private int buffer_data(Stream sin, Xiph.ogg_sync_state oy)
{
int num = 0;
byte[] buffer = null;
int offset = 0;
lock (sin)
{
if (Xiph.ogg_sync_buffer(oy, 4096, out buffer, out offset))
{
sin.Position = this.instream_pos;
num = sin.Read(buffer, offset, 4096);
Xiph.ogg_sync_wrote(oy, num);
this.instream_pos = sin.Position;
}
}
return(num);
}