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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 <stdint.h> | 8 #include <stdint.h> |
9 | 9 |
10 #include "base/macros.h" | 10 #include "base/macros.h" |
11 #include "media/base/renderer.h" | 11 #include "media/base/renderer.h" |
12 #include "media/mojo/interfaces/renderer.mojom.h" | 12 #include "media/mojo/interfaces/renderer.mojom.h" |
13 #include "mojo/public/cpp/bindings/binding.h" | 13 #include "mojo/public/cpp/bindings/binding.h" |
14 | 14 |
15 namespace base { | 15 namespace base { |
16 class SingleThreadTaskRunner; | 16 class SingleThreadTaskRunner; |
17 } | 17 } |
18 | 18 |
19 namespace media { | 19 namespace media { |
20 | 20 |
21 class DemuxerStreamProvider; | 21 class DemuxerStreamProvider; |
22 | 22 |
23 // A media::Renderer that proxies to a interfaces::Renderer. That | 23 // A media::Renderer that proxies to a mojom::Renderer. That |
24 // interfaces::Renderer proxies back to the MojoRendererImpl via the | 24 // mojom::Renderer proxies back to the MojoRendererImpl via the |
25 // interfaces::RendererClient interface. | 25 // mojom::RendererClient interface. |
26 // | 26 // |
27 // This class can be created on any thread, where the |remote_renderer| is | 27 // This class can be created on any thread, where the |remote_renderer| is |
28 // connected and passed in the constructor. Then Initialize() will be called on | 28 // connected and passed in the constructor. Then Initialize() will be called on |
29 // the |task_runner| and starting from that point this class is bound to the | 29 // the |task_runner| and starting from that point this class is bound to the |
30 // |task_runner|*. That means all Renderer and RendererClient methods will be | 30 // |task_runner|*. That means all Renderer and RendererClient methods will be |
31 // called/dispached on the |task_runner|. The only exception is GetMediaTime(), | 31 // called/dispached on the |task_runner|. The only exception is GetMediaTime(), |
32 // which can be called on any thread. | 32 // which can be called on any thread. |
33 class MojoRendererImpl : public Renderer, public interfaces::RendererClient { | 33 class MojoRendererImpl : public Renderer, public mojom::RendererClient { |
34 public: | 34 public: |
35 MojoRendererImpl( | 35 MojoRendererImpl( |
36 const scoped_refptr<base::SingleThreadTaskRunner>& task_runner, | 36 const scoped_refptr<base::SingleThreadTaskRunner>& task_runner, |
37 interfaces::RendererPtr remote_renderer); | 37 mojom::RendererPtr remote_renderer); |
38 ~MojoRendererImpl() override; | 38 ~MojoRendererImpl() override; |
39 | 39 |
40 // Renderer implementation. | 40 // Renderer implementation. |
41 void Initialize(DemuxerStreamProvider* demuxer_stream_provider, | 41 void Initialize(DemuxerStreamProvider* demuxer_stream_provider, |
42 media::RendererClient* client, | 42 media::RendererClient* client, |
43 const PipelineStatusCB& init_cb) override; | 43 const PipelineStatusCB& init_cb) override; |
44 void SetCdm(CdmContext* cdm_context, | 44 void SetCdm(CdmContext* cdm_context, |
45 const CdmAttachedCB& cdm_attached_cb) override; | 45 const CdmAttachedCB& cdm_attached_cb) override; |
46 void Flush(const base::Closure& flush_cb) override; | 46 void Flush(const base::Closure& flush_cb) override; |
47 void StartPlayingFrom(base::TimeDelta time) override; | 47 void StartPlayingFrom(base::TimeDelta time) override; |
48 void SetPlaybackRate(double playback_rate) override; | 48 void SetPlaybackRate(double playback_rate) override; |
49 void SetVolume(float volume) override; | 49 void SetVolume(float volume) override; |
50 base::TimeDelta GetMediaTime() override; | 50 base::TimeDelta GetMediaTime() override; |
51 bool HasAudio() override; | 51 bool HasAudio() override; |
52 bool HasVideo() override; | 52 bool HasVideo() override; |
53 | 53 |
54 private: | 54 private: |
