/// <summary>
/// 頻繁に呼んでバッファを補充する
/// </summary>
/// <returns></returns>
public void Streaming()
{
if (ChannelBuffers[0].Buffercount > 0)
{
double needsmsec = _streambuffermsec - bufwaveprovider16.BufferedDuration.TotalMilliseconds;
string s;
s = "Streaming ";
s += "WaveProvider16=" + bufwaveprovider16.BufferedDuration.TotalMilliseconds.ToString();
if (needsmsec > 0)
{
Buffer2NAudio(_streambuffermsec);
s += " 500msec送信";
}
LogMake.Print(s);
}
}
/// <summary>
/// 44100Hz,2chのファイル読み込み("main"で追加される)
/// </summary>
/// <param name="filename"></param>
public static void MainFileLoad(string filename)
{
IWaveProvider FloatStereo44100Provider;
AudioFileReader reader;
reader = new AudioFileReader(filename);
audiofilereader = reader;
LogMake.Print("Volume消す");
IWaveProvider stereo;
if (reader.WaveFormat.Channels == 1)
{
if (reader.WaveFormat.Encoding == WaveFormatEncoding.IeeeFloat)
{
//NAudio.Wave.SampleProviders.MonoToStereoSampleProvider s = new NAudio.Wave.SampleProviders.MonoToStereoSampleProvider(reader);
stereo = new Wave16ToFloatProvider(new MonoToStereoProvider16(new WaveFloatTo16Provider(reader)));
WaveFormatConversionProvider conv = new WaveFormatConversionProvider(new WaveFormat(44100, 2), stereo);
}
else if (reader.WaveFormat.Encoding == WaveFormatEncoding.Pcm)
{
stereo = new Wave16ToFloatProvider(new MonoToStereoProvider16(reader));
}
else
{
return;
}
}
else
{
stereo = reader;
}
FloatStereo44100Provider = stereo;//最終的にこの形式に統一44100にするかどうかは検討の余地あり
SoundDriver.AddWaveProvider(FloatStereo44100Provider, "main");
}