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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/renderer/media/webrtc/webrtc_media_stream_adapter.h"
#include "base/logging.h"
#include "content/renderer/media/media_stream_audio_source.h"
#include "content/renderer/media/media_stream_dependency_factory.h"
#include "content/renderer/media/media_stream_track.h"
#include "content/renderer/media/media_stream_video_track.h"
#include "third_party/WebKit/public/platform/WebMediaStreamSource.h"
#include "third_party/WebKit/public/platform/WebMediaStreamTrack.h"
#include "third_party/WebKit/public/platform/WebString.h"
namespace content {
WebRtcMediaStreamAdapter::WebRtcMediaStreamAdapter(
const blink::WebMediaStream& web_stream,
MediaStreamDependencyFactory* factory)
: web_stream_(web_stream),
factory_(factory) {
webrtc_media_stream_ =
factory_->CreateLocalMediaStream(web_stream.id().utf8());
CreateAudioTracks();
CreateVideoTracks();
}
WebRtcMediaStreamAdapter::~WebRtcMediaStreamAdapter() {
}
void WebRtcMediaStreamAdapter::CreateAudioTracks() {
// A media stream is connected to a peer connection, enable the
// peer connection mode for the sources.
blink::WebVector<blink::WebMediaStreamTrack> audio_tracks;
web_stream_.audioTracks(audio_tracks);
for (size_t i = 0; i < audio_tracks.size(); ++i) {
MediaStreamTrack* native_track =
MediaStreamTrack::GetTrack(audio_tracks[i]);
if (!native_track || !native_track->is_local_track()) {
// We don't support connecting remote audio tracks to PeerConnection yet.
// See issue http://crbug/344303.
// TODO(xians): Remove this after we support connecting remote audio track
// to PeerConnection.
DLOG(ERROR) << "webrtc audio track can not be created with a source "
"from a remote audio track.";
NOTIMPLEMENTED();
continue;
}
// This is a local audio track.
const blink::WebMediaStreamSource& source = audio_tracks[i].source();
MediaStreamAudioSource* audio_source =
static_cast<MediaStreamAudioSource*>(source.extraData());
if (audio_source && audio_source->GetAudioCapturer())
audio_source->GetAudioCapturer()->EnablePeerConnectionMode();
webrtc_media_stream_->AddTrack(native_track->GetAudioAdapter());
}
}
void WebRtcMediaStreamAdapter::CreateVideoTracks() {
blink::WebVector<blink::WebMediaStreamTrack> video_tracks;
web_stream_.videoTracks(video_tracks);
for (size_t i = 0; i < video_tracks.size(); ++i) {
MediaStreamVideoTrack* native_track =
MediaStreamVideoTrack::GetVideoTrack(video_tracks[i]);
webrtc_media_stream_->AddTrack(native_track->GetVideoAdapter());
}
}
} // namespace content
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