cwSfAnalysis.h/cpp, Makefile.am : Initial commit.

Makefile.am

@@ -70,8 +70,8 @@ libcwSRC += src/libcw/cwIoPresetSelApp.cpp   src/libcw/cwPianoScore.cpp  src/lib
 libcwHDR += src/libcw/cwDynRefTbl.h   src/libcw/cwScoreParse.h   src/libcw/cwSfScore.h   
 libcwSRC += src/libcw/cwDynRefTbl.cpp src/libcw/cwScoreParse.cpp src/libcw/cwSfScore.cpp
 
-libcwHDR += src/libcw/cwSfMatch.h   src/libcw/cwSfTrack.h   src/libcw/cwScoreTest.h
+libcwHDR += src/libcw/cwSfMatch.h   src/libcw/cwSfTrack.h   src/libcw/cwSfAnalysis.h   src/libcw/cwScoreTest.h
-libcwSRC += src/libcw/cwSfMatch.cpp src/libcw/cwSfTrack.cpp src/libcw/cwScoreTest.cpp
+libcwSRC += src/libcw/cwSfMatch.cpp src/libcw/cwSfTrack.cpp src/libcw/cwSfAnalysis.cpp src/libcw/cwScoreTest.cpp  
 
 libcwHDR +=   src/libcw/cwScoreFollowerPerf.h src/libcw/cwScoreFollower.h   src/libcw/cwPerfMeas.h    src/libcw/cwScoreFollowTest.h
 libcwSRC +=                                   src/libcw/cwScoreFollower.cpp src/libcw/cwPerfMeas.cpp  src/libcw/cwScoreFollowTest.cpp

