cplusplus
 }
 #endif

cmCtx.h

@@ -1,5 +1,6 @@
-//{ 
-//(
+ 
+//( { file_desc:"Global application context record." kw[base] }
+//
 // cmCtx_t is used to hold application supplied cmRpt_t, cmErr_t and
 // other global values for easy distribution throughtout a cm based application.
 //
@@ -44,8 +45,7 @@ extern "C" {
     unsigned         mmFlags      //  Initialization flags used to configure \ref cmMallocDebug.h
                    );
   //)
-  //}
-
+ 
 #ifdef __cplusplus
 }
 #endif

cmDList.h

@@ -6,6 +6,8 @@
 extern "C" {
 #endif
 
+  //( { file_desc:"Dynamic generic array with user programmable indexing and sorting capablity." kw:[container] }
+  
   enum
   {
     kOkDlRC = cmOkRC,
@@ -86,7 +88,7 @@ extern "C" {
   // which this iterator is attached to.
   const void* cmDListIterFind(      cmDListIterH_t  iH, const void* key, unsigned keyN, unsigned* recdByteNRef);
 
-
+  //) 
 #ifdef __cplusplus
 }
 #endif

cmDListTpl.h

@@ -1,4 +1,6 @@
 
+//( { file_desc:"Template 'include' code for using cmDList as a template." kw:[container] }
+
 // The following two macros must be defined prior to including this code:
 // #define cmSFX(a) a##_MySuffix
 // #define cmTYPE   My_Type 
@@ -117,6 +119,8 @@ const cmTYPE* cmSFX(cmDListIterFind)(      cmDListIterH_t  iH, const cmTYPE* key
 
 #endif // cmGEN_CODE
 
+//)
 
 #undef cmSFX
 #undef cmTYPE
+

cmData.h

@@ -5,6 +5,8 @@
 extern "C" {
 #endif
 
+  //( { file_desc:"Generic, introspective, data structure." }
+  
   /*
     TODO:
     0) Figure out an error handling scheme that does not rely on
@@ -688,7 +690,7 @@ extern "C" {
   void     cmDataPrint( const cmData_t* p, cmRpt_t* rpt );
   
   void     cmDataTest( cmCtx_t* ctx );
-
+  //)
 
 #ifdef __cplusplus
 }

cmDevCfg.h

@@ -4,6 +4,9 @@
 #ifdef __cplusplus
 extern "C" {
 #endif
+
+  //( { file_desc:"A class for managing persistent device configuration information." kw:[audio hardware] }
+  
   /*
     IMPLEMENTATION:
     1) A 'cfg' record is a device reference with a 'cfg label'.
@@ -210,7 +213,8 @@ extern "C" {
   // Set 'fn' to NULL to use filename from cmDevCfgAlloc()
   cmDcRC_t cmDevCfgWrite( cmDevCfgH_t h, const cmChar_t* fn );
   
-
+  //)
+  
 #ifdef __cplusplus
 }
 #endif

cmErr.h

@@ -1,5 +1,5 @@
-//{ 
-//(
+//( { file_desc:"Format error messages and track the last error generated." kw:[base]}
+//
 // This class is used to format error messages and track the last error generated.
 //
 // Most of the cmHandle_t based classes use cmErr_t to format error messages with a 
@@ -75,7 +75,6 @@ extern "C" {
   cmRC_t cmErrClearRC( cmErr_t* err );
    
   //)
-  //}
 
 #ifdef __cplusplus
 }

cmExec.h

@@ -6,6 +6,7 @@
 extern "C" {
 #endif
 
+  //( file_desc:"Run a child process via 'execvp()'" kw[system]
   enum
   {
     kOkExRC,
@@ -22,6 +23,8 @@ extern "C" {
   cmExRC_t cmExecV( cmErr_t* err, int* returnValRef, const cmChar_t* pgmFn, va_list vl );
   cmExRC_t cmExec(  cmErr_t* err, int* returnValRef, const cmChar_t* pgmFn, ... );  
 
+  //)
+  
 #ifdef __cplusplus
 }
 #endif

cmFeatFile.c

@@ -2106,7 +2106,7 @@ cmFtRC_t        cmFtReaderAdvance( cmFtFileH_t h, cmFtFrameDesc_t* fdp )
   {
     if( rc == kOkFtRC )
     {
-      fdp->smpIdx = frameDescPtr->time.sampleIdx;
+      fdp->smpIdx = frameDescPtr->tm.sampleIdx;
       fdp->frmIdx = cmFrameFileFrameLoadedIndex(fp->ffH);
     }
     else

cmFeatFile.h

@@ -1,7 +1,6 @@
-/// \file cmFeatFile.h
-/// \brief Audio file acoustic feature analyzer and accompanying file reader.
-///
-///
+//( { file_desc:" Audio file acoustic feature analyzer and accompanying file reader." kw:[audio analysis file]}
+//
+//
 
 #ifndef cmFeatFile_h
 #define cmFeatFile_h
@@ -12,7 +11,7 @@ extern "C" {
 
 
 
-  /// Result codes for all functions in cmFeatFile.h
+  // Result codes for all functions in cmFeatFile.h
   enum
   {
     kOkFtRC = cmOkRC,
@@ -36,241 +35,238 @@ extern "C" {
     kInvalidFrmIdxFtRC
   };
 
-  /// Feature Id's
+  // Feature Id's
   enum
   {
-    kInvalidFtId,     ///< 0  
-    kAmplFtId,        ///< 1 Fourier transform amplitude 
-    kDbAmplFtId,      ///< 2 Fourier transform decibel
-    kPowFtId,         ///< 3 Fourier transform power
-    kDbPowFtId,       ///< 4 Fourier transform power decibel
-    kPhaseFtId,       ///< 5 Fourier transform phase (not unwrapped)
-    kBfccFtId,        ///< 6 Bark Frequency Cepstral Coeffcients
-    kMfccFtId,        ///< 7 Mel Frequency Cepstral Coefficients
-    kCepsFtId,        ///< 8 Cepstral Coefficients
-    kConstQFtId,      ///< 9 Constant-Q transform
-    kLogConstQFtId,   ///< 10 Log Constant-Q transform
-    kRmsFtId,         ///< 11 Root means square of the audio signal
-    kDbRmsFtId,       ///< 12 RMS in decibels                         
-
-    kD1AmplFtId,      ///< 13 1st order difference over time of the Fourier transform amplitude              
-    kD1DbAmplFtId,    ///< 14 1st order difference over time of the Fourier transform decibel                
-    kD1PowFtId,       ///< 15 1st order difference over time of the Fourier transform power                  
-    kD1DbPowFtId,     ///< 16 1st order difference over time of the Fourier transform power decibel          
-    kD1PhaseFtId,     ///< 17 1st order difference over time of the Fourier transform phase (not unwrapped)  
-    kD1BfccFtId,      ///< 18 1st order difference over time of the Bark Frequency Cepstral Coeffcients      
-    kD1MfccFtId,      ///< 19 1st order difference over time of the Mel Frequency Cepstral Coefficients      
-    kD1CepsFtId,      ///< 20 1st order difference over time of the Cepstral Coefficients                    
-    kD1ConstQFtId,    ///< 21 1st order difference over time of the Constant-Q transform                     
-    kD1LogConstQFtId, ///< 22 1st order difference over time of the Log Constant-Q transform                
-    kD1RmsFtId,       ///< 23 1st order difference over time of the Root means square of the audio signal   
-    kD1DbRmsFtId,     ///< 24 1st order difference over time of the RMS in decibels                         
+    kInvalidFtId,     // 0  
+    kAmplFtId,        // 1 Fourier transform amplitude 
+    kDbAmplFtId,      // 2 Fourier transform decibel
+    kPowFtId,         // 3 Fourier transform power
+    kDbPowFtId,       // 4 Fourier transform power decibel
+    kPhaseFtId,       // 5 Fourier transform phase (not unwrapped)
+    kBfccFtId,        // 6 Bark Frequency Cepstral Coeffcients
+    kMfccFtId,        // 7 Mel Frequency Cepstral Coefficients
+    kCepsFtId,        // 8 Cepstral Coefficients
+    kConstQFtId,      // 9 Constant-Q transform
+    kLogConstQFtId,   // 10 Log Constant-Q transform
+    kRmsFtId,         // 11 Root means square of the audio signal
+    kDbRmsFtId,       // 12 RMS in decibels                         
+
+    kD1AmplFtId,      // 13 1st order difference over time of the Fourier transform amplitude              
+    kD1DbAmplFtId,    // 14 1st order difference over time of the Fourier transform decibel                
+    kD1PowFtId,       // 15 1st order difference over time of the Fourier transform power                  
+    kD1DbPowFtId,     // 16 1st order difference over time of the Fourier transform power decibel          
+    kD1PhaseFtId,     // 17 1st order difference over time of the Fourier transform phase (not unwrapped)  
+    kD1BfccFtId,      // 18 1st order difference over time of the Bark Frequency Cepstral Coeffcients      
+    kD1MfccFtId,      // 19 1st order difference over time of the Mel Frequency Cepstral Coefficients      
+    kD1CepsFtId,      // 20 1st order difference over time of the Cepstral Coefficients                    
+    kD1ConstQFtId,    // 21 1st order difference over time of the Constant-Q transform                     
+    kD1LogConstQFtId, // 22 1st order difference over time of the Log Constant-Q transform                
+    kD1RmsFtId,       // 23 1st order difference over time of the Root means square of the audio signal   
+    kD1DbRmsFtId,     // 24 1st order difference over time of the RMS in decibels                         
 
   };
 
-  /// User defined feature parameters
+  // User defined feature parameters
   typedef struct
   {
-    unsigned id;         ///< feature id
-    unsigned cnt;        ///< length of feature vector
-    bool     normFl;     ///< normalize this feature 
-    bool     enableFl;   ///< true if this feature is enabled
+    unsigned id;         // feature id
+    unsigned cnt;        // length of feature vector
+    bool     normFl;     // normalize this feature 
+    bool     enableFl;   // true if this feature is enabled
   } cmFtAttr_t;
 
 
-  /// Skip input audio range record
+  // Skip input audio range record
   typedef struct
   {
-    unsigned smpIdx;  ///< Index of first sample to skip
-    unsigned smpCnt;  ///< Count of successive samples to skip.
+    unsigned smpIdx;  // Index of first sample to skip
+    unsigned smpCnt;  // Count of successive samples to skip.
   } cmFtSkip_t;
 
 
-  /// Analysis parameters
+  // Analysis parameters
   typedef struct
   {
-    const char*        audioFn;               ///< Audio file name.
-    const char*        featFn;                ///< Feature file name.
-    unsigned           chIdx;                 ///< Audio file channel index
-    cmReal_t           wndMs;                 ///< Length of the analysis window in milliseconds.
-    unsigned           hopFact;               ///< Analysis window overlap factor 1 = 1:1 2=2:1 ...
-    bool               normAudioFl;           ///< Normalize the audio over the length of the audio file
-    cmMidiByte_t       constQMinPitch;        ///< Used to determine the base const-q octave.
-    cmMidiByte_t       constQMaxPitch;        ///< Used to determine the maximum const-q frequency of interest.
-    unsigned           constQBinsPerOctave;   ///< Bands per const-q octave.
-    unsigned           onsetMedFiltWndSmpCnt; ///< Complex onset median filter 
-    cmReal_t           onsetThreshold;        ///< Complex onset threshold
-    cmReal_t           minDb;                 ///< Fourier Transform magnitude values below minDb are set to minDb.
-    cmReal_t           floorThreshDb;         ///< Frames with an RMS below this value will be skipped
-    cmFtSkip_t*        skipArray;             ///< skipArray[skipCnt] user defined sample skip ranges
-    unsigned           skipCnt;               ///< Count of records in skipArray[].
-    cmFtAttr_t*        attrArray;             ///< attrArray[attrCnt] user defined parameter array
-    unsigned           attrCnt;               ///< Count of records in attrArray[].
+    const char*        audioFn;               // Audio file name.
+    const char*        featFn;                // Feature file name.
+    unsigned           chIdx;                 // Audio file channel index
+    cmReal_t           wndMs;                 // Length of the analysis window in milliseconds.
+    unsigned           hopFact;               // Analysis window overlap factor 1 = 1:1 2=2:1 ...
+    bool               normAudioFl;           // Normalize the audio over the length of the audio file
+    cmMidiByte_t       constQMinPitch;        // Used to determine the base const-q octave.
+    cmMidiByte_t       constQMaxPitch;        // Used to determine the maximum const-q frequency of interest.
+    unsigned           constQBinsPerOctave;   // Bands per const-q octave.
+    unsigned           onsetMedFiltWndSmpCnt; // Complex onset median filter 
+    cmReal_t           onsetThreshold;        // Complex onset threshold
+    cmReal_t           minDb;                 // Fourier Transform magnitude values below minDb are set to minDb.
+    cmReal_t           floorThreshDb;         // Frames with an RMS below this value will be skipped
+    cmFtSkip_t*        skipArray;             // skipArray[skipCnt] user defined sample skip ranges
+    unsigned           skipCnt;               // Count of records in skipArray[].
+    cmFtAttr_t*        attrArray;             // attrArray[attrCnt] user defined parameter array
+    unsigned           attrCnt;               // Count of records in attrArray[].
   } cmFtParam_t;
 
 
-  /// Feature summary information
+  // Feature summary information
   typedef struct 
   {
-    unsigned    id;   ///< feature id (same as associated cmFtAttr.id)
-    unsigned    cnt;  ///< length of each feature vector (same as associated cmFtAttr.cnt)
-
-    /// The raw feature summary values are calculated prior to normalization.
-    cmReal_t* rawMinV;  ///< Vector of min value over time for each feature element.
-    cmReal_t* rawMaxV;  ///< Vector of max value over time for each feature element.
-    cmReal_t* rawAvgV;  ///< Vector of avg value over time for each feature element.
-    cmReal_t* rawSdvV;  ///< Vector of standard deviation values over time for each feature element.
-    cmReal_t  rawMin;   ///< Min value of all values for this feature. Equivalent to min(rawMinV).
-    cmReal_t  rawMax;   ///< Max value of all values for this feature. Equivalent to max(rawMaxV).
-
-    /// normalized feature summary values
-    cmReal_t* normMinV; ///< Vector of min value over time for each feature element.
-    cmReal_t* normMaxV; ///< Vector of max value over time for each feature element.
-    cmReal_t* normAvgV; ///< Vector of avg value over time for each feature element.
-    cmReal_t* normSdvV; ///< Vector of standard deviation values over time for each feature element.
-    cmReal_t  normMin;  ///< Min value of all values for this feature. Equivalent to min(normMinV).
-    cmReal_t  normMax;  ///< Max value of all values for this feature. Equivalent to max(rawMaxV).
+    unsigned    id;   // feature id (same as associated cmFtAttr.id)
+    unsigned    cnt;  // length of each feature vector (same as associated cmFtAttr.cnt)
+
+    // The raw feature summary values are calculated prior to normalization.
+    cmReal_t* rawMinV;  // Vector of min value over time for each feature element.
+    cmReal_t* rawMaxV;  // Vector of max value over time for each feature element.
+    cmReal_t* rawAvgV;  // Vector of avg value over time for each feature element.
+    cmReal_t* rawSdvV;  // Vector of standard deviation values over time for each feature element.
+    cmReal_t  rawMin;   // Min value of all values for this feature. Equivalent to min(rawMinV).
+    cmReal_t  rawMax;   // Max value of all values for this feature. Equivalent to max(rawMaxV).
+
+    // normalized feature summary values
+    cmReal_t* normMinV; // Vector of min value over time for each feature element.
+    cmReal_t* normMaxV; // Vector of max value over time for each feature element.
+    cmReal_t* normAvgV; // Vector of avg value over time for each feature element.
+    cmReal_t* normSdvV; // Vector of standard deviation values over time for each feature element.
+    cmReal_t  normMin;  // Min value of all values for this feature. Equivalent to min(normMinV).
+    cmReal_t  normMax;  // Max value of all values for this feature. Equivalent to max(rawMaxV).
 
   } cmFtSumm_t;
 
-  /// Feature file info record
+  // Feature file info record
   typedef struct
   {
-    unsigned    frmCnt;         ///< count of frames in the file
-    cmReal_t    srate;          ///< audio sample rate
-    unsigned    smpCnt;         ///< audio sample count
-    unsigned    fftSmpCnt;      ///< FFT window length (always power of 2)
-    unsigned    hopSmpCnt;      ///< audio sample hop count
-    unsigned    binCnt;         ///< FFT bin count (always fftSmpCnt/2 + 1)
-    unsigned    skipFrmCnt;     ///< count of frames skipped based on user skip array 
-    unsigned    floorFrmCnt;    ///< count of frames skipped because below floorThreshDb
-    cmFtParam_t param;          ///< analysis parameter record used to form this feature file
-    cmFtSumm_t* summArray;      ///< summArray[ param.attrCnt ] feature summary information
+    unsigned    frmCnt;         // count of frames in the file
+    cmReal_t    srate;          // audio sample rate
+    unsigned    smpCnt;         // audio sample count
+    unsigned    fftSmpCnt;      // FFT window length (always power of 2)
+    unsigned    hopSmpCnt;      // audio sample hop count
+    unsigned    binCnt;         // FFT bin count (always fftSmpCnt/2 + 1)
+    unsigned    skipFrmCnt;     // count of frames skipped based on user skip array 
+    unsigned    floorFrmCnt;    // count of frames skipped because below floorThreshDb
+    cmFtParam_t param;          // analysis parameter record used to form this feature file
+    cmFtSumm_t* summArray;      // summArray[ param.attrCnt ] feature summary information
   } cmFtInfo_t;
 
-  /// Data structure returned by cmFtReaderAdvance(). 
+  // Data structure returned by cmFtReaderAdvance(). 
   typedef struct
   {
-    unsigned smpIdx;  ///< The audio signal sample index this frames information is based on.
-    unsigned frmIdx;  ///< The frame index relative to other frames in this feature file.
+    unsigned smpIdx;  // The audio signal sample index this frames information is based on.
+    unsigned frmIdx;  // The frame index relative to other frames in this feature file.
   } cmFtFrameDesc_t;
 
-  typedef cmHandle_t cmFtH_t;      ///< Analyzer handle
-  typedef cmHandle_t cmFtFileH_t;  ///< Feature file handle.
-  typedef unsigned   cmFtRC_t;     ///< Result code type used by all functions in cmFeatFile.h.
+  typedef cmHandle_t cmFtH_t;      // Analyzer handle
+  typedef cmHandle_t cmFtFileH_t;  // Feature file handle.
+  typedef unsigned   cmFtRC_t;     // Result code type used by all functions in cmFeatFile.h.
 
-  extern cmFtH_t     cmFtNullHandle;      ///< A NULL handle useful for indicating an uninitialized analyzer.
-  extern cmFtFileH_t cmFtFileNullHandle;  ///< A NULL handle useful for indicating an uninitialized feature file.
+  extern cmFtH_t     cmFtNullHandle;      // A NULL handle useful for indicating an uninitialized analyzer.
+  extern cmFtFileH_t cmFtFileNullHandle;  // A NULL handle useful for indicating an uninitialized feature file.
 
 
-  /// Given a feature type id return the associated label.
+  // Given a feature type id return the associated label.
   const char*     cmFtFeatIdToLabel( unsigned featId );
 
-  /// Given a feature type label return the associated id.
+  // Given a feature type label return the associated id.
   unsigned        cmFtFeatLabelToId( const char* label );
 
-  /// \name Feature Analyzer Related functions
-  ///@{ 
+  // Feature Analyzer Related functions
 
-  /// Initialize the feature analyzer. The memory manager and file system must
-  /// be initialized (cmMdInitialize(), cmFsInitialize()) prior to calling this function.
+  // Initialize the feature analyzer. The memory manager and file system must
+  // be initialized (cmMdInitialize(), cmFsInitialize()) prior to calling this function.
   cmFtRC_t        cmFtInitialize( cmFtH_t* hp, cmCtx_t* ctx );
 
-  /// Finalize a feature analyzer.
+  // Finalize a feature analyzer.
   cmFtRC_t        cmFtFinalize( cmFtH_t* h );
 
-  /// Return true if the handle represents an initialized feature analyzer.
+  // Return true if the handle represents an initialized feature analyzer.
   bool            cmFtIsValid( cmFtH_t  h );
 
-  /// Parse a JSON file containing a set of analysis parameters. 
+  // Parse a JSON file containing a set of analysis parameters. 
   cmFtRC_t        cmFtParse( cmFtH_t  h, const char* cfgFn );
 
-  /// Run the analyzer.
+  // Run the analyzer.
   cmFtRC_t        cmFtAnalyze( cmFtH_t h );
 
-  /// If cmFtAnalyze() is being run in a seperate thread this function
-  /// can be used to access the analyzers progress.
+  // If cmFtAnalyze() is being run in a seperate thread this function
+  // can be used to access the analyzers progress.
   const char*     cmFtAnalyzeProgress( cmFtH_t h, unsigned* passPtr, cmReal_t* percentPtr );  
 
-  ///@}
   
-  /// \name Feature File Related Functions
-  ///@{
+  // Feature File Related Functions
 
-  /// Open a feature file.
-  /// Note that inforPtrPtr is optional and will be ignored if it is set to NULL.
+  // Open a feature file.
+  // Note that inforPtrPtr is optional and will be ignored if it is set to NULL.
   cmFtRC_t        cmFtReaderOpen(    cmFtH_t h, cmFtFileH_t* hp, const char* featFn, const cmFtInfo_t** infoPtrPtr );
 
-  /// Close a feature file.
+  // Close a feature file.
   cmFtRC_t        cmFtReaderClose(   cmFtFileH_t* hp );
 
-  /// Return true if the handle reprents an open feature file.
+  // Return true if the handle reprents an open feature file.
   bool            cmFtReaderIsValid( cmFtFileH_t h );
 
-  /// Return the count of features types this file contains.
+  // Return the count of features types this file contains.
   unsigned        cmFtReaderFeatCount( cmFtFileH_t h );
 
-  /// Return the feature type id associated with the specified index.
+  // Return the feature type id associated with the specified index.
   unsigned        cmFtReaderFeatId( cmFtFileH_t h, unsigned index );
 
-  /// Reset the current file location to the first frame but do not load it.
-  /// The next call to cmFtReadAdvance() will load the next frame.
+  // Reset the current file location to the first frame but do not load it.
+  // The next call to cmFtReadAdvance() will load the next frame.
   cmFtRC_t        cmFtReaderRewind(  cmFtFileH_t h );
 
-  /// Make frmIdx the current file location.
+  // Make frmIdx the current file location.
   cmFtRC_t        cmFtReaderSeek(    cmFtFileH_t h, unsigned frmIdx );
 
