check if the user specified timestamps are strictly monotone

timestamp guess code 10l fix

Originally committed as revision 3483 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 2 insertions, 0 deletions

diff --git a/libavcodec/h263.c b/libavcodec/h263.c
index 3eec00504c..f7421ca0c6 100644
--- a/libavcodec/h263.c
+++ b/libavcodec/h263.c
@@ -2112,11 +2112,13 @@ void ff_set_mpeg4_time(MpegEncContext * s, int picture_number){
 
     if(s->pict_type==B_TYPE){
         s->pb_time= s->pp_time - (s->last_non_b_time - s->time);
+        assert(s->pb_time > 0 && s->pb_time < s->pp_time);
     }else{
         s->last_time_base= s->time_base;
         s->time_base= time_div;
         s->pp_time= s->time - s->last_non_b_time;
         s->last_non_b_time= s->time;
+        assert(s->pp_time > 0);
     }
 }