cwSfAnalysis.cpp

@@ -0,0 +1,171 @@
+#include "cwCommon.h"
+#include "cwLog.h"
+#include "cwCommonImpl.h"
+#include "cwMem.h"
+#include "cwFile.h"
+#include "cwObject.h"
+#include "cwMidi.h"
+
+#include "cwDynRefTbl.h"
+#include "cwScoreParse.h"
+#include "cwSfScore.h"
+#include "cwSfMatch.h"
+#include "cwSfTrack.h"
+#include "cwSfAnalysis.h"
+
+namespace cw
+{
+  namespace sf_analysis
+  {
+    enum { kSciPitchCharCnt = 7 };
+    
+    typedef struct anl_evt_str
+    {
+      unsigned matchCnt;      // should be equal to 1, 0 if missed, > 1 if matched multiple time
+      unsigned timeDirErrCnt; // should be 0, incremented every time this event was matched going backwards in time
+      unsigned spuriousCnt;   // should be 0, incremented for every nearby spurious note
+      
+      unsigned oLocId;        // score event location id
+      unsigned barNumb;       // bar number of this event
+      uint8_t  pitch;         // pitch of this event
+      const char* sect_label;    // 
+      char     sciPitch[ kSciPitchCharCnt ];   // 
+    } anl_event_t;
+
+    unsigned _locate_anl_evt( unsigned oLocId, uint8_t pitch, const anl_event_t* anlEvtA, unsigned anlEvtN, unsigned anlEvtIdx )
+    {
+      for(unsigned i=0; i<anlEvtN; ++i)
+        if( anlEvtA[i].oLocId == oLocId && anlEvtA[i].pitch == pitch  )
+          return i;
+        
+      return kInvalidIdx;
+    }
+
+    rc_t _write_as_csv( const anl_event_t* anlEvtA, unsigned anlEvtCnt, const char* fname )
+    {
+      file::handle_t fH;
+      rc_t           rc = kOkRC;
+
+      if((rc = open(fH,fname,file::kWriteFl)) != kOkRC )
+      {
+        rc = cwLogError(rc,"File create failed on '%s'.",cwStringNullGuard(fname));
+        goto errLabel;
+      }
+
+      if((rc = printf(fH,"section,bar,oLocId,sciPitch,matchN,timeDirErrN,spuriousN\n")) != kOkRC )
+      {
+        rc = cwLogError(rc,"File write failed on title line.");
+        goto errLabel;
+      }
+
+      for(const anl_event_t* e=anlEvtA; e<anlEvtA+anlEvtCnt; ++e)
+      {
+        if((rc = printf(fH,"%s,%i,%i,%s,%i,%i,%i\n",e->sect_label,e->barNumb,e->oLocId,e->sciPitch,e->matchCnt,e->timeDirErrCnt,e->spuriousCnt)) != kOkRC )
+        {
+          rc = cwLogError(rc,"File write failed on line %i.",(e-anlEvtA)+1);
+          goto errLabel;
+          
+        }
+      }
+    errLabel:      
+      close(fH);
+
+      if( rc != kOkRC )
+        rc = cwLogError(rc,"The score follow analysis CSV report file creation failed on '%s'.",cwStringNullGuard(fname));
+
+      return rc;
+    }
+    
+    
+  }
+}
+
+cw::rc_t cw::sf_analysis::gen_analysis( sfscore::handle_t        scH,
+                                        const sftrack::result_t* resultA,
+                                        unsigned                 resultN,
+                                        unsigned                 begLoc,
+                                        unsigned                 endLoc,
+                                        const char*              fname )
+{
+  rc_t         rc           = kOkRC;
+  unsigned     anlEvtAllocN = event_count(scH);
+  anl_event_t* anlEvtA      = mem::allocZ<anl_event_t>(anlEvtAllocN);
+  unsigned     anlEvtCnt    = 0;
+  unsigned     anlEvtIdx    = 0;
+  const char*  sect_label0  = "<unknown>";
+  
+  // fill anlEvtA[] with the score events
+  for(unsigned i=0; i<anlEvtAllocN; ++i)
+  {
+    const sfscore::event_t* scEvt = event(scH,i);
+    if( begLoc <= scEvt->oLocId && scEvt->oLocId <= endLoc )
+    {
+      anl_event_t* anlEvt = anlEvtA + anlEvtCnt++;
+      
+      const sfscore::section_t* sect;
+      const char* sect_label = nullptr;
+      if((sect = event_index_to_section( scH, i )) == nullptr )
+        sect_label = sect_label0;
+      else
+        sect_label = sect->label;
+
+      anlEvt->oLocId     = scEvt->oLocId;
+      anlEvt->pitch      = scEvt->pitch;
+      anlEvt->barNumb    = scEvt->barNumb;
+      anlEvt->sect_label = sect_label;
+      strncpy(anlEvt->sciPitch,scEvt->sciPitch,kSciPitchCharCnt-1);
+
+      sect_label0 = sect_label;
+    }
+  }
+
+  if( anlEvtCnt == 0)
+  {
+    rc = cwLogError(kInvalidStateRC,"The score appears to be empty.");
+    goto errLabel;
+  }
+  
+  for(unsigned i=0; i<resultN; ++i)
+  {
+    const sftrack::result_t* r = resultA + i;
+    unsigned aei;
+
+    // if this is a spurious event
+    if( r->oLocId == kInvalidIdx )
+    {
+      // ignore spurious events until at least one matched event is found
+      if( anlEvtIdx > 0 )
+        anlEvtA[ anlEvtIdx ].spuriousCnt += 1;
+    }
+    else
+    {
+      // if this event is in range
+      if( begLoc <= r->oLocId && r->oLocId <= endLoc )
+      {
+        // locate the associated score event 
+        if((aei = _locate_anl_evt( r->oLocId, r->pitch, anlEvtA, anlEvtCnt, anlEvtIdx )) == kInvalidIdx )
+        {
+          rc = cwLogError(kInvalidStateRC,"The score event associated with a matched performance could not be found for event:%i loc:%i.",i,r->oLocId);
+          goto errLabel;
+        }
+
+        anlEvtA[ aei ].matchCnt += 1;
+
+        anlEvtA[ aei ].timeDirErrCnt += aei < anlEvtIdx;
+
+        anlEvtIdx = aei;
+
+      }      
+        
+    }
+      
+  }
+
+  rc = _write_as_csv( anlEvtA, anlEvtCnt, fname );
+
+
+  errLabel:
+    if( rc != kOkRC )
+      rc = cwLogError(rc,"Score follow analysis failed.");
+    return rc;
+}

cwSfAnalysis.h

@@ -0,0 +1,16 @@
+namespace cw
+{
+  namespace sf_analysis
+  {
+
+    rc_t gen_analysis( sfscore::handle_t        scH,
+                       const sftrack::result_t* resultA,
+                       unsigned                 resultN,
+                       unsigned                 begLoc,
+                       unsigned                 endLoc,
+                       const char*              fname );
+
+    
+
+  }
+}