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- #ifndef _vorbis_backend_h_
- #define _vorbis_backend_h_
- #include "codec_internal.h"
- typedef struct{
- void (*pack) (vorbis_info_time *,oggpack_buffer *);
- vorbis_info_time *(*unpack)(vorbis_info *,oggpack_buffer *);
- vorbis_look_time *(*look) (vorbis_dsp_state *,vorbis_info_mode *,
- vorbis_info_time *);
- vorbis_info_time *(*copy_info)(vorbis_info_time *);
- void (*free_info) (vorbis_info_time *);
- void (*free_look) (vorbis_look_time *);
- int (*forward) (struct vorbis_block *,vorbis_look_time *,
- float *,float *);
- int (*inverse) (struct vorbis_block *,vorbis_look_time *,
- float *,float *);
- } vorbis_func_time;
- typedef struct{
- int dummy;
- } vorbis_info_time0;
- 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_mode *,
- vorbis_info_floor *);
- vorbis_info_floor *(*copy_info)(vorbis_info_floor *);
- void (*free_info) (vorbis_info_floor *);
- void (*free_look) (vorbis_look_floor *);
- int (*forward) (struct vorbis_block *,vorbis_look_floor *,
- const float *, const float *,
- const float *, const float *,
- float *, float *);
- 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;
- int books[16];
- float lessthan;
- float greaterthan;
- } vorbis_info_floor0;
- #define VIF_POSIT 63
- #define VIF_CLASS 16
- #define VIF_PARTS 31
- typedef struct{
- int partitions;
- int partitionclass[VIF_PARTS];
- int class_dim[VIF_CLASS];
- int class_subs[VIF_CLASS];
- int class_book[VIF_CLASS];
- int class_subbook[VIF_CLASS][8];
- int mult;
- int postlist[VIF_POSIT+2];
-
- float maxover;
- float maxunder;
- float maxerr;
- int twofitminsize;
- int twofitminused;
- int twofitweight;
- float twofitatten;
- int unusedminsize;
- int unusedmin_n;
- } vorbis_info_floor1;
- 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_mode *,
- vorbis_info_residue *);
- vorbis_info_residue *(*copy_info)(vorbis_info_residue *);
- void (*free_info) (vorbis_info_residue *);
- void (*free_look) (vorbis_look_residue *);
- int (*forward) (struct vorbis_block *,vorbis_look_residue *,
- float **,int *,int);
- int (*inverse) (struct vorbis_block *,vorbis_look_residue *,
- float **,int *,int);
- } vorbis_func_residue;
- typedef struct vorbis_info_residue0{
- long begin;
- long end;
-
- int grouping;
- int partitions;
- int groupbook;
- int secondstages[64];
- int booklist[256];
-
- float entmax[64];
- float ampmax[64];
- int subgrp[64];
- int blimit[64];
- } vorbis_info_residue0;
- typedef struct{
- void (*pack) (vorbis_info *,vorbis_info_mapping *,
- oggpack_buffer *);
- vorbis_info_mapping *(*unpack)(vorbis_info *,oggpack_buffer *);
- vorbis_look_mapping *(*look) (vorbis_dsp_state *,vorbis_info_mode *,
- vorbis_info_mapping *);
- vorbis_info_mapping *(*copy_info)(vorbis_info_mapping *);
- void (*free_info) (vorbis_info_mapping *);
- void (*free_look) (vorbis_look_mapping *);
- int (*forward) (struct vorbis_block *vb,vorbis_look_mapping *);
- int (*inverse) (struct vorbis_block *vb,vorbis_look_mapping *);
- } vorbis_func_mapping;
- typedef struct vorbis_info_mapping0{
- int submaps;
- int chmuxlist[256];
-
- int timesubmap[16];
- int floorsubmap[16];
- int residuesubmap[16];
- int psysubmap[16];
- int coupling_steps;
- int coupling_mag[256];
- int coupling_ang[256];
- } vorbis_info_mapping0;
- #endif
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