private void MakeWaveformAndSpectrogram(string videoFileName, string targetFile, int delayInMilliseconds)
{
var waveFile = new WavePeakGenerator(targetFile);
int sampleRate = Configuration.Settings.VideoControls.WaveformMinimumSampleRate; // Normally 128
while (waveFile.Header.SampleRate % sampleRate != 0 && sampleRate < 5000)
sampleRate++; // old sample-rate / new sample-rate must have rest = 0
waveFile.GeneratePeakSamples(sampleRate, delayInMilliseconds); // samples per second - SampleRate
//if (Configuration.Settings.VideoControls.GenerateSpectrogram)
//{
// //Directory.CreateDirectory(_spectrogramDirectory);
// //SpectrogramBitmaps = waveFile.GenerateFourierData(256, _spectrogramDirectory, delayInMilliseconds); // image height = nfft / 2
//}
waveFile.WritePeakSamples(Main.GetPeakWaveFileName(videoFileName));
waveFile.Close();
}
private void ReadWaveFile(string targetFile, int delayInMilliseconds)
{
labelProgress.Text = Configuration.Settings.Language.AddWaveform.GeneratingPeakFile;
Refresh();
var waveFile = new WavePeakGenerator(targetFile);
int sampleRate = Configuration.Settings.VideoControls.WaveformMinimumSampleRate; // Normally 128
while (waveFile.Header.SampleRate % sampleRate != 0 && sampleRate < 5000)
sampleRate++; // old sample-rate / new sample-rate must have rest = 0
waveFile.GeneratePeakSamples(sampleRate, delayInMilliseconds); // samples per second - SampleRate
if (Configuration.Settings.VideoControls.GenerateSpectrogram)
{
labelProgress.Text = Configuration.Settings.Language.AddWaveform.GeneratingSpectrogram;
Refresh();
Directory.CreateDirectory(_spectrogramDirectory);
SpectrogramBitmaps = waveFile.GenerateFourierData(256, _spectrogramDirectory, delayInMilliseconds); // image height = nfft / 2
}
WavePeak = waveFile;
waveFile.Close();
labelPleaseWait.Visible = false;
}