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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 CONTENT_RENDERER_MEDIA_RENDERER_WEBAUDIODEVICE_IMPL_H_ | 5 #ifndef CONTENT_RENDERER_MEDIA_RENDERER_WEBAUDIODEVICE_IMPL_H_ |
6 #define CONTENT_RENDERER_MEDIA_RENDERER_WEBAUDIODEVICE_IMPL_H_ | 6 #define CONTENT_RENDERER_MEDIA_RENDERER_WEBAUDIODEVICE_IMPL_H_ |
7 | 7 |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 | 9 |
10 #include "base/macros.h" | 10 #include "base/macros.h" |
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28 | 28 |
29 namespace content { | 29 namespace content { |
30 class CONTENT_EXPORT RendererWebAudioDeviceImpl | 30 class CONTENT_EXPORT RendererWebAudioDeviceImpl |
31 : NON_EXPORTED_BASE(public blink::WebAudioDevice), | 31 : NON_EXPORTED_BASE(public blink::WebAudioDevice), |
32 NON_EXPORTED_BASE(public media::AudioRendererSink::RenderCallback) { | 32 NON_EXPORTED_BASE(public media::AudioRendererSink::RenderCallback) { |
33 public: | 33 public: |
34 ~RendererWebAudioDeviceImpl() override; | 34 ~RendererWebAudioDeviceImpl() override; |
35 | 35 |
36 static RendererWebAudioDeviceImpl* Create( | 36 static RendererWebAudioDeviceImpl* Create( |
37 media::ChannelLayout layout, | 37 media::ChannelLayout layout, |
| 38 int channels, |
38 const blink::WebAudioLatencyHint& latency_hint, | 39 const blink::WebAudioLatencyHint& latency_hint, |
39 blink::WebAudioDevice::RenderCallback* callback, | 40 blink::WebAudioDevice::RenderCallback* callback, |
40 int session_id, | 41 int session_id, |
41 const url::Origin& security_origin); | 42 const url::Origin& security_origin); |
42 | 43 |
43 // blink::WebAudioDevice implementation. | 44 // blink::WebAudioDevice implementation. |
44 void start() override; | 45 void start() override; |
45 void stop() override; | 46 void stop() override; |
46 double sampleRate() override; | 47 double sampleRate() override; |
47 int framesPerBuffer() override; | 48 int framesPerBuffer() override; |
48 | 49 |
49 // AudioRendererSink::RenderCallback implementation. | 50 // AudioRendererSink::RenderCallback implementation. |
50 int Render(base::TimeDelta delay, | 51 int Render(base::TimeDelta delay, |
51 base::TimeTicks delay_timestamp, | 52 base::TimeTicks delay_timestamp, |
52 int prior_frames_skipped, | 53 int prior_frames_skipped, |
53 media::AudioBus* dest) override; | 54 media::AudioBus* dest) override; |
54 | 55 |
55 void OnRenderError() override; | 56 void OnRenderError() override; |
56 | 57 |
57 void SetMediaTaskRunnerForTesting( | 58 void SetMediaTaskRunnerForTesting( |
58 const scoped_refptr<base::SingleThreadTaskRunner>& media_task_runner); | 59 const scoped_refptr<base::SingleThreadTaskRunner>& media_task_runner); |
59 | 60 |
| 61 const media::AudioParameters& get_sink_params_for_testing() { |
| 62 return sink_params_; |
| 63 } |
| 64 |
60 protected: | 65 protected: |
61 // Callback to get output device params (for tests). | 66 // Callback to get output device params (for tests). |
62 using OutputDeviceParamsCallback = base::Callback<media::AudioParameters( | 67 using OutputDeviceParamsCallback = base::Callback<media::AudioParameters( |
63 int frame_id, | 68 int frame_id, |
64 int session_id, | 69 int session_id, |
65 const std::string& device_id, | 70 const std::string& device_id, |
66 const url::Origin& security_origin)>; | 71 const url::Origin& security_origin)>; |
67 | 72 |
68 // Callback get render frame ID for current context (for tests). | 73 // Callback get render frame ID for current context (for tests). |
69 using RenderFrameIdCallback = base::Callback<int()>; | 74 using RenderFrameIdCallback = base::Callback<int()>; |
70 | 75 |
71 RendererWebAudioDeviceImpl(media::ChannelLayout layout, | 76 RendererWebAudioDeviceImpl(media::ChannelLayout layout, |
| 77 int channels, |
72 const blink::WebAudioLatencyHint& latency_hint, | 78 const blink::WebAudioLatencyHint& latency_hint, |
73 blink::WebAudioDevice::RenderCallback* callback, | 79 blink::WebAudioDevice::RenderCallback* callback, |
74 int session_id, | 80 int session_id, |
75 const url::Origin& security_origin, | 81 const url::Origin& security_origin, |
76 const OutputDeviceParamsCallback& device_params_cb, | 82 const OutputDeviceParamsCallback& device_params_cb, |
77 const RenderFrameIdCallback& render_frame_id_cb); | 83 const RenderFrameIdCallback& render_frame_id_cb); |
78 | 84 |
79 private: | 85 private: |
80 const scoped_refptr<base::SingleThreadTaskRunner>& GetMediaTaskRunner(); | 86 const scoped_refptr<base::SingleThreadTaskRunner>& GetMediaTaskRunner(); |
81 | 87 |
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107 | 113 |
108 // Allow unit tests to set a custom MediaThreadTaskRunner. | 114 // Allow unit tests to set a custom MediaThreadTaskRunner. |
109 scoped_refptr<base::SingleThreadTaskRunner> media_task_runner_; | 115 scoped_refptr<base::SingleThreadTaskRunner> media_task_runner_; |
110 | 116 |
111 DISALLOW_COPY_AND_ASSIGN(RendererWebAudioDeviceImpl); | 117 DISALLOW_COPY_AND_ASSIGN(RendererWebAudioDeviceImpl); |
112 }; | 118 }; |
113 | 119 |
114 } // namespace content | 120 } // namespace content |
115 | 121 |
116 #endif // CONTENT_RENDERER_MEDIA_RENDERER_WEBAUDIODEVICE_IMPL_H_ | 122 #endif // CONTENT_RENDERER_MEDIA_RENDERER_WEBAUDIODEVICE_IMPL_H_ |
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