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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 MEDIA_BLINK_WEBMEDIAPLAYER_IMPL_H_ | 5 #ifndef MEDIA_BLINK_WEBMEDIAPLAYER_IMPL_H_ |
6 #define MEDIA_BLINK_WEBMEDIAPLAYER_IMPL_H_ | 6 #define MEDIA_BLINK_WEBMEDIAPLAYER_IMPL_H_ |
7 | 7 |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 | 9 |
10 #include <string> | 10 #include <string> |
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23 #include "media/base/surface_manager.h" | 23 #include "media/base/surface_manager.h" |
24 #include "media/base/text_track.h" | 24 #include "media/base/text_track.h" |
25 #include "media/blink/buffered_data_source.h" | 25 #include "media/blink/buffered_data_source.h" |
26 #include "media/blink/buffered_data_source_host_impl.h" | 26 #include "media/blink/buffered_data_source_host_impl.h" |
27 #include "media/blink/media_blink_export.h" | 27 #include "media/blink/media_blink_export.h" |
28 #include "media/blink/multibuffer_data_source.h" | 28 #include "media/blink/multibuffer_data_source.h" |
29 #include "media/blink/video_frame_compositor.h" | 29 #include "media/blink/video_frame_compositor.h" |
30 #include "media/blink/webmediaplayer_delegate.h" | 30 #include "media/blink/webmediaplayer_delegate.h" |
31 #include "media/blink/webmediaplayer_params.h" | 31 #include "media/blink/webmediaplayer_params.h" |
32 #include "media/blink/webmediaplayer_util.h" | 32 #include "media/blink/webmediaplayer_util.h" |
33 #include "media/filters/pipeline_controller.h" | |
33 #include "media/renderers/skcanvas_video_renderer.h" | 34 #include "media/renderers/skcanvas_video_renderer.h" |
34 #include "third_party/WebKit/public/platform/WebAudioSourceProvider.h" | 35 #include "third_party/WebKit/public/platform/WebAudioSourceProvider.h" |
35 #include "third_party/WebKit/public/platform/WebContentDecryptionModuleResult.h" | 36 #include "third_party/WebKit/public/platform/WebContentDecryptionModuleResult.h" |
36 #include "third_party/WebKit/public/platform/WebMediaPlayer.h" | 37 #include "third_party/WebKit/public/platform/WebMediaPlayer.h" |
37 #include "url/gurl.h" | 38 #include "url/gurl.h" |
38 | 39 |
39 #if defined(OS_ANDROID) // WMPI_CAST | 40 #if defined(OS_ANDROID) // WMPI_CAST |
40 // Delete this file when WMPI_CAST is no longer needed. | 41 // Delete this file when WMPI_CAST is no longer needed. |
41 #include "media/blink/webmediaplayer_cast_android.h" | 42 #include "media/blink/webmediaplayer_cast_android.h" |
42 #endif | 43 #endif |
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158 | 159 |
159 blink::WebAudioSourceProvider* audioSourceProvider() override; | 160 blink::WebAudioSourceProvider* audioSourceProvider() override; |
160 | 161 |
161 void setContentDecryptionModule( | 162 void setContentDecryptionModule( |
162 blink::WebContentDecryptionModule* cdm, | 163 blink::WebContentDecryptionModule* cdm, |
163 blink::WebContentDecryptionModuleResult result) override; | 164 blink::WebContentDecryptionModuleResult result) override; |
164 | 165 |
165 void enteredFullscreen() override; | 166 void enteredFullscreen() override; |
166 void exitedFullscreen() override; | 167 void exitedFullscreen() override; |
167 | 168 |
168 void OnPipelineSeeked(bool time_changed, PipelineStatus status); | |
169 void OnPipelineSuspended(PipelineStatus status); | |
170 void OnPipelineEnded(); | |
171 void OnPipelineError(PipelineStatus error); | |
172 void OnPipelineMetadata(PipelineMetadata metadata); | |
173 void OnPipelineBufferingStateChanged(BufferingState buffering_state); | |
174 void OnDemuxerOpened(); | |
175 void OnAddTextTrack(const TextTrackConfig& config, | |
176 const AddTextTrackDoneCB& done_cb); | |
177 | |
178 // WebMediaPlayerDelegate::Observer implementation. | 169 // WebMediaPlayerDelegate::Observer implementation. |
179 void OnHidden(bool must_suspend) override; | 170 void OnHidden(bool must_suspend) override; |
180 void OnShown() override; | 171 void OnShown() override; |
181 void OnPlay() override; | 172 void OnPlay() override; |
182 void OnPause() override; | 173 void OnPause() override; |
183 void OnVolumeMultiplierUpdate(double multiplier) override; | 174 void OnVolumeMultiplierUpdate(double multiplier) override; |
184 | 175 |
185 #if defined(OS_ANDROID) // WMPI_CAST | 176 #if defined(OS_ANDROID) // WMPI_CAST |
186 bool isRemote() const override; | 177 bool isRemote() const override; |
