/*
* 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 <string.h>
#include "libavutil/error.h"
#include "libavutil/mem.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
uint8_t tmpbuf[AV_AAC_ADTS_HEADER_SIZE + AV_INPUT_BUFFER_PADDING_SIZE];
AACADTSHeaderInfo hdr;
int err;
if (!buf)
return AVERROR(EINVAL);
memcpy(tmpbuf, buf, AV_AAC_ADTS_HEADER_SIZE);
err = ff_adts_header_parse_buf(tmpbuf, &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 ;
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 = ff_adts_header_parse_buf(buf, *phdr);
if (ret < 0 ) {
if (allocated)
av_freep(phdr);
return ret;
}
return 0 ;
#else
return AVERROR(ENOSYS);
#endif
}
Messung V0.5 in Prozent C=78 H=96 G=87
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-08-25)
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