822 regels
22 KiB
C
822 regels
22 KiB
C
#include <Carbon/Carbon.h>
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#include <CoreAudio/CoreAudio.h>
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#include <CoreMIDI/CoreMIDI.h>
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#include <mach/mach_time.h>
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#include "cmPrefix.h"
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#include "cmGlobal.h"
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#include "cmRpt.h"
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#include "cmErr.h"
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#include "cmMem.h"
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#include "cmMallocDebug.h"
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#include "cmMidi.h"
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#include "cmMidiPort.h"
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typedef struct
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{
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bool inputFl;
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char* nameStr;
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SInt32 uid;
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MIDIEndpointRef epr;
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cmMpParserH_t parserH;
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double prevMicroSecs;
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} cmMpPort;
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typedef struct
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{
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char* nameStr;
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unsigned iPortCnt;
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cmMpPort* iPortArray;
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unsigned oPortCnt;
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cmMpPort* oPortArray;
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} cmMpDev;
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typedef struct
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{
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cmErr_t err;
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unsigned devCnt;
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cmMpDev* devArray;
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cmMpCallback_t cbFunc;
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void* cbDataPtr;
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MIDIClientRef clientRef;
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MIDIPortRef inPortRef;
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MIDIPortRef outPortRef;
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mach_timebase_info_data_t timeBaseInfo;
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} cmMpRoot;
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cmMpRoot _cmMpRoot = { {NULL,NULL,kOkMpRC}, 0, NULL, NULL, NULL, NULL, NULL, NULL };
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cmMpRC_t _cmMpError( cmErr_t* errPtr, cmMpRC_t rc, OSStatus err, const char* fmt, ... )
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{
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va_list vl;
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unsigned n0 = vsnprintf(NULL,0,fmt,vl);
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unsigned n1 = 0;
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unsigned n2 = 0;
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const char* fmt2 = "OS Status:%i";
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va_start(vl,fmt);
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if( err != noErr )
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n1 = snprintf(NULL,0,fmt2,err);
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unsigned bufCharCnt = n0 + n1;
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char buf[ bufCharCnt + 1];
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va_end(vl);
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va_start(vl,fmt);
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vsnprintf(buf,n0,fmt,vl);
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n2 = strlen(buf);
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snprintf(buf+n2,bufCharCnt-n2,fmt2,err);
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buf[bufCharCnt]=0;
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cmErrMsg(errPtr,rc,buf);
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va_end(vl);
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return rc;
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}
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char* _cmMpAllocStringProperty( cmErr_t* errPtr, MIDIObjectRef obj, CFStringRef propId )
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{
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OSStatus err;
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CFStringRef cfStrRef = NULL;
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char* strPtr = NULL;
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if(( err = MIDIObjectGetStringProperty(obj,propId,&cfStrRef)) != noErr )
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{
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_cmMpError(errPtr,kCfStringErrMpRC,err,"Get property failed.");
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return NULL;
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}
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unsigned charCnt = CFStringGetLength( cfStrRef ) + 1;
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if( charCnt > 0 )
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{
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strPtr = cmMemAllocZ( char, charCnt );
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if( !CFStringGetCString( cfStrRef, strPtr, charCnt, kCFStringEncodingASCII))
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{
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_cmMpError(errPtr,kCfStringErrMpRC,noErr,"CFstring to cstring failed.");
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cmMemFree(strPtr);
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strPtr = NULL;
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}
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}
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CFRelease(cfStrRef);
