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

1 files changed, 2 insertions, 2 deletions

diff --git a/libavcodec/h264_ps.c b/libavcodec/h264_ps.c
index 76bf116a3f..287702c7c4 100644
--- a/libavcodec/h264_ps.c
+++ b/libavcodec/h264_ps.c
@@ -227,8 +227,8 @@ static inline int decode_vui_parameters(H264Context *h, SPS *sps){
         sps->num_reorder_frames= get_ue_golomb(&s->gb);
         get_ue_golomb(&s->gb); /*max_dec_frame_buffering*/
 
-        if(s->gb.size_in_bits < get_bits_count(&s->gb)){
-            av_log(h->s.avctx, AV_LOG_ERROR, "Overread VUI by %d bits\n", get_bits_count(&s->gb) - s->gb.size_in_bits);
+        if (get_bits_left(&s->gb) < 0) {
+            av_log(h->s.avctx, AV_LOG_ERROR, "Overread VUI by %d bits\n", -get_bits_left(&s->gb));
             sps->num_reorder_frames=0;
             sps->bitstream_restriction_flag= 0;
         }