additional recovery for the badly broken streams

Originally committed as revision 16438 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago · 6d8b21f3e8
parent 91d553c386
commit 6d8b21f3e8
1 changed files with 2 additions and 0 deletions
--- a/libavformat/dv.c
+++ b/libavformat/dv.c
@ -430,6 +430,8 @@ static int dv_read_packet(AVFormatContext *s, AVPacket *pkt)
    size = dv_get_packet(c->dv_demux, pkt);

    if (size < 0) {
+        if (!c->dv_demux->sys)
+            return AVERROR(EIO);
        size = c->dv_demux->sys->frame_size;
        if (get_buffer(s->pb, c->buf, size) <= 0)
            return AVERROR(EIO);