private RtmpHeader ReadHeader()
{
int num1 = (int)this._reader.ReadByte();
AmfReader reader = this._reader;
int chunkStreamId = RtmpPacketReader.GetChunkStreamId((byte)num1, reader);
int num2 = 6;
ChunkMessageHeaderType messageHeaderType = (ChunkMessageHeaderType)(num1 >> num2);
RtmpHeader rtmpHeader1 = new RtmpHeader();
rtmpHeader1.StreamId = chunkStreamId;
int num3 = (uint)messageHeaderType > 0U ? 1 : 0;
rtmpHeader1.IsTimerRelative = num3 != 0;
RtmpHeader rtmpHeader2 = rtmpHeader1;
RtmpHeader rtmpHeader3;
if (!this._rtmpHeaders.TryGetValue(chunkStreamId, out rtmpHeader3) && messageHeaderType != ChunkMessageHeaderType.New)
{
rtmpHeader3 = rtmpHeader2.Clone();
}
switch (messageHeaderType)
{
case ChunkMessageHeaderType.New:
rtmpHeader2.Timestamp = this._reader.ReadUInt24();
rtmpHeader2.PacketLength = this._reader.ReadUInt24();
rtmpHeader2.MessageType = (MessageType)this._reader.ReadByte();
rtmpHeader2.MessageStreamId = this._reader.ReadReverseInt();
break;
case ChunkMessageHeaderType.SameSource:
rtmpHeader2.Timestamp = this._reader.ReadUInt24();
rtmpHeader2.PacketLength = this._reader.ReadUInt24();
rtmpHeader2.MessageType = (MessageType)this._reader.ReadByte();
rtmpHeader2.MessageStreamId = rtmpHeader3.MessageStreamId;
break;
case ChunkMessageHeaderType.TimestampAdjustment:
rtmpHeader2.Timestamp = this._reader.ReadUInt24();
rtmpHeader2.PacketLength = rtmpHeader3.PacketLength;
rtmpHeader2.MessageType = rtmpHeader3.MessageType;
rtmpHeader2.MessageStreamId = rtmpHeader3.MessageStreamId;
break;
case ChunkMessageHeaderType.Continuation:
rtmpHeader2.Timestamp = rtmpHeader3.Timestamp;
rtmpHeader2.PacketLength = rtmpHeader3.PacketLength;
rtmpHeader2.MessageType = rtmpHeader3.MessageType;
rtmpHeader2.MessageStreamId = rtmpHeader3.MessageStreamId;
rtmpHeader2.IsTimerRelative = rtmpHeader3.IsTimerRelative;
break;
default:
throw new SerializationException("Unexpected header type: " + (object)(int)messageHeaderType);
}
if (rtmpHeader2.Timestamp == 16777215)
{
rtmpHeader2.Timestamp = this._reader.ReadInt32();
}
return(rtmpHeader2);
}
static RtmpEvent ReadCommandOrData(AmfReader r, Command command, RtmpHeader header = null)
{
var methodName = (string)r.ReadAmf0Item();
object temp = r.ReadAmf0Item();
if (header != null && methodName == "@setDataFrame")
{
command.ConnectionParameters = temp;
}
else
{
command.InvokeId = Convert.ToInt32(temp);
command.ConnectionParameters = r.ReadAmf0Item();
}
var parameters = new List <object>();
while (r.DataAvailable)
{
parameters.Add(r.ReadAmf0Item());
}
command.MethodCall = new Method(methodName, parameters.ToArray());
return(command);
}
public void Queue(RtmpEvent message, int streamId, int messageStreamId)
{
var header = new RtmpHeader();
var packet = new RtmpPacket(header, message);
header.StreamId = 0;
header.Timestamp = message.Timestamp;
header.MessageStreamId = messageStreamId;
header.MessageType = message.MessageType;
queuedPackets.Enqueue(packet);
packetAvailableEvent.Set();
}
private static ChunkMessageHeaderType GetMessageHeaderType(RtmpHeader header, RtmpHeader previousHeader)
{
if (previousHeader == null || header.MessageStreamId != previousHeader.MessageStreamId || !header.IsTimerRelative)
{
return(ChunkMessageHeaderType.New);
}
if (header.PacketLength != previousHeader.PacketLength || header.MessageType != previousHeader.MessageType)
{
return(ChunkMessageHeaderType.SameSource);
}
return(header.Timestamp == previousHeader.Timestamp ? ChunkMessageHeaderType.Continuation : ChunkMessageHeaderType.TimestampAdjustment);
