/// <summary>
/// Force a timed frame into the encoder's buffers.
/// May cause unexpected operation. Use with caution!
/// </summary>
public void ForceInsertFrame(TimedSample AudioFrame)
{
if (AudioBuffers != null)
{
AudioBuffers.HandleCapturedSamples(this, new AudioDataEventArgs()
{
Samples = AudioFrame.Samples, CaptureTime = AudioFrame.Seconds
});
}
else
{
throw new Exception("Can't send audio frame to uninitialised buffer. Please include an audio device in your config.");
}
}
IEnumerable <TimedSample> GetTimedSamples(int count, TimeSpan interval)
{
TimedSample sample = null;
for (int i = 0; i < count; i++)
{
sample = new TimedSample()
{
Value = String.Format("Item{0}", i),
Begin = sample != null ? sample.End : DateTime.Now,
End = (sample != null ? sample.End : DateTime.Now) + interval
};
yield return(sample);
}
}
/// <summary>
/// Called by plug-in host (encoder)
/// </summary>
public void ProcessSample(TimedSample Sample)
{
float[] samps = ResampleForTone(Sample.Samples);
foreach (float s in samps)
{
osc[osc_pos] *= decay; // fade old signal, to reduce response time
osc[osc_pos] += s * gain;
osc_pos = (osc_pos + 1) % osc.Length;
if (osc_pos == 0)
{
// Prepare
BalanceOscillator();
FilterOscillator();
// Tone detection
DetectTone();
}
}
}