public TrackGain(int sampleRate, int sampleSize)
{
if (!ReplayGain.IsSupportedFormat(sampleRate, sampleSize))
{
throw new NotSupportedException("Unsupported format. Supported sample sizes are 16, 24.");
}
this.freqIndex = ReplayGain.FreqInfos.IndexOf(i => i.SampleRate == sampleRate);
this.sampleSize = sampleSize;
this.gainData = new GainData();
this.lInPreBuf = new double[ReplayGain.MAX_ORDER * 2];
this.lStepBuf = new double[ReplayGain.MAX_SAMPLES_PER_WINDOW + ReplayGain.MAX_ORDER];
this.lOutBuf = new double[ReplayGain.MAX_SAMPLES_PER_WINDOW + ReplayGain.MAX_ORDER];
this.rInPreBuf = new double[ReplayGain.MAX_ORDER * 2];
this.rStepBuf = new double[ReplayGain.MAX_SAMPLES_PER_WINDOW + ReplayGain.MAX_ORDER];
this.rOutBuf = new double[ReplayGain.MAX_SAMPLES_PER_WINDOW + ReplayGain.MAX_ORDER];
this.sampleWindow = (int)Math.Ceiling(sampleRate * ReplayGain.RMS_WINDOW_TIME);
this.lInPre = new CPtr <double>(lInPreBuf, ReplayGain.MAX_ORDER);
this.lStep = new CPtr <double>(lStepBuf, ReplayGain.MAX_ORDER);
this.lOut = new CPtr <double>(lOutBuf, ReplayGain.MAX_ORDER);
this.rInPre = new CPtr <double>(rInPreBuf, ReplayGain.MAX_ORDER);
this.rStep = new CPtr <double>(rStepBuf, ReplayGain.MAX_ORDER);
this.rOut = new CPtr <double>(rOutBuf, ReplayGain.MAX_ORDER);
}
/// <summary>
/// Returns the normalization gain for the track in decibels.
/// </summary>
public double GetGain()
{
return(ReplayGain.AnalyzeResult(this.gainData.Accum));
}