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author | Nicolas Gaullier <nicolas.gaullier@cji.paris> | 2021-01-25 13:11:37 +0100 |
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committer | Paul B Mahol <onemda@gmail.com> | 2021-01-25 13:19:48 +0100 |
commit | c7016e35a624a75bb5b82bee932ddfe28d013b3f (patch) | |
tree | d150896f1723e2119044a2fd4f91e5fab6a90477 /libavcodec/dolby_e_parser_internal.h | |
parent | 0bf18db26aa277d11c4ae5ecb6dd7b8fad188add (diff) | |
download | ffmpeg-c7016e35a624a75bb5b82bee932ddfe28d013b3f.tar.gz |
avcodec/dolby_e: Split decoder/parser files
Diffstat (limited to 'libavcodec/dolby_e_parser_internal.h')
-rw-r--r-- | libavcodec/dolby_e_parser_internal.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/libavcodec/dolby_e_parser_internal.h b/libavcodec/dolby_e_parser_internal.h new file mode 100644 index 0000000000..defd1f97d6 --- /dev/null +++ b/libavcodec/dolby_e_parser_internal.h @@ -0,0 +1,46 @@ +/* + * Dolby E parser internal code + * + * 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_DOLBY_E_PARSER_INTERNAL_H +#define AVCODEC_DOLBY_E_PARSER_INTERNAL_H + +#include "dolby_e.h" + +/** + * Initialize DBEContext. + * Set word_bits/word_bytes, input, input_size, key_present. + * @param[out] s DBEContext. + * @param[in] buf raw input buffer. + * @param[in] buf_size must be 3 bytes at least. + * @return Returns 0 on success, AVERROR_INVALIDDATA on error + */ +int ff_dolby_e_parse_init(DBEContext *s, const uint8_t *buf, int buf_size); + +/** + * Parse Dolby E metadata. + * Parse the header up to the end_gain element. + * @param[in] s DBEContext . + * @param[out] hdr Pointer to struct where header info is written. + * @return Returns 0 on success, AVERROR_INVALIDDATA on error + */ +int ff_dolby_e_parse_header(DBEContext *s, DolbyEHeaderInfo *hdr); + + +#endif /* AVCODEC_DOLBY_E_PARSER_INTERNAL_H */ |