1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/libtheora/lib/huffman.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,70 @@
1.4 +/********************************************************************
1.5 + * *
1.6 + * THIS FILE IS PART OF THE OggTheora SOFTWARE CODEC SOURCE CODE. *
1.7 + * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
1.8 + * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
1.9 + * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
1.10 + * *
1.11 + * THE Theora SOURCE CODE IS COPYRIGHT (C) 2002-2009 *
1.12 + * by the Xiph.Org Foundation and contributors http://www.xiph.org/ *
1.13 + * *
1.14 + ********************************************************************
1.15 +
1.16 + function:
1.17 + last mod: $Id: huffman.h 16503 2009-08-22 18:14:02Z giles $
1.18 +
1.19 + ********************************************************************/
1.20 +
1.21 +#if !defined(_huffman_H)
1.22 +# define _hufffman_H (1)
1.23 +# include "theora/codec.h"
1.24 +# include "ocintrin.h"
1.25 +
1.26 +/*The range of valid quantized DCT coefficient values.
1.27 + VP3 used 511 in the encoder, but the bitstream is capable of 580.*/
1.28 +#define OC_DCT_VAL_RANGE (580)
1.29 +
1.30 +#define OC_NDCT_TOKEN_BITS (5)
1.31 +
1.32 +#define OC_DCT_EOB1_TOKEN (0)
1.33 +#define OC_DCT_EOB2_TOKEN (1)
1.34 +#define OC_DCT_EOB3_TOKEN (2)
1.35 +#define OC_DCT_REPEAT_RUN0_TOKEN (3)
1.36 +#define OC_DCT_REPEAT_RUN1_TOKEN (4)
1.37 +#define OC_DCT_REPEAT_RUN2_TOKEN (5)
1.38 +#define OC_DCT_REPEAT_RUN3_TOKEN (6)
1.39 +
1.40 +#define OC_DCT_SHORT_ZRL_TOKEN (7)
1.41 +#define OC_DCT_ZRL_TOKEN (8)
1.42 +
1.43 +#define OC_ONE_TOKEN (9)
1.44 +#define OC_MINUS_ONE_TOKEN (10)
1.45 +#define OC_TWO_TOKEN (11)
1.46 +#define OC_MINUS_TWO_TOKEN (12)
1.47 +
1.48 +#define OC_DCT_VAL_CAT2 (13)
1.49 +#define OC_DCT_VAL_CAT3 (17)
1.50 +#define OC_DCT_VAL_CAT4 (18)
1.51 +#define OC_DCT_VAL_CAT5 (19)
1.52 +#define OC_DCT_VAL_CAT6 (20)
1.53 +#define OC_DCT_VAL_CAT7 (21)
1.54 +#define OC_DCT_VAL_CAT8 (22)
1.55 +
1.56 +#define OC_DCT_RUN_CAT1A (23)
1.57 +#define OC_DCT_RUN_CAT1B (28)
1.58 +#define OC_DCT_RUN_CAT1C (29)
1.59 +#define OC_DCT_RUN_CAT2A (30)
1.60 +#define OC_DCT_RUN_CAT2B (31)
1.61 +
1.62 +#define OC_NDCT_EOB_TOKEN_MAX (7)
1.63 +#define OC_NDCT_ZRL_TOKEN_MAX (9)
1.64 +#define OC_NDCT_VAL_MAX (23)
1.65 +#define OC_NDCT_VAL_CAT1_MAX (13)
1.66 +#define OC_NDCT_VAL_CAT2_MAX (17)
1.67 +#define OC_NDCT_VAL_CAT2_SIZE (OC_NDCT_VAL_CAT2_MAX-OC_DCT_VAL_CAT2)
1.68 +#define OC_NDCT_RUN_MAX (32)
1.69 +#define OC_NDCT_RUN_CAT1A_MAX (28)
1.70 +
1.71 +extern const unsigned char OC_DCT_TOKEN_EXTRA_BITS[TH_NDCT_TOKENS];
1.72 +
1.73 +#endif
