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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 "base/logging.h" | 7 #include "base/logging.h" |
8 #include "base/metrics/histogram_macros.h" | 8 #include "base/metrics/histogram_macros.h" |
9 #include "base/strings/stringprintf.h" | 9 #include "base/strings/stringprintf.h" |
10 #include "content/renderer/media/audio_device_factory.h" | 10 #include "content/renderer/media/audio_device_factory.h" |
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22 namespace content { | 22 namespace content { |
23 | 23 |
24 namespace { | 24 namespace { |
25 // Used as an identifier for ProcessedLocalAudioSource::From(). | 25 // Used as an identifier for ProcessedLocalAudioSource::From(). |
26 void* const kClassIdentifier = const_cast<void**>(&kClassIdentifier); | 26 void* const kClassIdentifier = const_cast<void**>(&kClassIdentifier); |
27 } // namespace | 27 } // namespace |
28 | 28 |
29 ProcessedLocalAudioSource::ProcessedLocalAudioSource( | 29 ProcessedLocalAudioSource::ProcessedLocalAudioSource( |
30 int consumer_render_frame_id, | 30 int consumer_render_frame_id, |
31 const StreamDeviceInfo& device_info, | 31 const StreamDeviceInfo& device_info, |
| 32 const blink::WebMediaConstraints& constraints, |
| 33 const ConstraintsCallback& started_callback, |
32 PeerConnectionDependencyFactory* factory) | 34 PeerConnectionDependencyFactory* factory) |
33 : MediaStreamAudioSource(true /* is_local_source */), | 35 : MediaStreamAudioSource(true /* is_local_source */), |
34 consumer_render_frame_id_(consumer_render_frame_id), | 36 consumer_render_frame_id_(consumer_render_frame_id), |
35 pc_factory_(factory), | 37 pc_factory_(factory), |
| 38 constraints_(constraints), |
| 39 started_callback_(started_callback), |
36 volume_(0), | 40 volume_(0), |
37 allow_invalid_render_frame_id_for_testing_(false) { | 41 allow_invalid_render_frame_id_for_testing_(false) { |
38 DCHECK(pc_factory_); | 42 DCHECK(pc_factory_); |
39 DVLOG(1) << "ProcessedLocalAudioSource::ProcessedLocalAudioSource()"; | 43 DVLOG(1) << "ProcessedLocalAudioSource::ProcessedLocalAudioSource()"; |
40 MediaStreamSource::SetDeviceInfo(device_info); | 44 MediaStreamSource::SetDeviceInfo(device_info); |
41 } | 45 } |
42 | 46 |
43 ProcessedLocalAudioSource::~ProcessedLocalAudioSource() { | 47 ProcessedLocalAudioSource::~ProcessedLocalAudioSource() { |
44 DVLOG(1) << "ProcessedLocalAudioSource::~ProcessedLocalAudioSource()"; | 48 DVLOG(1) << "ProcessedLocalAudioSource::~ProcessedLocalAudioSource()"; |
45 EnsureSourceIsStopped(); | 49 EnsureSourceIsStopped(); |
46 } | 50 } |
47 | 51 |
48 // static | 52 // static |
49 ProcessedLocalAudioSource* ProcessedLocalAudioSource::From( | 53 ProcessedLocalAudioSource* ProcessedLocalAudioSource::From( |
50 MediaStreamAudioSource* source) { | 54 MediaStreamAudioSource* source) { |
51 if (source && source->GetClassIdentifier() == kClassIdentifier) | 55 if (source && source->GetClassIdentifier() == kClassIdentifier) |
52 return static_cast<ProcessedLocalAudioSource*>(source); | 56 return static_cast<ProcessedLocalAudioSource*>(source); |
53 return nullptr; | 57 return nullptr; |
54 } | 58 } |
55 | 59 |
56 void ProcessedLocalAudioSource::SetSourceConstraints( | |
57 const blink::WebMediaConstraints& constraints) { | |
58 DCHECK(thread_checker_.CalledOnValidThread()); | |
59 DCHECK(!constraints.isNull()); | |
60 DCHECK(!source_); | |
61 constraints_ = constraints; | |
62 } | |
63 | |
