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-rw-r--r--libavcodec/mpegvideo.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index ed1e6b7c71..3b097e1dff 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -2015,6 +2015,12 @@ static void select_input_picture(MpegEncContext *s){
for(i=0; i<s->max_b_frames+1; i++){
int pict_num= s->input_picture[0]->display_picture_number + i;
int pict_type= s->rc_context.entry[pict_num].new_pict_type;
+
+ if(!s->input_picture[i]){
+ if(i>0)
+ s->rc_context.entry[pict_num-1].new_pict_type = P_TYPE;
+ break;
+ }
s->input_picture[i]->pict_type= pict_type;
if(i + 1 >= s->rc_context.num_entries) break;