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 (WaveFileReader waveFileReader = new WaveFileReader(fileToProcess))
{
IWaveProvider source = new Wave16ToFloatProvider(waveFileReader);
IWaveProvider sourceProvider = new AutoTuneWaveProvider(source, autotuneSettings);
IWaveProvider waveProvider = new WaveFloatTo16Provider(sourceProvider);
using (WaveFileWriter waveFileWriter = new WaveFileWriter(tempFile, waveProvider.WaveFormat))
{
byte[] array = new byte[8192];
int num;
do
{
num = waveProvider.Read(array, 0, array.Length);
waveFileWriter.Write(array, 0, num);
}while (num != 0 && waveFileWriter.Length < waveFileReader.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);
}
}
}
