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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_AUDIO_RENDERER_MIXER_MANAGER_H_ | 5 #ifndef CONTENT_RENDERER_MEDIA_AUDIO_RENDERER_MIXER_MANAGER_H_ |
| 6 #define CONTENT_RENDERER_MEDIA_AUDIO_RENDERER_MIXER_MANAGER_H_ | 6 #define CONTENT_RENDERER_MEDIA_AUDIO_RENDERER_MIXER_MANAGER_H_ |
| 7 | 7 |
| 8 #include <map> | 8 #include <map> |
| 9 #include <string> | 9 #include <string> |
| 10 #include <utility> | 10 #include <utility> |
| 11 | 11 |
| 12 #include "base/macros.h" | 12 #include "base/macros.h" |
| 13 #include "base/synchronization/lock.h" | 13 #include "base/synchronization/lock.h" |
| 14 #include "content/common/content_export.h" | 14 #include "content/common/content_export.h" |
| 15 #include "media/audio/audio_manager_base.h" | 15 #include "media/audio/audio_device_description.h" |
| 16 #include "media/base/audio_parameters.h" | 16 #include "media/base/audio_parameters.h" |
| 17 #include "media/base/output_device_info.h" | 17 #include "media/base/output_device_info.h" |
| 18 #include "url/origin.h" | 18 #include "url/origin.h" |
| 19 | 19 |
| 20 namespace media { | 20 namespace media { |
| 21 class AudioHardwareConfig; | 21 class AudioHardwareConfig; |
| 22 class AudioRendererMixer; | 22 class AudioRendererMixer; |
| 23 class AudioRendererMixerInput; | 23 class AudioRendererMixerInput; |
| 24 class AudioRendererSink; | 24 class AudioRendererSink; |
| 25 } | 25 } |
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| 99 return a.source_render_frame_id < b.source_render_frame_id; | 99 return a.source_render_frame_id < b.source_render_frame_id; |
| 100 if (a.params.channels() != b.params.channels()) | 100 if (a.params.channels() != b.params.channels()) |
| 101 return a.params.channels() < b.params.channels(); | 101 return a.params.channels() < b.params.channels(); |
| 102 | 102 |
| 103 // Ignore effects(), bits_per_sample(), format(), and frames_per_buffer(), | 103 // Ignore effects(), bits_per_sample(), format(), and frames_per_buffer(), |
| 104 // these parameters do not affect mixer reuse. All AudioRendererMixer | 104 // these parameters do not affect mixer reuse. All AudioRendererMixer |
| 105 // units disable FIFO, so frames_per_buffer() can be safely ignored. | 105 // units disable FIFO, so frames_per_buffer() can be safely ignored. |
| 106 if (a.params.channel_layout() != b.params.channel_layout()) | 106 if (a.params.channel_layout() != b.params.channel_layout()) |
| 107 return a.params.channel_layout() < b.params.channel_layout(); | 107 return a.params.channel_layout() < b.params.channel_layout(); |
| 108 | 108 |
| 109 if (media::AudioManagerBase::IsDefaultDeviceId(a.device_id) && | 109 if (media::AudioDeviceDescription::IsDefaultDevice(a.device_id) && |
| 110 media::AudioManagerBase::IsDefaultDeviceId(b.device_id)) { | 110 media::AudioDeviceDescription::IsDefaultDevice(b.device_id)) { |
| 111 // Both device IDs represent the same default device => do not compare | 111 // Both device IDs represent the same default device => do not compare |
| 112 // them; the default device is always authorized => ignoring security | 112 // them; the default device is always authorized => ignoring security |
| 113 // origin. | 113 // origin. |
| 114 return false; | 114 return false; |
| 115 } | 115 } |
| 116 | 116 |
| 117 if (a.device_id != b.device_id) | 117 if (a.device_id != b.device_id) |
| 118 return a.device_id < b.device_id; | 118 return a.device_id < b.device_id; |
| 119 | 119 |
| 120 return a.security_origin < b.security_origin; | 120 return a.security_origin < b.security_origin; |
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| 134 // Active mixers. | 134 // Active mixers. |
| 135 AudioRendererMixerMap mixers_; | 135 AudioRendererMixerMap mixers_; |
| 136 base::Lock mixers_lock_; | 136 base::Lock mixers_lock_; |
| 137 | 137 |
| 138 DISALLOW_COPY_AND_ASSIGN(AudioRendererMixerManager); | 138 DISALLOW_COPY_AND_ASSIGN(AudioRendererMixerManager); |
| 139 }; | 139 }; |
| 140 | 140 |
| 141 } // namespace content | 141 } // namespace content |
| 142 | 142 |
| 143 #endif // CONTENT_RENDERER_MEDIA_AUDIO_RENDERER_MIXER_MANAGER_H_ | 143 #endif // CONTENT_RENDERER_MEDIA_AUDIO_RENDERER_MIXER_MANAGER_H_ |
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