/*

  * 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;

 }