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return strPtr;
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}
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void _cmMpDeviceInit( cmMpDev* drp )
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{
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drp->nameStr = NULL;
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drp->iPortCnt = 0;
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drp->oPortCnt = 0;
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drp->iPortArray = NULL;
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drp->oPortArray = NULL;
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}
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void _cmMpDeviceFree( cmMpDev* drp )
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{
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unsigned i;
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for(i=0; i<drp->iPortCnt; ++i)
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{
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cmMemPtrFree(&drp->iPortArray[i].nameStr);
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cmMpParserDestroy( &drp->iPortArray[i].parserH );
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}
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for(i=0; i<drp->oPortCnt; ++i)
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cmMemPtrFree(&drp->oPortArray[i].nameStr);
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cmMemPtrFree(&drp->iPortArray);
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cmMemPtrFree(&drp->oPortArray);
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cmMemPtrFree(&drp->nameStr);
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_cmMpDeviceInit(drp);
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}
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void _cmMpDevicePrint( cmMpDev* drp, unsigned devIdx, cmRpt_t* rpt )
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{
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unsigned i,j;
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cmRptPrintf(rpt,"%i %s\n",devIdx,drp->nameStr);
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for(j=0; j<2; ++j)
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{
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unsigned portCnt = j==0 ? drp->iPortCnt : drp->oPortCnt;
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for(i=0; i<portCnt; ++i)
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{
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const cmMpPort* p = j==0 ? drp->iPortArray + i : drp->oPortArray + i ;
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cmRptPrintf(rpt,"%i %s id:0x:%x %s\n", i, p->inputFl ? "in " : "out", p->uid, p->nameStr );
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}
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}
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}
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char* _cmMpFormLabel( cmErr_t* errPtr, MIDIObjectRef obj )
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{
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char* modelStr = _cmMpAllocStringProperty( errPtr, obj, kMIDIPropertyManufacturer );
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char* nameStr = _cmMpAllocStringProperty( errPtr, obj, kMIDIPropertyModel );
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char* labelStr = cmMemAllocZ( char, strlen(modelStr) + strlen(nameStr) + 4 );
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strcpy(labelStr,modelStr);
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strcat(labelStr," - ");
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strcat(labelStr,nameStr);
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cmMemFree(modelStr);
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cmMemFree(nameStr);
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return labelStr;
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}
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char* _cmMpFormPortLabel( cmErr_t* errPtr, MIDIEntityRef mer, ItemCount pi, bool inputFl )
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{
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MIDIEndpointRef epr;
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if( inputFl )
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epr = MIDIEntityGetSource( mer, pi);
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else
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epr = MIDIEntityGetDestination( mer, pi);
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if(epr == NULL )
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{
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_cmMpError(errPtr,kSysErrMpRC,noErr,"Get %s endpoiint ref %i failed.", inputFl ? "source" : "destination",pi);
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return NULL;
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}
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return _cmMpAllocStringProperty( errPtr, (MIDIObjectRef)epr, kMIDIPropertyName );
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}
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// Fill id array with the unique id of each endpoint or 0 if the endpoint is offline.
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cmMpRC_t _cmMpGetEntityUniqueIdArray( MIDIEntityRef mer, SInt32* idArray, unsigned idCnt, bool inputFl, ItemCount* activeCntPtr, cmErr_t* errPtr )
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{
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cmMpRC_t rc = kOkMpRC;
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MIDIEndpointRef epr;
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unsigned pi;
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char* dirLabel = inputFl ? "source" : "dest";
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SInt32 offline;
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OSStatus err;
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*activeCntPtr = 0;
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for(pi=0; pi<idCnt; ++pi)
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{
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epr = inputFl ? MIDIEntityGetSource( mer, pi) : MIDIEntityGetDestination( mer, pi);
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if(epr == NULL )
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{
