/// <summary>
/// Adds specified source to participant if participant doesn't contain the specified source.
/// </summary>
/// <param name="source">RTP source.</param>
/// <exception cref="ArgumentNullException">Is raised when <b>source</b> is null reference.</exception>
internal void EnsureSource(RTP_Source source)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
if (!m_pSources.Contains(source))
{
m_pSources.Add(source);
OnSourceAdded(source);
source.Disposing += new EventHandler(delegate(object sender, EventArgs e){
if (m_pSources.Remove(source))
{
OnSourceRemoved(source);
// If last source removed, the participant is dead, so dispose participant.
if (m_pSources.Count == 0)
{
OnRemoved();
Dispose();
}
}
});
}
}
/// <summary>
/// Default constructor.
/// </summary>
/// <param name="source">RTP source.</param>
/// <exception cref="ArgumentNullException">Is raised when <b>source</b> is null reference.</exception>
public RTP_SourceEventArgs(RTP_Source source)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
m_pSource = source;
}
/// <summary>
/// Raises <b>SourceRemoved</b> event.
/// </summary>
/// <param name="source">RTP source.</param>
private void OnSourceRemoved(RTP_Source source)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
if (this.SourceRemoved != null)
{
this.SourceRemoved(this, new RTP_SourceEventArgs(source));
}
}
/// <summary>
/// Default constructor.
/// </summary>
/// <param name="session">Owner RTP session.</param>
/// <param name="ssrc">Onwer synchronization source.</param>
/// <param name="packetSeqNo">RTP packet <b>SeqNo</b> value.</param>
/// <exception cref="ArgumentNullException">Is riased when <b>session</b> or <b>ssrc</b> is null reference.</exception>
internal RTP_ReceiveStream(RTP_Session session, RTP_Source ssrc, ushort packetSeqNo)
{
if (session == null)
{
throw new ArgumentNullException("session");
}
if (ssrc == null)
{
throw new ArgumentNullException("ssrc");
}
m_pSession = session;
m_pSSRC = ssrc;
// RFC 3550 A.1.
InitSeq(packetSeqNo);
m_MaxSeqNo = (ushort)(packetSeqNo - 1);
m_Probation = MIN_SEQUENTIAL;
}