public void WriteHeaders(int channels, int sampleRate, ushort preSkip)
{
var opusHead = new OpusHead
{
Version = 1,
OutputChannelCount = (byte)channels,
PreSkip = preSkip,
InputSampleRate = (uint)sampleRate,
OutputGain = 0,
ChannelMappingFamily = 0
};
Span <byte> span = stackalloc byte[opusHead.Size];
var opusHeadSpanWriter = new SpanWriter(span);
opusHeadSpanWriter.WriteOpusHead(opusHead);
WriteOggPage(OggHeaderType.BeginningOfStream, opusHeadSpanWriter.ToArray());
span.Clear();
var opusTags = new OpusTags();
var opusTagsSpanWriter = new SpanWriter(span);
opusTagsSpanWriter.WriteOpusTags(opusTags);
WriteOggPage(OggHeaderType.None, opusTagsSpanWriter.ToArray());
}