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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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_MOJO_SERVICES_MOJO_RENDERER_IMPL_H_ | 5 #ifndef MEDIA_MOJO_SERVICES_MOJO_RENDERER_IMPL_H_ |
6 #define MEDIA_MOJO_SERVICES_MOJO_RENDERER_IMPL_H_ | 6 #define MEDIA_MOJO_SERVICES_MOJO_RENDERER_IMPL_H_ |
7 | 7 |
8 #include "base/macros.h" | 8 #include "base/macros.h" |
9 #include "base/memory/weak_ptr.h" | 9 #include "base/memory/weak_ptr.h" |
10 #include "media/base/renderer.h" | 10 #include "media/base/renderer.h" |
11 #include "media/mojo/interfaces/media_renderer.mojom.h" | 11 #include "media/mojo/interfaces/renderer.mojom.h" |
12 | 12 |
13 namespace base { | 13 namespace base { |
14 class SingleThreadTaskRunner; | 14 class SingleThreadTaskRunner; |
15 } | 15 } |
16 | 16 |
17 namespace media { | 17 namespace media { |
18 | 18 |
19 class DemuxerStreamProvider; | 19 class DemuxerStreamProvider; |
20 | 20 |
21 // A media::Renderer that proxies to a interfaces::MediaRenderer. That | 21 // A media::Renderer that proxies to a interfaces::Renderer. That |
22 // interfaces::MediaRenderer proxies back to the MojoRendererImpl via the | 22 // interfaces::Renderer proxies back to the MojoRendererImpl via the |
23 // interfaces::MediaRendererClient interface. | 23 // interfaces::RendererClient interface. |
24 // | 24 // |
25 // MojoRendererImpl implements media::Renderer for use as either an audio | 25 // MojoRendererImpl implements media::Renderer for use as either an audio |
26 // or video renderer. | 26 // or video renderer. |
27 class MojoRendererImpl : public Renderer, | 27 class MojoRendererImpl : public Renderer, public interfaces::RendererClient { |
28 public interfaces::MediaRendererClient { | |
29 public: | 28 public: |
30 // |task_runner| is the TaskRunner on which all methods are invoked. | 29 // |task_runner| is the TaskRunner on which all methods are invoked. |
31 MojoRendererImpl( | 30 MojoRendererImpl( |
32 const scoped_refptr<base::SingleThreadTaskRunner>& task_runner, | 31 const scoped_refptr<base::SingleThreadTaskRunner>& task_runner, |
33 interfaces::MediaRendererPtr remote_media_renderer); | 32 interfaces::RendererPtr remote_renderer); |
34 ~MojoRendererImpl() override; | 33 ~MojoRendererImpl() override; |
35 | 34 |
36 // Renderer implementation. | 35 // Renderer implementation. |
37 void Initialize(DemuxerStreamProvider* demuxer_stream_provider, | 36 void Initialize(DemuxerStreamProvider* demuxer_stream_provider, |
38 const PipelineStatusCB& init_cb, | 37 const PipelineStatusCB& init_cb, |
39 const StatisticsCB& statistics_cb, | 38 const StatisticsCB& statistics_cb, |
40 const BufferingStateCB& buffering_state_cb, | 39 const BufferingStateCB& buffering_state_cb, |
41 const base::Closure& ended_cb, | 40 const base::Closure& ended_cb, |
42 const PipelineStatusCB& error_cb, | 41 const PipelineStatusCB& error_cb, |
43 const base::Closure& waiting_for_decryption_key_cb) override; | 42 const base::Closure& waiting_for_decryption_key_cb) override; |
44 void SetCdm(CdmContext* cdm_context, | 43 void SetCdm(CdmContext* cdm_context, |
45 const CdmAttachedCB& cdm_attached_cb) override; | 44 const CdmAttachedCB& cdm_attached_cb) override; |
46 void Flush(const base::Closure& flush_cb) override; | 45 void Flush(const base::Closure& flush_cb) override; |
