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Prevent submitting more XAudio2 buffers than XAUDIO2_MAX_QUEUED_BUFFERS (64) 

Resolves #4116
This commit is contained in:
CasualPokePlayer 2025-03-28 16:21:15 -07:00
parent 76cf9127d4
commit 60d7ddbffc
1 changed files with 11 additions and 1 deletions
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12
src/BizHawk.Bizware.Audio/XAudio2SoundOutput.cs
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@ -149,7 +149,16 @@ namespace BizHawk.Bizware.Audio
public void WriteSamples(short[] samples, int sampleOffset, int sampleCount)
{
if (sampleCount == 0) return;
_bufferPool.Release(_sourceVoice.State.BuffersQueued);
var buffersQueued = _sourceVoice.State.BuffersQueued;
if (buffersQueued == XAudio2.MaximumQueuedBuffers)
{
// don't write any more samples if we've queued up the maximum amount of buffers possible
// in practice, this doesn't happen ever except for subframe cores spamming tiny sample counts
return;
}
_bufferPool.Release(buffersQueued);
var byteCount = sampleCount * _sound.BlockAlign;
var item = _bufferPool.Obtain(byteCount);
samples.AsSpan(sampleOffset * _sound.BlockAlign / 2, byteCount / 2)
@ -203,6 +212,7 @@ namespace BizHawk.Bizware.Audio
{
item.AudioBuffer.Dispose();
}
_availableItems.Clear();
_obtainedItems.Clear();
}