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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 #include "content/renderer/media/renderer_webaudiodevice_impl.h" | 5 #include "content/renderer/media/renderer_webaudiodevice_impl.h" |
6 | 6 |
7 #include <stddef.h> | 7 #include <stddef.h> |
8 | 8 |
9 #include <string> | 9 #include <string> |
10 | 10 |
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58 break; | 58 break; |
59 case media::AudioLatency::LATENCY_RTC: | 59 case media::AudioLatency::LATENCY_RTC: |
60 return media::AudioLatency::GetRtcBufferSize( | 60 return media::AudioLatency::GetRtcBufferSize( |
61 hardware_params.sample_rate(), hardware_params.frames_per_buffer()); | 61 hardware_params.sample_rate(), hardware_params.frames_per_buffer()); |
62 break; | 62 break; |
63 case media::AudioLatency::LATENCY_PLAYBACK: | 63 case media::AudioLatency::LATENCY_PLAYBACK: |
64 return media::AudioLatency::GetHighLatencyBufferSize( | 64 return media::AudioLatency::GetHighLatencyBufferSize( |
65 hardware_params.sample_rate(), 0); | 65 hardware_params.sample_rate(), 0); |
66 break; | 66 break; |
67 case media::AudioLatency::LATENCY_EXACT_MS: | 67 case media::AudioLatency::LATENCY_EXACT_MS: |
68 // TODO(andrew.macpherson@soundtrap.com): http://crbug.com/708917 | 68 return media::AudioLatency::GetExactBufferSize( |
69 return std::min(4096, | 69 base::TimeDelta::FromSecondsD(latency_hint.Seconds()), |
70 media::AudioLatency::GetExactBufferSize( | 70 hardware_params.sample_rate(), hardware_params.frames_per_buffer()); |
71 base::TimeDelta::FromSecondsD(latency_hint.Seconds()), | |
72 hardware_params.sample_rate(), | |
73 hardware_params.frames_per_buffer())); | |
74 break; | 71 break; |
75 default: | 72 default: |
76 NOTREACHED(); | 73 NOTREACHED(); |
77 } | 74 } |
78 return 0; | 75 return 0; |
79 } | 76 } |
80 | 77 |
81 int FrameIdFromCurrentContext() { | 78 int FrameIdFromCurrentContext() { |
82 // Assumption: This method is being invoked within a V8 call stack. CHECKs | 79 // Assumption: This method is being invoked within a V8 call stack. CHECKs |
83 // will fail in the call to frameForCurrentContext() otherwise. | 80 // will fail in the call to frameForCurrentContext() otherwise. |
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241 const scoped_refptr<base::SingleThreadTaskRunner>& | 238 const scoped_refptr<base::SingleThreadTaskRunner>& |
242 RendererWebAudioDeviceImpl::GetMediaTaskRunner() { | 239 RendererWebAudioDeviceImpl::GetMediaTaskRunner() { |
243 if (!media_task_runner_) { | 240 if (!media_task_runner_) { |
244 media_task_runner_ = | 241 media_task_runner_ = |
245 RenderThreadImpl::current()->GetMediaThreadTaskRunner(); | 242 RenderThreadImpl::current()->GetMediaThreadTaskRunner(); |
246 } | 243 } |
247 return media_task_runner_; | 244 return media_task_runner_; |
248 } | 245 } |
249 | 246 |
250 } // namespace content | 247 } // namespace content |
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