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Side by Side Diff: media/mojo/services/mojo_renderer_service.h

Issue 1955843002: Move Renderer permanent callbacks into RendererClient interface. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: addressed comments Created 4 years, 7 months ago
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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_SERVICE_H_ 5 #ifndef MEDIA_MOJO_SERVICES_MOJO_RENDERER_SERVICE_H_
6 #define MEDIA_MOJO_SERVICES_MOJO_RENDERER_SERVICE_H_ 6 #define MEDIA_MOJO_SERVICES_MOJO_RENDERER_SERVICE_H_
7 7
8 #include <stdint.h> 8 #include <stdint.h>
9 9
10 #include <memory> 10 #include <memory>
11 11
12 #include "base/macros.h" 12 #include "base/macros.h"
13 #include "base/memory/ref_counted.h" 13 #include "base/memory/ref_counted.h"
14 #include "base/memory/weak_ptr.h" 14 #include "base/memory/weak_ptr.h"
15 #include "base/timer/timer.h" 15 #include "base/timer/timer.h"
16 #include "media/base/buffering_state.h" 16 #include "media/base/buffering_state.h"
17 #include "media/base/pipeline_status.h" 17 #include "media/base/pipeline_status.h"
18 #include "media/base/renderer_client.h"
18 #include "media/mojo/interfaces/renderer.mojom.h" 19 #include "media/mojo/interfaces/renderer.mojom.h"
19 #include "mojo/public/cpp/bindings/strong_binding.h" 20 #include "mojo/public/cpp/bindings/strong_binding.h"
20 21
21 namespace media { 22 namespace media {
22 23
23 class DemuxerStreamProviderShim; 24 class DemuxerStreamProviderShim;
24 class MediaKeys; 25 class MediaKeys;
25 class MojoCdmServiceContext; 26 class MojoCdmServiceContext;
26 class Renderer; 27 class Renderer;
27 28
28 // An interfaces::Renderer implementation that use a media::Renderer to render 29 // An interfaces::Renderer implementation that use a media::Renderer to render
29 // media streams. 30 // media streams.
30 class MojoRendererService : interfaces::Renderer { 31 class MojoRendererService : public interfaces::Renderer, public RendererClient {
31 public: 32 public:
32 // |mojo_cdm_service_context| can be used to find the CDM to support 33 // |mojo_cdm_service_context| can be used to find the CDM to support
33 // encrypted media. If null, encrypted media is not supported. 34 // encrypted media. If null, encrypted media is not supported.
34 MojoRendererService( 35 MojoRendererService(
35 base::WeakPtr<MojoCdmServiceContext> mojo_cdm_service_context, 36 base::WeakPtr<MojoCdmServiceContext> mojo_cdm_service_context,
36 std::unique_ptr<media::Renderer> renderer, 37 std::unique_ptr<media::Renderer> renderer,
37 mojo::InterfaceRequest<interfaces::Renderer> request); 38 mojo::InterfaceRequest<interfaces::Renderer> request);
38 ~MojoRendererService() final; 39 ~MojoRendererService() final;
39 40
40 // interfaces::Renderer implementation. 41 // interfaces::Renderer implementation.
41 void Initialize(interfaces::RendererClientPtr client, 42 void Initialize(interfaces::RendererClientPtr client,
42 interfaces::DemuxerStreamPtr audio, 43 interfaces::DemuxerStreamPtr audio,
43 interfaces::DemuxerStreamPtr video, 44 interfaces::DemuxerStreamPtr video,
44 const mojo::Callback<void(bool)>& callback) final; 45 const mojo::Callback<void(bool)>& callback) final;
45 void Flush(const mojo::Closure& callback) final; 46 void Flush(const mojo::Closure& callback) final;
46 void StartPlayingFrom(int64_t time_delta_usec) final; 47 void StartPlayingFrom(int64_t time_delta_usec) final;
47 void SetPlaybackRate(double playback_rate) final; 48 void SetPlaybackRate(double playback_rate) final;
48 void SetVolume(float volume) final; 49 void SetVolume(float volume) final;
49 void SetCdm(int32_t cdm_id, const mojo::Callback<void(bool)>& callback) final; 50 void SetCdm(int32_t cdm_id, const mojo::Callback<void(bool)>& callback) final;
50 51
51 private: 52 private:
52 enum State { 53 enum State {
53 STATE_UNINITIALIZED, 54 STATE_UNINITIALIZED,
54 STATE_INITIALIZING, 55 STATE_INITIALIZING,
55 STATE_FLUSHING, 56 STATE_FLUSHING,
56 STATE_PLAYING, 57 STATE_PLAYING,
57 STATE_ERROR 58 STATE_ERROR
58 }; 59 };
59 60
61 // RendererClient implementation.
