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Merge pull request #2014 from gaelicWizard/plugin/gif 

plugin/GIF: use `type -p` and lint
pull/1958/head
Noah Gorny 2022-01-09 01:10:43 +02:00 committed by GitHub
parent 46f343461c ce22710e00
commit af801cfadc
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 274 additions and 250 deletions
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1
clean_files.txt
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@ -90,6 +90,7 @@ plugins/available/cmd-returned-notify.plugin.bash
plugins/available/direnv.plugin.bash
plugins/available/dirs.plugin.bash
plugins/available/docker-machine.plugin.bash
plugins/available/gif.plugin.bash
plugins/available/git-subrepo.plugin.bash
plugins/available/git.plugin.bash
plugins/available/go.plugin.bash

137
plugins/available/gif.plugin.bash
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@ -1,4 +1,4 @@
cite about-plugin
# shellcheck shell=bash
about-plugin 'video to gif, gif to WebM helper functions'
# Based loosely on:
@ -12,7 +12,7 @@ about-plugin 'video to gif, gif to WebM helper functions'
# Optional: if lossy is not important, Ubuntu has gifsicle packaged for apt-get, instead of giflossy
# Optional: gifski (from `brew install gifski` or github.com/ImageOptim/gifski)
# for high quality huge files.
function v2gif {
function v2gif() {
about 'Converts a .mov/.avi/.mp4 file into an into an animated GIF.'
group 'gif'
param '1: MOV/AVI/MP4 file name(s)'
@ -30,25 +30,44 @@ function v2gif {
example '$ v2gif -dh *.avi'
example '$ v2gif -thw 600 *.avi *.mov'
local convert=$(which convert) ; [[ -x "$convert" ]] || { echo "No convert found!" ; return 2 ;}
local ffmpeg=$(which ffmpeg) ; [[ -x "$ffmpeg" ]] || { echo "No ffmpeg found!" ; return 2 ;}
local mediainfo=$(which mediainfo) ; [[ -x "$mediainfo" ]] || { echo "No mediainfo found!" ; return 2 ;}
local gifsicle=$(which gifsicle) ; [[ -x "$gifsicle" ]] || { echo "No gifsicle found!" ; return 2 ;}
local getopt=$(which getopt)
local convert ffmpeg mediainfo gifsicle getopt args gifski out_size
if [[ "$OSTYPE" == "darwin"* ]] ; then
convert="$(type -p convert)"
[[ -x "$convert" ]] || {
echo "No convert found!"
return 2
}
ffmpeg="$(type -p ffmpeg)"
[[ -x "$ffmpeg" ]] || {
echo "No ffmpeg found!"
return 2
}
mediainfo="$(type -p mediainfo)"
[[ -x "$mediainfo" ]] || {
echo "No mediainfo found!"
return 2
}
gifsicle="$(type -p gifsicle)"
[[ -x "$gifsicle" ]] || {
echo "No gifsicle found!"
return 2
}
getopt="$(type -p getopt)"
if [[ "$OSTYPE" == "darwin"* ]]; then
# Getopt on BSD is incompatible with GNU
getopt=/usr/local/opt/gnu-getopt/bin/getopt
[[ -x "$getopt" ]] || { echo "No GNU-getopt found!" ; return 2 ;}
[[ -x "$getopt" ]] || {
echo "No GNU-getopt found!"
return 2
}
fi
# Parse the options
local args=$($getopt -l "alert:" -l "lossy:" -l "width:" -l del,delete -l high -l tag -l "fps:" -l webm -o "a:l:w:f:dhmt" -- "$@")
if [ $? -ne 0 ]; then
args=$("$getopt" -l "alert:" -l "lossy:" -l "width:" -l del,delete -l high -l tag -l "fps:" -l webm -o "a:l:w:f:dhmt" -- "$@") || {
echo 'Terminating...' >&2
return 2
fi
}
eval set -- "$args"
local use_gifski=""
@ -63,54 +82,58 @@ function v2gif {
local fps=""
local make_webm=""
local alert=5000
while [ $# -ge 1 ]; do
while [[ $# -ge 1 ]]; do
case "$1" in
--)
# No more options left.
shift
break
;;
-d|--del|--delete)
-d | --del | --delete)
# Delete after
opt_del_after="true"
shift
;;
-h|--high)
-h | --high)
#High Quality, use gifski
local gifski=$(which gifski) ; [[ -x "$gifski" ]] || { echo "No gifski found!" ; return 2 ; }
gifski="$(type -p gifski)"
[[ -x "$gifski" ]] || {
echo "No gifski found!"