-  /// Load the current frame, advance the current file position, and return
-  /// a pointer to a cmFtFrameDesc_t record for the loaded frame.
-  /// Returns kEofFtRC upon reaching end of file. 
-  /// The frameDescPtr is optional.
+  // Load the current frame, advance the current file position, and return
+  // a pointer to a cmFtFrameDesc_t record for the loaded frame.
+  // Returns kEofFtRC upon reaching end of file. 
+  // The frameDescPtr is optional.
   cmFtRC_t        cmFtReaderAdvance( cmFtFileH_t h, cmFtFrameDesc_t* frameDescPtr );
 
-  /// Returns a pointer to a data matrix in the feature identified by featId in the current feature frame. 
+  // Returns a pointer to a data matrix in the feature identified by featId in the current feature frame. 
   cmReal_t*       cmFtReaderData(    cmFtFileH_t h, unsigned featId, unsigned* cntPtr );
 
-  /// Copy the contents of a given set of frames into buf[frmCnt*elePerFrmCnt].
+  // Copy the contents of a given set of frames into buf[frmCnt*elePerFrmCnt].
   cmFtRC_t        cmFtReaderCopy(    cmFtFileH_t h, unsigned featId, unsigned frmIdx, cmReal_t* buf, unsigned frmCnt, unsigned elePerFrmCnt, unsigned* outEleCntPtr );  
 
-  /// Data structure used to specify multiple features for use by cmFtReaderMultiSetup().
+  // Data structure used to specify multiple features for use by cmFtReaderMultiSetup().
   typedef struct
   {
-    unsigned featId; ///< Feature id of feature to include in the feature vector
-    unsigned cnt;    ///< Set to count of feat ele's for this feat. Error if greater than avail. Set to -1 to use all avail ele's.
-                     ///  returned with actual count used
+    unsigned featId; // Feature id of feature to include in the feature vector
+    unsigned cnt;    // Set to count of feat ele's for this feat. Error if greater than avail. Set to -1 to use all avail ele's.
+                     //  returned with actual count used
 
-    unsigned id0;    ///< Ignored on input. Used internally by cmFtReaderXXX() 
-    unsigned id1;    ///< Ignored on input. Used internally by cmFtReaderXXX() 
+    unsigned id0;    // Ignored on input. Used internally by cmFtReaderXXX() 
+    unsigned id1;    // Ignored on input. Used internally by cmFtReaderXXX() 
   } cmFtMulti_t;
   
-  /// Setup an array of cmFtMulti_t records.  The cmFtMulti_t array
-  /// used by cmFtReaderMulitData() must be initialized by this function.
+  // Setup an array of cmFtMulti_t records.  The cmFtMulti_t array
+  // used by cmFtReaderMulitData() must be initialized by this function.
   cmFtRC_t        cmFtReaderMultiSetup(  cmFtFileH_t h, cmFtMulti_t* multiArray, unsigned multiCnt, unsigned* featVectEleCntPtr ); 
 
-  /// Fill outV[outN] with a consecutive data from the features specified in the cmFtMulti_t array.
-  /// Use cmFtReaderMultiSetup() to configure the cmFtMulti_t array prior to calling this function.
+  // Fill outV[outN] with a consecutive data from the features specified in the cmFtMulti_t array.
+  // Use cmFtReaderMultiSetup() to configure the cmFtMulti_t array prior to calling this function.
   cmFtRC_t        cmFtReaderMultiData(   cmFtFileH_t h, const cmFtMulti_t* multiArray, unsigned multiCnt, cmReal_t* outV, unsigned outN ); 
 
-  /// Report summary information for the specified feature.
+  // Report summary information for the specified feature.
   cmFtRC_t        cmFtReaderReport(  cmFtFileH_t h, unsigned featId );
 
-  /// Identical to cmFtReaderReport() except the feature file is identified from a file name rather than an open cmFtFileH_t.
+  // Identical to cmFtReaderReport() except the feature file is identified from a file name rather than an open cmFtFileH_t.
   cmFtRC_t        cmFtReaderReportFn(  cmFtH_t h, const cmChar_t* fn, unsigned featId );
 
-  /// Report feature data for the specified set of feature frames.
+  // Report feature data for the specified set of feature frames.
   cmFtRC_t        cmFtReaderReportFeature( cmFtFileH_t h, unsigned featId, unsigned frmIdx, unsigned frmCnt );
 
-  /// Write a feature into a binary file.  
-  /// Set 'frmCnt' to the cmInvalidCnt to include all frames past frmIdx.
-  /// The first three unsigned values in the output file
-  /// contain the row count, maximum column count, and the count of bytes in each data element (4=float,8=double). 
-  /// Each row of the file begins with the count of elements in the row and is followed by a data array.
+  // Write a feature into a binary file.  
+  // Set 'frmCnt' to the cmInvalidCnt to include all frames past frmIdx.
+  // The first three unsigned values in the output file
+  // contain the row count, maximum column count, and the count of bytes in each data element (4=float,8=double). 
+  // Each row of the file begins with the count of elements in the row and is followed by a data array.
   cmFtRC_t        cmFtReaderToBinary( cmFtFileH_t h, unsigned featId, unsigned frmIdx, unsigned frmCnt, const cmChar_t* outFn ); 
 
-  /// Identical to cmFtReaderToBinary() except it takes a feature file name instead of a file handle.
+  // Identical to cmFtReaderToBinary() except it takes a feature file name instead of a file handle.
   cmFtRC_t        cmFtReaderToBinaryFn( cmFtH_t h, const cmChar_t* fn, unsigned featId, unsigned frmIdx, unsigned frmCnt, const cmChar_t* outFn ); 
 
-  ///@}
+  //)
   
 #ifdef __cplusplus
 }

cmFile.c

@@ -1,3 +1,4 @@
+
 #include "cmPrefix.h"
 #include "cmGlobal.h"
 #include "cmRpt.h"

cmFile.h

@@ -1,9 +1,3 @@
-//{
-//( 
-// File abstraction class which slightly extends the C standard file handling routines
-// to cm style error handling.
-//)
-//
 #ifndef cmFile_h
 #define cmFile_h
 
@@ -11,7 +5,13 @@
 extern "C" {
 #endif
 
-  //(
+  //( { file_desc: "File abstraction class." kw:[file system base]}
+  // 
+  // The cmFile API extends the C standard file handling routines
+  // with cm style error handling. All cm file input and output occurs
+  // through this interface."
+  //
+  
   enum
   {
     kOkFileRC = cmOkRC,
@@ -244,7 +244,6 @@ extern "C" {
   cmFileRC_t cmFileSetRC( cmFileH_t h, cmFileRC_t rc );
   
   //)
-  //}
 
 #ifdef __cplusplus
 }

cmFileSys.h

@@ -1,6 +1,5 @@
-//{
-//(
-// A collection of file system utility functions.
+
+//( { file_desc:"A collection of file system utility functions." kw:[system file]}
 //
 // Note that cmFileSysInitialize() creates an internal cmLHeapH_t based
 // heap manager from which it allocates memory for some returned objects.
@@ -242,7 +241,6 @@ extern "C" {
   cmFsRC_t    cmFileSysTest( cmCtx_t* ctx );  
 
   //)
-  //}
 
 #ifdef __cplusplus
 }

cmFloatTypes.h

@@ -1,16 +1,3 @@
-/// \file cmFloatTypes.h
-/// \brief Declare the types cmReal_t and cmSample_t and define some useful limits.
-///
-/// For signal processing functions the cm library uses the types cmSample_t to indicate an audio
-/// sample value and cmReal_t to specify a general purpose floating point value. The library
-/// is designed in such a way that the actual type, float or double, for these two types may
-/// be set at compilation time. Set the preprocessor variable CM_FLOAT_SMP to 1 to indicate 
-/// that cmSample_t will be of type 'float' otherwise it will be of type 'double'. 
-/// Set the preprocessor variable CM_FLOAT_REAL to 1 to indicate 
-/// that cmSample_t will be of type 'float' otherwise it will be of type 'double'. 
-/// By default cmSample_t is float nad cmReal_t is double.
-///
-
 #ifndef cmFloatTypes_h
 #define cmFloatTypes_h
 
@@ -19,6 +6,18 @@
 extern "C" {
 #endif
 
+  //( { file_desc:"Declare the types cmReal_t and cmSample_t and define some useful limits." kw:[base]}
+  //
+  // For signal processing functions the cm library uses the types cmSample_t to indicate an audio
+  // sample value and cmReal_t to specify a general purpose floating point value. The library
+  // is designed in such a way that the actual type, float or double, for these two types may
+  // be set at compilation time. Set the preprocessor variable CM_FLOAT_SMP to 1 to indicate 
+  // that cmSample_t will be of type 'float' otherwise it will be of type 'double'. 
+  // Set the preprocessor variable CM_FLOAT_REAL to 1 to indicate 
+  // that cmSample_t will be of type 'float' otherwise it will be of type 'double'. 
+  // By default cmSample_t is float nad cmReal_t is double.
+  //
+
   //-----------------------------------------------------------------
 #ifndef CM_FLOAT_SMP
 #define CM_FLOAT_SMP 1
@@ -26,27 +25,27 @@ extern "C" {
 
 #if CM_FLOAT_SMP == 1
 
-  typedef float          cmSample_t;  ///< cmSample_t is a float
-  typedef float _Complex cmComplexS_t;///< cmComplexS_t is single precision.
+  typedef float          cmSample_t;  // cmSample_t is a float
+  typedef float _Complex cmComplexS_t;// cmComplexS_t is single precision.
 
-#define cmSample_EPSILON FLT_EPSILON  ///< Minimum increment between 1.0 and the next greaterv value. (1E-5)
-#define cmSample_MAX     FLT_MAX      ///< Maximum representable number (1E+37).
-#define cmSample_MIN     FLT_MIN      ///< Minimum representable number (1E-37).
+#define cmSample_EPSILON FLT_EPSILON  // Minimum increment between 1.0 and the next greaterv value. (1E-5)
+#define cmSample_MAX     FLT_MAX      // Maximum representable number (1E+37).
+#define cmSample_MIN     FLT_MIN      // Minimum representable number (1E-37).
 
 #else
 
-  typedef  double          cmSample_t;   ///< cmSample_t is a double
-  typedef  double _Complex cmComplexS_t; ///< cmComplexS_t is doulbe precision.
+  typedef  double          cmSample_t;   // cmSample_t is a double
+  typedef  double _Complex cmComplexS_t; // cmComplexS_t is doulbe precision.
 
-#define cmSample_EPSILON DBL_EPSILON    ///< Minimum increment between 1.0 and the next greaterv value. (1E-9)
-#define cmSample_MAX     DBL_MAX        ///< Maximum representable number (1E+37).
-#define cmSample_MIN     DBL_MIN        ///< Minimum representable number (1E-37).
+#define cmSample_EPSILON DBL_EPSILON    // Minimum increment between 1.0 and the next greaterv value. (1E-9)
+#define cmSample_MAX     DBL_MAX        // Maximum representable number (1E+37).
+#define cmSample_MIN     DBL_MIN        // Minimum representable number (1E-37).
 
 #endif
 
-//-----------------------------------------------------------------
-//-----------------------------------------------------------------
-//-----------------------------------------------------------------
+  //-----------------------------------------------------------------
+  //-----------------------------------------------------------------
+  //-----------------------------------------------------------------
 
 #ifndef CM_FLOAT_REAL
 #define CM_FLOAT_REAL 0
@@ -54,25 +53,27 @@ extern "C" {
 
 #if CM_FLOAT_REAL == 1
 
-  typedef float          cmReal_t;      ///< cmReal_t is a float
-  typedef float _Complex cmComplexR_t;  ///< cmComplexR_t is single precision.
+  typedef float          cmReal_t;      // cmReal_t is a float
+  typedef float _Complex cmComplexR_t;  // cmComplexR_t is single precision.
 
-#define cmReal_EPSILON FLT_EPSILON      ///< Minimum increment between 1.0 and the next greaterv value. (1E-5)
-#define cmReal_MAX     FLT_MAX          ///< Maximum representable number (1E+37).
-#define cmReal_MIN     FLT_MIN          ///< Minimum representable number (1E-37).
+#define cmReal_EPSILON FLT_EPSILON      // Minimum increment between 1.0 and the next greaterv value. (1E-5)
+#define cmReal_MAX     FLT_MAX          // Maximum representable number (1E+37).
+#define cmReal_MIN     FLT_MIN          // Minimum representable number (1E-37).
 
 #else
 
-  typedef  double          cmReal_t;      ///< cmReal_t is a double.
-  typedef  double _Complex cmComplexR_t;  ///< cmComplexR_t is double precision.
+  typedef  double          cmReal_t;      // cmReal_t is a double.
+  typedef  double _Complex cmComplexR_t;  // cmComplexR_t is double precision.
 
-#define cmReal_EPSILON DBL_EPSILON  ///< Minimum increment between 1.0 and the next greaterv value (1E-9).
-#define cmReal_MAX     DBL_MAX      ///< Maximum representable number (1E+37).
-#define cmReal_MIN     DBL_MIN      ///< Minimum representable number (1E-37).
+#define cmReal_EPSILON DBL_EPSILON  // Minimum increment between 1.0 and the next greaterv value (1E-9).
+#define cmReal_MAX     DBL_MAX      // Maximum representable number (1E+37).
+#define cmReal_MIN     DBL_MIN      // Minimum representable number (1E-37).
 
 
 #endif
 
+  //)
+  
 #ifdef __cplusplus
 }
 #endif

cmFrameFile.c

@@ -1031,7 +1031,7 @@ cmFfRC_t cmFrameFileFrameCreate( cmFrameFileH_t h, unsigned frameType, unsigned
   p->frame.f.mtxCnt       = 0;
   p->frame.f.streamId     = streamId;
   p->frame.f.flags        = flags;
-  p->frame.f.time.seconds = 0;
+  p->frame.f.tm.seconds = 0;
 
   return rc;
 }
@@ -1327,10 +1327,10 @@ cmFfRC_t cmFrameFileFrameNext( cmFrameFileH_t h, unsigned keyFrameTypeId, unsign
     return rc;
 
   if( cmIsFlag(p->frame.f.flags,kSampleIdxTimeFl) )
-    p->frame.f.time.sampleIdx = sampleIdx;
+    p->frame.f.tm.sampleIdx = sampleIdx;
 
   if( cmIsFlag(p->frame.f.flags,kSecondsTimeFl) )
-    p->frame.f.time.seconds = seconds;
+    p->frame.f.tm.seconds = seconds;
 
   
   return rc;

cmFrameFile.h

@@ -1,16 +1,17 @@
 #ifndef cmFrameFile_h
 #define cmFrameFile_h
 
-/*
-  file  -> cmFfFile_t frame*
-  frame -> cmFfFrame_t mtx*
-  mtx   -> cmFfMtx_t data*   
- */
-
 #ifdef __cplusplus
 extern "C" {
 #endif
 
+  //( { file_desc:"File reader and writer for time series data as used by cmFeatFile" kw:[file audio]}
+  //
+  // file  -> cmFfFile_t frame*
+  // frame -> cmFfFrame_t mtx*
+  // mtx   -> cmFfMtx_t data*   
+  //
+
 
   enum
   {
@@ -139,7 +140,7 @@ extern "C" {
     {
       unsigned sampleIdx;
       double   seconds;
-    } time;
+    } tm;
     
   } cmFfFrame_t;
 
@@ -353,6 +354,8 @@ extern "C" {
 #define kRealFmtId              kDoubleFmtId
 #endif
 
+  //)
+  
 #ifdef __cplusplus
 }
 #endif

cmGlobal.h

@@ -1,15 +1,14 @@
-//{
-//(
-// cmGlobal.h contains the global macros, header files, and 
-//  typedefs availale to all other cm modules. 
+
+
+#ifndef cmGlobal_h
+#define cmGlobal_h
+
+//( { file_desc:"This is the globally included prefix file for all 'cm' files." kw:[base] }
 //
 // All operating system dependencies should be resolved in this file via 
 // testing for OS_LINUX, OS_OSX, or OS_W32.
 //)
 
-#ifndef cmGlobal_h
-#define cmGlobal_h
-
 //(
 #include "config.h" // created by 'configure'
 #include <stdio.h>
@@ -150,6 +149,5 @@ extern "C" {
 #endif
 
 //)
-//}
 
 #endif

cmGnuPlot.h

@@ -1,85 +1,91 @@
 #ifndef cmGnuPlot_h
 #define cmGnuPlot_h
 
-enum
-{
-  kOkPlRC,
-  kSignalFailedPlRC,
-  kPipeFailedPlRC,
-  kForkFailedPlRC,
-  kExecFailedPlRC,
-  kPipeCloseFailedPlRC,
-  kPlotNotFoundPlRC,
-  kNoCurPlotPlRC,
-  kPlotDataFileFailPlRC,
-  kFopenFailedPlRC,
-  kFcloseFailedPlRC
-};
-
-enum
-{
-  kInvalidPlotPtId    = 0x000,
-  kPlusPlotPtId       = 0x001,
-  kXPlotPtId          = 0x002,
-  kAsteriskPlotPtId   = 0x003,
-  kSquarePlotPtId     = 0x004,
-  kFillSquarePlotPtId = 0x005,
-  kCirclePlotPtId     = 0x006,
-  kFillCirclePlotPtId = 0x007,
-  kTriPlotPtId        = 0x008,
-  kFillTriPlotPtId    = 0x009,
-  kInvTriPlotPtId     = 0x00a,
-  kInvFillTriPlotPtId = 0x00b,
-  kDiamondPlotPtId    = 0x00c,
-  kFillDiamonPlotPtId = 0x00d,
-  kPlotPtMask         = 0x00f,
-};
-
-enum
-{
-  kInvalidPlotLineId   = 0x000,  // -2 after translation
-  kSolidPlotLineId     = 0x010,  // -1 after translation
-  kDashPlotLineId      = 0x020,  //  0 after translation
-  kPlotLineMask        = 0x0f0,
-  kPlotLineShift       = 4
-};
-
-enum 
-{
-  kImpulsePlotFl       = 0x100
-};
-
-/// Set terminal to NULL to use the default terminal.
-cmRC_t cmPlotInitialize( const char* terminalStr );
-
-// Combines initializaion and setup in a single call.
-cmRC_t cmPlotInitialize2( const char* terminalStr, const char* title, unsigned rowCnt, unsigned colCnt );
-
-cmRC_t cmPlotFinalize();
-
-/// Setup the plot page
-cmRC_t cmPlotSetup( const char* title, unsigned rowCnt, unsigned colCnt );
-
-/// Select sub-plot to apply subsequent commands to
-cmRC_t cmPlotSelectSubPlot( unsigned ri, unsigned ci );
-
-/// Clear the current current subplot 
-cmRC_t cmPlotClear();
-
-/// Set the labels on the current sub-plot
-cmRC_t cmPlotSetLabels( const char* title, const char* xLabelStr, const char* yLabelStr, const char* zLabelStr ); 
-
-/// Set the default ranges for the x, y and z axes. To leave the ranges at their current values set the min and max to -1.
-/// The range values are used to form data sets when data is not explicitely given.
-cmRC_t cmPlotSetRange( double xMin, double xMax, double yMin, double yMax, double zMin, double zMax ); 
-
-/// If x or y is given as NULL then the values will be taken from the range settings xMin:xMax or yMin:yMax.
-/// Use the gnuplot command:'test' to see the valid lineType and pointType values for a given terminal
-/// Color string may be any of the predefined color labels: show palette colornames or and rgb value: e.g. #FF00FF
-cmRC_t cmPlotLineF( const char* legendStr, const float*  x, const float*  y, const float*  z, unsigned n, const char* colorStr, unsigned styleFlags );
-cmRC_t cmPlotLineD( const char* legendStr, const double* x, const double* y, const double* z, unsigned n, const char* colorStr, unsigned styleFlags );
-
-cmRC_t cmPlotLineMD( const double* x, const double* y, const double* z, unsigned rn, unsigned cn, unsigned styleFlags );
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+  //( { file_desc:"Interface to GNU Plot." kw:[plot]}
+  
+  enum
+  {
+    kOkPlRC,
+    kSignalFailedPlRC,
+    kPipeFailedPlRC,
+    kForkFailedPlRC,
+    kExecFailedPlRC,
+    kPipeCloseFailedPlRC,
+    kPlotNotFoundPlRC,
+    kNoCurPlotPlRC,
+    kPlotDataFileFailPlRC,
+    kFopenFailedPlRC,
+    kFcloseFailedPlRC
+  };
+
+  enum
+  {
+    kInvalidPlotPtId    = 0x000,
+    kPlusPlotPtId       = 0x001,
+    kXPlotPtId          = 0x002,
+    kAsteriskPlotPtId   = 0x003,
+    kSquarePlotPtId     = 0x004,
+    kFillSquarePlotPtId = 0x005,
+    kCirclePlotPtId     = 0x006,
+    kFillCirclePlotPtId = 0x007,
+    kTriPlotPtId        = 0x008,
+    kFillTriPlotPtId    = 0x009,
+    kInvTriPlotPtId     = 0x00a,
+    kInvFillTriPlotPtId = 0x00b,
+    kDiamondPlotPtId    = 0x00c,
+    kFillDiamonPlotPtId = 0x00d,
+    kPlotPtMask         = 0x00f,
+  };
+
+  enum
+  {
+    kInvalidPlotLineId   = 0x000,  // -2 after translation
+    kSolidPlotLineId     = 0x010,  // -1 after translation
+    kDashPlotLineId      = 0x020,  //  0 after translation
+    kPlotLineMask        = 0x0f0,
+    kPlotLineShift       = 4
+  };
+
+  enum 
+  {
+    kImpulsePlotFl       = 0x100
+  };
+
+  /// Set terminal to NULL to use the default terminal.
+  cmRC_t cmPlotInitialize( const char* terminalStr );
+
+  // Combines initializaion and setup in a single call.
+  cmRC_t cmPlotInitialize2( const char* terminalStr, const char* title, unsigned rowCnt, unsigned colCnt );
+
+  cmRC_t cmPlotFinalize();
+
+  /// Setup the plot page
+  cmRC_t cmPlotSetup( const char* title, unsigned rowCnt, unsigned colCnt );
+
+  /// Select sub-plot to apply subsequent commands to
+  cmRC_t cmPlotSelectSubPlot( unsigned ri, unsigned ci );
+
+  /// Clear the current current subplot 
+  cmRC_t cmPlotClear();
+
+  /// Set the labels on the current sub-plot
+  cmRC_t cmPlotSetLabels( const char* title, const char* xLabelStr, const char* yLabelStr, const char* zLabelStr ); 
+
+  /// Set the default ranges for the x, y and z axes. To leave the ranges at their current values set the min and max to -1.
+  /// The range values are used to form data sets when data is not explicitely given.
+  cmRC_t cmPlotSetRange( double xMin, double xMax, double yMin, double yMax, double zMin, double zMax ); 
+
+  /// If x or y is given as NULL then the values will be taken from the range settings xMin:xMax or yMin:yMax.
+  /// Use the gnuplot command:'test' to see the valid lineType and pointType values for a given terminal
+  /// Color string may be any of the predefined color labels: show palette colornames or and rgb value: e.g. #FF00FF
+  cmRC_t cmPlotLineF( const char* legendStr, const float*  x, const float*  y, const float*  z, unsigned n, const char* colorStr, unsigned styleFlags );
+  cmRC_t cmPlotLineD( const char* legendStr, const double* x, const double* y, const double* z, unsigned n, const char* colorStr, unsigned styleFlags );
+
+  cmRC_t cmPlotLineMD( const double* x, const double* y, const double* z, unsigned rn, unsigned cn, unsigned styleFlags );
 
