Merge pull request #2014 from gaelicWizard/plugin/gif
plugin/GIF: use `type -p` and lintpull/1958/head
Noah Gorny
GitHub
commit
af801cfadc
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@ -90,6 +90,7 @@ plugins/available/cmd-returned-notify.plugin.bash
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plugins/available/direnv.plugin.bash
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plugins/available/dirs.plugin.bash
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plugins/available/docker-machine.plugin.bash
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plugins/available/gif.plugin.bash
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plugins/available/git-subrepo.plugin.bash
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plugins/available/git.plugin.bash
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plugins/available/go.plugin.bash
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@ -1,4 +1,4 @@
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cite about-plugin
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# shellcheck shell=bash
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about-plugin 'video to gif, gif to WebM helper functions'
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# Based loosely on:
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@ -12,7 +12,7 @@ about-plugin 'video to gif, gif to WebM helper functions'
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# Optional: if lossy is not important, Ubuntu has gifsicle packaged for apt-get, instead of giflossy
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# Optional: gifski (from `brew install gifski` or github.com/ImageOptim/gifski)
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# for high quality huge files.
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function v2gif {
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function v2gif() {
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about 'Converts a .mov/.avi/.mp4 file into an into an animated GIF.'
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group 'gif'
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param '1: MOV/AVI/MP4 file name(s)'
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@ -30,25 +30,44 @@ function v2gif {
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example '$ v2gif -dh *.avi'
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example '$ v2gif -thw 600 *.avi *.mov'
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local convert=$(which convert) ; [[ -x "$convert" ]] || { echo "No convert found!" ; return 2 ;}
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local ffmpeg=$(which ffmpeg) ; [[ -x "$ffmpeg" ]] || { echo "No ffmpeg found!" ; return 2 ;}
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local mediainfo=$(which mediainfo) ; [[ -x "$mediainfo" ]] || { echo "No mediainfo found!" ; return 2 ;}
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local gifsicle=$(which gifsicle) ; [[ -x "$gifsicle" ]] || { echo "No gifsicle found!" ; return 2 ;}
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local getopt=$(which getopt)
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local convert ffmpeg mediainfo gifsicle getopt args gifski out_size
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convert="$(type -p convert)"
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[[ -x "$convert" ]] || {
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echo "No convert found!"
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return 2
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}
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ffmpeg="$(type -p ffmpeg)"
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[[ -x "$ffmpeg" ]] || {
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echo "No ffmpeg found!"
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return 2
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}
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mediainfo="$(type -p mediainfo)"
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[[ -x "$mediainfo" ]] || {
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echo "No mediainfo found!"
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return 2
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}
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gifsicle="$(type -p gifsicle)"
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[[ -x "$gifsicle" ]] || {
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echo "No gifsicle found!"
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return 2
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}
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getopt="$(type -p getopt)"
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if [[ "$OSTYPE" == "darwin"* ]]; then
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# Getopt on BSD is incompatible with GNU
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getopt=/usr/local/opt/gnu-getopt/bin/getopt
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[[ -x "$getopt" ]] || { echo "No GNU-getopt found!" ; return 2 ;}
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[[ -x "$getopt" ]] || {
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echo "No GNU-getopt found!"
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return 2
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}
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fi
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# Parse the options
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local args=$($getopt -l "alert:" -l "lossy:" -l "width:" -l del,delete -l high -l tag -l "fps:" -l webm -o "a:l:w:f:dhmt" -- "$@")
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if [ $? -ne 0 ]; then
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args=$("$getopt" -l "alert:" -l "lossy:" -l "width:" -l del,delete -l high -l tag -l "fps:" -l webm -o "a:l:w:f:dhmt" -- "$@") || {
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echo 'Terminating...' >&2
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return 2
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fi
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}
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eval set -- "$args"
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local use_gifski=""
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@ -63,7 +82,7 @@ function v2gif {
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local fps=""
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local make_webm=""
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local alert=5000
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while [ $# -ge 1 ]; do
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while [[ $# -ge 1 ]]; do
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case "$1" in
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--)
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# No more options left.
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@ -77,7 +96,11 @@ function v2gif {
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;;
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-h | --high)
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#High Quality, use gifski
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local gifski=$(which gifski) ; [[ -x "$gifski" ]] || { echo "No gifski found!" ; return 2 ; }
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gifski="$(type -p gifski)"
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[[ -x "$gifski" ]] || {
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echo "No gifski found!"
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return 2
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}
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use_gifski=true
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giftag="${giftag}-h"
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shift
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@ -140,18 +163,18 @@ function v2gif {
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local output_file="${file%.*}${giftag}.gif"
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local del_after=$opt_del_after
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if [[ "$make_webm" ]] ; then
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if [[ -n "$make_webm" ]]; then
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$ffmpeg -loglevel panic -i "$file" \
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-c:v libvpx -crf 4 -threads 0 -an -b:v 2M -auto-alt-ref 0 \
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-quality best -loop 0 "${file%.*}.webm" || return 2
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fi
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# Set FPS to match the video if possible, otherwise fallback to default.
