private void button1_Click(object sender, RoutedEventArgs e)
{
settings.IsProcessing = true;
progBarMessage.Visibility = Visibility.Visible;
settings.StartEnabled = false;
settings.ProcessEnabled = false;
var calculate = Task.Factory.StartNew(() =>
{
prgrs.Report(0);
audioFile = new AudioFileReader(settings.InputFile);
audioFile.ToStereo();
var n = audioFile.Length / (audioFile.WaveFormat.BitsPerSample / 8) / audioFile.WaveFormat.Channels;
var outFormat = new WaveFormat(settings.SampleRate, 2);
ISampleProvider wave;
using (var resampler = new MediaFoundationResampler(audioFile, outFormat))
{
wave = resampler.ToSampleProvider();
}
//MessageBox.Show(audioFile.WaveFormat.Channels.ToString());
//audioFile.ToMono();
//audioFile.ToStereo();
var bits = wave.WaveFormat.BitsPerSample;
var Fs = wave.WaveFormat.SampleRate;
//MessageBox.Show(Fs.ToString());
var channels = wave.WaveFormat.Channels;
//string outpath = @"E:\states.dat";
string outwav = settings.OutputFile;
float FS = settings.SampleRate;
prgrs.Report(10);
Thread.Sleep(200);
using (WaveFileWriter outWavFile = new WaveFileWriter(outwav, new WaveFormat((int)FS, 16, 2)))
{
float period = settings.Period; // ms
double fullPath = period;
int bb = 0;
int i = 0;
bool mode = false;
do
{
if (i % 1000 == 0)
{
prgrs.Report((int)(i / (float)n * 100 * 0.9f + 10f));
}
float[] samples = new float[2];
bb = wave.Read(samples, 0, samples.Length);
var leftVal = samples[0];
var rightVal = samples[1];
var curPath = (i * 1000f / FS);
if (curPath >= fullPath)
{
mode = !mode;
fullPath = fullPath + period;
}
if (mode == true)
{
leftVal = 0;
}
else
{
rightVal = 0;
}
//writer.Write(leftVal);
//writer.Write(rightVal);
outWavFile.WriteSample(leftVal);
outWavFile.WriteSample(rightVal);
i++;
} while (bb > 0);
prgrs.Report(95);
//writer.Flush();
//writer.Close();
outWavFile.Flush();
prgrs.Report(100);
outWavFile.Close();
}
//outputDevice.Init(audioFile);
});
calculate.GetAwaiter().OnCompleted(() =>
{
settings.IsProcessing = false;
progBarMessage.Visibility = Visibility.Hidden;
settings.StartEnabled = true;
settings.ProcessEnabled = true;
MessageBox.Show("Готово!");
prgrs.Report(0);
});
}