 
 #if CM_FLOAT_SMP == 1
@@ -95,8 +101,14 @@ cmRC_t cmPlotLineMD( const double* x, const double* y, const double* z, unsigned
 #endif
 
 
-cmRC_t cmPlotDraw();
-cmRC_t cmPlotPrint( bool printDataFl );
-cmRC_t cmPlotDrawAndPrint( bool printDataFl );
+  cmRC_t cmPlotDraw();
+  cmRC_t cmPlotPrint( bool printDataFl );
+  cmRC_t cmPlotDrawAndPrint( bool printDataFl );
+
+  //)
+  
+#ifdef __cplusplus
+}
+#endif
 
 #endif

cmGr.h

@@ -5,6 +5,7 @@
 extern "C" {
 #endif
 
+  //( { file_desc:"Low level device independent API for descibing interactive graphics objects." kw:[plot] }
   enum 
   {
     kAliceBlueGrId            = 0xf0f8ff,
@@ -867,6 +868,7 @@ extern "C" {
 
   void     cmGrReport( cmGrH_t h, cmRpt_t* rpt );
 
+  //)
   
 #ifdef __cplusplus
 }

cmGrDevCtx.h

@@ -4,7 +4,8 @@
 #ifdef __cplusplus
 extern "C" {
 #endif
-
+  //( { file_desc:"Device independent graphics context object used by cmGr." kw:[plot]}
+  
   enum
   {
     kOkGrDcRC = cmOkRC,
@@ -195,6 +196,8 @@ extern "C" {
   // Is any of the rectangle visible in this drawing context.
   bool            cmGrDcRectIsVisible(  cmGrDcH_t h, const cmGrPExt_t* r );
 
+  //)
+  
 #ifdef __cplusplus
 }
 #endif

cmGrPage.h

@@ -4,6 +4,8 @@
 #ifdef __cplusplus
 extern "C" {
 #endif
+
+  //( { file_desc:"Device independent plotting window with one or more plot views." kw:[plot]}
   
   enum
   {
@@ -74,7 +76,11 @@ extern "C" {
   const cmChar_t*  cmGrPageLabelFuncLabel(    cmGrPgH_t h, unsigned id );
   void*            cmGrPageLabelFuncArg(      cmGrPgH_t h, unsigned id );
 
-
+  //----------------------------------------------------------------------------
+  //)
+  //( { label:cmGrView file_desc:"Device independent plotting view." kw:[plot]}
+  //
+  
   // Get a view handle from the view index.
   cmGrVwH_t cmGrPageViewHandle( cmGrPgH_t h,  unsigned vwIdx );
 
@@ -132,9 +138,14 @@ extern "C" {
     kSelH_VwId
   } cmGrViewValueId_t;
   const cmChar_t* cmGrViewValue( cmGrVwH_t h, cmGrViewValueId_t id, cmChar_t* buf, unsigned bufCharCnt );
-
+  
   // Get an axis handle.
   cmGrAxH_t     cmGrViewAxisHandle(    cmGrVwH_t h,  cmGrAxisIdx_t axisIdx  );
+
+  //----------------------------------------------------------------------------
+  //)  
+  //( { label:cmGrAxis file_desc:"Device independent plotting axis." kw:[plot]}
+  //
   
   bool            cmGrAxisIsValid(            cmGrAxH_t h );
   // kHashMarkGrFl | kHashLabelGrFl
@@ -161,6 +172,8 @@ extern "C" {
   // or cmGrPageLabelFuncIndexToId().
   void            cmGrAxisSetLabelFunc(      cmGrAxH_t h, unsigned pgLabelFuncId );
 
+  //)
+  
 #ifdef __cplusplus
 }
 #endif

cmGrPlot.h

@@ -5,6 +5,8 @@
 extern "C" {
 #endif
 
+  //( { file_desc:"Device indenpendent, multi-axis, interactive, plotting system based on cmGrPage, cmGrAxis and cmGr." kw:[plot]}
+  
   enum
   {
     kOkGrPlRC,
@@ -229,6 +231,7 @@ extern "C" {
   // Set the default object callback and arg.
   void         cmGrPlotSetCb( cmGrPlH_t h, cmGrPlotCbFunc_t func, void* arg );
 
+  //)
 
 #ifdef __cplusplus
 }

cmGrPlotAudio.h

@@ -6,12 +6,15 @@
 extern "C" {
 #endif
 
-
+  //( { file_desc:"Override a cmGrPlotObj to make an efficient audio plot object." kw:[plot audio]}
+  
   cmGrPlRC_t  cmGrPlotAudioFileObjCreate(
     cmGrPlObjH_t oH,
     cmAfmFileH_t afH,
     unsigned     audioChIdx );
 
+  //)
+  
 #ifdef __cplusplus
 }
 #endif

cmHashTbl.h

@@ -5,6 +5,8 @@
 extern "C" {
 #endif
 
+  //( { file_desc:"Hash table for storing arbitary data blobs." kw:[container]}
+  
   enum
   {
     kOkHtRC,
@@ -60,6 +62,8 @@ extern "C" {
 
   cmHtRC_t cmHashTblTest( cmCtx_t* ctx );
 
+  //)
+  
 #ifdef __cplusplus
 }
 #endif

cmJson.h

@@ -5,8 +5,8 @@
 #ifdef __cplusplus
 extern "C" {
 #endif
-  //{
-  //(
+  
+  //( { file_desc: "JSON reader and writer" kw:[file] }
   //
   //  Limitations:
   //
@@ -501,7 +501,6 @@ extern "C" {
   cmJsRC_t      cmJsonTest( const char* fn, cmCtx_t* ctx );
 
   //)
-  //}
 
 #ifdef __cplusplus
 }

cmKeyboard.h

@@ -1,66 +1,73 @@
 #ifndef cmKeyboard_h
 #define cmKeyboard_h
 
+#ifdef __cplusplus
+extern "C" {
+#endif
 
-enum
-{
-  kInvalidKId,
-  kAsciiKId,
-  kLeftArrowKId,
-  kRightArrowKId,
-  kUpArrowKId,
-  kDownArrowKId,
-  kHomeKId,
-  kEndKId,
-  kPgUpKId,
-  kPgDownKId,
-  kInsertKId,
-  kDeleteKId,
+  //( { file_desc:"Query and get keypresses directly from the console." kw:[system] }
   
-};
-
-
-
-
+  enum
+  {
+    kInvalidKId,
+    kAsciiKId,
+    kLeftArrowKId,
+    kRightArrowKId,
+    kUpArrowKId,
+    kDownArrowKId,
+    kHomeKId,
+    kEndKId,
+    kPgUpKId,
+    kPgDownKId,
+    kInsertKId,
+    kDeleteKId,
+  
+  };
 
-typedef struct
-{
-  unsigned code;
-  char     ch;
-  bool     ctlFl;
-  bool     altFl;
-} cmKbRecd;
+  typedef struct
+  {
+    unsigned code;
+    char     ch;
+    bool     ctlFl;
+    bool     altFl;
+  } cmKbRecd;
 
-// Set 'p' to NULL if the value of the key is not required.
-void cmKeyPress( cmKbRecd* p );
+  // Set 'p' to NULL if the value of the key is not required.
+  void cmKeyPress( cmKbRecd* p );
 
 
-// Return non-zero if a key is waiting to be read otherwise return 0.
-// Use getchar() to pick up the key.
-// 
-// Example:
-// while( 1 )
-// {
-//    if( cmIsKeyWaiting() == 0 )
-//       usleep(20000);
-//    else
-//    {
-//      char c = getchar();
-//      switch(c)
-//      {
-//        ....
-//      } 
-//    }
-//
-// }
-//
-// TODO: Note that this function turns off line-buffering on stdin.
-// It should be changed to a three function sequence.
-// bool org_state =  cmSetStdinLineBuffering(false);
-// ....
-// cmIsKeyWaiting()
-// ....
-// cmSetStdinLineBuffering(org_state)
-int cmIsKeyWaiting();
+  // Return non-zero if a key is waiting to be read otherwise return 0.
+  // Use getchar() to pick up the key.
+  // 
+  // Example:
+  // while( 1 )
+  // {
+  //    if( cmIsKeyWaiting() == 0 )
+  //       usleep(20000);
+  //    else
+  //    {
+  //      char c = getchar();
+  //      switch(c)
+  //      {
+  //        ....
+  //      } 
+  //    }
+  //
+  // }
+  //
+  // TODO: Note that this function turns off line-buffering on stdin.
+  // It should be changed to a three function sequence.
+  // bool org_state =  cmSetStdinLineBuffering(false);
+  // ....
+  // cmIsKeyWaiting()
+  // ....
+  // cmSetStdinLineBuffering(org_state)
+  int cmIsKeyWaiting();
 
+  //)
+  
+#ifdef __cplusplus
+  extern "C" {
+#endif
+  
 #endif

cmLex.c

@@ -238,7 +238,8 @@ unsigned _cmLexIntMatcher(   cmLex* p, const cmChar_t* cp, unsigned cn, const cm
 {
   unsigned i = 0;
   bool signFl = false;
-
+  unsigned digitCnt = 0;
+  
   for(; i<cn; ++i)
   {
     if( i==0 && cp[i]=='-' )
@@ -249,6 +250,8 @@ unsigned _cmLexIntMatcher(   cmLex* p, const cmChar_t* cp, unsigned cn, const cm
 
     if( !isdigit(cp[i]) )
       break;
+
+    ++digitCnt;
   }
 
   // BUG BUG BUG
@@ -262,7 +265,7 @@ unsigned _cmLexIntMatcher(   cmLex* p, const cmChar_t* cp, unsigned cn, const cm
   // containing a decimal point as reals. 
 
   // if no integer was found
-  if( (signFl && i==0) || i==0 )
+  if( digitCnt==0)
     return 0;
 
 

cmLex.h

@@ -1,11 +1,8 @@
 #ifndef cmLex_h
 #define cmLex_h
 
-//{
-//(
-//)
 
-//(
+//( { file_desc:"User configurable lexer for tokenizing text files." kw:[text]}
 
 
 // Predefined Lexer Id's
@@ -158,6 +155,5 @@ const cmChar_t* cmLexRcToMsg( unsigned rc );
 void cmLexTest( cmRpt_t* rpt );
 
 //)
-//}
 
 #endif

cmLib.h

@@ -5,6 +5,8 @@
 extern "C" {
 #endif
 
+  //( { file_desc:"Manage shared-libraries and query them for known symbols." kw:[system]}
+  
   enum
   {
     kOkLibRC = cmOkRC,
@@ -54,7 +56,7 @@ extern "C" {
   // Return the libraries file name.
   const cmChar_t* cmLibName( cmLibH_t h, unsigned libId );
   
-  
+  //)
 
 #ifdef __cplusplus
 }

cmLinkedHeap.c

@@ -141,7 +141,7 @@ bool     _cmLHeapFree(    cmLHeap_t* lhp, void* dataPtr )
     lbp->nextPtr = (char*)allocPtr; // ... then make it the space to alloc
   else           
     lbp->freeCnt += *allocPtr; // ... otherwise increase the free count
-  //(freeCnt tracks unused space that is not at the end of the block and therefore cannot be reused.)
+  // freeCnt tracks unused space that is not at the end of the block and therefore cannot be reused.
 
   // if all the space for this block has been freed then the
   // next space to allocate must be at the base

cmLinkedHeap.h

@@ -5,8 +5,18 @@
 extern "C" {
 #endif
 
-  //{
+  //( { file_desc:"Implements a block based memory heap manager." kw:[base]}
+  //
+  // There are two advantages to using this memory manager over the cmMallocDebug
+  // manager. It alleviates memory fragmentation by pre-allocating large blocks of memory
+  // which are then used to fullfill many small memory requests. Second it can
+  // act as a garbage collector by releasing all the memory it is managing at once.
+  // This can reduce code complexity by eliminating for a class instance to release internally
+  // allocated objects.
+  //)
+
   //(
+  
   typedef cmHandle_t cmLHeapH_t;
   
   extern cmLHeapH_t cmLHeapNullHandle;
@@ -84,7 +94,6 @@ extern "C" {
 #endif
 
   //)
-  //}
 
 #ifdef __cplusplus
 }

cmMain.c

@@ -1,3 +1,5 @@
+//( { file_desc:"Template 'main.c' for 'libcm' based program"  kw:[demo]}
+
 #include "cmGlobal.h"
 #include "cmRpt.h"
 #include "cmMem.h"
@@ -31,3 +33,5 @@ int main(int argc, char* argv[] )
   cmMdFinalize();
   return 0;
 }
+
+//)

cmMallocDebug.h

@@ -1,6 +1,11 @@
-//{ { label:cmMd }
-//(
-// Implements an extended memory allocation and tracking manager.
+#ifndef cmMallocDebug_h
+#define cmMallocDebug_h
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+//( { file_desc:"Implements an extended memory allocation and tracking manager." kw:[base] }
 //
 // cmMallocDebug is a wrapper to cmMem.h for calls to malloc() and free().
 // Most of the cmMdXXX() calls are directly associated with same named 
@@ -8,15 +13,8 @@
 // cmMm object where malloc() and free() are the callback functions 
 // provided to cmMmInitialize().
 // 
-//)
-
-#ifndef cmMallocDebug_h
-#define cmMallocDebug_h
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-  //(
+//
+  
   // Initialize the malloc debug manager. guardByteCnt, alignByteeCnt, flags, and rpt
   // are used to initialize an internal cmMm object.  See cmMm for their semantics.
   cmMmRC_t  cmMdInitialize( unsigned guardByteCnt, unsigned alignByteCnt, unsigned flags, cmRpt_t* rptPtr );
@@ -165,6 +163,4 @@ extern "C" {
 #endif
 
 
-//}
-
 #endif

cmMath.h

@@ -1,120 +1,132 @@
 #ifndef cmMath_h
 #define cmMath_h
 
-double   cmX80ToDouble( unsigned char s[10] );
-void     cmDoubleToX80( double v, unsigned char s[10] );
-
-bool     cmIsPowerOfTwo(   unsigned i );
-unsigned cmNextPowerOfTwo( unsigned i );
-unsigned cmNearPowerOfTwo( unsigned i );
-
-bool     cmIsOddU(    unsigned v );
-bool     cmIsEvenU(   unsigned v );
-unsigned cmNextOddU(  unsigned v );
-unsigned cmPrevOddU(  unsigned v );
-unsigned cmNextEvenU( unsigned v );
-unsigned cmPrevEvenU( unsigned v );
-
-/// Increment or decrement 'idx' by 'delta' always wrapping the result into the range
-/// 0 to (maxN-1).
-/// 'idx': initial value 
-/// 'delta':  incremental amount
-/// 'maxN' - 1 : maximum return value.
-unsigned cmModIncr(int idx, int delta, int maxN );
-
-// modified bessel function of first kind, order 0
-// ref: orfandis appendix B io.m
-double   cmBessel0( double x );
-
-
-//=================================================================
-// The following elliptic-related function approximations come from
-// Parks & Burrus, Digital Filter Design, Appendix program 9, pp. 317-326
-// which in turn draws directly on other sources
-
-// calculate complete elliptic integral (quarter period) K
-// given *complimentary* modulus kc
-cmReal_t cmEllipK( cmReal_t kc );
-
-// calculate elliptic modulus k
-// given ratio of complete elliptic integrals r = K/K'
-// (solves the "degree equation" for fixed N = K*K1'/K'K1)
-cmReal_t cmEllipDeg( cmReal_t r );
-
-// calculate arc elliptic tangent u (elliptic integral of the 1st kind)
-// given argument x = sc(u,k) and *complimentary* modulus kc
-cmReal_t cmEllipArcSc( cmReal_t x, cmReal_t kc );
-
-// calculate Jacobi elliptic functions sn, cn, and dn
-// given argument u and *complimentary* modulus kc
-cmRC_t   cmEllipJ( cmReal_t u, cmReal_t kc, cmReal_t* sn, cmReal_t* cn, cmReal_t* dn );
-
-
-//=================================================================
-// bilinear transform
-// z = (2*sr + s)/(2*sr - s)
-cmRC_t cmBlt( unsigned n, cmReal_t sr, cmReal_t* rp, cmReal_t* ip );
-
-
-//=================================================================
-// Pitch conversion
-unsigned cmHzToMidi( double hz );
-float    cmMidiToHz( unsigned midi );
-
-//=================================================================
-// Floating point byte swapping
-unsigned           cmFfSwapFloatToUInt( float v );
-float              cmFfSwapUIntToFloat( unsigned v );
-unsigned long long cmFfSwapDoubleToULLong( double v );
-double             cmFfSwapULLongToDouble( unsigned long long v );
-
-//=================================================================
-int      cmRandInt( int min, int max );
-unsigned cmRandUInt( unsigned min, unsigned max );
-float    cmRandFloat( float min, float max );
-double   cmRandDouble( double min, double max );
-
-//=================================================================
-bool cmIsCloseD( double   x0, double   x1, double eps );
-bool cmIsCloseF( float    x0, float    x1, double eps );
-bool cmIsCloseI( int      x0, int      x1, double eps );
-bool cmIsCloseU( unsigned x0, unsigned x1, double eps );
-
-//=================================================================
-// Run a length 'lfsrN' linear feedback shift register (LFSR) for 'yN' iterations to
-// produce a length 'yN' bit string in yV[yN].
-// 'lfsrN' count of bits in the shift register range: 2<= lfsrN <= 32.
-// 'tapMask' is a bit mask which gives the tap indexes positions for the LFSR. 
-// The least significant bit corresponds to the maximum delay tap position.  
-// The min tap position is therefore denoted by the tap mask bit location 1 << (lfsrN-1).
-// A minimum of two taps must exist.
-// 'seed' sets the initial delay state.
-// 'yV[yN]' is the the output vector
-// 'yN' is count of elements in yV.
-// The function resturn kOkAtRC on success or kInvalidArgsRCRC if any arguments are invalid.
-// /sa cmLFSR_Test.
-void   cmLFSR( unsigned lfsrN, unsigned tapMask, unsigned seed, unsigned* yV, unsigned yN );
-
-// Example and test code for cmLFSR() 
-bool cmLFSR_Test();
-
-
-// Generate a set of 'goldN' Gold codes using the Maximum Length Sequences (MLS) generated
-// by a length 'lfsrN' linear feedback shift register.
-// 'err' is an error object to be set if the the function fails.
-// 'lfsrN' is the length of the Linear Feedback Shift Registers (LFSR) used to generate the MLS.
-// 'poly_coeff0' tap mask for the first LFSR.
-// 'coeff1' tap mask the the second LFSR.
-// 'goldN' is the count of Gold codes to generate. 
-// 'yM[mlsN', goldN] is a column major output matrix where each column contains a Gold code.
-// 'mlsN' is the length of the maximum length sequence for each Gold code which can be
-// calculated as mlsN = (1 << a->lfsrN) - 1.
-// Note that values of 'lfsrN' and the 'poly_coeffx' must be carefully selected such that
-// they will produce a MLS.  For example to generate a MLS with length 31 set 'lfsrN' to 5 and
-// then select poly_coeff from two different elements of the set {0x12 0x14 0x17 0x1B 0x1D 0x1E}.
-// See http://www.ece.cmu.edu/~koopman/lfsr/index.html for a complete set of MSL polynomial
-// coefficients for given LFSR lengths.
-// Returns false if insufficient balanced pairs exist.
-bool   cmGenGoldCodes( unsigned lfsrN, unsigned poly_coeff0, unsigned poly_coeff1, unsigned goldN, int* yM, unsigned mlsN  );
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+  //( { file_desc:"Math utility functions" kw:[math] }
+  
+  double   cmX80ToDouble( unsigned char s[10] );
+  void     cmDoubleToX80( double v, unsigned char s[10] );
+
+  bool     cmIsPowerOfTwo(   unsigned i );
+  unsigned cmNextPowerOfTwo( unsigned i );
+  unsigned cmNearPowerOfTwo( unsigned i );
+
+  bool     cmIsOddU(    unsigned v );
+  bool     cmIsEvenU(   unsigned v );
+  unsigned cmNextOddU(  unsigned v );
+  unsigned cmPrevOddU(  unsigned v );
+  unsigned cmNextEvenU( unsigned v );
+  unsigned cmPrevEvenU( unsigned v );
+
+  /// Increment or decrement 'idx' by 'delta' always wrapping the result into the range
+  /// 0 to (maxN-1).
+  /// 'idx': initial value 
+  /// 'delta':  incremental amount
+  /// 'maxN' - 1 : maximum return value.
+  unsigned cmModIncr(int idx, int delta, int maxN );
+
+  // modified bessel function of first kind, order 0
+  // ref: orfandis appendix B io.m
+  double   cmBessel0( double x );
+
+
+  //=================================================================
+  // The following elliptic-related function approximations come from
+  // Parks & Burrus, Digital Filter Design, Appendix program 9, pp. 317-326
+  // which in turn draws directly on other sources
+
+  // calculate complete elliptic integral (quarter period) K
+  // given *complimentary* modulus kc
+  cmReal_t cmEllipK( cmReal_t kc );
+
+  // calculate elliptic modulus k
+  // given ratio of complete elliptic integrals r = K/K'
+  // (solves the "degree equation" for fixed N = K*K1'/K'K1)
+  cmReal_t cmEllipDeg( cmReal_t r );
+
+  // calculate arc elliptic tangent u (elliptic integral of the 1st kind)
+  // given argument x = sc(u,k) and *complimentary* modulus kc
+  cmReal_t cmEllipArcSc( cmReal_t x, cmReal_t kc );
+
+  // calculate Jacobi elliptic functions sn, cn, and dn
+  // given argument u and *complimentary* modulus kc
+  cmRC_t   cmEllipJ( cmReal_t u, cmReal_t kc, cmReal_t* sn, cmReal_t* cn, cmReal_t* dn );
+
+
+  //=================================================================
+  // bilinear transform
+  // z = (2*sr + s)/(2*sr - s)
+  cmRC_t cmBlt( unsigned n, cmReal_t sr, cmReal_t* rp, cmReal_t* ip );
+
+
+  //=================================================================
+  // Pitch conversion
+  unsigned cmHzToMidi( double hz );
+  float    cmMidiToHz( unsigned midi );
+
+  //=================================================================
+  // Floating point byte swapping
+  unsigned           cmFfSwapFloatToUInt( float v );
+  float              cmFfSwapUIntToFloat( unsigned v );
+  unsigned long long cmFfSwapDoubleToULLong( double v );
+  double             cmFfSwapULLongToDouble( unsigned long long v );
+
+  //=================================================================
+  int      cmRandInt( int min, int max );
+  unsigned cmRandUInt( unsigned min, unsigned max );
+  float    cmRandFloat( float min, float max );
+  double   cmRandDouble( double min, double max );
+
+  //=================================================================
+  bool cmIsCloseD( double   x0, double   x1, double eps );
+  bool cmIsCloseF( float    x0, float    x1, double eps );
+  bool cmIsCloseI( int      x0, int      x1, double eps );
+  bool cmIsCloseU( unsigned x0, unsigned x1, double eps );
+
+  //=================================================================
+  // Run a length 'lfsrN' linear feedback shift register (LFSR) for 'yN' iterations to
+  // produce a length 'yN' bit string in yV[yN].
+  // 'lfsrN' count of bits in the shift register range: 2<= lfsrN <= 32.
+  // 'tapMask' is a bit mask which gives the tap indexes positions for the LFSR. 
+  // The least significant bit corresponds to the maximum delay tap position.  
+  // The min tap position is therefore denoted by the tap mask bit location 1 << (lfsrN-1).
+  // A minimum of two taps must exist.
+  // 'seed' sets the initial delay state.
+  // 'yV[yN]' is the the output vector
+  // 'yN' is count of elements in yV.
+  // The function resturn kOkAtRC on success or kInvalidArgsRCRC if any arguments are invalid.
+  // /sa cmLFSR_Test.
+  void   cmLFSR( unsigned lfsrN, unsigned tapMask, unsigned seed, unsigned* yV, unsigned yN );
+
+  // Example and test code for cmLFSR() 
+  bool cmLFSR_Test();
+
+
+  // Generate a set of 'goldN' Gold codes using the Maximum Length Sequences (MLS) generated
+  // by a length 'lfsrN' linear feedback shift register.
+  // 'err' is an error object to be set if the the function fails.
+  // 'lfsrN' is the length of the Linear Feedback Shift Registers (LFSR) used to generate the MLS.
+  // 'poly_coeff0' tap mask for the first LFSR.
+  // 'coeff1' tap mask the the second LFSR.
+  // 'goldN' is the count of Gold codes to generate. 
+  // 'yM[mlsN', goldN] is a column major output matrix where each column contains a Gold code.
+  // 'mlsN' is the length of the maximum length sequence for each Gold code which can be
+  // calculated as mlsN = (1 << a->lfsrN) - 1.
+  // Note that values of 'lfsrN' and the 'poly_coeffx' must be carefully selected such that
+  // they will produce a MLS.  For example to generate a MLS with length 31 set 'lfsrN' to 5 and
+  // then select poly_coeff from two different elements of the set {0x12 0x14 0x17 0x1B 0x1D 0x1E}.
+  // See http://www.ece.cmu.edu/~koopman/lfsr/index.html for a complete set of MSL polynomial
+  // coefficients for given LFSR lengths.
+  // Returns false if insufficient balanced pairs exist.
+  bool   cmGenGoldCodes( unsigned lfsrN, unsigned poly_coeff0, unsigned poly_coeff1, unsigned goldN, int* yM, unsigned mlsN  );
+
+  //)
+  
+#ifdef __cplusplus
+}
+#endif
 
