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25 #ifndef OfflineAudioDestinationNode_h
26 #define OfflineAudioDestinationNode_h
28 #include "AudioBuffer.h"
29 #include "AudioDestinationNode.h"
30 #include <wtf/PassRefPtr.h>
31 #include <wtf/RefPtr.h>
32 #include <wtf/Threading.h>
39 class OfflineAudioDestinationNode : public AudioDestinationNode {
41 static PassRefPtr<OfflineAudioDestinationNode> create(AudioContext* context, AudioBuffer* renderTarget)
43 return adoptRef(new OfflineAudioDestinationNode(context, renderTarget));
46 virtual ~OfflineAudioDestinationNode();
49 virtual void initialize();
50 virtual void uninitialize();
52 double sampleRate() const { return m_renderTarget->sampleRate(); }
54 void startRendering();
57 OfflineAudioDestinationNode(AudioContext*, AudioBuffer* renderTarget);
59 // This AudioNode renders into this AudioBuffer.
60 RefPtr<AudioBuffer> m_renderTarget;
62 // Temporary AudioBus for each render quantum.
63 OwnPtr<AudioBus> m_renderBus;
66 volatile ThreadIdentifier m_renderThread;
67 bool m_startedRendering;
68 static void* renderEntry(void* threadData);
71 // For completion callback on main thread.
72 static void notifyCompleteDispatch(void* userData);
73 void notifyComplete();
76 } // namespace WebCore
78 #endif // OfflineAudioDestinationNode_h