public static ParitySenderPacketData Parse(byte[] packetBytes)
{
var reader = new BinaryReader(new MemoryStream(packetBytes));
reader.BaseStream.Position = 5;
var fecSenderPacketData = new ParitySenderPacketData();
fecSenderPacketData.frameId = reader.ReadInt32();
fecSenderPacketData.packetIndex = reader.ReadInt32();
fecSenderPacketData.packetCount = reader.ReadInt32();
fecSenderPacketData.bytes = reader.ReadBytes(packetBytes.Length - (int)reader.BaseStream.Position);
return(fecSenderPacketData);
}
private static void CollectPacket(UdpSocketPacket packet, SenderPacketCollection senderPacketCollection)
{
int senderSessionId = PacketHelper.getSessionIdFromSenderPacketBytes(packet.Bytes);
SenderPacketType packetType = PacketHelper.getPacketTypeFromSenderPacketBytes(packet.Bytes);
if (packetType == SenderPacketType.Confirm)
{
senderPacketCollection.ConfirmPacketInfoList.Add(new ConfirmPacketInfo(packet.EndPoint, senderSessionId, ConfirmSenderPacketData.Parse(packet.Bytes)));
return;
}
SenderPacketSet senderPacketSet;
if (!senderPacketCollection.SenderPacketSets.TryGetValue(senderSessionId, out senderPacketSet))
{
return;
}
// Heartbeat packets turns on ReceivedAny.
senderPacketSet.ReceivedAny = true;
switch (packetType)
{
case SenderPacketType.VideoInit:
senderPacketSet.InitPacketDataList.Add(VideoInitSenderPacketData.Parse(packet.Bytes));
break;
case SenderPacketType.Frame:
senderPacketSet.VideoPacketDataList.Add(VideoSenderPacketData.Parse(packet.Bytes));
break;
case SenderPacketType.Parity:
senderPacketSet.FecPacketDataList.Add(ParitySenderPacketData.Parse(packet.Bytes));
break;
case SenderPacketType.Audio:
senderPacketSet.AudioPacketDataList.Add(AudioSenderPacketData.Parse(packet.Bytes));
break;
case SenderPacketType.Floor:
senderPacketSet.FloorPacketDataList.Add(FloorSenderPacketData.Parse(packet.Bytes));
break;
}
}
public static SenderPacketSet Receive(UdpSocket udpSocket)
{
var senderPacketSet = new SenderPacketSet();
while (true)
{
var packet = udpSocket.Receive();
if (packet == null)
{
break;
}
//int sessionId = PacketHelper.getSessionIdFromSenderPacketBytes(packet);
senderPacketSet.ReceivedAny = true;
switch (PacketHelper.getPacketTypeFromSenderPacketBytes(packet))
{
case SenderPacketType.Init:
senderPacketSet.InitPacketDataList.Add(InitSenderPacketData.Parse(packet));
break;
case SenderPacketType.Frame:
senderPacketSet.VideoPacketDataList.Add(VideoSenderPacketData.Parse(packet));
break;
case SenderPacketType.Parity:
senderPacketSet.FecPacketDataList.Add(ParitySenderPacketData.Parse(packet));
break;
case SenderPacketType.Audio:
senderPacketSet.AudioPacketDataList.Add(AudioSenderPacketData.Parse(packet));
break;
case SenderPacketType.Floor:
senderPacketSet.FloorPacketDataList.Add(FloorSenderPacketData.Parse(packet));
break;
}
}
return(senderPacketSet);
}