187 void requestRemotePlayback() override; | 178 void requestRemotePlayback() override; |
188 void requestRemotePlaybackControl() override; | 179 void requestRemotePlaybackControl() override; |
189 | 180 |
190 void SetMediaPlayerManager( | 181 void SetMediaPlayerManager( |
191 RendererMediaPlayerManagerInterface* media_player_manager); | 182 RendererMediaPlayerManagerInterface* media_player_manager); |
192 void OnRemotePlaybackEnded(); | 183 void OnRemotePlaybackEnded(); |
193 void OnDisconnectedFromRemoteDevice(double t); | 184 void OnDisconnectedFromRemoteDevice(double t); |
194 void SuspendForRemote(); | 185 void SuspendForRemote(); |
195 void DisplayCastFrameAfterSuspend(const scoped_refptr<VideoFrame>& new_frame, | 186 void DisplayCastFrameAfterSuspend(const scoped_refptr<VideoFrame>& new_frame, |
196 PipelineStatus status); | 187 PipelineStatus status); |
197 gfx::Size GetCanvasSize() const; | 188 gfx::Size GetCanvasSize() const; |
198 void SetDeviceScaleFactor(float scale_factor); | 189 void SetDeviceScaleFactor(float scale_factor); |
199 #endif | 190 #endif |
200 | 191 |
192 // Called from WebMediaPlayerCast. | |
DaleCurtis
2016/02/25 01:58:29
Mark with TODO WMPI_CAST make private?
sandersd (OOO until July 31)
2016/02/25 20:33:46
Done.
| |
193 void OnPipelineSeeked(bool time_updated); | |
194 | |
201 private: | 195 private: |
202 // Ask for the pipeline to be suspended, will call Suspend() when ready. | 196 void OnPipelineSuspended(); |
203 // (Possibly immediately.) | |
204 void ScheduleSuspend(); | |
205 | 197 |
DaleCurtis
2016/02/25 01:58:30
Extra space?
sandersd (OOO until July 31)
2016/02/25 20:33:46
The methods were distinguished by whether they wer
| |
206 // Initiate suspending the pipeline. | 198 void OnPipelineEnded(); |
207 void Suspend(); | 199 void OnPipelineError(PipelineStatus error); |
200 void OnPipelineMetadata(PipelineMetadata metadata); | |
201 void OnPipelineBufferingStateChanged(BufferingState buffering_state); | |
202 void OnDemuxerOpened(); | |
203 void OnAddTextTrack(const TextTrackConfig& config, | |
204 const AddTextTrackDoneCB& done_cb); | |
208 | 205 |
209 // Ask for the pipeline to be resumed, will call Resume() when ready. | 206 // Actually seek. Avoids causing |should_notify_time_changed_| to be set when |
210 // (Possibly immediately.) | 207 // |renderer_initiated| is true. |
211 void ScheduleResume(); | 208 void DoSeek(base::TimeDelta time, bool renderer_initiated); |
212 | |
213 // Initiate resuming the pipeline. | |
214 void Resume(); | |
215 | 209 |
216 // Ask for the renderer to be restarted (destructed and recreated). | 210 // Ask for the renderer to be restarted (destructed and recreated). |
217 void ScheduleRestart(); | 211 void ScheduleRestart(); |
218 | 212 |
219 // Called after |defer_load_cb_| has decided to allow the load. If | 213 // Called after |defer_load_cb_| has decided to allow the load. If |
220 // |defer_load_cb_| is null this is called immediately. | 214 // |defer_load_cb_| is null this is called immediately. |
221 void DoLoad(LoadType load_type, | 215 void DoLoad(LoadType load_type, |
222 const blink::WebURL& url, | 216 const blink::WebURL& url, |
223 CORSMode cors_mode); | 217 CORSMode cors_mode); |
224 | 218 |
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265 // is not available. | 259 // is not available. |
266 void OnWaitingForDecryptionKey(); | 260 void OnWaitingForDecryptionKey(); |
267 | 261 |
268 // Sets |cdm_context| on the pipeline and fires |cdm_attached_cb| when done. | 262 // Sets |cdm_context| on the pipeline and fires |cdm_attached_cb| when done. |
269 // Parameter order is reversed for easy binding. | 263 // Parameter order is reversed for easy binding. |
270 void SetCdm(const CdmAttachedCB& cdm_attached_cb, CdmContext* cdm_context); | 264 void SetCdm(const CdmAttachedCB& cdm_attached_cb, CdmContext* cdm_context); |
271 | 265 |
272 // Called when a CDM has been attached to the |pipeline_|. | 266 // Called when a CDM has been attached to the |pipeline_|. |
273 void OnCdmAttached(bool success); | 267 void OnCdmAttached(bool success); |
274 | 268 |
275 // Updates |paused_time_| to the current media time with consideration for the | |
276 // |ended_| state by clamping current time to duration upon |ended_|. | |
277 void UpdatePausedTime(); | |
278 | |
