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25 #ifndef OfflineAudioDestinationNode_h
26 #define OfflineAudioDestinationNode_h
28 #include "modules/webaudio/AudioBuffer.h"
29 #include "modules/webaudio/AudioDestinationNode.h"
30 #include "public/platform/WebThread.h"
31 #include "wtf/PassRefPtr.h"
32 #include "wtf/RefPtr.h"
39 class OfflineAudioDestinationNode FINAL : public AudioDestinationNode {
41 static PassRefPtrWillBeRawPtr<OfflineAudioDestinationNode> create(AudioContext* context, AudioBuffer* renderTarget)
43 return adoptRefWillBeNoop(new OfflineAudioDestinationNode(context, renderTarget));
46 virtual ~OfflineAudioDestinationNode();
49 virtual void initialize() OVERRIDE;
50 virtual void uninitialize() OVERRIDE;
52 // AudioDestinationNode
53 virtual void startRendering() OVERRIDE;
55 virtual float sampleRate() const OVERRIDE { return m_renderTarget->sampleRate(); }
57 virtual void trace(Visitor*) OVERRIDE;
60 class OfflineRenderingTask;
61 friend class OfflineRenderingTask;
63 OfflineAudioDestinationNode(AudioContext*, AudioBuffer* renderTarget);
65 // This AudioNode renders into this AudioBuffer.
66 RefPtrWillBeMember<AudioBuffer> m_renderTarget;
68 // Temporary AudioBus for each render quantum.
69 RefPtr<AudioBus> m_renderBus;
72 OwnPtr<blink::WebThread> m_renderThread;
73 bool m_startedRendering;
76 // For completion callback on main thread.
77 static void notifyCompleteDispatch(void* userData);
78 void notifyComplete();
81 } // namespace WebCore
83 #endif // OfflineAudioDestinationNode_h