public void CanConvertMuLawToSuggestedPcm()
{
using (WaveStream stream = WaveFormatConversionStream.CreatePcmStream(
new NullWaveStream(WaveFormat.CreateMuLawFormat(8000, 1), 1000)))
{
}
}
// Encode G.711
private void button2_Click(object sender, EventArgs e)
{
try {
if (this.currentAudio == null)
{
throw new Exception("Вы не выбрали файл для кодирования.");
}
if (codecToEncode.SelectedItem == null)
{
throw new Exception("Вы не выбрали кодэк.");
}
} catch (Exception ex) {
MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
SaveFileDialog save = new SaveFileDialog();
save.Filter = "Wave File (*.wav)|*.wav;";
if (save.ShowDialog() != DialogResult.OK)
{
return;
}
Codecs codec = (codecToEncode.SelectedIndex == 0) ? Codecs.ALAW : Codecs.MULAW;
byte[] samples = new byte[this.currentAudio.ShortSamples.Length];
for (int i = 0; i < this.currentAudio.ShortSamples.Length; i++)
{
if (codec == Codecs.ALAW)
{
samples[i] = ALawEncoder.LinearToALawSample(this.currentAudio.ShortSamples[i]);
}
else if (codec == Codecs.MULAW)
{
samples[i] = MuLawEncoder.LinearToMuLawSample(this.currentAudio.ShortSamples[i]);
}
}
WaveFormat format = null;
if (codec == Codecs.ALAW)
{
format = WaveFormat.CreateALawFormat(this.currentAudio.SampleRate, this.currentAudio.Stream.WaveFormat.Channels);
}
else if (codec == Codecs.MULAW)
{
format = WaveFormat.CreateMuLawFormat(this.currentAudio.SampleRate, this.currentAudio.Stream.WaveFormat.Channels);
}
WaveFileWriter writer = new WaveFileWriter(save.FileName, format);
writer.Write(samples, 0, samples.Length);
writer.Close();
DialogResult dres = MessageBox.Show("Аудиофайл успешно сохранен. Открыть файл?", "Файл сохранен", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (dres == DialogResult.Yes)
{
this.decodeG711(save.FileName, codec);
}
}
public static void GenerateAudioStream(byte[] buffer, MemoryStream memoryStream)
{
// define the audio file type
var waveFormat = WaveFormat.CreateMuLawFormat(8000, 1);
// use WaveFileWriter to convert the audio file buffer and write it into a memory stream
using (var waveFileWriter = new WaveFileWriter(new IgnoreDisposeStream(memoryStream), waveFormat))
{
waveFileWriter.Write(buffer, 0, buffer.Length);
waveFileWriter.Flush();
}
}
private static void TestMp3()
{
string mp3File = @".\TestAudio\speech_20200512013308591.mp3";
string outputFile = @".\TestAudio\output-from-mp3.wav";
using (Mp3FileReader reader = new Mp3FileReader(mp3File))
{
using (WaveStream pcmStream = WaveFormatConversionStream.CreatePcmStream(reader))
{
WaveFileWriter.CreateWaveFile(outputFile, pcmStream);
}
}
return;
Dictionary <uint, byte[]> audioBytes = new Dictionary <uint, byte[]>();
uint timestamp = 0;
string file = @".\TestAudio\speech_20200512013308591.mp3";
//var pcmFormat = new WaveFormat(8000, 16, 1);
var ulawFormat = WaveFormat.CreateMuLawFormat(8000, 1);
using (var pcmStm = WaveFormatConversionStream.CreatePcmStream(new Mp3FileReader(file)))
{
using (WaveFormatConversionStream ulawStm = new WaveFormatConversionStream(ulawFormat, pcmStm))
{
byte[] buffer = new byte[160];
int bytesRead = ulawStm.Read(buffer, 0, 160);
while (bytesRead > 0)
{
byte[] sample = new byte[bytesRead];
Array.Copy(buffer, sample, bytesRead);
//m_rtpChannel.AddSample(sample);
audioBytes.Add(timestamp, sample);
timestamp += 160;
bytesRead = ulawStm.Read(buffer, 0, 160);
}
}
}
//WaveFileWriter.CreateWaveFile(tempFile, WaveP);
string fileName = @".\TestAudio\output.wav";
using (WaveFileWriter writer = new WaveFileWriter(fileName, ulawFormat))
{
var testSequence = audioBytes.SelectMany(p => p.Value).ToArray();
writer.Write(testSequence, 0, testSequence.Length);
}
}
public void Start(int sessionId)
{
this.sessionId = sessionId;
var location = Assembly.GetEntryAssembly().Location;
var directory = Path.GetDirectoryName(location);
filename = string.Format("Recordings/{0}.wav", sessionId);
path = string.Format(@"{0}/{1}", directory, filename);
format = WaveFormat.CreateMuLawFormat(8000, 1);
writer = new WaveFileWriter(filename, format);
recording = true;
}
public MuLawStream(bool debug = false)
{
_debug = debug;
if (_debug)
{
_outputStream = new BufferedWaveProvider(WaveFormat.CreateMuLawFormat(8000, 1))
{
// There is data loss if you change the buffer duration from the default.
