[FFmpeg-devel] [PATCH] lavc/vvc: Fix left shifts of negative values

[Frank Plowman]

All these variables lie in the range [-12..12]

Signed-off-by: Frank Plowman <post at frankplowman.com>
---
 libavcodec/vvc/ps.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/libavcodec/vvc/ps.c b/libavcodec/vvc/ps.c
index 3c71c34bae..1b23675c98 100644
--- a/libavcodec/vvc/ps.c
+++ b/libavcodec/vvc/ps.c
@@ -1196,12 +1196,12 @@ static void sh_deblock_offsets(VVCSH *sh)
     const H266RawSliceHeader *r = sh->r;
 
     if (!r->sh_deblocking_filter_disabled_flag) {
-        sh->deblock.beta_offset[LUMA] = r->sh_luma_beta_offset_div2 << 1;
-        sh->deblock.tc_offset[LUMA]   = r->sh_luma_tc_offset_div2 << 1;
-        sh->deblock.beta_offset[CB]   = r->sh_cb_beta_offset_div2 << 1;
-        sh->deblock.tc_offset[CB]     = r->sh_cb_tc_offset_div2 << 1;
-        sh->deblock.beta_offset[CR]   = r->sh_cr_beta_offset_div2 << 1;
-        sh->deblock.tc_offset[CR]     = r->sh_cr_tc_offset_div2 << 1;
+        sh->deblock.beta_offset[LUMA] = r->sh_luma_beta_offset_div2 * 2;
+        sh->deblock.tc_offset[LUMA]   = r->sh_luma_tc_offset_div2 * 2;
+        sh->deblock.beta_offset[CB]   = r->sh_cb_beta_offset_div2 * 2;
+        sh->deblock.tc_offset[CB]     = r->sh_cb_tc_offset_div2 * 2;
+        sh->deblock.beta_offset[CR]   = r->sh_cr_beta_offset_div2 * 2;
+        sh->deblock.tc_offset[CR]     = r->sh_cr_tc_offset_div2 * 2;
     }
 }
 
-- 
2.44.0