protected override void Encode(IChannelHandlerContext context, string message, IByteBuffer output)
{
if (!output.IsWritable())
{
logger.Debug("Output is not writable");
return;
}
if (string.IsNullOrEmpty(message))
{
logger.Debug("Can't encode an empty or null string");
return;
}
message += " ";
var tmp = Encoding.UTF8.GetBytes(message);
for (var i = 0; i < message.Length; i++)
{
tmp[i] = Convert.ToByte(tmp[i] + 15);
}
tmp[^ 1] = 25;
public bool IsWritable() => Buf.IsWritable();
protected override void Decode(IChannelHandlerContext context, IByteBuffer input, List <object> output)
{
var state = State;
if (state == DecodeState.NONE)
{
Checkpoint(DecodeState.STATE_HEADER);
}
else if (state == DecodeState.STATE_HEADER)
{
RtmpHeader rtmpHeader = ReadHeader(input);
completeHeader(rtmpHeader);
_currentCsid = rtmpHeader.Csid;
// initialize the payload
if (rtmpHeader.Fmt != Constants.CHUNK_FMT_3)
{
IByteBuffer buffer = Unpooled.Buffer(rtmpHeader.MessageLength, rtmpHeader.MessageLength);
inCompletePayload.Remove(rtmpHeader.Csid);
prevousHeaders.Remove(rtmpHeader.Csid);
inCompletePayload.Add(rtmpHeader.Csid, buffer);
prevousHeaders.Add(rtmpHeader.Csid, rtmpHeader);
}
_currentPayload = inCompletePayload.GetValueOrDefault(rtmpHeader.Csid);
if (_currentPayload == null)
{
RtmpHeader previousHeader = prevousHeaders.GetValueOrDefault(rtmpHeader.Csid);
_currentPayload = Unpooled.Buffer(previousHeader.MessageLength, previousHeader.MessageLength);
inCompletePayload.Add(rtmpHeader.Csid, _currentPayload);
}
Checkpoint(DecodeState.STATE_PAYLOAD);
}
else if (state == DecodeState.STATE_PAYLOAD)
{
byte[] bytes = new byte[Math.Min(_currentPayload.WritableBytes, _clientChunkSize)];
input.ReadBytes(bytes);
_currentPayload.WriteBytes(bytes);
Checkpoint(DecodeState.STATE_HEADER);
if (_currentPayload.IsWritable())
{
return;
}
inCompletePayload.Remove(_currentCsid, out IByteBuffer byteBuffer);
IByteBuffer payload = _currentPayload;
RtmpHeader header = prevousHeaders.GetValueOrDefault(_currentCsid);
var msg = RtmpMessageDecoder.Decode(header, payload);
if (msg == null)
{
return;
}
if (msg is SetChunkSize)
{
var scs = (SetChunkSize)msg;
_clientChunkSize = scs.ChunkSize;
}
else
{
output.Add(msg);
}
}
}