// _sourceStream.BufferDuration = TimeSpan.FromMilliseconds(200),
DiscardOnBufferOverflow = true,
// If we don't set this to false we'll simply fill up disk space with zeros.
ReadFully = false
};
}
}
private static void TestWav()
{
Dictionary <uint, byte[]> audioBytes = new Dictionary <uint, byte[]>();
uint timestamp = 0;
string file = @".\TestAudio\output-from-mp3.wav";
var pcmFormat = new WaveFormat(8000, 16, 1);
var ulawFormat = WaveFormat.CreateMuLawFormat(8000, 1);
using (WaveFormatConversionStream pcmStm = new WaveFormatConversionStream(pcmFormat, new WaveFileReader(file)))
{
using (WaveFormatConversionStream ulawStm = new WaveFormatConversionStream(ulawFormat, pcmStm))
{
byte[] buffer = new byte[160];
int bytesRead = ulawStm.Read(buffer, 0, 160);
while (bytesRead > 0)
{
byte[] sample = new byte[bytesRead];
Array.Copy(buffer, sample, bytesRead);
//m_rtpChannel.AddSample(sample);
audioBytes.Add(timestamp, sample);
timestamp += 160;
bytesRead = ulawStm.Read(buffer, 0, 160);
}
}
}
string fileName = @".\TestAudio\output-from-wav.wav";
using (WaveFileWriter writer = new WaveFileWriter(fileName, ulawFormat))
{
var testSequence = audioBytes.SelectMany(p => p.Value).ToArray();
writer.Write(testSequence, 0, testSequence.Length);
}
}
private void GetAudioSamples()
{
////var pcmStream = WaveFormatConversionStream.CreatePcmStream(new Mp3FileReader("whitelight.mp3"));
//var pcmStream = new WaveFileReader("whitelight-ulaw.wav");
//byte[] sampleBuffer = new byte[160];
//int bytesRead = pcmStream.Read(sampleBuffer, 0, 160);
////int bytesRead = m_rawRTPPayloadReader.BaseStream.Read(sampleBuffer, 0, 160);
//while (bytesRead > 0)
//{
// m_rtpChannel.AddSample(sampleBuffer);
// bytesRead = pcmStream.Read(sampleBuffer, 0, 160);
// //bytesRead = m_rawRTPPayloadReader.BaseStream.Read(sampleBuffer, 0, 160);
//}
var pcmFormat = new WaveFormat(8000, 16, 1);
var ulawFormat = WaveFormat.CreateMuLawFormat(8000, 1);
using (WaveFormatConversionStream pcmStm = new WaveFormatConversionStream(pcmFormat, new Mp3FileReader("whitelight.mp3")))
{
using (WaveFormatConversionStream ulawStm = new WaveFormatConversionStream(ulawFormat, pcmStm))
{
byte[] buffer = new byte[160];
int bytesRead = ulawStm.Read(buffer, 0, 160);
while (bytesRead > 0)
{
byte[] sample = new byte[bytesRead];
Array.Copy(buffer, sample, bytesRead);
m_rtpChannel.Send(sample, 20);
bytesRead = ulawStm.Read(buffer, 0, 160);
}
}
}
logger.Debug("Finished adding audio samples.");
}
private void btnStopRecord1_Click(object sender, EventArgs e)
{
timerClock.Stop();
audioCapture a = new audioCapture();
a.OnRecordingStopped(sender, null);
//This create the wave output that is shown on the screen
var waveFormat = WaveFormat.CreateMuLawFormat(8000, 1);
using (var x = new RawSourceWaveStream(audioStream1, waveFormat))
{
waveViewerSample1.WaveStream = x;
}
//Enable/Disable the buttons as required
setValidStream(true);
//Show the length of the sample for the user to see
double sampleLength = (audioCapture.recordingEnded - audioCapture.recordingStarted).TotalMilliseconds * 0.001;
lblSample1Length.Text = Math.Round(sampleLength, 2).ToString();
}
private void button1_Click(object sender, EventArgs e)
{
if (string.IsNullOrWhiteSpace(inFile) || string.IsNullOrWhiteSpace(textBox2.Text))
{
