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Work around rounding error with resampler flush

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Resampler flush may indefinitely produce 1 sample if there is a rounding
error with the buffering calculations. Work around this.

Signed-off-by: Christopher Snowhill <kode54@gmail.com>
This commit is contained in:
Christopher Snowhill 2023-07-14 05:16:12 -07:00
parent a6ecd7eed9
commit 3d00e8dd2d
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1 changed files with 3 additions and 3 deletions
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6
Audio/Output/OutputAVFoundation.m
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@ -169,7 +169,7 @@ static OSStatus eqRenderCallback(void *inRefCon, AudioUnitRenderActionFlags *ioA
[currentPtsLock lock]; [currentPtsLock lock];
samplesFlushed = (int)rsstate_flush(rsvis, &visTemp[0], 8192); samplesFlushed = (int)rsstate_flush(rsvis, &visTemp[0], 8192);
[currentPtsLock unlock]; [currentPtsLock unlock];
if(samplesFlushed) { if(samplesFlushed > 1) {
[visController postVisPCM:visTemp amount:samplesFlushed]; [visController postVisPCM:visTemp amount:samplesFlushed];
} else { } else {
break; break;
@ -207,7 +207,7 @@ static OSStatus eqRenderCallback(void *inRefCon, AudioUnitRenderActionFlags *ioA
[currentPtsLock lock]; [currentPtsLock lock];
samplesFlushed = (int)rsstate_flush(rsvis, &visTemp[0], 8192); samplesFlushed = (int)rsstate_flush(rsvis, &visTemp[0], 8192);
[currentPtsLock unlock]; [currentPtsLock unlock];
if(samplesFlushed) { if(samplesFlushed > 1) {
[visController postVisPCM:visTemp amount:samplesFlushed]; [visController postVisPCM:visTemp amount:samplesFlushed];
} else { } else {
break; break;
@ -806,7 +806,7 @@ current_device_listener(AudioObjectID inObjectID, UInt32 inNumberAddresses, cons
[currentPtsLock lock]; [currentPtsLock lock];
samplesRendered = rsstate_flush(rsold, &rsTempBuffer[0], 4096); samplesRendered = rsstate_flush(rsold, &rsTempBuffer[0], 4096);
[currentPtsLock unlock]; [currentPtsLock unlock];
if(!samplesRendered) { if(samplesRendered < 4096) {
rsstate_delete(rsold); rsstate_delete(rsold);
rsold = NULL; rsold = NULL;
rsDone = YES; rsDone = YES;