/// <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));
}
void SetupAudioTrack()
{
Logger.Debug("PeerChannel", "SetupAudioTrack");
var opts = new AudioOptions
{
Factory = factory
};
Logger.Debug("PeerChannel", "create audio source");
var audioSource = AudioTrackSource.Create(opts);
Logger.Debug("PeerChannel", "create audio track");
var track = MediaStreamTrack.CreateAudioTrack(factory,
mediaOption.AudioTrackId, audioSource);
Logger.Debug("PeerChannel", "add audio track");
Conn.AddTrack(track);
OnAddLocalAudioTrack?.Invoke(track);
}
private void GetUserMedia()
{
Debug.WriteLine("Getting user media.");
MediaDevice _selectedVideoDevice = (MediaDevice)Devices.Instance.VideoMediaDevicesList[0];
for (int i = 0; i < Devices.Instance.VideoMediaDevicesList.Count; i++)
{
if (Devices.Instance.VideoMediaDevicesList[i].DisplayName == (string)_localSettings.Values["SelectedCameraName"])
{
_selectedVideoDevice = (MediaDevice)Devices.Instance.VideoMediaDevicesList[i];
}
}
List <int> widths = new List <int>();
List <int> heights = new List <int>();
List <int> frameRates = new List <int>();
foreach (var videoFormat in _selectedVideoDevice.VideoFormats)
{
widths.Add(videoFormat.Dimension.Width);
heights.Add(videoFormat.Dimension.Height);
foreach (var frameRate in videoFormat.FrameRates)
{
frameRates.Add(frameRate);
}
}
// Maximum and minimum values for the selected camera
IReadOnlyList <IConstraint> mandatoryConstraints = new List <IConstraint>()
{
new Constraint("maxWidth", widths.Max().ToString()),
new Constraint("minWidth", widths.Min().ToString()),
new Constraint("maxHeight", heights.Max().ToString()),
new Constraint("minHeight", heights.Min().ToString()),
new Constraint("maxFrameRate", frameRates.Max().ToString()),
new Constraint("minFrameRate", frameRates.Min().ToString())
};
// Add optional constrains
IReadOnlyList <IConstraint> optionalConstraints = new List <IConstraint>();
IMediaConstraints mediaConstraints = new MediaConstraints(mandatoryConstraints, optionalConstraints);
var videoCapturer = VideoCapturer.Create(_selectedVideoDevice.DisplayName, _selectedVideoDevice.Id, false);
var videoOptions = new VideoOptions();
videoOptions.Factory = _factory;
videoOptions.Capturer = videoCapturer;
videoOptions.Constraints = mediaConstraints;
var videoTrackSource = VideoTrackSource.Create(videoOptions);
_selfVideoTrack = MediaStreamTrack.CreateVideoTrack("SELF_VIDEO", videoTrackSource);
var audioOptions = new AudioOptions();
audioOptions.Factory = _factory;
var audioTrackSource = AudioTrackSource.Create(audioOptions);
_selfAudioTrack = MediaStreamTrack.CreateAudioTrack("SELF_AUDIO", audioTrackSource);
}