 #endif

cmMem.h

@@ -1,6 +1,4 @@
-//{
-//(
-// The cmMem class implements a memory allocation manager interface.
+//( { file_desc: "Implements a memory allocation manager interface." kw:[ base ]}
 //
 //
 // Using cmMem allows memory leaks and some instances of memory corruption 
@@ -19,13 +17,16 @@
 // 1. A client memory manager creates and configures a cmMm object via cmMmInitialize().
 // As part of the configuration the client gives callback functions which implement
 // actual memory allocation and release.  In practice this means the callback probably
-// call malloc() or free(). 
+// call malloc() or free().
+//
 // 2. At some point later when the client needs to allocate a block of memory it calls
 // cmMmAllocate() with the size of the requested block.  cmMm translates this request
 // into a call to the client provided memory allocation callback to get a block of raw
 // memory which is slightly larger than the request block.
+//
 // 3. Given the raw memory block cmMm conditions it in the following ways and returns
 // it to the client.
+//
 // * The base of the blocks data area is shifted such that it is has an arbitrary 
 // address aligned according to the value set by the alignByteCnt parameter to cmMmInitialize().
 // Address aligment is sometimes required by routines which make use of the the SIMD
@@ -54,9 +55,11 @@
 // writes to freed memory areas.  When deferred release is enabled the freeFunc() is not called
 // on any blocks until cmMmFinalize().  If the program continually allocates memory over the 
 // life of the program this may mean that the program will eventually exhaust physical memory.
+//
 // 2. If tracking is enabled (kTrackMmFl) then the block pointer is looked up in the internal database.
 // If the pointer is not found then a kMissingRecdRC is returned indicating an attempt to release
-// a non-allocated block.  
+// a non-allocated block.
+//
 // 3. If tracking is enabled (kTrackMmFl) then the block is marked as released in the 
 // internal tracking database. At the end of the program all blocks should be marked for release
 // otherwise they are considered leaks.  
@@ -223,7 +226,6 @@ extern "C" {
   cmMmRC_t cmMmCheckAllGuards( cmMmH_t h );
 
   //)
-  //}
 #ifdef __cplusplus
 }
 #endif

cmMidi.h

@@ -5,6 +5,8 @@
 extern "C" {
 #endif
 
+  //( { file_desc:"MIDI utility constants and functions." kw:[midi]}
+  
   enum
   {
     kMidiChCnt           = 16,
@@ -154,6 +156,8 @@ extern "C" {
   // of this range will be returned as kInvalidMidiPitch.   
   cmMidiByte_t    cmSciPitchToMidi( const char* sciPitchStr );
 
+  //)
+  
 #ifdef __cplusplus
 }
 #endif

cmMidiFile.c

@@ -246,7 +246,7 @@ cmMfRC_t _cmMidiFileReadChannelMsg( _cmMidiFile_t* mfp, cmMidiByte_t* rsPtr, cmM
   tmp->byteCnt = sizeof(cmMidiChMsg_t);
   tmp->status  = statusCh & 0xf0;
   p->ch        = statusCh & 0x0f;
-  p->durTicks  = 0;
+  p->durMicros = 0;
 
   unsigned byteN = cmMidiStatusToByteCount(tmp->status);
   
@@ -416,8 +416,6 @@ cmMfRC_t _cmMidiFileReadHdr( _cmMidiFile_t* mfp )
 
 int _cmMidiFileSortFunc( const void *p0, const void* p1 )
 {  
-  //printf("%i %i\n",(*(cmMidiTrackMsg_t**)p0)->dticks,(*(cmMidiTrackMsg_t**)p1)->dticks);
-
   if( (*(cmMidiTrackMsg_t**)p0)->atick == (*(cmMidiTrackMsg_t**)p1)->atick )
     return 0;
 
@@ -526,12 +524,20 @@ cmMfRC_t cmMidiFileOpen( const char* fn, cmMidiFileH_t* hPtr, cmCtx_t* ctx )
   // store a pointer to every trk msg in msgV[] 
   // and convert tick to absolute tick
   mfp->nextUid = 0;
+
+  double microsPerQN  = 60000000/120; // default tempo;
+  double microsPerTick;
+  
   unsigned i = 0;
   for(trkIdx=0; trkIdx<mfp->trkN; ++trkIdx)
   {
     unsigned        tick = 0;
     cmMidiTrackMsg_t* tmp  = mfp->trkV[ trkIdx ].base;
 
+    
+    microsPerTick = microsPerQN / mfp->ticksPerQN;
+  
+    
     while( tmp != NULL )
     {
       assert( i < mfp->msgN);
@@ -540,6 +546,14 @@ cmMfRC_t cmMidiFileOpen( const char* fn, cmMidiFileH_t* hPtr, cmCtx_t* ctx )
       tmp->atick     = tick;
       tmp->uid       = mfp->nextUid++; // assign the msg uid
       mfp->msgV[i]   = tmp;
+
+      // track tempo changes
+      if( tmp->status == kMetaStId && tmp->metaId == kTempoMdId )
+        microsPerTick = tmp->u.iVal / mfp->ticksPerQN;
+
+      // convert dtick to microseconds
+      tmp->dmicro = round(tmp->dtick * microsPerTick);
+      
       tmp            = tmp->link;
       ++i;
     }  
@@ -548,6 +562,31 @@ cmMfRC_t cmMidiFileOpen( const char* fn, cmMidiFileH_t* hPtr, cmCtx_t* ctx )
   // sort msgV[] in ascending order on atick
   qsort( mfp->msgV, mfp->msgN, sizeof(cmMidiTrackMsg_t*), _cmMidiFileSortFunc );
 
+  // set the amicro field of each midi message to the
+  // absolute time offset in microseconds
+  unsigned mi;
+  unsigned amicro = 0;
+  microsPerTick = microsPerQN / mfp->ticksPerQN;
+
+  for(mi=0; mi<mfp->msgN; ++mi)
+  {
+    cmMidiTrackMsg_t* mp = mfp->msgV[mi];
+
+    // track tempo changes
+    if( mp->status == kMetaStId && mp->metaId == kTempoMdId )
+      microsPerTick = mp->u.iVal / mfp->ticksPerQN;
+
+    unsigned dtick = 0;
+    if( mi > 0 )
+    {
+      assert( mp->atick >= mfp->msgV[mi-1]->atick );
+      dtick = mp->atick -  mfp->msgV[mi-1]->atick;
+    }
+    
+    amicro += round(microsPerTick*dtick);
+    mp->amicro = amicro;
+  }
+  
   //for(i=0; i<25; ++i)
   //  printf("%i 0x%x 0x%x\n",mfp->msgV[i]->tick,mfp->msgV[i]->status,mfp->msgV[i]->metaId);
 
@@ -1054,15 +1093,25 @@ unsigned  cmMidiFileSeekUsecs( cmMidiFileH_t h, unsigned offsUSecs, unsigned* ms
   for(mi=0; mi<p->msgN; ++mi)
   {
     const cmMidiTrackMsg_t* mp = p->msgV[mi];
-
+    /*
     if( mp->status == kMetaStId && mp->metaId == kTempoMdId )
       microsPerTick = mp->u.iVal / p->ticksPerQN;
 
-    accUSecs += mp->dtick * microsPerTick ;
+    unsigned dtick = 0;
+    if( mi > 0 )
+    {
+      assert( mp->atick >= p->msgV[mi-1]->atick )
+      dtick = mp->atick - p->msgV[mi-1]->atick;
+    }
+    
+    accUSecs += dtick * microsPerTick ;
 
     if( accUSecs >= offsUSecs )
       break;
+    */
 
+    if( mp->amicro >= offsUSecs )
+      break;
   }
   
   if( mi == p->msgN )
@@ -1080,92 +1129,17 @@ unsigned  cmMidiFileSeekUsecs( cmMidiFileH_t h, unsigned offsUSecs, unsigned* ms
 double  cmMidiFileDurSecs( cmMidiFileH_t h )
 {
   _cmMidiFile_t* mfp           = _cmMidiFileHandleToPtr(h);
-  unsigned       mi;
-  double         durSecs       = 0;
-  double         r             = 1.0; //1000.0/(1000-.8);
-  double         microsPerQN   = r*60000000.0/120.0;
-  double         microsPerTick = microsPerQN / mfp->ticksPerQN;
-
-  for(mi=0; mi<mfp->msgN; ++mi)
-  {
-    cmMidiTrackMsg_t* mp = mfp->msgV[mi];
-
-    if( mp->status == kMetaStId && mp->metaId == kTempoMdId )
-      microsPerTick = r*mp->u.iVal / mfp->ticksPerQN;
-
-    // update the accumulated seconds
-    durSecs += (mp->dtick * microsPerTick) / 1000000.0;
-
-  }
-
-  return durSecs;
-}
-
-void cmMidiFileTickToMicros( cmMidiFileH_t h )
-{
-  _cmMidiFile_t* p;
-
-  if((p = _cmMidiFileHandleToPtr(h)) == NULL )
-    return;
-
-  if( p->msgN == 0 )
-    return;
-
-  unsigned mi;
-  double r             = 1.0; //1000.0/(1000-.8);
-  double microsPerQN   = r*60000000/120; // default tempo
-  double microsPerTick = microsPerQN / p->ticksPerQN;
-
-  for(mi=0; mi<p->msgN; ++mi)
-  {
-    cmMidiTrackMsg_t* mp = p->msgV[mi];
-
-    if( mp->status == kMetaStId && mp->metaId == kTempoMdId )
-      microsPerTick = r*mp->u.iVal / p->ticksPerQN;
-
-    mp->dtick = round(microsPerTick*mp->dtick);
-  }
-  
-}
-
-void cmMidiFileTickToSamples( cmMidiFileH_t h, double srate, bool absFl )
-{
-  _cmMidiFile_t* p;
 
-  if((p = _cmMidiFileHandleToPtr(h)) == NULL )
-    return;
-
-  if( p->msgN == 0 )
-    return;
-
-  unsigned mi;
-  double r             = 1.0; //1000.0/(1000-.8);
-  double microsPerQN   = r*60000000/120; // default tempo
-  double microsPerTick = microsPerQN / p->ticksPerQN;
-  double absSmp = 0;
-
-  for(mi=0; mi<p->msgN; ++mi)
-  {
-    cmMidiTrackMsg_t* mp = p->msgV[mi];
-
-    if( mp->status == kMetaStId && mp->metaId == kTempoMdId )
-      microsPerTick = r*mp->u.iVal / p->ticksPerQN;
-
-    double delta = microsPerTick*mp->dtick*srate/1000000.0;
-
-    absSmp += delta;
-
-    mp->dtick  = round(absFl ? absSmp : delta);
-
-  }
+  if( mfp->msgN == 0 )
+    return 0;
   
+  return mfp->msgV[ mfp->msgN-1 ]->amicro / 1000000.0;
 }
 
-
 typedef struct _cmMidiVoice_str
 {
   const  cmMidiTrackMsg_t*  mp;
-  unsigned                  durTicks;
+  unsigned                  durMicros;
   bool                      sustainFl;
   struct _cmMidiVoice_str*  link;
 } _cmMidiVoice_t;
@@ -1178,7 +1152,7 @@ void _cmMidFileCalcNoteDurationReleaseNote( _cmMidiVoice_t** listPtrPtr, _cmMidi
   // store the duration of the note into the track msg 
   // assoc'd with the note-on msg
   cmMidiChMsg_t* cmp = (cmMidiChMsg_t*)vp->mp->u.chMsgPtr; // cast away const
-  cmp->durTicks = vp->durTicks;
+  cmp->durMicros = vp->durMicros;
 
   _cmMidiVoice_t* np = vp->link;
 
@@ -1226,13 +1200,20 @@ void cmMidiFileCalcNoteDurations( cmMidiFileH_t h )
   {
     cmMidiTrackMsg_t* mp    = p->msgV[mi];
 
+    unsigned d_amicro = 0;
+    if( mi > 0 )
+    {
+      assert(    mp->amicro >= p->msgV[mi-1]->amicro );
+      d_amicro = mp->amicro -  p->msgV[mi-1]->amicro;
+    }
+    
     // update the duration of the sounding notes
     for(vp = list; vp!=NULL; vp=vp->link)
-      vp->durTicks += mp->dtick;    
+      vp->durMicros += d_amicro;    
 
     // update the sustain pedal duration
     if( sustainPedalDownMsg != NULL )
-      ((cmMidiChMsg_t*)(sustainPedalDownMsg->u.chMsgPtr))->durTicks += mp->dtick;  // cast away const
+      ((cmMidiChMsg_t*)(sustainPedalDownMsg->u.chMsgPtr))->durMicros += d_amicro;  // cast away const
 
     //
     // If this is sustain pedal msg
@@ -1257,7 +1238,7 @@ void cmMidiFileCalcNoteDurations( cmMidiFileH_t h )
         else
         {
           sustainPedalDownMsg = mp;
-          ((cmMidiChMsg_t*)(sustainPedalDownMsg->u.chMsgPtr))->durTicks = 0;  // cast away const
+          ((cmMidiChMsg_t*)(sustainPedalDownMsg->u.chMsgPtr))->durMicros = 0;  // cast away const
         }
 
         _cmMidiFileCalcNoteDurationsAllocVoice( &list, mp, true );
@@ -1389,16 +1370,51 @@ cmMidiTrackMsg_t*     cmMidiFilePackTrackMsg( const cmMidiTrackMsg_t* m, void* b
   return (cmMidiTrackMsg_t*)buf;
 }
 
-
-
-void cmMidiFilePrint( cmMidiFileH_t h, unsigned trkIdx, cmRpt_t* rpt )
+void _cmMidiFilePrintHdr( const _cmMidiFile_t* mfp, cmRpt_t* rpt )
 {
-  const _cmMidiFile_t* mfp = _cmMidiFileHandleToPtr(h);
-
   if( mfp->fn != NULL )
     cmRptPrintf(rpt,"%s ",mfp->fn);
 
   cmRptPrintf(rpt,"fmt:%i ticksPerQN:%i tracks:%i\n",mfp->fmtId,mfp->ticksPerQN,mfp->trkN);
+}
+
+void _cmMidiFilePrintMsg( cmRpt_t* rpt, const cmMidiTrackMsg_t* tmp )
+{
+  cmRptPrintf(rpt,"%8i %8i %8i %8i : ",   tmp->dtick, tmp->dmicro, tmp->atick, tmp->amicro );
+
+  if( tmp->status == kMetaStId )
+    cmRptPrintf(rpt,"%s ", cmMidiMetaStatusToLabel(tmp->metaId)); 
+  else
+  {
+    cmRptPrintf(rpt,"%4s %3i %3i %3i", cmMidiStatusToLabel(tmp->status),tmp->u.chMsgPtr->ch,tmp->u.chMsgPtr->d0,tmp->u.chMsgPtr->d1);
+    
+  }
+  
+  cmRptPrintf(rpt,"\n");
+}
+
+void cmMidiFilePrintMsgs( cmMidiFileH_t h, cmRpt_t* rpt )
+{
+  const _cmMidiFile_t* p = _cmMidiFileHandleToPtr(h);
+  unsigned mi;
+  
+  _cmMidiFilePrintHdr(p,rpt);
+
+  for(mi=0; mi<p->msgN; ++mi)
+  {
+    cmMidiTrackMsg_t* mp = p->msgV[mi];
+
+    if( mp != NULL )
+      _cmMidiFilePrintMsg(rpt,mp);
+  }
+  
+}
+
+void cmMidiFilePrintTracks( cmMidiFileH_t h, unsigned trkIdx, cmRpt_t* rpt )
+{
+  const _cmMidiFile_t* mfp = _cmMidiFileHandleToPtr(h);
+
+  _cmMidiFilePrintHdr(mfp,rpt);
 
   int i = trkIdx == cmInvalidIdx ? 0         : trkIdx;
   int n = trkIdx == cmInvalidIdx ? mfp->trkN : trkIdx+1;
@@ -1410,17 +1426,7 @@ void cmMidiFilePrint( cmMidiFileH_t h, unsigned trkIdx, cmRpt_t* rpt )
     cmMidiTrackMsg_t* tmp = mfp->trkV[i].base;
     while( tmp != NULL )
     {
-      cmRptPrintf(rpt,"%5i ", tmp->dtick );
-
-      if( tmp->status == kMetaStId )
-        cmRptPrintf(rpt,"%s ", cmMidiMetaStatusToLabel(tmp->metaId)); 
-      else
-      {
-        cmRptPrintf(rpt,"%4s %3i %3i %3i", cmMidiStatusToLabel(tmp->status),tmp->u.chMsgPtr->ch,tmp->u.chMsgPtr->d0,tmp->u.chMsgPtr->d1);
-        
-      }
-
-      cmRptPrintf(rpt,"\n");
+      _cmMidiFilePrintMsg(rpt,tmp);
       tmp = tmp->link;
     }
   }  
@@ -1475,7 +1481,14 @@ void cmMidiFileTest( const char* fn, cmCtx_t* ctx )
     return;
   }
 
-  if(1)
+  if( 1 )
+  {
+    //cmMidiFileTickToMicros( h );
+    //cmMidiFileTickToSamples(h,96000,false);
+    cmMidiFilePrintMsgs(h,&ctx->rpt);
+  }
+
+  if( 0 )
   {
     //cmMidiFilePrint(h,cmMidiFileTrackCount(h)-1,&ctx->rpt);
     //cmMidiFilePrint(h,cmInvalidIdx,&ctx->rpt);

cmMidiFile.h

@@ -5,6 +5,7 @@
 extern "C" {
 #endif
 
+  //( { file_desc:"MIDI file reader and writer." kw:[midi file]}  
   // MIDI file timing:
   // Messages in the MIDI file are time tagged with a delta offset in 'ticks'
   // from the previous message in the same track.
@@ -22,9 +23,9 @@ extern "C" {
   //
   // As part of the file reading process, the status byte of note-on messages 
   // with velocity=0 are is changed to a note-off message. See _cmMidiFileReadChannelMsg().
-
-
-
+  //)
+  
+  //(
   typedef cmHandle_t cmMidiFileH_t;
   typedef unsigned   cmMfRC_t;
 
@@ -56,15 +57,17 @@ extern "C" {
     cmMidiByte_t ch;
     cmMidiByte_t d0;
     cmMidiByte_t d1;
-    unsigned     durTicks; // note duration calc'd by cmMidiFileCalcNoteDurations();
+    unsigned     durMicros;  // note duration in microseconds (corrected for tempo changes)
   } cmMidiChMsg_t;
 
 
   typedef struct cmMidiTrackMsg_str
   {
     unsigned                   uid;     // uid's are unique among all msg's in the file
-    unsigned                   dtick;   // delta ticks
-    unsigned                   atick;   // accumulated ticks
+    unsigned                   dtick;   // delta ticks between events on this track
+    unsigned                   dmicro;  // delta microseconds between events on this track adjusted for tempo changes
+    unsigned                   atick;   // global (all tracks interleaved) accumulated ticks
+    unsigned                   amicro;  // global (all tracks interleaved) accumulated microseconds adjusted for tempo changes
     cmMidiByte_t               status;  // ch msg's have the channel value removed (it is stored in u.chMsgPtr->ch)
     cmMidiByte_t               metaId;  //
     unsigned short             trkIdx;  //  
@@ -152,13 +155,6 @@ extern "C" {
 
   double                cmMidiFileDurSecs( cmMidiFileH_t h );
 
