Alex A. Naanou c138a278e2 better defaults generation...
Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
2024-07-21 15:26:04 +03:00

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#!/usr/bin/env bash
# XXX add help...
# XXX add better options...
FPS=${FPS:-8}
if [ $1 == "-r" ] ; then
FPS=$2
shift 2
fi
PATTERN=${PATTERN:-'*.jpg'}
# generate name...
LST=($PATTERN)
A=${LST[0]}
A=${A%.jpg}
B=${LST[$(( ${#LST[@]} - 1 ))]}
B=${B%.jpg}
NAME=${NAME:-${A}-${B}}
PALETTE=${PALETTE:-.palette.png}
# generate...
{
set -o noglob
# gif palette...
ffmpeg \
-pattern_type glob \
-i $PATTERN \
-vf palettegen \
"$PALETTE"
# gif...
ffmpeg \
-r $FPS \
-pattern_type glob \
-i $PATTERN \
-i "$PALETTE" \
-filter_complex paletteuse=dither=none \
"${NAME}".gif
# mkv...
ffmpeg \
-r $FPS \
-pattern_type glob \
-i $PATTERN \
"${NAME}".mkv
#set +o noglob
}