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comparison: media/libtheora/lib/huffman.h
media/libtheora/lib/huffman.h
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:09806b546e2a |
|---|---|
| 1 /******************************************************************** | |
| 2 * * | |
| 3 * THIS FILE IS PART OF THE OggTheora SOFTWARE CODEC SOURCE CODE. * | |
| 4 * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS * | |
| 5 * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE * | |
| 6 * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. * | |
| 7 * * | |
| 8 * THE Theora SOURCE CODE IS COPYRIGHT (C) 2002-2009 * | |
| 9 * by the Xiph.Org Foundation and contributors http://www.xiph.org/ * | |
| 10 * * | |
| 11 ******************************************************************** | |
| 12 | |
| 13 function: | |
| 14 last mod: $Id: huffman.h 16503 2009-08-22 18:14:02Z giles $ | |
| 15 | |
| 16 ********************************************************************/ | |
| 17 | |
| 18 #if !defined(_huffman_H) | |
| 19 # define _hufffman_H (1) | |
| 20 # include "theora/codec.h" | |
| 21 # include "ocintrin.h" | |
| 22 | |
| 23 /*The range of valid quantized DCT coefficient values. | |
| 24 VP3 used 511 in the encoder, but the bitstream is capable of 580.*/ | |
| 25 #define OC_DCT_VAL_RANGE (580) | |
| 26 | |
| 27 #define OC_NDCT_TOKEN_BITS (5) | |
| 28 | |
| 29 #define OC_DCT_EOB1_TOKEN (0) | |
| 30 #define OC_DCT_EOB2_TOKEN (1) | |
| 31 #define OC_DCT_EOB3_TOKEN (2) | |
| 32 #define OC_DCT_REPEAT_RUN0_TOKEN (3) | |
| 33 #define OC_DCT_REPEAT_RUN1_TOKEN (4) | |
| 34 #define OC_DCT_REPEAT_RUN2_TOKEN (5) | |
| 35 #define OC_DCT_REPEAT_RUN3_TOKEN (6) | |
| 36 | |
| 37 #define OC_DCT_SHORT_ZRL_TOKEN (7) | |
| 38 #define OC_DCT_ZRL_TOKEN (8) | |
| 39 | |
| 40 #define OC_ONE_TOKEN (9) | |
| 41 #define OC_MINUS_ONE_TOKEN (10) | |
| 42 #define OC_TWO_TOKEN (11) | |
| 43 #define OC_MINUS_TWO_TOKEN (12) | |
| 44 | |
| 45 #define OC_DCT_VAL_CAT2 (13) | |
| 46 #define OC_DCT_VAL_CAT3 (17) | |
| 47 #define OC_DCT_VAL_CAT4 (18) | |
| 48 #define OC_DCT_VAL_CAT5 (19) | |
| 49 #define OC_DCT_VAL_CAT6 (20) | |
| 50 #define OC_DCT_VAL_CAT7 (21) | |
| 51 #define OC_DCT_VAL_CAT8 (22) | |
| 52 | |
| 53 #define OC_DCT_RUN_CAT1A (23) | |
| 54 #define OC_DCT_RUN_CAT1B (28) | |
| 55 #define OC_DCT_RUN_CAT1C (29) | |
| 56 #define OC_DCT_RUN_CAT2A (30) | |
| 57 #define OC_DCT_RUN_CAT2B (31) | |
| 58 | |
| 59 #define OC_NDCT_EOB_TOKEN_MAX (7) | |
| 60 #define OC_NDCT_ZRL_TOKEN_MAX (9) | |
| 61 #define OC_NDCT_VAL_MAX (23) | |
| 62 #define OC_NDCT_VAL_CAT1_MAX (13) | |
| 63 #define OC_NDCT_VAL_CAT2_MAX (17) | |
| 64 #define OC_NDCT_VAL_CAT2_SIZE (OC_NDCT_VAL_CAT2_MAX-OC_DCT_VAL_CAT2) | |
| 65 #define OC_NDCT_RUN_MAX (32) | |
| 66 #define OC_NDCT_RUN_CAT1A_MAX (28) | |
| 67 | |
| 68 extern const unsigned char OC_DCT_TOKEN_EXTRA_BITS[TH_NDCT_TOKENS]; | |
| 69 | |
| 70 #endif |
