[FFmpeg-cvslog] avcodec/vvcdec: skip inter prediction for IBC blocks

Nuo Mi git at videolan.org
Sat Feb 24 14:30:53 EET 2024


ffmpeg | branch: master | Nuo Mi <nuomi2021 at gmail.com> | Thu Feb 22 15:14:01 2024 +0800| [3241aa26d1de052fc104dc0fe9981d06c6dd9425] | committer: Nuo Mi

avcodec/vvcdec: skip inter prediction for IBC blocks

Intra Block Copy relies on reconstructed pixels from the current frame.
We skip IBC during the inter prediction stage and handle it during the reconstruction stage.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=3241aa26d1de052fc104dc0fe9981d06c6dd9425
---

 libavcodec/vvc/vvc_inter.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/vvc/vvc_inter.c b/libavcodec/vvc/vvc_inter.c
index 6c9c8a7165..d5be32aa14 100644
--- a/libavcodec/vvc/vvc_inter.c
+++ b/libavcodec/vvc/vvc_inter.c
@@ -893,7 +893,7 @@ static void predict_inter(VVCLocalContext *lc)
 
 static int has_inter_luma(const CodingUnit *cu)
 {
-    return cu->pred_mode != MODE_INTRA && cu->pred_mode != MODE_PLT && cu->tree_type != DUAL_TREE_CHROMA;
+    return (cu->pred_mode == MODE_INTER || cu->pred_mode == MODE_SKIP) && cu->tree_type != DUAL_TREE_CHROMA;
 }
 
 int ff_vvc_predict_inter(VVCLocalContext *lc, const int rs)



More information about the ffmpeg-cvslog mailing list