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Side by Side Diff: third_party/libwebp/enc/cost.c

Issue 10832153: libwebp: update snapshot to v0.2.0-rc1 (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 8 years, 4 months ago
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1 // Copyright 2011 Google Inc. 1 // Copyright 2011 Google Inc. All Rights Reserved.
2 // 2 //
3 // This code is licensed under the same terms as WebM: 3 // This code is licensed under the same terms as WebM:
4 // Software License Agreement: http://www.webmproject.org/license/software/ 4 // Software License Agreement: http://www.webmproject.org/license/software/
5 // Additional IP Rights Grant: http://www.webmproject.org/license/additional/ 5 // Additional IP Rights Grant: http://www.webmproject.org/license/additional/
6 // ----------------------------------------------------------------------------- 6 // -----------------------------------------------------------------------------
7 // 7 //
8 // Cost tables for level and modes 8 // Cost tables for level and modes
9 // 9 //
10 // Author: Skal (pascal.massimino@gmail.com) 10 // Author: Skal (pascal.massimino@gmail.com)
11 11
12 #include <assert.h> 12 #include "./cost.h"
13
14 #include "cost.h"
15 13
16 #if defined(__cplusplus) || defined(c_plusplus) 14 #if defined(__cplusplus) || defined(c_plusplus)
17 extern "C" { 15 extern "C" {
18 #endif 16 #endif
19 17
20 //------------------------------------------------------------------------------ 18 //------------------------------------------------------------------------------
21 // Boolean-cost cost table 19 // Boolean-cost cost table
22 20
23 const uint16_t VP8EntropyCost[256] = { 21 const uint16_t VP8EntropyCost[256] = {
24 1792, 1792, 1792, 1536, 1536, 1408, 1366, 1280, 1280, 1216, 22 1792, 1792, 1792, 1536, 1536, 1408, 1366, 1280, 1280, 1216,
(...skipping 20 matching lines...) Expand all
45 74, 73, 71, 69, 67, 66, 64, 63, 61, 59, 43 74, 73, 71, 69, 67, 66, 64, 63, 61, 59,
46 57, 55, 54, 52, 51, 49, 47, 46, 44, 43, 44 57, 55, 54, 52, 51, 49, 47, 46, 44, 43,
47 41, 40, 38, 36, 35, 33, 32, 30, 29, 27, 45 41, 40, 38, 36, 35, 33, 32, 30, 29, 27,
48 25, 24, 22, 21, 19, 18, 16, 15, 13, 12, 46 25, 24, 22, 21, 19, 18, 16, 15, 13, 12,
49 10, 9, 7, 6, 4, 3 47 10, 9, 7, 6, 4, 3
50 }; 48 };
51 49
52 //------------------------------------------------------------------------------ 50 //------------------------------------------------------------------------------
53 // Level cost tables 51 // Level cost tables
54 52
55 // For each given level, the following table given the pattern of contexts 53 // For each given level, the following table gives the pattern of contexts to
56 // to use for coding it (in [][0]) as well as the bit value to use for 54 // use for coding it (in [][0]) as well as the bit value to use for each
57 // each context (in [][1]). 55 // context (in [][1]).
58 const uint16_t VP8LevelCodes[MAX_VARIABLE_LEVEL][2] = { 56 const uint16_t VP8LevelCodes[MAX_VARIABLE_LEVEL][2] = {
59 {0x001, 0x000}, {0x007, 0x001}, {0x00f, 0x005}, 57 {0x001, 0x000}, {0x007, 0x001}, {0x00f, 0x005},
60 {0x00f, 0x00d}, {0x033, 0x003}, {0x033, 0x003}, {0x033, 0x023}, 58 {0x00f, 0x00d}, {0x033, 0x003}, {0x033, 0x003}, {0x033, 0x023},
61 {0x033, 0x023}, {0x033, 0x023}, {0x033, 0x023}, {0x0d3, 0x013}, 59 {0x033, 0x023}, {0x033, 0x023}, {0x033, 0x023}, {0x0d3, 0x013},
62 {0x0d3, 0x013}, {0x0d3, 0x013}, {0x0d3, 0x013}, {0x0d3, 0x013}, 60 {0x0d3, 0x013}, {0x0d3, 0x013}, {0x0d3, 0x013}, {0x0d3, 0x013},
63 {0x0d3, 0x013}, {0x0d3, 0x013}, {0x0d3, 0x013}, {0x0d3, 0x093}, 61 {0x0d3, 0x013}, {0x0d3, 0x013}, {0x0d3, 0x013}, {0x0d3, 0x093},
64 {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, 62 {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093},
65 {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, 63 {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093},
66 {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, 64 {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093},
67 {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, {0x153, 0x053}, 65 {0x0d3, 0x093}, {0x0d3, 0x093}, {0x0d3, 0x093}, {0x153, 0x053},
(...skipping 415 matching lines...) Expand 10 before | Expand all | Expand 10 after
483 { 439, 1139, 1101, 1257, 3710, 1922, 1205, 1040, 1931, 1529 }, 481 { 439, 1139, 1101, 1257, 3710, 1922, 1205, 1040, 1931, 1529 },
484 { 979, 935, 1269, 847, 1202, 1286, 1530, 1535, 827, 1036 }, 482 { 979, 935, 1269, 847, 1202, 1286, 1530, 1535, 827, 1036 },
485 { 516, 1378, 1569, 1110, 1798, 1798, 1198, 2199, 1543, 712 } }, 483 { 516, 1378, 1569, 1110, 1798, 1798, 1198, 2199, 1543, 712 } },
486 }; 484 };
487 485
488 //------------------------------------------------------------------------------ 486 //------------------------------------------------------------------------------
489 487
490 #if defined(__cplusplus) || defined(c_plusplus) 488 #if defined(__cplusplus) || defined(c_plusplus)
491 } // extern "C" 489 } // extern "C"
492 #endif 490 #endif
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