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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef MEDIA_BASE_ANDROID_MEDIA_CODEC_PLAYER_H_ |
| 6 #define MEDIA_BASE_ANDROID_MEDIA_CODEC_PLAYER_H_ |
| 7 |
| 8 #include "base/android/scoped_java_ref.h" |
| 9 #include "base/memory/scoped_ptr.h" |
| 10 #include "base/memory/weak_ptr.h" |
| 11 #include "base/threading/thread.h" |
| 12 #include "media/base/android/demuxer_android.h" |
| 13 #include "media/base/android/media_player_android.h" |
| 14 #include "media/base/media_export.h" |
| 15 #include "ui/gl/android/scoped_java_surface.h" |
| 16 |
| 17 namespace media { |
| 18 |
| 19 class BrowserCdm; |
| 20 |
| 21 // Returns the task runner for the media thread |
| 22 MEDIA_EXPORT scoped_refptr<base::SingleThreadTaskRunner> GetMediaTaskRunner(); |
| 23 |
| 24 |
| 25 // This class implements the media player using Android's MediaCodec. |
| 26 // It differs from MediaSourcePlayer in that it removes most |
| 27 // processing away from UI thread: it uses a dedicated Media thread |
| 28 // to receive the data and to handle commands. |
| 29 class MEDIA_EXPORT MediaCodecPlayer : public MediaPlayerAndroid, |
| 30 public DemuxerAndroidClient { |
| 31 public: |
| 32 // Constructs a player with the given ID and demuxer. |manager| must outlive |
| 33 // the lifetime of this object. |
| 34 MediaCodecPlayer(int player_id, |
| 35 MediaPlayerManager* manager, |
| 36 const RequestMediaResourcesCB& request_media_resources_cb, |
| 37 scoped_ptr<DemuxerAndroid> demuxer, |
| 38 const GURL& frame_url); |
| 39 ~MediaCodecPlayer() override; |
| 40 |
| 41 // MediaPlayerAndroid implementation. |
| 42 void DeleteOnCorrectThread() override; |
| 43 void SetVideoSurface(gfx::ScopedJavaSurface surface) override; |
| 44 void Start() override; |
| 45 void Pause(bool is_media_related_action) override; |
| 46 void SeekTo(base::TimeDelta timestamp) override; |
| 47 void Release() override; |
| 48 void SetVolume(double volume) override; |
| 49 int GetVideoWidth() override; |
| 50 int GetVideoHeight() override; |
| 51 base::TimeDelta GetCurrentTime() override; |
| 52 base::TimeDelta GetDuration() override; |
| 53 bool IsPlaying() override; |
| 54 bool CanPause() override; |
| 55 bool CanSeekForward() override; |
| 56 bool CanSeekBackward() override; |
| 57 bool IsPlayerReady() override; |
| 58 void SetCdm(BrowserCdm* cdm) override; |
| 59 |
| 60 // DemuxerAndroidClient implementation. |
| 61 void OnDemuxerConfigsAvailable(const DemuxerConfigs& params) override; |
| 62 void OnDemuxerDataAvailable(const DemuxerData& params) override; |
| 63 void OnDemuxerSeekDone(base::TimeDelta actual_browser_seek_time) override; |
| 64 void OnDemuxerDurationChanged(base::TimeDelta duration) override; |
| 65 |
| 66 // Helper methods |
| 67 void Initialize(); |
| 68 void DestroySelf(); |
| 69 |
| 70 private: |
| 71 // Object for posting tasks on UI thread. |
| 72 scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner_; |
| 73 |
| 74 scoped_ptr<DemuxerAndroid> demuxer_; |
| 75 |
| 76 base::WeakPtr<MediaCodecPlayer> weak_this_; |
| 77 // NOTE: Weak pointers must be invalidated before all other member variables. |
| 78 base::WeakPtrFactory<MediaCodecPlayer> weak_factory_; |
| 79 |
| 80 DISALLOW_COPY_AND_ASSIGN(MediaCodecPlayer); |
| 81 }; |
| 82 |
| 83 } // namespace media |
| 84 |
| 85 #endif // MEDIA_BASE_ANDROID_MEDIA_CODEC_PLAYER_H_ |
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