Fix valgrind and asan memory leaks and crashes.

libavformat/mov.c

 /*
  * MOV demuxer
  * Copyright (c) 2001 Fabrice Bellard
  * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
  *
  * 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
@@ skipping 2944 matching lines @@
         MOVStreamContext *sc = st->priv_data;
 
         av_freep(&sc->ctts_data);
         for (j = 0; j < sc->drefs_count; j++) {
             av_freep(&sc->drefs[j].path);
             av_freep(&sc->drefs[j].dir);
         }
         av_freep(&sc->drefs);
         if (sc->pb && sc->pb != s->pb)
             avio_close(sc->pb);
+        av_freep(&sc->chunk_offsets);
+        av_freep(&sc->keyframes);
+        av_freep(&sc->sample_sizes);
+        av_freep(&sc->stps_data);
+        av_freep(&sc->stsc_data);
+        av_freep(&sc->stts_data);
     }
 
     if (mov->dv_demux) {
         for (i = 0; i < mov->dv_fctx->nb_streams; i++) {
             av_freep(&mov->dv_fctx->streams[i]->codec);
             av_freep(&mov->dv_fctx->streams[i]);
         }
         av_freep(&mov->dv_fctx);
         av_freep(&mov->dv_demux);
     }
@@ skipping 16 matching lines @@
     .name           = "mov,mp4,m4a,3gp,3g2,mj2",
     .long_name      = NULL_IF_CONFIG_SMALL("QuickTime/MPEG-4/Motion JPEG 2000 format"),
     .priv_data_size = sizeof(MOVContext),
     .read_probe     = mov_probe,
     .read_header    = mov_read_header,
     .read_packet    = mov_read_packet,
     .read_close     = mov_read_close,
     .read_seek      = mov_read_seek,
     .priv_class     = &class,
 };