/// <summary> /// Converts a WMA file to a WAV stream /// </summary> /// <param name="outputStream">Stream to store the converted wav.</param> /// <param name="filePath">Path to a .wma file to convert</param> /// <returns>The WaveFormat object of the converted wav</returns> private static WaveFormat wmaToWav(string pathToWma, Stream outputStream, int sampleRate, int bitDepth, int numChannels) { if (!Path.GetExtension(pathToWma).ToLowerInvariant().Contains("wma")) throw new ArgumentException("Must be a .wma file!"); using (var reader = new WMAFileReader(pathToWma)) { var targetFormat = new NAudio.Wave.WaveFormat(sampleRate, bitDepth, numChannels); var pcmStream = new WaveFormatConversionStream(targetFormat, reader); var buffer = new byte[pcmStream.Length]; pcmStream.Read(buffer, 0, (int)pcmStream.Length); outputStream.Write(buffer, 0, buffer.Length); outputStream.Position = 0; pcmStream.Close(); return targetFormat; } }
private void AudioSourceDataAvailable(object sender, DataAvailableEventArgs e) { try { lock (_obj) { if (_bTalking && _avstream != null) { byte[] bSrc = e.RawData; int totBytes = bSrc.Length; if (!_audioSource.RecordingFormat.Equals(_waveFormat)) { using (var ws = new TalkHelperStream(bSrc, totBytes, _audioSource.RecordingFormat)) { int j = -1; var bDst = new byte[44100]; totBytes = 0; using (var helpStm = new WaveFormatConversionStream(_waveFormat, ws)) { while (j != 0) { j = helpStm.Read(bDst, totBytes, 10000); totBytes += j; } helpStm.Close(); } ws.Close(); bSrc = bDst; } } var enc = new byte[totBytes / 2]; ALawEncoder.ALawEncode(bSrc, totBytes, enc); try { _avstream.Write(enc, 0, enc.Length); } catch (SocketException) { StopTalk(); } } } } catch (Exception ex) { MainForm.LogExceptionToFile(ex); StopTalk(); } }
public void AudioDeviceDataAvailable(object sender, DataAvailableEventArgs e) { if (Levels == null || IsReconnect) return; try { lock (_lockobject) { Helper.FrameAction fa; if (!Recording) { var dt = Helper.Now.AddSeconds(0 - Micobject.settings.buffer); while (Buffer.Count > 0) { if (Buffer.TryPeek(out fa)) { if (fa.TimeStamp < dt) { if (Buffer.TryDequeue(out fa)) fa.Nullify(); } else { break; } } } } fa = new Helper.FrameAction(e.RawData, e.BytesRecorded, Levels.Max(), Helper.Now); Buffer.Enqueue(fa); } if (Micobject.settings.needsupdate) { Micobject.settings.samples = AudioSource.RecordingFormat.SampleRate; Micobject.settings.channels = AudioSource.RecordingFormat.Channels; Micobject.settings.needsupdate = false; } OutSockets.RemoveAll(p => p.TcpClient.Client.Connected == false); if (OutSockets.Count>0) { if (_mp3Writer == null) { _audioStreamFormat = new WaveFormat(22050, 16, Micobject.settings.channels); var wf = new WaveFormat(_audioStreamFormat.SampleRate, _audioStreamFormat.BitsPerSample, _audioStreamFormat.Channels); _mp3Writer = new LameMP3FileWriter(_outStream, wf, LAMEPreset.STANDARD); } byte[] bSrc = e.RawData; int totBytes = bSrc.Length; var ws = new TalkHelperStream(bSrc, totBytes, AudioSource.RecordingFormat); var helpStm = new WaveFormatConversionStream(_audioStreamFormat, ws); totBytes = helpStm.Read(_bResampled, 