blob: adf3568e154ed06026f848a9445f9b073a246d84 (
plain)
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
|
/*
* Copyright (c) 2018, 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_AV1_COMMON_OBU_UTIL_H_
#define AOM_AV1_COMMON_OBU_UTIL_H_
#include "aom/aom_codec.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
size_t size; // Size (1 or 2 bytes) of the OBU header (including the
// optional OBU extension header) in the bitstream.
OBU_TYPE type;
int has_size_field;
int has_extension; // Whether the optional OBU extension header is present.
// The following fields come from the OBU extension header. They are set to 0
// if has_extension is false.
int temporal_layer_id;
int spatial_layer_id;
} ObuHeader;
aom_codec_err_t aom_read_obu_header(uint8_t *buffer, size_t buffer_length,
size_t *consumed, ObuHeader *header,
int is_annexb);
aom_codec_err_t aom_read_obu_header_and_size(const uint8_t *data,
size_t bytes_available,
int is_annexb,
ObuHeader *obu_header,
size_t *const payload_size,
size_t *const bytes_read);
#ifdef __cplusplus
} // extern "C"
#endif
#endif // AOM_AV1_COMMON_OBU_UTIL_H_
|
