[HN Gopher] Ffmpeg from Zero to Hero [Book]
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       Ffmpeg from Zero to Hero [Book]
        
       Author : wilsonfiifi
       Score  : 44 points
       Date   : 2021-03-06 21:32 UTC (1 hours ago)
        
 (HTM) web link (ffmpegfromzerotohero.com)
 (TXT) w3m dump (ffmpegfromzerotohero.com)
        
       | Confiks wrote:
       | Might have come in handy while I was struggling to type out
       | ffmpeg -i part0.mp4 -i part1.mp4 -filter_complex "[1:v]scale=1280
       | :720:force_original_aspect_ratio=decrease,pad=1280:720:(ow-
       | iw)/2:(oh-ih)/2[v1]; [0:v] [0:a] [v1] [1:a] concat=n=2:v=1:a=1
       | [v] [a]" -map "[v]" -map "[a]" out.mp4
       | 
       | to concatenate two videos with different sizes today.
       | 
       | My relation with it is almost identical to my relation with any
       | bash scripting more than a one-liner: I have to relearn it every
       | time I want to engage with it.
        
       | abnry wrote:
       | I feel like someone should teach a course on how to use the
       | grouping of command line applications: convert (image magick),
       | pdftk, pandoc, and ffmpeg.
       | 
       | Lots of power to be had in mastering them.
        
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       (page generated 2021-03-06 23:00 UTC)