-  // Convert the track message 'dtick' field to delta-microseconds.
-  void                  cmMidiFileTickToMicros( cmMidiFileH_t h );
-
-  // Convert the track message 'dtick' field to samples.
-  // If the absFl is set then the delta times are converted to absolute time.
-  void                  cmMidiFileTickToSamples( cmMidiFileH_t h, double srate, bool absFl );
-
   // Calculate Note Duration 
   void                  cmMidiFileCalcNoteDurations( cmMidiFileH_t h );
 
@@ -171,10 +167,13 @@ extern "C" {
   cmMidiTrackMsg_t*     cmMidiFilePackTrackMsg( const cmMidiTrackMsg_t* m, void* buf, unsigned bufByteCnt );
   unsigned              cmMidiFilePackTrackMsgBufByteCount( const cmMidiTrackMsg_t* m );
 
-  void                  cmMidiFilePrint( cmMidiFileH_t h, unsigned trkIdx, cmRpt_t* rpt );
+  void                  cmMidiFilePrintMsgs( cmMidiFileH_t h, cmRpt_t* rpt );
+  void                  cmMidiFilePrintTrack( cmMidiFileH_t h, unsigned trkIdx, cmRpt_t* rpt );
   bool                  cmMidiFileIsNull( cmMidiFileH_t h );
   void                  cmMidiFileTest( const char* fn, cmCtx_t* ctx );
 
+  //)
+  
 #ifdef __cplusplus
 }
 #endif

cmMidiFilePlay.c

@@ -148,9 +148,6 @@ cmMfpRC_t cmMfpLoadHandle( cmMfpH_t h, cmMidiFileH_t mfH )
   p->mtime      = 0;
   p->closeFileFl= false;
 
-  //if( p->msgIdx > 0 )
-  //  p->mtime = p->msgV[0]->tick * p->microsPerTick;
-
   return kOkMfpRC;
 }
 
@@ -213,35 +210,31 @@ cmMfpRC_t cmMfpClock(  cmMfpH_t h, unsigned dusecs )
   // sent and the end of the time window for this mfpClock() cycle
   p->etime += dusecs;
 
-  //printf("init e:%i d:%i\n",p->etime, p->mtime);
-
   // if the elapsed time (etime) since the last msg is greater or equal
   // to the delta time to the next msg (mtime)
   while( p->etime >= p->mtime )
   {      
-    //printf("e:%i d:%i\n",p->etime, p->mtime);
 
-    if( mp->status == kMetaStId && mp->metaId == kTempoMdId )
-      _cmMfpUpdateMicrosPerTick(p,mp->u.iVal );
-    
-    
+    // send the current message
     p->cbFunc( p->userCbPtr, p->mtime, mp );
-      
+
+    unsigned amicro = mp->amicro;
+    
     ++(p->msgIdx);
 
     if( p->msgIdx >= p->msgN )
       break;
 
     // get the next msg to send
-    mp        = p->msgV[p->msgIdx];
+    mp   = p->msgV[p->msgIdx];
+
 
     // we probably went past the actual mtime - so update etime
     // with the delta usecs from the msg just sent and the current time
     p->etime -= p->mtime;
 
     // calc the delta usecs from the message just sent to the next msg to send
-    //p->mtime  = (mp->tick - p->msgV[p->msgIdx-1]->tick) * p->microsPerTick;
-    p->mtime  = mp->dtick * p->microsPerTick;
+    p->mtime  = mp->amicro - amicro;
 
   }
 

cmMidiFilePlay.h

@@ -5,53 +5,57 @@
 extern "C" {
 #endif
 
-typedef cmHandle_t cmMfpH_t;
-typedef cmRC_t     cmMfpRC_t;
-
-typedef void (*cmMfpCallback_t)( void* userCbPtr, unsigned dmicros, const cmMidiTrackMsg_t* msgPtr );
-
-enum
-{
-  kOkMfpRC = cmOkRC,            // 0
-  kInvalidHandleMfpRC,          // 1
-  kFileOpenFailMfpRC,           // 2 
-  kInvalidFileMfpRC,            // 3
-  kMemAllocFailMfpRC,           // 4
-  kSmpteTickNotImpleMfpRC,      // 5
-  kEndOfFileMfpRC,              // 6
-  kSmpteTickNotImplMfpRC        // 7
+  //( { file_desc:"Device indepenent MIDI file player." kw:[midi]}
   
-};
+  typedef cmHandle_t cmMfpH_t;
+  typedef cmRC_t     cmMfpRC_t;
+
+  typedef void (*cmMfpCallback_t)( void* userCbPtr, unsigned dmicros, const cmMidiTrackMsg_t* msgPtr );
+
+  enum
+  {
+    kOkMfpRC = cmOkRC,            // 0
+    kInvalidHandleMfpRC,          // 1
+    kFileOpenFailMfpRC,           // 2 
+    kInvalidFileMfpRC,            // 3
+    kMemAllocFailMfpRC,           // 4
+    kSmpteTickNotImpleMfpRC,      // 5
+    kEndOfFileMfpRC,              // 6
+    kSmpteTickNotImplMfpRC        // 7
+  
+  };
 
-extern cmMfpH_t cmMfpNullHandle;
+  extern cmMfpH_t cmMfpNullHandle;
 
-cmMfpRC_t cmMfpCreate(     cmMfpH_t* hp, cmMfpCallback_t cbFunc, void* userCbPtr, cmCtx_t* ctx );
-cmMfpRC_t cmMfpDestroy(    cmMfpH_t* hp );
-bool      cmMfpIsValid(    cmMfpH_t h );
+  cmMfpRC_t cmMfpCreate(     cmMfpH_t* hp, cmMfpCallback_t cbFunc, void* userCbPtr, cmCtx_t* ctx );
+  cmMfpRC_t cmMfpDestroy(    cmMfpH_t* hp );
+  bool      cmMfpIsValid(    cmMfpH_t h );
 
-// Load a MIDI file into the player. This MIDI file will be automatically
-// closed when a new file is loaded at a later time or the MIDI file player handle is destroyed.
-cmMfpRC_t cmMfpLoadFile(   cmMfpH_t h, const char* fn );
+  // Load a MIDI file into the player. This MIDI file will be automatically
+  // closed when a new file is loaded at a later time or the MIDI file player handle is destroyed.
+  cmMfpRC_t cmMfpLoadFile(   cmMfpH_t h, const char* fn );
 
-// Load a MIDI file into the player using a file owned by the host.
-// This file will NOT be closed when a new file is loaded at a later time
-// or the MIDI file player handle is destroyed.
-cmMfpRC_t cmMfpLoadHandle( cmMfpH_t h, cmMidiFileH_t mfH );
+  // Load a MIDI file into the player using a file owned by the host.
+  // This file will NOT be closed when a new file is loaded at a later time
+  // or the MIDI file player handle is destroyed.
+  cmMfpRC_t cmMfpLoadHandle( cmMfpH_t h, cmMidiFileH_t mfH );
 
-// Reset the play position of the player to an offset in microseconds from 
-// the beginning of the file.  If there are no message at or after 'offsMicrosecs'
-// then the function will return kEndOfFileMfpRC.
-cmMfpRC_t cmMfpSeek(       cmMfpH_t h, unsigned offsMicrosecs );
+  // Reset the play position of the player to an offset in microseconds from 
+  // the beginning of the file.  If there are no message at or after 'offsMicrosecs'
+  // then the function will return kEndOfFileMfpRC.
+  cmMfpRC_t cmMfpSeek(       cmMfpH_t h, unsigned offsMicrosecs );
 
-// This is the driving clock call for the player. 'deltaMicroSecs' is the
-// elapsed time in microseconds since the last call to this function.
-// Call to 'cbFunc', as set in by cmMfpCreate() occur from this function.
-cmMfpRC_t cmMfpClock(      cmMfpH_t h, unsigned deltaMicroSecs );
+  // This is the driving clock call for the player. 'deltaMicroSecs' is the
+  // elapsed time in microseconds since the last call to this function.
+  // Call to 'cbFunc', as set in by cmMfpCreate() occur from this function.
+  cmMfpRC_t cmMfpClock(      cmMfpH_t h, unsigned deltaMicroSecs );
 
-cmMfpRC_t cmMfpTest( const char* fn, cmCtx_t* ctx );
+  cmMfpRC_t cmMfpTest( const char* fn, cmCtx_t* ctx );
 
-cmRC_t cmMfpTest2( const char* midiFn, const char* audioFn, cmCtx_t* ctx );
+  cmRC_t cmMfpTest2( const char* midiFn, const char* audioFn, cmCtx_t* ctx );
 
+  //)
+  
 #ifdef __cplusplus
 }
 #endif

cmMidiPort.h

@@ -5,6 +5,8 @@
 extern "C" {
 #endif
 
+  //(  { file_desc:"Device independent MIDI port related code." kw:[midi]}
+
   typedef unsigned cmMpRC_t;
 
   // Flags used to identify input and output ports on MIDI devices
@@ -30,7 +32,9 @@ extern "C" {
   };
 
   typedef void (*cmMpCallback_t)( const cmMidiPacket_t* pktArray, unsigned pktCnt );
-
+  
+  //)
+  //(  { label:cmMpParser file_desc:"MIDI event parser converts raw MIDI events into cmMidiPacket_t messages." kw:[midi]}
 
   //===============================================================================================
   // MIDI Parser
@@ -62,6 +66,8 @@ extern "C" {
   // Returns true if the parser uses the given callback.
   bool          cmMpParserHasCallback(     cmMpParserH_t h, cmMpCallback_t cbFunc, void* cbDataPtr );
 
+  //)
+  //(  { label:cmMidiPort file_desc:"Device independent MIDI port." kw:[midi]}
 
   //===============================================================================================
   // MIDI Device Interface
@@ -92,7 +98,8 @@ extern "C" {
   void        cmMpReport( cmRpt_t* rpt );
 
   void cmMpTest( cmCtx_t* ctx );
-
+  //)
+  
 #ifdef __cplusplus
 }
 #endif

cmMsgProtocol.h

@@ -7,6 +7,7 @@
 extern "C" {
 #endif
 
+  //( { file_desc:"Global constants and data structures for transmiting messages between threads and network nodes.", kw:[real_time]}
   #define cmAudDspSys_FILENAME "aud_dsp.js"
 
 
@@ -134,6 +135,8 @@ extern "C" {
   cmMsgRC_t cmMsgPeekInstId(     const void* msgArray[], unsigned msgByteCntArray[], unsigned segCnt, unsigned* retValPtr );
   cmMsgRC_t cmMsgPeekInstVarId(  const void* msgArray[], unsigned msgByteCntArray[], unsigned segCnt, unsigned* retValPtr );
 
+  //)
+  
 #ifdef __cplusplus
 }
 #endif

cmPgmOpts.c

@@ -1250,7 +1250,7 @@ void cmPgmOptPrintHelp( cmPgmOptH_t h, cmRpt_t* rpt )
       reqLabel = reqStr;
 
     if( mstr != NULL )
-      cmRptPrintf(rpt,"Enumerated group: %s %s",mstr->mstrStr==NULL ? "" : mstr->mstrStr, cmIsFlag(mstr->cflags,kReqPoFl) ? reqStr : "" );
+      cmRptPrintf(rpt,"Enumerated group: %s %s\n",mstr->mstrStr==NULL ? "" : mstr->mstrStr, cmIsFlag(mstr->cflags,kReqPoFl) ? reqStr : "" );
    
     cmRptPrintf(rpt,"%s-%c --%s %s %s",indentStr,r->charId,r->wordId,valueTypeLabel,reqLabel);
 

cmPgmOpts.h

@@ -1,8 +1,8 @@
 #ifndef cmPgmOpts_h
 #define cmPgmOpts_h
 
-//{
-//(
+//( { file_desc:"Command line argument description and parsing API." kw:[base]}
+//
 // Command line program option syntax:
 //
 //
@@ -206,7 +206,6 @@ extern "C" {
   void cmPgmOptPrintParms(   cmPgmOptH_t h, cmRpt_t* rpt );
 
   //)
-  //}
 
 #ifdef __cplusplus
 }

cmPrefs.h

@@ -5,6 +5,8 @@
 extern "C" {
 #endif
 
+  //( { file_desc:"Manage persistent application preferences." kw:[base] }
+  
   typedef unsigned cmPrRC_t;
   typedef cmHandle_t cmPrH_t;
 
@@ -188,7 +190,8 @@ extern "C" {
 
   void cmPrefsTest( cmCtx_t* ctx, const char* ifn, const char* ofn );
     
-
+  //)
+  
 #ifdef __cplusplus
 }
 #endif

cmProc.h

@@ -5,7 +5,10 @@
 extern "C" {
 #endif
 
-  //------------------------------------------------------------------------------------------------------------
+  //( { file_desc:"Processor Library 1" kw:[proclib]}
+  //)
+
+  //( { label:cmAudioFileRd file_desc:"Audio file reader based on cmAudioFile" kw:[proc] }
   typedef struct
   {
     cmObj             obj;
@@ -23,28 +26,30 @@ extern "C" {
     cmMtxFile*        mfp;
   } cmAudioFileRd;
 
-  /// set p to NULL to dynamically allocate the object
-  /// fn and chIdx are optional - set fn to NULL to allocate the reader without opening a file.
-  /// If fn is valid then chIdx must also be valid.
-  /// Set 'endSmpIdx' to cmInvalidIdx to return the entire signal in cmAudioFileRdRead().
-  /// Set 'endSmpIdx' to 0 to return all samples between 0 and the end of the file.
+  // set p to NULL to dynamically allocate the object
+  // fn and chIdx are optional - set fn to NULL to allocate the reader without opening a file.
+  // If fn is valid then chIdx must also be valid.
+  // Set 'endSmpIdx' to cmInvalidIdx to return the entire signal in cmAudioFileRdRead().
+  // Set 'endSmpIdx' to 0 to return all samples between 0 and the end of the file.
   cmAudioFileRd*     cmAudioFileRdAlloc( cmCtx* c, cmAudioFileRd* p, unsigned procSmpCnt, const char* fn, unsigned chIdx, unsigned begSmpIdx, unsigned endSmpIdx );
   cmRC_t             cmAudioFileRdFree(  cmAudioFileRd** p );
   cmRC_t             cmAudioFileRdOpen(  cmAudioFileRd* p, unsigned procSmpCnt,  const cmChar_t* fn, unsigned chIdx, unsigned begSmpIdx, unsigned endSmpIdx ); 
   cmRC_t             cmAudioFileRdClose( cmAudioFileRd* p );  
 
 
-  /// Returns cmEofRC if the end of file is encountered.
+  // Returns cmEofRC if the end of file is encountered.
   cmRC_t             cmAudioFileRdRead(  cmAudioFileRd* p );
   cmRC_t             cmAudioFileRdSeek(  cmAudioFileRd* p, unsigned frmIdx );
 
-  /// Find the overall minimum, maximum, and mean sample values without changing the current file location.
+  // Find the overall minimum, maximum, and mean sample values without changing the current file location.
   cmRC_t             cmAudioFileRdMinMaxMean( cmAudioFileRd* p, unsigned chIdx, cmSample_t* minPtr, cmSample_t* maxPtr, cmSample_t* meanPtr );
 
+  //)
 
+  //( { label:cmShiftBuf file_desc:"Audio shift buffer processor" kw:[proc] }
   //------------------------------------------------------------------------------------------------------------
-  /// The buffer is intended to synchronize sample block rates between processes and to provide an overlapped 
-  /// input buffer.
+  // The buffer is intended to synchronize sample block rates between processes and to provide an overlapped 
+  // input buffer.
   typedef struct cmShiftBuf_str
   {
     cmObj       obj;
@@ -61,89 +66,36 @@ extern "C" {
 
 
 
-  /// Set p to NULL to dynamically allocate the object.  hopSmpCnt must be  <= wndSmpCnt.
+  // Set p to NULL to dynamically allocate the object.  hopSmpCnt must be  <= wndSmpCnt.
   cmShiftBuf*       cmShiftBufAlloc( cmCtx* c, cmShiftBuf* p, unsigned procSmpCnt, unsigned wndSmpCnt, unsigned hopSmpCnt );
   cmRC_t            cmShiftBufFree(  cmShiftBuf** p );
   cmRC_t            cmShiftBufInit(  cmShiftBuf* p, unsigned procSmpCnt, unsigned wndSmpCnt, unsigned hopSmpCnt );
   cmRC_t            cmShiftBufFinal( cmShiftBuf* p );
 
-  /// Returns true if a new hop is ready to be read otherwise returns false.
-  /// In general cmShiftBufExec() should be called in a loop until it returns false. 
-  /// Note that 'sp' and 'sn' are ignored except for the first call after the function returns false.
-  /// This means that when called in a loop 'sp' and 'sn' are only used on the first time through the loop.
-  /// When procSmpCnt is less than hopSmpCnt the loop will only execute when at least wndSmpCnt 
-  /// new samples have been buffered.
-  /// When procSmpCnt is greater than hopSmpCnt the loop will execute multiple times until less 
+  // Returns true if a new hop is ready to be read otherwise returns false.
+  // In general cmShiftBufExec() should be called in a loop until it returns false. 
+  // Note that 'sp' and 'sn' are ignored except for the first call after the function returns false.
+  // This means that when called in a loop 'sp' and 'sn' are only used on the first time through the loop.
+  // When procSmpCnt is less than hopSmpCnt the loop will only execute when at least wndSmpCnt 
+  // new samples have been buffered.
+  // When procSmpCnt is greater than hopSmpCnt the loop will execute multiple times until less 
   //  than wndSmpCnt new samples are available.
-  /// Note that 'sn' must always be less than or equal to procSmpCnt.
-  ///
-  /// Example:
-  /// while( fill(sp,sn) )                      // fill sp[] with sn samples
-  /// {
-  ///    // shift by hopSmpCnt samples on all passes - insert new samples on first pass
-  ///    while( cmShiftBufExec(p,sp,sn) )       
-  ///       proc(p->outV,p->outN);              // process p->outV[wndSmpCnt]
-  /// }
+  // Note that 'sn' must always be less than or equal to procSmpCnt.
+  //
+  // Example:
+  // while( fill(sp,sn) )                      // fill sp[] with sn samples
+  // {
+  //    // shift by hopSmpCnt samples on all passes - insert new samples on first pass
+  //    while( cmShiftBufExec(p,sp,sn) )       
+  //       proc(p->outV,p->outN);              // process p->outV[wndSmpCnt]
+  // }
   bool              cmShiftBufExec(  cmShiftBuf* p, const cmSample_t* sp, unsigned sn );
 
   void              cmShiftBufTest( cmCtx* c );
-
-
   //------------------------------------------------------------------------------------------------------------
-  /*
-  typedef struct
-  {
-    cmComplexS_t*   complexV;
-    cmSample_t*     outV;
-    cmFftPlanS_t     plan;
-  } cmIFftObjS;
-
-  typedef struct
-  {
-    cmComplexR_t*   complexV;
-    cmReal_t*       outV;
-    cmFftPlanR_t    plan;
-  } cmIFftObjR;
-
-  typedef struct
-  {
-    cmObj           obj;
-    unsigned        binCnt;
-    unsigned        outN;
-
-    union 
-    {
-      cmIFftObjS sr;
-      cmIFftObjR rr;
-    }u;
-  
-  } cmIFft;
-
-  cmIFft*  cmIFftAllocS( cmCtx* c, cmIFft* p, unsigned binCnt );
-  cmIFft*  cmIFftAllocR( cmCtx* c, cmIFft* p, unsigned binCnt );
-
-  cmRC_t   cmIFftFreeS(  cmIFft** pp );
-  cmRC_t   cmIFftFreeR(  cmIFft** pp );
-
-  cmRC_t   cmIFftInitS(  cmIFft* p, unsigned binCnt );
-  cmRC_t   cmIFftInitR(  cmIFft* p, unsigned binCnt );
-
-  cmRC_t   cmIFftFinalS( cmIFft* p );
-  cmRC_t   cmIFftFinalR( cmIFft* p );
+  //)
 
-  // x must contain 'binCnt' elements.
-  cmRC_t   cmIFftExecS(     cmIFft* p, cmComplexS_t* x );
-  cmRC_t   cmIFftExecR(     cmIFft* p, cmComplexR_t* x );
-
-  cmRC_t   cmIFftExecPolarS( cmIFft* p, const cmReal_t* magV, const cmReal_t* phsV ); 
-  cmRC_t   cmIFftExecPolarR( cmIFft* p, const cmReal_t* magV, const cmReal_t* phsV ); 
-
-  cmRC_t   cmIFftExecRectS(  cmIFft* p, const cmReal_t* rV,   const cmReal_t* iV );
-  cmRC_t   cmIFftExecPolarR( cmIFft* p, const cmReal_t* magV, const cmReal_t* phsV ); 
-
-  void cmIFftTest( cmRpt_t* rptFuncPtr );
-  */
-  //------------------------------------------------------------------------------------------------------------
+  //( { label:cmWindowFunc file_desc:"Fourier Transform window function generator." kw:[proc]}
 
   enum
   {
@@ -174,8 +126,8 @@ extern "C" {
     cmMtxFile*  mfp;
   } cmWndFunc;
 
-  /// Set p to NULL to dynamically allocate the object
-  /// if wndId is set to a valid value this function will internally call cmWndFuncInit()
+  // Set p to NULL to dynamically allocate the object
+  // if wndId is set to a valid value this function will internally call cmWndFuncInit()
   cmWndFunc*  cmWndFuncAlloc( cmCtx* c, cmWndFunc* p, unsigned wndId, unsigned wndSmpCnt, double kaierSideLobeRejectDb );
   cmRC_t      cmWndFuncFree(  cmWndFunc** pp );
   cmRC_t      cmWndFuncInit(  cmWndFunc* p, unsigned wndId, unsigned wndSmpCnt, double kaiserSideLobeRejectDb );
@@ -184,9 +136,11 @@ extern "C" {
 
 
   void cmWndFuncTest( cmRpt_t* rpt, cmLHeapH_t lhH, cmSymTblH_t stH );
-
   //------------------------------------------------------------------------------------------------------------
-  /// Spectral frame delay. A circular buffer for spectral (or other fixed length) vectors.
+  //)
+
+  //( { label:cmSpecDelay file_desc:"Spectral frame delay. A circular buffer for spectral (or other fixed length) vectors." kw:[proc]}
+  
   typedef struct
   {
     cmObj       obj;
@@ -197,24 +151,25 @@ extern "C" {
   } cmSpecDelay;
 
