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Code Issues Releases Wiki Activity

Update libvorbis to 1.3.3.

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This commit is contained in:
lllucius
2013-10-24 18:24:47 +00:00
parent 78309687be
commit 3a33e2f717
374 changed files with 119632 additions and 45432 deletions
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81
lib-src/libvorbis/lib/codebook.h
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@@ -5,13 +5,13 @@
* 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 1994-2007 *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: basic shared codebook operations
last mod: $Id: codebook.h,v 1.7 2008-02-02 15:53:51 richardash1981 Exp $
last mod: $Id: codebook.h 17030 2010-03-25 06:52:55Z xiphmont $
********************************************************************/
@@ -40,8 +40,8 @@ typedef struct static_codebook{
/* mapping ***************************************************************/
int maptype; /* 0=none
1=implicitly populated values from map column
2=listed arbitrary values */
1=implicitly populated values from map column
2=listed arbitrary values */
/* The below does a linear, single monotonic sequence mapping. */
long q_min; /* packed 32 bit float; quant value 0 maps to minval */
@@ -50,52 +50,11 @@ typedef struct static_codebook{
int q_sequencep; /* bitflag */
long *quantlist; /* map == 1: (int)(entries^(1/dim)) element column map
map == 2: list of dim*entries quantized entry vals
*/
/* encode helpers ********************************************************/
struct encode_aux_nearestmatch *nearest_tree;
struct encode_aux_threshmatch *thresh_tree;
struct encode_aux_pigeonhole *pigeon_tree;
map == 2: list of dim*entries quantized entry vals
*/
int allocedp;
} static_codebook;
/* this structures an arbitrary trained book to quickly find the
nearest cell match */
typedef struct encode_aux_nearestmatch{
/* pre-calculated partitioning tree */
long *ptr0;
long *ptr1;
long *p; /* decision points (each is an entry) */
long *q; /* decision points (each is an entry) */
long aux; /* number of tree entries */
long alloc;
} encode_aux_nearestmatch;
/* assumes a maptype of 1; encode side only, so that's OK */
typedef struct encode_aux_threshmatch{
float *quantthresh;
long *quantmap;
int quantvals;
int threshvals;
} encode_aux_threshmatch;
typedef struct encode_aux_pigeonhole{
float min;
float del;
int mapentries;
int quantvals;
long *pigeonmap;
long fittotal;
long *fitlist;
long *fitmap;
long *fitlength;
} encode_aux_pigeonhole;
typedef struct codebook{
long dim; /* codebook dimensions (elements per vector) */
long entries; /* codebook entries */
@@ -105,7 +64,7 @@ typedef struct codebook{
/* for encode, the below are entry-ordered, fully populated */
/* for decode, the below are ordered by bitreversed codeword and only
used entries are populated */
float *valuelist; /* list of dim*entries actual entry values */
float *valuelist; /* list of dim*entries actual entry values */
ogg_uint32_t *codelist; /* list of bitstream codewords for each entry */
int *dec_index; /* only used if sparseness collapsed */
@@ -114,9 +73,12 @@ typedef struct codebook{
int dec_firsttablen;
int dec_maxlength;
/* The current encoder uses only centered, integer-only lattice books. */
int quantvals;
int minval;
int delta;
} codebook;
extern void vorbis_staticbook_clear(static_codebook *b);
extern void vorbis_staticbook_destroy(static_codebook *b);
extern int vorbis_book_init_encode(codebook *dest,const static_codebook *source);
extern int vorbis_book_init_decode(codebook *dest,const static_codebook *source);
@@ -137,23 +99,20 @@ extern long vorbis_book_codelen(codebook *book,int entry);
extern int vorbis_staticbook_pack(const static_codebook *c,oggpack_buffer *b);
extern int vorbis_staticbook_unpack(oggpack_buffer *b,static_codebook *c);
extern static_codebook *vorbis_staticbook_unpack(oggpack_buffer *b);
extern int vorbis_book_encode(codebook *book, int a, oggpack_buffer *b);
extern int vorbis_book_errorv(codebook *book, float *a);
extern int vorbis_book_encodev(codebook *book, int best,float *a,
oggpack_buffer *b);
extern long vorbis_book_decode(codebook *book, oggpack_buffer *b);
extern long vorbis_book_decodevs_add(codebook *book, float *a,
oggpack_buffer *b,int n);
extern long vorbis_book_decodev_set(codebook *book, float *a,
oggpack_buffer *b,int n);
extern long vorbis_book_decodev_add(codebook *book, float *a,
oggpack_buffer *b,int n);
extern long vorbis_book_decodevs_add(codebook *book, float *a,
oggpack_buffer *b,int n);
extern long vorbis_book_decodev_set(codebook *book, float *a,
oggpack_buffer *b,int n);
extern long vorbis_book_decodev_add(codebook *book, float *a,
oggpack_buffer *b,int n);
extern long vorbis_book_decodevv_add(codebook *book, float **a,
long off,int ch,
oggpack_buffer *b,int n);
long off,int ch,
oggpack_buffer *b,int n);