47 void StartPlayingFrom(base::TimeDelta time) override; | 46 void StartPlayingFrom(base::TimeDelta time) override; |
48 void SetPlaybackRate(double playback_rate) override; | 47 void SetPlaybackRate(double playback_rate) override; |
49 void SetVolume(float volume) override; | 48 void SetVolume(float volume) override; |
50 base::TimeDelta GetMediaTime() override; | 49 base::TimeDelta GetMediaTime() override; |
51 bool HasAudio() override; | 50 bool HasAudio() override; |
52 bool HasVideo() override; | 51 bool HasVideo() override; |
53 | 52 |
54 // interfaces::MediaRendererClient implementation. | 53 // interfaces::RendererClient implementation. |
55 void OnTimeUpdate(int64_t time_usec, int64_t max_time_usec) override; | 54 void OnTimeUpdate(int64_t time_usec, int64_t max_time_usec) override; |
56 void OnBufferingStateChange(interfaces::BufferingState state) override; | 55 void OnBufferingStateChange(interfaces::BufferingState state) override; |
57 void OnEnded() override; | 56 void OnEnded() override; |
58 void OnError() override; | 57 void OnError() override; |
59 | 58 |
60 private: | 59 private: |
61 // Called when |remote_media_renderer_| has finished initializing. | 60 // Called when |remote_renderer_| has finished initializing. |
62 void OnInitialized(bool success); | 61 void OnInitialized(bool success); |
63 | 62 |
64 // Task runner used to execute pipeline tasks. | 63 // Task runner used to execute pipeline tasks. |
65 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; | 64 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; |
66 | 65 |
67 DemuxerStreamProvider* demuxer_stream_provider_; | 66 DemuxerStreamProvider* demuxer_stream_provider_; |
68 interfaces::MediaRendererPtr remote_media_renderer_; | 67 interfaces::RendererPtr remote_renderer_; |
69 mojo::Binding<MediaRendererClient> binding_; | 68 mojo::Binding<RendererClient> binding_; |
70 | 69 |
71 // Callbacks passed to Initialize() that we forward messages from | 70 // Callbacks passed to Initialize() that we forward messages from |
72 // |remote_media_renderer_| through. | 71 // |remote_renderer_| through. |
73 PipelineStatusCB init_cb_; | 72 PipelineStatusCB init_cb_; |
74 base::Closure ended_cb_; | 73 base::Closure ended_cb_; |
75 PipelineStatusCB error_cb_; | 74 PipelineStatusCB error_cb_; |
76 BufferingStateCB buffering_state_cb_; | 75 BufferingStateCB buffering_state_cb_; |
77 | 76 |
78 // Lock used to serialize access for the following data members. | 77 // Lock used to serialize access for the following data members. |
79 mutable base::Lock lock_; | 78 mutable base::Lock lock_; |
80 | 79 |
81 base::TimeDelta time_; | 80 base::TimeDelta time_; |
82 // TODO(xhwang): It seems we don't need |max_time_| now. Drop it! | 81 // TODO(xhwang): It seems we don't need |max_time_| now. Drop it! |
83 base::TimeDelta max_time_; | 82 base::TimeDelta max_time_; |
84 | 83 |
85 base::WeakPtrFactory<MojoRendererImpl> weak_factory_; | 84 base::WeakPtrFactory<MojoRendererImpl> weak_factory_; |
86 | 85 |
87 DISALLOW_COPY_AND_ASSIGN(MojoRendererImpl); | 86 DISALLOW_COPY_AND_ASSIGN(MojoRendererImpl); |
88 }; | 87 }; |
89 | 88 |
90 } // namespace media | 89 } // namespace media |
91 | 90 |
92 #endif // MEDIA_MOJO_SERVICES_MOJO_RENDERER_IMPL_H_ | 91 #endif // MEDIA_MOJO_SERVICES_MOJO_RENDERER_IMPL_H_ |
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