lib/mapping0.h

   1 /********************************************************************
   2  *                                                                  *
   3  * THIS FILE IS PART OF THE Ogg Vorbis SOFTWARE CODEC SOURCE CODE.  *
   4  * USE, DISTRIBUTION AND REPRODUCTION OF THIS SOURCE IS GOVERNED BY *
   5  * THE GNU PUBLIC LICENSE 2, WHICH IS INCLUDED WITH THIS SOURCE.    *
   6  * PLEASE READ THESE TERMS DISTRIBUTING.                            *
   7  *                                                                  *
   8  * THE OggSQUISH SOURCE CODE IS (C) COPYRIGHT 1994-2000             *
   9  * by Monty <monty@xiph.org> and The XIPHOPHORUS Company            *
  10  * http://www.xiph.org/                                             *
  11  *                                                                  *
  12  ********************************************************************
  13
  14  function: channel mapping 0 implementation
  15  last mod: $Id: mapping0.h,v 1.1 2000/01/20 04:43:02 xiphmont Exp $
  16
  17  ********************************************************************/
  18
  19 typedef struct vorbis_info_mapping0{
  20   int    timesubmap;    /* list position of the time backend/settings
  21                            we're using */
  22
  23   int   *floorsubmap;   /* for each floor map, which channels */
  24   int   *residuesubmap; /* residue to use for each incoming channel */
  25   int   *psysubmap;     /* psychoacoustics to use for each incoming channel */
  26
  27 } vorbis_info_mapping0;
  28
  29 extern _vi_info_map *_vorbis_map0_dup      (vorbis_info *vi,
  30                                             _vi_info_map *source);
  31 extern void          _vorbis_map0_free     (_vi_info_map *i);
  32 extern void          _vorbis_map0_pack     (vorbis_info *vi,
  33                                             oggpack_buffer *opb,
  34                                             _vi_info_map *i);
  35 extern _vi_info_map *_vorbis_map0_unpack   (vorbis_info *vi,
  36                                             oggpack_buffer *opb);
  37 extern int           _vorbis_map0_analysis (vorbis_block *vb,
  38                                             _vi_info_map *i,ogg_packet *);
  39 extern int           _vorbis_map0_synthesis(vorbis_block *vb,
  40                                             _vi_info_map *i,ogg_packet *);
  41