15 lines
554 B
Bash
15 lines
554 B
Bash
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#!/bin/bash
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NAME=$1
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START=$2
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# If duration is unset, use the full length of the video
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if [[ $3 ]]; then
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END=$3
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else
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END=$(ffprobe -loglevel error -show_streams $NAME | grep duration\= | cut -f2 -d=)
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fi
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echo "Making a gif of $NAME from $START seconds to $END seconds"
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ffmpeg -y -ss $START -t $END -i $NAME -vf fps=24,scale=640:-1:flags=lanczos,palettegen temp_palette.png
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ffmpeg -i $NAME -i temp_palette.png -ss $START -t $END -pix_fmt rgb24 -filter_complex "fps=24,scale=640:-1:flags=lanczos[x];[x][1:v]paletteuse" $NAME.gif
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rm temp_palette.png
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