}
static ChunkMessageHeaderType GetMessageHeaderType(RtmpHeader header, RtmpHeader previousHeader)
{
if (previousHeader == null || header.MessageStreamId != previousHeader.MessageStreamId || !header.IsTimerRelative)
return ChunkMessageHeaderType.New;
if (header.PacketLength != previousHeader.PacketLength || header.MessageType != previousHeader.MessageType)
return ChunkMessageHeaderType.SameSource;
if (header.Timestamp != previousHeader.Timestamp)
return ChunkMessageHeaderType.TimestampAdjustment;
return ChunkMessageHeaderType.Continuation;
}
private RtmpEvent ParsePacket(RtmpPacket packet, Func <AmfReader, RtmpEvent> handler)
{
AmfReader amfReader = new AmfReader((Stream) new MemoryStream(packet.Buffer, false), this._reader.SerializationContext);
RtmpHeader header = packet.Header;
RtmpEvent rtmpEvent = handler(amfReader);
RtmpHeader rtmpHeader = header;
rtmpEvent.Header = rtmpHeader;
int timestamp = header.Timestamp;
rtmpEvent.Timestamp = timestamp;
return(rtmpEvent);
}
public void Queue(RtmpEvent message, int streamId, int messageStreamId)
{
var header = new RtmpHeader();
var packet = new RtmpPacket(header, message);
header.StreamId = streamId;
header.Timestamp = message.Timestamp;
header.MessageStreamId = messageStreamId;
header.MessageType = message.MessageType;
if (message.Header != null)
header.IsTimerRelative = message.Header.IsTimerRelative;
queuedPackets.Enqueue(packet);
packetAvailableEvent.Set();
}
public void Queue(RtmpEvent message, int streamId, int messageStreamId)
{
RtmpHeader header = new RtmpHeader();
RtmpPacket rtmpPacket = new RtmpPacket(header, message);
header.StreamId = streamId;
header.Timestamp = message.Timestamp;
header.MessageStreamId = messageStreamId;
header.MessageType = message.MessageType;
if (message.Header != null)
{
header.IsTimerRelative = message.Header.IsTimerRelative;
}
this._queuedPackets.Enqueue(rtmpPacket);
this._packetAvailableEvent.Set();
}
public void Queue(RtmpEvent message, int streamId, int messageStreamId)
{
var header = new RtmpHeader();
var packet = new RtmpPacket(header, message);
header.StreamId = streamId;
header.Timestamp = message.Timestamp;
header.MessageStreamId = messageStreamId;
header.MessageType = message.MessageType;
if (message.Header != null)
{
header.IsTimerRelative = message.Header.IsTimerRelative;
}
queuedPackets.Enqueue(packet);
// packetAvailableEvent.Set();
Interlocked.Exchange(ref packetAvailable, 1);
}
void WriteMessageHeaderAsync(RtmpHeader header, RtmpHeader previousHeader)
{
var headerType = GetMessageHeaderType(header, previousHeader);
WriteBasicHeaderAsync(headerType, header.StreamId);
var uint24Timestamp = header.Timestamp < 0xFFFFFF ? header.Timestamp : 0xFFFFFF;
switch (headerType)
{
case ChunkMessageHeaderType.New:
writer.WriteUInt24Async(uint24Timestamp);
writer.WriteUInt24Async(header.PacketLength);
writer.WriteByteAsync((byte)header.MessageType);
writer.WriteReverseIntAsync(header.MessageStreamId);
break;
case ChunkMessageHeaderType.SameSource:
writer.WriteUInt24Async(uint24Timestamp);
writer.WriteUInt24Async(header.PacketLength);
writer.WriteByteAsync((byte)header.MessageType);
break;
case ChunkMessageHeaderType.TimestampAdjustment:
writer.WriteUInt24Async(uint24Timestamp);
break;
case ChunkMessageHeaderType.Continuation:
break;
default:
throw new ArgumentException("headerType");
}
if (uint24Timestamp >= 0xFFFFFF)
{
writer.WriteInt32Async(header.Timestamp);
}
}
public void ReadLoop()
