From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- third_party/aom/common/obudec.h | 48 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 third_party/aom/common/obudec.h (limited to 'third_party/aom/common/obudec.h') diff --git a/third_party/aom/common/obudec.h b/third_party/aom/common/obudec.h new file mode 100644 index 0000000000..b2adb1e3d7 --- /dev/null +++ b/third_party/aom/common/obudec.h @@ -0,0 +1,48 @@ +/* + * 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 AOM_COMMON_OBUDEC_H_ +#define AOM_COMMON_OBUDEC_H_ + +#include "common/tools_common.h" + +#ifdef __cplusplus +extern "C" { +#endif + +struct ObuDecInputContext { + struct AvxInputContext *avx_ctx; + uint8_t *buffer; + size_t buffer_capacity; + size_t bytes_buffered; + int is_annexb; +}; + +// Returns 1 when file data starts (if Annex B stream, after reading the +// size of the OBU) with what appears to be a Temporal Delimiter +// OBU as defined by Section 5 of the AV1 bitstream specification. +int file_is_obu(struct ObuDecInputContext *obu_ctx); + +// Reads one Temporal Unit from the input file. Returns 0 when a TU is +// successfully read, 1 when end of file is reached, and less than 0 when an +// error occurs. Stores TU data in 'buffer'. Reallocs buffer to match TU size, +// returns buffer capacity via 'buffer_size', and returns size of buffered data +// via 'bytes_read'. +int obudec_read_temporal_unit(struct ObuDecInputContext *obu_ctx, + uint8_t **buffer, size_t *bytes_read, + size_t *buffer_size); + +void obudec_free(struct ObuDecInputContext *obu_ctx); + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif // AOM_COMMON_OBUDEC_H_ -- cgit v1.2.3