Merge pull request #1126 from seefood/ira-gifski
GIF plugin: Fix the FPS detection and add webm creation as a future-looking featurepull/1128/head
Nils Winkler
GitHub
commit
f48560bae0
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@ -1,7 +1,10 @@
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cite about-plugin
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about-plugin 'video to gif helper functions'
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about-plugin 'video to gif, gif to WebM helper functions'
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# From https://gist.github.com/SlexAxton/4989674#comment-1199058
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# Based loosely on:
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# https://gist.github.com/SlexAxton/4989674#comment-1199058
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# https://linustechtips.com/main/topic/343253-tutorial-convert-videogifs-to-webm/
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# and other sources
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# Renamed gifify to v2gif to go avoid clobbering https://github.com/jclem/gifify
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# Requirements (Mac OS X using Homebrew): brew install ffmpeg giflossy imagemagick
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# Requirements on Ubuntu: sudo apt install ffmpeg imagemagick ; plus install https://github.com/pornel/giflossy
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@ -20,6 +23,7 @@ function v2gif {
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param '6: -t ; Optional: Tag the result with quality stamp for comparison use'
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param '7: -f <num> ; Optional: Change number of frames per second (default 10 or original FPS if mediainfo installed)'
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param '8: -a <num> ; Optional: Alert if resulting file is over <num> kilobytes (default is 5000, 0 turns off)'
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param '9: -m ; Optional: Also create a WebM file (will one day replace GIF, Smaller and higher quality than mp4)'
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example '$ v2gif foo.mov'
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example '$ v2gif foo.mov -w 600'
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example '$ v2gif -l 100 -d *.mp4'
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@ -27,7 +31,7 @@ function v2gif {
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example '$ v2gif -thw 600 *.avi *.mov'
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# Parse the options
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local args=$(getopt -l "alert:" -l "lossy:" -l "width:" -l del,delete -l high -l tag -l "fps:" -o "a:l:w:f:dht" -- "$@")
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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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local use_gifski=""
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local del_after=""
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@ -39,6 +43,7 @@ function v2gif {
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local defaultfps=10
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local infps=""
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local fps=""
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local make_webm=""
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local alert=5000
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eval set -- "$args"
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while [ $# -ge 1 ]; do
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@ -87,6 +92,11 @@ function v2gif {
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alert="$2"
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shift 2
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;;
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-m|--webm)
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# set size alert
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make_webm="true"
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shift
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;;
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esac
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done
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@ -106,17 +116,20 @@ function v2gif {
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local output_file="${file%.*}${giftag}.gif"
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if [[ "$make_webm" ]] ; then
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ffmpeg -loglevel panic -i "$file" \
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-c:v libvpx -crf 4 -threads 0 -an -b:v 2M -auto-alt-ref 0 -quality best \
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"${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 [[ "$infps" ]] ; then
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fps=$infps
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else
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fps=$defaultfps
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if [[ -x /usr/bin/mediainfo ]] ; then
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if /usr/bin/mediainfo "$file" | grep -q "Frame rate mode *: Variable" ; then
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fps=$(/usr/bin/mediainfo "$file" | grep "Minimum frame rate" |sed 's/.*: \([0-9.]\+\) .*/\1/' | head -1)
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else
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fps=$(/usr/bin/mediainfo "$file" | grep "Frame rate " |sed 's/.*: \([0-9.]\+\) .*/\1/' | head -1)
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fi
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[[ -z "$fps" ]] && fps=$(/usr/bin/mediainfo "$file" | grep "Minimum frame rate" |sed 's/.*: \([0-9.]\+\) .*/\1/' | head -1)
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fi
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fi
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@ -149,3 +162,108 @@ function v2gif {
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echo "$(tput setaf 2)Done.$(tput sgr 0)"
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}
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function any2webm() {
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about 'Converts an movies and Animated GIF files into an into a modern quality WebM video.'
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group 'gif'
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param '1: GIF/video file name(s)'
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param '2: -s <WxH> ; Optional: set <W>idth and <H>eight in pixels'
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param '3: -d ; Optional: delete the original file if succeeded'
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param '4: -t ; Optional: Tag the result with quality stamp for comparison use'
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param '5: -f <num> ; Optional: Change number of frames per second'
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param '6: -b <num> ; Optional: Set Bandwidth (quality/size of resulting file), Defaults to 2M (bits/sec, accepts fractions)"'
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param '7: -a <num> ; Optional: Alert if resulting file is over <num> kilobytes (default is 5000, 0 turns off)'
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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 del_after=""
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local size=""
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local webmtagopt=""
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local webmtag=""
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local defaultfps=10
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local fps=""
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local bandwidth="2M"
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local alert=5000
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eval set -- "$args"
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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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shift
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break
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;;
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-d|--del|--delete)
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# Delete after
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del_after="true"
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shift
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;;
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-s|--size)
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size="-s $2"
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webmtag="${webmtag}-s$2"
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shift 2
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;;
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-t|--tag)
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# mark with a quality tag
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webmtagopt="true"
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shift
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;;
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-f|--fps)
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# select fps
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fps="-r $2"
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webmtag="${webmtag}-f$2"
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shift 2
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;;
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-b|--bandwidth)
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# select bandwidth
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bandwidth="$2"
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webmtag="${webmtag}-b$2"
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shift 2
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;;
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-a|--alert)
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# set size alert
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alert="$2"
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shift 2
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;;
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esac
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done
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# Done Parsing, all that's left are the filenames
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local movies="$*"
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if [[ -z "$movies" ]]; then
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echo "$(tput setaf 1)No input files given. Example: any2webm file [file...] [-w <max width (pixels)>] < $(tput sgr 0)"
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return 1
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fi
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# Prepare the quality tag if requested.
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[[ -z "$webmtag" ]] && webmtag="-default"
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[[ -z "$webmtagopt" ]] && webmtag=""
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for file in $movies ; do
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local output_file="${file%.*}${webmtag}.webm"
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echo "$(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 $size -pix_fmt yuva420p "$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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if [[ $out_size -gt $(( alert * 1000 )) ]] ; then
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echo "$(tput setaf 3)Warning: '$output_file' is $((out_size/1000))kb, keeping '$file' even if --del requested.$(tput sgr 0)"
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del_after=""
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fi
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fi
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[[ "$del_after" = "true" ]] && rm "$file"
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done
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echo "$(tput setaf 2)Done.$(tput sgr 0)"
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}
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