{
try
{
while (this.Continue)
{
RtmpHeader header = this.ReadHeader();
this._rtmpHeaders[header.StreamId] = header;
RtmpPacket packet1;
if (!this._rtmpPackets.TryGetValue(header.StreamId, out packet1) || packet1 == null)
{
packet1 = new RtmpPacket(header);
this._rtmpPackets[header.StreamId] = packet1;
}
byte[] bytes = this._reader.ReadBytes(Math.Min(packet1.Length + (header.Timestamp >= 16777215 ? 4 : 0) - packet1.CurrentLength, this._readChunkSize));
packet1.AddBytes(bytes);
if (packet1.IsComplete)
{
this._rtmpPackets.Remove(header.StreamId);
RtmpEvent packet2 = this.ParsePacket(packet1);
this.OnEventReceived(new EventReceivedEventArgs(packet2));
ChunkSize chunkSize = packet2 as ChunkSize;
if (chunkSize != null)
{
this._readChunkSize = chunkSize.Size;
}
Abort abort = packet2 as Abort;
if (abort != null)
{
this._rtmpPackets.Remove(abort.StreamId);
}
}
}
}
catch (Exception ex)
{
this.OnDisconnected(new ExceptionalEventArgs("rtmp-packet-reader", ex));
}
}
private void WriteMessageHeader(RtmpHeader header, RtmpHeader previousHeader)
{
ChunkMessageHeaderType messageHeaderType = RtmpPacketWriter.GetMessageHeaderType(header, previousHeader);
this.WriteBasicHeader(messageHeaderType, header.StreamId);
int num = header.Timestamp < 16777215 ? header.Timestamp : 16777215;
switch (messageHeaderType)
{
case ChunkMessageHeaderType.New:
this._writer.WriteUInt24(num);
this._writer.WriteUInt24(header.PacketLength);
this._writer.WriteByte((byte)header.MessageType);
this._writer.WriteReverseInt(header.MessageStreamId);
goto case ChunkMessageHeaderType.Continuation;
case ChunkMessageHeaderType.SameSource:
this._writer.WriteUInt24(num);
this._writer.WriteUInt24(header.PacketLength);
this._writer.WriteByte((byte)header.MessageType);
goto case ChunkMessageHeaderType.Continuation;
case ChunkMessageHeaderType.TimestampAdjustment:
this._writer.WriteUInt24(num);
goto case ChunkMessageHeaderType.Continuation;
case ChunkMessageHeaderType.Continuation:
if (num < 16777215)
{
break;
}
this._writer.WriteInt32(header.Timestamp);
break;
default:
throw new ArgumentException("headerType");
}
}
private void WritePacket(RtmpPacket packet)
{
RtmpHeader header = packet.Header;
int streamId = header.StreamId;
RtmpEvent body = packet.Body;
byte[] messageBytes = this.GetMessageBytes(header, body);
header.PacketLength = messageBytes.Length;
RtmpHeader previousHeader;
this._rtmpHeaders.TryGetValue(streamId, out previousHeader);
this._rtmpHeaders[streamId] = header;
this._rtmpPackets[streamId] = packet;
this.WriteMessageHeader(header, previousHeader);
bool flag = true;
int index = 0;
while (index < header.PacketLength)
{
if (!flag)
{
this.WriteBasicHeader(ChunkMessageHeaderType.Continuation, header.StreamId);
}
int count = index + this._writeChunkSize > header.PacketLength ? header.PacketLength - index : this._writeChunkSize;
this._writer.Write(messageBytes, index, count);
flag = false;
index += this._writeChunkSize;
}
ChunkSize chunkSize = body as ChunkSize;
if (chunkSize == null)
{
return;
}
this._writeChunkSize = chunkSize.Size;
}
RtmpHeader ReadHeader()
{
// first byte of the chunk basic header
var chunkBasicHeaderByte = reader.ReadByte();
var chunkStreamId = GetChunkStreamId(chunkBasicHeaderByte, reader);
var chunkMessageHeaderType = (ChunkMessageHeaderType)(chunkBasicHeaderByte >> 6);
var header = new RtmpHeader()
{
StreamId = chunkStreamId,
IsTimerRelative = chunkMessageHeaderType != ChunkMessageHeaderType.New
};
RtmpHeader previousHeader;
