--- a/misc/libtremor/tremor/backends.h Tue Jul 23 14:01:23 2013 -0700
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,130 +0,0 @@
-/********************************************************************
- * *
- * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. *
- * *
- * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
- * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
- * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
- * *
- * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
- * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ *
- * *
- ********************************************************************
-
- function: backend and mapping structures
-
- ********************************************************************/
-
-/* this is exposed up here because we need it for static modes.
- Lookups for each backend aren't exposed because there's no reason
- to do so */
-
-#ifndef _vorbis_backend_h_
-#define _vorbis_backend_h_
-
-#include "codec_internal.h"
-
-/* this would all be simpler/shorter with templates, but.... */
-/* Transform backend generic *************************************/
-
-/* only mdct right now. Flesh it out more if we ever transcend mdct
- in the transform domain */
-
-/* Floor backend generic *****************************************/
-typedef struct{
- vorbis_info_floor *(*unpack)(vorbis_info *,oggpack_buffer *);
- vorbis_look_floor *(*look) (vorbis_dsp_state *,vorbis_info_mode *,
- vorbis_info_floor *);
- void (*free_info) (vorbis_info_floor *);
- void (*free_look) (vorbis_look_floor *);
- void *(*inverse1) (struct vorbis_block *,vorbis_look_floor *);
- int (*inverse2) (struct vorbis_block *,vorbis_look_floor *,
- void *buffer,ogg_int32_t *);
-} vorbis_func_floor;
-
-typedef struct{
- int order;
- long rate;
- long barkmap;
-
- int ampbits;
- int ampdB;
-
- int numbooks; /* <= 16 */
- int books[16];
-
-} vorbis_info_floor0;
-
-#define VIF_POSIT 63
-#define VIF_CLASS 16
-#define VIF_PARTS 31
-typedef struct{
- int partitions; /* 0 to 31 */
- int partitionclass[VIF_PARTS]; /* 0 to 15 */
-
- int class_dim[VIF_CLASS]; /* 1 to 8 */
- int class_subs[VIF_CLASS]; /* 0,1,2,3 (bits: 1<<n poss) */
- int class_book[VIF_CLASS]; /* subs ^ dim entries */
- int class_subbook[VIF_CLASS][8]; /* [VIF_CLASS][subs] */
-
-
- int mult; /* 1 2 3 or 4 */
- int postlist[VIF_POSIT+2]; /* first two implicit */
-
-} vorbis_info_floor1;
-
-/* Residue backend generic *****************************************/
-typedef struct{
- vorbis_info_residue *(*unpack)(vorbis_info *,oggpack_buffer *);
- vorbis_look_residue *(*look) (vorbis_dsp_state *,vorbis_info_mode *,
- vorbis_info_residue *);
- void (*free_info) (vorbis_info_residue *);
- void (*free_look) (vorbis_look_residue *);
- int (*inverse) (struct vorbis_block *,vorbis_look_residue *,
- ogg_int32_t **,int *,int);
-} vorbis_func_residue;
-
-typedef struct vorbis_info_residue0{
-/* block-partitioned VQ coded straight residue */
- long begin;
- long end;
-
- /* first stage (lossless partitioning) */
- int grouping; /* group n vectors per partition */
- int partitions; /* possible codebooks for a partition */
- int groupbook; /* huffbook for partitioning */
- int secondstages[64]; /* expanded out to pointers in lookup */
- int booklist[256]; /* list of second stage books */
-} vorbis_info_residue0;
-
-/* Mapping backend generic *****************************************/
-typedef struct{
- vorbis_info_mapping *(*unpack)(vorbis_info *,oggpack_buffer *);
- vorbis_look_mapping *(*look) (vorbis_dsp_state *,vorbis_info_mode *,
- vorbis_info_mapping *);
- void (*free_info) (vorbis_info_mapping *);
- void (*free_look) (vorbis_look_mapping *);
- int (*inverse) (struct vorbis_block *vb,vorbis_look_mapping *);
-} vorbis_func_mapping;
-
-typedef struct vorbis_info_mapping0{
- int submaps; /* <= 16 */
- int chmuxlist[256]; /* up to 256 channels in a Vorbis stream */
-
- int floorsubmap[16]; /* [mux] submap to floors */
- int residuesubmap[16]; /* [mux] submap to residue */
-
- int psy[2]; /* by blocktype; impulse/padding for short,
- transition/normal for long */
-
- int coupling_steps;
- int coupling_mag[256];
- int coupling_ang[256];
-} vorbis_info_mapping0;
-
-#endif
-
-
-
-
-