 
-  /// Set p to NULL to dynamically allocate the object.
-  /// Allocate a spectral frame delay capable of delaying for 'maxDelayCnt' hops and 
-  /// where each vector contains 'binCnt' elements.
+  // Set p to NULL to dynamically allocate the object.
+  // Allocate a spectral frame delay capable of delaying for 'maxDelayCnt' hops and 
+  // where each vector contains 'binCnt' elements.
   cmSpecDelay*      cmSpecDelayAlloc( cmCtx* c, cmSpecDelay* p, unsigned maxDelayCnt, unsigned binCnt );
   cmRC_t            cmSpecDelayFree(  cmSpecDelay** p );
 
   cmRC_t            cmSpecDelayInit( cmSpecDelay* p, unsigned maxDelayCnt, unsigned binCnt );
   cmRC_t            cmSpecDelayFinal(cmSpecDelay* p );
 
-  /// Give an input vector to the delay. 'sn' must <= binCnt
+  // Give an input vector to the delay. 'sn' must <= binCnt
   cmRC_t            cmSpecDelayExec(  cmSpecDelay* p, const cmSample_t* sp, unsigned sn );
 
-  /// Get a pointer to a delayed vector. 'delayCnt' indicates the length of the delay in hops.
-  /// (e.g. 1 is the previous hop, 2 is two hops previous, ... )
+  // Get a pointer to a delayed vector. 'delayCnt' indicates the length of the delay in hops.
+  // (e.g. 1 is the previous hop, 2 is two hops previous, ... )
   const cmSample_t* cmSpecDelayOutPtr(cmSpecDelay* p, unsigned delayCnt );
-
-
   //------------------------------------------------------------------------------------------------------------
+  //)
+  
+  //( { label:cmFilter file_desc:"General purpose, LTI, Octave compatible, filter." kw:[proc] }
   typedef struct cmFilter_str
   {
     cmObj     obj;
@@ -257,9 +212,10 @@ extern "C" {
 
   void      cmFilterTest( cmRpt_t* rpt, cmLHeapH_t lhH, cmSymTblH_t stH );
   void      cmFilterFilterTest( cmRpt_t* rpt, cmLHeapH_t lhH, cmSymTblH_t stH );
-
-
   //------------------------------------------------------------------------------------------------------------
+  //)
+
+  //( { label:cmComplexDetect file_desc:"Complex domain onset detection function." kw:[proc] }
   typedef struct
   {
     cmObj        obj;
@@ -271,14 +227,16 @@ extern "C" {
     //unsigned     cdfSpRegId;
   } cmComplexDetect;
 
-  /// Set p to NULL to dynamically allocate the object.
+  // Set p to NULL to dynamically allocate the object.
   cmComplexDetect* cmComplexDetectAlloc(cmCtx* c, cmComplexDetect* p, unsigned binCnt );
   cmRC_t           cmComplexDetectFree( cmComplexDetect** pp);
   cmRC_t           cmComplexDetectInit( cmComplexDetect* p, unsigned binCnt );
   cmRC_t           cmComplexDetectFinal(cmComplexDetect* p);
   cmRC_t           cmComplexDetectExec( cmComplexDetect* p, const cmSample_t* magV, const cmSample_t* phsV, unsigned binCnt  );
-
   //------------------------------------------------------------------------------------------------------------
+  //)
+
+  //( { label:cmComplexOnset file_desc:"Complex onset detection function" kw:[proc]}
   typedef struct
   {
     cmObj        obj;
@@ -298,8 +256,10 @@ extern "C" {
   cmRC_t          cmComplexOnsetFinal( cmComplexOnset* p);
   cmRC_t          cmComplexOnsetExec(  cmComplexOnset* p, cmSample_t cdf );
   cmRC_t          cmComplexOnsetCalc(  cmComplexOnset* p );
-
   //------------------------------------------------------------------------------------------------------------
+  //)
+
+  //( { label:cmMfcc file_desc:"Mel Frequency Cepstral Coefficient (MFCC) measurement function." kw:[proc] }
   typedef struct
   {
     cmObj       obj;
@@ -321,8 +281,10 @@ extern "C" {
   cmRC_t  cmMfccExecPower(      cmMfcc* p, const cmReal_t* magPowV, unsigned binCnt );
   cmRC_t  cmMfccExecAmplitude(  cmMfcc* p, const cmReal_t* magAmpV, unsigned binCnt );
   void    cmMfccTest();
-
   //------------------------------------------------------------------------------------------------------------
+  //)
+
+  //( { label:cmSones file_desc:"Sones measurement function." kw:[proc] }
   typedef struct
   {
     cmObj       obj;
@@ -350,8 +312,10 @@ extern "C" {
   cmRC_t   cmSonesExec(  cmSones*  p, const cmReal_t* magPowV, unsigned binCnt ); 
 
   void     cmSonesTest();
-
   //------------------------------------------------------------------------------------------------------------
+  //)
+
+  //( { label: cmAudioOffsetScale file_desc:"Audio signal pre-processing normalizer." kw:[proc] }
   typedef struct
   {
     cmObj             obj;
@@ -371,15 +335,15 @@ extern "C" {
   } cmAudioOffsetScale;
 
 
-  /// This processor adds an offset to an audio signal and scales into dB (SPL) using one of two techniques
-  /// 1) Measures the effective sound pressure (via RMS) and then scales the signal to the reference dB (SPL) 
-  ///    In this case dBref is commonly set to 70. See Timony, 2004, Implementing Loudness Models in Matlab.
-  /// 
-  /// 2) treats the dBref as the maximum dB (SPL) and scales the signal by this amount without regard
-  ///    measured signal level.  In this case dBref is commonly set to 96 (max. dB (SPL) value for 16 bits)
-  ///    and rmsWndSecs is ignored.
-  ///
-  /// Note that setting rmsWndSecs to zero has the effect of using procSmpCnt as the window length.
+  // This processor adds an offset to an audio signal and scales into dB (SPL) using one of two techniques
+  // 1) Measures the effective sound pressure (via RMS) and then scales the signal to the reference dB (SPL) 
+  //    In this case dBref is commonly set to 70. See Timony, 2004, Implementing Loudness Models in Matlab.
+  // 
+  // 2) treats the dBref as the maximum dB (SPL) and scales the signal by this amount without regard
+  //    measured signal level.  In this case dBref is commonly set to 96 (max. dB (SPL) value for 16 bits)
+  //    and rmsWndSecs is ignored.
+  //
+  // Note that setting rmsWndSecs to zero has the effect of using procSmpCnt as the window length.
 
   enum { kNoAudioScaleFl=0x01, kRmsAudioScaleFl=0x02, kFixedAudioScaleFl=0x04 };
 
@@ -388,8 +352,10 @@ extern "C" {
   cmRC_t        cmAudioOffsetScaleInit(  cmAudioOffsetScale* p, unsigned procSmpCnt, double srate, cmSample_t offset, double rmsWndSecs, double dBref, unsigned flags );
   cmRC_t        cmAudioOffsetScaleFinal( cmAudioOffsetScale* p );
   cmRC_t        cmAudioOffsetScaleExec(  cmAudioOffsetScale* p, const cmSample_t* sp, unsigned sn );
-
   //------------------------------------------------------------------------------------------------------------
+  //)
+
+  //( { label:cmSpecMeas file_desc:"Measure a signals RMS, High-Frequency Content, Spectral Centroid, and Spectral Spread." kw:[proc]}
   typedef struct
   {
     cmObj      obj;
@@ -422,10 +388,10 @@ extern "C" {
     unsigned ssSpRegId;
   } cmSpecMeas;
 
-  /// Set wndFrmCnt to the number of spectral frames to take the measurement over.
-  /// Setting wndFrmCnt to 1 has the effect of calculating the value on the current frame only.
-  /// Set flags = kWholeSigSpecMeasFl to ignore wndFrmCnt and calculate the result on the entire signal.
-  /// In effect this treats the entire signal as the length of the measurement window.
+  // Set wndFrmCnt to the number of spectral frames to take the measurement over.
+  // Setting wndFrmCnt to 1 has the effect of calculating the value on the current frame only.
+  // Set flags = kWholeSigSpecMeasFl to ignore wndFrmCnt and calculate the result on the entire signal.
+  // In effect this treats the entire signal as the length of the measurement window.
   enum { kWholeSigSpecMeasFl=0x00, kUseWndSpecMeasFl=0x01 };
 
   cmSpecMeas* cmSpecMeasAlloc( cmCtx* c, cmSpecMeas* p, double srate, unsigned binCnt, unsigned wndFrmCnt, unsigned flags );
@@ -433,8 +399,10 @@ extern "C" {
   cmRC_t      cmSpecMeasInit(  cmSpecMeas* p, double srate, unsigned binCnt, unsigned wndFrmCnt, unsigned flags );
   cmRC_t      cmSpecMeasFinal( cmSpecMeas* p );
   cmRC_t      cmSpecMeasExec(  cmSpecMeas* p, const cmReal_t* magPowV, unsigned binCnt ); 
-
   //------------------------------------------------------------------------------------------------------------
+  //)
+
+  //( { label:cmSigMeas file_desc:"Measure a time domain signals zero crossing rate." kw:[proc]}
   typedef struct
   {
     cmObj       obj;
@@ -456,8 +424,10 @@ extern "C" {
   cmRC_t     cmSigMeasInit(  cmSigMeas* p, double srate, unsigned procSmpCnt, unsigned measSmpCnt );
   cmRC_t     cmSigMeasFinal( cmSigMeas* p );
   cmRC_t     cmSigMeasExec(  cmSigMeas* p, const cmSample_t* sigV, unsigned smpCnt );
-
   //------------------------------------------------------------------------------------------------------------
+  //)
+
+  //( { label:cmSRC file_desc:"Sample rate converter" kw:[proc] }
   typedef struct
   {
     cmObj        obj;
@@ -476,7 +446,7 @@ extern "C" {
 
   } cmSRC;
 
-  /// The srate paramater is the sample rate of the source signal provided via cmSRCExec()
+  // The srate paramater is the sample rate of the source signal provided via cmSRCExec()
   cmSRC* cmSRCAlloc( cmCtx* c, cmSRC* p, double srate, unsigned procSmpCnt, unsigned upFact, unsigned dnFact );
   cmRC_t cmSRCFree(  cmSRC** pp );
   cmRC_t cmSRCInit(  cmSRC* p, double srate, unsigned procSmpCnt, unsigned upFact, unsigned dnFact );
@@ -484,8 +454,10 @@ extern "C" {
   cmRC_t cmSRCExec(  cmSRC* p, const cmSample_t* sp, unsigned sn );
 
   void   cmSRCTest();
-
   //------------------------------------------------------------------------------------------------------------
+  //)
+
+  //( { label:cmConstQ file_desc:"Contant-Q transform." kw:[proc] }
   typedef struct
   {
     cmObj           obj;
@@ -510,9 +482,10 @@ extern "C" {
   cmRC_t    cmConstQInit(  cmConstQ* p, double srate, unsigned minMidiPitch, unsigned maxMidiPitch, unsigned binsPerOctave, double thresh );
   cmRC_t    cmConstQFinal( cmConstQ* p );
   cmRC_t    cmConstQExec(  cmConstQ* p, const cmComplexR_t* ftV, unsigned binCnt );
-
-
   //------------------------------------------------------------------------------------------------------------
+  //)
+  
+  //( { label:cmTuneHpcp file_desc:"Generate a tuned chromagram." kw:[proc]}
   typedef struct
   {
     cmObj     obj;
@@ -545,10 +518,10 @@ extern "C" {
   cmRC_t         cmTunedHpcpFinal( cmHpcp* p );
   cmRC_t         cmTunedHpcpExec(  cmHpcp* p, const cmComplexR_t* constQBinPtr, unsigned constQBinCnt );
   cmRC_t         cmTunedHpcpTuneAndFilter( cmHpcp* p);
-
-
-  //------------------------------------------------------------------------------------------------------------
   //------------------------------------------------------------------------------------------------------------
+  //)
+
+  //( { label:cmBeatHist file_desc:"Generate a beat candidate histogram." kw:[proc]}
 
   struct cmFftRR_str;
   struct cmIFftRR_str;
@@ -579,9 +552,11 @@ extern "C" {
   cmRC_t      cmBeatHistFinal( cmBeatHist* p );
   cmRC_t      cmBeatHistExec(  cmBeatHist* p, cmSample_t df );
   cmRC_t      cmBeatHistCalc(  cmBeatHist* p );
-
   //------------------------------------------------------------------------------------------------------------
-  // Gaussian Mixture Model containing N Gaussian PDF's each of dimension D
+  //)
+
+  //( { label:cmGmm file_desc"Gaussian Mixture Model containing N Gaussian PDF's each of dimension D." kw:[proc model]}
+  
   typedef struct
   {
     cmObj     obj;
@@ -639,9 +614,11 @@ extern "C" {
   void     cmGmmPrint( cmGmm_t* p, bool detailsFl );
 
   void     cmGmmTest( cmRpt_t* rpt, cmLHeapH_t lhH, cmSymTblH_t stH );
-
   //------------------------------------------------------------------------------------------------------------
-  // Continuous Hidden Markov Model
+  //)
+  
+  //( { label:cmChmm file_desc:"Continuous Hidden Markov Model" kw:[proc model]}
+  
   typedef struct
   {
     cmObj       obj;
@@ -652,9 +629,7 @@ extern "C" {
     cmReal_t*   aM;       // aM[ N x N] transition probability mtx
     cmGmm_t**   bV;       // bV[ N ] observation probability mtx (array of pointers to GMM's) 
     cmReal_t*   bM;       // bM[ N,T]  state-observation probability matrix 
-
     cmMtxFile* mfp;
-
   } cmChmm_t;
 
   // Continuous HMM consisting of stateN states where the observations 
@@ -706,10 +681,11 @@ extern "C" {
   void      cmChmmPrint(    cmChmm_t* p );
 
   void      cmChmmTest( cmRpt_t* rpt, cmLHeapH_t lhH, cmSymTblH_t stH  );
+  //------------------------------------------------------------------------------------------------------------
+  //)
 
 
-  //------------------------------------------------------------------------------------------------------------
-  // Chord recognizer
+  //( { label:cmChord file_desc:"HMM based chord recognizer." kw:[proc]}
 
   typedef struct 
   {
@@ -739,14 +715,16 @@ extern "C" {
     cmReal_t  cdtsVar;      
 
   } cmChord;
-
+  
   cmChord*   cmChordAlloc( cmCtx* c, cmChord*  p, const cmReal_t* chromaM, unsigned T );
   cmRC_t     cmChordFree(  cmChord** p );
   cmRC_t     cmChordInit(  cmChord*  p, const cmReal_t* chromaM, unsigned T );
   cmRC_t     cmChordFinal( cmChord*  p );
 
   void       cmChordTest( cmRpt_t* rpt, cmLHeapH_t lhH, cmSymTblH_t stH ); 
-
+  //------------------------------------------------------------------------------------------------------------
+  //)
+  
 #ifdef __cplusplus
 }
 #endif

cmProc2.c

@@ -5950,7 +5950,8 @@ cmSpecDist_t* cmSpecDistAlloc( cmCtx* ctx,cmSpecDist_t* ap, unsigned procSmpCnt,
 
   //p->iSpecVa   = cmVectArrayAlloc(ctx,kRealVaFl);
   //p->oSpecVa   = cmVectArrayAlloc(ctx,kRealVaFl);
-
+  p->statVa     = cmVectArrayAlloc(ctx,kDoubleVaFl);
+  
   if( procSmpCnt != 0 )
   {
     if( cmSpecDistInit( p, procSmpCnt, srate, wndSmpCnt, hopFcmt, olaWndTypeId ) != cmOkRC )
@@ -5971,6 +5972,7 @@ cmRC_t cmSpecDistFree( cmSpecDist_t** pp )
   cmSpecDistFinal(p);
   //cmVectArrayFree(&p->iSpecVa);
   //cmVectArrayFree(&p->oSpecVa);
+  cmVectArrayFree(&p->statVa);
   cmMemPtrFree(&p->hzV);
   cmMemPtrFree(&p->iSpecM);
   cmMemPtrFree(&p->oSpecM);
@@ -6095,7 +6097,8 @@ cmRC_t cmSpecDistFinal(cmSpecDist_t* p )
 
   //cmVectArrayWrite(p->iSpecVa, "/home/kevin/temp/frqtrk/iSpec.va");
   //cmVectArrayWrite(p->oSpecVa, "/home/kevin/temp/expand/oSpec.va");
-
+  //cmVectArrayWrite(p->statVa, "/Users/kevin/temp/kc/state.va");
+  
   cmPvAnlFree(&p->pva);
   cmPvSynFree(&p->pvs);
   //cmFrqTrkFree(&p->ft);
@@ -6111,6 +6114,7 @@ void _cmSpecDistBasicMode0(cmSpecDist_t* p, cmReal_t* X1m, unsigned binCnt, cmRe
   // octave> -abs(abs(X1m+thresh)-(X1m+thresh)) - thresh
   // octave> ans = -64  -62  -60  -60
 
+  /*
   unsigned i=0;
   for(i=0; i<binCnt; ++i)
   {
@@ -6123,7 +6127,13 @@ void _cmSpecDistBasicMode0(cmSpecDist_t* p, cmReal_t* X1m, unsigned binCnt, cmRe
       X1m[i] -= 2*d;
 
   }
+  */
 
+  unsigned i=0;
+  for(i=0; i>binCnt; ++i)
+  {
+    X1m[i] = -fabs(fabs(X1m[i]-thresh) - (X1m[i]-thresh)) - thresh;
+  }
 
 }
 
@@ -6322,6 +6332,8 @@ cmRC_t  cmSpecDistExec( cmSpecDist_t* p, const cmSample_t* sp, unsigned sn )
       cmVOR_MeanM2(p->iSpecV, p->iSpecM, p->hN, p->pva->binCnt, 0, cmMin(p->fi+1,p->hN));
     }
 
+    cmVOR_PowVS(X1m,p->pva->binCnt,2.0);
+
     cmVOR_AmplToDbVV(X1m, p->pva->binCnt, p->pva->magV, -1000.0 );
     //cmVOR_AmplToDbVV(X1m, p->pva->binCnt, X1m, -1000.0 );
 
@@ -6369,7 +6381,6 @@ cmRC_t  cmSpecDistExec( cmSpecDist_t* p, const cmSample_t* sp, unsigned sn )
 
     cmVOR_DbToAmplVV(X1m, p->pva->binCnt, X1m );
 
-
     // run and apply the tracker/supressor
     //cmFrqTrkExec(p->ft, X1m, p->pva->phsV, NULL ); 
     //cmVOR_MultVV(X1m, p->pva->binCnt,p->ft->aV );
@@ -6393,6 +6404,12 @@ cmRC_t  cmSpecDistExec( cmSpecDist_t* p, const cmSample_t* sp, unsigned sn )
       p->ogain *= a0;
     }
 
+    double g = u0/u1;
+    p->ogain0 = g + (p->ogain0 * .98);
+
+    //double v[] = { u0, u1, p->ogain, p->ogain0 };
+    //cmVectArrayAppendD(p->statVa,v,sizeof(v)/sizeof(v[0]));
+
     cmVOR_MultVS(X1m,p->pva->binCnt,cmMin(4.0,p->ogain));
 
 

cmProc2.h

@@ -5,7 +5,11 @@
 extern "C" {
 #endif
 
-  //------------------------------------------------------------------------------------------------------------
+  //( { file_desc:"Processor Library 2" kw:[proclib]}
+  //)
+
+  //( { label:cmArray file_desc:"Expandable array designed to work easily with the cmProcObj model" kw:[proc]}
+  
   // cmArray is an expandable array designed to work easily with the alloc/init/final/free model
   // used by this library.  The arrays can be safely used by using the cmArrayAllocXXX macros 
   // with static cmArray member fields during object allocation. cmArrayResizeXXX macros are then
@@ -53,8 +57,10 @@ extern "C" {
 #define cmArrayPtr(     type, p )            (type*)(p)->ptr
 #define cmArrayCount(   p )                  (p)->eleCnt
 
-
   //------------------------------------------------------------------------------------------------------------
+  //)
+  //( { label:cmAudioFileWr file_desc:"Audio file writer" kw:[proc]}
+    
   typedef struct
   {
     cmObj         obj;
@@ -72,8 +78,10 @@ extern "C" {
   cmRC_t             cmAudioFileWrFinal( cmAudioFileWr* p );
   cmRC_t             cmAudioFileWrExec(  cmAudioFileWr* p, unsigned chIdx, const cmSample_t* sp, unsigned sn );
   void               cmAudioFileWrTest();
-
   //------------------------------------------------------------------------------------------------------------
+  //)
+  
+  //( { label:cmMatrixBuf file_desc:"Store and recall real values in matrix form." kw:[proc]}
   typedef struct
   {
     cmObj      obj;
@@ -98,6 +106,9 @@ extern "C" {
 
 
   //------------------------------------------------------------------------------------------------------------
+  //)
+
+  //( { label:cmSigGen file_desc:"Generate periodic and noise signals." kw:[proc]}
 
   enum
   {
@@ -139,6 +150,9 @@ extern "C" {
   cmRC_t    cmSigGenExec(  cmSigGen*  p );
 
   //------------------------------------------------------------------------------------------------------------
+  //)
+  
+  //( { label:cmDelay file_desc:"Fixed length audio delay." kw:[proc]}
   typedef struct
   {
     cmObj*      obj;
@@ -160,8 +174,10 @@ extern "C" {
   cmRC_t            cmDelayAdvance( cmDelay* p, unsigned sn );
   cmRC_t            cmDelayExec(    cmDelay* p, const cmSample_t* sp, unsigned sn, bool bypassFl );
   void              cmDelayTest();
-
   //------------------------------------------------------------------------------------------------------------
+  //)
+  
+  //( { label:cmFIR file_desc:"Finite impulse response filter." kw:[proc]}
   typedef struct
   {
     cmObj       obj;
@@ -192,10 +208,11 @@ extern "C" {
   cmRC_t cmFIRExec(       cmFIR* p, const cmSample_t* sp, unsigned sn );
   void   cmFIRTest0( cmRpt_t* rpt, cmLHeapH_t lhH, cmSymTblH_t stH );
   void   cmFIRTest1( cmCtx* ctx );
-  
-  //------------------------------------------------------------------------------------------------------------
-  // Apply a generic function to a windowed signal with a one sample hop size.
 
