cmMidiFile.h/c, cmMidiFilePlay.c : Changed cmMidiTrackMsg_t.atick and amicro to type unsigned long long.
This commit is contained in:
kevin
parent
82f6e44441
commit
886bc82a52
112
cmMidiFile.c
112
cmMidiFile.c
@ -428,7 +428,7 @@ int _cmMidiFileSortFunc( const void *p0, const void* p1 )
|
||||
void _cmMidiFileSetAccumulateTicks( _cmMidiFile_t* p )
|
||||
{
|
||||
cmMidiTrackMsg_t* nextTrkMsg[ p->trkN ]; // next msg in each track
|
||||
unsigned atick = 0;
|
||||
unsigned long long atick = 0;
|
||||
unsigned i;
|
||||
|
||||
// iniitalize nextTrkTick[] and nextTrkMsg[].
|
||||
@ -466,8 +466,8 @@ void _cmMidiFileSetAbsoluteTime( _cmMidiFile_t* mfp )
|
||||
double microsPerQN = 60000000/120; // default tempo;
|
||||
double amicro = 0;
|
||||
double microsPerTick = microsPerQN / mfp->ticksPerQN;
|
||||
double maxDMicro = 60000000;
|
||||
bool fl = true;
|
||||
//double maxDMicro = 60000000;
|
||||
//bool fl = false;
|
||||
unsigned i;
|
||||
|
||||
for(i=0; i<mfp->msgN; ++i)
|
||||
@ -482,6 +482,7 @@ void _cmMidiFileSetAbsoluteTime( _cmMidiFile_t* mfp )
|
||||
dtick = mp->atick - mfp->msgV[i-1]->atick;
|
||||
}
|
||||
|
||||
/*
|
||||
// if this is the first msg with a dtick greater than zero
|
||||
if( fl && mfp->msgV[i]->dtick > 0 )
|
||||
{
|
||||
@ -490,7 +491,7 @@ void _cmMidiFileSetAbsoluteTime( _cmMidiFile_t* mfp )
|
||||
// if this mesg has a large offset
|
||||
if( microsPerTick * dtick > maxDMicro )
|
||||
{
|
||||
cmErrWarnMsg(&mfp->err,kLargeDeltaTickMfRC,"A message delta time of %f seconds was decreased to %f seconds.",(double)microsPerTick * dtick/1000000.0,(double)maxDMicro/1000000.0);
|
||||
cmErrWarnMsg(&mfp->err,kLargeDeltaTickMfRC,"An initial message delta time of %f seconds was decreased to %f seconds in '%s'.",(double)microsPerTick * dtick/1000000.0,(double)maxDMicro/1000000.0,cmStringNullGuard(mfp->fn));
|
||||
|
||||
// change the dtick to 1 (so it will still be the first msg w/ a non-zero dtick)
|
||||
mfp->msgV[i]->dtick = 1;
|
||||
@ -503,6 +504,7 @@ void _cmMidiFileSetAbsoluteTime( _cmMidiFile_t* mfp )
|
||||
|
||||
}
|
||||
}
|
||||
*/
|
||||
|
||||
amicro += microsPerTick * dtick;
|
||||
mp->amicro = round(amicro);
|
||||
@ -631,94 +633,20 @@ cmMfRC_t cmMidiFileOpen( cmCtx_t* ctx, cmMidiFileH_t* hPtr, const char* fn )
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
double microsPerQN = 60000000/120; // default tempo;
|
||||
double microsPerTick;
|
||||
|
||||
double maxDMicro = 60.0 * 1000000.0; // max time between events (60 seconds)
|
||||
|
||||
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);
|
||||
|
||||
// convert dtick to microseconds
|
||||
unsigned dmicro = round(tmp->dtick * microsPerTick);
|
||||
|
||||
if( dmicro > maxDMicro )
|
||||
{
|
||||
tmp->dtick = round(maxDMicro / microsPerTick);
|
||||
cmErrWarnMsg(&mfp->err,kLargeDeltaTickMfRC,"A message delta time of %f seconds was decreased to %f seconds.",(double)dmicro/1000000.0,(double)maxDMicro/1000000.0);
|
||||
}
|
||||
|
||||
tick += tmp->dtick; // convert delta-ticks to absolute ticks
|
||||
tmp->atick = tick;
|
||||
tmp->uid = mfp->nextUid++; // assign the msg uid
|
||||
tmp->dmicro = dmicro;
|
||||
mfp->msgV[i] = tmp;
|
||||