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rc = _cmMpError(errPtr,kSysErrMpRC,noErr,"Get %s endpoiint ref %i failed.",dirLabel,pi);
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goto errLabel;
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}
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offline = 1;
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if((err = MIDIObjectGetIntegerProperty( epr, kMIDIPropertyOffline, &offline)) != noErr )
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{
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rc= _cmMpError(errPtr,kSysErrMpRC,err,"Get online status on %s endpoint %i failed.",dirLabel,pi);
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goto errLabel;
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}
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if( offline )
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idArray[pi] = 0;
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else
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{
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++*activeCntPtr;
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if(( err = MIDIObjectGetIntegerProperty( epr, kMIDIPropertyUniqueID, idArray + pi)) != noErr )
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{
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rc = _cmMpError(errPtr,kSysErrMpRC,err,"Get unique id on %s endpoint %i failed.",dirLabel,pi);
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goto errLabel;
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}
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}
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}
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errLabel:
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return rc;
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}
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cmMpRC_t _cmMpInitPortArray( unsigned devIdx, MIDIPortRef mpr, MIDIEntityRef mer, cmMpPort* portArray, SInt32* idArray, unsigned portCnt, bool inputFl, cmMpCallback_t cbFunc, void* cbDataPtr, unsigned parserBufByteCnt, cmErr_t* errPtr )
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{
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cmMpRC_t rc = kOkMpRC;
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unsigned pi;
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for(pi=0; pi<portCnt; ++pi)
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{
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MIDIEndpointRef epr = inputFl ? MIDIEntityGetSource(mer,pi) : MIDIEntityGetDestination(mer,pi);
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if( epr == NULL )
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return _cmMpError(errPtr,kSysErrMpRC,noErr,"Get %s endpoiint ref %i failed.",inputFl ? "source" : "destination", pi);
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// if this is an active input port then connect it to the source port
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if( inputFl && (idArray[pi] != 0) )
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{
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OSStatus err = noErr;
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if((err = MIDIPortConnectSource( mpr, epr, portArray + pi )) != noErr )
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return _cmMpError(errPtr,kSysErrMpRC,err,"Source connect failed on port:%i",pi);
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portArray[pi].parserH = cmMpParserCreate( devIdx, pi, cbFunc, cbDataPtr, parserBufByteCnt, errPtr->rpt );
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}
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portArray[pi].uid = idArray[pi];
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portArray[pi].inputFl = inputFl;
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portArray[pi].nameStr = _cmMpFormPortLabel(errPtr, mer, pi, inputFl );
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portArray[pi].epr = epr;
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portArray[pi].prevMicroSecs = 0;
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}
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return rc;
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}
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cmMpRC_t _cmMpGetActiveEntityPortCount( MIDIEntityRef mer, bool inputFl, ItemCount* portCntPtr, ItemCount* activePortCntPtr, cmErr_t* errPtr )
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{
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*portCntPtr = inputFl ? MIDIEntityGetNumberOfSources( mer ) : MIDIEntityGetNumberOfDestinations( mer );
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SInt32 idArray[ *portCntPtr ];
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return _cmMpGetEntityUniqueIdArray( mer, idArray, *portCntPtr, inputFl, activePortCntPtr, errPtr );
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}
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cmMpRC_t _cmMpIsDeviceActive( unsigned devIdx, MIDIDeviceRef mdr, ItemCount* srcCntPtr, ItemCount* dstCntPtr, bool* activeFlPtr, cmErr_t* errPtr )
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{
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cmMpRC_t rc = kOkMpRC;
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ItemCount entityCnt = MIDIDeviceGetNumberOfEntities(mdr);
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unsigned ei;
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*srcCntPtr = 0;
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*dstCntPtr = 0;
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*activeFlPtr = false;
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for(ei=0; ei<entityCnt; ++ei)
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{
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ItemCount srcCnt = 0;
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ItemCount dstCnt = 0;
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ItemCount activeCnt = 0;
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MIDIEntityRef mer;
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if((mer = MIDIDeviceGetEntity( mdr, ei)) == NULL )
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return _cmMpError( errPtr,kSysErrMpRC,noErr,"Get midi device %i entity %i failed.",devIdx,ei);
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if((rc= _cmMpGetActiveEntityPortCount(mer,true,&srcCnt,&activeCnt,errPtr)) != kOkMpRC )