62 void OnError(PipelineStatus status) final;
63 void OnEnded() final;
64 void OnStatisticsUpdate(const PipelineStatistics& stats) final;
65 void OnBufferingStateChange(BufferingState state) final;
66 void OnWaitingForDecryptionKey() final;
67
60 // Called when the DemuxerStreamProviderShim is ready to go (has a config, 68 // Called when the DemuxerStreamProviderShim is ready to go (has a config,
61 // pipe handle, etc) and can be handed off to a renderer for use. 69 // pipe handle, etc) and can be handed off to a renderer for use.
62 void OnStreamReady(const mojo::Callback<void(bool)>& callback); 70 void OnStreamReady(const mojo::Callback<void(bool)>& callback);
63 71
64 // Called when |audio_renderer_| initialization has completed. 72 // Called when |audio_renderer_| initialization has completed.
65 void OnRendererInitializeDone(const mojo::Callback<void(bool)>& callback, 73 void OnRendererInitializeDone(const mojo::Callback<void(bool)>& callback,
66 PipelineStatus status); 74 PipelineStatus status);
67 75
68 // Callback executed by filters to update statistics.
69 void OnUpdateStatistics(const PipelineStatistics& stats);
70
71 // Periodically polls the media time from the renderer and notifies the client 76 // Periodically polls the media time from the renderer and notifies the client
72 // if the media time has changed since the last update. If |force| is true, 77 // if the media time has changed since the last update. If |force| is true,
73 // the client is notified even if the time is unchanged. 78 // the client is notified even if the time is unchanged.
74 void UpdateMediaTime(bool force); 79 void UpdateMediaTime(bool force);
75 void CancelPeriodicMediaTimeUpdates(); 80 void CancelPeriodicMediaTimeUpdates();
76 void SchedulePeriodicMediaTimeUpdates(); 81 void SchedulePeriodicMediaTimeUpdates();
77 82
78 // Callback executed by audio renderer when buffering state changes.
79 // TODO(tim): Need old and new.
80 void OnBufferingStateChanged(BufferingState new_buffering_state);
81
82 // Callback executed when a renderer has ended.
83 void OnRendererEnded();
84
85 // Callback executed when a runtime error happens.
86 void OnError(PipelineStatus error);
87
88 // Callback executed once Flush() completes. 83 // Callback executed once Flush() completes.
89 void OnFlushCompleted(const mojo::Closure& callback); 84 void OnFlushCompleted(const mojo::Closure& callback);
90 85
91 // Callback executed once SetCdm() completes. 86 // Callback executed once SetCdm() completes.
92 void OnCdmAttached(scoped_refptr<MediaKeys> cdm, 87 void OnCdmAttached(scoped_refptr<MediaKeys> cdm,
93 const mojo::Callback<void(bool)>& callback, 88 const mojo::Callback<void(bool)>& callback,
94 bool success); 89 bool success);
95 90
96 mojo::StrongBinding<interfaces::Renderer> binding_; 91 mojo::StrongBinding<interfaces::Renderer> binding_;
97 92
(...skipping 19 matching lines...) Expand all
117 112
118 base::WeakPtr<MojoRendererService> weak_this_; 113 base::WeakPtr<MojoRendererService> weak_this_;
119 base::WeakPtrFactory<MojoRendererService> weak_factory_; 114 base::WeakPtrFactory<MojoRendererService> weak_factory_;
120 115
121 DISALLOW_COPY_AND_ASSIGN(MojoRendererService); 116 DISALLOW_COPY_AND_ASSIGN(MojoRendererService);
122 }; 117 };
123 118
124 } // namespace media 119 } // namespace media
125 120
126 #endif // MEDIA_MOJO_SERVICES_MOJO_RENDERER_SERVICE_H_ 121 #endif // MEDIA_MOJO_SERVICES_MOJO_RENDERER_SERVICE_H_
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