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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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