0, 22050); ws.Close(); ws.Dispose(); helpStm.Close(); helpStm.Dispose(); _mp3Writer.Write(_bResampled, 0, totBytes); var bterm = Encoding.ASCII.GetBytes("\r\n"); if (_outStream.Length > 0) { var bout = new byte[(int) _outStream.Length]; _outStream.Seek(0, SeekOrigin.Begin); _outStream.Read(bout, 0, (int) _outStream.Length); _outStream.SetLength(0); _outStream.Seek(0, SeekOrigin.Begin); foreach (var s in OutSockets) { var b = Encoding.ASCII.GetBytes(bout.Length.ToString("X") + "\r\n"); try { s.Stream.Write(b, 0, b.Length); s.Stream.Write(bout, 0, bout.Length); s.Stream.Write(bterm, 0, bterm.Length); } catch { OutSockets.Remove(s); break; } } } } else { if (_mp3Writer != null) { _mp3Writer.Close(); _mp3Writer = null; } } if (DataAvailable != null) { DataAvailable(this, new NewDataAvailableArgs((byte[])e.RawData.Clone())); } if (_reconnectTime != DateTime.MinValue) { Micobject.settings.active = true; _errorTime = _reconnectTime = DateTime.MinValue; DoAlert("reconnect"); } _errorTime = DateTime.MinValue; } catch (Exception ex) { if (ErrorHandler != null) ErrorHandler(ex.Message); } }
void AudioDeviceDataAvailable(object sender, DataAvailableEventArgs e) { if (Levels == null) return; try { if (WriterBuffer == null) { var dt = DateTime.Now.AddSeconds(0 - Micobject.settings.buffer); AudioBuffer.RemoveAll(p => p.TimeStamp < dt); AudioBuffer.Add(new AudioAction(e.RawData, Levels.Max(), DateTime.Now)); } else { WriterBuffer.Enqueue(new AudioAction(e.RawData, Levels.Max(), DateTime.Now)); } if (Micobject.settings.needsupdate) { Micobject.settings.samples = AudioSource.RecordingFormat.SampleRate; Micobject.settings.channels = AudioSource.RecordingFormat.Channels; Micobject.settings.needsupdate = false; } OutSockets.RemoveAll(p => p.Connected == false); if (OutSockets.Count>0) { if (_mp3Writer == null) { //_as = new AudioStreamer(); //_as.Open(AudioCodec.AAC, AudioSource.RecordingFormat.BitsPerSample * AudioSource.RecordingFormat.SampleRate * AudioSource.RecordingFormat.Channels, AudioSource.RecordingFormat.SampleRate, AudioSource.RecordingFormat.Channels); _audioStreamFormat = new WaveFormat(22050, 16, Micobject.settings.channels); var wf = new MP3Stream.WaveFormat(_audioStreamFormat.SampleRate, _audioStreamFormat.BitsPerSample, _audioStreamFormat.Channels); _mp3Writer = new Mp3Writer(_outStream, wf, false); } //unsafe //{ // fixed (byte* p = e.RawData) // { // int byteLength = 0; // int* l = &byteLength; // byte* outStream = _as.WriteAudio(p, e.RawData.Length, l); // byteLength = *l; // if (byteLength > 0) // { // var toSend = new byte[byteLength]; // for (var i = 0; i < byteLength;i++ ) // { // if (i==0) // Debug.Write(toSend[0]); // toSend[i] = *(outStream + i); // } // foreach (Socket s in OutSockets) // { // s.Send(Encoding.ASCII.GetBytes(byteLength.ToString("X") + "\r\n")); // s.Send(toSend); // s.Send(Encoding.ASCII.GetBytes("\r\n")); // } // } // } //} byte[] bSrc = e.RawData; int totBytes = bSrc.Length; var ws = new TalkHelperStream(bSrc, totBytes, AudioSource.RecordingFormat); var helpStm = new WaveFormatConversionStream(_audioStreamFormat, ws); totBytes = helpStm.Read(_bResampled, 0, 25000); ws.Close(); ws.Dispose(); helpStm.Close(); helpStm.Dispose(); _mp3Writer.Write(_bResampled, 0, totBytes); if (_outStream.Length > 0) { var bout = new byte[(int) _outStream.Length]; _outStream.Seek(0, SeekOrigin.Begin); _outStream.Read(bout, 0, (int) _outStream.Length); _outStream.SetLength(0); _outStream.Seek(0, SeekOrigin.Begin); foreach (Socket s in OutSockets) { s.Send(Encoding.ASCII.GetBytes(bout.Length.ToString("X") + "\r\n")); s.Send(bout); s.Send(Encoding.ASCII.GetBytes("\r\n")); } } } else { if (_mp3Writer != null) { _mp3Writer.Close(); _mp3Writer = null; } //if (_as!=null) //{ // _as.Close(); // _as.Dispose(); // _as = null; //} } if (DataAvailable != null) { DataAvailable(this, new NewDataAvailableArgs((byte[])e.RawData.Clone())); } } catch (Exception ex) { Log.Error("",ex);//MainForm.LogExceptionToFile(ex); } }
private void AudioSourceDataAvailable(object sender, DataAvailableEventArgs e) { try { lock (_obj) { if (_bTalking && _avstream != null) { byte[] bSrc = e.RawData; int totBytes = bSrc.Length; int j = -1; if (!_audioSource.RecordingFormat.Equals(_waveFormat)) { using (var ws = new TalkHelperStream(bSrc, totBytes, _audioSource.RecordingFormat)) { var bDst = new byte[44100]; totBytes = 0; using (var helpStm = new WaveFormatConversionStream(_waveFormat, ws)) { while (j != 0) { j = helpStm.Read(bDst, totBytes, 10000); totBytes += j; } helpStm.Close(); } ws.Close(); bSrc = bDst; } } var enc = _muLawCodec.Encode(bSrc, 0, totBytes); //ALawEncoder.ALawEncode(bSrc, totBytes, enc); Buffer.BlockCopy(enc, 0, _talkBuffer, _talkDatalen, enc.Length); _talkDatalen += enc.Length; j = 0; try { while (j + 240 < _talkDatalen) { //need to write out in 240 byte packets var pkt = new byte[240]; Buffer.BlockCopy(_talkBuffer, j, pkt, 0, 240); // _avstream.Write(_hdr, 0, _hdr.Length); _avstream.Write(pkt, 0, 240); j += 240; } if (j < _talkDatalen) { Buffer.BlockCopy(_talkBuffer, j, _talkBuffer, 0, _talkDatalen - j); _talkDatalen = _talkDatalen - j; } } catch (SocketException) { StopTalk(); } } } } catch (Exception ex) { MainForm.LogExceptionToFile(ex); StopTalk(); } }
private byte[] RealMix(ReceivedRtp item1, ReceivedRtp item2) { if (item1 == null || item2 == null) return null; if (item1.size == 0 || item2.size == 0) return null; byte[] wavSrc1 = new byte[item1.size - headersize]; byte[] wavSrc2 = new byte[item2.size - headersize]; Array.Copy(item1.buff, headersize, wavSrc1, 0, (item1.size - headersize)); Array.Copy(item2.buff, headersize, wavSrc2, 0, (item2.size - headersize)); WaveMixerStream32 mixer = new WaveMixerStream32(); // mixer.AutoStop = true; MemoryStream memstrem = new MemoryStream(wavSrc1); RawSourceWaveStream rawsrcstream = new RawSourceWaveStream(memstrem, this.codec); WaveFormatConversionStream conversionstream = new WaveFormatConversionStream(pcmFormat16, rawsrcstream); WaveChannel32 channelstream = new WaveChannel32(conversionstream); mixer.AddInputStream(channelstream); memstrem = new MemoryStream(wavSrc2); rawsrcstream = new RawSourceWaveStream(memstrem, this.codec); conversionstream = new