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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/webrtc/processed_local_audio_source.h" | 5 #include "content/renderer/media/webrtc/processed_local_audio_source.h" |
| 6 | 6 |
| 7 #include <algorithm> | 7 #include <algorithm> |
| 8 #include <utility> | 8 #include <utility> |
| 9 | 9 |
| 10 #include "base/logging.h" | 10 #include "base/logging.h" |
| 11 #include "base/metrics/histogram_macros.h" | 11 #include "base/metrics/histogram_macros.h" |
| 12 #include "base/strings/stringprintf.h" | 12 #include "base/strings/stringprintf.h" |
| 13 #include "content/renderer/media/audio_device_factory.h" | 13 #include "content/renderer/media/audio_device_factory.h" |
| 14 #include "content/renderer/media/media_stream_audio_processor_options.h" | 14 #include "content/renderer/media/media_stream_audio_processor_options.h" |
| 15 #include "content/renderer/media/media_stream_constraints_util.h" | 15 #include "content/renderer/media/media_stream_constraints_util.h" |
| 16 #include "content/renderer/media/webrtc/peer_connection_dependency_factory.h" | 16 #include "content/renderer/media/webrtc/peer_connection_dependency_factory.h" |
| 17 #include "content/renderer/media/webrtc_audio_device_impl.h" | 17 #include "content/renderer/media/webrtc_audio_device_impl.h" |
| 18 #include "content/renderer/media/webrtc_logging.h" | 18 #include "content/renderer/media/webrtc_logging.h" |
| 19 #include "content/renderer/render_frame_impl.h" | 19 #include "content/renderer/render_frame_impl.h" |
| 20 #include "media/audio/sample_rates.h" | 20 #include "media/audio/sample_rates.h" |
| 21 #include "media/base/channel_layout.h" | 21 #include "media/base/channel_layout.h" |
| 22 #include "third_party/webrtc/api/mediaconstraintsinterface.h" | 22 #include "third_party/webrtc/api/mediaconstraintsinterface.h" |
| 23 #include "third_party/webrtc/media/base/mediachannel.h" | 23 #include "third_party/webrtc/media/base/mediachannel.h" |
| 24 | 24 |
| 25 namespace content { | 25 namespace content { |
| 26 | 26 |
| 27 namespace { | 27 namespace { |
| 28 // Used as an identifier for ProcessedLocalAudioSource::From(). | 28 // Used as an identifier for ProcessedLocalAudioSource::From(). |
| 29 void* const kClassIdentifier = const_cast<void**>(&kClassIdentifier); | 29 void* const kPLASClassIdentifier = const_cast<void**>(&kPLASClassIdentifier); |
| 30 } // namespace | 30 } // namespace |
| 31 | 31 |
| 32 ProcessedLocalAudioSource::ProcessedLocalAudioSource( | 32 ProcessedLocalAudioSource::ProcessedLocalAudioSource( |
| 33 int consumer_render_frame_id, | 33 int consumer_render_frame_id, |
| 34 const StreamDeviceInfo& device_info, | 34 const StreamDeviceInfo& device_info, |
| 35 const AudioProcessingProperties& audio_processing_properties, | 35 const AudioProcessingProperties& audio_processing_properties, |
| 36 const ConstraintsCallback& started_callback, | 36 const ConstraintsCallback& started_callback, |
| 37 PeerConnectionDependencyFactory* factory) | 37 PeerConnectionDependencyFactory* factory) |
| 38 : MediaStreamAudioSource(true /* is_local_source */), | 38 : MediaStreamAudioSource(true /* is_local_source */), |
| 39 consumer_render_frame_id_(consumer_render_frame_id), | 39 consumer_render_frame_id_(consumer_render_frame_id), |
| 40 pc_factory_(factory), | 40 pc_factory_(factory), |
| 41 audio_processing_properties_(audio_processing_properties), | 41 audio_processing_properties_(audio_processing_properties), |
| 42 started_callback_(started_callback), | 42 started_callback_(started_callback), |
| 43 volume_(0), | 43 volume_(0), |
| 44 allow_invalid_render_frame_id_for_testing_(false) { | 44 allow_invalid_render_frame_id_for_testing_(false) { |
| 45 DCHECK(pc_factory_); | 45 DCHECK(pc_factory_); |
| 46 DVLOG(1) << "ProcessedLocalAudioSource::ProcessedLocalAudioSource()"; | 46 DVLOG(1) << "ProcessedLocalAudioSource::ProcessedLocalAudioSource()"; |
| 47 MediaStreamSource::SetDeviceInfo(device_info); | 47 MediaStreamSource::SetDeviceInfo(device_info); |
| 48 } | 48 } |
| 49 | 49 |
| 50 ProcessedLocalAudioSource::~ProcessedLocalAudioSource() { | 50 ProcessedLocalAudioSource::~ProcessedLocalAudioSource() { |
| 51 DVLOG(1) << "ProcessedLocalAudioSource::~ProcessedLocalAudioSource()"; | 51 DVLOG(1) << "ProcessedLocalAudioSource::~ProcessedLocalAudioSource()"; |
| 52 EnsureSourceIsStopped(); | 52 EnsureSourceIsStopped(); |
| 53 } | 53 } |
| 54 | 54 |
| 55 // static | 55 // static |
| 56 ProcessedLocalAudioSource* ProcessedLocalAudioSource::From( | 56 ProcessedLocalAudioSource* ProcessedLocalAudioSource::From( |
| 57 MediaStreamAudioSource* source) { | 57 MediaStreamAudioSource* source) { |
| 58 if (source && source->GetClassIdentifier() == kClassIdentifier) | 58 if (source && source->GetClassIdentifier() == kPLASClassIdentifier) |
| 59 return static_cast<ProcessedLocalAudioSource*>(source); | 59 return static_cast<ProcessedLocalAudioSource*>(source); |
| 60 return nullptr; | 60 return nullptr; |
| 61 } | 61 } |
| 62 | 62 |
| 63 void* ProcessedLocalAudioSource::GetClassIdentifier() const { | 63 void* ProcessedLocalAudioSource::GetClassIdentifier() const { |
| 64 return kClassIdentifier; | 64 return kPLASClassIdentifier; |
| 65 } | 65 } |
| 66 | 66 |
| 67 bool ProcessedLocalAudioSource::EnsureSourceIsStarted() { | 67 bool ProcessedLocalAudioSource::EnsureSourceIsStarted() { |
| 68 DCHECK(thread_checker_.CalledOnValidThread()); | 68 DCHECK(thread_checker_.CalledOnValidThread()); |
| 69 | 69 |
| 70 { | 70 { |
| 71 base::AutoLock auto_lock(source_lock_); | 71 base::AutoLock auto_lock(source_lock_); |
| 72 if (source_) | 72 if (source_) |
| 73 return true; | 73 return true; |
| 74 } | 74 } |
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| 361 | 361 |
| 362 // If the buffer size is missing from the StreamDeviceInfo, provide 10ms as a | 362 // If the buffer size is missing from the StreamDeviceInfo, provide 10ms as a |
| 363 // fall-back. | 363 // fall-back. |
| 364 // | 364 // |
| 365 // TODO(miu): Identify where/why the buffer size might be missing, fix the | 365 // TODO(miu): Identify where/why the buffer size might be missing, fix the |
| 366 // code, and then require it here. http://crbug.com/638081 | 366 // code, and then require it here. http://crbug.com/638081 |
| 367 return (sample_rate / 100); | 367 return (sample_rate / 100); |
| 368 } | 368 } |
| 369 | 369 |
| 370 } // namespace content | 370 } // namespace content |
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