| author | koda |
| Fri, 21 Sep 2012 00:50:04 +0200 | |
| changeset 7697 | 767d3c4153a1 |
| parent 6045 | 9a7cc0f29430 |
| child 7849 | a12155461b34 |
| permissions | -rw-r--r-- |
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/******************************************************************** |
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* * |
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* THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. * |
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* * |
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* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS * |
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* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE * |
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* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. * |
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* * |
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* THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 * |
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* BY THE Xiph.Org FOUNDATION http://www.xiph.org/ * |
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* * |
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******************************************************************** |
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function: basic shared codebook operations |
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********************************************************************/ |
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#ifndef _V_CODEBOOK_H_ |
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#define _V_CODEBOOK_H_ |
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#include "ogg.h" |
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typedef struct codebook{
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long dim; /* codebook dimensions (elements per vector) */ |
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long entries; /* codebook entries */ |
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long used_entries; /* populated codebook entries */ |
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int dec_maxlength; |
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void *dec_table; |
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int dec_nodeb; |
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int dec_leafw; |
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int dec_type; /* 0 = entry number |
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1 = packed vector of values |
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2 = packed vector of column offsets, maptype 1 |
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3 = scalar offset into value array, maptype 2 */ |
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ogg_int32_t q_min; |
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int q_minp; |
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ogg_int32_t q_del; |
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int q_delp; |
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int q_seq; |
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int q_bits; |
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int q_pack; |
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void *q_val; |
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} codebook; |
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extern void vorbis_book_clear(codebook *b); |
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extern int vorbis_book_unpack(oggpack_buffer *b,codebook *c); |
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extern long vorbis_book_decode(codebook *book, oggpack_buffer *b); |
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extern long vorbis_book_decodevs_add(codebook *book, ogg_int32_t *a, |
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oggpack_buffer *b,int n,int point); |
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extern long vorbis_book_decodev_set(codebook *book, ogg_int32_t *a, |
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oggpack_buffer *b,int n,int point); |
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extern long vorbis_book_decodev_add(codebook *book, ogg_int32_t *a, |
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oggpack_buffer *b,int n,int point); |
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extern long vorbis_book_decodevv_add(codebook *book, ogg_int32_t **a, |
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long off,int ch, |
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oggpack_buffer *b,int n,int point); |
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extern int _ilog(unsigned int v); |
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#endif |