279 // Notifies |delegate_| that playback has started or was paused; also starts | 269 // Notifies |delegate_| that playback has started or was paused; also starts |
280 // or stops the memory usage reporting timer respectively. | 270 // or stops the memory usage reporting timer respectively. |
281 void NotifyPlaybackStarted(); | 271 void NotifyPlaybackStarted(); |
282 void NotifyPlaybackPaused(); | 272 void NotifyPlaybackPaused(); |
283 | 273 |
284 // Called at low frequency to tell external observers how much memory we're | 274 // Called at low frequency to tell external observers how much memory we're |
285 // using for video playback. Called by |memory_usage_reporting_timer_|. | 275 // using for video playback. Called by |memory_usage_reporting_timer_|. |
286 // Memory usage reporting is done in two steps, because |demuxer_| must be | 276 // Memory usage reporting is done in two steps, because |demuxer_| must be |
287 // accessed on the media thread. | 277 // accessed on the media thread. |
288 void ReportMemoryUsage(); | 278 void ReportMemoryUsage(); |
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301 // setBufferingStrategy(). | 291 // setBufferingStrategy(). |
302 BufferedDataSource::BufferingStrategy buffering_strategy_; | 292 BufferedDataSource::BufferingStrategy buffering_strategy_; |
303 | 293 |
304 // Task runner for posting tasks on Chrome's main thread. Also used | 294 // Task runner for posting tasks on Chrome's main thread. Also used |
305 // for DCHECKs so methods calls won't execute in the wrong thread. | 295 // for DCHECKs so methods calls won't execute in the wrong thread. |
306 const scoped_refptr<base::SingleThreadTaskRunner> main_task_runner_; | 296 const scoped_refptr<base::SingleThreadTaskRunner> main_task_runner_; |
307 | 297 |
308 scoped_refptr<base::SingleThreadTaskRunner> media_task_runner_; | 298 scoped_refptr<base::SingleThreadTaskRunner> media_task_runner_; |
309 scoped_refptr<base::TaskRunner> worker_task_runner_; | 299 scoped_refptr<base::TaskRunner> worker_task_runner_; |
310 scoped_refptr<MediaLog> media_log_; | 300 scoped_refptr<MediaLog> media_log_; |
311 PipelineImpl pipeline_; | 301 PipelineImpl pipeline_; |
DaleCurtis
2016/02/25 01:58:30
Might add a comment here that pipeline_controller_
sandersd (OOO until July 31)
2016/02/25 20:33:46
Done.
| |
302 PipelineController pipeline_controller_; | |
312 | 303 |
313 // The LoadType passed in the |load_type| parameter of the load() call. | 304 // The LoadType passed in the |load_type| parameter of the load() call. |
314 LoadType load_type_; | 305 LoadType load_type_; |
315 | 306 |
316 // Cache of metadata for answering hasAudio(), hasVideo(), and naturalSize(). | 307 // Cache of metadata for answering hasAudio(), hasVideo(), and naturalSize(). |
317 PipelineMetadata pipeline_metadata_; | 308 PipelineMetadata pipeline_metadata_; |
318 | 309 |
319 // Whether the video is known to be opaque or not. | 310 // Whether the video is known to be opaque or not. |
320 bool opaque_; | 311 bool opaque_; |
321 | 312 |
322 // Playback state. | 313 // Playback state. |
323 // | 314 // |
324 // TODO(scherkus): we have these because Pipeline favours the simplicity of a | 315 // TODO(scherkus): we have these because Pipeline favours the simplicity of a |
325 // single "playback rate" over worrying about paused/stopped etc... It forces | 316 // single "playback rate" over worrying about paused/stopped etc... It forces |
326 // all clients to manage the pause+playback rate externally, but is that | 317 // all clients to manage the pause+playback rate externally, but is that |
327 // really a bad thing? | 318 // really a bad thing? |
328 // | 319 // |
329 // TODO(scherkus): since SetPlaybackRate(0) is asynchronous and we don't want | 320 // TODO(scherkus): since SetPlaybackRate(0) is asynchronous and we don't want |
330 // to hang the render thread during pause(), we record the time at the same | 321 // to hang the render thread during pause(), we record the time at the same |
331 // time we pause and then return that value in currentTime(). Otherwise our | 322 // time we pause and then return that value in currentTime(). Otherwise our |
332 // clock can creep forward a little bit while the asynchronous | 323 // clock can creep forward a little bit while the asynchronous |
333 // SetPlaybackRate(0) is being executed. | 324 // SetPlaybackRate(0) is being executed. |