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return _cmMpError( errPtr, rc, noErr, "Error retrieving source port information for device:%i entity:%i",devIdx,ei);
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*srcCntPtr += srcCnt;
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if( activeCnt )
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*activeFlPtr = true;
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activeCnt = 0;
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if((rc= _cmMpGetActiveEntityPortCount(mer,false,&dstCnt,&activeCnt,errPtr)) != kOkMpRC )
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return _cmMpError( errPtr, rc, noErr, "Error retrieving destination port information for device:%i entity:%i",devIdx,ei);
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*dstCntPtr += dstCnt;
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if( activeCnt )
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*activeFlPtr = true;
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}
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return rc;
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}
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cmMpRC_t _cmMpCreateDevice( unsigned devIdx, cmMpDev* drp, MIDIPortRef inPortRef, cmMpCallback_t cbFunc, void* cbDataPtr, unsigned parserBufByteCnt, cmErr_t* errPtr )
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{
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cmMpRC_t rc = kOkMpRC;
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MIDIDeviceRef mdr;
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ItemCount devSrcCnt = 0;
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ItemCount devDstCnt = 0;
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bool activeFl = false;
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unsigned ei;
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// zero the device record
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_cmMpDeviceInit(drp);
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// get the device ref
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if((mdr = MIDIGetDevice(devIdx)) == NULL )
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return _cmMpError(errPtr,kSysErrMpRC,noErr,"Get midi device %i failed.",devIdx);
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// determine if the device port count and whether it is active
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if((rc = _cmMpIsDeviceActive(devIdx, mdr, &devSrcCnt, &devDstCnt, &activeFl, errPtr )) != kOkMpRC )
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return rc;
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// if the device is not active return with the device record empty
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if( !activeFl)
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return kOkMpRC;
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// allocate the input port array
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drp->iPortCnt = devSrcCnt;
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drp->iPortArray = cmMemAllocZ( cmMpPort, devSrcCnt );
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// allocate the output port array
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drp->oPortCnt = devDstCnt;
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drp->oPortArray = cmMemAllocZ( cmMpPort, devDstCnt );
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// form the device name string
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drp->nameStr = _cmMpFormLabel( errPtr, (MIDIObjectRef)mdr);
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unsigned entityCnt = MIDIDeviceGetNumberOfEntities(mdr);
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unsigned iPortCnt = 0;
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unsigned oPortCnt = 0;
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// for each entity on this device
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for(ei=0; ei<entityCnt; ++ei)
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{
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MIDIEntityRef mer;
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unsigned i;
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// get the entity reference
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if((mer = MIDIDeviceGetEntity( mdr, ei)) == NULL )
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{
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rc = _cmMpError(errPtr,kSysErrMpRC,noErr,"Get midi device %i entity %i failed.",devIdx,ei);
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goto errLabel;
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}
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// for each input and output on this entity
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for( i=0; i<2; ++i)
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{
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bool inputFl = i==0;
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ItemCount activeCnt = 0;
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unsigned portCnt = inputFl ? iPortCnt : oPortCnt;
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cmMpPort* portArray = inputFl ? drp->iPortArray : drp->oPortArray;
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ItemCount entityPortCnt = inputFl ? MIDIEntityGetNumberOfSources( mer ) : MIDIEntityGetNumberOfDestinations( mer );
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SInt32 idArray[ entityPortCnt ];
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// fill idArray with the unique id's of the active ports on this entity
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if((rc = _cmMpGetEntityUniqueIdArray(mer,idArray,entityPortCnt,inputFl,&activeCnt,errPtr)) != kOkMpRC )
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{
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rc = _cmMpError(errPtr,rc,noErr,"Unable to locate unique source ids on device:%i entity:%i",devIdx,ei);
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goto errLabel;
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}
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// assign the unique id's to each cmMpPort assoc'd with this entity
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_cmMpInitPortArray(devIdx, inPortRef, mer, portArray + portCnt, idArray, entityPortCnt, inputFl, cbFunc, cbDataPtr, parserBufByteCnt, errPtr );
