rmdec: fix crash at end of file

Originally committed as revision 18018 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago · c3df4a3bfe
parent 9a10a0767c
commit c3df4a3bfe
1 changed files with 2 additions and 1 deletions
--- a/libavformat/rmdec.c
+++ b/libavformat/rmdec.c
@ -774,7 +774,8 @@ static int rm_read_packet(AVFormatContext *s, AVPacket *pkt)
                flags = (seq++ == 1) ? 2 : 0;
            } else {
                len=sync(s, &timestamp, &flags, &i, &pos);
-                st = s->streams[i];
+                if (len > 0)
+                    st = s->streams[i];
            }

            if(len<0 || url_feof(s->pb))