55 // interfaces::RendererClient implementation, dispatched on the | 55 // mojom::RendererClient implementation, dispatched on the |
56 // |task_runner_|. | 56 // |task_runner_|. |
57 void OnTimeUpdate(int64_t time_usec, int64_t max_time_usec) override; | 57 void OnTimeUpdate(int64_t time_usec, int64_t max_time_usec) override; |
58 void OnBufferingStateChange(interfaces::BufferingState state) override; | 58 void OnBufferingStateChange(mojom::BufferingState state) override; |
59 void OnEnded() override; | 59 void OnEnded() override; |
60 void OnError() override; | 60 void OnError() override; |
61 | 61 |
62 // Callback for connection error on |remote_renderer_|. | 62 // Callback for connection error on |remote_renderer_|. |
63 void OnConnectionError(); | 63 void OnConnectionError(); |
64 | 64 |
65 // Called when |remote_renderer_| has finished initializing. | 65 // Called when |remote_renderer_| has finished initializing. |
66 void OnInitialized(bool success); | 66 void OnInitialized(bool success); |
67 | 67 |
68 // |task_runner| on which all methods are invoked, except for GetMediaTime(), | 68 // |task_runner| on which all methods are invoked, except for GetMediaTime(), |
69 // which can be called on any thread. | 69 // which can be called on any thread. |
70 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; | 70 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; |
71 | 71 |
72 // Provider of audio/video DemuxerStreams. Must be valid throughout the | 72 // Provider of audio/video DemuxerStreams. Must be valid throughout the |
73 // lifetime of |this|. | 73 // lifetime of |this|. |
74 DemuxerStreamProvider* demuxer_stream_provider_; | 74 DemuxerStreamProvider* demuxer_stream_provider_; |
75 | 75 |
76 // Client of |this| renderer passed in Initialize. | 76 // Client of |this| renderer passed in Initialize. |
77 media::RendererClient* client_; | 77 media::RendererClient* client_; |
78 | 78 |
79 // This class is constructed on one thread and used exclusively on another | 79 // This class is constructed on one thread and used exclusively on another |
80 // thread. This member is used to safely pass the RendererPtr from one thread | 80 // thread. This member is used to safely pass the RendererPtr from one thread |
81 // to another. It is set in the constructor and is consumed in Initialize(). | 81 // to another. It is set in the constructor and is consumed in Initialize(). |
82 interfaces::RendererPtrInfo remote_renderer_info_; | 82 mojom::RendererPtrInfo remote_renderer_info_; |
83 | 83 |
84 // Remote Renderer, bound to |task_runner_| during Initialize(). | 84 // Remote Renderer, bound to |task_runner_| during Initialize(). |
85 interfaces::RendererPtr remote_renderer_; | 85 mojom::RendererPtr remote_renderer_; |
86 | 86 |
87 // Binding for RendererClient, bound to the |task_runner_|. | 87 // Binding for RendererClient, bound to the |task_runner_|. |
88 mojo::Binding<RendererClient> binding_; | 88 mojo::Binding<RendererClient> binding_; |
89 | 89 |
90 // Callbacks passed to Initialize() that we forward messages from | 90 // Callbacks passed to Initialize() that we forward messages from |
91 // |remote_renderer_| through. | 91 // |remote_renderer_| through. |
92 PipelineStatusCB init_cb_; | 92 PipelineStatusCB init_cb_; |
93 | 93 |
94 // Lock used to serialize access for |time_|. | 94 // Lock used to serialize access for |time_|. |
95 mutable base::Lock lock_; | 95 mutable base::Lock lock_; |
96 base::TimeDelta time_; | 96 base::TimeDelta time_; |
97 | 97 |
98 DISALLOW_COPY_AND_ASSIGN(MojoRendererImpl); | 98 DISALLOW_COPY_AND_ASSIGN(MojoRendererImpl); |
99 }; | 99 }; |
100 | 100 |
101 } // namespace media | 101 } // namespace media |
102 | 102 |
103 #endif // MEDIA_MOJO_SERVICES_MOJO_RENDERER_IMPL_H_ | 103 #endif // MEDIA_MOJO_SERVICES_MOJO_RENDERER_IMPL_H_ |
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