private void AddToSampleAggregator(byte[] buffer, int bytesRecorded, bool isFloatingPointAudio)
{
var buff = new WaveBuffer(buffer);
if (isFloatingPointAudio)
{
for (var index = 0; index < bytesRecorded / 4; ++index)
{
var sample = buff.FloatBuffer[index];
_sampleAggregator?.Add(sample);
}
}
else
{
for (var index = 0; index < bytesRecorded / 2; ++index)
{
var sample = buff.ShortBuffer[index];
_sampleAggregator?.Add(sample / 32768F);
}
}
}
private void WaveSourceDataAvailableHandler(object sender, WaveInEventArgs waveInEventArgs)
{
// as audio samples are provided by WaveIn, we hook in here
// and write them to disk, encoding to MP3 on the fly
// using the _mp3Writer...
byte[] buffer = waveInEventArgs.Buffer;
int bytesRecorded = waveInEventArgs.BytesRecorded;
if (_fader != null && _fader.Active)
{
// we're fading out...
_fader.FadeBuffer(buffer, bytesRecorded);
}
for (int index = 0; index < bytesRecorded; index += 2)
{
short sample = (short)((buffer[index + 1] << 8) | buffer[index + 0]);
float sample32 = sample / 32768F;
_sampleAggregator.Add(sample32);
}
_mp3Writer.Write(buffer, 0, bytesRecorded);
}
private void SampleRead(object sender, SampleEventArgs e)
{
sampleAggregator.Add(e.Left, e.Right);
}
void waveStream_Sample(object sender, SampleEventArgs e)
{
waveformAggregator.Add(e.Left, e.Right);
}