return 2
}
use_gifski=true
giftag="${giftag}-h"
shift
;;
-w|--width)
-w | --width)
maxsize="-vf scale=$2:-1"
maxwidthski="-W $2"
giftag="${giftag}-w$2"
shift 2
;;
-t|--tag)
-t | --tag)
# mark with a quality tag
giftagopt="true"
shift
;;
-l|--lossy)
-l | --lossy)
# Use giflossy parameter
lossiness="--lossy=$2"
giftag="${giftag}-l$2"
shift 2
;;
-f|--fps)
-f | --fps)
# select fps
infps="$2"
giftag="${giftag}-f$2"
shift 2
;;
-a|--alert)
-a | --alert)
# set size alert
alert="$2"
shift 2
;;
-m|--webm)
-m | --webm)
# set size alert
make_webm="true"
shift
@ -135,47 +158,47 @@ function v2gif {
[[ -z "$giftag" ]] && giftag="-default"
[[ -z "$giftagopt" ]] && giftag=""
for file ; do
for file; do
local output_file="${file%.*}${giftag}.gif"
local del_after=$opt_del_after
if [[ "$make_webm" ]] ; then
if [[ -n "$make_webm" ]]; then
$ffmpeg -loglevel panic -i "$file" \
-c:v libvpx -crf 4 -threads 0 -an -b:v 2M -auto-alt-ref 0 \
-quality best -loop 0 "${file%.*}.webm" || return 2
fi
# Set FPS to match the video if possible, otherwise fallback to default.
if [[ "$infps" ]] ; then
if [[ -n "$infps" ]]; then
fps=$infps
else
fps=$defaultfps
if [[ -x $mediainfo ]] ; then
fps=$($mediainfo "$file" | grep "Frame rate " |sed 's/.*: \([0-9.]\+\) .*/\1/' | head -1)
[[ -z "$fps" ]] && fps=$($mediainfo "$file" | grep "Minimum frame rate" |sed 's/.*: \([0-9.]\+\) .*/\1/' | head -1)
if [[ -x "$mediainfo" ]]; then
fps=$($mediainfo "$file" | grep "Frame rate " | sed 's/.*: \([0-9.]\+\) .*/\1/' | head -1)
[[ -z "$fps" ]] && fps=$($mediainfo "$file" | grep "Minimum frame rate" | sed 's/.*: \([0-9.]\+\) .*/\1/' | head -1)
fi
fi
echo "$(tput setaf 2)Creating '$output_file' at $fps FPS ...$(tput sgr 0)"
if [[ "$use_gifski" = "true" ]] ; then
if [[ "$use_gifski" = "true" ]]; then
# I trust @pornel to do his own resizing optimization choices
$ffmpeg -loglevel panic -i "$file" -r $fps -vcodec png v2gif-tmp-%05d.png && \
$gifski v2gif-tmp-*.png $maxwidthski --fps $(printf "%.0f" $fps) -o "$output_file" || return 2
$ffmpeg -loglevel panic -i "$file" -r "$fps" -vcodec png v2gif-tmp-%05d.png \
&& $gifski v2gif-tmp-*.png "$maxwidthski" --fps "$(printf "%.0f" "$fps")" -o "$output_file" || return 2
else
$ffmpeg -loglevel panic -i "$file" $maxsize -r $fps -vcodec png v2gif-tmp-%05d.png && \
$convert +dither -layers Optimize v2gif-tmp-*.png GIF:- | \
$gifsicle $lossiness --no-warnings --colors 256 --delay=$(echo "100/$fps"|bc) --loop --optimize=3 --multifile - > "$output_file" || return 2
$ffmpeg -loglevel panic -i "$file" "$maxsize" -r "$fps" -vcodec png v2gif-tmp-%05d.png \
&& $convert +dither -layers Optimize v2gif-tmp-*.png GIF:- \
| $gifsicle "$lossiness" --no-warnings --colors 256 --delay="$(echo "100/$fps" | bc)" --loop --optimize=3 --multifile - > "$output_file" || return 2
fi
rm v2gif-tmp-*.png
# Checking if the file is bigger than Twitter likes and warn
if [[ $alert -gt 0 ]] ; then
local out_size=$(wc --bytes < "$output_file")
