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.
*/
/*!\file
* \brief Provides the high level interface to wrap decoder algorithms.
*
*/
#include <stdarg.h>
#include <stdlib.h>
#include "config/aom_config.h"
#include "config/aom_version.h"
#include "aom/aom_integer.h"
#include "aom/internal/aom_codec_internal.h"
#define SAVE_STATUS(ctx, var) (ctx ? (ctx->err = var) : var)
int aom_codec_version(void) { return VERSION_PACKED; }
const char *aom_codec_version_str(void) { return VERSION_STRING_NOSP; }
const char *aom_codec_version_extra_str(void) { return VERSION_EXTRA; }
const char *aom_codec_iface_name(aom_codec_iface_t *iface) {
return iface ? iface->name : "<invalid interface>";
}
const char *aom_codec_err_to_string(aom_codec_err_t err) {
switch (err) {
case AOM_CODEC_OK: return "Success";
case AOM_CODEC_ERROR: return "Unspecified internal error";
case AOM_CODEC_MEM_ERROR: return "Memory allocation error";
case AOM_CODEC_ABI_MISMATCH: return "ABI version mismatch";
case AOM_CODEC_INCAPABLE:
return "Codec does not implement requested capability";
case AOM_CODEC_UNSUP_BITSTREAM:
return "Bitstream not supported by this decoder";
case AOM_CODEC_UNSUP_FEATURE:
return "Bitstream required feature not supported by this decoder";
case AOM_CODEC_CORRUPT_FRAME: return "Corrupt frame detected";
case AOM_CODEC_INVALID_PARAM: return "Invalid parameter";
case AOM_CODEC_LIST_END: return "End of iterated list";
}
return "Unrecognized error code";
}
const char *aom_codec_error(aom_codec_ctx_t *ctx) {
return (ctx) ? aom_codec_err_to_string(ctx->err)
: aom_codec_err_to_string(AOM_CODEC_INVALID_PARAM);
}
const char *aom_codec_error_detail(aom_codec_ctx_t *ctx) {
if (ctx && ctx->err)
return ctx->priv ? ctx->priv->err_detail : ctx->err_detail;
return NULL;
}
aom_codec_err_t aom_codec_destroy(aom_codec_ctx_t *ctx) {
aom_codec_err_t res;
if (!ctx)
res = AOM_CODEC_INVALID_PARAM;
else if (!ctx->iface || !ctx->priv)
res = AOM_CODEC_ERROR;
else {
ctx->iface->destroy((aom_codec_alg_priv_t *)ctx->priv);
ctx->iface = NULL;
ctx->name = NULL;
ctx->priv = NULL;
res = AOM_CODEC_OK;
}
return SAVE_STATUS(ctx, res);
}
aom_codec_caps_t aom_codec_get_caps(aom_codec_iface_t *iface) {
return (iface) ? iface->caps : 0;
}
aom_codec_err_t aom_codec_control_(aom_codec_ctx_t *ctx, int ctrl_id, ...) {
aom_codec_err_t res;
if (!ctx || !ctrl_id)
res = AOM_CODEC_INVALID_PARAM;
else if (!ctx->iface || !ctx->priv || !ctx->iface->ctrl_maps)
res = AOM_CODEC_ERROR;
else {
aom_codec_ctrl_fn_map_t *entry;
res = AOM_CODEC_ERROR;
for (entry = ctx->iface->ctrl_maps; entry && entry->fn; entry++) {
if (!entry->ctrl_id || entry->ctrl_id == ctrl_id) {
va_list ap;
va_start(ap, ctrl_id);
res = entry->fn((aom_codec_alg_priv_t *)ctx->priv, ap);
va_end(ap);
break;
}
}
}
return SAVE_STATUS(ctx, res);
}
void aom_internal_error(struct aom_internal_error_info *info,
aom_codec_err_t error, const char *fmt, ...) {
va_list ap;
info->error_code = error;
info->has_detail = 0;
if (fmt) {
size_t sz = sizeof(info->detail);
info->has_detail = 1;
va_start(ap, fmt);
vsnprintf(info->detail, sz - 1, fmt, ap);
va_end(ap);
info->detail[sz - 1] = '\0';
}
if (info->setjmp) longjmp(info->jmp, info->error_code);
}
void aom_merge_corrupted_flag(int *corrupted, int value) {
*corrupted |= value;
}
const char *aom_obu_type_to_string(OBU_TYPE type) {
switch (type) {
case OBU_SEQUENCE_HEADER: return "OBU_SEQUENCE_HEADER";
case OBU_TEMPORAL_DELIMITER: return "OBU_TEMPORAL_DELIMITER";
case OBU_FRAME_HEADER: return "OBU_FRAME_HEADER";
case OBU_REDUNDANT_FRAME_HEADER: return "OBU_REDUNDANT_FRAME_HEADER";
case OBU_FRAME: return "OBU_FRAME";
case OBU_TILE_GROUP: return "OBU_TILE_GROUP";
case OBU_METADATA: return "OBU_METADATA";
case OBU_TILE_LIST: return "OBU_TILE_LIST";
case OBU_PADDING: return "OBU_PADDING";
default: break;
}
return "<Invalid OBU Type>";
}
|
