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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /media/ffvpx/libavcodec/parser.h | |
parent | Initial commit. (diff) | |
download | firefox-upstream.tar.xz firefox-upstream.zip |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'media/ffvpx/libavcodec/parser.h')
-rw-r--r-- | media/ffvpx/libavcodec/parser.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/media/ffvpx/libavcodec/parser.h b/media/ffvpx/libavcodec/parser.h new file mode 100644 index 0000000000..2cee5ae4ff --- /dev/null +++ b/media/ffvpx/libavcodec/parser.h @@ -0,0 +1,58 @@ +/* + * AVCodecParser prototypes and definitions + * Copyright (c) 2003 Fabrice Bellard + * Copyright (c) 2003 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVCODEC_PARSER_H +#define AVCODEC_PARSER_H + +#include "avcodec.h" + +typedef struct ParseContext{ + uint8_t *buffer; + int index; + int last_index; + unsigned int buffer_size; + uint32_t state; ///< contains the last few bytes in MSB order + int frame_start_found; + int overread; ///< the number of bytes which where irreversibly read from the next frame + int overread_index; ///< the index into ParseContext.buffer of the overread bytes + uint64_t state64; ///< contains the last 8 bytes in MSB order +} ParseContext; + +#define END_NOT_FOUND (-100) + +/** + * Combine the (truncated) bitstream to a complete frame. + * @return -1 if no complete frame could be created, + * AVERROR(ENOMEM) if there was a memory allocation error + */ +int ff_combine_frame(ParseContext *pc, int next, const uint8_t **buf, int *buf_size); +void ff_parse_close(AVCodecParserContext *s); + +/** + * Fetch timestamps for a specific byte within the current access unit. + * @param off byte position within the access unit + * @param remove Found timestamps will be removed if set to 1, kept if set to 0. + * @param fuzzy Only use found value if it is more informative than what we already have + */ +void ff_fetch_timestamp(AVCodecParserContext *s, int off, int remove, int fuzzy); + +#endif /* AVCODEC_PARSER_H */ |