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Guarantee cleanup of partial allocation on all error return paths...

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... such as when allocating for capture channels fails after that for
playback succeeds
This commit is contained in:
Paul Licameli 2018-08-20 10:32:39 -04:00
parent 3a94acd631
commit 8a6351d9cd
1 changed files with 6 additions and 2 deletions
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8
src/AudioIO.cpp
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@ -2227,6 +2227,11 @@ bool AudioIO::AllocateBuffers(
const TransportTracks &tracks, double t0, double t1, double sampleRate,
bool scrubbing )
{
bool success = false;
auto cleanup = finally([&]{
if (!success) StartStreamCleanup( false );
});
//
// The (audio) stream has been opened successfully (assuming we tried
// to open it). We now proceed to
@ -2337,7 +2342,6 @@ bool AudioIO::AllocateBuffers(
// 100 samples, just give up.
if(captureBufferSize < 100)
{
StartStreamCleanup();
AudacityMessageBox(_("Out of memory!"));
return false;
}
@ -2373,13 +2377,13 @@ bool AudioIO::AllocateBuffers(
(size_t)lrint(mRate * mPlaybackRingBufferSecs);
if(playbackBufferSize < 100 || mPlaybackSamplesToCopy < 100)
{
StartStreamCleanup();
AudacityMessageBox(_("Out of memory!"));
return false;
}
}
} while(!bDone);
success = true;
return true;
}