/// <summary>
/// On Win10 in a background task, WebRTC initialization has to be done
/// when we have access to the resources. That's inside an active
/// voip call.
/// This function must be called after VoipCoordinator.StartVoipTask()
/// </summary>
/// <returns></returns>
public void InitializeRTC()
{
if (Media == null)
{
WebRTC.Initialize(_dispatcher);
Media = WebRTCMedia.CreateMedia();
WebRTCMedia.SetDisplayOrientation(_displayOrientation);
// Uncomment the following line to enable WebRTC logging.
// Logs are:
// - Saved to local storage. Log folder location can be obtained using WebRTC.LogFolder()
// - Sent over network if client is connected to TCP port 47003
//WebRTC.EnableLogging(LogLevel.LOGLVL_INFO);
}
if (DisplayOrientations.None != _displayOrientation)
{
WebRTCMedia.SetDisplayOrientation(_displayOrientation);
}
string videoDeviceId = string.Empty;
if (_localSettings.Values.ContainsKey(MediaSettingsIds.VideoDeviceSettings))
{
videoDeviceId = (string)_localSettings.Values[MediaSettingsIds.VideoDeviceSettings];
}
var videoDevices = Media.GetVideoCaptureDevices();
var selectedVideoDevice = videoDevices.FirstOrDefault(d => d.Id.Equals(videoDeviceId));
selectedVideoDevice = selectedVideoDevice ?? videoDevices.FirstOrDefault();
if (selectedVideoDevice != null)
{
Media.SelectVideoDevice(selectedVideoDevice);
}
string audioDeviceId = string.Empty;
if (_localSettings.Values.ContainsKey(MediaSettingsIds.AudioDeviceSettings))
{
audioDeviceId = (string)_localSettings.Values[MediaSettingsIds.AudioDeviceSettings];
}
var audioDevices = Media.GetAudioCaptureDevices();
var selectedAudioDevice = audioDevices.FirstOrDefault(d => d.Id.Equals(audioDeviceId));
selectedAudioDevice = selectedAudioDevice ?? audioDevices.FirstOrDefault();
if (selectedAudioDevice != null)
{
Media.SelectAudioDevice(selectedAudioDevice);
}
string audioPlayoutDeviceId = string.Empty;
if (_localSettings.Values.ContainsKey(MediaSettingsIds.AudioPlayoutDeviceSettings))
{
audioPlayoutDeviceId = (string)_localSettings.Values[MediaSettingsIds.AudioPlayoutDeviceSettings];
}
var audioPlayoutDevices = Media.GetAudioPlayoutDevices();
var selectedAudioPlayoutDevice = audioPlayoutDevices.FirstOrDefault(d => d.Id.Equals(audioPlayoutDeviceId));
selectedAudioPlayoutDevice = selectedAudioPlayoutDevice ?? audioPlayoutDevices.FirstOrDefault();
if (selectedAudioPlayoutDevice != null)
{
Media.SelectAudioPlayoutDevice(selectedAudioPlayoutDevice);
}
int videoCodecId = int.MinValue;
if (_localSettings.Values.ContainsKey(MediaSettingsIds.VideoCodecSettings))
{
videoCodecId = (int)_localSettings.Values[MediaSettingsIds.VideoCodecSettings];
}
var videoCodecs = WebRTC.GetVideoCodecs();
var selectedVideoCodec = videoCodecs.FirstOrDefault(c => c.Id.Equals(videoCodecId));
SetVideoCodec(DtoExtensions.ToDto(selectedVideoCodec ?? videoCodecs.FirstOrDefault()));
int audioCodecId = int.MinValue;
if (_localSettings.Values.ContainsKey(MediaSettingsIds.AudioCodecSettings))
{
audioCodecId = (int)_localSettings.Values[MediaSettingsIds.AudioCodecSettings];
}
var audioCodecs = WebRTC.GetAudioCodecs();
var selectedAudioCodec = audioCodecs.FirstOrDefault(c => c.Id.Equals(audioCodecId));
SetAudioCodec(DtoExtensions.ToDto(selectedAudioCodec ?? audioCodecs.FirstOrDefault()));
if (_localSettings.Values.ContainsKey(MediaSettingsIds.PreferredVideoCaptureWidth) &&
_localSettings.Values.ContainsKey(MediaSettingsIds.PreferredVideoCaptureHeight) &&
_localSettings.Values.ContainsKey(MediaSettingsIds.PreferredVideoCaptureFrameRate))
{
WebRTC.SetPreferredVideoCaptureFormat((int)_localSettings.Values[MediaSettingsIds.PreferredVideoCaptureWidth],
(int)_localSettings.Values[MediaSettingsIds.PreferredVideoCaptureHeight],
(int)_localSettings.Values[MediaSettingsIds.PreferredVideoCaptureFrameRate]);
}
ResolutionHelper.ResolutionChanged += (id, width, height) =>
{
if (id == LocalMediaStreamId)
{
LocalVideoRenderer.ResolutionChanged(width, height);
}
else if (id == PeerMediaStreamId)
{
RemoteVideoRenderer.ResolutionChanged(width, height);
}
};
FrameCounterHelper.FramesPerSecondChanged += (id, frameRate) =>
{
if (id == LocalMediaStreamId)
{
LocalVideo_FrameRateUpdate(frameRate);
}
else if (id == PeerMediaStreamId)
{
RemoteVideo_FrameRateUpdate(frameRate);
}
};
}
public void ReleaseDevices()
{
WebRTCMedia.OnAppSuspending();
}