Add SourceBuffer implementations of Audio/VideoTracks

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

 /*
  * 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 30 matching lines @@
 #include "core/fileapi/FileReaderLoader.h"
 #include "core/html/HTMLMediaElement.h"
 #include "core/html/MediaError.h"
 #include "core/html/TimeRanges.h"
 #include "core/html/track/AudioTrack.h"
 #include "core/html/track/AudioTrackList.h"
 #include "core/html/track/VideoTrack.h"
 #include "core/html/track/VideoTrackList.h"
 #include "core/streams/Stream.h"
 #include "modules/mediasource/MediaSource.h"
+#include "modules/mediasource/SourceBufferTrackBaseSupplement.h"
 #include "platform/Logging.h"
 #include "platform/TraceEvent.h"
 #include "public/platform/WebSourceBuffer.h"
 #include "wtf/MathExtras.h"
 
 #include <limits>
 #include <sstream>
 
 using blink::WebSourceBuffer;
 
@@ skipping 464 matching lines @@
             static WebMediaPlayer::TrackId nextTrackId = 0;
             result.push_back(++nextTrackId);
             continue;
         }
 
         const TrackBase* trackBase = nullptr;
         if (trackType == WebMediaPlayer::AudioTrack) {
             AudioTrack* audioTrack = nullptr;
             if (!m_firstInitializationSegmentReceived) {
                 audioTrack = AudioTrack::create(id, kind, label, language, false);
+                SourceBufferTrackBaseSupplement::from(*audioTrack).setSourceBuffer(this);
                 audioTracks().add(audioTrack);
                 m_source->mediaElement()->audioTracks().add(audioTrack);
             } else {
                 audioTrack = findExistingTrackById(audioTracks(), id);
                 ASSERT(audioTrack);
             }
             trackBase = audioTrack;
             result.push_back(audioTrack->trackId());
         } else if (trackType == WebMediaPlayer::VideoTrack) {
             VideoTrack* videoTrack = nullptr;
             if (!m_firstInitializationSegmentReceived) {
                 videoTrack = VideoTrack::create(id, kind, label, language, false);
+                SourceBufferTrackBaseSupplement::from(*videoTrack).setSourceBuffer(this);
                 videoTracks().add(videoTrack);
                 m_source->mediaElement()->videoTracks().add(videoTrack);
             } else {
                 videoTrack = findExistingTrackById(videoTracks(), id);
                 ASSERT(videoTrack);
             }
             trackBase = videoTrack;
             result.push_back(videoTrack->trackId());
         } else {
             NOTREACHED();
@@ skipping 398 matching lines @@
     visitor->trace(m_removeAsyncPartRunner);
     visitor->trace(m_appendStreamAsyncPartRunner);
     visitor->trace(m_stream);
     visitor->trace(m_audioTracks);
     visitor->trace(m_videoTracks);
     RefCountedGarbageCollectedEventTargetWithInlineData<SourceBuffer>::trace(visitor);
     ActiveDOMObject::trace(visitor);
 }
 
 } // namespace blink