[FFmpeg-devel] [PATCH 1/2] avcodec/h264_ps: Check for truncation at fixed_frame_rate_flag

[Michael Niedermayer]

Fixes: Ticket7249 (No longer displaying a scary red message)

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
 libavcodec/h264_ps.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libavcodec/h264_ps.c b/libavcodec/h264_ps.c
index e8738d8502..74f12f8979 100644
--- a/libavcodec/h264_ps.c
+++ b/libavcodec/h264_ps.c
@@ -203,6 +203,10 @@ static inline int decode_vui_parameters(GetBitContext *gb, AVCodecContext *avctx
             sps->num_units_in_tick = num_units_in_tick;
             sps->time_scale = time_scale;
         }
+        if (get_bits_left(gb) == 0) {
+            av_log(avctx, AV_LOG_WARNING, "Truncated VUI before fixed_frame_rate_flag\n");
+            return 0;
+        }
         sps->fixed_frame_rate_flag = get_bits1(gb);
     }
 
-- 
2.24.0