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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 #ifndef CONTENT_RENDERER_MEDIA_BUFFERED_DATA_SOURCE_H_ | 5 #ifndef CONTENT_RENDERER_MEDIA_BUFFERED_DATA_SOURCE_H_ |
| 6 #define CONTENT_RENDERER_MEDIA_BUFFERED_DATA_SOURCE_H_ | 6 #define CONTENT_RENDERER_MEDIA_BUFFERED_DATA_SOURCE_H_ |
| 7 | 7 |
| 8 #include <string> | 8 #include <string> |
| 9 | 9 |
| 10 #include "base/callback.h" | 10 #include "base/callback.h" |
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| 85 // from the demuxer. The caller is expected to release its reference to this | 85 // from the demuxer. The caller is expected to release its reference to this |
| 86 // object and never call it again. | 86 // object and never call it again. |
| 87 // | 87 // |
| 88 // Method called on the render thread. | 88 // Method called on the render thread. |
| 89 void Abort(); | 89 void Abort(); |
| 90 | 90 |
| 91 // Notifies changes in playback state for controlling media buffering | 91 // Notifies changes in playback state for controlling media buffering |
| 92 // behavior. | 92 // behavior. |
| 93 void MediaPlaybackRateChanged(float playback_rate); | 93 void MediaPlaybackRateChanged(float playback_rate); |
| 94 void MediaIsPlaying(); | 94 void MediaIsPlaying(); |
| 95 void MediaIsPaused(); | 95 void MediaIsPaused(bool is_local_resource); |
| 96 | 96 |
| 97 // media::DataSource implementation. | 97 // media::DataSource implementation. |
| 98 // Called from demuxer thread. | 98 // Called from demuxer thread. |
| 99 virtual void Stop(const base::Closure& closure) OVERRIDE; | 99 virtual void Stop(const base::Closure& closure) OVERRIDE; |
| 100 | 100 |
| 101 virtual void Read(int64 position, int size, uint8* data, | 101 virtual void Read(int64 position, int size, uint8* data, |
| 102 const media::DataSource::ReadCB& read_cb) OVERRIDE; | 102 const media::DataSource::ReadCB& read_cb) OVERRIDE; |
| 103 virtual bool GetSize(int64* size_out) OVERRIDE; | 103 virtual bool GetSize(int64* size_out) OVERRIDE; |
| 104 virtual bool IsStreaming() OVERRIDE; | 104 virtual bool IsStreaming() OVERRIDE; |
| 105 virtual void SetBitrate(int bitrate) OVERRIDE; | 105 virtual void SetBitrate(int bitrate) OVERRIDE; |
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| 138 // when accessing ranges that are outside initial buffered region). | 138 // when accessing ranges that are outside initial buffered region). |
| 139 void PartialReadStartCallback(BufferedResourceLoader::Status status); | 139 void PartialReadStartCallback(BufferedResourceLoader::Status status); |
| 140 | 140 |
| 141 // BufferedResourceLoader callbacks. | 141 // BufferedResourceLoader callbacks. |
| 142 void ReadCallback(BufferedResourceLoader::Status status, int bytes_read); | 142 void ReadCallback(BufferedResourceLoader::Status status, int bytes_read); |
| 143 void LoadingStateChangedCallback(BufferedResourceLoader::LoadingState state); | 143 void LoadingStateChangedCallback(BufferedResourceLoader::LoadingState state); |
| 144 void ProgressCallback(int64 position); | 144 void ProgressCallback(int64 position); |
| 145 | 145 |
| 146 // Update |loader_|'s deferring strategy in response to a play/pause, or | 146 // Update |loader_|'s deferring strategy in response to a play/pause, or |
| 147 // change in playback rate. | 147 // change in playback rate. |
| 148 void UpdateDeferStrategy(bool paused); | 148 void UpdateDeferStrategy(bool paused, bool is_local_resource); |
| 149 | 149 |
| 150 // URL of the resource requested. | 150 // URL of the resource requested. |
| 151 GURL url_; | 151 GURL url_; |
| 152 // crossorigin attribute on the corresponding HTML media element, if any. | 152 // crossorigin attribute on the corresponding HTML media element, if any. |
| 153 BufferedResourceLoader::CORSMode cors_mode_; | 153 BufferedResourceLoader::CORSMode cors_mode_; |
| 154 | 154 |
| 155 // The total size of the resource. Set during StartCallback() if the size is | 155 // The total size of the resource. Set during StartCallback() if the size is |
| 156 // known, otherwise it will remain kPositionNotSpecified until the size is | 156 // known, otherwise it will remain kPositionNotSpecified until the size is |
| 157 // determined by reaching EOF. | 157 // determined by reaching EOF. |
| 158 int64 total_bytes_; | 158 int64 total_bytes_; |
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| 224 | 224 |
| 225 // NOTE: Weak pointers must be invalidated before all other member variables. | 225 // NOTE: Weak pointers must be invalidated before all other member variables. |
| 226 base::WeakPtrFactory<BufferedDataSource> weak_factory_; | 226 base::WeakPtrFactory<BufferedDataSource> weak_factory_; |
| 227 | 227 |
| 228 DISALLOW_COPY_AND_ASSIGN(BufferedDataSource); | 228 DISALLOW_COPY_AND_ASSIGN(BufferedDataSource); |
| 229 }; | 229 }; |
| 230 | 230 |
| 231 } // namespace content | 231 } // namespace content |
| 232 | 232 |
| 233 #endif // CONTENT_RENDERER_MEDIA_BUFFERED_DATA_SOURCE_H_ | 233 #endif // CONTENT_RENDERER_MEDIA_BUFFERED_DATA_SOURCE_H_ |
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