| /* |
| * Copyright (C) 2011 Ericsson AB. All rights reserved. |
| * Copyright (C) 2013 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * 3. Neither the name of Ericsson nor the names of its contributors |
| * may be used to endorse or promote products derived from this |
| * software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef MediaStreamComponent_h |
| #define MediaStreamComponent_h |
| |
| #include "platform/audio/AudioSourceProvider.h" |
| #include "wtf/PassRefPtr.h" |
| #include "wtf/RefCounted.h" |
| #include "wtf/ThreadingPrimitives.h" |
| #include "wtf/text/WTFString.h" |
| |
| namespace WebKit { |
| class WebAudioSourceProvider; |
| } |
| |
| namespace WebCore { |
| |
| class MediaStreamDescriptor; |
| class MediaStreamSource; |
| |
| class MediaStreamComponent : public RefCounted<MediaStreamComponent> { |
| public: |
| class ExtraData : public RefCounted<ExtraData> { |
| public: |
| virtual ~ExtraData() { } |
| }; |
| |
| static PassRefPtr<MediaStreamComponent> create(PassRefPtr<MediaStreamSource>); |
| static PassRefPtr<MediaStreamComponent> create(const String& id, PassRefPtr<MediaStreamSource>); |
| static PassRefPtr<MediaStreamComponent> create(MediaStreamDescriptor*, PassRefPtr<MediaStreamSource>); |
| |
| MediaStreamDescriptor* stream() const { return m_stream; } |
| void setStream(MediaStreamDescriptor* stream) { m_stream = stream; } |
| |
| MediaStreamSource* source() const { return m_source.get(); } |
| |
| String id() const { return m_id; } |
| bool enabled() const { return m_enabled; } |
| void setEnabled(bool enabled) { m_enabled = enabled; } |
| |
| #if ENABLE(WEB_AUDIO) |
| AudioSourceProvider* audioSourceProvider() { return &m_sourceProvider; } |
| void setSourceProvider(WebKit::WebAudioSourceProvider* provider) { m_sourceProvider.wrap(provider); } |
| #endif // ENABLE(WEB_AUDIO) |
| |
| ExtraData* extraData() const { return m_extraData.get(); } |
| void setExtraData(PassRefPtr<ExtraData> extraData) { m_extraData = extraData; } |
| |
| private: |
| MediaStreamComponent(const String& id, MediaStreamDescriptor*, PassRefPtr<MediaStreamSource>); |
| |
| #if ENABLE(WEB_AUDIO) |
| // AudioSourceProviderImpl wraps a WebAudioSourceProvider::provideInput() |
| // calls into chromium to get a rendered audio stream. |
| |
| class AudioSourceProviderImpl : public AudioSourceProvider { |
| public: |
| AudioSourceProviderImpl() |
| : m_webAudioSourceProvider(0) |
| { |
| } |
| |
| virtual ~AudioSourceProviderImpl() { } |
| |
| // Wraps the given WebKit::WebAudioSourceProvider to WebCore::AudioSourceProvider. |
| void wrap(WebKit::WebAudioSourceProvider*); |
| |
| // WebCore::AudioSourceProvider |
| virtual void provideInput(WebCore::AudioBus*, size_t framesToProcess); |
| |
| private: |
| WebKit::WebAudioSourceProvider* m_webAudioSourceProvider; |
| Mutex m_provideInputLock; |
| }; |
| |
| AudioSourceProviderImpl m_sourceProvider; |
| #endif // ENABLE(WEB_AUDIO) |
| |
| MediaStreamDescriptor* m_stream; |
| RefPtr<MediaStreamSource> m_source; |
| String m_id; |
| bool m_enabled; |
| RefPtr<ExtraData> m_extraData; |
| }; |
| |
| typedef Vector<RefPtr<MediaStreamComponent> > MediaStreamComponentVector; |
| |
| } // namespace WebCore |
| |
| #endif // MediaStreamComponent_h |