// don't need to clone if new header, as it contains all info
if (!rtmpHeaders.TryGetValue(chunkStreamId, out previousHeader) && chunkMessageHeaderType != ChunkMessageHeaderType.New)
{
previousHeader = header.Clone();
}
switch (chunkMessageHeaderType)
{
// 11 bytes
case ChunkMessageHeaderType.New:
header.Timestamp = reader.ReadUInt24();
header.PacketLength = reader.ReadUInt24();
header.MessageType = (MessageType)reader.ReadByte();
header.MessageStreamId = reader.ReadReverseInt();
break;
// 7 bytes
case ChunkMessageHeaderType.SameSource:
header.Timestamp = reader.ReadUInt24();
header.PacketLength = reader.ReadUInt24();
header.MessageType = (MessageType)reader.ReadByte();
header.MessageStreamId = previousHeader.MessageStreamId;
break;
// 3 bytes
case ChunkMessageHeaderType.TimestampAdjustment:
header.Timestamp = reader.ReadUInt24();
header.PacketLength = previousHeader.PacketLength;
header.MessageType = previousHeader.MessageType;
header.MessageStreamId = previousHeader.MessageStreamId;
break;
// 0 bytes
case ChunkMessageHeaderType.Continuation:
header.Timestamp = previousHeader.Timestamp;
header.PacketLength = previousHeader.PacketLength;
header.MessageType = previousHeader.MessageType;
header.MessageStreamId = previousHeader.MessageStreamId;
header.IsTimerRelative = previousHeader.IsTimerRelative;
break;
default:
throw new SerializationException("Unexpected header type: " + (int)chunkMessageHeaderType);
}
// extended timestamp
if (header.Timestamp == 0xFFFFFF)
{
header.Timestamp = reader.ReadInt32();
}
return(header);
}
RtmpHeader ReadHeader()
{
// first byte of the chunk basic header
var chunkBasicHeaderByte = reader.ReadByte();
var chunkStreamId = GetChunkStreamId(chunkBasicHeaderByte, reader);
var chunkMessageHeaderType = (ChunkMessageHeaderType)(chunkBasicHeaderByte >> 6);
var header = new RtmpHeader()
{
StreamId = chunkStreamId,
IsTimerRelative = chunkMessageHeaderType != ChunkMessageHeaderType.New
};
RtmpHeader previousHeader;
// don't need to clone if new header, as it contains all info
if (!rtmpHeaders.TryGetValue(chunkStreamId, out previousHeader) && chunkMessageHeaderType != ChunkMessageHeaderType.New)
previousHeader = header.Clone();
switch (chunkMessageHeaderType)
{
// 11 bytes
case ChunkMessageHeaderType.New:
header.Timestamp = reader.ReadUInt24();
header.PacketLength = reader.ReadUInt24();
header.MessageType = (MessageType)reader.ReadByte();
header.MessageStreamId = reader.ReadReverseInt();
break;
// 7 bytes
case ChunkMessageHeaderType.SameSource:
header.Timestamp = reader.ReadUInt24();
header.PacketLength = reader.ReadUInt24();
header.MessageType = (MessageType)reader.ReadByte();
header.MessageStreamId = previousHeader.MessageStreamId;
break;
// 3 bytes
case ChunkMessageHeaderType.TimestampAdjustment:
header.Timestamp = reader.ReadUInt24();
header.PacketLength = previousHeader.PacketLength;
header.MessageType = previousHeader.MessageType;
header.MessageStreamId = previousHeader.MessageStreamId;
break;
// 0 bytes
case ChunkMessageHeaderType.Continuation:
header.Timestamp = previousHeader.Timestamp;
header.PacketLength = previousHeader.PacketLength;
header.MessageType = previousHeader.MessageType;
header.MessageStreamId = previousHeader.MessageStreamId;
header.IsTimerRelative = previousHeader.IsTimerRelative;
break;
default:
throw new SerializationException("Unexpected header type: " + (int)chunkMessageHeaderType);
}
// extended timestamp
if (header.Timestamp == 0xFFFFFF)
header.Timestamp = reader.ReadInt32();