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if( inputFl )
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iPortCnt += entityPortCnt;
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else
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oPortCnt += entityPortCnt;
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}
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}
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assert( iPortCnt == devSrcCnt );
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assert( oPortCnt == devDstCnt );
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errLabel:
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if( rc != kOkMpRC )
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_cmMpDeviceFree(drp);
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return rc;
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}
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void _cmMpDestroyDeviceArray( cmMpRoot* rp )
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{
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unsigned i;
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for(i=0; i<rp->devCnt; ++i)
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_cmMpDeviceFree( rp->devArray + i );
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cmMemPtrFree(&rp->devArray);
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rp->devCnt = 0;
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}
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cmMpRC_t _cmMpCreateDeviceArray( cmMpRoot* rp, unsigned parserBufByteCnt )
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{
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cmMpRC_t rc = kOkMpRC;
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ItemCount devCnt = MIDIGetNumberOfDevices();
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ItemCount di = 0;
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rp->devCnt = 0;
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rp->devArray = cmMemAllocZ( cmMpDev, devCnt );
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for(di=0; di<devCnt; ++di)
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{
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cmMpDev* drp = rp->devArray + rp->devCnt;
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// attempt to create a device record for device di
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if((rc = _cmMpCreateDevice( di, drp, rp->inPortRef, rp->cbFunc, rp->cbDataPtr, parserBufByteCnt, &rp->err )) != kOkMpRC )
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goto errLabel;
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// if the device di is active
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if( drp->iPortCnt || drp->oPortCnt )
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++rp->devCnt;
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}
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errLabel:
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if( rc != kOkMpRC )
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_cmMpDestroyDeviceArray(rp);
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return rc;
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}
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void _cmMpMidiSystemNotifyProc( const MIDINotification* notifyMsgPtr, void *refCon )
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{
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// cmMpRoot* p = (mdRoot*)refCon;
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// if(p != NULL )
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// ((fw::osxMidiPorts*)refCon)->onNotify(notifyMsgPtr);
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}
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void _cmMpMIDISystemReadProc( const MIDIPacketList *pktListPtr, void* readProcRefCon, void* srcConnRefCon )
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{
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cmMpRoot* rp = (cmMpRoot*)readProcRefCon;
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cmMpPort* pp = (cmMpPort*)srcConnRefCon;
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unsigned i;
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if( pktListPtr == NULL || rp == NULL || pp == NULL || rp->cbFunc == NULL )
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return;
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const MIDIPacket* packetPtr = &pktListPtr->packet[0];
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for(i=0; i < pktListPtr->numPackets; ++i)
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{
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/*
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unsigned j;
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for(j=0; j<packetPtr->length; ++j)
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printf("0x%x ", packetPtr->data[j]);
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printf("\n");
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*/
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// About converting mach_absolute_time() to seconds: http://lists.apple.com/archives/carbon-dev/2007/Jan//msg00282.html
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// About MIDIPacket.timeStamp: http://developer.apple.com/library/ios/#documentation/CoreMidi/Reference/MIDIServices_Reference/Reference/reference.html
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double nano = 1e-9 * ( (double) _cmMpRoot.timeBaseInfo.numer) / ((double) _cmMpRoot.timeBaseInfo.denom);
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// so here's the delta in nanoseconds:
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double nanoSeconds = ((double) packetPtr->timeStamp) * nano;
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// 1000 times that for microSeconds:
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double microSecs = 1000.0f * nanoSeconds;
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double deltaMicroSecs = microSecs - pp->prevMicroSecs;
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pp->prevMicroSecs = microSecs;
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assert( pp->inputFl == true );
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cmMpParseMidiData( pp->parserH, (unsigned)deltaMicroSecs, packetPtr->data, packetPtr->length );
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packetPtr = MIDIPacketNext(packetPtr);
