/* | |
* 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 | |
*/ | |
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; | |
} | |