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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 "content/renderer/media/webrtc_audio_device_impl.h" | 5 #include "content/renderer/media/webrtc_audio_device_impl.h" |
6 | 6 |
7 #include "base/bind.h" | 7 #include "base/bind.h" |
8 #include "base/metrics/histogram.h" | 8 #include "base/metrics/histogram.h" |
| 9 #include "base/platform_file.h" |
9 #include "base/strings/string_util.h" | 10 #include "base/strings/string_util.h" |
10 #include "base/win/windows_version.h" | 11 #include "base/win/windows_version.h" |
11 #include "content/renderer/media/webrtc_audio_capturer.h" | 12 #include "content/renderer/media/webrtc_audio_capturer.h" |
12 #include "content/renderer/media/webrtc_audio_renderer.h" | 13 #include "content/renderer/media/webrtc_audio_renderer.h" |
13 #include "content/renderer/render_thread_impl.h" | 14 #include "content/renderer/render_thread_impl.h" |
14 #include "media/audio/audio_parameters.h" | 15 #include "media/audio/audio_parameters.h" |
15 #include "media/audio/sample_rates.h" | 16 #include "media/audio/sample_rates.h" |
16 | 17 |
17 using media::AudioParameters; | 18 using media::AudioParameters; |
18 using media::ChannelLayout; | 19 using media::ChannelLayout; |
19 | 20 |
20 namespace content { | 21 namespace content { |
21 | 22 |
22 WebRtcAudioDeviceImpl::WebRtcAudioDeviceImpl() | 23 WebRtcAudioDeviceImpl::WebRtcAudioDeviceImpl() |
23 : ref_count_(0), | 24 : ref_count_(0), |
24 audio_transport_callback_(NULL), | 25 audio_transport_callback_(NULL), |
25 input_delay_ms_(0), | 26 input_delay_ms_(0), |
26 output_delay_ms_(0), | 27 output_delay_ms_(0), |
27 initialized_(false), | 28 initialized_(false), |
28 playing_(false), | 29 playing_(false), |
29 recording_(false), | 30 recording_(false), |
30 microphone_volume_(0) { | 31 microphone_volume_(0), |
| 32 aec_dump_file_(base::kInvalidPlatformFileValue) { |
31 DVLOG(1) << "WebRtcAudioDeviceImpl::WebRtcAudioDeviceImpl()"; | 33 DVLOG(1) << "WebRtcAudioDeviceImpl::WebRtcAudioDeviceImpl()"; |
32 } | 34 } |
33 | 35 |
34 WebRtcAudioDeviceImpl::~WebRtcAudioDeviceImpl() { | 36 WebRtcAudioDeviceImpl::~WebRtcAudioDeviceImpl() { |
35 DVLOG(1) << "WebRtcAudioDeviceImpl::~WebRtcAudioDeviceImpl()"; | 37 DVLOG(1) << "WebRtcAudioDeviceImpl::~WebRtcAudioDeviceImpl()"; |
36 DCHECK(thread_checker_.CalledOnValidThread()); | 38 DCHECK(thread_checker_.CalledOnValidThread()); |
37 Terminate(); | 39 Terminate(); |
38 } | 40 } |
39 | 41 |
40 int32_t WebRtcAudioDeviceImpl::AddRef() { | 42 int32_t WebRtcAudioDeviceImpl::AddRef() { |
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213 // Calling Terminate() multiple times in a row is OK. | 215 // Calling Terminate() multiple times in a row is OK. |
214 if (!initialized_) | 216 if (!initialized_) |
215 return 0; | 217 return 0; |
216 | 218 |
217 StopRecording(); | 219 StopRecording(); |
218 StopPlayout(); | 220 StopPlayout(); |
219 | 221 |
220 DCHECK(!renderer_.get() || !renderer_->IsStarted()) | 222 DCHECK(!renderer_.get() || !renderer_->IsStarted()) |
221 << "The shared audio renderer shouldn't be running"; | 223 << "The shared audio renderer shouldn't be running"; |
222 | 224 |
| 225 DisableAecDump(); |
| 226 |
223 capturers_.clear(); | 227 capturers_.clear(); |
224 | 228 |
225 initialized_ = false; | 229 initialized_ = false; |
226 return 0; | 230 return 0; |
227 } | 231 } |
228 | 232 |
229 bool WebRtcAudioDeviceImpl::Initialized() const { | 233 bool WebRtcAudioDeviceImpl::Initialized() const { |
230 return initialized_; | 234 return initialized_; |
231 } | 235 } |
232 | 236 |
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424 renderer_ = renderer; | 428 renderer_ = renderer; |
425 return true; | 429 return true; |
426 } | 430 } |
427 | 431 |
428 void WebRtcAudioDeviceImpl::AddAudioCapturer( | 432 void WebRtcAudioDeviceImpl::AddAudioCapturer( |
429 const scoped_refptr<WebRtcAudioCapturer>& capturer) { | 433 const scoped_refptr<WebRtcAudioCapturer>& capturer) { |
430 DVLOG(1) << "WebRtcAudioDeviceImpl::AddAudioCapturer()"; | 434 DVLOG(1) << "WebRtcAudioDeviceImpl::AddAudioCapturer()"; |
431 DCHECK(thread_checker_.CalledOnValidThread()); | 435 DCHECK(thread_checker_.CalledOnValidThread()); |
