h264: try reading SPS with wrong escaping, it sometimes works better

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 4 insertions, 1 deletions

diff --git a/libavcodec/h264_ps.c b/libavcodec/h264_ps.c
index ba16e1c076..36b18e9cc7 100644
--- a/libavcodec/h264_ps.c
+++ b/libavcodec/h264_ps.c
@@ -228,7 +228,6 @@ static inline int decode_vui_parameters(H264Context *h, SPS *sps){
         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);
             sps->num_reorder_frames=0;
             sps->bitstream_restriction_flag= 0;
         }
@@ -238,6 +237,10 @@ static inline int decode_vui_parameters(H264Context *h, SPS *sps){
             return -1;
         }
     }
+    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);
+        return -1;
+    }
 
     return 0;
 }