/// <summary>
/// Sends the flv tag to the RTMP server.
/// </summary>
/// <param name="tagData"></param>
/// <param name="tag"></param>
public override bool sendFLVTag(byte[] tagData, FLVTag tag)
{
if (!isConnected)
{
return(false);
}
outputBuff.Position = 0;
chunkBuff.Position = 0;
AMFHeader header = new AMFHeader(AMFHeader.HEADER_12, 0x8);
header.RTMPType = AMFHeader.RTMP_TYPE_VIDEO;
header.TimeStamp = tag.TimeStamp;
header.EndPoint = 0x00000001;
header.BodySize = tag.getTagSizeInBytes() - 11;
//write the header to teh chunkbuffer
header.writeHeader(chunkBuff);
//the size remaining in the data buffer
int size = tag.getTagSizeInBytes() - 11;
//the position in the data buffer (from which to start sending bytes)
int position = 0;
//write the header to the chunk buffer
header.writeHeader(chunkBuff);
//copy <= 128 bytes from the tagData into the chunk buffer to send.
Array.Copy(tagData, 11, chunk_buffer, header.getHeaderSize(),
size > 128 ? 128 : size);
//send the first packet of information
connectionSocket.Send(chunk_buffer,
(header.getHeaderSize() + (size > 128 ? 128 : size)),
SocketFlags.None);
size -= 128;
position += 128 + 11;
//while there is still bytes
while (size > 0)
{
//add a header byte
byte t = tagData[position - 1];
tagData[position - 1] = header.get_1_HeaderByte();
//send out the data
connectionSocket.Send(tagData, position - 1,
size > 128 ? 129 : size + 1, SocketFlags.None);
//restore where the header was
tagData[position - 1] = t;
position += 128;
size -= 128;
}
return(true);
}
/// <summary>
/// Sends the current buffer using data_buffer as the source of data. The size
/// is determined from the position in outputBuff.
/// </summary>
/// <param name="header">The header to prepend to the amf packet.</param>
private void chunkBufferAndSend(AMFHeader header)
{
//the size remaining in the data buffer
int size = (int)outputBuff.Position;
//the position in the data buffer (from which to start sending bytes)
int position = 0;
//reset the chunkBuff position
chunkBuff.Position = 0;
//write the header to the chunk buffer
header.writeHeader(chunkBuff);
//copy <= 128 bytes from the data buffer into the chunk buffer to send.
Array.Copy(dataBuffer, 0, chunk_buffer, header.getHeaderSize(),
size > 128 ? 128 : size);
//send the first packet of information
connectionSocket.Send(chunk_buffer,
(header.getHeaderSize() + (size > 128 ? 128 : size)),
SocketFlags.None);
size -= 128;
position += 128;
while (size > 0)
{
//add a header byte
dataBuffer[position - 1] = header.get_1_HeaderByte();
//send out the data
connectionSocket.Send(dataBuffer, position - 1,
size > 128 ? 129 : size + 1, SocketFlags.None);
position += 128;
size -= 128;
}
}
