Hello : i have a question about -s and -pix_fmt
the raw video is 8K yuv420 , and i want get 4K 444 so i use this : -s 3840x2160 -pix_fmt yuv444p as we know 420 have half resolution ， 8k have 4k UV channel what ffmpeg will do when resize ? keep raw 4k UV channel with downscaled Y channel or down UV to 2K them save them in upscale 4K ? I don't know how to code , so i cant figure this question through source code even its the best way Thanks for help . by the way , can yuv4mpegpipe use yuv444p mode ? i failed when try -s 3840x2160 -pix_fmt yuv444p -f yuv4mpegpipe - | xxx xxx xxx xxx xxx xxx Regards Sorry I'm not native english useer . sorry for grammar error And this is my first time use mail list , sorry for disturb ， i used post on forums . And is that the correct way to use a mail list ? _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
