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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 "media/audio/pulse/audio_manager_pulse.h" | 5 #include "media/audio/pulse/audio_manager_pulse.h" |
6 | 6 |
7 #include "base/command_line.h" | 7 #include "base/command_line.h" |
8 #include "base/environment.h" | 8 #include "base/environment.h" |
9 #include "base/files/file_path.h" | 9 #include "base/files/file_path.h" |
10 #include "base/logging.h" | 10 #include "base/logging.h" |
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167 } | 167 } |
168 | 168 |
169 AudioInputStream* AudioManagerPulse::MakeLowLatencyInputStream( | 169 AudioInputStream* AudioManagerPulse::MakeLowLatencyInputStream( |
170 const AudioParameters& params, | 170 const AudioParameters& params, |
171 const std::string& device_id, | 171 const std::string& device_id, |
172 const LogCallback& log_callback) { | 172 const LogCallback& log_callback) { |
173 DCHECK_EQ(AudioParameters::AUDIO_PCM_LOW_LATENCY, params.format()); | 173 DCHECK_EQ(AudioParameters::AUDIO_PCM_LOW_LATENCY, params.format()); |
174 return MakeInputStream(params, device_id); | 174 return MakeInputStream(params, device_id); |
175 } | 175 } |
176 | 176 |
| 177 std::string AudioManagerPulse::GetDefaultOutputDeviceID() { |
| 178 return pulse::GetRealDefaultDeviceId(input_mainloop_, input_context_, |
| 179 pulse::RequestType::OUTPUT); |
| 180 } |
| 181 |
| 182 std::string AudioManagerPulse::GetAssociatedOutputDeviceID( |
| 183 const std::string& input_device_id) { |
| 184 DCHECK(AudioManager::Get()->GetTaskRunner()->BelongsToCurrentThread()); |
| 185 DCHECK(input_mainloop_); |
| 186 DCHECK(input_context_); |
| 187 std::string input = |
| 188 (input_device_id == AudioDeviceDescription::kDefaultDeviceId) |
| 189 ? pulse::GetRealDefaultDeviceId(input_mainloop_, input_context_, |
| 190 pulse::RequestType::INPUT) |
| 191 : input_device_id; |
| 192 |
| 193 std::string input_bus = |
| 194 pulse::GetBusOfInput(input_mainloop_, input_context_, input); |
| 195 return input_bus.empty() ? "" |
| 196 : pulse::GetOutputCorrespondingTo( |
| 197 input_mainloop_, input_context_, input_bus); |
| 198 } |
| 199 |
177 AudioParameters AudioManagerPulse::GetPreferredOutputStreamParameters( | 200 AudioParameters AudioManagerPulse::GetPreferredOutputStreamParameters( |
178 const std::string& output_device_id, | 201 const std::string& output_device_id, |
179 const AudioParameters& input_params) { | 202 const AudioParameters& input_params) { |
180 // TODO(tommi): Support |output_device_id|. | 203 // TODO(tommi): Support |output_device_id|. |
181 VLOG_IF(0, !output_device_id.empty()) << "Not implemented!"; | 204 VLOG_IF(0, !output_device_id.empty()) << "Not implemented!"; |
182 | 205 |
183 ChannelLayout channel_layout = CHANNEL_LAYOUT_STEREO; | 206 ChannelLayout channel_layout = CHANNEL_LAYOUT_STEREO; |
184 int buffer_size = kMinimumOutputBufferSize; | 207 int buffer_size = kMinimumOutputBufferSize; |
185 int bits_per_sample = 16; | 208 int bits_per_sample = 16; |
186 int sample_rate = GetNativeSampleRate(); | 209 int sample_rate = GetNativeSampleRate(); |
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339 void AudioManagerPulse::SampleRateInfoCallback(pa_context* context, | 362 void AudioManagerPulse::SampleRateInfoCallback(pa_context* context, |
340 const pa_server_info* info, | 363 const pa_server_info* info, |
341 void* user_data) { | 364 void* user_data) { |
342 AudioManagerPulse* manager = reinterpret_cast<AudioManagerPulse*>(user_data); | 365 AudioManagerPulse* manager = reinterpret_cast<AudioManagerPulse*>(user_data); |
343 | 366 |
344 manager->native_input_sample_rate_ = info->sample_spec.rate; | 367 manager->native_input_sample_rate_ = info->sample_spec.rate; |
345 pa_threaded_mainloop_signal(manager->input_mainloop_, 0); | 368 pa_threaded_mainloop_signal(manager->input_mainloop_, 0); |
346 } | 369 } |
347 | 370 |
348 } // namespace media | 371 } // namespace media |
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