ffmpeg – overlay

copy metadata from m4a to mp3 | ogg

ls *.m4a | while read line; do out=`echo $line|cut -d”.” -f1`; ffmpeg -i “$line” -ab 192k -ar 44100 -y “$out.mp3”  -map_meta_data 0:0 ;done

overlay logo
ffmpeg -i IMG_0247.MOV -vf “movie=wm.png [logo]; [in][logo] overlay=10:10 [out]” -y out.mov


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