Created
July 30, 2014 19:38
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| using System.Diagnostics; | |
| using System.IO; | |
| using System.Net.Sockets; | |
| using System.Threading; | |
| namespace RtpTest | |
| { | |
| class Program | |
| { | |
| static void AnnouncementThread() | |
| { | |
| byte[] announcement = | |
| { | |
| 0x20, 0x00, 0x7E, 0x58, 0x00, 0x00, 0x00, 0x00, 0x61, 0x70, 0x70, 0x6C, | |
| 0x69, 0x63, 0x61, 0x74, 0x69, 0x6F, 0x6E, 0x2F, 0x73, 0x64, 0x70, 0x00, | |
| 0x76, 0x3D, 0x30, 0x0A, 0x6F, 0x3D, 0x2D, 0x20, 0x30, 0x20, 0x30, 0x20, | |
| 0x49, 0x4E, 0x20, 0x49, 0x50, 0x34, 0x20, 0x2D, 0x0D, 0x0A, 0x73, 0x3D, | |
| 0x45, 0x75, 0x70, 0x68, 0x6F, 0x6E, 0x0D, 0x0A, 0x63, 0x3D, 0x49, 0x4E, | |
| 0x20, 0x49, 0x50, 0x34, 0x20, 0x30, 0x2E, 0x30, 0x2E, 0x30, 0x2E, 0x30, | |
| 0x2F, 0x32, 0x35, 0x35, 0x0D, 0x0A, 0x74, 0x3D, 0x30, 0x20, 0x30, 0x0D, | |
| 0x0A, 0x6D, 0x3D, 0x61, 0x75, 0x64, 0x69, 0x6F, 0x20, 0x35, 0x30, 0x30, | |
| 0x34, 0x20, 0x52, 0x54, 0x50, 0x2F, 0x41, 0x56, 0x50, 0x20, 0x31, 0x30, | |
| 0x0D, 0x0A | |
| }; | |
| using (var client = new UdpClient("192.168.0.103", 9875)) | |
| { | |
| client.Send(announcement, announcement.Length); | |
| Thread.Sleep(1000); | |
| } | |
| } | |
| static void Main() | |
| { | |
| new Thread(AnnouncementThread) { IsBackground = true }.Start(); | |
| //var timer = new Timer(null, null, 0, 10); | |
| var buffer = new byte[2000]; | |
| var sampleBuffer = new byte[2000]; | |
| uint timestamp = 0; | |
| ushort seqNo = 0; | |
| var ssrc = 3L; | |
| buffer[0] = 0x80; | |
| buffer[1] = 0x8a; | |
| buffer[8] = (byte)(ssrc >> 24); | |
| buffer[9] = (byte)(ssrc >> 16); | |
| buffer[10] = (byte)(ssrc >> 8); | |
| buffer[11] = (byte)ssrc; | |
| using (var udpClient = new UdpClient("192.168.0.103", 5004)) | |
| using (var input = File.OpenRead(@"foo.raw")) | |
| { | |
| const int frames = 441; | |
| var readTask = input.ReadAsync(sampleBuffer, 0, frames * 4); | |
| while (true) | |
| { | |
| buffer[2] = (byte)(seqNo >> 8); | |
| buffer[3] = (byte)seqNo; | |
| buffer[4] = (byte)(timestamp >> 24); | |
| buffer[5] = (byte)(timestamp >> 16); | |
| buffer[6] = (byte)(timestamp >> 8); | |
| buffer[7] = (byte)timestamp; | |
| var len = readTask.Result; | |
| if (len <= 0) | |
| break; | |
| var readFrames = len / 4; | |
| for (var i = 0; i < readFrames; i++) | |
| { | |
| buffer[12 + i * 4] = sampleBuffer[i * 4 + 1]; | |
| buffer[13 + i * 4] = sampleBuffer[i * 4]; | |
| buffer[14 + i * 4] = sampleBuffer[i * 4 + 3]; | |
| buffer[15 + i * 4] = sampleBuffer[i * 4 + 2]; | |
| } | |
| var sw = Stopwatch.StartNew(); | |
| var sendTask = udpClient.SendAsync(buffer, 12 + readFrames * 4); | |
| sendTask.ContinueWith(t => | |
| { | |
| if (sw.ElapsedMilliseconds > 5) | |
| System.Console.WriteLine(sw.ElapsedMilliseconds); | |
| }); | |
| seqNo++; | |
| timestamp += (uint)readFrames; | |
| buffer[1] = 0x0a; | |
| readTask = input.ReadAsync(sampleBuffer, 0, frames * 4); | |
| Thread.Sleep(10); | |
| } | |
| } | |
| } | |
| } | |
| } |
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