return header;
}
public RtmpPacket(RtmpHeader header, RtmpEvent body) : this(header)
{
Body = body;
Length = header.PacketLength;
}
void WriteMessageHeader(RtmpHeader header, RtmpHeader previousHeader)
{
var headerType = GetMessageHeaderType(header, previousHeader);
WriteBasicHeader(headerType, header.StreamId);
var uint24Timestamp = header.Timestamp < 0xFFFFFF ? header.Timestamp : 0xFFFFFF;
switch (headerType)
{
case ChunkMessageHeaderType.New:
writer.WriteUInt24(uint24Timestamp);
writer.WriteUInt24(header.PacketLength);
writer.WriteByte((byte)header.MessageType);
writer.WriteReverseInt(header.MessageStreamId);
break;
case ChunkMessageHeaderType.SameSource:
writer.WriteUInt24(uint24Timestamp);
writer.WriteUInt24(header.PacketLength);
writer.WriteByte((byte)header.MessageType);
break;
case ChunkMessageHeaderType.TimestampAdjustment:
writer.WriteUInt24(uint24Timestamp);
break;
case ChunkMessageHeaderType.Continuation:
break;
default:
throw new ArgumentException("headerType");
}
if (uint24Timestamp >= 0xFFFFFF)
writer.WriteInt32(header.Timestamp);
}
byte[] GetMessageBytes(RtmpHeader header, RtmpEvent message)
{
switch (header.MessageType)
{
case MessageType.SetChunkSize:
return GetMessageBytes(message, (w, o) => w.WriteInt32(((ChunkSize)o).Size));
case MessageType.AbortMessage:
return GetMessageBytes(message, (w, o) => w.WriteInt32(((Abort)o).StreamId));
case MessageType.Acknowledgement:
return GetMessageBytes(message, (w, o) => w.WriteInt32(((Acknowledgement)o).BytesRead));
case MessageType.UserControlMessage:
return GetMessageBytes(message, (w, o) =>
{
var m = (UserControlMessage)o;
w.WriteUInt16((ushort)m.EventType);
foreach (var v in m.Values)
w.WriteInt32(v);
});
case MessageType.WindowAcknowledgementSize:
return GetMessageBytes(message, (w, o) => w.WriteInt32(((WindowAcknowledgementSize)o).Count));
case MessageType.SetPeerBandwith:
return GetMessageBytes(message, (w, o) =>
{
var m = (PeerBandwith)o;
w.WriteInt32(m.AcknowledgementWindowSize);
w.WriteByte((byte)m.LimitType);
});
case MessageType.Audio:
case MessageType.Video:
return GetMessageBytes(message, (w, o) => w.WriteBytes(((ByteData)o).Data));
case MessageType.DataAmf0:
return GetMessageBytes(message, (w, o) => WriteData(w, o, ObjectEncoding.Amf0));
case MessageType.SharedObjectAmf0:
return new byte[0]; // TODO: `SharedObject`s
case MessageType.CommandAmf0:
return GetMessageBytes(message, (w, o) => WriteCommandOrData(w, o, ObjectEncoding.Amf0));
case MessageType.DataAmf3:
return GetMessageBytes(message, (w, o) => WriteData(w, o, ObjectEncoding.Amf3));
case MessageType.SharedObjectAmf3:
return new byte[0]; // TODO: `SharedObject`s
case MessageType.CommandAmf3:
return GetMessageBytes(message, (w, o) =>
{
w.WriteByte(0);
WriteCommandOrData(w, o, ObjectEncoding.Amf3);
});
case MessageType.Aggregate:
// TODO: Aggregate messages
System.Diagnostics.Debugger.Break();
return new byte[0]; // TODO: `Aggregate`
default:
throw new ArgumentOutOfRangeException("Unknown RTMP message type: " + (int)header.MessageType);
}
}
RtmpHeader ReadHeader()
{
if (reader.underlying.BaseStream is NetworkStream)
{
var orig_stream = (NetworkStream)reader.underlying.BaseStream;
if (!orig_stream.DataAvailable)
{
return(null);
}
}
if (reader.underlying.BaseStream is SslStream)
{
var orig_stream = (SslStream)reader.underlying.BaseStream;
throw new NotImplementedException();
}
if (reader.underlying.BaseStream is WebsocketStream)
{
return(null);
