71 lines
2.5 KiB
C++
71 lines
2.5 KiB
C++
|
/********************************************************************
|
||
|
|
* *
|
||
|
|
* THIS FILE IS PART OF THE OggTheora SOFTWARE CODEC SOURCE CODE. *
|
||
|
|
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
|
||
|
|
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
|
||
|
|
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
|
||
|
|
* *
|
||
|
|
* THE Theora SOURCE CODE IS COPYRIGHT (C) 2002-2009 *
|
||
|
|
* by the Xiph.Org Foundation and contributors http://www.xiph.org/ *
|
||
|
|
* *
|
||
|
|
********************************************************************
|
||
|
|
|
||
|
|
function:
|
||
|
|
last mod: $Id: huffman.h 16503 2009-08-22 18:14:02Z giles $
|
||
|
|
|
||
|
|
********************************************************************/
|
||
|
|
|
||
|
|
#if !defined(_huffman_H)
|
||
|
|
# define _hufffman_H (1)
|
||
|
|
# include "theora/codec.h"
|
||
|
|
# include "ocintrin.h"
|
||
|
|
|
||
|
|
/*The range of valid quantized DCT coefficient values.
|
||
|
|
VP3 used 511 in the encoder, but the bitstream is capable of 580.*/
|
||
|
|
#define OC_DCT_VAL_RANGE (580)
|
||
|
|
|
||
|
|
#define OC_NDCT_TOKEN_BITS (5)
|
||
|
|
|
||
|
|
#define OC_DCT_EOB1_TOKEN (0)
|
||
|
|
#define OC_DCT_EOB2_TOKEN (1)
|
||
|
|
#define OC_DCT_EOB3_TOKEN (2)
|
||
|
|
#define OC_DCT_REPEAT_RUN0_TOKEN (3)
|
||
|
|
#define OC_DCT_REPEAT_RUN1_TOKEN (4)
|
||
|
|
#define OC_DCT_REPEAT_RUN2_TOKEN (5)
|
||
|
|
#define OC_DCT_REPEAT_RUN3_TOKEN (6)
|
||
|
|
|
||
|
|
#define OC_DCT_SHORT_ZRL_TOKEN (7)
|
||
|
|
#define OC_DCT_ZRL_TOKEN (8)
|
||
|
|
|
||
|
|
#define OC_ONE_TOKEN (9)
|
||
|
|
#define OC_MINUS_ONE_TOKEN (10)
|
||
|
|
#define OC_TWO_TOKEN (11)
|
||
|
|
#define OC_MINUS_TWO_TOKEN (12)
|
||
|
|
|
||
|
|
#define OC_DCT_VAL_CAT2 (13)
|
||
|
|
#define OC_DCT_VAL_CAT3 (17)
|
||
|
|
#define OC_DCT_VAL_CAT4 (18)
|
||
|
|
#define OC_DCT_VAL_CAT5 (19)
|
||
|
|
#define OC_DCT_VAL_CAT6 (20)
|
||
|
|
#define OC_DCT_VAL_CAT7 (21)
|
||
|
|
#define OC_DCT_VAL_CAT8 (22)
|
||
|
|
|
||
|
|
#define OC_DCT_RUN_CAT1A (23)
|
||
|
|
#define OC_DCT_RUN_CAT1B (28)
|
||
|
|
#define OC_DCT_RUN_CAT1C (29)
|
||
|
|
#define OC_DCT_RUN_CAT2A (30)
|
||
|
|
#define OC_DCT_RUN_CAT2B (31)
|
||
|
|
|
||
|
|
#define OC_NDCT_EOB_TOKEN_MAX (7)
|
||
|
|
#define OC_NDCT_ZRL_TOKEN_MAX (9)
|
||
|
|
#define OC_NDCT_VAL_MAX (23)
|
||
|
|
#define OC_NDCT_VAL_CAT1_MAX (13)
|
||
|
|
#define OC_NDCT_VAL_CAT2_MAX (17)
|
||
|
|
#define OC_NDCT_VAL_CAT2_SIZE (OC_NDCT_VAL_CAT2_MAX-OC_DCT_VAL_CAT2)
|
||
|
|
#define OC_NDCT_RUN_MAX (32)
|
||
|
|
#define OC_NDCT_RUN_CAT1A_MAX (28)
|
||
|
|
|
||
|
|
extern const unsigned char OC_DCT_TOKEN_EXTRA_BITS[TH_NDCT_TOKENS];
|
||
|
|
|
||
|
|
#endif
|