public Main()
{
InitializeComponent();
rtlLut = new float[256];
for (int i = 0; i < 256; i++)
{
rtlLut[i] = (i - 128) * (1f / 127f);
}
List <AudioDevice> audioDevices = AudioDevice.GetDevices(AudioDeviceDirection.Output);
AudioDevice df = new AudioDevice("", "", 0, AudioDeviceDirection.Output, true);
foreach (AudioDevice d in audioDevices)
{
Console.WriteLine(d.Name);
if (d.IsDefault)
{
df = d;
}
}
audioFifo = new Queue <float>();
audioLock = new object();
pl = new AudioPlayer(df.Index, audioSampleRate, (uint)(audioBufferInMs * audioSampleRate / 1000), audioBufferNeeded);
rtlDevice = new RtlDevice(0);
rtlDevice.SamplesAvailable += RtlDevice_SamplesAvailable;
rtlDevice.Frequency = 200600000;
rtlDevice.SampleRate = 2560000;
fmCrusher = new FmCrusher(2560000, audioSampleRate);
fmCrusher.AudioEvent += FmCrusher_AudioEvent;
rtlDevice.Start();
}
public unsafe SharpTest()
{
InitializeComponent();
powerBuffer = DataBuffer.Create(fftBins, sizeof(float));
powerBufferDecimator = DataBuffer.Create(fftBins, sizeof(float));
fftBuffer = DataBuffer.Create(fftBins, sizeof(Complex));
powerPtr = (float *)powerBuffer;
powerDecimatorPtr = (float *)powerBufferDecimator;
fftBufferPtr = (Complex *)fftBuffer;
hammingWindow = Filters.generateHammingWindow(fftBins);
offsetTrackBar.Value = mainSpectrumAnalyzer.DisplayOffset;
displayRangeBar.Value = mainSpectrumAnalyzer.DisplayRange;
fmDemod = new FMDemodulator();
List <AudioDevice> devices = AudioDevice.GetDevices(AudioDeviceDirection.Output);
foreach (AudioDevice d in devices)
{
if (d.IsDefault)
{
audioDeviceIdx = d.Index;
break;
}
}
updateFrequency((uint)(105.7 * 1000 * 1000));
sFFT = new SFFT(fftBins);
}
public void StartRecording()
{
var sampleRate = 44100;
var channelCount = 1;
// Start recording from the main camera
recordingClock = new RealtimeClock();
videoRecorder = new MP4Recorder(videoWidth, videoHeight, 30, sampleRate, channelCount, OnRecording);
cameraInput = new CameraInput(videoRecorder, recordingClock, Camera.main);
// Start the microphone
audioDevice = AudioDevice.GetDevices()[0];
audioDevice.StartRecording(sampleRate, channelCount, this);
}