if [[ $out_size -gt $(( alert * 1000 )) ]] ; then
echo "$(tput setaf 3)Warning: '$output_file' is $((out_size/1000))kb.$(tput sgr 0)"
if [[ $alert -gt 0 ]]; then
out_size=$(wc --bytes < "$output_file")
if [[ $out_size -gt $((alert * 1000)) ]]; then
echo "$(tput setaf 3)Warning: '$output_file' is $((out_size / 1000))kb.$(tput sgr 0)"
[[ "$del_after" == "true" ]] && echo "$(tput setaf 3)Warning: Keeping '$file' even though --del requested.$(tput sgr 0)"
del_after=""
fi
@ -201,13 +224,13 @@ function any2webm() {
example '$ any2webm foo.gif'
example '$ any2webm *.mov -b 1.5M -s 600x480'
# Parse the options
local args=$(getopt -l alert -l "bandwidth:" -l "width:" -l del,delete -l tag -l "fps:" -l webm -o "a:b:w:f:dt" -- "$@")
local args out_size
if [ $? -ne 0 ]; then
# Parse the options
args=$(getopt -l alert -l "bandwidth:" -l "width:" -l del,delete -l tag -l "fps:" -l webm -o "a:b:w:f:dt" -- "$@") || {
echo 'Terminating...' >&2
return 2
fi
}
eval set -- "$args"
local opt_del_after=""
@ -218,41 +241,41 @@ function any2webm() {
local fps=""
local bandwidth="2M"
local alert=5000
while [ $# -ge 1 ]; do
while [[ $# -ge 1 ]]; do
case "$1" in
--)
# No more options left.
shift
break
;;
-d|--del|--delete)
-d | --del | --delete)
# Delete after
opt_del_after="true"
shift
;;
-s|--size)
-s | --size)
size="-s $2"
webmtag="${webmtag}-s$2"
shift 2
;;
-t|--tag)
-t | --tag)
# mark with a quality tag
webmtagopt="true"
shift
;;
-f|--fps)
-f | --fps)
# select fps
fps="-r $2"
webmtag="${webmtag}-f$2"
shift 2
;;
-b|--bandwidth)
-b | --bandwidth)
# select bandwidth
bandwidth="$2"
webmtag="${webmtag}-b$2"
shift 2
;;
-a|--alert)
-a | --alert)
# set size alert
alert="$2"
shift 2
@ -269,7 +292,7 @@ function any2webm() {
[[ -z "$webmtag" ]] && webmtag="-default"
[[ -z "$webmtagopt" ]] && webmtag=""
for file ; do
for file; do
local output_file="${file%.*}${webmtag}.webm"
local del_after=$opt_del_after
@ -277,14 +300,14 @@ function any2webm() {
echo "$(tput setaf 2)Creating '$output_file' ...$(tput sgr 0)"
$ffmpeg -loglevel panic -i "$file" \
-c:v libvpx -crf 4 -threads 0 -an -b:v $bandwidth -auto-alt-ref 0 \
-quality best $fps $size -loop 0 -pix_fmt yuva420p "$output_file" || return 2
-c:v libvpx -crf 4 -threads 0 -an -b:v "$bandwidth" -auto-alt-ref 0 \
-quality best "$fps" "$size" -loop 0 -pix_fmt yuva420p "$output_file" || return 2
# Checking if the file is bigger than Twitter likes and warn
if [[ $alert -gt 0 ]] ; then
local out_size=$(wc --bytes < "$output_file")
if [[ $out_size -gt $(( alert * 1000 )) ]] ; then
echo "$(tput setaf 3)Warning: '$output_file' is $((out_size/1000))kb.$(tput sgr 0)"
if [[ $alert -gt 0 ]]; then
out_size=$(wc --bytes < "$output_file")
if [[ $out_size -gt $((alert * 1000)) ]]; then
echo "$(tput setaf 3)Warning: '$output_file' is $((out_size / 1000))kb.$(tput sgr 0)"
[[ "$del_after" == "true" ]] && echo "$(tput setaf 3)Warning: Keeping '$file' even though --del requested.$(tput sgr 0)"
del_after=""
fi