avcodec/hevc_ps: Use get_bits_long() in decode_vui()

Fix assertion failure
Fixes: a225222ef88a0f5b1e93e1d0432debc3-asan_static-oob_124a17d_1448_cov_77608227_DBLK_E_VIXS_1.bit
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

diff --git a/libavcodec/hevc_ps.c b/libavcodec/hevc_ps.c
index 302a59f..a4c74c9 100644 (file)
--- a/libavcodec/hevc_ps.c
+++ b/libavcodec/hevc_ps.c
@@ -501,8 +501,8 @@ static void decode_vui(HEVCContext *s, HEVCSPS *sps)
     vui->vui_timing_info_present_flag = get_bits1(gb);
 
     if (vui->vui_timing_info_present_flag) {
-        vui->vui_num_units_in_tick               = get_bits(gb, 32);
-        vui->vui_time_scale                      = get_bits(gb, 32);
+        vui->vui_num_units_in_tick               = get_bits_long(gb, 32);
+        vui->vui_time_scale                      = get_bits_long(gb, 32);
         vui->vui_poc_proportional_to_timing_flag = get_bits1(gb);
         if (vui->vui_poc_proportional_to_timing_flag)
             vui->vui_num_ticks_poc_diff_one_minus1 = get_ue_golomb_long(gb);