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/* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "config.h" |
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#include <stddef.h> |
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#include <stdint.h> |
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#include "adts_header.h" |
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#include "adts_parser.h" |
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int av_adts_header_parse(const uint8_t *buf, uint32_t *samples, uint8_t *frames) |
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{ |
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#if CONFIG_ADTS_HEADER |
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GetBitContext gb; |
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AACADTSHeaderInfo hdr; |
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int err = init_get_bits8(&gb, buf, AV_AAC_ADTS_HEADER_SIZE); |
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if (err < 0) |
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return err; |
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err = ff_adts_header_parse(&gb, &hdr); |
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if (err < 0) |
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return err; |
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*samples = hdr.samples; |
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*frames = hdr.num_aac_frames; |
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return 0; |
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#else |
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return AVERROR(ENOSYS); |
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#endif |
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} |
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int avpriv_adts_header_parse(AACADTSHeaderInfo **phdr, const uint8_t *buf, size_t size) |
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{ |
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#if CONFIG_ADTS_HEADER |
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int ret = 0; |
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GetBitContext gb; |
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if (!phdr || !buf || size < AV_AAC_ADTS_HEADER_SIZE) |
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return AVERROR_INVALIDDATA; |
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*phdr = av_mallocz(sizeof(AACADTSHeaderInfo)); |
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if (!*phdr) |
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return AVERROR(ENOMEM); |
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ret = init_get_bits8(&gb, buf, AV_AAC_ADTS_HEADER_SIZE); |
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if (ret < 0) { |
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av_freep(phdr); |
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return ret; |
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} |
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ret = ff_adts_header_parse(&gb, *phdr); |
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if (ret < 0) { |
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av_freep(phdr); |
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return ret; |
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} |
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return 0; |
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#else |
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return AVERROR(ENOSYS); |
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#endif |
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} |
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