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}
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}
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cmMpPort* _cmMpGetPort( cmMpDev* drp, unsigned portIdx, unsigned flags )
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{
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assert( flags != 0 );
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bool inputFl = cmIsFlag(flags, kInMpFl);
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assert( portIdx < (inputFl ? drp->iPortCnt : drp->oPortCnt));
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return inputFl ? drp->iPortArray + portIdx : drp->oPortArray + portIdx;
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}
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cmMpRC_t cmMpInitialize( cmMpCallback_t cbFunc, void* cbDataPtr, unsigned parserBufByteCnt, const char* appNameStr, cmRpt_t* rpt )
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{
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cmMpRC_t rc = kOkMpRC;
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OSStatus err = noErr;
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CFStringRef clientNameStrRef = NULL;
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CFStringRef inPortNameStrRef = NULL;
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CFStringRef outPortNameStrRef = NULL;
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if((rc = cmMpFinalize()) != kOkMpRC )
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return rc;
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cmErrSetup(&_cmMpRoot.err,rpt,"MIDI Port");
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_cmMpRoot.cbFunc = cbFunc;
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_cmMpRoot.cbDataPtr = cbDataPtr;
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if(( clientNameStrRef = CFStringCreateWithCString(NULL,"MIDI",kCFStringEncodingASCII)) == NULL )
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{
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rc = _cmMpError(&_cmMpRoot.err,kCfStringErrMpRC,noErr,"Client name create failed.");
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goto errLabel;
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}
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if(( err = MIDIClientCreate( clientNameStrRef, _cmMpMidiSystemNotifyProc, &_cmMpRoot, &_cmMpRoot.clientRef )) != noErr )
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{
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rc = _cmMpError(&_cmMpRoot.err,kSysErrMpRC,err,"Client create failed.");
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goto errLabel;
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}
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if((inPortNameStrRef = CFStringCreateWithCString(NULL,"in",kCFStringEncodingASCII)) == NULL )
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{
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rc = _cmMpError(&_cmMpRoot.err,kCfStringErrMpRC,noErr,"In port name string create failed.");
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goto errLabel;
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}
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if((err = MIDIInputPortCreate( _cmMpRoot.clientRef, inPortNameStrRef, _cmMpMIDISystemReadProc, &_cmMpRoot, &_cmMpRoot.inPortRef)) != noErr )
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{
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rc = _cmMpError(&_cmMpRoot.err,kSysErrMpRC,err,"In port create failed.");
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goto errLabel;
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}
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if((outPortNameStrRef = CFStringCreateWithCString(NULL,"out",kCFStringEncodingASCII)) == NULL )
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{
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rc = _cmMpError(&_cmMpRoot.err,kCfStringErrMpRC,noErr,"Out port name string create failed.");
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goto errLabel;
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}
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if((err = MIDIOutputPortCreate( _cmMpRoot.clientRef, outPortNameStrRef, &_cmMpRoot.outPortRef)) != noErr )
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{
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rc = _cmMpError(&_cmMpRoot.err,kSysErrMpRC,err,"Out port create failed.");
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goto errLabel;
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}
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if((rc = _cmMpCreateDeviceArray(&_cmMpRoot,parserBufByteCnt)) != kOkMpRC )
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goto errLabel;
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mach_timebase_info(&_cmMpRoot.timeBaseInfo);
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errLabel:
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if( clientNameStrRef != NULL )
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CFRelease(clientNameStrRef);
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if( inPortNameStrRef != NULL )
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CFRelease(inPortNameStrRef);
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if( outPortNameStrRef != NULL )
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CFRelease(outPortNameStrRef);
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if( rc != kOkMpRC )
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cmMpFinalize();
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return rc;
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}
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cmMpRC_t cmMpFinalize()
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{
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OSStatus err = noErr;
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cmMpRC_t rc = kOkMpRC;
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if( _cmMpRoot.inPortRef != NULL )
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{
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if((err = MIDIPortDispose(_cmMpRoot.inPortRef)) != noErr )
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rc = _cmMpError(&_cmMpRoot.err,kSysErrMpRC,err,"MIDIPortDispose() failed on the input port.");
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else
