Module: libav
Branch: master
Commit: 72072bf9de3241848ea86f68d2297b7a5d6ad49b

Author:    Luca Barbato <[email protected]>
Committer: Luca Barbato <[email protected]>
Date:      Tue Oct 22 19:17:10 2013 +0200

mpegvideo: Drop a faulty assert

That check is easily reachable by faulty input.

CC:[email protected]
Reported-by: Torsten Sadowski <[email protected]>

---

 libavcodec/mpegvideo.c |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index 192e27f..718f946 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -1633,8 +1633,12 @@ int ff_MPV_frame_start(MpegEncContext *s, AVCodecContext 
*avctx)
             return ret;
     }
 
-    assert(s->pict_type == AV_PICTURE_TYPE_I || (s->last_picture_ptr &&
-                                                 
s->last_picture_ptr->f.data[0]));
+    if (s->pict_type != AV_PICTURE_TYPE_I &&
+        !(s->last_picture_ptr && s->last_picture_ptr->f.data[0])) {
+        av_log(s, AV_LOG_ERROR,
+               "Non-reference picture received and no reference available\n");
+        return AVERROR_INVALIDDATA;
+    }
 
     if (s->picture_structure!= PICT_FRAME) {
         int i;

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