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Classes | Typedefs | Functions
localcodebook.h File Reference
#include <ogg/ogg.h>

Go to the source code of this file.

Classes

struct  codebook
 
struct  static_codebook
 

Typedefs

typedef struct codebook codebook
 
typedef struct static_codebook static_codebook
 

Functions

int _best (codebook *book, float *a, int step)
 
float * _book_logdist (const static_codebook *b, float *vals)
 
long _book_maptype1_quantvals (const static_codebook *b)
 
float * _book_unquantize (const static_codebook *b, int n, int *map)
 
long _float32_pack (float val)
 
float _float32_unpack (long val)
 
int _ilog (unsigned int v)
 
int vorbis_book_besterror (codebook *book, float *a, int step, int addmul)
 
void vorbis_book_clear (codebook *b)
 
long vorbis_book_codelen (codebook *book, int entry)
 
long vorbis_book_codeword (codebook *book, int entry)
 
long vorbis_book_decode (codebook *book, oggpack_buffer *b)
 
long vorbis_book_decodev_add (codebook *book, float *a, oggpack_buffer *b, int n)
 
long vorbis_book_decodev_set (codebook *book, float *a, oggpack_buffer *b, int n)
 
long vorbis_book_decodevs_add (codebook *book, float *a, oggpack_buffer *b, int n)
 
long vorbis_book_decodevv_add (codebook *book, float **a, long off, int ch, oggpack_buffer *b, int n)
 
int vorbis_book_encode (codebook *book, int a, oggpack_buffer *b)
 
int vorbis_book_init_decode (codebook *dest, const static_codebook *source)
 
int vorbis_book_init_encode (codebook *dest, const static_codebook *source)
 
void vorbis_staticbook_clear (static_codebook *b)
 
void vorbis_staticbook_destroy (static_codebook *b)
 
int vorbis_staticbook_pack (const static_codebook *c, oggpack_buffer *b)
 
int vorbis_staticbook_unpack (oggpack_buffer *b, static_codebook *c)
 

Typedef Documentation

typedef struct codebook codebook
typedef struct static_codebook static_codebook

Function Documentation

int _best ( codebook *  book,
float *  a,
int  step 
)

Definition at line 25 of file bookutil.c.

References codebook::c, codebook::delta, codebook::dim, e, codebook::entries, i, int, j, static_codebook::lengthlist, m, codebook::minval, and codebook::quantvals.

float* _book_logdist ( const static_codebook *  b,
float *  vals 
)
long _book_maptype1_quantvals ( const static_codebook *  b)

Definition at line 163 of file sharedbook.c.

References static_codebook::dim, static_codebook::entries, entries, floor(), and i.

float* _book_unquantize ( const static_codebook *  b,
int  n,
int *  map 
)

Definition at line 196 of file sharedbook.c.

References _book_maptype1_quantvals(), _float32_unpack(), _ogg_calloc, static_codebook::dim, static_codebook::entries, fabs(), j, k, static_codebook::lengthlist, static_codebook::maptype, NULL, static_codebook::q_delta, static_codebook::q_min, static_codebook::q_sequencep, and static_codebook::quantlist.

long _float32_pack ( float  val)

Definition at line 47 of file sharedbook.c.

References floor(), sign, VQ_FEXP_BIAS, and VQ_FMAN.

float _float32_unpack ( long  val)

Definition at line 62 of file sharedbook.c.

References sign, VQ_FEXP_BIAS, and VQ_FMAN.

int _ilog ( unsigned int  v)

Definition at line 29 of file sharedbook.c.

References ret.

int vorbis_book_besterror ( codebook *  book,
float *  a,
int  step,
int  addmul 
)
void vorbis_book_clear ( codebook *  b)

Definition at line 270 of file sharedbook.c.

References _ogg_free, codebook::codelist, codebook::dec_codelengths, codebook::dec_firsttable, codebook::dec_index, memset, and codebook::valuelist.

long vorbis_book_codelen ( codebook *  book,
int  entry 
)

Definition at line 437 of file sharedbook.c.

References codebook::c, and static_codebook::lengthlist.

long vorbis_book_codeword ( codebook *  book,
int  entry 
)

Definition at line 430 of file sharedbook.c.

