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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CONTENT_RENDERER_MEDIA_ANDROID_RENDERER_DEMUXER_ANDROID_H_ | |
| 6 #define CONTENT_RENDERER_MEDIA_ANDROID_RENDERER_DEMUXER_ANDROID_H_ | |
| 7 | |
| 8 #include "base/atomic_sequence_num.h" | |
| 9 #include "base/id_map.h" | |
| 10 #include "base/macros.h" | |
| 11 #include "ipc/message_filter.h" | |
| 12 #include "media/base/android/demuxer_stream_player_params.h" | |
| 13 | |
| 14 namespace base { | |
| 15 class SingleThreadTaskRunner; | |
| 16 } | |
| 17 | |
| 18 namespace content { | |
| 19 | |
| 20 class MediaSourceDelegate; | |
| 21 class ThreadSafeSender; | |
| 22 | |
| 23 // Represents the renderer process half of an IPC-based implementation of | |
| 24 // media::DemuxerAndroid. | |
| 25 // | |
| 26 // Refer to BrowserDemuxerAndroid for the browser process half. | |
| 27 class RendererDemuxerAndroid : public IPC::MessageFilter { | |
| 28 public: | |
| 29 RendererDemuxerAndroid(); | |
| 30 | |
| 31 // Returns the next available demuxer client ID for use in IPC messages. | |
| 32 // | |
| 33 // Safe to call on any thread. | |
| 34 int GetNextDemuxerClientID(); | |
| 35 | |
| 36 // Associates |delegate| with |demuxer_client_id| for handling incoming IPC | |
| 37 // messages. | |
| 38 // | |
| 39 // Must be called on media thread. | |
| 40 void AddDelegate(int demuxer_client_id, MediaSourceDelegate* delegate); | |
| 41 | |
| 42 // Removes the association created by AddDelegate(). | |
| 43 // | |
| 44 // Must be called on media thread. | |
| 45 void RemoveDelegate(int demuxer_client_id); | |
| 46 | |
| 47 // IPC::MessageFilter overrides. | |
| 48 bool OnMessageReceived(const IPC::Message& message) override; | |
| 49 | |
| 50 // media::DemuxerAndroidClient "implementation". | |
| 51 // | |
| 52 // TODO(scherkus): Consider having RendererDemuxerAndroid actually implement | |
| 53 // media::DemuxerAndroidClient and MediaSourceDelegate actually implement | |
| 54 // media::DemuxerAndroid. | |
| 55 void DemuxerReady(int demuxer_client_id, | |
| 56 const media::DemuxerConfigs& configs); | |
| 57 void ReadFromDemuxerAck(int demuxer_client_id, | |
| 58 const media::DemuxerData& data); | |
| 59 void DemuxerSeekDone(int demuxer_client_id, | |
| 60 const base::TimeDelta& actual_browser_seek_time); | |
| 61 void DurationChanged(int demuxer_client_id, const base::TimeDelta& duration); | |
| 62 | |
| 63 protected: | |
| 64 friend class base::RefCountedThreadSafe<RendererDemuxerAndroid>; | |
| 65 ~RendererDemuxerAndroid() override; | |
| 66 | |
| 67 private: | |
| 68 void DispatchMessage(const IPC::Message& message); | |
| 69 void OnReadFromDemuxer(int demuxer_client_id, | |
| 70 media::DemuxerStream::Type type); | |
| 71 void OnDemuxerSeekRequest(int demuxer_client_id, | |
| 72 const base::TimeDelta& time_to_seek, | |
| 73 bool is_browser_seek); | |
| 74 | |
| 75 base::AtomicSequenceNumber next_demuxer_client_id_; | |
| 76 | |
| 77 IDMap<MediaSourceDelegate> delegates_; | |
| 78 scoped_refptr<ThreadSafeSender> thread_safe_sender_; | |
| 79 scoped_refptr<base::SingleThreadTaskRunner> media_task_runner_; | |
| 80 | |
| 81 DISALLOW_COPY_AND_ASSIGN(RendererDemuxerAndroid); | |
| 82 }; | |
| 83 | |
| 84 } // namespace content | |
| 85 | |
| 86 #endif // CONTENT_RENDERER_MEDIA_ANDROID_RENDERER_DEMUXER_ANDROID_H_ | |
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