Scroll text from bottom to top in FFmpeg

I want to scroll text from bottom to top.  I use the command:

ffmpeg -i test.mp4 -vf "drawtext=fontfile=tahoma.ttf:fontsize=40:fontcolor=green:x=(w-text_w)/2+20:y=h-40*t:text=Scroll.txt:bordercolor=white:borderw=2" -c:v libx264 -y -preset ultrafast scrolling.mp4

It scrolls from bottom to top, but I want to scroll from bottom to (top - 50px) only. (I get text from a file and multilines).

1 Answer

Quickest way to do this is to overlay the top 50 px of the original video onto the video with text.

Use

ffmpeg -i test.mp4 -filter_complex "[0]split[txt][orig];[txt]drawtext=fontfile=tahoma.ttf:fontsize=40:fontcolor=green:x=(w-text_w)/2+20:y=h-40*t:text=Scroll.txt:bordercolor=white:borderw=2[txt];[orig]crop=iw:50:0:0[orig];[txt][orig]overlay" -c:v libx264 -y -preset ultrafast scrolling.mp4

7

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