64 void* ProcessedLocalAudioSource::GetClassIdentifier() const { | 60 void* ProcessedLocalAudioSource::GetClassIdentifier() const { |
65 return kClassIdentifier; | 61 return kClassIdentifier; |
66 } | 62 } |
67 | 63 |
68 bool ProcessedLocalAudioSource::EnsureSourceIsStarted() { | 64 bool ProcessedLocalAudioSource::EnsureSourceIsStarted() { |
69 DCHECK(thread_checker_.CalledOnValidThread()); | 65 DCHECK(thread_checker_.CalledOnValidThread()); |
70 | 66 |
71 { | 67 { |
72 base::AutoLock auto_lock(source_lock_); | 68 base::AutoLock auto_lock(source_lock_); |
73 if (source_) | 69 if (source_) |
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256 int ProcessedLocalAudioSource::Volume() const { | 252 int ProcessedLocalAudioSource::Volume() const { |
257 // Note: Using NoBarrier_Load() because the timing of visibility of the | 253 // Note: Using NoBarrier_Load() because the timing of visibility of the |
258 // updated volume information on other threads can be relaxed. | 254 // updated volume information on other threads can be relaxed. |
259 return base::subtle::NoBarrier_Load(&volume_); | 255 return base::subtle::NoBarrier_Load(&volume_); |
260 } | 256 } |
261 | 257 |
262 int ProcessedLocalAudioSource::MaxVolume() const { | 258 int ProcessedLocalAudioSource::MaxVolume() const { |
263 return WebRtcAudioDeviceImpl::kMaxVolumeLevel; | 259 return WebRtcAudioDeviceImpl::kMaxVolumeLevel; |
264 } | 260 } |
265 | 261 |
| 262 void ProcessedLocalAudioSource::OnCaptureStarted() { |
| 263 started_callback_.Run(this, MEDIA_DEVICE_OK, ""); |
| 264 } |
| 265 |
266 void ProcessedLocalAudioSource::Capture(const media::AudioBus* audio_bus, | 266 void ProcessedLocalAudioSource::Capture(const media::AudioBus* audio_bus, |
267 int audio_delay_milliseconds, | 267 int audio_delay_milliseconds, |
268 double volume, | 268 double volume, |
269 bool key_pressed) { | 269 bool key_pressed) { |
270 #if defined(OS_WIN) || defined(OS_MACOSX) | 270 #if defined(OS_WIN) || defined(OS_MACOSX) |
271 DCHECK_LE(volume, 1.0); | 271 DCHECK_LE(volume, 1.0); |
272 #elif (defined(OS_LINUX) && !defined(OS_CHROMEOS)) || defined(OS_OPENBSD) | 272 #elif (defined(OS_LINUX) && !defined(OS_CHROMEOS)) || defined(OS_OPENBSD) |
273 // We have a special situation on Linux where the microphone volume can be | 273 // We have a special situation on Linux where the microphone volume can be |
274 // "higher than maximum". The input volume slider in the sound preference | 274 // "higher than maximum". The input volume slider in the sound preference |
275 // allows the user to set a scaling that is higher than 100%. It means that | 275 // allows the user to set a scaling that is higher than 100%. It means that |
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367 | 367 |
368 // If the buffer size is missing from the StreamDeviceInfo, provide 10ms as a | 368 // If the buffer size is missing from the StreamDeviceInfo, provide 10ms as a |
369 // fall-back. | 369 // fall-back. |
370 // | 370 // |
371 // TODO(miu): Identify where/why the buffer size might be missing, fix the | 371 // TODO(miu): Identify where/why the buffer size might be missing, fix the |
372 // code, and then require it here. http://crbug.com/638081 | 372 // code, and then require it here. http://crbug.com/638081 |
373 return (sample_rate / 100); | 373 return (sample_rate / 100); |
374 } | 374 } |
375 | 375 |
376 } // namespace content | 376 } // namespace content |
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