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Commit fix for crash during full-duplex operation with PulseAudio. Reported by Al Dimond, fix proposed by Ross Bencina, acked by Dmitry Kostjuchenko. This fixes a bug with Dmitry's zero-copy optimisations. Fix works in Audacity (where the bug was found), so comitting upstream.

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This commit is contained in:
richard_ash 2010-11-12 17:16:21 +00:00
commit 148784f3c7
1 changed files with 2 additions and 2 deletions
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4
src/common/pa_process.c
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@ -764,7 +764,7 @@ static unsigned long NonAdaptingProcess( PaUtilBufferProcessor *bp,
destChannelStrideBytes = bp->bytesPerUserInputSample;
/* process host buffer directly, or use temp buffer if formats differ or host buffer non-interleaved */
if( bp->userInputSampleFormatIsEqualToHost && bp->hostInputIsInterleaved )
if( bp->userInputSampleFormatIsEqualToHost && bp->hostInputIsInterleaved && bp->hostInputChannels[0][0].data)
{
userInput = hostInputChannels[0].data;
destBytePtr = (unsigned char *)hostInputChannels[0].data;
@ -781,7 +781,7 @@ static unsigned long NonAdaptingProcess( PaUtilBufferProcessor *bp,
destChannelStrideBytes = frameCount * bp->bytesPerUserInputSample;
/* setup non-interleaved ptrs */
if( bp->userInputSampleFormatIsEqualToHost && !bp->hostInputIsInterleaved )
if( bp->userInputSampleFormatIsEqualToHost && !bp->hostInputIsInterleaved && bp->hostInputChannels[0][0].data )
{
for( i=0; i<bp->inputChannelCount; ++i )
{