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);
}
