Index: third_party/WebKit/Source/platform/audio/ReverbConvolverStage.cpp |
diff --git a/third_party/WebKit/Source/platform/audio/ReverbConvolverStage.cpp b/third_party/WebKit/Source/platform/audio/ReverbConvolverStage.cpp |
index a7e56cca2f453a8d9f8e412b1e93c08d3bc04157..16914b80ac0f2c2790daf78e0d4ec7dfa19097c2 100644 |
--- a/third_party/WebKit/Source/platform/audio/ReverbConvolverStage.cpp |
+++ b/third_party/WebKit/Source/platform/audio/ReverbConvolverStage.cpp |
@@ -69,10 +69,12 @@ ReverbConvolverStage::ReverbConvolverStage( |
} |
m_temporaryBuffer.allocate(renderSliceSize); |
- // The convolution stage at offset stageOffset needs to have a corresponding delay to cancel out the offset. |
+ // The convolution stage at offset stageOffset needs to have a corresponding |
+ // delay to cancel out the offset. |
size_t totalDelay = stageOffset + reverbTotalLatency; |
- // But, the FFT convolution itself incurs fftSize / 2 latency, so subtract this out... |
+ // But, the FFT convolution itself incurs fftSize / 2 latency, so subtract |
+ // this out... |
size_t halfSize = fftSize / 2; |
if (!m_directMode) { |
ASSERT(totalDelay >= halfSize); |
@@ -80,8 +82,10 @@ ReverbConvolverStage::ReverbConvolverStage( |
totalDelay -= halfSize; |
} |
- // We divide up the total delay, into pre and post delay sections so that we can schedule at exactly the moment when the FFT will happen. |
- // This is coordinated with the other stages, so they don't all do their FFTs at the same time... |
+ // We divide up the total delay, into pre and post delay sections so that we |
+ // can schedule at exactly the moment when the FFT will happen. This is |
+ // coordinated with the other stages, so they don't all do their FFTs at the |
+ // same time... |
int maxPreDelayLength = std::min(halfSize, totalDelay); |
m_preDelayLength = totalDelay > 0 ? renderPhase % maxPreDelayLength : 0; |
if (m_preDelayLength > totalDelay) |
@@ -119,7 +123,8 @@ void ReverbConvolverStage::process(const float* source, |
float* temporaryBuffer; |
bool isTemporaryBufferSafe = false; |
if (m_preDelayLength > 0) { |
- // Handles both the read case (call to process() ) and the write case (memcpy() ) |
+ // Handles both the read case (call to process() ) and the write case |
+ // (memcpy() ) |
bool isPreDelaySafe = |
m_preReadWriteIndex + framesToProcess <= m_preDelayBuffer.size(); |
ASSERT(isPreDelaySafe); |
@@ -145,8 +150,9 @@ void ReverbConvolverStage::process(const float* source, |
return; |
if (m_framesProcessed < m_preDelayLength) { |
- // For the first m_preDelayLength frames don't process the convolver, instead simply buffer in the pre-delay. |
- // But while buffering the pre-delay, we still need to update our index. |
+ // For the first m_preDelayLength frames don't process the convolver, |
+ // instead simply buffer in the pre-delay. But while buffering the |
+ // pre-delay, we still need to update our index. |
m_accumulationBuffer->updateReadIndex(&m_accumulationReadIndex, |
framesToProcess); |
} else { |