/*
* private byte[] convertIEEE32bitFloatTo8bitPCMAndEncodeToMP3(WaveInEventArgs e)
* {
* byte[] recorded_buf = e.Buffer;
* int recorded_length = e.BytesRecorded;
* if(recorded_length == 0)
* {
* return null;
* }
*
* //byte[] depthConv_buf = null;
* //int depthConvBytes = -1;
*
* byte[] pcm16_buf = null;
* int pcm16_len = -1;
*
* //byte[] pcm8_buf = null;
*
* byte[] mp3_buf = null;
* try
* {
* //// 生データを再生可能なデータに変換
* var waveBufferResample = new BufferedWaveProvider(this._WaveIn.WaveFormat);
* waveBufferResample.DiscardOnBufferOverflow = true;
* waveBufferResample.ReadFully = false; // leave a buffer?
* waveBufferResample.BufferLength = recorded_length;
* var sampleStream = new WaveToSampleProvider(waveBufferResample);
*
* // Downsample to 8000
* var resamplingProvider = new WdlResamplingSampleProvider(sampleStream, RTPConfiguration.SamplesPerSecond);
*
* // Stereo to mono
* var monoProvider = new StereoToMonoSampleProvider(resamplingProvider)
* {
* LeftVolume = 1f,
* RightVolume = 1f
* };
*
* // Convert to 32bit float to 16bit PCM
* var ieeeToPcm = new SampleToWaveProvider16(monoProvider);
*
* waveBufferResample.AddSamples(recorded_buf, 0, recorded_length);
*
* mp3_buf = SoundEncodeUtil.encodePCMtoMP3(ieeeToPcm);
*
* ////Convert 16bit PCM to 8bit PCM
* //var depthConvertProvider = new WaveFormatConversionProvider(new WaveFormat(rtp_config.SamplesPerSecond, 8, 1), ieeeToPcm);
*
* //pcm16_len = recorded_length / (2 * 6 * 2);
* //pcm16_buf = new byte[pcm16_len];
* //ieeeToPcm.Read(pcm16_buf, 0, pcm16_len);
* //var depthConvertStream = new WaveFormatConversionStream(new WaveFormat(rtp_config.SamplesPerSecond, 8, 1), new RawSourceWaveStream(pcm16_buf, 0, pcm16_len, new WaveFormat(rtp_config.SamplesPerSecond, 16, 1)));
*
* //// データを源流から流す
* //waveBufferResample.AddSamples(recorded_buf, 0, recorded_length);
*
* //int pcm8_len = pcm16_len / 2;
* //pcm8_buf = new byte[pcm8_len];
* //depthConvertStream.Read(pcm8_buf, 0, pcm8_len);
*
* //mp3_buf = SoundEncodeUtil.encodePCMtoMP3(depthConvertProvider);
*
*
* //var waveBufferResample = new BufferedWaveProvider(this._WaveIn.WaveFormat);
* //waveBufferResample.AddSamples(recorded_buf, 0, recorded_length);
* //mp3_buf = SoundEncodeUtil.encodePCMtoMP3(waveBufferResample);
*
* Console.WriteLine(Utils.getFormatedCurrentTime() + " converted 32bit float 64KHz stereo " + recorded_length.ToString() + " bytes to 16bit PCM 8KHz mono and encode it to mp3 compressed data " + mp3_buf.Length.ToString() + " bytes");
* } catch (Exception ex)
* {
* Console.WriteLine(ex);
* Console.WriteLine("exit...");
* System.Windows.Forms.Application.Exit();
* }
*
* return mp3_buf;
* }
*/
public void handleDataWithTCP(byte[] sdata_buf)
{
Console.WriteLine("call handleDataWithTcp");
if (!sdsock.IsConnected())
{
return;
}
// こういうケースがあるようだ
if (sdata_buf.Length == 0)
{
return;
}
Console.WriteLine("call SoundUtils.ToRTPPacket");
RTPPacket rtp = SoundUtils.ToRTPPacket(sdata_buf, config);
Console.WriteLine("call sdsock.SendRTPPacket");
sdsock.SendRTPPacket(rtp, config.compress, GlobalConfiguration.SamplesPerSecond, config.BitsPerSample, config.Channels, config.isConvertMulaw);
}
