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Side by Side Diff: source/libvpx/vp9/decoder/vp9_dboolhuff.h

Issue 11974002: libvpx: Pull from upstream (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/libvpx/
Patch Set: Created 7 years, 11 months ago
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1 /* 1 /*
2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license 4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source 5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found 6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may 7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree. 8 * be found in the AUTHORS file in the root of the source tree.
9 */ 9 */
10 10
11
12 #ifndef VP9_DECODER_VP9_DBOOLHUFF_H_ 11 #ifndef VP9_DECODER_VP9_DBOOLHUFF_H_
13 #define VP9_DECODER_VP9_DBOOLHUFF_H_ 12 #define VP9_DECODER_VP9_DBOOLHUFF_H_
13
14 #include <stddef.h> 14 #include <stddef.h>
15 #include <limits.h> 15 #include <limits.h>
16 #include "vpx_ports/config.h" 16 #include "./vpx_config.h"
17 #include "vpx_ports/mem.h" 17 #include "vpx_ports/mem.h"
18 #include "vpx/vpx_integer.h" 18 #include "vpx/vpx_integer.h"
19 19
20 typedef size_t VP9_BD_VALUE; 20 typedef size_t VP9_BD_VALUE;
21 21
22 # define VP9_BD_VALUE_SIZE ((int)sizeof(VP9_BD_VALUE)*CHAR_BIT) 22 # define VP9_BD_VALUE_SIZE ((int)sizeof(VP9_BD_VALUE)*CHAR_BIT)
23 /*This is meant to be a large, positive constant that can still be efficiently 23 /*This is meant to be a large, positive constant that can still be efficiently
24 loaded as an immediate (on platforms like ARM, for example). 24 loaded as an immediate (on platforms like ARM, for example).
25 Even relatively modest values like 100 would work fine.*/ 25 Even relatively modest values like 100 would work fine.*/
26 # define VP9_LOTS_OF_BITS (0x40000000) 26 # define VP9_LOTS_OF_BITS (0x40000000)
27 27
28 typedef struct { 28 typedef struct {
29 const unsigned char *user_buffer_end; 29 const unsigned char *user_buffer_end;
30 const unsigned char *user_buffer; 30 const unsigned char *user_buffer;
31 VP9_BD_VALUE value; 31 VP9_BD_VALUE value;
32 int count; 32 int count;
33 unsigned int range; 33 unsigned int range;
34 } BOOL_DECODER; 34 } BOOL_DECODER;
35 35
36 DECLARE_ALIGNED(16, extern const unsigned char, vp9_norm[256]); 36 DECLARE_ALIGNED(16, extern const uint8_t, vp9_norm[256]);
37 37
38 int vp9_start_decode(BOOL_DECODER *br, 38 int vp9_start_decode(BOOL_DECODER *br,
39 const unsigned char *source, 39 const unsigned char *source,
40 unsigned int source_sz); 40 unsigned int source_sz);
41 41
42 void vp9_bool_decoder_fill(BOOL_DECODER *br); 42 void vp9_bool_decoder_fill(BOOL_DECODER *br);
43 43
44 int vp9_decode_uniform(BOOL_DECODER *br, int n); 44 int vp9_decode_uniform(BOOL_DECODER *br, int n);
45 int vp9_decode_term_subexp(BOOL_DECODER *br, int k, int num_syms); 45 int vp9_decode_term_subexp(BOOL_DECODER *br, int k, int num_syms);
46 int vp9_inv_recenter_nonneg(int v, int m); 46 int vp9_inv_recenter_nonneg(int v, int m);
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145 */ 145 */
146 return 1; 146 return 1;
147 } 147 }
148 148
149 /* No error. */ 149 /* No error. */
150 return 0; 150 return 0;
151 } 151 }
152 152
153 extern int vp9_decode_unsigned_max(BOOL_DECODER *br, int max); 153 extern int vp9_decode_unsigned_max(BOOL_DECODER *br, int max);
154 154
155 #endif 155 #endif // VP9_DECODER_VP9_DBOOLHUFF_H_
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