I have 20 music videos in one folder and I want to change the quality from 1080p to 720p with ffmpeg, because I'm tired of having to convert every single file.
So I want to ask for a solution how to convert a complete folder 1 to 720p quality with destination folder 2?
I previously used this ffmpeg script

ffmpeg -i video1.mp4 -vf scale = 1280:720 -acodec aac -strict -2 output1.mp4
ffmpeg -i video2.mp4 -vf scale = 1280:720 -acodec aac -strict -2 output2.mp4
ffmpeg -i video3.mp4 -vf scale = 1280:720 -acodec aac -strict -2 output3.mp4

up to 20 times

I use ffmpeg on ubuntu 16.04


Let me restate your problem. You wish to:

  1. process all the files named video?.mp4
  2. generate an output filename output?.mp4
  3. process the input file to the output file. for i in video?.mp4 ; do outfile="output${i##video}" ffmpeg -i "$i" -vf scale=1280:720 -acodec aac -strict -2 "$outfile" done

Read man bash


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