mfp->fn = _cmMidiFileMalloc(mfp,strlen(fn)+1);
|
||||
assert( mfp->fn != NULL );
|
||||
strcpy(mfp->fn,fn);
|
||||
|
||||
|
||||
|
||||
// track tempo changes
|
||||
if( tmp->status == kMetaStId && tmp->metaId == kTempoMdId )
|
||||
microsPerTick = tmp->u.iVal / mfp->ticksPerQN;
|
||||
|
||||
tmp = tmp->link;
|
||||
++i;
|
||||
}
|
||||
}
|
||||
*/
|
||||
|
||||
//
|
||||
// set the atick value in each msg
|
||||
_cmMidiFileSetAccumulateTicks(mfp);
|
||||
|
||||
// sort msgV[] in ascending order on atick
|
||||
qsort( mfp->msgV, mfp->msgN, sizeof(cmMidiTrackMsg_t*), _cmMidiFileSortFunc );
|
||||
|
||||
// set the amicro value in each msg
|
||||
_cmMidiFileSetAbsoluteTime(mfp);
|
||||
|
||||
/*
|
||||
// set the amicro field of each midi message to the
|
||||
// absolute time offset in microseconds
|
||||
unsigned mi;
|
||||
double 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 += microsPerTick * dtick;
|
||||
mp->amicro = round(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);
|
||||
|
||||
mfp->fn = _cmMidiFileMalloc(mfp,strlen(fn)+1);
|
||||
assert( mfp->fn != NULL );
|
||||
strcpy(mfp->fn,fn);
|
||||
|
||||
|
||||
hPtr->h = mfp;
|
||||
|
||||
errLabel:
|
||||
@ -1199,7 +1127,7 @@ const cmMidiTrackMsg_t** cmMidiFileMsgArray( cmMidiFileH_t h )
|
||||
return (const cmMidiTrackMsg_t**)mfp->msgV;
|
||||
}
|
||||
|
||||
unsigned cmMidiFileSeekUsecs( cmMidiFileH_t h, unsigned offsUSecs, unsigned* msgUsecsPtr, unsigned* microsPerTickPtr )
|
||||
unsigned cmMidiFileSeekUsecs( cmMidiFileH_t h, unsigned long long offsUSecs, unsigned* msgUsecsPtr, unsigned* microsPerTickPtr )
|
||||
{
|
||||
_cmMidiFile_t* p;
|
||||
|
||||
@ -1217,22 +1145,6 @@ 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;
|
||||
|
||||
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;
|
||||
|
||||
@ -65,8 +65,8 @@ extern "C" {
|
||||
{
|
||||
unsigned uid; // uid's are unique among all msg's in the file
|
||||
unsigned dtick; // delta ticks between events on this track
|
||||
unsigned atick; // global (all tracks interleaved) accumulated ticks
|
||||
unsigned amicro; // global (all tracks interleaved) accumulated microseconds adjusted for tempo changes
|
||||
unsigned long long atick; // global (all tracks interleaved) accumulated ticks
|
||||
unsigned long long 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; //
|
||||
@ -151,7 +151,7 @@ extern "C" {
|
||||
// of the file.
|
||||
// On return *'msgUsecsPtr' is set to the actual time of the msg.
|
||||
// (which will be equal to or greater than 'usecsOffs').
|
||||
unsigned cmMidiFileSeekUsecs( cmMidiFileH_t h, unsigned usecsOffs, unsigned* msgUsecsPtr, unsigned* newMicrosPerTickPtr );
|
||||
unsigned cmMidiFileSeekUsecs( cmMidiFileH_t h, unsigned long long usecsOffs, unsigned* msgUsecsPtr, unsigned* newMicrosPerTickPtr );
|
||||
|
||||
double cmMidiFileDurSecs( cmMidiFileH_t h );
|
||||
|
||||
|
||||
@ -218,7 +218,7 @@ cmMfpRC_t cmMfpClock( cmMfpH_t h, unsigned dusecs )
|
||||
// send the current message
|
||||
p->cbFunc( p->userCbPtr, p->mtime, mp );
|
||||
|
||||
unsigned amicro = mp->amicro;
|
||||
unsigned long long amicro = mp->amicro;
|
||||
|
||||
++(p->msgIdx);
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user