private void RealtimeSpectrumUpdateCall(int currentSample, int deltaSamples)
{
//рисуем спектр
float[] spectrum = _currentWavFileData.GetSpectrumForPosition(currentSample, _fftProvider);
int useSamples = SpectrumUseSamples >> 1;
if (ApplyTimeThinning)
{
useSamples >>= 1;
}
//TODO: Extract Frequency Trimming
useSamples = (int)(useSamples * TrimFrequency / 20000f);
_spectrumBitmap.Clear();
//float freqResolution = (float) _currentWavFileData.sampleRate / SpectrumUseSamples;
//TODO: Add Spectrum Easing
_realtimeSpectrumParameters["frequencies"] = spectrum;
_realtimeSpectrumParameters["useFullCount"] = useSamples;
TrueSpectrumDrawer.Recreate(_realtimeSpectrumParameters);
}
private void VolumeDrawerUpdateCall(int currentSample, int deltaSamples)
{
_volumeDrawerParameters["leftVolumeNormalized"] = _trueVolumeProvider.LastLeft;
_volumeDrawerParameters["rightVolumeNormalized"] = _trueVolumeProvider.LastRight;
//TODO: This place is performance critical, improve by implementing swapable buffers
_volumeBitmap.Clear();
TrueVolumeDrawer.Recreate(_volumeDrawerParameters);
}
private void SetWaveformProvider()
{
_waveformParameters = new Dictionary <string, object>();
_waveformBitmap.Clear();
_waveformParameters["directBitmap"] = _waveformBitmap;
_waveformParameters["leftColor"] = (int)(0x7cfc00 | (0xFF << 24)); //LawnGreen
_waveformParameters["rightColor"] = (int)(0xff4500 | (0xFF << 24)); //OrangeRed
_waveformParameters["leftChannel"] = _currentWavFileData.ChannelsSamples[0];
_waveformParameters["rightChannel"] = _currentWavFileData.ChannelsSamples[1];
_waveformParameters["samplesCount"] = _currentWavFileData.samplesCount;
_waveformParameters["verticalScale"] = 0.9f;
_waveformParameters["takeRate"] = 3;
_waveformParameters["iterations"] = 2;
_waveformParameters["splitWorkFirst"] = true;
_waveformParameters["portions"] = 2;
new TrueWaveformProvider().RecreateAsync(_waveformParameters);
}