432 DCHECK(capturer.get()); | 436 DCHECK(capturer.get()); |
433 DCHECK(!capturer->device_id().empty()); | 437 DCHECK(!capturer->device_id().empty()); |
434 base::AutoLock auto_lock(lock_); | 438 { |
435 DCHECK(std::find(capturers_.begin(), capturers_.end(), capturer) == | 439 base::AutoLock auto_lock(lock_); |
436 capturers_.end()); | 440 DCHECK(std::find(capturers_.begin(), capturers_.end(), capturer) == |
437 capturers_.push_back(capturer); | 441 capturers_.end()); |
| 442 capturers_.push_back(capturer); |
| 443 } |
| 444 |
| 445 // Start the Aec dump if the Aec dump has been enabled and has not been |
| 446 // started. |
| 447 if (aec_dump_file_ != base::kInvalidPlatformFileValue) |
| 448 MaybeStartAecDump(); |
438 } | 449 } |
439 | 450 |
440 void WebRtcAudioDeviceImpl::RemoveAudioCapturer( | 451 void WebRtcAudioDeviceImpl::RemoveAudioCapturer( |
441 const scoped_refptr<WebRtcAudioCapturer>& capturer) { | 452 const scoped_refptr<WebRtcAudioCapturer>& capturer) { |
442 DVLOG(1) << "WebRtcAudioDeviceImpl::AddAudioCapturer()"; | 453 DVLOG(1) << "WebRtcAudioDeviceImpl::AddAudioCapturer()"; |
443 DCHECK(thread_checker_.CalledOnValidThread()); | 454 DCHECK(thread_checker_.CalledOnValidThread()); |
444 DCHECK(capturer.get()); | 455 DCHECK(capturer.get()); |
445 base::AutoLock auto_lock(lock_); | 456 base::AutoLock auto_lock(lock_); |
446 capturers_.remove(capturer); | 457 capturers_.remove(capturer); |
447 } | 458 } |
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484 DCHECK(thread_checker_.CalledOnValidThread()); | 495 DCHECK(thread_checker_.CalledOnValidThread()); |
485 // If there is no capturer or there are more than one open capture devices, | 496 // If there is no capturer or there are more than one open capture devices, |
486 // return false. | 497 // return false. |
487 if (capturers_.empty() || capturers_.size() > 1) | 498 if (capturers_.empty() || capturers_.size() > 1) |
488 return false; | 499 return false; |
489 | 500 |
490 return GetDefaultCapturer()->GetPairedOutputParameters( | 501 return GetDefaultCapturer()->GetPairedOutputParameters( |
491 session_id, output_sample_rate, output_frames_per_buffer); | 502 session_id, output_sample_rate, output_frames_per_buffer); |
492 } | 503 } |
493 | 504 |
| 505 void WebRtcAudioDeviceImpl::EnableAecDump( |
| 506 const base::PlatformFile& aec_dump_file) { |
| 507 DCHECK(thread_checker_.CalledOnValidThread()); |
| 508 DCHECK_NE(aec_dump_file, base::kInvalidPlatformFileValue); |
| 509 DCHECK_EQ(aec_dump_file_, base::kInvalidPlatformFileValue); |
| 510 aec_dump_file_ = aec_dump_file; |
| 511 MaybeStartAecDump(); |
| 512 } |
| 513 |
| 514 void WebRtcAudioDeviceImpl::DisableAecDump() { |
| 515 DCHECK(thread_checker_.CalledOnValidThread()); |
| 516 // Simply invalidate the |aec_dump_file_| if we have not pass the ownership |
| 517 // to WebRtc. |
| 518 if (aec_dump_file_ != base::kInvalidPlatformFileValue) { |
| 519 base::ClosePlatformFile(aec_dump_file_); |
| 520 aec_dump_file_ = base::kInvalidPlatformFileValue; |
| 521 return; |
| 522 } |
| 523 |
| 524 // We might have call StartAecDump() on one of the capturer. Loop |
| 525 // through all the capturers and call StopAecDump() on each of them. |
| 526 for (CapturerList::const_iterator iter = capturers_.begin(); |
| 527 iter != capturers_.end(); ++iter) { |
| 528 (*iter)->StopAecDump(); |
| 529 } |
| 530 } |
| 531 |
| 532 void WebRtcAudioDeviceImpl::MaybeStartAecDump() { |
| 533 DCHECK(thread_checker_.CalledOnValidThread()); |
| 534 DCHECK_NE(aec_dump_file_, base::kInvalidPlatformFileValue); |
| 535 |
| 536 // Start the Aec dump on the current default capturer. |
| 537 scoped_refptr<WebRtcAudioCapturer> default_capturer(GetDefaultCapturer()); |
| 538 if (!default_capturer) |
| 539 return; |
| 540 |
| 541 default_capturer->StartAecDump(aec_dump_file_); |
| 542 |
| 543 // Invalidate the |aec_dump_file_| since the ownership of the file has been |
| 544 // passed to WebRtc. |
| 545 aec_dump_file_ = base::kInvalidPlatformFileValue; |
| 546 } |
| 547 |
494 } // namespace content | 548 } // namespace content |
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