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45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
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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 "avformat.h"
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#include "avio.h"
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#include "isom.h"
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int ff_mov_read_esds(AVFormatContext *fc, AVIOContext *pb)
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{
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AVStream *st;
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int tag, ret = 0;
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if (fc->nb_streams < 1)
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return 0;
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st = fc->streams[fc->nb_streams-1];
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avio_rb32(pb); /* version + flags */
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ff_mp4_read_descr(fc, pb, &tag);
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if (tag == MP4ESDescrTag) {
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ff_mp4_parse_es_descr(pb, NULL);
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} else
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avio_rb16(pb); /* ID */
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ff_mp4_read_descr(fc, pb, &tag);
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if (tag == MP4DecConfigDescrTag)
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ret = ff_mp4_read_dec_config_descr(fc, st, pb);
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return ret;
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}
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