You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
89 lines
3.4 KiB
89 lines
3.4 KiB
/************************************************************************ |
|
* Copyright (C) 2002-2009, Xiph.org Foundation |
|
* Copyright (C) 2010, Robin Watts for Pinknoise Productions Ltd |
|
* All rights reserved. |
|
* |
|
* Redistribution and use in source and binary forms, with or without |
|
* modification, are permitted provided that the following conditions |
|
* are met: |
|
* |
|
* * Redistributions of source code must retain the above copyright |
|
* notice, this list of conditions and the following disclaimer. |
|
* * Redistributions in binary form must reproduce the above |
|
* copyright notice, this list of conditions and the following disclaimer |
|
* in the documentation and/or other materials provided with the |
|
* distribution. |
|
* * Neither the names of the Xiph.org Foundation nor Pinknoise |
|
* Productions Ltd nor the names of its contributors may be used to |
|
* endorse or promote products derived from this software without |
|
* specific prior written permission. |
|
* |
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
|
************************************************************************ |
|
|
|
function: basic shared codebook operations |
|
|
|
************************************************************************/ |
|
|
|
#ifndef _V_CODEBOOK_H_ |
|
#define _V_CODEBOOK_H_ |
|
|
|
#include "ogg.h" |
|
|
|
typedef struct codebook{ |
|
/* Top 15 used in ARM code */ |
|
int dec_maxlength; |
|
void *dec_table; |
|
int dec_method; |
|
int dec_type; /* 0 = entry number |
|
1 = packed vector of values |
|
2 = packed vector of column offsets, maptype 1 |
|
3 = scalar offset into value array, maptype 2 */ |
|
int q_bits; |
|
long dim; /* codebook dimensions (elements per vector) */ |
|
int q_delp; |
|
int q_minp; |
|
ogg_int32_t q_del; |
|
ogg_int32_t q_min; |
|
int q_seq; |
|
int q_pack; |
|
void *q_val; |
|
long used_entries; /* populated codebook entries */ |
|
ogg_int32_t *dec_buf; |
|
|
|
/* C only */ |
|
int dec_nodeb; |
|
int dec_leafw; |
|
|
|
long entries; /* codebook entries */ |
|
|
|
} codebook; |
|
|
|
extern void vorbis_book_clear(codebook *b); |
|
extern int vorbis_book_unpack(oggpack_buffer *b,codebook *c); |
|
|
|
extern long vorbis_book_decode(codebook *book, oggpack_buffer *b); |
|
extern long vorbis_book_decodevs_add(codebook *book, ogg_int32_t *a, |
|
oggpack_buffer *b,int n,int point); |
|
extern long vorbis_book_decodev_set(codebook *book, ogg_int32_t *a, |
|
oggpack_buffer *b,int n,int point); |
|
extern long vorbis_book_decodev_add(codebook *book, ogg_int32_t *a, |
|
oggpack_buffer *b,int n,int point); |
|
extern long vorbis_book_decodevv_add(codebook *book, ogg_int32_t **a, |
|
long off,int ch, |
|
oggpack_buffer *b,int n,int point); |
|
|
|
extern int _ilog(unsigned int v); |
|
|
|
|
|
#endif
|
|
|