public Mp3Reader(Mp3Provider provider, int index, int bufferLength)
{
_Provider = provider;
_Index = index;
_BufferLength = bufferLength;
_FrameLength = _Provider._RawFormat.BitsPerSample / 8 * _Provider._RawFormat.Channels;
_MaxOffset = _Provider._RawData.Length - _FrameLength * _BufferLength;
}
private void FormFourier_Shown(object sender, EventArgs e)
{
_Provider = new Mp3Provider(OpenFile());
//_Provider = new LoopbackCaptureProvider();
//_Provider = new WaveInProvider();
_Reader = _Provider.GetReader(0, FFTLength(_Provider.Format.SampleRate));
_PlayControl = _Provider.GetPlayControl();
_Compressed = _PlayControl.GetSpectrum();
_FFTPlayer = new FFTPlayer(_Reader);
_RendererSpectrum = new SpectrumRenderer
{
Source = () => _Compressed,
ScaleY = CalcScaleYSpec,
};
_ManagerSpectrum = new RenderingManager
{
Target = pictureBox1,
MarginTop = 10,
MarginBottom = 10,
};
_ManagerSpectrum.Layers.Add(_RendererSpectrum);
_ManagerSpectrum.Layers.Add(new PlayControlLabelXProvider(_PlayControl));
_ManagerSpectrum.Start(120);
_ManagerSpectrum.DoubleClick += RendererSpectrum_DoubleClick;
_Range = new NoteRange
{
Base = NoteConstants.C4Position(_Provider.Format.SampleRate),
OffsetMin = -4,
OffsetMax = 5,
};
_NoteLabel = new NoteLabelGroup {
Range = _Range
};
_Recorder = new FFTImageRecorder(600, 800, 3, Color.White, Color.Red, Color.Yellow);
_RendererFFT = new SpectrumRenderer
{
//Source = GetFFTData,
Source2 = GetFFTData2,
ScaleX = _Range.CalculateLogScale,
ScaleY = CalcScaleYFFT,
FixedRangeY = 10,
};
_RendererFFT.DataReceivers.Add(_Recorder);
_ManagerFFT = new RenderingManager
{
Target = pictureBox2,
MarginLeft = 10,
MarginRight = 10,
MarginTop = 0,
MarginBottom = 0,
};
_ManagerFFT.Layers.Add(_Recorder);
_ManagerFFT.Layers.Add(_RendererFFT);
_ManagerFFT.Layers.Add(_NoteLabel);
_Provider.StateChanged += () =>
{
_Recorder.Enabled = _Provider.IsPlaying;
};
_Recorder.Enabled = _Provider.IsPlaying;
_ManagerFFT.Start(15);
}
