screencaps to video
| #!/bin/bash | |
| # OSX requires Quicktime Pro, linux requires scrot and mencoder | |
| # jpg faster/png higher quality | |
| FORMAT=jpg | |
| usage() { | |
| cat <<! | |
| use: $(basename $0) -c <path/to/empty/folder> [seconds] | |
| $(basename $0) -o <path/to/empty/folder> | |
| -c take screenshot every n seconds in a 1 hour loop | |
| default 5 seconds | |
| -o make 12fps video of stored screenshots | |
| OSX: must specify absolute path to folder | |
| ! | |
| exit | |
| } | |
| capture() { | |
| [ -d "$1" ] || return | |
| case $(uname) in | |
| Darwin) CAP="screencapture -Cm";; | |
| Linux) CAP="scrot";; | |
| *) return;; | |
| esac | |
| while :; do | |
| local i="$1"/$(date +%s).$FORMAT | |
| $CAP "$i" | |
| # delete *.$FORMAT older than 1 hour (be careful!!) | |
| find "$1" -name *.$FORMAT -mmin +60 -delete | |
| sleep ${2:-5} | |
| # maximum res mplayer will play is 2046x2046 | |
| [ "$(identify -format "%w" $i)" -gt 2046 ] && mogrify -resize 2046 $i | |
| done | |
| } | |
| Darwin_mkvid() { | |
| [ -d "$1" ] || return | |
| [ "${1:0:1}" = "/" ] || { | |
| echo "path to folder [$1] must be absolute" | |
| return | |
| } | |
| osascript -e "tell application \"Finder\" to set f to first file of folder (POSIX file \"$1\" as string) as string" -e "tell application \"QuickTime Player\"" -e "open image sequence f frames per second 12" -e "save self contained document \"Untitled\" in \"$1/output.mov\"" -e "quit" -e "end tell" | |
| echo $1/output.mov | pbcopy | pbpaste | |
| } | |
| Linux_mkvid() { | |
| [ -d "$1" ] || return | |
| cd $1 | |
| # motion png/jpg - fast, good quality, relatively small | |
| mencoder mf://*.$FORMAT -mf fps=12:type=$FORMAT -ovc copy -oac copy -o output.avi | |
| echo $1/output.avi | |
| # xclip? | |
| } | |
| if [ $1 ]; then | |
| case $1 in | |
| -c) shift; capture $*;; | |
| -o) shift; $(uname)_mkvid $*;; | |
| *) usage;; | |
| esac | |
| else | |
| usage | |
| fi |
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