MessageBox.Show("select an input/output first!"); return;
}
#region get error "NoDriver calling acmFormatSuggest": http://stackoverflow.com/questions/5652388/naudio-error-nodriver-calling-acmformatsuggest
//using (var reader = new WaveFileReader(inFile))
//using (var converter = WaveFormatConversionStream.CreatePcmStream(reader))
//{
// WaveFileWriter.CreateWaveFile(textBox2.Text, converter);
//}
#endregion
#region use command line converter : search for "Converting Audio Without ACM or MFT" : https://www.codeproject.com/Articles/501521/How-to-convert-between-most-audio-formats-in-NET
////var lamepath = @"C:\Users\Mark\Apps\lame.exe";
////var lamepath = @"C:\Users\323122960\Documents\Projects\UoT - audio files\Codec\extract msi\PlaybackInstallation\Verint\Playback\CommandLineConvertor.exe";
//var lamepath = @"C:\Users\323122960\Documents\Projects\UoT - audio files\Codec\exe from - se442028-Logs-Yufen_SHS Log-VerintPlayback\CommandLineConvertor.exe";
////var lamepath = @"C:\Users\323122960\Documents\Projects\UoT - audio files\Codec\Solution_1\ffmpeg-0.5\ffmpeg-0.5\ffmpeg.exe";
//Process p = new Process();
//p.StartInfo.FileName = lamepath; //1st arg in cmd line, other args assigned to p.StartInfo.Arguments ="";
//p.StartInfo.UseShellExecute = false;
//p.StartInfo.Arguments = String.Format("-b 128 \"{0}\" \"{1}\"", inFile, outFile);
//p.StartInfo.CreateNoWindow = true;
//p.Start();
#endregion
#region MuLawDecoder : http://stackoverflow.com/questions/9551011/naudio-decoding-ulaw-to-pcm
//byte[] bytes = System.IO.File.ReadAllBytes(inFile);
//using (var writer = new WaveFileWriter(textBox2.Text, new WaveFormat(8000, 16, 1)))
////using(var reader = new WaveFileReader(inFile))
////using(byte waveByte = new WaveFileReader(inFile).ReadByte())
//for(int i=0;i<bytes.Length;i++)
//{
// short pcm = MuLawDecoder.MuLawToLinearSample(bytes[i]);
// writer.WriteByte
//}
#endregion
#region get 16bit http://stackoverflow.com/questions/6647730/change-wav-file-to-16khz-and-8bit-with-using-naudio
//using (var reader = new WaveFileReader(inFile))
//{
// var newFormat = new WaveFormat(8000, 16, 1);
// using (var conversionStream = new WaveFormatConversionStream(newFormat, reader)) //using() does the .Close() implicitly
// {
// WaveFileWriter.CreateWaveFile(outFile, conversionStream);
// }
//}
#endregion
#region Working SOlution BUT outFile is just noise! : http://stackoverflow.com/questions/6647730/change-wav-file-to-16khz-and-8bit-with-using-naudio ...http://stackoverflow.com/questions/6647730/change-wav-file-to-16khz-and-8bit-with-using-naudio
////for error "ACM format not possible"et : http://stackoverflow.com/questions/13628145/acmnotpossible-calling-acmstreamopen-naudio
////http://stackoverflow.com/questions/6951949/how-to-decode-rtp-packets-and-save-it-has-wav-file
////converted file is just a noise/sizzle : http://stackoverflow.com/questions/6647730/change-wav-file-to-16khz-and-8bit-with-using-naudio
FileStream fileStream = new FileStream(inFile, FileMode.Open);
//WaveFileReader streanSansRIFF = new WaveFileReader(fileStream);//inserted this to read ONLY actual audio part of file. STream will read even metadata RIFF header as if it was audio data
var waveFormat = WaveFormat.CreateMuLawFormat(8000, 2);//2 is channel=steroe, 1=mono. No other value!!
