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29 #include "modules/webaudio/MediaStreamAudioDestinationNode.h"
31 #include "modules/webaudio/AudioContext.h"
32 #include "modules/webaudio/AudioNodeInput.h"
33 #include "platform/UUID.h"
34 #include "platform/mediastream/MediaStreamCenter.h"
35 #include "public/platform/WebRTCPeerConnectionHandler.h"
36 #include "wtf/Locker.h"
40 PassRefPtr<MediaStreamAudioDestinationNode> MediaStreamAudioDestinationNode::create(AudioContext* context, size_t numberOfChannels)
42 return adoptRef(new MediaStreamAudioDestinationNode(context, numberOfChannels));
45 MediaStreamAudioDestinationNode::MediaStreamAudioDestinationNode(AudioContext* context, size_t numberOfChannels)
46 : AudioBasicInspectorNode(context, context->sampleRate(), numberOfChannels)
47 , m_mixBus(AudioBus::create(numberOfChannels, ProcessingSizeInFrames))
49 ScriptWrappable::init(this);
50 setNodeType(NodeTypeMediaStreamAudioDestination);
52 m_source = MediaStreamSource::create("WebAudio-" + createCanonicalUUIDString(), MediaStreamSource::TypeAudio, "MediaStreamAudioDestinationNode", MediaStreamSource::ReadyStateLive, true);
53 MediaStreamSourceVector audioSources;
54 audioSources.append(m_source);
55 MediaStreamSourceVector videoSources;
56 m_stream = MediaStream::create(context->executionContext(), MediaStreamDescriptor::create(audioSources, videoSources));
57 MediaStreamCenter::instance().didCreateMediaStream(m_stream->descriptor());
59 m_source->setAudioFormat(numberOfChannels, context->sampleRate());
64 MediaStreamAudioDestinationNode::~MediaStreamAudioDestinationNode()
69 void MediaStreamAudioDestinationNode::process(size_t numberOfFrames)
71 m_mixBus->copyFrom(*input(0)->bus());
72 m_source->consumeAudio(m_mixBus.get(), numberOfFrames);
75 } // namespace WebCore
77 #endif // ENABLE(WEB_AUDIO)