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Bug 1270055 - Unaligned buffer used in DynamicsCompressor; r=padenot

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MozReview-Commit-ID: 4xVYjCGblTV

--HG--
extra : rebase_source : 28400783fa926ebc2832529e32688033e3420e3c
This commit is contained in:
Dan Minor 2016-05-04 06:49:07 -04:00
parent d9348654ed
commit 68f5130961
1 changed files with 6 additions and 3 deletions
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9
dom/media/webaudio/blink/DynamicsCompressor.cpp
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@ -27,6 +27,7 @@
*/
#include "DynamicsCompressor.h"
#include "AlignmentUtils.h"
#include "AudioBlock.h"
#include <cmath>
@ -198,7 +199,9 @@ void DynamicsCompressor::process(const AudioBlock* sourceChunk, AudioBlock* dest
setEmphasisParameters(filterStageGain, anchor, filterStageRatio);
}
float sourceWithVolume[WEBAUDIO_BLOCK_SIZE];
float sourceWithVolume[WEBAUDIO_BLOCK_SIZE + 4];
float* alignedSourceWithVolume = ALIGNED16(sourceWithVolume);
ASSERT_ALIGNED16(alignedSourceWithVolume);
// Apply pre-emphasis filter.
// Note that the final three stages are computed in-place in the destination buffer.
@ -210,8 +213,8 @@ void DynamicsCompressor::process(const AudioBlock* sourceChunk, AudioBlock* dest
} else {
AudioBlockCopyChannelWithScale(m_sourceChannels[i],
sourceChunk->mVolume,
sourceWithVolume);
sourceData = sourceWithVolume;
alignedSourceWithVolume);
sourceData = alignedSourceWithVolume;
}
float* destinationData = m_destinationChannels[i];