Create a scrolling text video with a static image background using ffmpeg

scrollingffmpeg.sh

# Creates a 20-second video with a scrolling text overlay.
# The image is named 'input.png', and the textfile it reads from is called 'yourfile.txt'.

# Create a video of the image
ffmpeg -loop 1 -t 20 -i input.png output.mp4

# Add scrolling text to the video
ffmpeg -i output.mp4 -filter_complex \
"[0]split[txt][orig];[txt]drawtext=fontfile=tahoma.ttf:fontsize=55:fontcolor=white:x=(w-text_w)/2+20:y=h-20*t:textfile='yourfile.txt':bordercolor=black:line_spacing=20:borderw=3[txt];[orig]crop=iw:50:0:0[orig];[txt][orig]overlay" \
-c:v libx264 -y -preset ultrafast -t 20 output_scrolling.mp4