| /* |
| * Copyright (c) 2017, 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 AV1_DECODER_OBU_H |
| #define AV1_DECODER_OBU_H |
| |
| #include "aom/aom_codec.h" |
| #include "av1/decoder/decoder.h" |
| |
| typedef struct { |
| size_t size; |
| OBU_TYPE type; |
| int has_length_field; |
| int has_extension; |
| int temporal_layer_id; |
| int enhancement_layer_id; |
| } ObuHeader; |
| |
| // TODO(tomfinegan): Functions exposed here should be prefixed w/aom_ for |
| // conformance w/naming elsewhere in the library, and to avoid potential |
| // collisions with other software using the library. |
| |
| // Extracts OBU type from 'obu_header_byte' and returns it via 'obu_type' |
| // pointer. |
| // Return value is 0 when the OBU header contains a valid OBU_TYPE value, -1 |
| // otherwise. |
| int get_obu_type(uint8_t obu_header_byte, OBU_TYPE *obu_type); |
| |
| aom_codec_err_t aom_read_obu_header(uint8_t *buffer, size_t buffer_length, |
| size_t *consumed, ObuHeader *header, |
| int is_annexb); |
| |
| void av1_decode_frame_from_obus(struct AV1Decoder *pbi, const uint8_t *data, |
| const uint8_t *data_end, |
| const uint8_t **p_data_end); |
| |
| #endif |