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https://passt.top/passt
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fb6fa99ca3
It's not really needed on a reasonably powered CPU, and makes the video contents way less readable. Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
126 lines
4.2 KiB
Bash
Executable File
126 lines
4.2 KiB
Bash
Executable File
#!/bin/sh
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#
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# SPDX-License-Identifier: AGPL-3.0-or-later
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#
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# PASST - Plug A Simple Socket Transport
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# for qemu/UNIX domain socket mode
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#
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# PASTA - Pack A Subtle Tap Abstraction
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# for network namespace/tap device mode
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#
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# test/lib/video - Video grabbing, JavaScript fragments with links
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#
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# Copyright (c) 2021 Red Hat GmbH
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# Author: Stefano Brivio <sbrivio@redhat.com>
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FFMPEG_PID_FILE="$(mktemp)"
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VIDEO_START_SECONDS=
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VIDEO_NAME=
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VIDEO_LINKS_TEMPLATE="document.write('"'
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Skip to:
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'
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VIDEO_LINKS_TEMPLATE_JS="
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');
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var video___VIDEO_NAME__links = [
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"
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VIDEO_LINKS_TEMPLATE_POST='];
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for (var i = 0; i < video___VIDEO_NAME__links.length; i++) {
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var obj = document.getElementById(video___VIDEO_NAME__links[i][0]);
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obj.addEventListener("click", function(event) {
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var __VIDEO_NAME___video = document.getElementById("__VIDEO_NAME___video");
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var top = __VIDEO_NAME___video.offsetTop - 5;
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event.preventDefault();
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__VIDEO_NAME___video.play();
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__VIDEO_NAME___video.pause();
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for (var i = 0; i < video___VIDEO_NAME__links.length; i++) {
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if (this.id == video___VIDEO_NAME__links[i][0]) {
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__VIDEO_NAME___video.currentTime = video___VIDEO_NAME__links[i][1];
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}
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}
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window.scrollTo({ top: top, behavior: "smooth" })
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__VIDEO_NAME___video.play();
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}, false);
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}
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'
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VIDEO_LINKS_BUF=
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VIDEO_LINKS_COUNT=0
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# video_append_links() - Append generic string to JavaScript links file
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video_append_links()
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{
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printf "${@}" >> "${BASEPATH}/${VIDEO_NAME}.js"
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}
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# video_append_links() - Append generic string to buffer for links
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video_append_links_js()
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{
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VIDEO_LINKS_BUF="${VIDEO_LINKS_BUF}${@}"
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}
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# video_grab() - Fetch window geometry, start grabbing video
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video_grab() {
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VIDEO_NAME="${1}"
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rm -f "${BASEPATH}/${VIDEO_NAME}.mp4" "${BASEPATH}/${VIDEO_NAME}.webm" "${BASEPATH}/${VIDEO_NAME}.js"
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echo "${VIDEO_LINKS_TEMPLATE}" > "${BASEPATH}/${VIDEO_NAME}.js"
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if [ ${XVFB} -eq 1 ]; then
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# Grab the geometry of the first window that's at least 100px wide
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eval $(xwininfo -d :99.0 -root -tree | sed -n 's/^[ ]*0x[0-f]*[^0-9]*\([0-9]\{3,\}\)x\([0-9]*\)+\([0-9]*\)+\([0-9]*\).*/__width=\1; __height=\2; __x=\3; __y=\4;/p')
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else
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__x=$(xwininfo -id $(xdotool getactivewindow) | sed -n 's/[ ]*Absolute upper-left X:[ ]*\([0-9]*\)$/\1/p')
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__y=$(xwininfo -id $(xdotool getactivewindow) | sed -n 's/[ ]*Absolute upper-left Y:[ ]*\([0-9]*\)$/\1/p')
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__width=$(xwininfo -id $(xdotool getactivewindow) | sed -n 's/[ ]*Width:[ ]*\([0-9]*\)$/\1/p')
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__height=$(xwininfo -id $(xdotool getactivewindow) | sed -n 's/[ ]*Height:[ ]*\([0-9]*\)$/\1/p')
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fi
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[ $((__width % 2)) ] && __width=$((__width - 1))
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[ $((__height % 2)) ] && __height=$((__height - 1))
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sleep 3
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VIDEO_START_SECONDS=$(sed -n 's/\([0-9]*\).[0-9]* [0-9]*.[0-9]*/\1/p' /proc/uptime)
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[ ${XVFB} -eq 1 ] && __disp=":99.0" || __disp=
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ffmpeg -f x11grab -framerate 15 -video_size "${__width}x${__height}" -i "${__disp}+${__x},${__y}" -vcodec libx264 -qp 0 -draw_mouse 0 "${BASEPATH}/${VIDEO_NAME}.mp4" & echo $! > "${FFMPEG_PID_FILE}"
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}
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# video_time_now() - Print current video timestamp, in seconds
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video_time_now() {
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__now=$(sed -n 's/\([0-9]*\).[0-9]* [0-9]*.[0-9]*/\1/p' /proc/uptime)
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echo $((__now - VIDEO_START_SECONDS))
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}
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# video_stop() - Stop grabbing, finalise JavaScript templates, convert to webm
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video_stop() {
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sed -i 's/^.*$/&\\/g' "${BASEPATH}/${VIDEO_NAME}.js"
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echo "${VIDEO_LINKS_TEMPLATE_JS}" | sed "s/__VIDEO_NAME__/${VIDEO_NAME}/g" >> "${BASEPATH}/${VIDEO_NAME}.js"
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echo "${VIDEO_LINKS_BUF}" >> "${BASEPATH}/${VIDEO_NAME}.js"
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echo "${VIDEO_LINKS_TEMPLATE_POST}" | sed "s/__VIDEO_NAME__/${VIDEO_NAME}/g" >> "${BASEPATH}/${VIDEO_NAME}.js"
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kill -INT $(cat "${FFMPEG_PID_FILE}")
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while ps -p $(cat "${FFMPEG_PID_FILE}") >/dev/null; do sleep 1; done
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rm "${FFMPEG_PID_FILE}"
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[ ${1} -ne 0 ] && return
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ffmpeg -an -fflags +genpts -i "${BASEPATH}/${VIDEO_NAME}.mp4" -c:v libvpx-vp9 -row-mt 1 -minrate 10k -maxrate 200k -b:v 200k "${BASEPATH}/${VIDEO_NAME}.webm"
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}
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# video_link() - Append single link to given video chapter
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video_link() {
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[ ${VIDEO_LINKS_COUNT} -eq 0 ] && __sep="" || __sep=" |"
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__id="video_link_${VIDEO_LINKS_COUNT}"
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video_append_links "${__sep} <a id=\"${__id}\">${1}</a>"
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video_append_links_js "[ '${__id}', $(($(video_time_now) - 1)) ],"
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VIDEO_LINKS_COUNT=$((VIDEO_LINKS_COUNT + 1))
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}
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