private static void ReadFromTestProvider(int bytesToRead, int bufferSize)
{
TestWaveProvider source = new TestWaveProvider(44100, 1);
AutoTuneWaveProvider autoTune = new AutoTuneWaveProvider(source);
byte[] buffer = new byte[bufferSize];
int bytesRead = 0;
while (bytesRead < bytesToRead)
{
bytesRead += autoTune.Read(buffer, 0, buffer.Length);
}
}
public static void ApplyAutoTune(string fileToProcess, string tempFile, AutoTuneSettings autotuneSettings)
{
using (var reader = new WaveFileReader(fileToProcess))
{
IWaveProvider stream32 = new Wave16ToFloatProvider(reader);
IWaveProvider streamEffect = new AutoTuneWaveProvider(stream32, autotuneSettings);
IWaveProvider stream16 = new WaveFloatTo16Provider(streamEffect);
using (var converted = new WaveFileWriter(tempFile, stream16.WaveFormat))
{
// buffer length needs to be a power of 2 for FFT to work nicely
// however, make the buffer too long and pitches aren't detected fast enough
// successful buffer sizes: 8192, 4096, 2048, 1024
// (some pitch detection algorithms need at least 2048)
var buffer = new byte[8192];
int bytesRead;
do
{
bytesRead = stream16.Read(buffer, 0, buffer.Length);
converted.Write(buffer, 0, bytesRead);
} while (bytesRead != 0 && converted.Length < reader.Length);
}
}
}
public static void ApplyAutoTune(string fileToProcess, string tempFile, AutoTuneSettings autotuneSettings)
{
using (var reader = new WaveFileReader(fileToProcess))
{
IWaveProvider stream32 = new Wave16ToFloatProvider(reader);
IWaveProvider streamEffect = new AutoTuneWaveProvider(stream32, autotuneSettings);
IWaveProvider stream16 = new WaveFloatTo16Provider(streamEffect);
using (var converted = new WaveFileWriter(tempFile, stream16.WaveFormat))
{
// buffer length needs to be a power of 2 for FFT to work nicely
// however, make the buffer too long and pitches aren't detected fast enough
// successful buffer sizes: 8192, 4096, 2048, 1024
// (some pitch detection algorithms need at least 2048)
var buffer = new byte[8192];
int bytesRead;
do
{
bytesRead = stream16.Read(buffer, 0, buffer.Length);
converted.Write(buffer, 0, bytesRead);
} while (bytesRead != 0 && converted.Length < reader.Length);
}
}
}
private void LoadSample(Map map)
{
try
{
int index = 0;
foreach (Channel channel in map.Channels)
{
foreach (Sample sample in channel.ListSample)
{
List<int> listIndexSample = new List<int>();
dicSample.Add(sample.Name, listIndexSample);
for (int i = 0; i < CountInstancePerSample; i++)
{
WaveStream outStream = new WaveFileReader(sample.FileName);
//--- Détection de la fréquence moyenne du son
if (i == 0 && sample.Frequency == -1f)
{
//=======
IWaveProvider waveFloat = null;
if (outStream.WaveFormat.Channels > 1)
{
StereoToMonoProvider16 stereo = new StereoToMonoProvider16(outStream);
stereo.LeftVolume = 1f;
stereo.RightVolume = 1f;
waveFloat = new Wave16ToFloatProvider(stereo);
}
else
{
waveFloat = new Wave16ToFloatProvider(outStream);
}
IWaveProvider outStream2 = new AutoTuneWaveProvider(waveFloat);
IWaveProvider wave16 = new WaveFloatTo16Provider(outStream2);
byte[] buffer = new byte[8192];
int _bytesRead;
do
{
_bytesRead =
wave16.Read(buffer, 0, buffer.Length);
//writer.WriteData(buffer, 0, _bytesRead);
} while (_bytesRead != 0);//&& writer.Length < waveFileReader.Length);
//writer.Close();
//=======
outStream.Position = 0;
//---> Fréquence sonore du sample
sample.Frequency = ((AutoTuneWaveProvider)outStream2).Frequency;
//---> Note sur un clavier de 88 touches pour la fréqence
sample.NoteKey = (12f * (float)Math.Log(sample.Frequency / 55f) + 13f * (float)Math.Log(2f)) / ((float)Math.Log(2f));
Debug.WriteLine(sample.Name + " == " + sample.Frequency.ToString() + " == " + sample.NoteKey.ToString());
}
//---
outStream = WaveFormatConversionStream.CreatePcmStream(outStream);
outStream = new BlockAlignReductionStream(outStream);
reader[index] = outStream;
offsetStream[index] = new EffectStream(CreateEffectChain(sample), reader[index]);
channelSteam[index] = new WaveChannel32(offsetStream[index]);
channelSteam[index].Position = channelSteam[index].Length;
mixer.AddInputStream(channelSteam[index]);
listIndexSample.Add(index);
index++;
}
sample.Duration = channelSteam[dicSample[sample.Name][0]].TotalTime;
}
}
}
catch (Exception ex)
{
}
}
