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file player cue point and loop tracking

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no loop trail yet
This commit is contained in:
tildearrow 2025-10-30 04:07:27 -05:00
parent 3c106f7861
commit 319da2d391
7 changed files with 213 additions and 30 deletions
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82
src/engine/filePlayer.cpp
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@ -208,6 +208,19 @@ void DivFilePlayer::mix(float** buf, int chans, unsigned int size) {
}
for (unsigned int i=0; i<size; i++) {
// acknowledge pending events
if (pendingPosOffset==i) {
pendingPosOffset=UINT_MAX;
playPos=pendingPos;
rateAccum=0;
}
if (pendingPlayOffset==i) {
playing=true;
}
if (pendingStopOffset==i) {
playing=false;
}
ssize_t blockIndex=playPos>>DIV_FPCACHE_BLOCK_SHIFT;
if (blockIndex!=lastWantBlock) {
wantBlock=playPos;
@ -285,22 +298,49 @@ ssize_t DivFilePlayer::getPos() {
return playPos;
}
void DivFilePlayer::getPosSeconds(ssize_t& seconds, unsigned int& micros) {
if (sf==NULL) {
seconds=0;
micros=0;
return;
}
double microsD=playPos%si.samplerate;
seconds=playPos/si.samplerate;
micros=(int)((1000000.0*microsD)/(double)si.samplerate);
}
ssize_t DivFilePlayer::setPos(ssize_t newPos, unsigned int offset) {
playPos=newPos;
rateAccum=0;
wantBlock=playPos;
logD("DivFilePlayer: setPos(%" PRIi64 ")",newPos);
return playPos;
if (offset==UINT_MAX) {
playPos=newPos;
rateAccum=0;
wantBlock=playPos;
logD("DivFilePlayer: setPos(%" PRIi64 ")",newPos);
return playPos;
} else {
pendingPosOffset=offset;
pendingPos=newPos;
wantBlock=playPos;
logD("DivFilePlayer: offset %u setPos(%" PRIi64 ")",offset,newPos);
return newPos;
}
}
ssize_t DivFilePlayer::setPosSeconds(ssize_t seconds, unsigned int micros, unsigned int offset) {
if (sf==NULL) return 0;
double microsD=(double)si.samplerate*((double)micros/1000000.0);
playPos=seconds*si.samplerate+(int)microsD;
rateAccum=0;
wantBlock=playPos;
logD("DivFilePlayer: setPosSeconds(%" PRIi64 ".%06d)",seconds,micros);
return playPos;
if (offset==UINT_MAX) {
playPos=seconds*si.samplerate+(int)microsD;
rateAccum=0;
wantBlock=playPos;
logD("DivFilePlayer: setPosSeconds(%" PRIi64 ".%06d)",seconds,micros);
return playPos;
} else {
pendingPosOffset=offset;
pendingPos=seconds*si.samplerate+(int)microsD;
wantBlock=pendingPos;
logD("DivFilePlayer: offset %u setPosSeconds(%" PRIi64 ".%06d)",offset,seconds,micros);
return pendingPos;
}
}
size_t DivFilePlayer::getMemUsage() {
@ -336,13 +376,23 @@ bool DivFilePlayer::isPlaying() {
}
void DivFilePlayer::play(unsigned int offset) {
logV("DivFilePlayer: playing");
playing=true;
if (offset!=UINT_MAX) {
pendingPlayOffset=offset;
logV("DivFilePlayer: playing (offset: %u)",offset);
} else {
playing=true;
logV("DivFilePlayer: playing");
}
}
void DivFilePlayer::stop(unsigned int offset) {
logV("DivFilePlayer: stopping");
playing=false;
if (offset!=UINT_MAX) {
pendingStopOffset=offset;
logV("DivFilePlayer: stopping (offset: %u)",offset);
} else {
playing=false;
logV("DivFilePlayer: stopping");
}
}
bool DivFilePlayer::closeFile() {
@ -492,6 +542,10 @@ DivFilePlayer::DivFilePlayer():
quitThread(false),
threadHasQuit(false),
isActive(false),
pendingPos(0),
pendingPosOffset(UINT_MAX),
pendingPlayOffset(UINT_MAX),
pendingStopOffset(UINT_MAX),
cacheThread(NULL) {
memset(&si,0,sizeof(SF_INFO));
sincTable=DivFilterTables::getSincTable8();