| /* |
| * 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 MediaStreamDescriptor_h |
| #define MediaStreamDescriptor_h |
| |
| #include "platform/mediastream/MediaStreamComponent.h" |
| #include "platform/mediastream/MediaStreamSource.h" |
| #include "wtf/Allocator.h" |
| #include "wtf/Forward.h" |
| #include "wtf/Vector.h" |
| #include <memory> |
| |
| namespace blink { |
| |
| class PLATFORM_EXPORT MediaStreamDescriptorClient |
| : public GarbageCollectedMixin { |
| public: |
| virtual ~MediaStreamDescriptorClient() {} |
| |
| virtual void streamEnded() = 0; |
| virtual void addRemoteTrack(MediaStreamComponent*) = 0; |
| virtual void removeRemoteTrack(MediaStreamComponent*) = 0; |
| DEFINE_INLINE_VIRTUAL_TRACE() {} |
| }; |
| |
| class PLATFORM_EXPORT MediaStreamDescriptor final |
| : public GarbageCollectedFinalized<MediaStreamDescriptor> { |
| public: |
| class ExtraData { |
| USING_FAST_MALLOC(ExtraData); |
| |
| public: |
| virtual ~ExtraData() {} |
| }; |
| |
| // Only used for AudioDestinationNode. |
| static MediaStreamDescriptor* create( |
| const MediaStreamSourceVector& audioSources, |
| const MediaStreamSourceVector& videoSources); |
| |
| static MediaStreamDescriptor* create( |
| const MediaStreamComponentVector& audioComponents, |
| const MediaStreamComponentVector& videoComponents); |
| |
| static MediaStreamDescriptor* create( |
| const String& id, |
| const MediaStreamComponentVector& audioComponents, |
| const MediaStreamComponentVector& videoComponents); |
| |
| MediaStreamDescriptorClient* client() const { return m_client; } |
| void setClient(MediaStreamDescriptorClient* client) { m_client = client; } |
| |
| String id() const { return m_id; } |
| |
| unsigned numberOfAudioComponents() const { return m_audioComponents.size(); } |
| MediaStreamComponent* audioComponent(unsigned index) const { |
| return m_audioComponents[index].get(); |
| } |
| |
| unsigned numberOfVideoComponents() const { return m_videoComponents.size(); } |
| MediaStreamComponent* videoComponent(unsigned index) const { |
| return m_videoComponents[index].get(); |
| } |
| |
| void addComponent(MediaStreamComponent*); |
| void removeComponent(MediaStreamComponent*); |
| |
| void addRemoteTrack(MediaStreamComponent*); |
| void removeRemoteTrack(MediaStreamComponent*); |
| |
| bool active() const { return m_active; } |
| void setActive(bool active) { m_active = active; } |
| |
| ExtraData* getExtraData() const { return m_extraData.get(); } |
| void setExtraData(std::unique_ptr<ExtraData> extraData) { |
| m_extraData = std::move(extraData); |
| } |
| |
| // |m_extraData| may hold pointers to GC objects, and it may touch them in |
| // destruction. So this class is eagerly finalized to finalize |m_extraData| |
| // promptly. |
| EAGERLY_FINALIZE(); |
| DECLARE_TRACE(); |
| |
| private: |
| MediaStreamDescriptor(const String& id, |
| const MediaStreamSourceVector& audioSources, |
| const MediaStreamSourceVector& videoSources); |
| MediaStreamDescriptor(const String& id, |
| const MediaStreamComponentVector& audioComponents, |
| const MediaStreamComponentVector& videoComponents); |
| |
| Member<MediaStreamDescriptorClient> m_client; |
| String m_id; |
| HeapVector<Member<MediaStreamComponent>> m_audioComponents; |
| HeapVector<Member<MediaStreamComponent>> m_videoComponents; |
| bool m_active; |
| |
| std::unique_ptr<ExtraData> m_extraData; |
| }; |
| |
| typedef HeapVector<Member<MediaStreamDescriptor>> MediaStreamDescriptorVector; |
| |
| } // namespace blink |
| |
| #endif // MediaStreamDescriptor_h |