mirror of
https://github.com/flynx/ImageGrid.git
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99 lines
1.5 KiB
Bash
Executable File
99 lines
1.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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#shopt -s extglob
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#shopt -s nullglob
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#shopt -s failglob
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DEBUG=${DEBUG:-$DRY_RUN}
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function @ () {
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echo "### $@"
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[ -z $DRY_RUN ] \
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&& "$@"
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}
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FPS=${FPS:-8}
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# XXX ffmpeg does not seem to support extglob...
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#PATTERN=${PATTERN:-'*.@(JPG|jpg|JPEG|jpeg|PNG|png)'}
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PATTERN=${PATTERN:-'*.jpeg'}
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while [[ $# != 0 ]] ; do
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case "$1" in
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-h|--help)
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echo "Usage: $(basename $0) [OPTIONS] [PATTERN]"
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echo
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echo "Options:"
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echo " -h --help - print this message and exit"
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echo " -r --rate FPS - set framerate (default: $FPS)"
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echo " -p --pattern PATTERN"
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echo " - image pattern to use (default: '$PATTERN')"
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echo
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echo "NOTE: option defaults can bbe overriden by coresponding env variables."
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echo
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exit
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;;
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-r|--rate)
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FPS="$2"
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shift 2
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continue
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;;
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-p|--pattern)
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PATTERN="$2"
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shift 2
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continue
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;;
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# trailing args...
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*)
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PATTERN="$1"
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shift
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continue
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;;
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esac
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done
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LST=($PATTERN)
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# generate name...
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A=${LST[0]}
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A=${A%.*}
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B=${LST[$(( ${#LST[@]} - 1 ))]}
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B=${B%.*}
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NAME=${NAME:-${A}-${B}}
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PALETTE=${PALETTE:-.palette.png}
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# generate...
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{
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set -o noglob
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# gif palette...
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@ ffmpeg \
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-pattern_type glob \
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-i $PATTERN \
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-vf palettegen \
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"$PALETTE"
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# gif...
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@ ffmpeg \
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-r $FPS \
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-pattern_type glob \
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-i $PATTERN \
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-i "$PALETTE" \
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-filter_complex paletteuse=dither=none \
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"${NAME}".gif
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# cleanup...
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@ rm "$PALETTE"
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# mkv...
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@ ffmpeg \
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-r $FPS \
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-pattern_type glob \
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-i $PATTERN \
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"${NAME}".mkv
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#set +o noglob
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}
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