| /* |
| * Copyright (C) 2011 Ericsson AB. All rights reserved. |
| * Copyright (C) 2012 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 MediaStreamSource_h |
| #define MediaStreamSource_h |
| |
| #include "platform/audio/AudioDestinationConsumer.h" |
| #include "core/platform/mediastream/MediaConstraints.h" |
| #include "wtf/OwnPtr.h" |
| #include "wtf/PassOwnPtr.h" |
| #include "wtf/RefCounted.h" |
| #include "wtf/ThreadingPrimitives.h" |
| #include "wtf/Vector.h" |
| #include "wtf/text/WTFString.h" |
| |
| namespace WebCore { |
| |
| class MediaStreamSource : public RefCounted<MediaStreamSource> { |
| public: |
| class Observer { |
| public: |
| virtual ~Observer() { } |
| virtual void sourceChangedState() = 0; |
| }; |
| |
| class ExtraData { |
| public: |
| virtual ~ExtraData() { } |
| }; |
| |
| enum Type { |
| TypeAudio, |
| TypeVideo |
| }; |
| |
| enum ReadyState { |
| ReadyStateLive = 0, |
| ReadyStateMuted = 1, |
| ReadyStateEnded = 2 |
| }; |
| |
| static PassRefPtr<MediaStreamSource> create(const String& id, Type, const String& name, ReadyState = ReadyStateLive, bool requiresConsumer = false); |
| |
| const String& id() const { return m_id; } |
| Type type() const { return m_type; } |
| const String& name() const { return m_name; } |
| |
| void setReadyState(ReadyState); |
| ReadyState readyState() const { return m_readyState; } |
| |
| void addObserver(Observer*); |
| void removeObserver(Observer*); |
| |
| ExtraData* extraData() const { return m_extraData.get(); } |
| void setExtraData(ExtraData* extraData) { m_extraData = adoptPtr(extraData); } |
| |
| void setConstraints(PassRefPtr<MediaConstraints> constraints) { m_constraints = constraints; } |
| MediaConstraints* constraints() { return m_constraints.get(); } |
| |
| const String& deviceId() { return m_deviceId; } |
| void setDeviceId(const String& deviceId) { m_deviceId = deviceId; } |
| |
| void setAudioFormat(size_t numberOfChannels, float sampleRate); |
| void consumeAudio(AudioBus*, size_t numberOfFrames); |
| |
| bool requiresAudioConsumer() const { return m_requiresConsumer; } |
| void addAudioConsumer(PassRefPtr<AudioDestinationConsumer>); |
| bool removeAudioConsumer(AudioDestinationConsumer*); |
| const Vector<RefPtr<AudioDestinationConsumer> >& audioConsumers() { return m_audioConsumers; } |
| |
| private: |
| MediaStreamSource(const String& id, Type, const String& name, ReadyState, bool requiresConsumer); |
| |
| String m_id; |
| Type m_type; |
| String m_name; |
| ReadyState m_readyState; |
| String m_deviceId; |
| bool m_requiresConsumer; |
| Vector<Observer*> m_observers; |
| Mutex m_audioConsumersLock; |
| Vector<RefPtr<AudioDestinationConsumer> > m_audioConsumers; |
| OwnPtr<ExtraData> m_extraData; |
| RefPtr<MediaConstraints> m_constraints; |
| }; |
| |
| typedef Vector<RefPtr<MediaStreamSource> > MediaStreamSourceVector; |
| |
| } // namespace WebCore |
| |
| #endif // MediaStreamSource_h |