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_cmMpRoot.inPortRef = NULL;
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}
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if( _cmMpRoot.outPortRef != NULL )
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{
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if((err = MIDIPortDispose(_cmMpRoot.outPortRef)) != noErr )
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rc = _cmMpError(&_cmMpRoot.err,kSysErrMpRC,err,"MIDIPortDispose() failed on the output port.");
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else
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_cmMpRoot.outPortRef = NULL;
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}
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if( _cmMpRoot.clientRef != NULL )
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{
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if((err = MIDIClientDispose(_cmMpRoot.clientRef)) != noErr )
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rc = _cmMpError(&_cmMpRoot.err,kSysErrMpRC,err,"MIDIClientDispose() failed.");
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else
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_cmMpRoot.clientRef = NULL;
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}
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_cmMpDestroyDeviceArray(&_cmMpRoot);
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_cmMpRoot.devCnt = 0;
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_cmMpRoot.devArray = NULL;
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_cmMpRoot.cbFunc = NULL;
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_cmMpRoot.cbDataPtr = NULL;
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_cmMpRoot.clientRef = NULL;
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_cmMpRoot.inPortRef = NULL;
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_cmMpRoot.outPortRef = NULL;
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return rc;
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}
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bool cmMpIsInitialized()
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{ return _cmMpRoot.clientRef != NULL; }
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unsigned cmMpDeviceCount()
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{
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return _cmMpRoot.devCnt;
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}
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const char* cmMpDeviceName( unsigned devIdx )
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{
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assert( devIdx < _cmMpRoot.devCnt );
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return _cmMpRoot.devArray[devIdx].nameStr;
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}
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unsigned cmMpDevicePortCount( unsigned devIdx, unsigned flags )
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{
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assert( devIdx < _cmMpRoot.devCnt );
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return cmIsFlag(flags,kInMpFl) ? _cmMpRoot.devArray[devIdx].iPortCnt : _cmMpRoot.devArray[devIdx].oPortCnt;
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}
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const char* cmMpDevicePortName( unsigned devIdx, unsigned flags, unsigned portIdx )
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{
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assert( devIdx < _cmMpRoot.devCnt );
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cmMpDev* drp = _cmMpRoot.devArray + devIdx;
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assert( portIdx < (cmIsFlag(flags,kInMpFl) ? drp->iPortCnt : drp->oPortCnt));
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return _cmMpGetPort( drp, portIdx, flags )->nameStr;
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}
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cmMpRC_t cmMpDeviceSend( unsigned devIdx, unsigned portIdx, cmMidiByte_t status, cmMidiByte_t d0, cmMidiByte_t d1 )
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{
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assert( devIdx < _cmMpRoot.devCnt );
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cmMpDev* drp = _cmMpRoot.devArray + devIdx;
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cmMpPort* pp = _cmMpGetPort( drp, portIdx, kOutMpFl);
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OSStatus err = noErr;
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MIDIPacketList mpl;
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unsigned byteCnt = cmMidiStatusToByteCount(status & 0xf0 );
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if( byteCnt == 0 )
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return _cmMpError(&_cmMpRoot.err,kInvalidArgMpRC,noErr,"Invalid status byte (0x%x) on send to device:%i port:%i",status,devIdx,portIdx);
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mpl.numPackets = 1;
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mpl.packet[0].timeStamp = 0;
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mpl.packet[0].length = byteCnt;
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mpl.packet[0].data[0] = status;
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mpl.packet[0].data[1] = d0;
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mpl.packet[0].data[2] = d1;
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if(( err = MIDISend( _cmMpRoot.outPortRef, pp->epr, &mpl)) != noErr )
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return _cmMpError(&_cmMpRoot.err,kSysErrMpRC,err,"Send on device:%i port:%i failed.",devIdx,portIdx);
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return kOkMpRC;
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}
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cmMpRC_t cmMpDeviceSendData( unsigned devIdx, unsigned portIdx, const cmMidiByte_t* dataPtr, unsigned byteCnt )
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{
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assert( devIdx < _cmMpRoot.devCnt );
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cmMpDev* drp = _cmMpRoot.devArray + devIdx;
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cmMpPort* pp = _cmMpGetPort( drp, portIdx, kOutMpFl);
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OSStatus err = noErr;
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MIDIPacketList mpl;
