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/*
* Copyright (c) 2021, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 3-Clause Clear License
* and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear
* License was not distributed with this source code in the LICENSE file, you
* can obtain it at aomedia.org/license/software-license/bsd-3-c-c/. 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
* aomedia.org/license/patent-license/.
*/
#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;
// The following fields come from the OBU extension header and therefore are
// only used if has_extension is true.
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_