/// <summary>
/// Calculate number of bytes necessary to encode the header.
/// </summary>
/// <param name="header">RTMP message header</param>
/// <param name="lastHeader">Previous header</param>
/// <returns>Calculated size</returns>
private static int CalculateHeaderSize(RtmpHeader header, RtmpHeader lastHeader)
{
HeaderType headerType = GetHeaderType(header, lastHeader);
int channelIdAdd;
if (header.ChannelId > 320)
{
channelIdAdd = 2;
}
else if (header.ChannelId > 63)
{
channelIdAdd = 1;
}
else
{
channelIdAdd = 0;
}
return(RtmpHeader.GetHeaderLength(headerType) + channelIdAdd);
}
