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Diffstat (limited to 'drivers/vorbis/backends.h')
| -rw-r--r-- | drivers/vorbis/backends.h | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/drivers/vorbis/backends.h b/drivers/vorbis/backends.h deleted file mode 100644 index ff5bcc95fe..0000000000 --- a/drivers/vorbis/backends.h +++ /dev/null @@ -1,144 +0,0 @@ -/******************************************************************** - * * - * THIS FILE IS PART OF THE OggVorbis SOFTWARE 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 SOURCE CODE IS (C) COPYRIGHT 1994-2009 * - * by the Xiph.Org Foundation http://www.xiph.org/ * - * * - ******************************************************************** - - function: libvorbis backend and mapping structures; needed for - static mode headers - last mod: $Id: backends.h 16962 2010-03-11 07:30:34Z xiphmont $ - - ********************************************************************/ - -/* 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.... */ -/* Floor backend generic *****************************************/ -typedef struct{ - void (*pack) (vorbis_info_floor *,oggpack_buffer *); - vorbis_info_floor *(*unpack)(vorbis_info *,oggpack_buffer *); - vorbis_look_floor *(*look) (vorbis_dsp_state *,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,float *); -} vorbis_func_floor; - -typedef struct{ - int order; - long rate; - long barkmap; - - int ampbits; - int ampdB; - - int numbooks; /* <= 16 */ - int books[16]; - - float lessthan; /* encode-only config setting hacks for libvorbis */ - float greaterthan; /* encode-only config setting hacks for libvorbis */ - -} 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 */ - - - /* encode side analysis parameters */ - float maxover; - float maxunder; - float maxerr; - - float twofitweight; - float twofitatten; - - int n; - -} vorbis_info_floor1; - -/* Residue backend generic *****************************************/ -typedef struct{ - void (*pack) (vorbis_info_residue *,oggpack_buffer *); - vorbis_info_residue *(*unpack)(vorbis_info *,oggpack_buffer *); - vorbis_look_residue *(*look) (vorbis_dsp_state *, - vorbis_info_residue *); - void (*free_info) (vorbis_info_residue *); - void (*free_look) (vorbis_look_residue *); - long **(*class) (struct vorbis_block *,vorbis_look_residue *, - int **,int *,int); - int (*forward) (oggpack_buffer *,struct vorbis_block *, - vorbis_look_residue *, - int **,int *,int,long **,int); - int (*inverse) (struct vorbis_block *,vorbis_look_residue *, - float **,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 partvals; /* partitions ^ groupbook dim */ - int groupbook; /* huffbook for partitioning */ - int secondstages[64]; /* expanded out to pointers in lookup */ - int booklist[512]; /* list of second stage books */ - - const int classmetric1[64]; - const int classmetric2[64]; -} vorbis_info_residue0; - -/* Mapping backend generic *****************************************/ -typedef struct{ - void (*pack) (vorbis_info *,vorbis_info_mapping *, - oggpack_buffer *); - vorbis_info_mapping *(*unpack)(vorbis_info *,oggpack_buffer *); - void (*free_info) (vorbis_info_mapping *); - int (*forward) (struct vorbis_block *vb); - int (*inverse) (struct vorbis_block *vb,vorbis_info_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 coupling_steps; - int coupling_mag[256]; - int coupling_ang[256]; - -} vorbis_info_mapping0; - -#endif |