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|
#!/usr/bin/env bash
#/***********************************************************************
# Freeciv - Copyright (C) 2010-2025
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
#***********************************************************************/
# Convert map images to animations
#
# Requirements:
# - convert (from ImageMagick)
# - ffmpeg (for avi and flv)
# Default values
animation="gif"
civgame="freeciv"
mapstr=""
mapext="gif"
loop=1
scriptname=$0
basename=`basename ${scriptname}`
# Check for required tools (convert)
have_convert=TRUE
prog_convert=`command -v convert`
RES=$?
if [ $RES -ne 0 ]; then
# Without this tool nothing can be done
echo "ERROR: The required program 'convert' from ImageMagick is missing."
exit 1
fi
# Check for required tools (ffmpeg)
have_ffmpeg=TRUE
command -v ffmpeg > /dev/null
RES=$?
if [ $RES -ne 0 ]; then
have_ffmpeg=FALSE
fi
# Print usage
function usage()
{
echo ""
echo "USAGE:"
echo " ${basename} -h [-c <civgame>] [-l <nr>] -m <mapstr> [-e <mapext>] [-a <gif|mpg]|avi|flv|ALL>]"
echo ""
echo "OPTIONS:"
echo " -a animation format (default: gif)"
echo " -c basename for the save files (default: freeciv)"
echo " -e map image extension (default: gif)"
echo " -h this help"
echo " -l number of loops (only for the gif file; default: 1)"
echo " (FIXME: has no effect?)"
echo " -m map image definition string"
echo ""
echo "EXAMPLE:"
echo " ${basename} -m M-bcfktuZ2P000each -e png -a mpg"
echo ""
}
# ffmpeg is needed
function check_ffmpeg()
{
if [ "$have_ffmpeg" == "FALSE" ]; then
# ffmpeg is missing
echo "ERROR: The required program 'ffmpeg' is missing."
exit 1
fi
}
# Process arguments
while getopts "a:c:e:hl:m:" option
do
case $option in
h )
usage
exit 0
;;
c )
civgame=$OPTARG
;;
m )
mapstr=$OPTARG
;;
e )
mapext=$OPTARG
;;
a )
animation=$OPTARG
;;
l )
loop=$OPTARG
;;
* )
echo ""
echo "Unimplemented option chosen (${option})."
usage
exit 1
;;
esac
done
# File definitions
FILES="${civgame}-T*-Y*-${mapstr}.map.${mapext}"
# Check for files
CHECK=`ls ${FILES} 2> /dev/null | wc -l`
if [ $CHECK -eq 0 ]; then
echo "ERROR: no map images found ($FILES)"
usage
exit 1
fi
# Get first and last image
FILE_A=`ls $FILES | head -n 1`
FILE_Z=`ls $FILES | tail -n 1`
# Output file names
ANIM_GIF="${civgame}-${mapstr}.anim.gif"
ANIM_AVI="${civgame}-${mapstr}.anim.avi"
ANIM_FLV="${civgame}-${mapstr}.anim.flv"
ANIM_MPG="${civgame}-${mapstr}.anim.mpg"
# Main part
case $animation in
ALL )
${0} -c ${civgame} -m ${mapstr} -e ${mapext} -a gif
${0} -c ${civgame} -m ${mapstr} -e ${mapext} -a mpg
${0} -c ${civgame} -m ${mapstr} -e ${mapext} -a avi_from_mpg
${0} -c ${civgame} -m ${mapstr} -e ${mapext} -a flv_from_mpg
;;
gif )
echo -e "generating animated gif (${ANIM_GIF}) ..."
[ -e ${ANIM_GIF} ] && rm ${ANIM_GIF}
convert -delay 100 -loop ${loop} \
${FILES} ${FILE_Z} \
${ANIM_GIF}
;;
mpg )
echo -e "generating mpg file ($ANIM_MPG) ..."
[ -e ${ANIM_MPG} ] && rm ${ANIM_MPG}
convert -delay 5 -quality 100 \
${FILES} ${FILE_Z} \
${ANIM_MPG}
;;
avi )
echo -e "generating avi file ($ANIM_AVI) ..."
check_ffmpeg
# Need to first generate the mpg file
${0} -c ${civgame} -m ${mapstr} -e ${mapext} -a mpg
[ -e ${ANIM_AVI} ] && rm ${ANIM_AVI}
ffmpeg -i ${ANIM_MPG} -f avi ${ANIM_AVI}
echo $animation
;;
avi_from_mpg )
# This is an internal tag; it assumes that the mpg file exists
echo -e "generating avi file ($ANIM_AVI) ..."
check_ffmpeg
[ ! -e ${ANIM_MPG} ] && echo "ERROR: ${ANIM_MPG} missing ..." && exit 1
[ -e ${ANIM_AVI} ] && rm ${ANIM_AVI}
ffmpeg -i ${ANIM_MPG} -f avi ${ANIM_AVI}
echo $animation
;;
flv )
echo -e "generating flv file (${ANIM_FLV}) ..."
check_ffmpeg
# Need to first generate the mpg file
${0} -c ${civgame} -m ${mapstr} -e ${mapext} -a mpg
[ -e ${ANIM_FLV} ] && rm ${ANIM_FLV}
ffmpeg -i ${ANIM_MPG} -f flv ${ANIM_FLV}
;;
flv_from_mpg )
# This is an internal tag; it assumes that the mpg file exists
echo -e "generating flv file (${ANIM_FLV}) ..."
check_ffmpeg
[ ! -e ${ANIM_MPG} ] && echo "ERROR: ${ANIM_MPG} missing ..." && exit 1
[ -e ${ANIM_FLV} ] && rm ${ANIM_FLV}
ffmpeg -i ${ANIM_MPG} -f flv ${ANIM_FLV}
;;
* )
echo ""
echo "Unimplemented value for -a: '${animation}'"
usage
exit 1
;;
esac
|
