dooa    2On Tue, Nov 01, 2022 at 03:12:08PM -0400, Drew Dunne wrote:
> This was supposed to be in reply to a previous patch I sent, but I changed
> the git message so maybe it didn't like that. Sorry about that.
> 
> Attached is the example YUVA file that can reproduce the overflow bug.
> 
> The command to reproduce is:
> 
> ./ffmpeg \
>   -f rawvideo -video_size 66x64 -pixel_format yuva420p10le \
>   -i overflow_input_w66h64.yuva420p10le \
>   -filter_complex
> "scale=flags=bicubic+full_chroma_int+full_chroma_inp+bitexact+accurate_rnd:in_color_matrix=bt2020:out_color_matrix=bt2020:in_range=full:out_range=full,format=rgba64[out]"
> \
>   -f rawvideo -codec:v:0 rawvideo -pixel_format rgba64 -map '[out]' \
>   -y overflow_w66h64.rgba64
> 
> I've attached a PNG of the resulting overflowed image, there is a clear
> discoloration in the bottom left corner that's orange instead of pink.
> 
> I've also attached a PNG of the image using the patch to correct this
> overflow.

I dont like the multi cliping per sample, ill post a different solution

thx

[...]

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Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

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