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Side by Side Diff: webkit/media/webmediaplayer_impl.h

Issue 9195001: Remove --simple-data-source and convert WebMediaPlayerImpl::Initialize() to a void function. (Closed) Base URL: svn://chrome-svn/chrome/trunk/src
Patch Set: no dcheck Created 8 years, 11 months ago
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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 // Delegate calls from WebCore::MediaPlayerPrivate to Chrome's video player. 5 // Delegate calls from WebCore::MediaPlayerPrivate to Chrome's video player.
6 // It contains PipelineImpl which is the actual media player pipeline, it glues 6 // It contains PipelineImpl which is the actual media player pipeline, it glues
7 // the media player pipeline, data source, audio renderer and renderer. 7 // the media player pipeline, data source, audio renderer and renderer.
8 // PipelineImpl would creates multiple threads and access some public methods 8 // PipelineImpl would creates multiple threads and access some public methods
9 // of this class, so we need to be extra careful about concurrent access of 9 // of this class, so we need to be extra careful about concurrent access of
10 // methods and members. 10 // methods and members.
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79 class WebMediaPlayerProxy; 79 class WebMediaPlayerProxy;
80 80
81 class WebMediaPlayerImpl 81 class WebMediaPlayerImpl
82 : public WebKit::WebMediaPlayer, 82 : public WebKit::WebMediaPlayer,
83 public MessageLoop::DestructionObserver, 83 public MessageLoop::DestructionObserver,
84 public base::SupportsWeakPtr<WebMediaPlayerImpl> { 84 public base::SupportsWeakPtr<WebMediaPlayerImpl> {
85 public: 85 public:
86 // Construct a WebMediaPlayerImpl with reference to the client, and media 86 // Construct a WebMediaPlayerImpl with reference to the client, and media
87 // filter collection. By providing the filter collection the implementor can 87 // filter collection. By providing the filter collection the implementor can
88 // provide more specific media filters that does resource loading and 88 // provide more specific media filters that does resource loading and
89 // rendering. |collection| should contain filter factories for: 89 // rendering.
90 // 1. Data source
91 // 2. Audio renderer
92 // 3. Video renderer (optional)
93 // 90 //
94 // There are some default filters provided by this method: 91 // WebMediaPlayerImpl comes packaged with the following media filters:
95 // 1. FFmpeg demuxer 92 // - URL fetching
96 // 2. FFmpeg audio decoder 93 // - Demuxing
97 // 3. FFmpeg video decoder 94 // - Software audio/video decoding
98 // 4. Video renderer 95 // - Video rendering
99 // 5. Null audio renderer 96 //
100 // The video renderer provided by this class is using the graphics context 97 // Clients are expected to add their platform-specific audio rendering media
101 // provided by WebKit to perform renderering. The simple data source does 98 // filter if they wish to hear any sound coming out the speakers, otherwise
102 // resource loading by loading the whole resource object into memory. Null 99 // audio data is discarded and media plays back based on wall clock time.
103 // audio renderer is a fake audio device that plays silence. Provider of the 100 //
104 // |collection| can override the default filters by adding extra filters to
105 // |collection| before calling this method.
106 // This object takes ownership of the |audio_source_provider|. 101 // This object takes ownership of the |audio_source_provider|.
107 // 102 //
108 // Callers must call |Initialize()| before they can use the object. 103 // Callers must call |Initialize()| before they can use the object.
109 WebMediaPlayerImpl(WebKit::WebMediaPlayerClient* client, 104 WebMediaPlayerImpl(WebKit::WebMediaPlayerClient* client,
110 base::WeakPtr<WebMediaPlayerDelegate> delegate, 105 base::WeakPtr<WebMediaPlayerDelegate> delegate,
111 media::FilterCollection* collection, 106 media::FilterCollection* collection,
112 WebKit::WebAudioSourceProvider* audio_source_provider, 107 WebKit::WebAudioSourceProvider* audio_source_provider,
113 media::MessageLoopFactory* message_loop_factory, 108 media::MessageLoopFactory* message_loop_factory,
114 MediaStreamClient* media_stream_client, 109 MediaStreamClient* media_stream_client,
115 media::MediaLog* media_log); 110 media::MediaLog* media_log);
116 virtual ~WebMediaPlayerImpl(); 111 virtual ~WebMediaPlayerImpl();
117 112
118 // Finalizes initialization of the object. 113 // Finalizes initialization of the object using the given WebFrame.
119 bool Initialize(WebKit::WebFrame* frame, bool use_simple_data_source); 114 //
115 // TODO(scherkus): fold this into the constructor http://crbug.com/109958
116 void Initialize(WebKit::WebFrame* frame);
120 117
121 virtual void load(const WebKit::WebURL& url); 118 virtual void load(const WebKit::WebURL& url);
122 virtual void cancelLoad(); 119 virtual void cancelLoad();
123 120
124 // Playback controls. 121 // Playback controls.
125 virtual void play(); 122 virtual void play();
126 virtual void pause(); 123 virtual void pause();
127 virtual bool supportsFullscreen() const; 124 virtual bool supportsFullscreen() const;
128 virtual bool supportsSave() const; 125 virtual bool supportsSave() const;
129 virtual void seek(float seconds); 126 virtual void seek(float seconds);
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275 bool incremented_externally_allocated_memory_; 272 bool incremented_externally_allocated_memory_;
276 273
277 WebKit::WebAudioSourceProvider* audio_source_provider_; 274 WebKit::WebAudioSourceProvider* audio_source_provider_;
278 275
279 DISALLOW_COPY_AND_ASSIGN(WebMediaPlayerImpl); 276 DISALLOW_COPY_AND_ASSIGN(WebMediaPlayerImpl);
280 }; 277 };
281 278
282 } // namespace webkit_media 279 } // namespace webkit_media
283 280
284 #endif // WEBKIT_MEDIA_WEBMEDIAPLAYER_IMPL_H_ 281 #endif // WEBKIT_MEDIA_WEBMEDIAPLAYER_IMPL_H_
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