var reader = new RawSourceWaveStream(fileStream, waveFormat);
using (WaveStream convertedStream = WaveFormatConversionStream.CreatePcmStream(reader))
//using(var upsampler = new WaveFormatConversionStream(new WaveFormat(8000, 16, 1) , convertedStream))
//using (ISampleProvider convertedStream = WaveFormatConversionStream.CreatePcmStream(reader))
{
//WaveFileWriter.CreateWaveFile(inFile.Replace("vox", "wav"), convertedStream);//http://stackoverflow.com/questions/6647730/change-wav-file-to-16khz-and-8bit-with-using-naudio
WaveFileWriter.CreateWaveFile(textBox2.Text, convertedStream);
//WaveFileWriter.CreateWaveFile16(textBox2.Text, convertedStream);//http://stackoverflow.com/questions/22869594/how-to-play-isampleprovider
}
fileStream.Close();
#endregion
}
private static async Task SendRtp(RTPSession rtpSession, IPEndPoint dstRtpEndPoint, string audioFileName, CancellationTokenSource cts)
{
try
{
string audioFileExt = Path.GetExtension(audioFileName).ToLower();
switch (audioFileExt)
{
case ".g722":
case ".ulaw":
{
uint timestamp = 0;
using (StreamReader sr = new StreamReader(audioFileName))
{
byte[] buffer = new byte[320];
int bytesRead = sr.BaseStream.Read(buffer, 0, buffer.Length);
while (bytesRead > 0 && !cts.IsCancellationRequested)
{
if (!dstRtpEndPoint.Address.Equals(IPAddress.Any))
{
rtpSession.SendAudioFrame(timestamp, buffer);
}
timestamp += (uint)buffer.Length;
await Task.Delay(40, cts.Token);
bytesRead = sr.BaseStream.Read(buffer, 0, buffer.Length);
}
}
}
break;
case ".mp3":
{
var pcmFormat = new WaveFormat(8000, 16, 1);
var ulawFormat = WaveFormat.CreateMuLawFormat(8000, 1);
uint timestamp = 0;
using (WaveFormatConversionStream pcmStm = new WaveFormatConversionStream(pcmFormat, new Mp3FileReader(audioFileName)))
{
using (WaveFormatConversionStream ulawStm = new WaveFormatConversionStream(ulawFormat, pcmStm))
{
byte[] buffer = new byte[320];
int bytesRead = ulawStm.Read(buffer, 0, buffer.Length);
while (bytesRead > 0 && !cts.IsCancellationRequested)
{
byte[] sample = new byte[bytesRead];
Array.Copy(buffer, sample, bytesRead);
if (dstRtpEndPoint.Address != IPAddress.Any)
{
rtpSession.SendAudioFrame(timestamp, buffer);
}
timestamp += (uint)buffer.Length;
await Task.Delay(40, cts.Token);
bytesRead = ulawStm.Read(buffer, 0, buffer.Length);
}
}
}
}
break;
default:
throw new NotImplementedException($"The {audioFileExt} file type is not understood by this example.");
}
}
catch (OperationCanceledException) { }
catch (Exception excp)
{
SIPSorcery.Sys.Log.Logger.LogError($"Exception sending RTP. {excp.Message}");
}
}
public AudioInfo Synthesize(string text)
{
Dictionary <uint, byte[]> audioBytes = new Dictionary <uint, byte[]>();
var ulawFormat = WaveFormat.CreateMuLawFormat(8000, 1);
string tempFile = Path.GetTempFileName();
try
{
SynthesizeSpeechRequest sreq = new SynthesizeSpeechRequest();
sreq.Text = text;
sreq.OutputFormat = OutputFormat.Mp3;
sreq.VoiceId = VoiceId.Salli;
SynthesizeSpeechResponse sres = _amazonPolly.SynthesizeSpeechAsync(sreq).GetAwaiter().GetResult();
using (var pollyMemoryStream = new MemoryStream())
{
sres.AudioStream.CopyTo(pollyMemoryStream);
pollyMemoryStream.Flush();
