1 /*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 #include "config.h"
20
21 #include <stddef.h>
22 #include <stdint.h>
23
24 #include "adts_header.h"
25 #include "adts_parser.h"
26
av_adts_header_parse(const uint8_t * buf,uint32_t * samples,uint8_t * frames)27 int av_adts_header_parse(const uint8_t *buf, uint32_t *samples, uint8_t *frames)
28 {
29 #if CONFIG_ADTS_HEADER
30 GetBitContext gb;
31 AACADTSHeaderInfo hdr;
32 int err = init_get_bits8(&gb, buf, AV_AAC_ADTS_HEADER_SIZE);
33 if (err < 0)
34 return err;
35 err = ff_adts_header_parse(&gb, &hdr);
36 if (err < 0)
37 return err;
38 *samples = hdr.samples;
39 *frames = hdr.num_aac_frames;
40 return 0;
41 #else
42 return AVERROR(ENOSYS);
43 #endif
44 }
45