public static bool TakeClipAddSilence(string file, TimeSpan lengthSilence, TimeSpan startTime, TimeSpan length, string newFile)
{
try
{
//byte[] buffer = new byte[1024];
AudioFileReader afr = new AudioFileReader(file);
OffsetSampleProvider offsetter = new OffsetSampleProvider(afr)
{
DelayBy = lengthSilence,
LeadOut = lengthSilence,
SkipOver = startTime,
Take = length
};
offsetter.ToMono();
var provider = new SampleToWaveProvider(offsetter);
WaveFileWriter.CreateWaveFile(newFile, provider);
ChangeWaveFormat(newFile, 16000, 16, 1);
return(true);
}
catch (Exception exc)
{
ErrorMessage.Raise(exc);
return(false);
}
}
public void wasapiPlay()
{
ISampleProvider sampleProvider1;
VolumeSampleProvider volumeSampleProv1;
SmbPitchShiftingSampleProvider smbPitchSampleProv1;
OffsetSampleProvider offsetSampleProv1;
PanningSampleProvider panSampleProv1;
void funcForBuff(object sender, WaveInEventArgs waveInEventArgs)
{
buffWaveProv.AddSamples(waveInEventArgs.Buffer, 0, waveInEventArgs.BytesRecorded);
}
var enumerator = new NAudio.CoreAudioApi.MMDeviceEnumerator();
wInput = enumerator.GetDevice(strInputDeviceID);
wOutput = enumerator.GetDevice(strOutputDeviceID);
wOut = new WasapiOut(wOutput, AudioClientShareMode.Shared, true, 10);
wCapture = new WasapiCapture(wInput, true, 10);
buffWaveProv = new BufferedWaveProvider(wCapture.WaveFormat);
wCapture.DataAvailable += funcForBuff;
sampleProvider1 = buffWaveProv.ToSampleProvider();
smbPitchSampleProv1 = new SmbPitchShiftingSampleProvider(sampleProvider1);
smbPitchSampleProv1.PitchFactor = fPitch;
offsetSampleProv1 = new OffsetSampleProvider(smbPitchSampleProv1);
offsetSampleProv1.DelayBy = new TimeSpan(0, 0, 0, 0, iLatency);
panSampleProv1 = new PanningSampleProvider(offsetSampleProv1.ToMono(1f, 1f));
panSampleProv1.Pan = fPanning;
volumeSampleProv1 = new VolumeSampleProvider(panSampleProv1);
volumeSampleProv1.Volume = fVolume;
wOut.Init(volumeSampleProv1);
wCapture.StartRecording();
wOut.Play();
}
private static ISampleProvider GetProvider(ISampleProvider source, TimeSpan take, TimeSpan fadeIn, TimeSpan fadeOut, TimeSpan skip, float volume)
{
var offset = new OffsetSampleProvider(source)
{
SkipOver = skip, Take = take
};
var mono = offset.ToMono(volume, volume);
if (fadeIn == TimeSpan.Zero && fadeOut == TimeSpan.Zero)
{
return(mono);
}
var fade = new TimedFadeInOutSampleProvider(mono, fadeIn != TimeSpan.Zero);
if (fadeIn != TimeSpan.Zero)
{
fade.AddFadeIn(TimeSpan.Zero, fadeIn);
}
if (fadeOut != TimeSpan.Zero)
{
fade.AddFadeOut(take - fadeOut, fadeOut);
}
return(fade);
}