pollyMemoryStream.Position = 0;
using (Mp3FileReader reader = new Mp3FileReader(pollyMemoryStream, wave => new DmoMp3FrameDecompressor(wave)))
{
using (WaveStream pcmStream = WaveFormatConversionStream.CreatePcmStream(reader))
{
WaveFileWriter.CreateWaveFile(tempFile, pcmStream);
}
}
}
var pcmFormat = new WaveFormat(8000, 16, 1);
List <byte[]> allBytes = new List <byte[]>();
using (WaveFormatConversionStream pcmStm = new WaveFormatConversionStream(pcmFormat, new WaveFileReader(tempFile)))
{
using (WaveFormatConversionStream ulawStm = new WaveFormatConversionStream(ulawFormat, pcmStm))
{
byte[] buffer = new byte[160];
int bytesRead = ulawStm.Read(buffer, 0, 160);
while (bytesRead > 0)
{
byte[] sample = new byte[bytesRead];
Array.Copy(buffer, sample, bytesRead);
allBytes.Add(sample);
bytesRead = ulawStm.Read(buffer, 0, 160);
}
int secondsToAdd = 1;
var silentBytes = new byte[ulawStm.WaveFormat.AverageBytesPerSecond * secondsToAdd];
allBytes.Add(silentBytes);
}
}
AudioInfo ai = new AudioInfo()
{
AudioData = allBytes.SelectMany(p => p).ToArray(),
Codec = Codec.G711U
};
return(ai);
//string fileName = @".\TestAudio\output-from-polly-mp3-then-wav.wav";
//using (WaveFileWriter writer = new WaveFileWriter(fileName, ulawFormat))
//{
// var testSequence = audioBytes.SelectMany(p => p.Value).ToArray();
// writer.Write(testSequence, 0, testSequence.Length);
//}
}
finally
{
try
{
File.Delete(tempFile);
}
catch { }
}
}
public static void TestPolly3()
{
Dictionary <uint, byte[]> audioBytes = new Dictionary <uint, byte[]>();
var ulawFormat = WaveFormat.CreateMuLawFormat(8000, 1);
string tempFile = Path.GetTempFileName();
try
{
using (AmazonPollyClient pc = new AmazonPollyClient())
{
SynthesizeSpeechRequest sreq = new SynthesizeSpeechRequest();
sreq.Text = "Something something something";
sreq.OutputFormat = OutputFormat.Mp3;
sreq.VoiceId = VoiceId.Salli;
SynthesizeSpeechResponse sres = pc.SynthesizeSpeechAsync(sreq).GetAwaiter().GetResult();
using (var pollyMemoryStream = new MemoryStream())
{
sres.AudioStream.CopyTo(pollyMemoryStream);
pollyMemoryStream.Flush();
pollyMemoryStream.Position = 0;
using (Mp3FileReader reader = new Mp3FileReader(pollyMemoryStream, wave => new DmoMp3FrameDecompressor(wave)))
{
using (WaveStream pcmStream = WaveFormatConversionStream.CreatePcmStream(reader))
{
//WaveFileWriter.WriteWavFileToStream(pcmWaveStream, pcmStream);
WaveFileWriter.CreateWaveFile(tempFile, pcmStream);
}
}
}
}
var pcmFormat = new WaveFormat(8000, 16, 1);
uint timestamp = 0;
using (WaveFormatConversionStream pcmStm = new WaveFormatConversionStream(pcmFormat, new WaveFileReader(tempFile)))
{
using (WaveFormatConversionStream ulawStm = new WaveFormatConversionStream(ulawFormat, pcmStm))
{
string fileName = @".\TestAudio\output-from-polly-mp3-then-wav.wav";
WaveFileWriter.CreateWaveFile(fileName, ulawStm);
//byte[] buffer = new byte[160];
//int bytesRead = ulawStm.Read(buffer, 0, 160);
//while (bytesRead > 0)
//{
// byte[] sample = new byte[bytesRead];
// Array.Copy(buffer, sample, bytesRead);
// audioBytes.Add(timestamp, sample);
// timestamp += 160;
// bytesRead = ulawStm.Read(buffer, 0, 160);