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unsigned i;
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if( byteCnt > 256 )
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return _cmMpError(&_cmMpRoot.err,kInvalidArgMpRC,noErr,"mdDeviceSendData() only support data buffers up to 256 bytes.");
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mpl.numPackets = 1;
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mpl.packet[0].timeStamp = 0;
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mpl.packet[0].length = byteCnt;
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for(i=0; i<byteCnt; i++)
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mpl.packet[0].data[i] = dataPtr[i];
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if(( err = MIDISend( _cmMpRoot.outPortRef, pp->epr, &mpl)) != noErr )
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return _cmMpError(&_cmMpRoot.err,kSysErrMpRC,err,"Data Send on device:%i port:%i failed.",devIdx,portIdx);
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return kOkMpRC;
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}
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cmMpRC_t cmMpInstallCallback( unsigned devIdx, unsigned portIdx, cmMpCallback_t cbFunc, void* cbDataPtr )
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{
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cmMpRC_t rc = kOkMpRC;
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unsigned di;
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unsigned dn = cmMpDeviceCount();
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for(di=0; di<dn; ++di)
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if( di==devIdx || devIdx == -1 )
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{
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unsigned pi;
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unsigned pn = cmMpDevicePortCount(di,kInMpFl);
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for(pi=0; pi<pn; ++pi)
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if( pi==portIdx || portIdx == -1 )
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if( cmMpParserInstallCallback( _cmMpRoot.devArray[di].iPortArray[pi].parserH, cbFunc, cbDataPtr ) != kOkMpRC )
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goto errLabel;
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}
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errLabel:
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return rc;
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}
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cmMpRC_t cmMpRemoveCallback( unsigned devIdx, unsigned portIdx, cmMpCallback_t cbFunc, void* cbDataPtr )
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{
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cmMpRC_t rc = kOkMpRC;
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unsigned di;
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unsigned dn = cmMpDeviceCount();
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unsigned remCnt = 0;
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for(di=0; di<dn; ++di)
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if( di==devIdx || devIdx == -1 )
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{
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unsigned pi;
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unsigned pn = cmMpDevicePortCount(di,kInMpFl);
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for(pi=0; pi<pn; ++pi)
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if( pi==portIdx || portIdx == -1 )
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if( cmMpParserHasCallback( _cmMpRoot.devArray[di].iPortArray[pi].parserH, cbFunc, cbDataPtr ) )
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{
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if( cmMpParserRemoveCallback( _cmMpRoot.devArray[di].iPortArray[pi].parserH, cbFunc, cbDataPtr ) != kOkMpRC )
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goto errLabel;
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else
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++remCnt;
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}
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}
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if( remCnt == 0 && dn > 0 )
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rc = _cmMpError(&_cmMpRoot.err,kCbNotFoundMpRC,0,"The callback was not found on any of the specified devices or ports.");
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errLabel:
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return rc;
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}
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bool cmMpUsesCallback( unsigned devIdx, unsigned portIdx, cmMpCallback_t cbFunc, void* cbDataPtr )
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{
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unsigned di;
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unsigned dn = cmMpDeviceCount();
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for(di=0; di<dn; ++di)
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if( di==devIdx || devIdx == -1 )
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{
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unsigned pi;
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unsigned pn = cmMpDevicePortCount(di,kInMpFl);
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for(pi=0; pi<pn; ++pi)
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if( pi==portIdx || portIdx == -1 )
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if( cmMpParserHasCallback( _cmMpRoot.devArray[di].iPortArray[pi].parserH, cbFunc, cbDataPtr ) )
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return true;
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}
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return false;
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}
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void cmMpReport( cmRpt_t* rpt )
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{
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unsigned i;
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for(i=0; i<_cmMpRoot.devCnt; ++i)
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_cmMpDevicePrint(_cmMpRoot.devArray + i, i, rpt );
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}
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