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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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