WaveFormatConversionStream(pcmFormat16, rawsrcstream); channelstream = new WaveChannel32(conversionstream); mixer.AddInputStream(channelstream); mixer.Position = 0; Wave32To16Stream to16 = new Wave32To16Stream(mixer); var convStm = new WaveFormatConversionStream(pcmFormat8, to16); byte[] mixedbytes = new byte[(int)convStm.Length]; int chk = convStm.Read(mixedbytes, 0, (int)convStm.Length); //Buffer.BlockCopy(tobyte, 0, writingBuffer, 0, tobyte.Length); memstrem.Close(); rawsrcstream.Close(); conversionstream.Close(); channelstream.Close(); convStm.Close(); convStm.Dispose(); convStm = null; to16.Close(); to16.Dispose(); to16 = null; mixer.Close(); mixer.Dispose(); mixer = null; return mixedbytes; }
private void AudioSourceDataAvailable(object sender, DataAvailableEventArgs e) { try { lock (_obj) { if (_bTalking && _avstream != null) { byte[] bSrc = e.RawData; int totBytes = bSrc.Length; if (!_audioSource.RecordingFormat.Equals(_waveFormat)) { var ws = new TalkHelperStream(bSrc, totBytes, _audioSource.RecordingFormat); var helpStm = new WaveFormatConversionStream(_waveFormat, ws); totBytes = helpStm.Read(bSrc, 0, 25000); ws.Close(); ws.Dispose(); helpStm.Close(); helpStm.Dispose(); } var enc = new byte[totBytes / 2]; ALawEncoder.ALawEncode(bSrc, totBytes, enc); try { _avstream.Write(enc, 0, enc.Length); _avstream.Flush(); } catch (SocketException) { StopTalk(); } } } } catch (Exception ex) { Log.Error("",ex);//MainForm.LogExceptionToFile(ex); StopTalk(); } }
private void AudioSourceDataAvailable(object sender, DataAvailableEventArgs e) { try { lock (_obj) { if (_bTalking && _avstream != null) { byte[] bSrc = e.RawData; int totBytes = bSrc.Length; int j = -1; if (!_audioSource.RecordingFormat.Equals(_waveFormat)) { using (var ws = new TalkHelperStream(bSrc, totBytes, _audioSource.RecordingFormat)) { var bDst = new byte[44100]; totBytes = 0; using (var helpStm = new WaveFormatConversionStream(_waveFormat, ws)) { while (j != 0) { j = helpStm.Read(bDst, totBytes, 10000); totBytes += j; } helpStm.Close(); } ws.Close(); bSrc = bDst; } } if (_needsencodeinit) { _enc.EncodeInit(BitConverter.ToInt16(e.RawData, 0), BitConverter.ToInt16(e.RawData, 2)); _needsencodeinit = false; } var buff = new byte[25000]; int c; unsafe { fixed (byte* src = bSrc) { fixed (byte* dst = buff) { c = (int)_enc.EncodeFoscam(src, totBytes, dst); } } } Buffer.BlockCopy(buff,0,_talkBuffer,_talkDatalen,c); _talkDatalen += c; var dtms = (int) (Helper.Now - _dt).TotalMilliseconds; int i = 0; j = 0; try { while (j + 160 < _talkDatalen) { //need to write out in 160 byte packets for 40ms byte[] cmd = SInit(TalkData, MoIPAvFlag); cmd = AddNext(cmd, dtms + (i*40)); cmd = AddNext(cmd, _seq); cmd = AddNext(cmd, (int) (Helper.Now - _dt).TotalSeconds); cmd = AddNext(cmd, (byte) 0x0); cmd = AddNext(cmd, 160); var pkt = new byte[160]; Buffer.BlockCopy(_talkBuffer, j, pkt, 0, 160); cmd = AddNext(cmd, pkt, 160); Encode(ref cmd); _avstream.Write(cmd, 0, cmd.Length); j += 160; _seq++; i++; } if (j < _talkDatalen) { Buffer.BlockCopy(_talkBuffer, j, _talkBuffer, 0, _talkDatalen-j); _talkDatalen = _talkDatalen - j; } } catch (SocketException) { StopTalk(true); } } } } catch (Exception ex) { MainForm.LogExceptionToFile(ex); StopTalk(true); } }
