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