/// <summary>
/// Event handler for receiving data on the RTP channel.
/// </summary>
/// <param name="remoteEndPoint">The remote end point the data was received from.</param>
/// <param name="buffer">The data received.</param>
private void RtpPacketReceived(IPEndPoint remoteEndPoint, byte[] buffer)
{
if (m_lastReceiveFromEndPoint == null || !m_lastReceiveFromEndPoint.Equals(remoteEndPoint))
{
OnReceiveFromEndPointChanged?.Invoke(m_lastReceiveFromEndPoint, remoteEndPoint);
m_lastReceiveFromEndPoint = remoteEndPoint;
}
// Quick sanity check on whether this is not an RTP or RTCP packet.
if (buffer?.Length > RTPHeader.MIN_HEADER_LEN && buffer[0] >= 128 && buffer[0] <= 191)
{
var rtpPacket = new RTPPacket(buffer);
OnRtpPacketReceived?.Invoke(rtpPacket);
if (RemoteRtpEventPayloadID != 0 && rtpPacket.Header.PayloadType == RemoteRtpEventPayloadID)
{
RTPEvent rtpEvent = new RTPEvent(rtpPacket.Payload);
OnRtpEvent?.Invoke(rtpEvent);
}
else
{
OnReceivedSampleReady?.Invoke(rtpPacket.Payload);
}
}
}
/// <summary>
/// Processes received RTP packets.
/// </summary>
/// <param name="buffer">The raw data received on the RTP socket.</param>
/// <param name="offset">Offset in the buffer that the received data starts from.</param>
/// <param name="count">The number of bytes received.</param>
/// <param name="remoteEndPoint">The remote end point the receive was from.</param>
/// <returns>An RTP packet.</returns>
public RTPPacket RtpReceive(byte[] buffer, int offset, int count, IPEndPoint remoteEndPoint)
{
if (_lastReceiveFromEndPoint == null || !_lastReceiveFromEndPoint.Equals(remoteEndPoint))
{
OnReceiveFromEndPointChanged?.Invoke(_lastReceiveFromEndPoint, remoteEndPoint);
_lastReceiveFromEndPoint = remoteEndPoint;
}
return(new RTPPacket(buffer.Skip(offset).Take(count).ToArray()));
}
/// <summary>
/// Event handler for receiving data on the RTP channel.
/// </summary>
/// <param name="remoteEndPoint">The remote end point the data was received from.</param>
/// <param name="buffer">The data received.</param>
private void RtpPacketReceived(IPEndPoint remoteEndPoint, byte[] buffer)
{
if (m_lastReceiveFromEndPoint == null || !m_lastReceiveFromEndPoint.Equals(remoteEndPoint))
{
OnReceiveFromEndPointChanged?.Invoke(m_lastReceiveFromEndPoint, remoteEndPoint);
m_lastReceiveFromEndPoint = remoteEndPoint;
}
var rtpPacket = new RTPPacket(buffer);
OnRtpPacketReceived?.Invoke(rtpPacket);
if (m_remoteRtpEventPayloadID != 0 && rtpPacket.Header.PayloadType == m_remoteRtpEventPayloadID)
{
RTPEvent rtpEvent = new RTPEvent(rtpPacket.Payload);
OnRtpEvent?.Invoke(rtpEvent);
}
else
{
OnReceivedSampleReady?.Invoke(rtpPacket.Payload);
}
}