scripts manipulation image identify set dpi encodage gif

 Encodage de gif à partir d'une vidéo

gifenc.sh

#!/bin/sh

#start_time="00:00:20.117"
#duration="00:00:06.959"
start_time="00:00:58.952"
duration="00:00:06.760"

palette="/tmp/palette.png"

#filters="fps=15,scale=320:-1:flags=lanczos"
filters="fps=8,crop=in_w-314:in_h "


#~/bin/ffmpeg -v warning -i $1 -vf "$filters,palettegen" -y $palette
#~/bin/ffmpeg -v warning -i $1 -i $palette -filter_complex "$filters[x];[x][1:v] paletteuse" -y $2

~/bin/ffmpeg -v warning -ss $start_time -t $duration -i $1 -vf "$filters,palettegen" -y $palette
#~/bin/ffmpeg -v warning -ss $start_time -t $duration -i $1 -i $palette -filter_complex "$filters,paletteuse" -y $2
~/bin/ffmpeg -v warning -ss $start_time -t $duration -i $1 -i $palette -lavfi "$filters,paletteuse" -y $2

image_dpi_sh

#!/bin/bash

identify -units PixelsPerInch -format "%w w x %h h  %x dpi x %y dpi" "$1"
echo 

Effacer les metadata

metadata_clear.sh 

 #!/bin/bash

/usr/bin/exiftool -all= "$1"