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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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/public/renderer/media_stream_utils.h" | 5 #include "content/public/renderer/media_stream_utils.h" |
6 | 6 |
7 #include <memory> | 7 #include <memory> |
8 #include <utility> | 8 #include <utility> |
9 | 9 |
10 #include "base/callback.h" | 10 #include "base/callback.h" |
11 #include "base/guid.h" | 11 #include "base/guid.h" |
12 #include "base/rand_util.h" | 12 #include "base/rand_util.h" |
13 #include "base/strings/utf_string_conversions.h" | 13 #include "base/strings/utf_string_conversions.h" |
14 #include "content/renderer/media/external_media_stream_audio_source.h" | 14 #include "content/renderer/media/external_media_stream_audio_source.h" |
15 #include "content/renderer/media/media_stream_video_capturer_source.h" | 15 #include "content/renderer/media/media_stream_video_capturer_source.h" |
16 #include "content/renderer/media/media_stream_video_source.h" | 16 #include "content/renderer/media/media_stream_video_source.h" |
17 #include "content/renderer/media/media_stream_video_track.h" | 17 #include "content/renderer/media/media_stream_video_track.h" |
18 #include "media/base/audio_capturer_source.h" | 18 #include "media/base/audio_capturer_source.h" |
19 #include "media/capture/video_capturer_source.h" | 19 #include "media/capture/video_capturer_source.h" |
20 #include "third_party/WebKit/public/platform/WebMediaStream.h" | 20 #include "third_party/WebKit/public/platform/WebMediaStream.h" |
21 #include "third_party/WebKit/public/platform/WebMediaStreamSource.h" | 21 #include "third_party/WebKit/public/platform/WebMediaStreamSource.h" |
22 #include "third_party/WebKit/public/web/WebMediaStreamRegistry.h" | 22 #include "third_party/WebKit/public/web/WebMediaStreamRegistry.h" |
23 | 23 |
24 namespace content { | 24 namespace content { |
25 | 25 |
26 bool AddVideoTrackToMediaStream( | 26 bool AddVideoTrackToMediaStream( |
27 std::unique_ptr<media::VideoCapturerSource> video_source, | 27 std::unique_ptr<media::VideoCapturerSource> video_source, |
28 bool is_remote, | |
29 bool is_readonly, | |
30 blink::WebMediaStream* web_media_stream) { | 28 blink::WebMediaStream* web_media_stream) { |
31 DCHECK(video_source.get()); | 29 DCHECK(video_source.get()); |
32 if (!web_media_stream || web_media_stream->isNull()) { | 30 if (!web_media_stream || web_media_stream->isNull()) { |
33 DLOG(ERROR) << "WebMediaStream is null"; | 31 DLOG(ERROR) << "WebMediaStream is null"; |
34 return false; | 32 return false; |
35 } | 33 } |
36 | 34 |
37 blink::WebMediaStreamSource web_media_stream_source; | 35 blink::WebMediaStreamSource web_media_stream_source; |
38 MediaStreamVideoSource* const media_stream_source = | 36 MediaStreamVideoSource* const media_stream_source = |
39 new MediaStreamVideoCapturerSource( | 37 new MediaStreamVideoCapturerSource( |
40 MediaStreamSource::SourceStoppedCallback(), std::move(video_source)); | 38 MediaStreamSource::SourceStoppedCallback(), std::move(video_source)); |
41 const blink::WebString track_id = | 39 const blink::WebString track_id = |
42 blink::WebString::fromUTF8(base::GenerateGUID()); | 40 blink::WebString::fromUTF8(base::GenerateGUID()); |
43 web_media_stream_source.initialize(track_id, | 41 web_media_stream_source.initialize( |
44 blink::WebMediaStreamSource::TypeVideo, | 42 track_id, blink::WebMediaStreamSource::TypeVideo, track_id); |
45 track_id, is_remote); | |
46 // Takes ownership of |media_stream_source|. | 43 // Takes ownership of |media_stream_source|. |
47 web_media_stream_source.setExtraData(media_stream_source); | 44 web_media_stream_source.setExtraData(media_stream_source); |
48 | 45 |
49 blink::WebMediaConstraints constraints; | 46 blink::WebMediaConstraints constraints; |
50 constraints.initialize(); | 47 constraints.initialize(); |
51 web_media_stream->addTrack(MediaStreamVideoTrack::CreateVideoTrack( | 48 web_media_stream->addTrack(MediaStreamVideoTrack::CreateVideoTrack( |
52 media_stream_source, constraints, | 49 media_stream_source, constraints, |
