protected override void Update()
{
base.Update();
float[] levels = new float[2];
BassMix.ChannelGetLevel(ChannelHandle, levels, 1 / 1000f * sample_window, LevelRetrievalFlags.Stereo);
float curPeakL = levels[0];
float curPeakR = levels[1];
float curPeak = (curPeakL + curPeakR) / 2f;
if (curPeak > maxPeak || Clock.CurrentTime - lastMaxPeakTime > peak_hold_time)
{
lastMaxPeakTime = Clock.CurrentTime;
maxPeak = float.MinValue;
}
maxPeak = Math.Max(maxPeak, curPeak);
volBarL.ResizeHeightTo(curPeakL, sample_window * 4);
volBarR.ResizeHeightTo(curPeakR, sample_window * 4);
string peakDisplay = curPeak == 0 ? "-∞ " : $"{BassUtils.LevelToDb(curPeak):F}";
string maxPeakDisplay = maxPeak == 0 ? "-∞ " : $"{BassUtils.LevelToDb(maxPeak):F}";
peakText.Text = $"curr: {peakDisplay}dB";
maxPeakText.Text = $"peak: {maxPeakDisplay}dB";
peakText.Colour = BassUtils.LevelToDb(curPeak) > 0 ? Colour4.Red : Colour4.White;
maxPeakText.Colour = BassUtils.LevelToDb(maxPeak) > 0 ? Colour4.Red : Colour4.White;
}
public bool ChannelGetLevel(IBassAudioChannel channel, [In, Out] float[] levels, float length, LevelRetrievalFlags flags) => BassMix.ChannelGetLevel(channel.Handle, levels, length, flags) != -1;