Mojify demuxers and allow running {Chunk/FFmpeg}Demuxer in a Utility Process

media/blink/webmediaplayer_impl.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef MEDIA_BLINK_WEBMEDIAPLAYER_IMPL_H_
 #define MEDIA_BLINK_WEBMEDIAPLAYER_IMPL_H_
 
 #include <stdint.h>
 
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "base/cancelable_callback.h"
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/linked_ptr.h"
 #include "base/memory/memory_pressure_listener.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/optional.h"
 #include "base/threading/thread.h"
 #include "base/time/default_tick_clock.h"
 #include "base/time/time.h"
 #include "base/timer/elapsed_timer.h"
 #include "base/timer/timer.h"
 #include "build/build_config.h"
+#include "media/base/demuxer_factory.h"
 #include "media/base/media_observer.h"
 #include "media/base/media_tracks.h"
 #include "media/base/pipeline_impl.h"
 #include "media/base/renderer_factory.h"
 #include "media/base/surface_manager.h"
 #include "media/base/text_track.h"
 #include "media/blink/buffered_data_source_host_impl.h"
 #include "media/blink/media_blink_export.h"
 #include "media/blink/multibuffer_data_source.h"
 #include "media/blink/video_frame_compositor.h"
@@ skipping 27 matching lines @@
 class WebLayerImpl;
 }
 
 namespace gpu {
 namespace gles2 {
 class GLES2Interface;
 }
 }
 
 namespace media {
-class ChunkDemuxer;
+class SourceBuffer;
 class ContentDecryptionModule;
 class MediaLog;
 class UrlIndex;
 class VideoFrameCompositor;
 class WatchTimeReporter;
 class WebAudioSourceProviderImpl;
 class WebMediaPlayerDelegate;
 
 // The canonical implementation of blink::WebMediaPlayer that's backed by
 // Pipeline. Handles normal resource loading, Media Source, and
 // Encrypted Media.
 class MEDIA_BLINK_EXPORT WebMediaPlayerImpl
     : public NON_EXPORTED_BASE(blink::WebMediaPlayer),
       public NON_EXPORTED_BASE(WebMediaPlayerDelegate::Observer),
       public NON_EXPORTED_BASE(Pipeline::Client),
       public base::SupportsWeakPtr<WebMediaPlayerImpl> {
  public:
   // Constructs a WebMediaPlayer implementation using Chromium's media stack.
   // |delegate| and |renderer_factory| must not be null.
   WebMediaPlayerImpl(
       blink::WebLocalFrame* frame,
       blink::WebMediaPlayerClient* client,
       blink::WebMediaPlayerEncryptedMediaClient* encrypted_client,
       WebMediaPlayerDelegate* delegate,
+      std::unique_ptr<DemuxerFactory> demuxer_factory,
       std::unique_ptr<RendererFactory> renderer_factory,
       linked_ptr<UrlIndex> url_index,
       const WebMediaPlayerParams& params);
   ~WebMediaPlayerImpl() override;
 
   void load(LoadType load_type,
             const blink::WebMediaPlayerSource& source,
             CORSMode cors_mode) override;
 
   // Playback controls.
@@ skipping 173 matching lines @@
   void NotifyDownloading(bool is_downloading);
 
   // Called by SurfaceManager when a surface is created.
   void OnSurfaceCreated(int surface_id);
 
   // Called by GpuVideoDecoder on Android to request a surface to render to (if
   // necessary).
   void OnSurfaceRequested(bool decoder_requires_restart_for_overlay,
                           const SurfaceCreatedCB& surface_created_cb);
 
+  std::unique_ptr<Demuxer> CreateDemuxer();
+
   // Creates a Renderer via the |renderer_factory_|.
   std::unique_ptr<Renderer> CreateRenderer();
 
   // Finishes starting the pipeline due to a call to load().
   void StartPipeline();
 
   // Helpers that set the network/ready state and notifies the client if
   // they've changed.
   void SetNetworkState(blink::WebMediaPlayer::NetworkState state);
   void SetReadyState(blink::WebMediaPlayer::ReadyState state);
@@ skipping 260 matching lines @@
   bool supports_save_;
 
   // These two are mutually exclusive:
   //   |data_source_| is used for regular resource loads.
   //   |chunk_demuxer_| is used for Media Source resource loads.
   //
   // |demuxer_| will contain the appropriate demuxer based on which resource
   // load strategy we're using.
   std::unique_ptr<MultibufferDataSource> data_source_;
   std::unique_ptr<Demuxer> demuxer_;
-  ChunkDemuxer* chunk_demuxer_;
+  media::SourceBuffer* source_buffer_;
 
   std::unique_ptr<base::MemoryPressureListener> memory_pressure_listener_;
 
   BufferedDataSourceHostImpl buffered_data_source_host_;
   linked_ptr<UrlIndex> url_index_;
 
   // Video rendering members.
   scoped_refptr<base::SingleThreadTaskRunner> compositor_task_runner_;
   VideoFrameCompositor* compositor_;  // Deleted on |compositor_task_runner_|.
   SkCanvasVideoRenderer skcanvas_video_renderer_;
@@ skipping 16 matching lines @@
   WebMediaPlayerCast cast_impl_;
 #endif
 
   // The last volume received by setVolume() and the last volume multiplier from
   // OnVolumeMultiplierUpdate().  The multiplier is typical 1.0, but may be less
   // if the WebMediaPlayerDelegate has requested a volume reduction (ducking)
   // for a transient sound.  Playout volume is derived by volume * multiplier.
   double volume_;
   double volume_multiplier_;
 
+  std::unique_ptr<DemuxerFactory> demuxer_factory_;
   std::unique_ptr<RendererFactory> renderer_factory_;
 
   // For requesting surfaces on behalf of the Android H/W decoder in fullscreen.
   // This will be null everywhere but Android.
   SurfaceManager* surface_manager_;
 
   // For canceling ongoing surface creation requests when exiting fullscreen.
   base::CancelableCallback<void(int)> surface_created_cb_;
 
   // The current overlay surface id. Populated while in fullscreen once the
@@ skipping 74 matching lines @@
 
   // Pipeline media duration overridden by tests.
   base::Optional<base::TimeDelta> pipeline_media_duration_for_test_;
 
   DISALLOW_COPY_AND_ASSIGN(WebMediaPlayerImpl);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BLINK_WEBMEDIAPLAYER_IMPL_H_