private static WaveFormat reencodeWav(string pathToWav, Stream outputStream, int sampleRate, int bitDepth, int numChannels) { using (var reader = new WaveFileReader(pathToWav)) { var targetFormat = new NAudio.Wave.WaveFormat(sampleRate, bitDepth, numChannels); var pcmStream = new WaveFormatConversionStream(targetFormat, reader); var buffer = new byte[pcmStream.Length]; pcmStream.Read(buffer, 0, (int)pcmStream.Length); outputStream.Write(buffer, 0, buffer.Length); outputStream.Position = 0; pcmStream.Close(); return targetFormat; } }
private void ProcessMixingFinal(RcvData data, int dataSize) { string processingFn = string.Format("e:\\{0}_{1}_{2}.wav", data.seqnum, data.extension, data.peernumber); List<RecInfos> ls0 = lExtension0.FindAll( delegate(RecInfos list) { return list.rcvData.Equals(data) && list.isExtension == 0; }); List<RecInfos> ls1 = lExtension1.FindAll( delegate(RecInfos list) { return list.rcvData.Equals(data) && list.isExtension == 1; }); IsExtensionComparer isExtensionCompare = new IsExtensionComparer(); ls0.Sort(isExtensionCompare); ls1.Sort(isExtensionCompare); int count = 0; int count0 = ls0.Count(); int count1 = ls1.Count(); if (count0 - count1 < 0) count = count0; else count = count1; for (int i = 0; i < count; i++) { if (ls0[i].seq == ls1[i].seq) { // 믹싱 byte[] wavSrc0 = new byte[160]; byte[] wavSrc1 = new byte[160]; Array.Copy(ls0[i].voice, 12, wavSrc0, 0, wavSrc0.Length); Array.Copy(ls1[i].voice, 12, wavSrc1, 0, wavSrc1.Length); WaveMixerStream32 mixer = new WaveMixerStream32(); //mixer.AutoStop = true; WaveChannel32 channelStm = null; for (int j = 0; j < 2; j++) { MemoryStream memStm = null; BufferedStream bufStm = null; RawSourceWaveStream rawSrcStm = null; WaveFormatConversionStream conversionStm = null; if (j == 0) memStm = new MemoryStream(wavSrc0); else memStm = new MemoryStream(wavSrc1); bufStm = new BufferedStream(memStm); rawSrcStm = new RawSourceWaveStream(bufStm, mulawFormat); conversionStm = new WaveFormatConversionStream(pcmFormat, rawSrcStm); channelStm = new WaveChannel32(conversionStm); mixer.AddInputStream(channelStm); } mixer.Position = 0; if (File.Exists(processingFn)) { var wavefilestream = new WaveFileReader(processingFn); byte[] wavefilebyte = new byte[(int)wavefilestream.Length]; int chk0 = wavefilestream.Read(wavefilebyte, 0, wavefilebyte.Length); Wave32To16Stream to16 = new Wave32To16Stream(mixer); var conversionStm = new WaveFormatConversionStream(pcmFormat, to16); byte[] tobyte = new byte[(int)conversionStm.Length]; int chk1 = conversionStm.Read(tobyte, 0, (int)conversionStm.Length); byte[] desByte = new byte[wavefilebyte.Length + tobyte.Length]; conversionStm.Close(); wavefilestream.Close(); Buffer.BlockCopy(wavefilebyte, 0, desByte, 0, wavefilebyte.Length); Buffer.BlockCopy(tobyte, 0, desByte, wavefilebyte.Length, tobyte.Length); using (MemoryStream memStm = new MemoryStream(desByte)) using (BufferedStream buffStm = new BufferedStream(memStm)) using (RawSourceWaveStream rawSrcStm = new RawSourceWaveStream(buffStm, pcmFormat)) { WaveFileWriter.CreateWaveFile(processingFn, rawSrcStm); } } else { var mixedStm = new Wave32To16Stream(mixer); var convStm = new WaveFormatConversionStream(pcmFormat, mixedStm); WaveFileWriter.CreateWaveFile(processingFn, convStm); convStm.Close(); mixedStm.Close(); } mixer.Close(); // 삭제 lExtension0.Remove(ls0[i]); lExtension1.Remove(ls1[i]); } else if (ls0[i].seq - ls1[i].seq < 0) { // ls0 만 믹싱 // ls0 원본에 byte[] 붙임 > 원본 byte[]를 wavesream 으로 변환 > wave 파일로 저장 if (File.Exists(processingFn)) { //wavefilestream = new WaveFileReader(processingFn); } else { } // 삭제 lExtension0.Remove(ls0[i]); ls1.Insert(i + 1, ls1[i]); } else if (ls0[i].seq - ls1[i].seq > 0) { // ls1 만 믹싱 // ls1 원본에 byte[] 붙임 > 원본 byte[]를 wavesream 으로 변환 > wave 파일로 저장 if (File.Exists(processingFn)) { //wavefilestream = new WaveFileReader(processingFn); } else { } // 삭제 lExtension1.Remove(ls1[i]); ls0.Insert(i + 1, ls0[i]); } } }
private void ProcessMixing2(RcvData data, int dataSize) { string processingFn = string.Format("d:\\{0}_{1}_{2}.wav", data.seqnum, data.extension, data.peernumber); List<RecInfos> ls0 = lExtension0.FindAll( delegate(RecInfos list) { return list.rcvData.Equals(data) && list.isExtension == 0; }); List<RecInfos> ls1 = lExtension1.FindAll( delegate(RecInfos list) { return list.rcvData.Equals(data) && list.isExtension == 1; }); IsExtensionComparer isExtensionCompare = new IsExtensionComparer(); ls0.Sort(isExtensionCompare); ls1.Sort(isExtensionCompare); int count = 0; int count0 = ls0.Count(); int count1 = ls1.Count(); if (count0 - count1 < 0) count = count0; else count = count1; byte[] buffWriting = new byte[320 * count]; for (int i = 0; i < count; i++) { if (ls0[i].seq == ls1[i].seq) { // 믹싱 // 코덱 종류에 따라서 바이트 길이는 달라질 수 있다. 실제로 만들 때 경우의 수 확인하고 만들어야 한다. byte[] wavSrc0 = new byte[160]; byte[] wavSrc1 = new byte[160]; Array.Copy(ls0[i].voice, 12, wavSrc0, 0, wavSrc0.Length); Array.Copy(ls1[i].voice, 12, wavSrc1, 0, wavSrc1.Length); WaveMixerStream32 mixer = new WaveMixerStream32(); //mixer.AutoStop = true; WaveChannel32 channelStm = null; MemoryStream memStm = null; BufferedStream bufStm = null; RawSourceWaveStream rawSrcStm = null; WaveFormatConversionStream conversionStm = null; for (int j = 0; j < 2; j++) { if (j == 0) memStm = new MemoryStream(wavSrc0); else memStm = new MemoryStream(wavSrc1); bufStm = new BufferedStream(memStm); rawSrcStm = new RawSourceWaveStream(bufStm, mulawFormat); conversionStm = new WaveFormatConversionStream(pcmFormat, rawSrcStm); channelStm = new WaveChannel32(conversionStm); mixer.AddInputStream(channelStm); } mixer.Position = 0; Wave32To16Stream to16 = new Wave32To16Stream(mixer); var convStm = new WaveFormatConversionStream(pcmFormat, to16); byte[] tobyte = new byte[(int)convStm.Length]; int chk = convStm.Read(tobyte, 0, (int)convStm.Length); Buffer.BlockCopy(tobyte, 0, buffWriting, i * tobyte.Length, tobyte.Length); conversionStm.Close(); rawSrcStm.Close(); bufStm.Close(); memStm.Close(); convStm.Close(); to16.Close(); channelStm.Close(); mixer.Close(); // 삭제 lExtension0.Remove(ls0[i]); lExtension1.Remove(ls1[i]); } else if (ls0[i].seq - ls1[i].seq < 0) { // ls0 만 믹싱 // ls0 원본에 byte[] 붙임 > 원본 byte[]를 wavesream 으로 변환 > wave 파일로 저장 // 믹싱 // 코덱 종류에 따라서 바이트 길이는 달라질 수 있다. 