/// <summary>
/// Create and start AV session with remote Uri
/// </summary>
/// <param name="remoteUri"></param>
public void StartAVSession(string avRemoteUri)
{
this.avRemoteUri = avRemoteUri;
// Create AV session
CreateSession(UCC_SESSION_TYPE.UCCST_AUDIO_VIDEO);
// Create remote participant
UccUriManager uriManager = new UccUriManager();
IUccSessionParticipant participant = this.avSession.CreateParticipant(uriManager.ParseUri(this.avRemoteUri), null);
IUccAudioVideoSessionParticipant avParticipant = participant as IUccAudioVideoSessionParticipant;
// Create audio channel
IUccMediaChannel channel = avParticipant.CreateChannel(UCC_MEDIA_TYPES.UCCMT_AUDIO, null);
channel.PreferredMedia = (int)(UCC_MEDIA_DIRECTIONS.UCCMD_RECEIVE | UCC_MEDIA_DIRECTIONS.UCCMD_SEND);
// Add channel
avParticipant.AddChannel(channel);
UccOperationContext context = new UccOperationContextClass();
context.Initialize(operationId++, null);
// Add remote participant
this.avSession.AddParticipant(participant, context);
}
protected override void OnParticipantAdded(IUccSession eventSource, IUccSessionParticipant participant)
{
base.OnParticipantAdded(eventSource, participant);
IUccAudioVideoSessionParticipant avParticipant = participant as IUccAudioVideoSessionParticipant;
foreach (IUccMediaChannel channel in avParticipant.Channels)
{
this.OnChannelAdded(avParticipant, channel);
}
ComEvents.Advise <_IUccMediaChannelCollectionEvents>(avParticipant, this);
}
protected T FindMediaChannel <T>(IUccAudioVideoSessionParticipant participant)
{
if (typeof(T) == typeof(IUccVideoMediaChannel))
{
return((T)this.FindMediaChannel(participant, UCC_MEDIA_TYPES.UCCMT_VIDEO));
}
if (typeof(T) == typeof(IUccAudioMediaChannel))
{
return((T)this.FindMediaChannel(participant, UCC_MEDIA_TYPES.UCCMT_AUDIO));
}
return(default(T));
}
protected IUccMediaChannel FindMediaChannel(IUccAudioVideoSessionParticipant participant, UCC_MEDIA_TYPES mediaType)
{
if (participant != null)
{
foreach (IUccMediaChannel channel in participant.Channels)
{
if ((channel.MediaType & mediaType) == mediaType)
{
return(channel);
}
}
}
return(null);
}
protected override void AddChannel(IUccSessionParticipant participant)
{
IUccAudioVideoSessionParticipant avParticipant = participant as IUccAudioVideoSessionParticipant;
IUccMediaChannel audioChannel = avParticipant.CreateChannel(UCC_MEDIA_TYPES.UCCMT_AUDIO, null);
audioChannel.PreferredMedia = (int)(UCC_MEDIA_DIRECTIONS.UCCMD_RECEIVE | UCC_MEDIA_DIRECTIONS.UCCMD_SEND);
avParticipant.AddChannel(audioChannel);
if (this.isVideoEnabled)
{
IUccMediaChannel videoChannel = avParticipant.CreateChannel(UCC_MEDIA_TYPES.UCCMT_VIDEO, null);
videoChannel.PreferredMedia = (int)(UCC_MEDIA_DIRECTIONS.UCCMD_RECEIVE | UCC_MEDIA_DIRECTIONS.UCCMD_SEND);
avParticipant.AddChannel(videoChannel);
}
}
void _IUccMediaChannelCollectionEvents.OnChannelRemoved(IUccAudioVideoSessionParticipant eventSource, IUccMediaChannelCollectionEvent eventData)
{
ComEvents.Unadvise <_IUccMediaChannelEvents>(eventData.MediaChannel, this);
}
void _IUccMediaChannelCollectionEvents.OnChannelAdded(IUccAudioVideoSessionParticipant eventSource, IUccMediaChannelCollectionEvent eventData)
{
this.OnChannelAdded(eventSource, eventData.MediaChannel);
}
protected virtual void OnChannelAdded(IUccAudioVideoSessionParticipant eventSource, IUccMediaChannel channel)
{
this.OnNegotiatedMediaChanged(channel, 0, (UCC_MEDIA_DIRECTIONS)channel.NegotiatedMedia);
ComEvents.Advise <_IUccMediaChannelEvents>(channel, this);
}
