MediaStream::MediaStream(ExecutionContext* context,
const MediaStreamTrackVector& audioTracks,
const MediaStreamTrackVector& videoTracks)
: m_scheduledEventTimer(this, &MediaStream::scheduledEventTimerFired),
m_executionContext(context) {
MediaStreamComponentVector audioComponents;
MediaStreamComponentVector videoComponents;
MediaStreamTrackVector::const_iterator iter;
for (iter = audioTracks.begin(); iter != audioTracks.end(); ++iter) {
(*iter)->registerMediaStream(this);
audioComponents.append((*iter)->component());
}
for (iter = videoTracks.begin(); iter != videoTracks.end(); ++iter) {
(*iter)->registerMediaStream(this);
videoComponents.append((*iter)->component());
}
m_descriptor =
MediaStreamDescriptor::create(audioComponents, videoComponents);
m_descriptor->setClient(this);
MediaStreamCenter::instance().didCreateMediaStream(m_descriptor);
m_audioTracks = audioTracks;
m_videoTracks = videoTracks;
if (emptyOrOnlyEndedTracks()) {
m_descriptor->setActive(false);
}
}
void UserMediaRequest::callSuccessHandler(PassRefPtr<MediaStreamDescriptor> streamDescriptor)
{
// 4 - Create the MediaStream and pass it to the success callback.
ASSERT(m_successCallback);
RefPtr<MediaStream> stream = MediaStream::create(m_scriptExecutionContext, streamDescriptor);
MediaStreamTrackVector tracks = stream->getAudioTracks();
for (MediaStreamTrackVector::iterator iter = tracks.begin(); iter != tracks.end(); ++iter)
(*iter)->source()->setConstraints(m_audioConstraints);
tracks = stream->getVideoTracks();
for (MediaStreamTrackVector::iterator iter = tracks.begin(); iter != tracks.end(); ++iter)
(*iter)->source()->setConstraints(m_videoConstraints);
m_successCallback->handleEvent(stream.get());
}
void UserMediaRequest::succeed(PassRefPtr<MediaStreamDescriptor> streamDescriptor)
{
if (!executionContext())
return;
RefPtrWillBeRawPtr<MediaStream> stream = MediaStream::create(executionContext(), streamDescriptor);
MediaStreamTrackVector audioTracks = stream->getAudioTracks();
for (MediaStreamTrackVector::iterator iter = audioTracks.begin(); iter != audioTracks.end(); ++iter) {
(*iter)->component()->source()->setConstraints(m_audio);
}
MediaStreamTrackVector videoTracks = stream->getVideoTracks();
for (MediaStreamTrackVector::iterator iter = videoTracks.begin(); iter != videoTracks.end(); ++iter) {
(*iter)->component()->source()->setConstraints(m_video);
}
m_successCallback->handleEvent(stream.get());
}