private void OnHeaderChanged(RTMPMessage msg)
{
var s = new MemoryStream();
using (s) {
using (var writer = new RTMPBinaryWriter(s, true)) {
writer.Write((byte)'F');
writer.Write((byte)'L');
writer.Write((byte)'V');
writer.Write((byte)1);
writer.Write((byte)5);
writer.WriteUInt32(9);
writer.WriteUInt32(0);
}
if (metadata != null)
{
WriteMessage(s, metadata, 0xFFFFFFFF);
}
if (audioHeader != null)
{
WriteMessage(s, audioHeader, 0xFFFFFFFF);
}
if (videoHeader != null)
{
WriteMessage(s, videoHeader, 0xFFFFFFFF);
}
}
streamIndex = TargetChannel.GenerateStreamID();
streamOrigin = DateTime.Now;
timestampOrigin = msg.Timestamp;
var bytes = s.ToArray();
ContentSink.OnContentHeader(new Content(streamIndex, TimeSpan.Zero, position, bytes, PCPChanPacketContinuation.None));
position += bytes.Length;
}
private void WriteMessage(Stream stream, RTMPMessage msg, long time_origin)
{
var timestamp = Math.Max(0, msg.Timestamp - time_origin);
using (var writer = new RTMPBinaryWriter(stream, true)) {
writer.Write((byte)msg.MessageType);
writer.WriteUInt24(msg.Body.Length);
writer.WriteUInt24((int)timestamp & 0xFFFFFF);
writer.Write((byte)((timestamp >> 24) & 0xFF));
writer.WriteUInt24(0);
writer.Write(msg.Body, 0, msg.Body.Length);
writer.Write(msg.Body.Length + 11);
}
}
