Index: Source/modules/webaudio/OfflineAudioDestinationNode.cpp |
diff --git a/Source/modules/webaudio/OfflineAudioDestinationNode.cpp b/Source/modules/webaudio/OfflineAudioDestinationNode.cpp |
index 4cc77ffed90b6107229f11a81e7f675b1fc1eaec..f5b574596fc6cbce78180a3f7090c7eb4a694e20 100644 |
--- a/Source/modules/webaudio/OfflineAudioDestinationNode.cpp |
+++ b/Source/modules/webaudio/OfflineAudioDestinationNode.cpp |
@@ -35,10 +35,10 @@ |
#include "wtf/MainThread.h" |
using namespace std; |
- |
+ |
namespace WebCore { |
- |
-const size_t renderQuantumSize = 128; |
+ |
+const size_t renderQuantumSize = 128; |
OfflineAudioDestinationNode::OfflineAudioDestinationNode(AudioContext* context, AudioBuffer* renderTarget) |
: AudioDestinationNode(context, renderTarget->sampleRate()) |
@@ -81,7 +81,7 @@ void OfflineAudioDestinationNode::startRendering() |
ASSERT(m_renderTarget.get()); |
if (!m_renderTarget.get()) |
return; |
- |
+ |
if (!m_startedRendering) { |
m_startedRendering = true; |
ref(); // See corresponding deref() call in notifyCompleteDispatch(). |
@@ -103,26 +103,26 @@ void OfflineAudioDestinationNode::offlineRender() |
ASSERT(m_renderBus.get()); |
if (!m_renderBus.get()) |
return; |
- |
+ |
bool channelsMatch = m_renderBus->numberOfChannels() == m_renderTarget->numberOfChannels(); |
ASSERT(channelsMatch); |
if (!channelsMatch) |
return; |
- |
+ |
bool isRenderBusAllocated = m_renderBus->length() >= renderQuantumSize; |
ASSERT(isRenderBusAllocated); |
if (!isRenderBusAllocated) |
return; |
- |
+ |
// Synchronize with HRTFDatabaseLoader. |
// The database must be loaded before we can proceed. |
HRTFDatabaseLoader* loader = context()->hrtfDatabaseLoader(); |
ASSERT(loader); |
if (!loader) |
return; |
- |
+ |
loader->waitForLoaderThreadCompletion(); |
- |
+ |
// Break up the render target into smaller "render quantize" sized pieces. |
// Render until we're finished. |
size_t framesToProcess = m_renderTarget->length(); |
@@ -132,19 +132,19 @@ void OfflineAudioDestinationNode::offlineRender() |
while (framesToProcess > 0) { |
// Render one render quantum. |
render(0, m_renderBus.get(), renderQuantumSize); |
- |
+ |
size_t framesAvailableToCopy = min(framesToProcess, renderQuantumSize); |
- |
+ |
for (unsigned channelIndex = 0; channelIndex < numberOfChannels; ++channelIndex) { |
const float* source = m_renderBus->channel(channelIndex)->data(); |
float* destination = m_renderTarget->getChannelData(channelIndex)->data(); |
memcpy(destination + n, source, sizeof(float) * framesAvailableToCopy); |
} |
- |
+ |
n += framesAvailableToCopy; |
framesToProcess -= framesAvailableToCopy; |
} |
- |
+ |
// Our work is done. Let the AudioContext know. |
callOnMainThread(notifyCompleteDispatch, this); |
} |