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Added dithering to the gif making script

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jorge
2026-03-06 11:06:24 -08:00
parent 24a8551fbc
commit ae6f4e5ece
1 changed files with 5 additions and 2 deletions
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bash/make_gif.sh
+5 -2
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@@ -1,3 +1,4 @@
#requires ffmpeg
while getopts "s:b:r:" opt; do
case ${opt} in
s )
@@ -40,14 +41,16 @@ then
d=$(ffprobe -v error -select_streams v:0 -show_entries stream=duration -of default=noprint_wrappers=1:nokey=1 "$i");
w=$(ffprobe -v error -select_streams v:0 -show_entries stream=width -of default=noprint_wrappers=1:nokey=1 "$i");
h=$(ffprobe -v error -select_streams v:0 -show_entries stream=height -of default=noprint_wrappers=1:nokey=1 "$i");
ffmpeg -i "$i" -filter_complex "[0:v] fps=$fps [refpsd]; gradients=size="$w"x"$h":d=$d:c0=$color:c1=$color [box]; [refpsd] split [a][b];[a] palettegen [p];[box][b] overlay [overlayed];[overlayed][p] paletteuse" -q 0 -strict -2 -vb $vb -y ${i%.*}.gif ;
#ffmpeg -i "$i" -filter_complex "[0:v] fps=$fps [refpsd]; gradients=size="$w"x"$h":d=$d:c0=$color:c1=$color [box]; [refpsd] split [a][b];[a] palettegen [p];[box][b] overlay [overlayed];[overlayed][p] paletteuse" -q 0 -strict -2 -vb $vb -y ${i%.*}.gif ;
ffmpeg -i "$i" -filter_complex "[0:v] fps=$fps [refpsd]; gradients=size="$w"x"$h":d=$d:c0=$color:c1=$color [box]; [refpsd] split [a][b];[a] palettegen=stats_mode=diff [p];[box][b] overlay [overlayed];[overlayed][p] paletteuse=dither=bayer:bayer_scale=2" -q 0 -strict -2 -vb $vb -y ${i%.*}.gif ;
done;
else
for i;
do
echo $size
d=$(ffprobe -v error -select_streams v:0 -show_entries stream=duration -of default=noprint_wrappers=1:nokey=1 "$i");
ffmpeg -i "$i" -filter_complex "[0:v] scale=$sizealt,fps=$fps [scaled]; gradients=size=$size:d=$d:c0=$color:c1=$color [box],[box][scaled] overlay [overlayed],[overlayed] split [i1][i2];[i1] palettegen [palette];[i2][palette] paletteuse" -q 0 -strict -2 -vb $vb -y ${i%.*}_$size.gif ;
#ffmpeg -i "$i" -filter_complex "[0:v] scale=$sizealt,fps=$fps [scaled]; gradients=size=$size:d=$d:c0=$color:c1=$color [box],[box][scaled] overlay [overlayed],[overlayed] split [i1][i2];[i1] palettegen [palette];[i2][palette] paletteuse" -q 0 -strict -2 -vb $vb -y ${i%.*}_$size.gif ;
ffmpeg -i "$i" -filter_complex "[0:v] scale=$sizealt,fps=$fps [scaled]; gradients=size=$size:d=$d:c0=$color:c1=$color [box],[box][scaled] overlay [overlayed],[overlayed] split [i1][i2];[i1] palettegen=stats_mode=diff [palette];[i2][palette] paletteuse=dither=bayer:bayer_scale=2" -q 0 -strict -2 -vb $vb -y ${i%.*}_$size.gif ;
done;
fi