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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/pepper/pepper_platform_audio_output_impl.h" | 5 #include "content/renderer/pepper/pepper_platform_audio_output_impl.h" |
| 6 | 6 |
| 7 #include "base/bind.h" | 7 #include "base/bind.h" |
| 8 #include "base/command_line.h" | 8 #include "base/command_line.h" |
| 9 #include "base/logging.h" | 9 #include "base/logging.h" |
| 10 #include "base/message_loop_proxy.h" | 10 #include "base/message_loop_proxy.h" |
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| 132 } else if (sample_rate == audio_hardware::GetOutputSampleRate() && | 132 } else if (sample_rate == audio_hardware::GetOutputSampleRate() && |
| 133 frames_per_buffer <= kMaxFramesForLowLatency && | 133 frames_per_buffer <= kMaxFramesForLowLatency && |
| 134 frames_per_buffer % audio_hardware::GetOutputBufferSize() == 0) { | 134 frames_per_buffer % audio_hardware::GetOutputBufferSize() == 0) { |
| 135 // Use the low latency back end if the client request is compatible, and | 135 // Use the low latency back end if the client request is compatible, and |
| 136 // the sample count is low enough to justify using AUDIO_PCM_LOW_LATENCY. | 136 // the sample count is low enough to justify using AUDIO_PCM_LOW_LATENCY. |
| 137 format = media::AudioParameters::AUDIO_PCM_LOW_LATENCY; | 137 format = media::AudioParameters::AUDIO_PCM_LOW_LATENCY; |
| 138 } else { | 138 } else { |
| 139 format = media::AudioParameters::AUDIO_PCM_LINEAR; | 139 format = media::AudioParameters::AUDIO_PCM_LINEAR; |
| 140 } | 140 } |
| 141 | 141 |
| 142 media::AudioParameters params(format, CHANNEL_LAYOUT_STEREO, sample_rate, 16, | 142 media::AudioParameters params(format, media::CHANNEL_LAYOUT_STEREO, |
| 143 frames_per_buffer); | 143 sample_rate, 16, frames_per_buffer); |
| 144 | 144 |
| 145 ChildProcess::current()->io_message_loop()->PostTask( | 145 ChildProcess::current()->io_message_loop()->PostTask( |
| 146 FROM_HERE, | 146 FROM_HERE, |
| 147 base::Bind(&PepperPlatformAudioOutputImpl::InitializeOnIOThread, | 147 base::Bind(&PepperPlatformAudioOutputImpl::InitializeOnIOThread, |
| 148 this, params)); | 148 this, params)); |
| 149 return true; | 149 return true; |
| 150 } | 150 } |
| 151 | 151 |
| 152 void PepperPlatformAudioOutputImpl::InitializeOnIOThread( | 152 void PepperPlatformAudioOutputImpl::InitializeOnIOThread( |
| 153 const media::AudioParameters& params) { | 153 const media::AudioParameters& params) { |
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| 172 | 172 |
| 173 ipc_->CloseStream(stream_id_); | 173 ipc_->CloseStream(stream_id_); |
| 174 ipc_->RemoveDelegate(stream_id_); | 174 ipc_->RemoveDelegate(stream_id_); |
| 175 stream_id_ = 0; | 175 stream_id_ = 0; |
| 176 | 176 |
| 177 Release(); // Release for the delegate, balances out the reference taken in | 177 Release(); // Release for the delegate, balances out the reference taken in |
| 178 // PepperPluginDelegateImpl::CreateAudio. | 178 // PepperPluginDelegateImpl::CreateAudio. |
| 179 } | 179 } |
| 180 | 180 |
| 181 } // namespace content | 181 } // namespace content |
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