public void Encode(OggStreamState oggStreamState, VorbisBlock block, Stream stream)
{
OggPacket packet = new OggPacket();
OggPage page = new OggPage();
/* vorbis does some data preanalysis, then divvies up blocks for
* more involved (potentially parallel) processing. Get a single
* block for encoding now */
while (BlockOut(block))
{
/* analysis, assume we want to use bitrate management */
block.Analyze();
block.BitrateAddBlock();
while (BitrateFlushPacket(packet) != 0)
{
/* weld the packet into the bitstream */
NativeMethods.ogg_stream_packetin(ref oggStreamState.InternalStruct, ref packet.InternalStruct);
/* write out pages (if any) */
bool eos = false;
while (!eos)
{
int result = NativeMethods.ogg_stream_pageout(ref oggStreamState.InternalStruct, ref og);
if (result == 0)
{
break;
}
page.Write(stream);
/* this could be set above, but for illustrative purposes, I do
* it here (to show that vorbis does know where the stream ends) */
if (xm.ogg_page_eos(ref page.InternalStruct) != 0)
{
eos = true;
}
}
}
}
}
public bool BlockOut(VorbisBlock block)
{
return(NativeMethods.vorbis_analysis_blockout(ref InternalStruct, ref block.InternalStruct) == 1);
}