diff options
Diffstat (limited to '.config/init')
| -rwxr-xr-x | .config/init/funcs/make-gif | 168 |
1 files changed, 117 insertions, 51 deletions
diff --git a/.config/init/funcs/make-gif b/.config/init/funcs/make-gif index 7b3145c..3221e97 100755 --- a/.config/init/funcs/make-gif +++ b/.config/init/funcs/make-gif @@ -2,18 +2,21 @@ # export a clip from a video as a gif local callstr="$0" +local hasgsic=$(whence gifsicle) usage() { [[ "$1" != "" ]] && echo -e "\e[1;31merror:\e[0m $1\n" echo "Usage: $callstr [OPTIONS...] <infile> <outfile>" echo "" - echo "description option default val" - echo "start time -s <time> 00:00:00" - echo "length in seconds -t <int> full length" - echo "gif fps -f <int> 10" - echo "gif pixel width -w <int> 480" - echo "use subtitles -b" - echo "print this help -h" + echo " description option default val" + echo " start time -s <time> 00:00:00" + echo " length in seconds -t <int> full length" + echo " gif fps -f <int> 10" + echo " gif pixel width -w <int> 480" + echo " use subtitles -b" + echo " use subtitle track -n <int> 0" + [[ $hasgsic ]] && echo "optimise with gifsicle -g" + echo " print this help -h" exit 1 } @@ -22,40 +25,86 @@ local length="" local fps=10 local width=480 local subs="" +local strack=0 +local gsic="" local timepat='^(([0-9][0-9]:){1,2}[0-9][0-9]|[0-9]+)$' -local intpat='^[0-9][0-9]*$' +local intpat='^[0-9]+$' +# tmp var used to old '-t' if length is used local t="" -while getopts s:t:f:w:bh opt; do - case "$opt" in - s) - [[ ! $(echo $OPTARG | grep -oE "$timepat") ]] \ - && usage "malformed start timestamp" - start="$OPTARG" - ;; - t) - [[ ! $(echo $OPTARG | grep -oE "$intpat") ]] \ - && usage "length must be an integer" - length=$OPTARG - t="-t" - ;; - f) - [[ ! $(echo $OPTARG | grep -oE "$intpat") ]] \ - && usage "start time must be an integer" - fps=$OPTARG - ;; - w) - [[ ! $(echo $OPTARG | grep -oE "$intpat") ]] \ - && usage "fps must be an integer" - width=$OPTARG - ;; - b) subs=true ;; - h) usage ;; - [?]) usage ;; - esac -done +# really annoying, but no other good way to do this +if [[ $hasgsic ]]; then + while getopts s:t:f:w:bhn:g opt; do + case "$opt" in + s) + [[ ! $(echo $OPTARG | grep -oE "$timepat") ]] \ + && usage "malformed start timestamp" + start="$OPTARG" + ;; + t) + [[ ! $(echo $OPTARG | grep -oE "$intpat") ]] \ + && usage "length must be an integer" + length=$OPTARG + t="-t" + ;; + f) + [[ ! $(echo $OPTARG | grep -oE "$intpat") ]] \ + && usage "start time must be an integer" + fps=$OPTARG + ;; + w) + [[ ! $(echo $OPTARG | grep -oE "$intpat") ]] \ + && usage "fps must be an integer" + width=$OPTARG + ;; + b) subs=true ;; + n) + [[ ! $(echo $OPTARG | grep -oE "$intpat") ]] \ + && usage "sub track specifier must be an integer" + strack=$OPTARG + ;; + g) gsic=true ;; + h) usage ;; + [?]) usage ;; + esac + done +else + while getopts s:t:f:w:bhn: opt; do + case "$opt" in + s) + [[ ! $(echo $OPTARG | grep -oE "$timepat") ]] \ + && usage "malformed start timestamp" + start="$OPTARG" + ;; + t) + [[ ! $(echo $OPTARG | grep -oE "$intpat") ]] \ + && usage "length must be an integer" + length=$OPTARG + t="-t" + ;; + f) + [[ ! $(echo $OPTARG | grep -oE "$intpat") ]] \ + && usage "start time must be an integer" + fps=$OPTARG + ;; + w) + [[ ! $(echo $OPTARG | grep -oE "$intpat") ]] \ + && usage "fps must be an integer" + width=$OPTARG + ;; + b) subs=true ;; + n) + [[ ! $(echo $OPTARG | grep -oE "$intpat") ]] \ + && usage "sub track specifier must be an integer" + strack=$OPTARG + ;; + h) usage ;; + [?]) usage ;; + esac + done +fi shift $OPTIND-1 [[ ${#@} -gt 2 ]] && usage "trailing arguments detected" @@ -66,32 +115,49 @@ shift $OPTIND-1 [[ ! -f "$1" ]] && usage "input file not found" +local paltmp="make-gif" +while [[ -f "${paltmp}-palette.png" ]] || [[ -f "${paltmp}-in" ]]; do + paltmp="${paltmp}-1" +done -rm -f make-gif-palette.png -rm -f make-gif-in +ln -s "$1" "${paltmp}-in" -ln -s "$1" make-gif-in +local fferr if [[ $subs ]]; then echo "pass 1..." ffmpeg -loglevel 16 -y -ss $start $t $length -i "$1" -copyts \ - -vf "subtitles=make-gif-in,fps=$fps,scale=$width:-1:flags=lanczos,palettegen" \ - make-gif-palette.png - [[ $? -eq 0 ]] && echo "pass 2..." && ffmpeg -loglevel 24 \ - -ss $start $t $length -i "$1" -i make-gif-palette.png \ + -vf "subtitles=${paltmp}-in:si=$strack,fps=$fps,scale=$width:-1:flags=lanczos,palettegen" \ + ${paltmp}-palette.png + [[ $? -ne 0 ]] && fferr=true + [[ ! $fferr ]] && echo "pass 2..." && ffmpeg -loglevel 24 \ + -ss $start $t $length -i "$1" -i ${paltmp}-palette.png \ -copyts -filter_complex \ - "subtitles=make-gif-in,fps=$fps,scale=$width:-1:flags=lanczos[x];[x][1:v]paletteuse" \ - out.gif + "subtitles=${paltmp}-in:si=$strack,fps=$fps,scale=$width:-1:flags=lanczos[x];[x][1:v]paletteuse" \ + "$2" else echo "pass 1..." ffmpeg -loglevel 16 -y -ss "$start" $t $length -i "$1" \ -vf "fps=$fps,scale=$width:-1:flags=lanczos,palettegen" \ - make-gif-palette.png - [[ $? -eq 0 ]] && echo "pass 2..." && ffmpeg -loglevel 24 \ - -ss $start $t $length -i "$1" -i make-gif-palette.png -filter_complex \ + ${paltmp}-palette.png + [[ $? -ne 0 ]] && fferr=true + [[ ! $fferr ]] && echo "pass 2..." && ffmpeg -loglevel 24 \ + -ss $start $t $length -i "$1" -i ${paltmp}-palette.png -filter_complex \ "fps=$fps,scale=$width:-1:flags=lanczos[x];[x][1:v]paletteuse" \ - out.gif + "$2" fi -rm -f make-gif-palette.png -rm -f make-gif-in +rm -f ${paltmp}-palette.png +rm -f ${paltmp}-in + +if [[ -f "$2" ]] && [[ ! $fferr ]]; then + if [[ $gsic ]]; then + local gsictmp="$2.out" + while [[ -f "$gsictmp" ]]; do + gsictmp="$gsictmp.out" + done + echo "optimising..." + gifsicle -O3 -i "$2" -o "$gsictmp" + [[ $? -eq 0 ]] && rm -f "$2" && mv "$gsictmp" "$2" + fi +fi |