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if [[ "$infps" ]] ; then
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if [[ -n "$infps" ]]; then
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fps=$infps
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else
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fps=$defaultfps
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if [[ -x $mediainfo ]] ; then
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if [[ -x "$mediainfo" ]]; then
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fps=$($mediainfo "$file" | grep "Frame rate " | sed 's/.*: \([0-9.]\+\) .*/\1/' | head -1)
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[[ -z "$fps" ]] && fps=$($mediainfo "$file" | grep "Minimum frame rate" | sed 's/.*: \([0-9.]\+\) .*/\1/' | head -1)
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fi
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@ -161,19 +184,19 @@ function v2gif {
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if [[ "$use_gifski" = "true" ]]; then
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# I trust @pornel to do his own resizing optimization choices
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$ffmpeg -loglevel panic -i "$file" -r $fps -vcodec png v2gif-tmp-%05d.png && \
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$gifski v2gif-tmp-*.png $maxwidthski --fps $(printf "%.0f" $fps) -o "$output_file" || return 2
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$ffmpeg -loglevel panic -i "$file" -r "$fps" -vcodec png v2gif-tmp-%05d.png \
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&& $gifski v2gif-tmp-*.png "$maxwidthski" --fps "$(printf "%.0f" "$fps")" -o "$output_file" || return 2
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else
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$ffmpeg -loglevel panic -i "$file" $maxsize -r $fps -vcodec png v2gif-tmp-%05d.png && \
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$convert +dither -layers Optimize v2gif-tmp-*.png GIF:- | \
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$gifsicle $lossiness --no-warnings --colors 256 --delay=$(echo "100/$fps"|bc) --loop --optimize=3 --multifile - > "$output_file" || return 2
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$ffmpeg -loglevel panic -i "$file" "$maxsize" -r "$fps" -vcodec png v2gif-tmp-%05d.png \
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&& $convert +dither -layers Optimize v2gif-tmp-*.png GIF:- \
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| $gifsicle "$lossiness" --no-warnings --colors 256 --delay="$(echo "100/$fps" | bc)" --loop --optimize=3 --multifile - > "$output_file" || return 2
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fi
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rm v2gif-tmp-*.png
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# Checking if the file is bigger than Twitter likes and warn
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if [[ $alert -gt 0 ]]; then
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local out_size=$(wc --bytes < "$output_file")
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out_size=$(wc --bytes < "$output_file")
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if [[ $out_size -gt $((alert * 1000)) ]]; then
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echo "$(tput setaf 3)Warning: '$output_file' is $((out_size / 1000))kb.$(tput sgr 0)"
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[[ "$del_after" == "true" ]] && echo "$(tput setaf 3)Warning: Keeping '$file' even though --del requested.$(tput sgr 0)"
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@ -201,13 +224,13 @@ function any2webm() {
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example '$ any2webm foo.gif'
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example '$ any2webm *.mov -b 1.5M -s 600x480'
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# Parse the options
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local args=$(getopt -l alert -l "bandwidth:" -l "width:" -l del,delete -l tag -l "fps:" -l webm -o "a:b:w:f:dt" -- "$@")
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local args out_size
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if [ $? -ne 0 ]; then
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# Parse the options
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args=$(getopt -l alert -l "bandwidth:" -l "width:" -l del,delete -l tag -l "fps:" -l webm -o "a:b:w:f:dt" -- "$@") || {
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echo 'Terminating...' >&2
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return 2
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fi
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}
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eval set -- "$args"
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local opt_del_after=""
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@ -218,7 +241,7 @@ function any2webm() {
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local fps=""
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local bandwidth="2M"
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local alert=5000
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while [ $# -ge 1 ]; do
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while [[ $# -ge 1 ]]; do
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case "$1" in
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--)
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# No more options left.
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@ -277,12 +300,12 @@ function any2webm() {
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echo "$(tput setaf 2)Creating '$output_file' ...$(tput sgr 0)"
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$ffmpeg -loglevel panic -i "$file" \
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-c:v libvpx -crf 4 -threads 0 -an -b:v $bandwidth -auto-alt-ref 0 \
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-quality best $fps $size -loop 0 -pix_fmt yuva420p "$output_file" || return 2
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-c:v libvpx -crf 4 -threads 0 -an -b:v "$bandwidth" -auto-alt-ref 0 \
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-quality best "$fps" "$size" -loop 0 -pix_fmt yuva420p "$output_file" || return 2
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# Checking if the file is bigger than Twitter likes and warn
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if [[ $alert -gt 0 ]]; then
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local out_size=$(wc --bytes < "$output_file")
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out_size=$(wc --bytes < "$output_file")
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if [[ $out_size -gt $((alert * 1000)) ]]; then
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echo "$(tput setaf 3)Warning: '$output_file' is $((out_size / 1000))kb.$(tput sgr 0)"
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[[ "$del_after" == "true" ]] && echo "$(tput setaf 3)Warning: Keeping '$file' even though --del requested.$(tput sgr 0)"
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