실제로 만들 때 경우의 수 확인하고 만들어야 한다. byte[] wavSrc0 = new byte[160]; byte[] wavSrc1 = new byte[160]; Array.Copy(ls0[i].voice, 12, wavSrc0, 0, wavSrc0.Length); Array.Copy(ls1[i].voice, 12, wavSrc1, 0, wavSrc1.Length); WaveMixerStream32 mixer = new WaveMixerStream32(); //mixer.AutoStop = true; WaveChannel32 channelStm = null; MemoryStream memStm = null; BufferedStream bufStm = null; RawSourceWaveStream rawSrcStm = null; WaveFormatConversionStream conversionStm = null; for (int j = 0; j < 2; j++) { if (j == 0) memStm = new MemoryStream(wavSrc0); else memStm = new MemoryStream(wavSrc1); bufStm = new BufferedStream(memStm); rawSrcStm = new RawSourceWaveStream(bufStm, mulawFormat); conversionStm = new WaveFormatConversionStream(pcmFormat, rawSrcStm); channelStm = new WaveChannel32(conversionStm); mixer.AddInputStream(channelStm); } mixer.Position = 0; Wave32To16Stream to16 = new Wave32To16Stream(mixer); var convStm = new WaveFormatConversionStream(pcmFormat, to16); byte[] tobyte = new byte[(int)convStm.Length]; int chk = convStm.Read(tobyte, 0, (int)convStm.Length); Buffer.BlockCopy(tobyte, 0, buffWriting, i * tobyte.Length, tobyte.Length); conversionStm.Close(); rawSrcStm.Close(); bufStm.Close(); memStm.Close(); convStm.Close(); to16.Close(); channelStm.Close(); mixer.Close(); // 삭제 lExtension0.Remove(ls0[i]); ls1.Insert(i + 1, ls1[i]); } else if (ls0[i].seq - ls1[i].seq > 0) { // ls1 만 믹싱 // ls1 원본에 byte[] 붙임 > 원본 byte[]를 wavesream 으로 변환 > wave 파일로 저장 // 믹싱 // 코덱 종류에 따라서 바이트 길이는 달라질 수 있다. 실제로 만들 때 경우의 수 확인하고 만들어야 한다. byte[] wavSrc0 = new byte[160]; byte[] wavSrc1 = new byte[160]; Array.Copy(ls0[i].voice, 12, wavSrc0, 0, wavSrc0.Length); Array.Copy(ls1[i].voice, 12, wavSrc1, 0, wavSrc1.Length); WaveMixerStream32 mixer = new WaveMixerStream32(); //mixer.AutoStop = true; WaveChannel32 channelStm = null; MemoryStream memStm = null; BufferedStream bufStm = null; RawSourceWaveStream rawSrcStm = null; WaveFormatConversionStream conversionStm = null; for (int j = 0; j < 2; j++) { if (j == 0) memStm = new MemoryStream(wavSrc0); else memStm = new MemoryStream(wavSrc1); bufStm = new BufferedStream(memStm); rawSrcStm = new RawSourceWaveStream(bufStm, mulawFormat); conversionStm = new WaveFormatConversionStream(pcmFormat, rawSrcStm); channelStm = new WaveChannel32(conversionStm); mixer.AddInputStream(channelStm); } mixer.Position = 0; Wave32To16Stream to16 = new Wave32To16Stream(mixer); var convStm = new WaveFormatConversionStream(pcmFormat, to16); byte[] tobyte = new byte[(int)convStm.Length]; int chk = convStm.Read(tobyte, 0, (int)convStm.Length); Buffer.BlockCopy(tobyte, 0, buffWriting, i * tobyte.Length, tobyte.Length); conversionStm.Close(); rawSrcStm.Close(); bufStm.Close(); memStm.Close(); convStm.Close(); to16.Close(); channelStm.Close(); mixer.Close(); // 삭제 lExtension1.Remove(ls1[i]); ls0.Insert(i + 1, ls0[i]); } } // 10개의 버프를 바이트로 만들어 WaveFileWrite WaveFileWriting(buffWriting, processingFn); }