On 2/6/2025 11:06 AM, Zhao Zhili wrote: > > >> On Feb 6, 2025, at 21:26, James Almer wrote: >> >> On 2/6/2025 12:50 AM, Zhao Zhili wrote: >>> From: Zhao Zhili >>> Signed-off-by: Zhao Zhili >>> --- >>> libavcodec/hevc/hevcdec.c | 72 ++++++++++++++++++++++++++++++++++++++- >>> libavcodec/hevc/hevcdec.h | 2 ++ >>> libavcodec/hevc/refs.c | 11 +++++- >>> 3 files changed, 83 insertions(+), 2 deletions(-) >> >> Can you please share the sample from the other day without requiring to request for access to your google drive? > > Sorry I have modified the permission but forgot to reply. > > https://drive.google.com/file/d/1SK6gnMNlWODeTySpetNAKgNeqt69DQDz/view?usp=sharing Thanks. That sample however doesn't really showcase the alpha layer doing anything. Can't you generate a sample with videotoolbox out of some apng, webp or similar source with alpha where the transparency is noticeable? The FATE suite has a couple.