Nyanmisaka

Here are [some clips](https://drive.google.com/drive/folders/127DXU2hvmzXgbzspmhMDUoQXRnGi3yqU?usp=sharing) I collected for testing DoVi/HDR. You can play it to see if the color is normal and whether it will cause ffmpeg to fail.

> > Here are [some clips](https://drive.google.com/drive/folders/127DXU2hvmzXgbzspmhMDUoQXRnGi3yqU?usp=sharing) I collected for testing DoVi/HDR. You can play it to see if the color is normal and whether it will cause ffmpeg to fail....

> One interesting thing is, during my testing I found an ffmpeg issue on `bufsize` and `maxrate` option, where setting them will cause performance regression and even encoder hangs when...

> It's not about "exceeding hardware specs"; it's a supported value, but it just works buggy. The encoder would succeed, albeit with a much slower speed (up to a 50%...