mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
b5f19f7478
This makes the currently semi-public avpriv_aac_parse_header() function private to libavcodec and adds a proper public API function to return the parts of the ADTS header required in libavformat.
45 lines
1.3 KiB
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
|
|
}
|