I'm trying to build a slideshow, but it stops converting after around 18 seconds and starts throwing warnings for incorrect pixel format, and st:0 dropped frames. Can anyone advise? Thanks.

This is for Windows Batch file

ffmpeg -y -r 1/5 -f concat -safe 0 -protocol_whitelist "file,http,https,tcp,tls" -i "tmp.images.txt" -filter_complex "scale=1920x1080,zoompan=z='if(lte(zoom,1.0),1.2,max(1.001,zoom-0.0008))':x='iw/2-(iw/zoom/2)':y='ih/2-(ih/zoom/2)':fps=10:s=1280x720:d=100" -i "tmp.audio.mp3" -c:v libx264 -preset veryfast -tune stillimage -c:a aac -shortest -pix_fmt yuv420p "tmp.video.mp4"

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