1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
|
/*
* Copyright (c) 2016, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#ifndef AOM_DSP_DAALABOOLREADER_H_
#define AOM_DSP_DAALABOOLREADER_H_
#include "aom/aom_integer.h"
#include "aom_dsp/entdec.h"
#include "aom_dsp/prob.h"
#if CONFIG_ACCOUNTING
#include "av1/decoder/accounting.h"
#endif
#if CONFIG_BITSTREAM_DEBUG
#include <stdio.h>
#include "aom_util/debug_util.h"
#endif // CONFIG_BITSTREAM_DEBUG
#ifdef __cplusplus
extern "C" {
#endif
struct daala_reader {
const uint8_t *buffer;
const uint8_t *buffer_end;
od_ec_dec ec;
#if CONFIG_ACCOUNTING
Accounting *accounting;
#endif
uint8_t allow_update_cdf;
};
typedef struct daala_reader daala_reader;
int aom_daala_reader_init(daala_reader *r, const uint8_t *buffer, int size);
const uint8_t *aom_daala_reader_find_begin(daala_reader *r);
const uint8_t *aom_daala_reader_find_end(daala_reader *r);
uint32_t aom_daala_reader_tell(const daala_reader *r);
uint32_t aom_daala_reader_tell_frac(const daala_reader *r);
static INLINE int aom_daala_read(daala_reader *r, int prob) {
int bit;
int p = (0x7FFFFF - (prob << 15) + prob) >> 8;
#if CONFIG_BITSTREAM_DEBUG
/*{
const int queue_r = bitstream_queue_get_read();
const int frame_idx = bitstream_queue_get_frame_read();
if (frame_idx == 0 && queue_r == 0) {
fprintf(stderr, "\n *** bitstream queue at frame_idx_r %d queue_r %d\n",
frame_idx, queue_r);
}
}*/
#endif
bit = od_ec_decode_bool_q15(&r->ec, p);
#if CONFIG_BITSTREAM_DEBUG
{
int i;
int ref_bit, ref_nsymbs;
aom_cdf_prob ref_cdf[16];
const int queue_r = bitstream_queue_get_read();
const int frame_idx = bitstream_queue_get_frame_read();
bitstream_queue_pop(&ref_bit, ref_cdf, &ref_nsymbs);
if (ref_nsymbs != 2) {
fprintf(stderr,
"\n *** [bit] nsymbs error, frame_idx_r %d nsymbs %d ref_nsymbs "
"%d queue_r %d\n",
frame_idx, 2, ref_nsymbs, queue_r);
assert(0);
}
if ((ref_nsymbs != 2) || (ref_cdf[0] != (aom_cdf_prob)p) ||
(ref_cdf[1] != 32767)) {
fprintf(stderr,
"\n *** [bit] cdf error, frame_idx_r %d cdf {%d, %d} ref_cdf {%d",
frame_idx, p, 32767, ref_cdf[0]);
for (i = 1; i < ref_nsymbs; ++i) fprintf(stderr, ", %d", ref_cdf[i]);
fprintf(stderr, "} queue_r %d\n", queue_r);
assert(0);
}
if (bit != ref_bit) {
fprintf(stderr,
"\n *** [bit] symb error, frame_idx_r %d symb %d ref_symb %d "
"queue_r %d\n",
frame_idx, bit, ref_bit, queue_r);
assert(0);
}
}
#endif
return bit;
}
static INLINE int aom_daala_reader_has_error(daala_reader *r) {
return r->ec.error;
}
static INLINE int daala_read_symbol(daala_reader *r, const aom_cdf_prob *cdf,
int nsymbs) {
int symb;
assert(cdf != NULL);
symb = od_ec_decode_cdf_q15(&r->ec, cdf, nsymbs);
#if CONFIG_BITSTREAM_DEBUG
{
int i;
int cdf_error = 0;
int ref_symb, ref_nsymbs;
aom_cdf_prob ref_cdf[16];
const int queue_r = bitstream_queue_get_read();
const int frame_idx = bitstream_queue_get_frame_read();
bitstream_queue_pop(&ref_symb, ref_cdf, &ref_nsymbs);
if (nsymbs != ref_nsymbs) {
fprintf(stderr,
"\n *** nsymbs error, frame_idx_r %d nsymbs %d ref_nsymbs %d "
"queue_r %d\n",
frame_idx, nsymbs, ref_nsymbs, queue_r);
cdf_error = 0;
assert(0);
} else {
for (i = 0; i < nsymbs; ++i)
if (cdf[i] != ref_cdf[i]) cdf_error = 1;
}
if (cdf_error) {
fprintf(stderr, "\n *** cdf error, frame_idx_r %d cdf {%d", frame_idx,
cdf[0]);
for (i = 1; i < nsymbs; ++i) fprintf(stderr, ", %d", cdf[i]);
fprintf(stderr, "} ref_cdf {%d", ref_cdf[0]);
for (i = 1; i < ref_nsymbs; ++i) fprintf(stderr, ", %d", ref_cdf[i]);
fprintf(stderr, "} queue_r %d\n", queue_r);
assert(0);
}
if (symb != ref_symb) {
fprintf(
stderr,
"\n *** symb error, frame_idx_r %d symb %d ref_symb %d queue_r %d\n",
frame_idx, symb, ref_symb, queue_r);
assert(0);
}
}
#endif
return symb;
}
#ifdef __cplusplus
} // extern "C"
#endif
#endif
|
