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Git pushed a commit to branch release/8.0
in repository ffmpeg.

commit 449453a9713aa1af31a12e148fb0caba80ed02d7
Author:     Jun Zhao <[email protected]>
AuthorDate: Sun Apr 12 22:25:44 2026 +0800
Commit:     Jun Zhao <[email protected]>
CommitDate: Wed Apr 15 23:13:34 2026 +0800

    lavc/videotoolbox_vp9: fix vpcC flags offset
    
    Write the 24-bit vpcC flags field at the current cursor position after
    the version byte. The previous code wrote to p+1 instead of p, leaving
    one byte uninitialized between version and flags and shifting all
    subsequent fields (profile, level, bitdepth, etc.) by one byte.
    
    Signed-off-by: Jun Zhao <[email protected]>
    (cherry picked from commit 19c4bcae68a16ea893b0558d720dd4a2ecd58f0f)
---
 libavcodec/videotoolbox_vp9.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/videotoolbox_vp9.c b/libavcodec/videotoolbox_vp9.c
index f2cb34fca4..1d3dcce2ec 100644
--- a/libavcodec/videotoolbox_vp9.c
+++ b/libavcodec/videotoolbox_vp9.c
@@ -83,7 +83,7 @@ CFDataRef 
ff_videotoolbox_vpcc_extradata_create(AVCodecContext *avctx)
     p = vt_extradata;
 
     *p++ = 1; /* version */
-    AV_WB24(p + 1, 0); /* flags */
+    AV_WB24(p, 0); /* flags */
     p += 3;
 
    *p++ = h->h.profile;

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