コード例 #1
0
ファイル: Program.cs プロジェクト: Hitchhikrr/Voip
        static void Main(string[] args)
        {
            UdpClient server = new UdpClient("172.16.41.174", 3001);
            RTPPacket rs = new RTPPacket();

            byte[] test = new byte[1000];
            for (int i = 0; i < 1000; i++)
                test[i] = (byte)i;
            rs = RTPPacket.BuildPacket(test);
            Console.WriteLine(rs.ToString());
            byte[] tosend = rs.GetBytes();
            string s;
            while (true)
            {
                server.Send(tosend, tosend.Length);
            }
            Console.Read();
        }
コード例 #2
0
ファイル: Program.cs プロジェクト: Hitchhikrr/Voip
        public static RTPPacket BuildPacket(byte[] bRecvData, int nOffset, int nLength)
        {
            RTPPacket packet = new RTPPacket();
            if (nLength < 12)
                return null;

            byte[] bRTPData = new byte[nLength];
            Array.Copy(bRecvData, nOffset, bRTPData, 0, nLength);

            packet.VersionPaddingHeaderCRSCCountByte = bRTPData[0];
            packet.MarkerPayloadByte = bRTPData[1];
            packet.SequenceNumber = (ushort)((bRTPData[2] << 8) | bRTPData[3]);
            packet.TimeStamp = (uint)((bRTPData[4] << 24) | (bRTPData[5] << 16) | (bRTPData[6] << 8) | (bRTPData[7]));
            packet.SSRC = (uint)((bRTPData[8] << 24) | (bRTPData[9] << 16) | (bRTPData[10] << 8) | (bRTPData[11]));

            int nByteAt = 12;
            for (int i = 0; i < packet.CRSCCount; i++)
            {
                if (bRTPData.Length < (nByteAt + 4))
                    return null;

                packet.CSRCList.Add((uint)((bRTPData[nByteAt++] << 24) | (bRTPData[nByteAt++] << 16) | (bRTPData[nByteAt++] << 8) | (bRTPData[nByteAt++])));
            }

            int nExtensionLen = 0;
            /// Read in extension data, if there
            if (packet.Extension == true)
            {
                /// ignore this for now, just copy to the data
                //nExtensionLen = pRTPHeader.
            }

            int nDataStartAt = 12 + 4 * packet.CRSCCount + nExtensionLen;
            int nBytesLeft = bRTPData.Length - nDataStartAt;

            /// Finally, let's find out what is next and add that as data
            if (nBytesLeft > 0)
            {
                packet.PayloadData = new byte[nBytesLeft];
                Array.Copy(bRTPData, nDataStartAt, packet.PayloadData, 0, nBytesLeft);
            }

            return packet;
        }