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Bug 890023 - Set the output channel count for ConvolverNode to 2 unconditionally; r=roc

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This commit is contained in:
Ehsan Akhgari 2013-07-04 09:22:22 -04:00
parent 75ac2d35d5
commit 3e21182565
1 changed files with 2 additions and 5 deletions
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7
content/media/webaudio/ConvolverNode.cpp
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@ -116,24 +116,21 @@ public:
}
mSeenInput = true;
uint32_t numChannels = 2;
AudioChunk input = aInput;
if (aInput.IsNull()) {
AllocateAudioBlock(1, &input);
WriteZeroesToAudioBlock(&input, 0, WEBAUDIO_BLOCK_SIZE);
} else if (aInput.mVolume != 1.0f) {
// Pre-multiply the input's volume
numChannels = aInput.mChannelData.Length();
uint32_t numChannels = aInput.mChannelData.Length();
AllocateAudioBlock(numChannels, &input);
for (uint32_t i = 0; i < numChannels; ++i) {
const float* src = static_cast<const float*>(aInput.mChannelData[i]);
float* dest = static_cast<float*>(const_cast<void*>(input.mChannelData[i]));
AudioBlockAddChannelWithScale(src, aInput.mVolume, dest);
}
} else {
numChannels = aInput.mChannelData.Length();
}
AllocateAudioBlock(numChannels, aOutput);
AllocateAudioBlock(2, aOutput);
mReverb->process(&input, aOutput, WEBAUDIO_BLOCK_SIZE);
}