public override void Serialize(SerializationContext context)
{
int bytesNeed = (int)(Messages.Count * 11 + Messages.Sum(m => m.DataLength));
var buffer = _arrayPool.Rent(bytesNeed);
try
{
var span = buffer.AsSpan(0, bytesNeed);
int consumed = 0;
foreach (var message in Messages)
{
span[0] = (byte)message.Header.MessageType;
span = span.Slice(sizeof(byte));
NetworkBitConverter.TryGetUInt24Bytes((uint)message.Header.MessageLength, span);
span = span.Slice(3);
NetworkBitConverter.TryGetBytes(message.Header.Timestamp, span);
span = span.Slice(4);
NetworkBitConverter.TryGetUInt24Bytes((uint)MessageHeader.MessageStreamId, span);
span = span.Slice(3);
MessageBuffer.AsSpan(consumed, (int)message.Header.MessageLength).CopyTo(span);
consumed += (int)message.Header.MessageLength;
span = span.Slice((int)message.Header.MessageLength);
}
context.WriteBuffer.WriteToBuffer(span);
}
finally
{
_arrayPool.Return(buffer);
}
}
public byte[] MultiplexFlv(Message data)
{
var dataBuffer = new ByteBuffer();
var buffer = new byte[4];
if (data.MessageHeader.MessageLength == 0)
{
var messageBuffer = new ByteBuffer();
var context = new Networking.Rtmp.Serialization.SerializationContext()
{
Amf0Writer = _amf0Writer,
Amf3Writer = _amf3Writer,
WriteBuffer = messageBuffer
};
data.Serialize(context);
var length = messageBuffer.Length;
data.MessageHeader.MessageLength = (uint)length;
var bodyBuffer = new byte[length];
messageBuffer.TakeOutMemory(bodyBuffer);
dataBuffer.WriteToBuffer((byte)data.MessageHeader.MessageType);
NetworkBitConverter.TryGetUInt24Bytes(data.MessageHeader.MessageLength, buffer);
dataBuffer.WriteToBuffer(buffer.AsSpan(0, 3));
NetworkBitConverter.TryGetBytes(data.MessageHeader.Timestamp, buffer);
dataBuffer.WriteToBuffer(buffer.AsSpan(1, 3));
dataBuffer.WriteToBuffer(buffer.AsSpan(0, 1));
buffer.AsSpan().Clear();
dataBuffer.WriteToBuffer(buffer.AsSpan(0, 3));
dataBuffer.WriteToBuffer(bodyBuffer);
}
else
{
dataBuffer.WriteToBuffer((byte)data.MessageHeader.MessageType);
NetworkBitConverter.TryGetUInt24Bytes(data.MessageHeader.MessageLength, buffer);
dataBuffer.WriteToBuffer(buffer.AsSpan(0, 3));
NetworkBitConverter.TryGetBytes(data.MessageHeader.Timestamp, buffer);
dataBuffer.WriteToBuffer(buffer.AsSpan(1, 3));
dataBuffer.WriteToBuffer(buffer.AsSpan(0, 1));
buffer.AsSpan().Clear();
dataBuffer.WriteToBuffer(buffer.AsSpan(0, 3));
var context = new Networking.Rtmp.Serialization.SerializationContext()
{
Amf0Writer = _amf0Writer,
Amf3Writer = _amf3Writer,
WriteBuffer = dataBuffer
};
data.Serialize(context);
}
NetworkBitConverter.TryGetBytes((data.MessageHeader.MessageLength + 11), buffer);
dataBuffer.WriteToBuffer(buffer);
var rawData = new byte[dataBuffer.Length];
dataBuffer.TakeOutMemory(rawData);
return(rawData);
}