References codebook::c, and codebook::codelist.

long vorbis_book_decode ( codebook *  book,
oggpack_buffer *  b 
)

Definition at line 358 of file codebook.c.

References codebook::dec_index, decode_packed_entry_number(), and codebook::used_entries.

Referenced by _01inverse(), floor1_inverse1(), and res2_inverse().

long vorbis_book_decodev_add ( codebook *  book,
float *  a,
oggpack_buffer *  b,
int  n 
)

Definition at line 389 of file codebook.c.

References decode_packed_entry_number(), codebook::dim, i, j, codebook::used_entries, and codebook::valuelist.

Referenced by res1_inverse().

long vorbis_book_decodev_set ( codebook *  book,
float *  a,
oggpack_buffer *  b,
int  n 
)

Definition at line 434 of file codebook.c.

References decode_packed_entry_number(), codebook::dim, i, j, codebook::used_entries, and codebook::valuelist.

Referenced by floor0_inverse1().

long vorbis_book_decodevs_add ( codebook *  book,
float *  a,
oggpack_buffer *  b,
int  n 
)

Definition at line 370 of file codebook.c.

References decode_packed_entry_number(), codebook::dim, i, j, codebook::used_entries, and codebook::valuelist.

Referenced by res0_inverse().

long vorbis_book_decodevv_add ( codebook *  book,
float **  a,
long  off,
int  ch,
oggpack_buffer *  b,
int  n 
)

Definition at line 457 of file codebook.c.

References decode_packed_entry_number(), codebook::dim, i, j, codebook::used_entries, and codebook::valuelist.

Referenced by res2_inverse().

int vorbis_book_encode ( codebook *  book,
int  a,
oggpack_buffer *  b 
)

Definition at line 274 of file codebook.c.

References codebook::c, codebook::codelist, static_codebook::entries, static_codebook::lengthlist, and oggpack_write().

Referenced by _01forward(), _encodepart(), and floor1_encode().

int vorbis_book_init_decode ( codebook *  dest,
const static_codebook *  source 
)

Definition at line 313 of file sharedbook.c.

References _book_unquantize(), _ilog(), _make_words(), _ogg_calloc, _ogg_free, _ogg_malloc, bitreverse(), codebook::codelist, codebook::dec_codelengths, codebook::dec_firsttable, codebook::dec_firsttablen, codebook::dec_index, codebook::dec_maxlength, static_codebook::dim, codebook::dim, static_codebook::entries, codebook::entries, cordic::hi, i, j, static_codebook::lengthlist, cordic::lo, memset, NULL, qsort(), sort32a(), codebook::used_entries, codebook::valuelist, and vorbis_book_clear().

int vorbis_book_init_encode ( codebook *  dest,
const static_codebook *  source 
)

Definition at line 283 of file sharedbook.c.

References _book_maptype1_quantvals(), _float32_unpack(), _make_words(), codebook::c, codebook::codelist, codebook::delta, static_codebook::dim, codebook::dim, static_codebook::entries, codebook::entries, int, static_codebook::lengthlist, memset, codebook::minval, static_codebook::q_delta, static_codebook::q_min, codebook::quantvals, and codebook::used_entries.

void vorbis_staticbook_clear ( static_codebook *  b)
void vorbis_staticbook_destroy ( static_codebook *  b)

Definition at line 261 of file sharedbook.c.

References _ogg_free, static_codebook::allocedp, static_codebook::lengthlist, memset, and static_codebook::quantlist.

int vorbis_staticbook_pack ( const static_codebook *  c,
oggpack_buffer *  b 
)

Definition at line 30 of file codebook.c.

References _book_maptype1_quantvals(), _ilog(), static_codebook::dim, static_codebook::entries, i, j, static_codebook::lengthlist, static_codebook::maptype, oggpack_write(), static_codebook::q_delta, static_codebook::q_min, static_codebook::q_quant, static_codebook::q_sequencep, and static_codebook::quantlist.

Referenced by _vorbis_pack_books().

int vorbis_staticbook_unpack ( oggpack_buffer *  b,
static_codebook *  c 
)