ffmpeg/libavcodec/adts_parser.c

45 lines
1.3 KiB
C

/*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; 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
}