mirror of
https://github.com/FFmpeg/FFmpeg.git
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676e7d7f9b
Code freeing the struct on failure is kept for backwards compatibility, but should be removed in the next major bump, and the existing lavf user adapted. Signed-off-by: James Almer <jamrial@gmail.com>
82 lines
2.1 KiB
C
82 lines
2.1 KiB
C
/*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "config.h"
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#include <stddef.h>
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#include <stdint.h>
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#include "adts_header.h"
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#include "adts_parser.h"
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int av_adts_header_parse(const uint8_t *buf, uint32_t *samples, uint8_t *frames)
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{
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#if CONFIG_ADTS_HEADER
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GetBitContext gb;
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AACADTSHeaderInfo hdr;
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int err = init_get_bits8(&gb, buf, AV_AAC_ADTS_HEADER_SIZE);
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if (err < 0)
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return err;
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err = ff_adts_header_parse(&gb, &hdr);
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if (err < 0)
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return err;
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*samples = hdr.samples;
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*frames = hdr.num_aac_frames;
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return 0;
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#else
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return AVERROR(ENOSYS);
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#endif
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}
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int avpriv_adts_header_parse(AACADTSHeaderInfo **phdr, const uint8_t *buf, size_t size)
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{
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#if CONFIG_ADTS_HEADER
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int ret = 0;
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int allocated = 0;
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GetBitContext gb;
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if (!phdr || !buf || size < AV_AAC_ADTS_HEADER_SIZE)
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return AVERROR_INVALIDDATA;
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if (!*phdr) {
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allocated = 1;
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*phdr = av_mallocz(sizeof(AACADTSHeaderInfo));
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}
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if (!*phdr)
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return AVERROR(ENOMEM);
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ret = init_get_bits8(&gb, buf, AV_AAC_ADTS_HEADER_SIZE);
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if (ret < 0) {
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if (allocated)
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av_freep(phdr);
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return ret;
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}
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ret = ff_adts_header_parse(&gb, *phdr);
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if (ret < 0) {
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if (allocated)
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av_freep(phdr);
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return ret;
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}
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return 0;
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#else
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return AVERROR(ENOSYS);
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#endif
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}
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