mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-11-21 10:55:51 +02:00
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
/*
|
|
* 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
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
|
|
#include "adts_header.h"
|
|
#include "adts_parser.h"
|
|
|
|
int av_adts_header_parse(const uint8_t *buf, uint32_t *samples, uint8_t *frames)
|
|
{
|
|
#if CONFIG_ADTS_HEADER
|
|
GetBitContext gb;
|
|
AACADTSHeaderInfo hdr;
|
|
int err = init_get_bits8(&gb, buf, AV_AAC_ADTS_HEADER_SIZE);
|
|
if (err < 0)
|
|
return err;
|
|
err = ff_adts_header_parse(&gb, &hdr);
|
|
if (err < 0)
|
|
return err;
|
|
*samples = hdr.samples;
|
|
*frames = hdr.num_aac_frames;
|
|
return 0;
|
|
#else
|
|
return AVERROR(ENOSYS);
|
|
#endif
|
|
}
|
|
|
|
int avpriv_adts_header_parse(AACADTSHeaderInfo **phdr, const uint8_t *buf, size_t size)
|
|
{
|
|
#if CONFIG_ADTS_HEADER
|
|
int ret = 0;
|
|
int allocated = 0;
|
|
GetBitContext gb;
|
|
|
|
if (!phdr || !buf || size < AV_AAC_ADTS_HEADER_SIZE)
|
|
return AVERROR_INVALIDDATA;
|
|
|
|
if (!*phdr) {
|
|
allocated = 1;
|
|
*phdr = av_mallocz(sizeof(AACADTSHeaderInfo));
|
|
}
|
|
if (!*phdr)
|
|
return AVERROR(ENOMEM);
|
|
|
|
ret = init_get_bits8(&gb, buf, AV_AAC_ADTS_HEADER_SIZE);
|
|
if (ret < 0) {
|
|
if (allocated)
|
|
av_freep(phdr);
|
|
return ret;
|
|
}
|
|
|
|
ret = ff_adts_header_parse(&gb, *phdr);
|
|
if (ret < 0) {
|
|
if (allocated)
|
|
av_freep(phdr);
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
#else
|
|
return AVERROR(ENOSYS);
|
|
#endif
|
|
}
|