public bool CanHandleData(ByteBuffer data) {
if (data.Limit == 0)
return false;// Empty buffer
byte first = data.Get();
bool result = ((first & 0x0f) == VideoCodec.AVC.Id);
data.Rewind();
return result;
}
public bool AddData(ByteBuffer data) {
if (data.Limit == 0)
return true;
if (!CanHandleData(data))
return false;
data.Rewind();
byte frameType = data.Get();
data.Rewind();
if ((frameType & 0xf0) != VideoCodec.FLV_FRAME_KEY)
return true;// Not a keyframe
//If we don't have the AVCDecoderConfigurationRecord stored...
if (_blockDataAVCDCR == null) {
data.Get();//FT
data.Get();//CODECID
byte AVCPacketType = data.Get();
//Sequence Header / here comes a AVCDecoderConfigurationRecord
if (log.IsDebugEnabled)
log.Debug(string.Format("AVCPacketType: {0}", AVCPacketType));
if (AVCPacketType == 0) {
data.Rewind();
// Store AVCDecoderConfigurationRecord data
_dataCountAVCDCR = data.Limit;
if (_blockSizeAVCDCR < _dataCountAVCDCR) {
_blockSizeAVCDCR = _dataCountAVCDCR;
_blockDataAVCDCR = new byte[_blockSizeAVCDCR];
}
data.Read(_blockDataAVCDCR, 0, _dataCountAVCDCR);
}
}
data.Rewind();
// Store last keyframe
_dataCountLKF = data.Limit;
if (_blockSizeLKF < _dataCountLKF) {
_blockSizeLKF = _dataCountLKF;
_blockDataLKF = new byte[_blockSizeLKF];
}
data.Read(_blockDataLKF, 0, _dataCountLKF);
data.Rewind();
return true;
}
public static ByteBuffer ReturnMessage(byte pollingDelay, ByteBuffer data, RtmptRequest request) {
ByteBuffer buffer = ByteBuffer.Allocate((int)data.Length + 30);
StreamWriter sw = new StreamWriter(buffer);
int contentLength = data.Limit + 1;
if (request.HttpVersion == 1) {
sw.Write("HTTP/1.1 200 OK\r\n");
sw.Write("Cache-Control: no-cache\r\n");
} else {
sw.Write("HTTP/1.0 200 OK\r\n");
sw.Write("Pragma: no-cache\r\n");
}
sw.Write(string.Format("Content-Length: {0}\r\n", contentLength));
sw.Write("Connection: Keep-Alive\r\n");
sw.Write(string.Format("Content-Type: {0}\r\n", ContentType.RTMPT));
sw.Write("\r\n");
sw.Write((char)pollingDelay);
sw.Flush();
BinaryWriter bw = new BinaryWriter(buffer);
byte[] buf = data.ToArray();
bw.Write(buf);
bw.Flush();
return buffer;
}
public BufferStreamReader(ByteBuffer buffer) {
_buffer = buffer;
}
public Unknown(byte dataType, ByteBuffer data)
: base(EventType.SYSTEM) {
_dataType = dataType;
_data = data;
}
public Unknown(ByteBuffer data)
: base(EventType.SYSTEM) {
_dataType = Constants.TypeUnknown;
_data = data;
}
internal FlexStreamSend(ByteBuffer data)
: this() {
_data = data;
}