christoph/flake-nixinator
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Config/Navi: Update ffmpeg cheats

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Christoph Urlacher
2026-04-27 23:45:06 +02:00
parent 0e86ca0371
commit c7098e2208
1 changed files with 11 additions and 5 deletions
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config/navi/christoph.cheat
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@ -308,27 +308,33 @@ mkdir -p "<name>" && cd "<name>" && spotdl --client-id (cat /home/christoph/.sec
% ffmpeg
# Create a slow motion version of a video with interpolated/blended frames
ffmpeg -i "<input>" -filter:v "minterpolate='mi_mode=mci:mc_mode=aobmc:vsbmc=1:fps=<doublefps>',setpts=2*PTS" output.mp4
ffmpeg -i <input> -filter:v "minterpolate='mi_mode=mci:mc_mode=aobmc:vsbmc=1:fps=<doublefps>',setpts=2*PTS" output.mp4
$ input: eza -f -1
% ffmpeg
# Detect black bar dimensions automatically by looking at the first 10 frames
ffmpeg -i "<input>" -vframes 10 -vf cropdetect -f null -
ffmpeg -i <input> -vframes 10 -vf cropdetect -f null -
$ input: eza -f -1
% ffmpeg
# Preview video with applied crop settings
ffplay -vf crop=<width>:<height>:<x>:<y> "<input>"
ffplay -vf crop=<width>:<height>:<x>:<y> <input>
$ input: eza -f -1
% ffmpeg
# Re-encode the video with applied crop settings
ffmpeg -i "<input>" -vf crop=<width>:<height>:<x>:<y> -c:a copy output.mp4
ffmpeg -i <input> -vf crop=<width>:<height>:<x>:<y> -c:a copy output.mp4
$ input: eza -f -1
% ffmpeg
# Reencode and compress the video using the h265 codec
ffmpeg -i "<input>" -vcodec libx265 -crf <quality> "out_<input>"
ffmpeg -i <input> -vcodec libx265 -crf <quality> out_<input>
$ input: eza -f -1
$ quality: echo -e "24\n25\n26\n27\n28\n29\n30\n"
% ffmpeg
# Reencode, compress and scale the video using the h265 codec
ffmpeg -i <input> -vcodec libx265 -crf <quality> -vf scale=<width>:-2,setsar=1:1 out_<input>
$ input: eza -f -1
$ quality: echo -e "24\n25\n26\n27\n28\n29\n30\n"