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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_source.h" | 5 #include "content/renderer/media/media_stream_audio_source.h" |
6 | 6 |
7 #include "content/renderer/media/webrtc_local_audio_track.h" | |
8 #include "content/renderer/render_frame_impl.h" | 7 #include "content/renderer/render_frame_impl.h" |
9 #include "third_party/WebKit/public/platform/WebMediaStreamSource.h" | |
10 | 8 |
11 namespace content { | 9 namespace content { |
12 | 10 |
13 MediaStreamAudioSource::MediaStreamAudioSource( | 11 MediaStreamAudioSource::MediaStreamAudioSource( |
14 int render_frame_id, | 12 int render_frame_id, |
15 const StreamDeviceInfo& device_info, | 13 const StreamDeviceInfo& device_info, |
16 const SourceStoppedCallback& stop_callback, | 14 const SourceStoppedCallback& stop_callback, |
17 PeerConnectionDependencyFactory* factory) | 15 PeerConnectionDependencyFactory* factory) |
18 : render_frame_id_(render_frame_id), factory_(factory), | 16 : render_frame_id_(render_frame_id), factory_(factory) { |
19 weak_factory_(this) { | |
20 SetDeviceInfo(device_info); | 17 SetDeviceInfo(device_info); |
21 SetStopCallback(stop_callback); | 18 SetStopCallback(stop_callback); |
22 } | 19 } |
23 | 20 |
24 MediaStreamAudioSource::MediaStreamAudioSource() | 21 MediaStreamAudioSource::MediaStreamAudioSource() |
25 : render_frame_id_(-1), factory_(NULL), weak_factory_(this) { | 22 : render_frame_id_(-1), factory_(NULL) { |
26 } | 23 } |
27 | 24 |
28 MediaStreamAudioSource::~MediaStreamAudioSource() {} | 25 MediaStreamAudioSource::~MediaStreamAudioSource() {} |
29 | 26 |
30 // static | |
31 MediaStreamAudioSource* MediaStreamAudioSource::From( | |
32 const blink::WebMediaStreamSource& source) { | |
33 if (source.isNull() || | |
34 source.getType() != blink::WebMediaStreamSource::TypeAudio) { | |
35 return nullptr; | |
36 } | |
37 return static_cast<MediaStreamAudioSource*>(source.getExtraData()); | |
38 } | |
39 | |
40 void MediaStreamAudioSource::DoStopSource() { | 27 void MediaStreamAudioSource::DoStopSource() { |
41 if (audio_capturer_) | 28 if (audio_capturer_.get()) |
42 audio_capturer_->Stop(); | 29 audio_capturer_->Stop(); |
43 if (webaudio_capturer_) | |
44 webaudio_capturer_->Stop(); | |
45 } | 30 } |
46 | 31 |
47 void MediaStreamAudioSource::AddTrack( | 32 void MediaStreamAudioSource::AddTrack( |
48 const blink::WebMediaStreamTrack& track, | 33 const blink::WebMediaStreamTrack& track, |
49 const blink::WebMediaConstraints& constraints, | 34 const blink::WebMediaConstraints& constraints, |
50 const ConstraintsCallback& callback) { | 35 const ConstraintsCallback& callback) { |
51 // TODO(xians): Properly implement for audio sources. | 36 // TODO(xians): Properly implement for audio sources. |
52 if (!local_audio_source_.get()) { | 37 if (!local_audio_source_.get()) { |
53 if (!factory_->InitializeMediaStreamAudioSource(render_frame_id_, | 38 if (!factory_->InitializeMediaStreamAudioSource(render_frame_id_, |
54 constraints, this)) { | 39 constraints, this)) { |
55 // The source failed to start. | 40 // The source failed to start. |
56 // UserMediaClientImpl rely on the |stop_callback| to be triggered when | 41 // UserMediaClientImpl rely on the |stop_callback| to be triggered when |
57 // the last track is removed from the source. But in this case, the | 42 // the last track is removed from the source. But in this case, the |
58 // source is is not even started. So we need to fail both adding the | 43 // source is is not even started. So we need to fail both adding the |
59 // track and trigger |stop_callback|. | 44 // track and trigger |stop_callback|. |
60 callback.Run(this, MEDIA_DEVICE_TRACK_START_FAILURE, ""); | 45 callback.Run(this, MEDIA_DEVICE_TRACK_START_FAILURE, ""); |
61 StopSource(); | 46 StopSource(); |
62 return; | 47 return; |
63 } | 48 } |
64 } | 49 } |
65 | 50 |
66 factory_->CreateLocalAudioTrack(track); | 51 factory_->CreateLocalAudioTrack(track); |
67 callback.Run(this, MEDIA_DEVICE_OK, ""); | 52 callback.Run(this, MEDIA_DEVICE_OK, ""); |
68 } | 53 } |
69 | 54 |
70 void MediaStreamAudioSource::StopAudioDeliveryTo(MediaStreamAudioTrack* track) { | |
71 DCHECK(track); | |
72 if (audio_capturer_) { | |
73 // The cast here is safe because only WebRtcLocalAudioTracks are ever used | |
74 // with WebRtcAudioCapturer sources. | |
75 // | |
76 // TODO(miu): That said, this ugly cast won't be necessary after my | |
77 // soon-upcoming refactoring change. | |
78 audio_capturer_->RemoveTrack(static_cast<WebRtcLocalAudioTrack*>(track)); | |
79 } | |
80 if (webaudio_capturer_) { | |
81 // A separate source is created for each track, so just stop the source. | |
82 webaudio_capturer_->Stop(); | |
83 } | |
84 } | |
85 | |
86 } // namespace content | 55 } // namespace content |
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