//}
}
}
//string fileName = @".\TestAudio\output-from-polly-mp3-then-wav.wav";
//using (WaveFileWriter writer = new WaveFileWriter(fileName, ulawFormat))
//{
// var testSequence = audioBytes.SelectMany(p => p.Value).ToArray();
// writer.Write(testSequence, 0, testSequence.Length);
//}
}
finally
{
try
{
File.Delete(tempFile);
}
catch { }
}
//string fileName = @".\TestAudio\output-from-polly-mp3-then-wav.wav";
//using (WaveFileWriter writer = new WaveFileWriter(fileName, ulawFormat))
//{
// var testSequence = audioBytes.SelectMany(p => p.Value).ToArray();
// writer.Write(testSequence, 0, testSequence.Length);
//}
}
private void StackRtp2Instance(RecordInfo_t _recInfo)
{
var _ingInstance = RecordIngList.FirstOrDefault(x => x.ext == _recInfo.extension && x.peer == _recInfo.peer_number);
if (_ingInstance == null)
{
byte[] rtpbuff = new byte[_recInfo.size];
Array.Copy(_recInfo.voice, 0, rtpbuff, 0, _recInfo.size);
WinSound.RTPPacket rtp = new WinSound.RTPPacket(rtpbuff);
WaveFormat _wavformat;
switch (rtp.PayloadType)
{
case 0:
_wavformat = WaveFormat.CreateMuLawFormat(8000, 1);
break;
case 8:
_wavformat = WaveFormat.CreateALawFormat(8000, 1);
break;
case 4:
_wavformat = WaveFormat.CreateCustomFormat(WaveFormatEncoding.G723, 8000, 1, 8000 * 1, 1, 8);
break;
case 18:
_wavformat = WaveFormat.CreateCustomFormat(WaveFormatEncoding.G729, 8000, 1, 8000 * 1, 1, 8);
break;
default:
_wavformat = WaveFormat.CreateALawFormat(8000, 1);
break;
}
DateTime now = DateTime.Now;
TimeSpan ts = now - new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Local);
string _header = string.Format("{0:0000}{1:00}{2:00}{3:00}{4:00}{5:00}{6:000}", now.Year, now.Month, now.Day, now.Hour, now.Minute, now.Second, now.Millisecond);
string _datepath = string.Format("{0:0000}-{1:00}-{2:00}", now.Year, now.Month, now.Day);
string _fileName = string.Format("{0}_{1}_{2}.wav", _header, _recInfo.extension, _recInfo.peer_number);
string _wavFileName = string.Format(@"{0}\{1}\{2}", _option.SaveDirectory, _datepath, _fileName);
string _path = string.Format(@"{0}\{1}", _option.SaveDirectory, _datepath);
if (!Directory.Exists(_path))
{
Directory.CreateDirectory(_path);
}
RtpRecordInfo RecInstance = new RtpRecordInfo(_wavformat, string.Format(@"{0}\{1}", _option.SaveDirectory, _datepath), _fileName)
{
ext = _recInfo.extension, peer = _recInfo.peer_number, codec = _wavformat, idx = ts.TotalMilliseconds, savepath = string.Format(@"{0}\{1}", _option.SaveDirectory, _datepath), filename = _fileName
};
RecInstance.EndOfRtpStreamEvent += RecInstance_EndOfRtpStreamEvent;
RecInstance.Add(_recInfo);
lock (RecordIngList)
{
RecordIngList.Add(RecInstance);
}
}
else
{
_ingInstance.Add(_recInfo);
}
}
private static async Task SendRecvRtp(Socket rtpSocket, RTPSession rtpSession, IPEndPoint dstRtpEndPoint, string audioFileName, CancellationTokenSource cts)
{
try
{
SIPSorcery.Sys.Log.Logger.LogDebug($"Sending from RTP socket {rtpSocket.LocalEndPoint} to {dstRtpEndPoint}.");
// Nothing is being done with the data being received from the client. But the remote rtp socket will
// be switched if it differs from the one in the SDP. This helps cope with NAT.
