private bool TryParseChunk(ref SequenceReader <byte> reader, out RtmpChunk chunk, out RtmpMessageEntry messageEntry)
{
messageEntry = null;
chunk = null;
_logger.LogDebug($"Before parsing chunk: Sequence Reader Length:{reader.Length}: Consumed:{reader.Consumed} Remaining:{reader.Remaining}");
var header = new RtmpChunkHeader();
if (!header.TryParse(ref reader))
{
return(false);
}
if (!_messageCache.TryGetValue(header.StreamId, out messageEntry))
{
messageEntry = new RtmpMessageEntry();
_messageCache.Add(header.StreamId, messageEntry);
}
var message = new RtmpMessageHeader();
if (!message.TryParse(ref reader, header.HeaderType, messageEntry.LastChunk?.Message))
{
return(false);
}
chunk = new RtmpChunk(header, message);
if (header.HeaderType != RtmpChunkHeaderType.Type3)
{
messageEntry.Length = chunk.Message.Length;
messageEntry.BytesRead = 0;
}
else
{
}
var chunkLength = Math.Min(messageEntry.BytesRemaining, _session.IncomingChunkLength);
if (!chunk.TryParseBody(ref reader, chunkLength))
{
return(false);
}
_logger.LogDebug($"After parsing chunk: Sequence Reader Length:{reader.Length}: Consumed:{reader.Consumed} Remaining:{reader.Remaining}");
_logger.LogDebug($"Parsed chunk Header :{chunk.Header}: Message: {chunk.Message}");
messageEntry.LastChunk = chunk;
return(true);
}
public static bool TryParseHeader(ref SequenceReader <byte> reader, out RtmpChunk chunk)
{
chunk = null;
var header = new RtmpChunkHeader();
if (!header.TryParse(ref reader))
{
return(false);
}
var message = new RtmpMessageHeader();
if (!message.TryParse(ref reader, header.HeaderType, previous: null))
{
return(false);
}
chunk = new RtmpChunk(header, message);
return(true);
}