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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 "chromecast/media/audio/cast_audio_manager.h" | 5 #include "chromecast/media/audio/cast_audio_manager.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "chromecast/media/audio/cast_audio_output_stream.h" | 10 #include "chromecast/media/audio/cast_audio_output_stream.h" |
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66 ::media::CHANNEL_LAYOUT_STEREO, 48000, 16, 1024); | 66 ::media::CHANNEL_LAYOUT_STEREO, 48000, 16, 1024); |
67 } | 67 } |
68 | 68 |
69 std::unique_ptr<MediaPipelineBackend> | 69 std::unique_ptr<MediaPipelineBackend> |
70 CastAudioManager::CreateMediaPipelineBackend( | 70 CastAudioManager::CreateMediaPipelineBackend( |
71 const MediaPipelineDeviceParams& params) { | 71 const MediaPipelineDeviceParams& params) { |
72 return backend_manager_->CreateMediaPipelineBackend(params); | 72 return backend_manager_->CreateMediaPipelineBackend(params); |
73 } | 73 } |
74 | 74 |
75 ::media::AudioOutputStream* CastAudioManager::MakeLinearOutputStream( | 75 ::media::AudioOutputStream* CastAudioManager::MakeLinearOutputStream( |
76 const ::media::AudioParameters& params, | 76 const ::media::AudioParameters& params) { |
77 const ::media::AudioManager::LogCallback& log_callback) { | |
78 DCHECK_EQ(::media::AudioParameters::AUDIO_PCM_LINEAR, params.format()); | 77 DCHECK_EQ(::media::AudioParameters::AUDIO_PCM_LINEAR, params.format()); |
79 return new CastAudioOutputStream(params, this); | 78 return new CastAudioOutputStream(params, this); |
80 } | 79 } |
81 | 80 |
82 ::media::AudioOutputStream* CastAudioManager::MakeLowLatencyOutputStream( | 81 ::media::AudioOutputStream* CastAudioManager::MakeLowLatencyOutputStream( |
83 const ::media::AudioParameters& params, | 82 const ::media::AudioParameters& params, |
84 const std::string& device_id, | 83 const std::string& device_id) { |
85 const ::media::AudioManager::LogCallback& log_callback) { | |
86 DCHECK_EQ(::media::AudioParameters::AUDIO_PCM_LOW_LATENCY, params.format()); | 84 DCHECK_EQ(::media::AudioParameters::AUDIO_PCM_LOW_LATENCY, params.format()); |
87 return new CastAudioOutputStream(params, this); | 85 return new CastAudioOutputStream(params, this); |
88 } | 86 } |
89 | 87 |
90 ::media::AudioInputStream* CastAudioManager::MakeLinearInputStream( | 88 ::media::AudioInputStream* CastAudioManager::MakeLinearInputStream( |
91 const ::media::AudioParameters& params, | 89 const ::media::AudioParameters& params, |
92 const std::string& device_id, | 90 const std::string& device_id) { |
93 const ::media::AudioManager::LogCallback& log_callback) { | |
94 LOG(WARNING) << "No support for input audio devices"; | 91 LOG(WARNING) << "No support for input audio devices"; |
95 return nullptr; | 92 return nullptr; |
96 } | 93 } |
97 | 94 |
98 ::media::AudioInputStream* CastAudioManager::MakeLowLatencyInputStream( | 95 ::media::AudioInputStream* CastAudioManager::MakeLowLatencyInputStream( |
99 const ::media::AudioParameters& params, | 96 const ::media::AudioParameters& params, |
100 const std::string& device_id, | 97 const std::string& device_id) { |
101 const ::media::AudioManager::LogCallback& log_callback) { | |
102 LOG(WARNING) << "No support for input audio devices"; | 98 LOG(WARNING) << "No support for input audio devices"; |
103 return nullptr; | 99 return nullptr; |
104 } | 100 } |
105 | 101 |
106 ::media::AudioParameters CastAudioManager::GetPreferredOutputStreamParameters( | 102 ::media::AudioParameters CastAudioManager::GetPreferredOutputStreamParameters( |
107 const std::string& output_device_id, | 103 const std::string& output_device_id, |
108 const ::media::AudioParameters& input_params) { | 104 const ::media::AudioParameters& input_params) { |
109 ::media::ChannelLayout channel_layout = ::media::CHANNEL_LAYOUT_STEREO; | 105 ::media::ChannelLayout channel_layout = ::media::CHANNEL_LAYOUT_STEREO; |
110 int sample_rate = kDefaultSampleRate; | 106 int sample_rate = kDefaultSampleRate; |
111 int buffer_size = kDefaultOutputBufferSize; | 107 int buffer_size = kDefaultOutputBufferSize; |
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122 } | 118 } |
123 | 119 |
124 ::media::AudioParameters output_params( | 120 ::media::AudioParameters output_params( |
125 ::media::AudioParameters::AUDIO_PCM_LOW_LATENCY, channel_layout, | 121 ::media::AudioParameters::AUDIO_PCM_LOW_LATENCY, channel_layout, |
126 sample_rate, bits_per_sample, buffer_size); | 122 sample_rate, bits_per_sample, buffer_size); |
127 return output_params; | 123 return output_params; |
128 } | 124 } |
129 | 125 |
130 } // namespace media | 126 } // namespace media |
131 } // namespace chromecast | 127 } // namespace chromecast |
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