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 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); }