53 MediaStreamVideoSource::ConstraintsCallback(), true)); | 50 MediaStreamVideoSource::ConstraintsCallback(), true)); |
54 return true; | 51 return true; |
55 } | 52 } |
56 | 53 |
57 bool AddAudioTrackToMediaStream( | 54 bool AddAudioTrackToMediaStream( |
58 scoped_refptr<media::AudioCapturerSource> audio_source, | 55 scoped_refptr<media::AudioCapturerSource> audio_source, |
59 int sample_rate, | 56 int sample_rate, |
60 media::ChannelLayout channel_layout, | 57 media::ChannelLayout channel_layout, |
61 int frames_per_buffer, | 58 int frames_per_buffer, |
62 bool is_remote, | |
63 bool is_readonly, | |
64 blink::WebMediaStream* web_media_stream) { | 59 blink::WebMediaStream* web_media_stream) { |
65 DCHECK(audio_source.get()); | 60 DCHECK(audio_source.get()); |
66 if (!web_media_stream || web_media_stream->isNull()) { | 61 if (!web_media_stream || web_media_stream->isNull()) { |
67 DLOG(ERROR) << "WebMediaStream is null"; | 62 DLOG(ERROR) << "WebMediaStream is null"; |
68 return false; | 63 return false; |
69 } | 64 } |
70 | 65 |
71 const media::AudioParameters params( | 66 const media::AudioParameters params( |
72 media::AudioParameters::AUDIO_PCM_LOW_LATENCY, channel_layout, | 67 media::AudioParameters::AUDIO_PCM_LOW_LATENCY, channel_layout, |
73 sample_rate, sizeof(int16_t) * 8, frames_per_buffer); | 68 sample_rate, sizeof(int16_t) * 8, frames_per_buffer); |
74 if (!params.IsValid()) { | 69 if (!params.IsValid()) { |
75 DLOG(ERROR) << "Invalid audio parameters."; | 70 DLOG(ERROR) << "Invalid audio parameters."; |
76 return false; | 71 return false; |
77 } | 72 } |
78 | 73 |
79 blink::WebMediaStreamSource web_media_stream_source; | 74 blink::WebMediaStreamSource web_media_stream_source; |
80 const blink::WebString track_id = | 75 const blink::WebString track_id = |
81 blink::WebString::fromUTF8(base::GenerateGUID()); | 76 blink::WebString::fromUTF8(base::GenerateGUID()); |
82 web_media_stream_source.initialize(track_id, | 77 web_media_stream_source.initialize( |
83 blink::WebMediaStreamSource::TypeAudio, | 78 track_id, blink::WebMediaStreamSource::TypeAudio, track_id); |
84 track_id, is_remote); | |
85 MediaStreamAudioSource* const media_stream_source = | 79 MediaStreamAudioSource* const media_stream_source = |
86 new ExternalMediaStreamAudioSource(std::move(audio_source), sample_rate, | 80 new ExternalMediaStreamAudioSource(std::move(audio_source), sample_rate, |
87 channel_layout, frames_per_buffer, | 81 channel_layout, frames_per_buffer); |
88 is_remote); | |
89 // Takes ownership of |media_stream_source|. | 82 // Takes ownership of |media_stream_source|. |
90 web_media_stream_source.setExtraData(media_stream_source); | 83 web_media_stream_source.setExtraData(media_stream_source); |
91 | 84 |
92 blink::WebMediaStreamTrack web_media_stream_track; | 85 blink::WebMediaStreamTrack web_media_stream_track; |
93 web_media_stream_track.initialize(web_media_stream_source); | 86 web_media_stream_track.initialize(web_media_stream_source); |
94 if (!media_stream_source->ConnectToTrack(web_media_stream_track)) | 87 if (!media_stream_source->ConnectToTrack(web_media_stream_track)) |
95 return false; | 88 return false; |
96 web_media_stream->addTrack(web_media_stream_track); | 89 web_media_stream->addTrack(web_media_stream_track); |
97 return true; | 90 return true; |
98 } | 91 } |
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114 const blink::WebMediaStreamTrack& video_track) { | 107 const blink::WebMediaStreamTrack& video_track) { |
115 if (video_track.isNull()) | 108 if (video_track.isNull()) |
116 return; | 109 return; |
117 MediaStreamVideoSource* const source = | 110 MediaStreamVideoSource* const source = |
118 MediaStreamVideoSource::GetVideoSource(video_track.source()); | 111 MediaStreamVideoSource::GetVideoSource(video_track.source()); |
119 if (source) | 112 if (source) |
120 source->RequestRefreshFrame(); | 113 source->RequestRefreshFrame(); |
121 } | 114 } |
122 | 115 |
123 } // namespace content | 116 } // namespace content |
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