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cmMidiFile.h/c : In cmMIdiFileInsertTrack???() return the 'uid' of the new event record.

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This commit is contained in:
kevin 2016-09-07 17:35:01 -04:00
parent 1da843a380
commit 3ef0c6fd3a
2 changed files with 16 additions and 8 deletions
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18
cmMidiFile.c
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@ -1368,10 +1368,13 @@ cmMfRC_t cmMidiFileInsertMsg( cmMidiFileH_t h, unsigned uid, int dtick, cmMidiBy
}
cmMfRC_t cmMidiFileInsertTrackMsg( cmMidiFileH_t h, unsigned trkIdx, const cmMidiTrackMsg_t* msg )
cmMfRC_t cmMidiFileInsertTrackMsg( cmMidiFileH_t h, unsigned trkIdx, const cmMidiTrackMsg_t* msg, unsigned* uidRef )
{
_cmMidiFile_t* p = _cmMidiFileHandleToPtr(h);
if( uidRef != NULL )
*uidRef = cmInvalidId;
// validate the track index
if( trkIdx >= p->trkN )
return cmErrMsg(&p->err,kInvalidTrkIndexMfRC,"The track index (%i) is invalid.",trkIdx);
@ -1395,6 +1398,9 @@ cmMfRC_t cmMidiFileInsertTrackMsg( cmMidiFileH_t h, unsigned trkIdx, const cmMi
memcpy((void*)m->u.voidPtr,msg->u.voidPtr,msg->byteCnt);
}
if( uidRef != NULL )
*uidRef = m->uid;
cmMidiTrackMsg_t* m0 = NULL; // msg before insertion
cmMidiTrackMsg_t* m1 = p->trkV[trkIdx].base; // msg after insertion
@ -1448,12 +1454,14 @@ cmMfRC_t cmMidiFileInsertTrackMsg( cmMidiFileH_t h, unsigned trkIdx, const cmMi
p->trkV[trkIdx].cnt += 1;
p->msgVDirtyFl = true;
return kOkMfRC;
}
cmMfRC_t cmMidiFileInsertTrackChMsg( cmMidiFileH_t h, unsigned trkIdx, unsigned atick, cmMidiByte_t status, cmMidiByte_t d0, cmMidiByte_t d1 )
cmMfRC_t cmMidiFileInsertTrackChMsg( cmMidiFileH_t h, unsigned trkIdx, unsigned atick, cmMidiByte_t status, cmMidiByte_t d0, cmMidiByte_t d1, unsigned* uidRef )
{
cmMidiTrackMsg_t m;
cmMidiChMsg_t cm;
@ -1472,10 +1480,10 @@ cmMfRC_t cmMidiFileInsertTrackChMsg( cmMidiFileH_t h, unsigned trkIdx, unsigned
assert( m.status >= kNoteOffMdId && m.status <= kPbendMdId );
return cmMidiFileInsertTrackMsg(h,trkIdx,&m);
return cmMidiFileInsertTrackMsg(h,trkIdx,&m,uidRef);
}
cmMfRC_t cmMidFileInsertTrackTempoMsg( cmMidiFileH_t h, unsigned trkIdx, unsigned atick, unsigned bpm )
cmMfRC_t cmMidFileInsertTrackTempoMsg( cmMidiFileH_t h, unsigned trkIdx, unsigned atick, unsigned bpm, unsigned* uidRef )
{
cmMidiTrackMsg_t m;
@ -1486,7 +1494,7 @@ cmMfRC_t cmMidFileInsertTrackTempoMsg( cmMidiFileH_t h, unsigned trkIdx, unsign
m.metaId = kTempoMdId;
m.u.iVal = 60000000/bpm; // convert BPM to microsPerQN
return cmMidiFileInsertTrackMsg(h,trkIdx,&m);
return cmMidiFileInsertTrackMsg(h,trkIdx,&m,uidRef);
}

6
cmMidiFile.h
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@ -185,9 +185,9 @@ extern "C" {
// byteCnt - used to allocate storage for the data element in 'cmMidiTrackMsg_t.u'
// u - the message data
//
cmMfRC_t cmMidiFileInsertTrackMsg( cmMidiFileH_t h, unsigned trkIdx, const cmMidiTrackMsg_t* msg );
cmMfRC_t cmMidiFileInsertTrackChMsg( cmMidiFileH_t h, unsigned trkIdx, unsigned atick, cmMidiByte_t status, cmMidiByte_t d0, cmMidiByte_t d1 );
cmMfRC_t cmMidFileInsertTrackTempoMsg( cmMidiFileH_t h, unsigned trkIdx, unsigned atick, unsigned bpm );
cmMfRC_t cmMidiFileInsertTrackMsg( cmMidiFileH_t h, unsigned trkIdx, const cmMidiTrackMsg_t* msg, unsigned* uidRef );
cmMfRC_t cmMidiFileInsertTrackChMsg( cmMidiFileH_t h, unsigned trkIdx, unsigned atick, cmMidiByte_t status, cmMidiByte_t d0, cmMidiByte_t d1, unsigned* uidRef );
cmMfRC_t cmMidFileInsertTrackTempoMsg( cmMidiFileH_t h, unsigned trkIdx, unsigned atick, unsigned bpm, unsigned* uidRef );
// Return a pointer to the first msg at or after 'usecsOffs' or kInvalidIdx if no
// msg exists after 'usecsOffs'. Note that 'usecOffs' is an offset from the beginning