/* * 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}