[DllImport(LibraryName, ExactSpelling = true)] public static extern int vorbis_synthesis_blockin(vorbis_dsp_state *v, vorbis_block *vb);
[DllImport(LibraryName, ExactSpelling = true)] public static extern int vorbis_synthesis_trackonly(vorbis_block *vb, ogg_packet *op);
[DllImport(LibraryName, ExactSpelling = true)] public static extern int vorbis_bitrate_addblock(vorbis_block *vb);
[DllImport(LibraryName, ExactSpelling = true)] public static extern int vorbis_analysis(vorbis_block *vb, ogg_packet *op);
[DllImport(LibraryName, ExactSpelling = true)] public static extern int vorbis_analysis_blockout(vorbis_dsp_state *v, vorbis_block *vb);
[DllImport(LibraryName, ExactSpelling = true)] public static extern int vorbis_block_clear(vorbis_block *vb);