public void Encode(ReadOnlySpan <byte> pcm, ref Span <byte> target)
{
if (pcm.Length != target.Length)
{
throw new ArgumentException("PCM and Opus buffer lengths need to be equal.", nameof(target));
}
var duration = AudioFormat.CalculateSampleDuration(pcm.Length);
var frameSize = AudioFormat.CalculateFrameSize(duration);
var sampleSize = AudioFormat.CalculateSampleSize(duration);
if (pcm.Length != sampleSize)
{
throw new ArgumentException("Invalid PCM sample size.", nameof(target));
}
Interop.OpusEncode(Encoder, pcm, frameSize, ref target);
}