+  //------------------------------------------------------------------------------------------------------------
+  //)
+  
+  //( { label:cmFuncFilter file_desc:"Apply a generic function to a windowed signal with a one sample hop size.." kw:[proc]}
   typedef cmSample_t (*cmFuncFiltPtr_t)( const cmSample_t* sp, unsigned sn, void* userPtr );
 
   typedef struct
@@ -217,8 +234,10 @@ extern "C" {
   cmRC_t        cmFuncFilterFinal( cmFuncFilter* p );
   cmRC_t        cmFuncFilterExec(  cmFuncFilter* p, const cmSample_t* sp, unsigned sn );
   void          cmFuncFilterTest();
-
   //------------------------------------------------------------------------------------------------------------
+  //)
+  
+  //( { label:cmDhmm file_desc:"Discrete observation HMM" kw:[proc]}
   typedef struct
   {
     cmObj           obj;
@@ -245,6 +264,9 @@ extern "C" {
   void    cmDhmmTest();
 
   //------------------------------------------------------------------------------------------------------------
+  //)
+  
+  //( { label:cmConvolve file_desc:"Convolve a signal with an impulse response." kw:[proc]}
   typedef struct
   {
     cmObj     obj;
@@ -285,6 +307,9 @@ extern "C" {
   cmRC_t      cmConvolveTest( cmRpt_t* rpt, cmLHeapH_t lhH, cmSymTblH_t stH );
 
   //------------------------------------------------------------------------------------------------------------
+  //)
+
+  //( { label:cmBfcc file_desc:"Generate Bark Frequency Cepstral Coefficients from STFT frames." kw:[proc]}
   typedef struct
   {
     cmObj     obj; 
@@ -304,6 +329,8 @@ extern "C" {
   void    cmBfccTest( cmRpt_t* rpt, cmLHeapH_t lhH, cmSymTblH_t stH );
 
   //------------------------------------------------------------------------------------------------------------
+  //)
+  //( { label:cmCepstrum file_desc:"Generate Cepstral Coefficients from STFT frames." kw:[proc]}
   typedef struct
   {
     cmObj     obj; 
@@ -324,7 +351,10 @@ extern "C" {
   cmRC_t  cmCepsFinal( cmCeps* p );
   cmRC_t  cmCepsExec(  cmCeps* p, const cmReal_t* magV, const cmReal_t* phsV, unsigned binCnt );
 
+  //------------------------------------------------------------------------------------------------------------
+  //)
 
+  //( { label:cmOla file_desc:"Generate a signal from an via overlap-add." kw:[proc]}
   //------------------------------------------------------------------------------------------------------------
   typedef struct
   {
@@ -355,9 +385,10 @@ extern "C" {
   cmRC_t cmOlaExecS( cmOla* p, const cmSample_t* xV, unsigned xN );
   cmRC_t cmOlaExecR( cmOla* p, const cmReal_t*   xV, unsigned xN );
   const cmSample_t* cmOlaExecOut(cmOla* p );
+  //------------------------------------------------------------------------------------------------------------
+  //)
 
-
-
+  //( { label:cmPhsToFrq file_desc:"Given STFT phase spectrum frames return the instantaneous frequency." kw:[proc]}
   //------------------------------------------------------------------------------------------------------------
 
   typedef struct
@@ -380,9 +411,11 @@ extern "C" {
   cmRC_t  cmPhsToFrqFinal(cmPhsToFrq*  p );
   cmRC_t  cmPhsToFrqExec( cmPhsToFrq*  p, const cmReal_t* phsV );
  
-
   //------------------------------------------------------------------------------------------------------------
-
+  //)
+  
+  //( { label:cmPvAnl file_desc:"Perform the phase-vocoder analysis stage." kw:[proc]}
+ 
   enum 
   {
     kNoCalcHzPvaFl = 0x00,
@@ -420,6 +453,8 @@ extern "C" {
   bool     cmPvAnlExec( cmPvAnl* p, const cmSample_t* x, unsigned xN );
 
   //------------------------------------------------------------------------------------------------------------
+  //)
+  //( { label:cmPvSyn file_desc:"Perform the phase-vocoder synthesis stage." kw:[proc]}
 
   typedef struct
   {
@@ -451,11 +486,10 @@ extern "C" {
   cmRC_t     cmPvSynExec( cmPvSyn* p, const cmReal_t* magV, const cmReal_t* phsV );
   const cmSample_t* cmPvSynExecOut(cmPvSyn* p );
 
-
-
   //------------------------------------------------------------------------------------------------------------
-
-
+  //)
+  
+  //( { label:cmMidiSynth file_desc:"Synthesis independent MIDI synthesizer control structure." kw:[proc]}
   // callback selector values
   enum
   {
@@ -532,8 +566,10 @@ extern "C" {
   cmRC_t       cmMidiSynthOnMidi(cmMidiSynth* p, const cmMidiPacket_t* pktArray, unsigned pktCnt );
   cmRC_t       cmMidiSynthExec(  cmMidiSynth* p, cmSample_t** outChArray, unsigned outChCnt );
 
-
   //------------------------------------------------------------------------------------------------------------
+  //)
+
+  //( { label:cmWtVoice file_desc:"Wavetable oscillator implementation for use with cmMidiSyn." kw:[proc]}
 
   // state id's
   enum
@@ -568,6 +604,8 @@ extern "C" {
 
 
   //------------------------------------------------------------------------------------------------------------
+  //)
+  //( { label:cmWtVoiceBank file_desc:"A bank of cmWtVoice oscillator for use with cmMidiSynth." kw:[proc]}
 
   typedef struct
   {
@@ -596,8 +634,9 @@ extern "C" {
   int        cmWtVoiceBankExec( cmWtVoiceBank* p, struct cmMidiVoice_str* voicePtr, unsigned sel, cmSample_t* chArray[], unsigned chCnt );
 
 
-
   //------------------------------------------------------------------------------------------------------------
+  //)
+  //( { label:cmAudioFileBuf file_desc:"Generate a signal by caching all or part of an audio file." kw:[proc]}
 
   typedef struct
   {
@@ -620,8 +659,10 @@ extern "C" {
   // If less than outN samples are available then the remaining samples are set to 0.  
   unsigned        cmAudioFileBufExec( cmAudioFileBuf* p, unsigned smpIdx, cmSample_t* outV, unsigned outN, bool sumIntoOutFl );
 
-
   //------------------------------------------------------------------------------------------------------------
+  //)
+
+  //( { label:cmMDelay file_desc:"Multi-tap audio delay with feedback." kw:[proc]} 
   // Multi-delay.  Each of the taps of this delay operates as a independent delay with feedback.
   
   // Delay line specification.
@@ -657,6 +698,9 @@ extern "C" {
   void      cmMDelayReport( cmMDelay* p, cmRpt_t* rpt );
 
   //------------------------------------------------------------------------------------------------------------
+  //)
+  
+  //( { label:cmAudioSegPlayer file_desc:"Buffer and playback an arbitrary number of audio signals." kw:[proc]}
   enum
   {
     kEnableAspFl  = 0x01,
@@ -696,9 +740,9 @@ extern "C" {
   cmRC_t            cmAudioSegPlayerEnable( cmAudioSegPlayer* p, unsigned id, bool enableFl, unsigned outSmpIdx );
   cmRC_t            cmAudioSegPlayerReset(  cmAudioSegPlayer* p );
   cmRC_t            cmAudioSegPlayerExec(   cmAudioSegPlayer* p, cmSample_t** outChPtr, unsigned chCnt, unsigned outSmpCnt );
-
-
   //------------------------------------------------------------------------------------------------------------
+  //)
+
   /*
   cmReal_t (*cmCluster0DistFunc_t)( void* userPtr, const cmReal_t* v0, const cmReal_t* v1, unsigned binCnt );
 
@@ -729,7 +773,7 @@ extern "C" {
   cmRC_t           cmCluster0Exec(  cmCluster0* p, const cmReal_t* v, unsigned vn );
   */
 
-  //------------------------------------------------------------------------------------------------------------
+  //( { label:cmNmf file_desc:"Non-negative matrix factorization implementation." kw:[proc]}
   typedef struct
   {
     cmObj     obj;
@@ -770,8 +814,10 @@ extern "C" {
   // 
   cmRC_t   cmNmfExec( cmNmf_t* p, const cmReal_t* v, unsigned cn );
 
-
   //------------------------------------------------------------------------------------------------------------
+  //)
+
+  //( { label:cmVectArray file_desc:"Store and recall arrays of arbitrary length numeric vectors." kw:[proc]}
   // cmVectArray buffers row vectors of arbitrary length in  memory.
   // The buffers may then be access using the cmVectArrayGetXXX() functions.
   // The entire contents of the file may be written to a file using atVectArrayWrite().
@@ -943,7 +989,10 @@ extern "C" {
   cmRC_t   cmVectArrayFormVectColU( cmVectArray_t* p, unsigned groupIdx, unsigned groupCnt, unsigned colIdx, unsigned** vRef, unsigned* vnRef );
   cmRC_t   cmVectArrayTest( cmCtx* ctx, const char* fn, bool genFl );  
 
-  //-----------------------------------------------------------------------------------------------------------------------
+  //------------------------------------------------------------------------------------------------------------
+  //)
+
+  //( { label:cmWhFilt file_desc:"Spectral whitening filter." kw:[proc]}  
   // Spectral whitening filter.
   // Based on: Klapuri, A., 2006: Multiple fundamental frequency estimation by summing
   //  harmonic amplitudes.
@@ -967,6 +1016,9 @@ extern "C" {
   cmRC_t    cmWhFiltExec( cmWhFilt* p, const cmReal_t* xV, cmReal_t* yV, unsigned xyN );
 
   //-----------------------------------------------------------------------------------------------------------------------
+  //)
+  
+  //( { label:cmFrqTrk file_desc:"Track sinusoids from STFT frame data." kw:[proc]}  
   typedef enum
   {
     kNoStateFrqTrkId,
@@ -1089,8 +1141,10 @@ extern "C" {
   cmRC_t    cmFrqTrkExec( cmFrqTrk* p, const cmReal_t* magV, const cmReal_t* phsV, const cmReal_t* hzV );
   void      cmFrqTrkPrint( cmFrqTrk* p );
 
-  //------------------------------------------------------------------------------------------------------------
-
+  //-----------------------------------------------------------------------------------------------------------------------
+  //)
+  
+  //( { label:cmFbCtl file_desc:"Perform acoustic feedback control by attenuating loud sinusoid signals." kw:[proc]}  
   typedef struct
   {
     double   srate;
@@ -1122,7 +1176,10 @@ extern "C" {
   cmRC_t     cmFbCtlFinal(cmFbCtl_t* p );
   cmRC_t     cmFbCtlExec( cmFbCtl_t* p, const cmReal_t* xV );
 
-  //-----------------------------------------------------------------------------------------------------------------------
+  //------------------------------------------------------------------------------------------------------------
+  //)
+  
+  //( { label:cmExpander file_desc:"Expander implementation for audio dynamics processing." kw:[proc]}    
 
   typedef struct
   {
@@ -1148,7 +1205,11 @@ extern "C" {
   cmRC_t      cmExpanderFinal( cmExpander* p );
   cmRC_t      cmExpanderExec( cmExpander* p, cmSample_t* x, cmSample_t* y, unsigned xyN );
   cmRC_t      cmExpanderExecD( cmExpander* p, double* x, double* y, unsigned xyN );
+
   //-----------------------------------------------------------------------------------------------------------------------
+  //)
+
+  //( { label:cmExpanderBank file_desc:"Bank of audio dynamics expanders based on cmExpander." kw:[proc]}    
   typedef struct
   {
     cmObj obj;
@@ -1166,8 +1227,10 @@ extern "C" {
   cmRC_t      cmExpanderBankExec(  cmExpanderBank* p, cmSample_t* x, unsigned bandN );
   cmRC_t      cmExpanderBankExecD(  cmExpanderBank* p, double* x, unsigned bandN );
   
-
-  //------------------------------------------------------------------------------------------------------------
+  //-----------------------------------------------------------------------------------------------------------------------
+  //)
+  
+  //( { label:cmSpecDist file_desc:"Spectral distortion algorithm based on non-linear transform." kw:[proc]}    
 
   enum
   {
@@ -1224,6 +1287,7 @@ extern "C" {
     cmReal_t  aeUnit;
 
     cmReal_t ogain;
+    cmReal_t ogain0;
 
     unsigned phaseModIndex;
 
@@ -1236,6 +1300,7 @@ extern "C" {
     cmReal_t*      oSpecM;      // oSpecMtx[hN binN]
     cmReal_t*      oSpecV;      // mean of rows of oSpecM
     cmVectArray_t* oSpecVa;
+    cmVectArray_t* statVa;
 
   } cmSpecDist_t;
 
@@ -1246,8 +1311,11 @@ extern "C" {
   cmRC_t            cmSpecDistExec( cmSpecDist_t* p, const cmSample_t* sp, unsigned sn );
   const cmSample_t* cmSpecDistOut(  cmSpecDist_t* p );
 
-
   //------------------------------------------------------------------------------------------------------------
+  //)
+  
+  //( { label:cmBinMtxFile file_desc:"Write a binary matrix which can be read by readBinFile.m." kw:[proc]}
+  
   // Write a binary matrix file in the format acceppted by the octave function readBinFile.m
 
   typedef struct cmBinMtxFile_str
@@ -1289,7 +1357,7 @@ extern "C" {
   // Use cmBinMtxFileSize() to determine the buffer size prior to calling this function.
   // colCntV[colCnt] is optional.
   cmRC_t cmBinMtxFileRead( cmCtx_t* ctx, const cmChar_t* fn, unsigned rowCnt, unsigned colCnt, unsigned eleByteCnt, void* buf, unsigned* colCntV );
-
+  //)
 
 
 

cmProc3.h

@@ -4,6 +4,10 @@
 #ifdef __cplusplus
 extern "C" {
 #endif
+  //( { file_desc:"Processor Library 3" kw:[proclib]}
+  //)
+  
+  //( { label:cmPitchShift file_desc:"Time-domain pitch shifter based on sample rate conversion." kw:[proc]}    
 
   typedef struct
   {
@@ -45,7 +49,9 @@ extern "C" {
   cmRC_t        cmPitchShiftFinal(cmPitchShift* p );
   cmRC_t        cmPitchShiftExec( cmPitchShift* p, const cmSample_t* x, cmSample_t* y, unsigned n, double shiftRatio, bool bypassFl );
 
-  //=======================================================================================================================
+  //------------------------------------------------------------------------------------------------------------
+  //)
+  //( { label:cmLoopRecord file_desc:"Audio interactive loop recorder." kw:[proc]}    
 
   typedef struct
   {
@@ -90,7 +96,9 @@ extern "C" {
   cmRC_t        cmLoopRecordExec( cmLoopRecord* p, const cmSample_t* x, cmSample_t* y, unsigned xn, bool bypassFl, bool recdFl, bool playFl, double ratio, double pgain, double rgain );
 
 
-  //=======================================================================================================================
+  //------------------------------------------------------------------------------------------------------------
+  //)
+  //( { label:cmGateDetector file_desc:"Detect when a signal onsets and offsets." kw:[proc]}    
   typedef struct
   {
     cmObj       obj;
@@ -115,8 +123,9 @@ extern "C" {
   cmRC_t       cmGateDetectFinal(cmGateDetect* p );
   cmRC_t       cmGateDetectExec( cmGateDetect* p, const cmSample_t* x, unsigned xn );
   
-
-  //=======================================================================================================================
+  //------------------------------------------------------------------------------------------------------------
+  //)
+  //( { label:cmGateDetector2 file_desc:"Improved gate detector to detect when a signal onsets and offsets." kw:[proc]}    
   typedef struct
   {
     unsigned medCnt;       // length of the median filter
@@ -164,14 +173,17 @@ extern "C" {
 
 
   cmGateDetect2* cmGateDetectAlloc2( cmCtx* c, cmGateDetect2* p, unsigned procSmpCnt, const cmGateDetectParams* args );
-  cmRC_t       cmGateDetectFree2( cmGateDetect2** p );
-  cmRC_t       cmGateDetectInit2( cmGateDetect2* p, unsigned procSmpCnt, const cmGateDetectParams* args );
-  cmRC_t       cmGateDetectFinal2(cmGateDetect2* p );
-  cmRC_t       cmGateDetectExec2( cmGateDetect2* p, const cmSample_t* x, unsigned xn );
-  void       cmGateDetectSetOnThreshDb2( cmGateDetect2* p, cmReal_t db );
-  void       cmGateDetectSetOffThreshDb2( cmGateDetect2* p, cmReal_t db );
+  cmRC_t         cmGateDetectFree2( cmGateDetect2** p );
+  cmRC_t         cmGateDetectInit2( cmGateDetect2* p, unsigned procSmpCnt, const cmGateDetectParams* args );
+  cmRC_t         cmGateDetectFinal2(cmGateDetect2* p );
+  cmRC_t         cmGateDetectExec2( cmGateDetect2* p, const cmSample_t* x, unsigned xn );
+  void           cmGateDetectSetOnThreshDb2( cmGateDetect2* p, cmReal_t db );
+  void           cmGateDetectSetOffThreshDb2( cmGateDetect2* p, cmReal_t db );
 
-  //=======================================================================================================================
+  //------------------------------------------------------------------------------------------------------------
+  //)
+
+  //( { label:cmAutoGain file_desc:"Automatically balance a set of audio signals by adjusting their level." kw:[proc fluxo]}    
   
   //
   // Calculate a set of automatic gain adjustments for a set of audio channels.
@@ -230,7 +242,10 @@ extern "C" {
 
   void        cmAutoGainPrint( cmAutoGain* p, cmRpt_t* rpt );
 
-  //=======================================================================================================================
+  //------------------------------------------------------------------------------------------------------------
+  //)
+  
+  //( { label:cmChCfg file_desc:"Configure a 'fluxo' pickup channel." kw:[proc fluxo]}
   typedef struct
   {
     unsigned        ch;
@@ -261,8 +276,11 @@ extern "C" {
   void     cmChCfgPrint( cmChCfg* p, cmRpt_t* rpt );
   unsigned cmChCfgChannelCount( cmCtx_t* ctx, const cmChar_t* fn, unsigned* nsChCntPtr );
   unsigned cmChCfgChannelIndex( cmCtx_t* ctx, const cmChar_t* fn, unsigned chIdx );
+  
+  //------------------------------------------------------------------------------------------------------------
+  //)
 
-  //=======================================================================================================================
+  //( { label:cmChordDetector file_desc:"Chord detector based on evaluating signals from cmGateDetector2." kw:[proc]}    
 
   typedef struct 
   {
@@ -293,7 +311,10 @@ extern "C" {
   cmRC_t         cmChordDetectExec(  cmChordDetect* p, unsigned procSmpCnt, const bool* gateV, const cmReal_t* rmsV, unsigned chCnt );
   cmRC_t         cmChordDetectSetSpanMs( cmChordDetect* p, cmReal_t maxTimeSpanMs );
 
-  //=======================================================================================================================
+  //------------------------------------------------------------------------------------------------------------
+  //)
+
+  //( { label:cmXfader file_desc:"Audio cross fade controller." kw:[proc]}    
   // This object is not really a cross-fader.  It is really just a multichannel
   // fader - which just calculates the fade gain but does not actually apply it
   // to the audio signal - unless you use cmXfaderExecAudio()
@@ -335,7 +356,10 @@ extern "C" {
   void      cmXfaderAllOff( cmXfader* p );
   void      cmXfaderJumpToDestinationGain( cmXfader* p ); // jump to dest. gain based on gate state
 
-  //=======================================================================================================================
+  //------------------------------------------------------------------------------------------------------------
+  //)
+
+  //( { label:cmFader file_desc:"Fade in/out an audio signal based on the state of a gate control signal." kw:[proc]}      
   // This fader object accepts a gate signal. When the gate is high it increments
   // the gain until it reaches 1.0. When the gate is low it decrements the gain
   // until it reaches 0.0.  The fade time is the lenght of time the gain will take
@@ -355,7 +379,10 @@ extern "C" {
   cmRC_t    cmFaderExec(  cmFader* p, unsigned procSmpCnt, bool gateFl, bool mixFl, const cmSample_t* x, cmSample_t* y );
   void      cmFaderSetFadeTime( cmFader* p, cmReal_t fadeTimeMs );
 
-  //=======================================================================================================================
+  //------------------------------------------------------------------------------------------------------------
+  //)
+
+  //( { label:cmCombFilt file_desc:"Comb and Inverse Comb filter algorithm with a variable fractional delay." kw:[proc]}      
   struct cmIDelay_str;
   typedef struct
   {
@@ -384,7 +411,10 @@ extern "C" {
   void        cmCombFiltSetAlpha( cmCombFilt* p, cmReal_t alpha );
   cmRC_t      cmCombFiltSetHz( cmCombFilt* p, cmReal_t hz );
 
-  //=======================================================================================================================
+  //------------------------------------------------------------------------------------------------------------
+  //)
+
+  //( { label:cmDcFilt file_desc:"DC Filter algorithm." kw:[proc]}      
 
   typedef struct
   {
@@ -402,9 +432,10 @@ extern "C" {
   cmRC_t    cmDcFiltFinal( cmDcFilt* p );
   cmRC_t    cmDcFiltExec(  cmDcFilt* p, const cmSample_t* x, cmSample_t* y, unsigned n );
 
-  //=======================================================================================================================
-  
-  // interpolating delay - used by the comb filter
+  //------------------------------------------------------------------------------------------------------------
+  //)
+
+  //( { label:cmIDelay file_desc:"Variable interpolating fractional audio delay line." kw:[proc]}      
   
   typedef struct cmIDelay_str
   {
@@ -429,7 +460,10 @@ extern "C" {
   cmRC_t    cmIDelaySetTapMs( cmIDelay* p, unsigned tapIdx, cmReal_t tapMs );
   
   
-  //=======================================================================================================================
+  //------------------------------------------------------------------------------------------------------------
+  //)
+
+  //( { label:cmGroupSel file_desc:"Assign channel to dynamic groups under gate control." kw:[proc]}      
   
   // This object sequentially assigns channels to groups when their gates go high.
   // 'chsPerGroup' channels will be assigned to each group.  No channel will be
@@ -481,7 +515,10 @@ extern "C" {
   // and groups that will be removed on the next cycle have their 'releaseFl' set.
   cmRC_t      cmGroupSelExec( cmGroupSel* p );
   
-  //=======================================================================================================================
+  //------------------------------------------------------------------------------------------------------------
+  //)
+
+  //( { label:cmAudioNofM file_desc:"Route N of M possible input channels to N output channels under gate control." kw:[proc]}      
   
   // Route N of M input channels to N output channels.
   // The N channels are selected from the first N gates to go high.
@@ -526,7 +563,10 @@ extern "C" {
   cmRC_t       cmAudioNofMSetFadeMs( cmAudioNofM* p, cmReal_t fadeTimeMs );
 
 
-  //=======================================================================================================================
+  //------------------------------------------------------------------------------------------------------------
+  //)
+
+  //( { label:cmAdsr file_desc:"ADSR audio evelope generator." kw:[proc]}      
 
   enum { kDlyAdsrId, kAtkAdsrId, kDcyAdsrId, kSusAdsrId, kRlsAdsrId, kDoneAdsrId };
 
@@ -546,9 +586,6 @@ extern "C" {
     cmReal_t susLevel;
     int      rlsSmp;
 
-
-
-
     unsigned state;             // current state
     int      durSmp;            // time in current state
     cmReal_t level;             // current level 
@@ -575,7 +612,10 @@ extern "C" {
   void      cmAdsrSetLevel( cmAdsr* p, cmReal_t level, unsigned id );
   void      cmAdsrReport( cmAdsr* p, cmRpt_t* rpt );
 
