47 lines
1.8 KiB
C
47 lines
1.8 KiB
C
/*
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* Copyright (c) 2018, Alliance for Open Media. All rights reserved.
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*
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* This source code is subject to the terms of the BSD 2 Clause License and
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* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
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* was not distributed with this source code in the LICENSE file, you can
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* obtain it at www.aomedia.org/license/software. If the Alliance for Open
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* Media Patent License 1.0 was not distributed with this source code in the
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* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
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*/
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#ifndef AOM_AV1_COMMON_OBU_UTIL_H_
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#define AOM_AV1_COMMON_OBU_UTIL_H_
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#include "aom/aom_codec.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct {
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size_t size; // Size (1 or 2 bytes) of the OBU header (including the
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// optional OBU extension header) in the bitstream.
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OBU_TYPE type;
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int has_size_field;
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int has_extension; // Whether the optional OBU extension header is present.
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// The following fields come from the OBU extension header. They are set to 0
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// if has_extension is false.
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int temporal_layer_id;
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int spatial_layer_id;
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} ObuHeader;
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aom_codec_err_t aom_read_obu_header(uint8_t *buffer, size_t buffer_length,
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size_t *consumed, ObuHeader *header,
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int is_annexb);
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aom_codec_err_t aom_read_obu_header_and_size(const uint8_t *data,
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size_t bytes_available,
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int is_annexb,
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ObuHeader *obu_header,
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size_t *const payload_size,
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size_t *const bytes_read);
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // AOM_AV1_COMMON_OBU_UTIL_H_
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