//var orig_stream = (WebsocketStream)reader.underlying.BaseStream;
//if (!orig_stream.DataAvailable)
//{
// return null;
//}
}
// first byte of the chunk basic header
var chunkBasicHeaderByte = reader.ReadByte();
var chunkStreamId = GetChunkStreamId(chunkBasicHeaderByte, reader);
var chunkMessageHeaderType = (ChunkMessageHeaderType)(chunkBasicHeaderByte >> 6);
var header = new RtmpHeader()
{
StreamId = chunkStreamId,
IsTimerRelative = chunkMessageHeaderType != ChunkMessageHeaderType.New
};
RtmpHeader previousHeader;
// don't need to clone if new header, as it contains all info
if (!rtmpHeaders.TryGetValue(chunkStreamId, out previousHeader) && chunkMessageHeaderType != ChunkMessageHeaderType.New)
{
previousHeader = header.Clone();
}
switch (chunkMessageHeaderType)
{
// 11 bytes
case ChunkMessageHeaderType.New:
header.Timestamp = reader.ReadUInt24();
header.PacketLength = reader.ReadUInt24();
header.MessageType = (MessageType)reader.ReadByte();
header.MessageStreamId = reader.ReadReverseInt();
break;
// 7 bytes
case ChunkMessageHeaderType.SameSource:
header.Timestamp = reader.ReadUInt24();
header.PacketLength = reader.ReadUInt24();
header.MessageType = (MessageType)reader.ReadByte();
header.MessageStreamId = previousHeader.MessageStreamId;
break;
// 3 bytes
case ChunkMessageHeaderType.TimestampAdjustment:
header.Timestamp = reader.ReadUInt24();
header.PacketLength = previousHeader.PacketLength;
header.MessageType = previousHeader.MessageType;
header.MessageStreamId = previousHeader.MessageStreamId;
break;
// 0 bytes
case ChunkMessageHeaderType.Continuation:
header.Timestamp = previousHeader.Timestamp;
header.PacketLength = previousHeader.PacketLength;
header.MessageType = previousHeader.MessageType;
header.MessageStreamId = previousHeader.MessageStreamId;
header.IsTimerRelative = previousHeader.IsTimerRelative;
break;
default:
throw new SerializationException("Unexpected header type: " + (int)chunkMessageHeaderType);
}
// extended timestamp
if (header.Timestamp == 0xFFFFFF)
{
header.Timestamp = reader.ReadInt32();
}
return(header);
}
public RtmpPacket(RtmpHeader header)
{
Header = header;
Length = header.PacketLength;
Buffer = new byte[Length];
}
public RtmpPacket(RtmpHeader header, RtmpEvent body) : this(header)
{
Body = body;
Length = header.PacketLength;
}
public RtmpPacket(RtmpHeader header)
{
Header = header;
Length = header.PacketLength;
Buffer = new byte[Length];
}
private byte[] GetMessageBytes(RtmpHeader header, RtmpEvent message)
{
switch (header.MessageType)
{
case MessageType.SetChunkSize:
return(this.GetMessageBytes(message, (Action <AmfWriter, RtmpEvent>)((w, o) => w.WriteInt32(((ChunkSize)o).Size))));
case MessageType.AbortMessage:
return(this.GetMessageBytes(message, (Action <AmfWriter, RtmpEvent>)((w, o) => w.WriteInt32(((Abort)o).StreamId))));
case MessageType.Acknowledgement:
return(this.GetMessageBytes(message, (Action <AmfWriter, RtmpEvent>)((w, o) => w.WriteInt32(((Acknowledgement)o).BytesRead))));
case MessageType.UserControlMessage:
return(this.GetMessageBytes(message, (Action <AmfWriter, RtmpEvent>)((w, o) =>
{
UserControlMessage userControlMessage = (UserControlMessage)o;
w.WriteUInt16((ushort)userControlMessage.EventType);
foreach (int num in userControlMessage.Values)
{
w.WriteInt32(num);
}
})));
case MessageType.WindowAcknowledgementSize:
return(this.GetMessageBytes(message, (Action <AmfWriter, RtmpEvent>)((w, o) => w.WriteInt32(((WindowAcknowledgementSize)o).Count))));
case MessageType.SetPeerBandwidth:
