Replace computations of remaining bits with calls to get_bits_left().

1 files changed, 1 insertions, 1 deletions

diff --git a/libavcodec/h263dec.c b/libavcodec/h263dec.c
index 86282fdbd1..5f35bf8852 100644
--- a/libavcodec/h263dec.c
+++ b/libavcodec/h263dec.c
@@ -650,7 +650,7 @@ retry:
     ret = decode_slice(s);
     while(s->mb_y<s->mb_height){
         if(s->msmpeg4_version){
-            if(s->slice_height==0 || s->mb_x!=0 || (s->mb_y%s->slice_height)!=0 || get_bits_count(&s->gb) > s->gb.size_in_bits)
+            if(s->slice_height==0 || s->mb_x!=0 || (s->mb_y%s->slice_height)!=0 || get_bits_left(&s->gb)<0)
                 break;
         }else{
             int prev_x=s->mb_x, prev_y=s->mb_y;