-  //=======================================================================================================================
+  //------------------------------------------------------------------------------------------------------------
+  //)
+
+  //( { label:cmCompressor file_desc:"Audio dynamics compressor algorithm." kw:[proc]}      
   enum { kAtkCompId, kRlsCompId };
 
   typedef struct
@@ -616,7 +656,11 @@ extern "C" {
   void    cmCompressorSetThreshDb(  cmCompressor* p, cmReal_t thresh );
   void    cmCompressorSetRmsWndMs( cmCompressor* p, cmReal_t ms );
 
-  //=======================================================================================================================
+  
+  //------------------------------------------------------------------------------------------------------------
+  //)
+
+  //( { label:cmBiQuad file_desc:"General purpose Biquad filter algorithm." kw:[proc]}      
 
   // BiQuad Audio Eq's based on Robert Bristow-Johnson's recipes.
   // http://www.musicdsp.org/files/Audio-EQ-Cookbook.txt
@@ -660,7 +704,10 @@ extern "C" {
   void        cmBiQuadEqSet( cmBiQuadEq* p, unsigned mode, cmReal_t f0Hz, cmReal_t Q, cmReal_t gainDb );
 
 
-  //=======================================================================================================================
+  //------------------------------------------------------------------------------------------------------------
+  //)
+
+  //( { label:cmDistDs file_desc:"Guitar style distortion effect." kw:[proc]}      
   typedef struct
   {
     cmObj      obj;
@@ -686,7 +733,10 @@ extern "C" {
   cmRC_t    cmDistDsInit( cmDistDs* p, cmReal_t srate, cmReal_t inGain, cmReal_t downSrate, cmReal_t bits, bool rectFl, bool fullFl, cmReal_t clipDb, cmReal_t outGain, bool bypassFl );
   cmRC_t    cmDistDsFinal( cmDistDs* p );
   cmRC_t    cmDistDsExec(  cmDistDs* p, const cmSample_t* x, cmSample_t* y, unsigned n );
+  //------------------------------------------------------------------------------------------------------------
+  //)
 
+  
   //=======================================================================================================================
   /*
   typedef struct

cmProc4.c

@@ -2693,6 +2693,7 @@ typedef struct
 
 _cmScModTypeMap_t _cmScModTypeArray[] =
 {
+  { kDeclModTId,    0, "decl" },
   { kSetModTId,     1, "set" },
   { kLineModTId,    2, "line" },
   { kSetLineModTId, 3, "sline" },
@@ -3164,6 +3165,7 @@ cmRC_t _cmScModActivate(cmScModulator* p, cmScModEntry_t* ep )
 
   switch( ep->typeId )
   {
+    case kDeclModTId:
     case kSetModTId:
       break;
 
@@ -3220,6 +3222,11 @@ bool  _cmScModExec( cmScModulator* p, cmScModVar_t* vp )
 
   switch( vp->entry->typeId )
   {
+    case kDeclModTId:
+      sendFl = false;
+      fl     = true;
+      break;
+      
     case kSetModTId:
       {
         if((rc = _cmScModGetParam(p,&vp->entry->beg,&vp->value)) != cmOkRC )

cmProc4.h

@@ -5,11 +5,12 @@
 extern "C" {
 #endif
 
+  //( { file_desc:"Processor Library 4" kw:[proclib]}
+  //)
 
-  //=======================================================================================================================  
-  //
-  // Simplified string alignment function based on Levenshtein edit distance.
-  //
+  
+  //( { label:cmEditDist file_desc:"Simplified string alignment function based on Levenshtein edit distance." kw:[proc] } 
+  
   enum { kEdMinIdx, kEdSubIdx, kEdDelIdx, kEdInsIdx, kEdCnt };
 
   typedef struct
@@ -87,7 +88,10 @@ extern "C" {
   // Main test function.
   void ed_main();
 
-  //=======================================================================================================================
+  //------------------------------------------------------------------------------------------------------------
+  //)
+
+  //( { label:cmScoreMatch file_desc:"Event oriented local score matching algorithm based on edit distance." kw:[proc] } 
   enum 
   { 
     kSmMinIdx, // 
@@ -200,9 +204,10 @@ extern "C" {
   // necessarily an error.
   cmRC_t     cmScMatchExec(  cmScMatch* p, unsigned locIdx, unsigned locN, const cmScMatchMidi_t* midiV, unsigned midiN, double min_cost );
 
-  //=======================================================================================================================
-
+  //------------------------------------------------------------------------------------------------------------
+  //)
 
+  //( { label:cmScoreMatcher file_desc:"MIDI score following algorithm based cmScoreMatch." kw:[proc] } 
   typedef struct
   {
     unsigned locIdx;    // index into cmScMatch_t.loc[]
@@ -246,8 +251,6 @@ extern "C" {
     bool                 printFl;
   } cmScMatcher;
 
-
-
   cmScMatcher* cmScMatcherAlloc( 
     cmCtx*          c,        // Program context.
     cmScMatcher*    p,        // Existing cmScMatcher to reallocate or NULL to allocate a new cmScMatcher.
@@ -310,7 +313,10 @@ extern "C" {
 
   void cmScMatcherPrint( cmScMatcher* p );
 
-  //=======================================================================================================================
+  //------------------------------------------------------------------------------------------------------------
+  //)
+
+  //( { label:cmScMeas file_desc:"Measure and report some differences between the score and the performance." kw:[proc] } 
 
   typedef struct
   {
@@ -391,7 +397,10 @@ extern "C" {
   // notes in each marker region and the score. 
   void       cmScAlignScanMarkers(  cmRpt_t* rpt, cmTlH_t tlH, cmScH_t scH );
 
-  //=======================================================================================================================
+  //------------------------------------------------------------------------------------------------------------
+  //)
+
+  //( { label:cmScMod file_desc:"Store and recall parameter information under score follower control." kw:[proc] } 
   /*
     Syntax: <loc> <mod> <var> <type>   <params>
     <loc> - score location
@@ -421,6 +430,7 @@ extern "C" {
   enum
   {
     kInvalidModTId,
+    kDeclModTId,     // declare a variable but do not associate a value with it (allows a variable to be connected to w/o sending a value) 
     kSetModTId,      // set variable to parray[0] at scLocIdx
     kLineModTId,     // linear ramp variable to parray[0] over parray[1] seconds
     kSetLineModTId,  // set variable to parray[0] and ramp to parray[1] over parray[2] seconds
@@ -522,7 +532,10 @@ extern "C" {
   cmRC_t         cmScModulatorExec(  cmScModulator* p, unsigned scLocIdx );
   cmRC_t         cmScModulatorDump(  cmScModulator* p );
 
-  //=======================================================================================================================
+  //------------------------------------------------------------------------------------------------------------
+  //)
+
+  //( { label:cmRecdPlay file_desc:"Record fragments of audio, store them,and play them back at a later time." kw:[proc] } 
   //
   // Record fragments of audio, store them, and play them back at a later time.
   //
@@ -593,7 +606,9 @@ extern "C" {
   cmRC_t         cmRecdPlayBeginFade(   cmRecdPlay* p, unsigned labelSymId, double fadeDbPerSec );
 
   cmRC_t         cmRecdPlayExec(        cmRecdPlay* p, const cmSample_t** iChs, cmSample_t** oChs, unsigned chCnt, unsigned smpCnt );
+  //)
 
+  
 #ifdef __cplusplus
 }
 #endif

cmProc5.h

@@ -5,10 +5,11 @@
 extern "C" {
 #endif
 
+  //( { file_desc:"Process Library 5", kw:[proclib]}
+  //)
 
-  //=======================================================================================================================
-  // Goertzel Filter
-  //
+  
+  //( { label:cmGoertzel file_desc:"Goertzel tone detection filter." kw:[proc]}
 
   typedef struct
   {
@@ -38,10 +39,10 @@ extern "C" {
   cmRC_t cmGoertzelSetFcHz( cmGoertzel* p, unsigned chIdx, double hz );
   cmRC_t cmGoertzelExec( cmGoertzel* p, const cmSample_t* in, unsigned procSmpCnt,  double* outV, unsigned chCnt );
 
+  //------------------------------------------------------------------------------------------------------------
+  //)
 
-  //=======================================================================================================================
-  // Gold Code Signal Generator
-  //
+  //( { label:cmGoldCode file_desc:"Gold code random generator." kw:[proc]}
 
   typedef struct
   {
@@ -110,9 +111,10 @@ extern "C" {
   cmRC_t cmGoldSigTest( cmCtx* ctx );
 
 
-  //=======================================================================================================================
-  // Phase aligned transform generalized cross correlator
-  //
+  //------------------------------------------------------------------------------------------------------------
+  //)
+
+  //( { label:cmPhat file_desc:"Phase-aligned transform for generalized cross correlator." kw:[proc]}
 
   // Flags for use with the 'flags' argument to cmPhatAlloc() 
   enum
@@ -192,9 +194,10 @@ extern "C" {
   cmRC_t cmPhatWrite( cmPhat_t* p, const char* dirStr );
 
 
-  //=======================================================================================================================
-  // 
-  //
+  //------------------------------------------------------------------------------------------------------------
+  //)
+
+  //( { label:cmReflectCal file_desc:"Calculate the time of flight of Gold code acoustic reflections." kw:[proc]}
 
 
   typedef struct
@@ -225,9 +228,11 @@ extern "C" {
   cmRC_t cmReflectCalcExec(  cmReflectCalc_t* p, const cmSample_t* xV, cmSample_t* yV, unsigned xyN );
   cmRC_t cmReflectCalcWrite( cmReflectCalc_t* p, const char* dirStr );
 
-  //=======================================================================================================================
-  // 
-  //
+  //------------------------------------------------------------------------------------------------------------
+  //)
+
+  //( { label:cmNlms file_desc:"Normalized least mean squares echo canceller." kw:[proc]}
+  
   typedef struct
   {
     cmObj          obj;
@@ -260,7 +265,8 @@ extern "C" {
   void        cmNlmsEcSetMu(     cmNlmsEc_t* p, float mu );
   void        cmNlmsEcSetDelayN( cmNlmsEc_t* p, unsigned delayN );
   void        cmNlmsEcSetIrN(    cmNlmsEc_t* p, unsigned irN );
-  
+  //)
+
   
 #ifdef __cplusplus
 }

cmProcObj.h

@@ -5,7 +5,7 @@
 extern "C" {
 #endif
 
-  /*
+  /*( { file_desc:"Base class for all 'proc' objects." kw:[proclib] } 
 
     The first field in all objects must be an cmObj record.
 
@@ -164,7 +164,8 @@ extern "C" {
 #define cmMtxFileRealExecN(f,p,n,s) cmMtxFileDoubleExec((f),(p),(n),(s))
 #endif
 
-
+  //)
+  
 #ifdef __cplusplus
 }
 #endif

cmRbm.h

@@ -5,6 +5,7 @@
 extern "C" {
 #endif
 
+  //( { file_desc:"Restricted Bolzmann Machine object." kw:[model] }
 enum
 {
   kOkRbmRC = cmOkRC,
@@ -38,6 +39,8 @@ enum
 
   void cmRbmBinaryTest(cmCtx_t* ctx);
 
+  //)
+  
 #ifdef __cplusplus
 }
 #endif

cmRpt.c

@@ -11,7 +11,7 @@ cmRpt_t cmRptNull = { NULL, NULL, NULL };
 void _cmDefaultPrint( void* userPtr, const cmChar_t* text )
 { 
   if( text != NULL )
-    fputs(text,stdin);
+    fputs(text,stdout);
 }
 
 void _cmDefaultError( void* userPtr, const cmChar_t* text )

cmRpt.h

@@ -5,12 +5,10 @@
 #ifdef __cplusplus
 extern "C" {
 #endif
-  //{
 
   
-  //(
+  //( { file_desc: "The cmRpt class provides console style output for all objects in the cm system." kw:[base]}
   // 
-  // The cmRpt class provides console style output for all objects in the cm system.
   // 
   // The cmRpt class provides console output style output, like stdout and stderr
   // for most of the classes in the cm library.
@@ -51,7 +49,6 @@ extern "C" {
   void cmRptVErrorf( cmRpt_t* rpt, const cmChar_t* fmt, va_list vl );
   void cmRptErrorf(  cmRpt_t* rpt, const cmChar_t* fmt, ... );
   //)
-  //}
 
 #ifdef __cplusplus
   }

cmRtNet.h

@@ -5,6 +5,8 @@
 extern "C" {
 #endif
 
+  //( { file_desc:"rtSys networking component." kw:[rtsys network] }
+  
   /*
    Nodes and Endpoints:
    ---------------------
@@ -202,7 +204,8 @@ extern "C" {
         4)  The symbol -=- in the flow chart implies a network transmission.
 
    */  
-
+  //)
+  
 #ifdef __cplusplus
 }
 #endif

cmRtSys.h

@@ -1,5 +1,4 @@
-// cmRtSys.h
-// Implements a real-time audio processing engine.
+//( { file_desc:"Improved real-time audio processing engine." kw:[rtsys] }
 //
 // The audio system is composed a collection of independent sub-systems.
 // Each sub-system maintains a thread which runs asynchrounsly
@@ -48,10 +47,7 @@
 // Messages arriving while the mutex is locked are queued and
 // delivered to the DSP procedure at the end of the DSP execution
 // procedure.
-//
-// Usage example and testing code:
-// See  cmRtSysTest().
-// \snippet cmRtSys.c cmRtSysTest
+//)
 
 #ifndef cmRtSys_h
 #define cmRtSys_h
@@ -60,6 +56,7 @@
 extern "C" {
 #endif
 
+  //(
   // Audio system result codes
   enum
   {
@@ -329,7 +326,7 @@ extern "C" {
   cmRtRC_t cmRtSysNetReport( cmRtSysH_t h );
   cmRtRC_t cmRtSysNetReportSyncEnable( cmRtSysH_t h, bool enableFl );
   cmRtRC_t cmRtSysNetGetHandle( cmRtSysH_t h, unsigned rtSubIdx, cmRtNetH_t* hp );
-
+  //)
 
 #ifdef __cplusplus
 }

cmRtSysMsg.h

@@ -4,7 +4,8 @@
 #ifdef __cplusplus
 extern "C" {
 #endif
-
+  //( { file_desc:"rtSys message contants and data structures." kw:[rtsys] }
+  
   // Reserved DSP message selector id's (second field of all 
   // host<->audio system messages)
   enum
@@ -105,7 +106,8 @@ extern "C" {
     // char msg[ msgByteCnt ]
   } cmRtNetMsg_t;
 
-
+  //)
+  
 #ifdef __cplusplus
 }
 #endif

cmSerialize.h

@@ -5,14 +5,8 @@
 extern "C" {
 #endif
 
-  //{
-  //(
-  // cmSerialize is an API for serializing data structures into 
-  // byte streams and then deserializing them back into data structures.
-  //
-  //)
-
-  //(
+  //( { file_desc:" An API for serializing data structures into byte streams and then deserializing them back into data structures." kw:[base]}
+  
 
   // Result codes
   enum
@@ -299,7 +293,6 @@ extern "C" {
   cmSrRC_t cmSrTest( cmCtx_t* ctx );
 
   //)
-  //}
 
 #ifdef __cplusplus
 }

cmStack.h

@@ -5,6 +5,8 @@
 extern "C" {
 #endif
 
+  //( { file_desc:"Push-down stack data structure for binary blobs." kw:[container] }
+  
   enum
   {
     kOkStRC = cmOkRC,
@@ -62,7 +64,8 @@ extern "C" {
 
 #define cmStackEle(h,t,i) (*(t*)cmStackGet(h,i))
 
-
+  //)
+  
 #ifdef __cplusplus
 }
 #endif

cmStrStream.h

@@ -6,6 +6,8 @@
 extern "C" {
 #endif
 
+  //( { file_desc:"String stream text sink." kw:[text] }
+  
   enum
   {
     kOkSsRC = cmOkRC,
@@ -34,6 +36,8 @@ extern "C" {
   void*     cmOStrStreamAllocBuf(  cmStrStreamH_t h );
   cmChar_t* cmOStrStreamAllocText( cmStrStreamH_t h );
 
+  //)
+  
 #ifdef __cplusplus
 }
 #endif

cmSymTbl.h

@@ -4,13 +4,8 @@
 #ifdef __cplusplus
 extern "C" {
 #endif
-  //{
-  //(
-  //  Symbol table component.
-  //)
-
+  //( { file_desc:"Symbol table object." kw:[base] }
   
-  //(
   typedef cmHandle_t cmSymTblH_t;
 
   extern cmSymTblH_t cmSymTblNullHandle;
@@ -61,7 +56,6 @@ extern "C" {
   void        cmSymTblTest(cmCtx_t* ctx);
   
   //)
-  //}
 
 #ifdef __cplusplus
 }

cmTagFile.h

@@ -5,6 +5,8 @@
 extern "C" {
 #endif
 
+  //( { file_desc:"Read a 'ctags' output file." kw:[file] }
+  
   // Read a ctags file generated by:
   //
   // ctags --c-kinds=+p --fields=+n  file.h
@@ -61,6 +63,8 @@ extern "C" {
 
   cmTfRC_t cmTfTest( cmCtx_t* ctx, const cmChar_t* fn );
 
+  //)
+  
 #ifdef __cplusplus
 }
 #endif

cmTaskMgr.h

@@ -5,7 +5,8 @@
 extern "C" {
 #endif
 
-  /*
+  /*( { file_desc:"Task manager for controlling and monitoring tasks running in independent thread." kw:[parallel]}
+
     Usage:
     1) Use cmTaskMgrInstall() to register a worker function 
     (cmTaskMgrFunc_t) with the task manager.
@@ -353,7 +354,8 @@ extern "C" {
   cmTmWorkerRC_t cmTaskMgrWorkerMsgSend( cmTaskMgrFuncArg_t* a, const void* buf, unsigned bufByteCnt );
 
   cmTmRC_t cmTaskMgrTest(cmCtx_t* ctx);
-
+  //)
+  
 #ifdef __cplusplus
 }
 #endif

cmText.h

@@ -5,8 +5,8 @@
 extern "C" {
 #endif
 
-  //{
-  //(
+  //( { file_desc:"Text processing functions." kw:[text]}
+  //
   // The cmText API supports two basic tasks: the generation of
   // formatted text into dynamic arrays and text to number parsing.
   // 
@@ -297,7 +297,6 @@ extern "C" {
 
 
   //)
-  //}
 
 #ifdef __cplusplus
 }

cmTextTemplate.h

@@ -1,55 +1,61 @@
 #ifndef cmTextTemplate_h
 #define cmTextTemplate_h
 
+#ifdef __cplusplus
+extern "C" {
+#endif
 
-enum
-{
-  kOkTtRC = cmOkRC,
-  kFileFailTtRC,
-  kLHeapFailTtRC,
-  kSyntaxErrTtRC,
-  kFindFailTtRC,
-  kInvalidTypeTtRC,
-  kJsonFailTtRC
-};
-
-typedef cmHandle_t cmTtH_t;
-typedef unsigned   cmTtRC_t;
-extern cmTtH_t cmTtNullHandle;
-
-// Initialize a template file.
-cmTtRC_t cmTextTemplateInitialize( cmCtx_t* ctx, cmTtH_t* hp, const cmChar_t* fn );
-
-// Finalize a template file
-cmTtRC_t cmTextTemplateFinalize( cmTtH_t* hp );
-
-// Return true if the template file is intialized.
-bool     cmTextTemplateIsValid( cmTtH_t h );
-
-// Set the value of a template variable.
-// The node identified by { label,index, label, index ... } must
-// be a variable node.  The function will fail if a 'set' or 'text' node
-// is identified.
-// Set 'value' to NULL to erase a previously set value.
-cmTtRC_t cmTextTemplateSetValue( cmTtH_t h, const cmChar_t* value, const cmChar_t* label, unsigned index, ... );
-
-// Create a copy of the sub-tree identified by the variable path
-// and insert it as the left sibling of the sub-tree's root.
-cmTtRC_t cmTextTemplateRepeat( cmTtH_t h, const cmChar_t* label, unsigned index, ... );
-
-// Write the template file.
-cmTtRC_t cmTextTemplateWrite( cmTtH_t h, const cmChar_t* fn );
-
-// Apply a template value JSON file to this template
-cmTtRC_t cmTextTemplateApply( cmTtH_t h, const cmChar_t* fn );
-
-
-// Print an annotated template tree.
-void cmTtPrintTree( cmTtH_t h, cmRpt_t* rpt );
-
-
-cmTtRC_t cmTextTemplateTest( cmCtx_t* ctx, const cmChar_t* fn );
-
-
+  //( { file_desc:"Generate text using templates with replaceable variables." kw:[text] }
+  enum
+  {
+    kOkTtRC = cmOkRC,
+    kFileFailTtRC,
+    kLHeapFailTtRC,
+    kSyntaxErrTtRC,
+    kFindFailTtRC,
+    kInvalidTypeTtRC,
+    kJsonFailTtRC
+  };
+
+  typedef cmHandle_t cmTtH_t;
+  typedef unsigned   cmTtRC_t;
+  extern  cmTtH_t    cmTtNullHandle;
+
+  // Initialize a template file.
+  cmTtRC_t cmTextTemplateInitialize( cmCtx_t* ctx, cmTtH_t* hp, const cmChar_t* fn );
+
+  // Finalize a template file
+  cmTtRC_t cmTextTemplateFinalize( cmTtH_t* hp );
+
+  // Return true if the template file is intialized.
+  bool     cmTextTemplateIsValid( cmTtH_t h );
+
+  // Set the value of a template variable.
+  // The node identified by { label,index, label, index ... } must
+  // be a variable node.  The function will fail if a 'set' or 'text' node
+  // is identified.
+  // Set 'value' to NULL to erase a previously set value.
+  cmTtRC_t cmTextTemplateSetValue( cmTtH_t h, const cmChar_t* value, const cmChar_t* label, unsigned index, ... );
+
+  // Create a copy of the sub-tree identified by the variable path
+  // and insert it as the left sibling of the sub-tree's root.
+  cmTtRC_t cmTextTemplateRepeat( cmTtH_t h, const cmChar_t* label, unsigned index, ... );
+
+  // Write the template file.
+  cmTtRC_t cmTextTemplateWrite( cmTtH_t h, const cmChar_t* fn );
+
+  // Apply a template value JSON file to this template
+  cmTtRC_t cmTextTemplateApply( cmTtH_t h, const cmChar_t* fn );
+
+  // Print an annotated template tree.
+  void cmTtPrintTree( cmTtH_t h, cmRpt_t* rpt );
+
+  cmTtRC_t cmTextTemplateTest( cmCtx_t* ctx, const cmChar_t* fn );
+  
+  //)
+  
+#ifdef __cplusplus
+}
+#endif
 
 #endif