return(this.GetMessageBytes(message, (Action <AmfWriter, RtmpEvent>)((w, o) =>
{
PeerBandwidth peerBandwidth = (PeerBandwidth)o;
w.WriteInt32(peerBandwidth.AcknowledgementWindowSize);
w.WriteByte((byte)peerBandwidth.LimitType);
})));
case MessageType.Audio:
case MessageType.Video:
return(this.GetMessageBytes(message, (Action <AmfWriter, RtmpEvent>)((w, o) => w.WriteBytes(((ByteData)o).Data))));
case MessageType.DataAmf3:
return(this.GetMessageBytes(message, (Action <AmfWriter, RtmpEvent>)((w, o) => this.WriteData(w, o, ObjectEncoding.Amf3))));
case MessageType.SharedObjectAmf3:
return(new byte[0]);
case MessageType.CommandAmf3:
return(this.GetMessageBytes(message, (Action <AmfWriter, RtmpEvent>)((w, o) =>
{
w.WriteByte((byte)0);
this.WriteCommandOrData(w, o, ObjectEncoding.Amf3);
})));
case MessageType.DataAmf0:
return(this.GetMessageBytes(message, (Action <AmfWriter, RtmpEvent>)((w, o) => this.WriteData(w, o, ObjectEncoding.Amf0))));
case MessageType.SharedObjectAmf0:
return(new byte[0]);
case MessageType.CommandAmf0:
return(this.GetMessageBytes(message, (Action <AmfWriter, RtmpEvent>)((w, o) => this.WriteCommandOrData(w, o, ObjectEncoding.Amf0))));
case MessageType.Aggregate:
Debugger.Break();
return(new byte[0]);
default:
throw new ArgumentOutOfRangeException("Unknown RTMP message type: " + (object)(int)header.MessageType);
}
}
byte[] GetMessageBytes(RtmpHeader header, RtmpEvent message)
{
switch (header.MessageType)
{
case MessageType.SetChunkSize:
return(GetMessageBytes(message, (w, o) => w.WriteInt32(((ChunkSize)o).Size)));
case MessageType.AbortMessage:
return(GetMessageBytes(message, (w, o) => w.WriteInt32(((Abort)o).StreamId)));
case MessageType.Acknowledgement:
return(GetMessageBytes(message, (w, o) => w.WriteInt32(((Acknowledgement)o).BytesRead)));
case MessageType.UserControlMessage:
return(GetMessageBytes(message, (w, o) =>
{
var m = (UserControlMessage)o;
w.WriteUInt16((ushort)m.EventType);
foreach (var v in m.Values)
{
w.WriteInt32(v);
}
}));
case MessageType.WindowAcknowledgementSize:
return(GetMessageBytes(message, (w, o) => w.WriteInt32(((WindowAcknowledgementSize)o).Count)));
case MessageType.SetPeerBandwith:
return(GetMessageBytes(message, (w, o) =>
{
var m = (PeerBandwidth)o;
w.WriteInt32(m.AcknowledgementWindowSize);
w.WriteByte((byte)m.LimitType);
}));
case MessageType.Audio:
case MessageType.Video:
return(GetMessageBytes(message, (w, o) => WriteData(w, o, ObjectEncoding.Amf0)));
case MessageType.DataAmf0:
return(GetMessageBytes(message, (w, o) => WriteCommandOrData(w, o, ObjectEncoding.Amf0)));
case MessageType.SharedObjectAmf0:
return(new byte[0]); // todo: `SharedObject`s
case MessageType.CommandAmf0:
return(GetMessageBytes(message, (w, o) => WriteCommandOrData(w, o, ObjectEncoding.Amf0)));
case MessageType.DataAmf3:
return(GetMessageBytes(message, (w, o) => WriteData(w, o, ObjectEncoding.Amf3)));
case MessageType.SharedObjectAmf3:
return(new byte[0]); // todo: `SharedObject`s
case MessageType.CommandAmf3:
return(GetMessageBytes(message, (w, o) =>
{
w.WriteByte(0);
WriteCommandOrData(w, o, ObjectEncoding.Amf3);
}));
case MessageType.Aggregate:
// todo: Aggregate messages
System.Diagnostics.Debugger.Break();
return(new byte[0]); // todo: `Aggregate`
default:
throw new ArgumentOutOfRangeException("Unknown RTMP message type: " + (int)header.MessageType);
}
}
public RtmpPacket(RtmpHeader header)
{
this.Header = header;
this.Length = header.PacketLength;
this.Buffer = new byte[this.Length];
}