var rtpRecvTask = Task.Run(async() =>
{
DateTime lastRecvReportAt = DateTime.Now;
uint packetReceivedCount = 0;
uint bytesReceivedCount = 0;
byte[] buffer = new byte[512];
EndPoint remoteEP = new IPEndPoint(IPAddress.Any, 0);
SIPSorcery.Sys.Log.Logger.LogDebug($"Listening on RTP socket {rtpSocket.LocalEndPoint}.");
var recvResult = await rtpSocket.ReceiveFromAsync(buffer, SocketFlags.None, remoteEP);
while (recvResult.ReceivedBytes > 0 && !cts.IsCancellationRequested)
{
RTPPacket rtpPacket = new RTPPacket(buffer.Take(recvResult.ReceivedBytes).ToArray());
packetReceivedCount++;
bytesReceivedCount += (uint)rtpPacket.Payload.Length;
recvResult = await rtpSocket.ReceiveFromAsync(buffer, SocketFlags.None, remoteEP);
if (DateTime.Now.Subtract(lastRecvReportAt).TotalSeconds > RTP_REPORTING_PERIOD_SECONDS)
{
lastRecvReportAt = DateTime.Now;
dstRtpEndPoint = recvResult.RemoteEndPoint as IPEndPoint;
SIPSorcery.Sys.Log.Logger.LogDebug($"RTP recv {rtpSocket.LocalEndPoint}<-{dstRtpEndPoint} pkts {packetReceivedCount} bytes {bytesReceivedCount}");
}
}
});
string audioFileExt = Path.GetExtension(audioFileName).ToLower();
switch (audioFileExt)
{
case ".g722":
case ".ulaw":
{
uint timestamp = 0;
using (StreamReader sr = new StreamReader(audioFileName))
{
DateTime lastSendReportAt = DateTime.Now;
uint packetReceivedCount = 0;
uint bytesReceivedCount = 0;
byte[] buffer = new byte[320];
int bytesRead = sr.BaseStream.Read(buffer, 0, buffer.Length);
while (bytesRead > 0 && !cts.IsCancellationRequested)
{
packetReceivedCount++;
bytesReceivedCount += (uint)bytesRead;
if (!dstRtpEndPoint.Address.Equals(IPAddress.Any))
{
rtpSession.SendAudioFrame(rtpSocket, dstRtpEndPoint, timestamp, buffer);
}
timestamp += (uint)buffer.Length;
if (DateTime.Now.Subtract(lastSendReportAt).TotalSeconds > RTP_REPORTING_PERIOD_SECONDS)
{
lastSendReportAt = DateTime.Now;
SIPSorcery.Sys.Log.Logger.LogDebug($"RTP send {rtpSocket.LocalEndPoint}->{dstRtpEndPoint} pkts {packetReceivedCount} bytes {bytesReceivedCount}");
}
await Task.Delay(40, cts.Token);
bytesRead = sr.BaseStream.Read(buffer, 0, buffer.Length);
}
}
}
break;
case ".mp3":
{
DateTime lastSendReportAt = DateTime.Now;
uint packetReceivedCount = 0;
uint bytesReceivedCount = 0;
var pcmFormat = new WaveFormat(8000, 16, 1);
var ulawFormat = WaveFormat.CreateMuLawFormat(8000, 1);
uint timestamp = 0;
using (WaveFormatConversionStream pcmStm = new WaveFormatConversionStream(pcmFormat, new Mp3FileReader(audioFileName)))
{
using (WaveFormatConversionStream ulawStm = new WaveFormatConversionStream(ulawFormat, pcmStm))
{
byte[] buffer = new byte[320];
int bytesRead = ulawStm.Read(buffer, 0, buffer.Length);
while (bytesRead > 0 && !cts.IsCancellationRequested)
{
packetReceivedCount++;
bytesReceivedCount += (uint)bytesRead;
byte[] sample = new byte[bytesRead];
Array.Copy(buffer, sample, bytesRead);
if (dstRtpEndPoint.Address != IPAddress.Any)
{
rtpSession.SendAudioFrame(rtpSocket, dstRtpEndPoint, timestamp, buffer);
}
timestamp += (uint)buffer.Length;
if (DateTime.Now.Subtract(lastSendReportAt).TotalSeconds > RTP_REPORTING_PERIOD_SECONDS)
{
lastSendReportAt = DateTime.Now;
