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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 } |
| (...skipping 15 matching lines...) Expand all Loading... |
| 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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