/// <summary>
/// Accesses the local video track, specified by
/// this.selectedDevice and this.selectedProfile.
/// MUST NOT BE CALLED FROM THE UI THREAD.
/// </summary>
/// <param name="factory"></param>
/// <returns></returns>
private IMediaStreamTrack getLocalVideo(IWebRtcFactory factory)
{
IReadOnlyList <IConstraint> mandatoryConstraints = new List <IConstraint>()
{
new Constraint("maxWidth", this.selectedProfile.Width.ToString()),
new Constraint("minWidth", this.selectedProfile.Width.ToString()),
new Constraint("maxHeight", this.selectedProfile.Height.ToString()),
new Constraint("minHeight", this.selectedProfile.Height.ToString()),
new Constraint("maxFrameRate", this.selectedProfile.FrameRate.ToString()),
new Constraint("minFrameRate", this.selectedProfile.FrameRate.ToString())
};
IReadOnlyList <IConstraint> optionalConstraints = new List <IConstraint>();
var mediaConstraints = new MediaConstraints(mandatoryConstraints, optionalConstraints);
// this will throw a very unhelpful exception if called from the UI thread
var videoCapturer = VideoCapturer.Create(this.selectedDevice.Name, this.selectedDevice.Id, false);
var options = new VideoOptions()
{
Factory = factory,
Capturer = videoCapturer,
Constraints = mediaConstraints
};
var videoTrackSource = VideoTrackSource.Create(options);
return(MediaStreamTrack.CreateVideoTrack("LocalVideo", videoTrackSource));
}
/// <summary>
/// Accesses the local audio track as specified
/// by the operating system.
/// MUST NOT BE CALLED FROM THE UI THREAD.
/// </summary>
/// <param name="factory"></param>
/// <returns></returns>
private IMediaStreamTrack getLocalAudio(IWebRtcFactory factory)
{
var audioOptions = new AudioOptions()
{
Factory = factory
};
// this will throw a very unhelpful exception if called from the UI thread
var audioTrackSource = AudioTrackSource.Create(audioOptions);
return(MediaStreamTrack.CreateAudioTrack("LocalAudio", audioTrackSource));
}
