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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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/media_stream_audio_track.h" | 5 #include "content/renderer/media/media_stream_audio_track.h" |
6 | 6 |
| 7 #include "base/callback_helpers.h" |
7 #include "base/logging.h" | 8 #include "base/logging.h" |
8 #include "third_party/WebKit/public/platform/WebMediaStreamSource.h" | 9 #include "third_party/WebKit/public/platform/WebMediaStreamSource.h" |
9 #include "third_party/webrtc/api/mediastreaminterface.h" | 10 #include "third_party/webrtc/api/mediastreaminterface.h" |
10 | 11 |
11 namespace content { | 12 namespace content { |
12 | 13 |
13 MediaStreamAudioTrack::MediaStreamAudioTrack(bool is_local_track) | 14 MediaStreamAudioTrack::MediaStreamAudioTrack(bool is_local_track) |
14 : MediaStreamTrack(is_local_track) { | 15 : MediaStreamTrack(is_local_track) { |
| 16 DVLOG(1) << "MediaStreamAudioTrack::MediaStreamAudioTrack(is a " |
| 17 << (is_local_track ? "local" : "remote") << " track)"; |
15 } | 18 } |
16 | 19 |
17 MediaStreamAudioTrack::~MediaStreamAudioTrack() { | 20 MediaStreamAudioTrack::~MediaStreamAudioTrack() { |
| 21 DCHECK(main_render_thread_checker_.CalledOnValidThread()); |
| 22 DVLOG(1) << "MediaStreamAudioTrack::~MediaStreamAudioTrack()"; |
| 23 DCHECK(stop_callback_.is_null()) |
| 24 << "BUG: Subclass must ensure Stop() is called."; |
18 } | 25 } |
19 | 26 |
20 // static | 27 // static |
21 MediaStreamAudioTrack* MediaStreamAudioTrack::GetTrack( | 28 MediaStreamAudioTrack* MediaStreamAudioTrack::From( |
22 const blink::WebMediaStreamTrack& track) { | 29 const blink::WebMediaStreamTrack& track) { |
23 if (track.isNull() || | 30 if (track.isNull() || |
24 track.source().getType() != blink::WebMediaStreamSource::TypeAudio) { | 31 track.source().getType() != blink::WebMediaStreamSource::TypeAudio) { |
25 return nullptr; | 32 return nullptr; |
26 } | 33 } |
27 return static_cast<MediaStreamAudioTrack*>(track.extraData()); | 34 return static_cast<MediaStreamAudioTrack*>(track.extraData()); |
28 } | 35 } |
29 | 36 |
| 37 void MediaStreamAudioTrack::Start(const base::Closure& stop_callback) { |
| 38 DCHECK(main_render_thread_checker_.CalledOnValidThread()); |
| 39 DCHECK(!stop_callback.is_null()); |
| 40 DCHECK(stop_callback_.is_null()); |
| 41 DVLOG(1) << "MediaStreamAudioTrack::Start()"; |
| 42 stop_callback_ = stop_callback; |
| 43 } |
| 44 |
| 45 void MediaStreamAudioTrack::Stop() { |
| 46 DCHECK(main_render_thread_checker_.CalledOnValidThread()); |
| 47 DVLOG(1) << "MediaStreamAudioTrack::Stop()"; |
| 48 if (!stop_callback_.is_null()) |
| 49 base::ResetAndReturn(&stop_callback_).Run(); |
| 50 OnStop(); |
| 51 } |
| 52 |
| 53 void MediaStreamAudioTrack::OnStop() {} |
| 54 |
30 webrtc::AudioTrackInterface* MediaStreamAudioTrack::GetAudioAdapter() { | 55 webrtc::AudioTrackInterface* MediaStreamAudioTrack::GetAudioAdapter() { |
31 NOTREACHED(); | 56 NOTREACHED(); |
32 return nullptr; | 57 return nullptr; |
33 } | 58 } |
34 | 59 |
35 } // namespace content | 60 } // namespace content |
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