SIPSorcery.Sys.Log.Logger.LogDebug($"RTP send {rtpSocket.LocalEndPoint}->{dstRtpEndPoint} pkts {packetReceivedCount} bytes {bytesReceivedCount}");
}
await Task.Delay(40, cts.Token);
bytesRead = ulawStm.Read(buffer, 0, buffer.Length);
}
}
}
}
break;
default:
throw new NotImplementedException($"The {audioFileExt} file type is not understood by this example.");
}
}
catch (OperationCanceledException) { }
catch (Exception excp)
{
SIPSorcery.Sys.Log.Logger.LogError($"Exception sending RTP. {excp.Message}");
}
}
public AcmMuLawChatCodec()
: base(new WaveFormat(8000, 16, 1), WaveFormat.CreateMuLawFormat(8000, 1))
{
}
private void StackRtp2Instance(RecordInfo_t recInfo, byte[] buffer)
{
var ingInstance = RecordIngList.FirstOrDefault(x => x.ext == recInfo.extension && x.peer == recInfo.peer_number);
if (ingInstance == null)
{
byte[] rtpbuff = new byte[recInfo.size];
Array.Copy(recInfo.voice, 0, rtpbuff, 0, recInfo.size);
WinSound.RTPPacket rtp = new WinSound.RTPPacket(rtpbuff);
WaveFormat wavformat;
switch (rtp.PayloadType)
{
case 0:
wavformat = WaveFormat.CreateMuLawFormat(8000, 1);
break;
case 8:
wavformat = WaveFormat.CreateALawFormat(8000, 1);
break;
case 4:
wavformat = WaveFormat.CreateCustomFormat(WaveFormatEncoding.G723, 8000, 1, 8000, 1, 8);
break;
case 18:
wavformat = WaveFormat.CreateCustomFormat(WaveFormatEncoding.G729, 8000, 1, 8000, 1, 8);
break;
default:
wavformat = WaveFormat.CreateALawFormat(8000, 1);
break;
}
DateTime now = DateTime.Now;
TimeSpan ts = now - new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Local);
string header = string.Format("{0:0000}{1:00}{2:00}{3:00}{4:00}{5:00}{6:000}", now.Year, now.Month, now.Day, now.Hour, now.Minute, now.Second, now.Millisecond);
string datepath = string.Format("{0:0000}-{1:00}-{2:00}", now.Year, now.Month, now.Day);
string fileName = string.Format("{0}_{1}_{2}.wav", header, recInfo.extension, recInfo.peer_number);
string path = string.Format(@"{0}\{1}", Options.savedir, datepath);
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
RtpRecordInfo RecInstance = new RtpRecordInfo(wavformat, path, fileName)
{
ext = recInfo.extension, peer = recInfo.peer_number, codec = wavformat, idx = ts.TotalMilliseconds, savepath = path, filename = fileName
};
RecInstance.EndOfRtpStreamEvent += RecInstance_EndOfRtpStreamEvent;
// util.WriteLogTest3(recInfo.isExtension.ToString() + " : >> RTPPacket Codec : " + rtp.PayloadType.ToString() + " // RecInfo Codec : " + recInfo.codec.ToString(), fileName + "_codec");
RecInstance.chkcount++;
RecInstance.firstIsExtension = recInfo.isExtension;
RecInstance.Add(recInfo);
lock (RecordIngList)
{
RecordIngList.Add(RecInstance);
}
}
else
{
//if (ingInstance.chkcount == 1 && ingInstance.firstIsExtension != recInfo.isExtension)
//{
// byte[] rtpbuff = new byte[recInfo.size];
// Array.Copy(recInfo.voice, 0, rtpbuff, 0, recInfo.size);
// WinSound.RTPPacket rtp = new WinSound.RTPPacket(rtpbuff);
// util.WriteLogTest3(recInfo.isExtension.ToString() + " : >> RTPPacket Codec : " + rtp.PayloadType.ToString() + " // Structure Codec : " + recInfo.codec.ToString(), ingInstance.filename + "_codec");
// ingInstance.chkcount++;
//}
ingInstance.Add(recInfo);
}
}