Add SourceBuffer implementations of Audio/VideoTracks

third_party/WebKit/Source/modules/mediasource/SourceBuffer.h

 /*
  * 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 25 matching lines @@
 #include "modules/EventTargetModules.h"
 #include "modules/mediasource/TrackDefaultList.h"
 #include "platform/AsyncMethodRunner.h"
 #include "platform/weborigin/KURL.h"
 #include "public/platform/WebSourceBufferClient.h"
 #include "wtf/RefCounted.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
+class AudioTrackList;
 class DOMArrayBuffer;
 class DOMArrayBufferView;
 class ExceptionState;
 class FileReaderLoader;
 class GenericEventQueue;
 class MediaSource;
 class Stream;
 class TimeRanges;
 class TrackBase;
+class VideoTrackList;
 class WebSourceBuffer;
 
 class SourceBuffer final
     : public RefCountedGarbageCollectedEventTargetWithInlineData<SourceBuffer>
     , public ActiveDOMObject
     , public FileReaderLoaderClient
     , public WebSourceBufferClient {
     REFCOUNTED_GARBAGE_COLLECTED_EVENT_TARGET(SourceBuffer);
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(SourceBuffer);
     DEFINE_WRAPPERTYPEINFO();
@@ skipping 17 matching lines @@
     void appendStream(Stream*, unsigned long long maxSize, ExceptionState&);
     void abort(ExceptionState&);
     void remove(double start, double end, ExceptionState&);
     double appendWindowStart() const;
     void setAppendWindowStart(double, ExceptionState&);
     double appendWindowEnd() const;
     void setAppendWindowEnd(double, ExceptionState&);
     TrackDefaultList* trackDefaults() const { return m_trackDefaults.get(); }
     void setTrackDefaults(TrackDefaultList*, ExceptionState&);
 
+    AudioTrackList& audioTracks();
+    VideoTrackList& videoTracks();
+
     void abortIfUpdating();
     void removedFromMediaSource();
 
     // ActiveDOMObject interface
     bool hasPendingActivity() const override;
     void suspend() override;
     void resume() override;
     void stop() override;
 
     // EventTarget interface
@@ skipping 39 matching lines @@
     RawPtrWillBeMember<GenericEventQueue> m_asyncEventQueue;
 
     // The |m_pendingTracks| collection holds media track objects returned by
     // createMediaTrack method but not yet reported to the
     // initializationSegmentReceived. This is necessary to prevent media track
     // objects from being GC-collected before the init segment algorithm is run.
     HeapVector<Member<TrackBase>> m_pendingTracks;
 
     HeapVector<WebMediaPlayer::TrackId> m_audioTrackIds;
     HeapVector<WebMediaPlayer::TrackId> m_videoTrackIds;
+    Member<AudioTrackList> m_audioTracks;
+    Member<VideoTrackList> m_videoTracks;
 
     AtomicString m_mode;
     bool m_updating;
     double m_timestampOffset;
     double m_appendWindowStart;
     double m_appendWindowEnd;
     bool m_firstInitializationSegmentReceived;
 
     Vector<unsigned char> m_pendingAppendData;
     size_t m_pendingAppendDataOffset;
     Member<AsyncMethodRunner<SourceBuffer>> m_appendBufferAsyncPartRunner;
 
     double m_pendingRemoveStart;
     double m_pendingRemoveEnd;
     Member<AsyncMethodRunner<SourceBuffer>> m_removeAsyncPartRunner;
 
     bool m_streamMaxSizeValid;
     unsigned long long m_streamMaxSize;
     Member<AsyncMethodRunner<SourceBuffer>> m_appendStreamAsyncPartRunner;
     Member<Stream> m_stream;
     OwnPtr<FileReaderLoader> m_loader;
 };
 
 } // namespace blink
 
 #endif // SourceBuffer_h