ffmpeg_for_creators.sh

# crop to mobile vertical
ffmpeg -i horizontal.mp4  -filter:v "crop=607:1080:760:0" vertical.mp4 

/usr/local/Cellar/ffmpeg/4.2.2-with-options_1/bin/ffmpeg \
    -i Screen\ Shot\ 2020-04-13\ at\ 8.52.51\ PM.png -i Glory.wav \
    -acodec libfdk_aac \
    -filter_complex "[1:a]showwaves=mode=line:s=hd1080:colors=White[v];[0:v][v]overlay=format=auto,format=yuv420p[vout]" \
    -map "[vout]" -map 1:a   -vcodec libx264 -pix_fmt yuv420p  \
    output.mp4


/usr/local/Cellar/ffmpeg/4.2.2-with-options_1/bin/ffmpeg \
    -i Screen\ Shot\ 2020-04-13\ at\ 8.52.51\ PM.png -i Glory.wav \
    -acodec libfdk_aac \
    -filter_complex "[1:a]showwaves=mode=line:s=hd1080:colors=White[v];[0:v][v]overlay=format=auto,format=yuv420p[vout]" \
    -map "[vout]" -map 1:a \
    -vcodec libx264 -pix_fmt yuv420p \
    output.mp4


# overlay image
# https://video.stackexchange.com/questions/12105/add-an-image-overlay-in-front-of-video-using-ffmpeg
ffmpeg -i Xpand2-daydream.mp4 -i Xpand2-daydream.png \
       -filter_complex "[0:v][1:v] overlay=1200:25:enable='between(t,0,999)'" \
       -pix_fmt yuv420p -c:a copy \
       Xpand2-daydream-overlay.mp4

# with image scaled
ffmpeg -i Xpand2-daydream.mp4 -i Xpand2-daydream.png \
       -filter_complex "[1:v]scale=800:800 [ovrl], [0:v][ovrl] overlay=1050:25:enable='between(t,0,999)'" \
       -pix_fmt yuv420p -c:a copy \
       Xpand2-daydream-overlay.mp4