334 double playback_rate_; | 325 double playback_rate_; |
326 | |
327 // Set while paused. |paused_time_| is only valid when |paused_| is true. | |
335 bool paused_; | 328 bool paused_; |
336 base::TimeDelta paused_time_; | 329 base::TimeDelta paused_time_; |
330 | |
331 // Set when starting, seeking, and resuming (all of which require a Pipeline | |
332 // seek). |seek_time_| is only valid when |seeking_| is true. | |
337 bool seeking_; | 333 bool seeking_; |
338 | |
339 // Set when seeking (|seeking_| is true) or resuming. | |
340 base::TimeDelta seek_time_; | 334 base::TimeDelta seek_time_; |
341 | 335 |
342 // Set when a suspend is required but another suspend or seek is in progress. | |
343 bool pending_suspend_; | |
344 | |
345 // Set when suspending immediately after a seek. The time change will happen | |
346 // after Resume(). | |
347 bool pending_time_change_; | |
348 | |
349 // Set when a resume is required but suspending is in progress. | |
350 bool pending_resume_; | |
351 | |
352 // Set for the entire period between suspend starting and resume completing. | |
353 bool suspending_; | |
354 | |
355 // Set while suspending to detect double-suspend. | |
356 bool suspended_; | |
357 | |
358 // Set while resuming to detect double-resume. | |
359 bool resuming_; | |
360 | |
361 // Set when doing a restart (a suspend and resume in sequence) of the pipeline | 336 // Set when doing a restart (a suspend and resume in sequence) of the pipeline |
362 // in order to destruct and reinitialize the decoders. This is separate from | 337 // in order to destruct and reinitialize the decoders. This is separate from |
363 // |pending_resume_| and |pending_suspend_| because they can be elided in | 338 // |pending_resume_| and |pending_suspend_| because they can be elided in |
364 // certain cases, whereas for a restart they must happen. | 339 // certain cases, whereas for a restart they must happen. |
365 // TODO(sandersd,watk): Create a simpler interface for a pipeline restart. | 340 // TODO(sandersd,watk): Create a simpler interface for a pipeline restart. |
366 bool pending_suspend_resume_cycle_; | 341 bool pending_suspend_resume_cycle_; |
367 | 342 |
368 // TODO(scherkus): Replace with an explicit ended signal to HTMLMediaElement, | 343 // TODO(scherkus): Replace with an explicit ended signal to HTMLMediaElement, |
369 // see http://crbug.com/409280 | 344 // see http://crbug.com/409280 |
370 bool ended_; | 345 bool ended_; |
371 | 346 |
372 // Indicates that a seek is queued after the current seek completes or, if the | |
373 // pipeline is suspended, after it resumes. Only the last queued seek will | |
374 // have any effect. | |
375 bool pending_seek_; | |
376 | |
377 // |pending_seek_time_| is meaningless when |pending_seek_| is false. | |
378 base::TimeDelta pending_seek_time_; | |
379 | |
380 // Tracks whether to issue time changed notifications during buffering state | 347 // Tracks whether to issue time changed notifications during buffering state |
381 // changes. | 348 // changes. |
382 bool should_notify_time_changed_; | 349 bool should_notify_time_changed_; |
383 | 350 |
384 bool fullscreen_; | 351 bool fullscreen_; |
385 | 352 |
386 // Whether the current decoder requires a restart on fullscreen transitions. | 353 // Whether the current decoder requires a restart on fullscreen transitions. |
387 bool decoder_requires_restart_for_fullscreen_; | 354 bool decoder_requires_restart_for_fullscreen_; |
388 | 355 |
389 blink::WebMediaPlayerClient* client_; | 356 blink::WebMediaPlayerClient* client_; |
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453 // For requesting surfaces on behalf of the Android H/W decoder in fullscreen. | 420 // For requesting surfaces on behalf of the Android H/W decoder in fullscreen. |
454 // This will be null everywhere but Android. | 421 // This will be null everywhere but Android. |
455 SurfaceManager* surface_manager_; | 422 SurfaceManager* surface_manager_; |
456 | 423 |
457 DISALLOW_COPY_AND_ASSIGN(WebMediaPlayerImpl); | 424 DISALLOW_COPY_AND_ASSIGN(WebMediaPlayerImpl); |
458 }; | 425 }; |
459 | 426 |
460 } // namespace media | 427 } // namespace media |
461 | 428 |
462 #endif // MEDIA_BLINK_WEBMEDIAPLAYER_IMPL_H_ | 429 #endif // MEDIA_BLINK_WEBMEDIAPLAYER_IMPL_H_ |
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