public IAsyncAction CloseAsync()
{
return(Task.Run(async() =>
{
await BodyIndexReader?.CloseAsync();
BodyIndexReader?.Dispose();
BodyIndexReader = null;
await BodyReader?.CloseAsync();
BodyReader?.Dispose();
BodyReader = null;
await ColorReader?.CloseAsync();
ColorReader?.Dispose();
ColorReader = null;
await DepthReader?.CloseAsync();
DepthReader?.Dispose();
DepthReader = null;
AudioReader?.Close();
AudioReader?.Dispose();
AudioReader = null;
_mediaCapture?.Dispose();
_mediaCapture = null;
_networkClient?.CloseConnection();
_networkClient = null;
_networkServer?.CloseConnection();
_networkServer = null;
}).AsAsyncAction());
}
/*
* Yet im not able to calculate FFT with non power of 2 fftsize. !!! check it out? !!! it is important? !!!
* -------> WIP <---------------
* public ShortTimeFourierTransform(string filePath, double frequencyGap, double timeResolution = 0.010)
* {
* FilePath = filePath;
* TimeResolution = timeResolution;
* Reset();
* FFTLength = (int)(AudioReader.WaveFormat.SampleRate / frequencyGap);
* m = (int)Math.Log(FFTLength, 2.0);
* } */
public void Start()
{
Reset();
float[] samples = new float[SampleCount];
Stopwatch stopwatch = Stopwatch.StartNew();
SampleProvider.Read(new float[SampleCount], 0, SampleCount);
SampleProvider.Sample -= OnSample;
stopwatch.Stop();
AudioReader.Dispose();
Ended?.Invoke(stopwatch.Elapsed.TotalSeconds);
}
public async Task FFmpegWrapperProgressTest()
{
var path = Res.GetPath(Res.Audio_Ogg);
var opath = "out-test.mp3";
double lastval = -1;
try
{
var audio = new AudioReader(path);
await audio.LoadMetadataAsync();
var dur = audio.Metadata.Duration;
audio.Dispose();
Assert.True(Math.Abs(dur - 1.515102) < 0.01);
var p = FFmpegWrapper.ExecuteCommand("ffmpeg", $"-i \"{path}\" \"{opath}\"");
var progress = FFmpegWrapper.RegisterProgressTracker(p, dur);
progress.ProgressChanged += (s, prg) => lastval = prg;
p.WaitForExit();
await Task.Delay(300);
Assert.True(lastval > 50 && lastval <= 100);
audio = new AudioReader(opath);
await audio.LoadMetadataAsync();
Assert.True(audio.Metadata.Channels == 2);
Assert.True(audio.Metadata.Streams.Length == 1);
Assert.True(Math.Abs(audio.Metadata.Duration - 1.515102) < 0.2);
audio.Dispose();
}
finally
{
if (File.Exists(opath))
{
File.Delete(opath);
}
}
}
