From d953121bbba1229330e7d7dad725e4c6dcacf333 Mon Sep 17 00:00:00 2001
From: katherine <shmibs@shmibbles.me>
Date: Sun, 19 Feb 2017 05:08:57 -0700
Subject: add gifsicle support to make-gif
also allow selecting specific subtitle tracks
---
.config/init/funcs/make-gif | 168 ++++++++++++++++++++++++++++++--------------
1 file changed, 117 insertions(+), 51 deletions(-)
(limited to '.config/init')
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
--
cgit v1.2.3