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passt/test/lib/video
Stefano Brivio 337f55166f demo, ci: Switch to asciinema(1) for terminal recordings
For demos, cool-retro-term(1) looked fancier, but several threads of
that and ffmpeg(1) are just messing up with performance testing.

The CI videos started getting really big as well, and they were
difficult to read.

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
2022-02-22 18:36:24 +01:00

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#!/bin/sh
#
# SPDX-License-Identifier: AGPL-3.0-or-later
#
# PASST - Plug A Simple Socket Transport
# for qemu/UNIX domain socket mode
#
# PASTA - Pack A Subtle Tap Abstraction
# for network namespace/tap device mode
#
# test/lib/video - Session recording, JavaScript fragments with links
#
# Copyright (c) 2021-2022 Red Hat GmbH
# Author: Stefano Brivio <sbrivio@redhat.com>
FFMPEG_PID_FILE="$(mktemp)"
VIDEO_START_SECONDS=
VIDEO_NAME=
VIDEO_LINKS_TEMPLATE="document.write('"'
Skip to:
'
VIDEO_LINKS_TEMPLATE_JS="
');
var video___VIDEO_NAME__links = [
"
VIDEO_LINKS_TEMPLATE_POST='];
for (var i = 0; i < video___VIDEO_NAME__links.length; i++) {
var obj = document.getElementById(video___VIDEO_NAME__links[i][0]);
obj.addEventListener("click", function(event) {
var __VIDEO_NAME___div = document.getElementById("__VIDEO_NAME__");
var top = __VIDEO_NAME___div.offsetTop - 5;
var seek;
for (var i = 0; i < video___VIDEO_NAME__links.length; i++) {
if (this.id == video___VIDEO_NAME__links[i][0]) {
seek = video___VIDEO_NAME__links[i][1];
}
}
event.preventDefault();
__VIDEO_NAME___player.dispose();
__VIDEO_NAME___player = AsciinemaPlayer.create(
"/builds/latest/web/__VIDEO_NAME__.cast",
__VIDEO_NAME___div,
{ startAt: seek, autoplay: true });
window.scrollTo({ top: top, behavior: "smooth" })
}, false);
}
'
VIDEO_LINKS_BUF=
VIDEO_LINKS_COUNT=0
# video_append_links() - Append generic string to JavaScript links file
video_append_links()
{
printf "${@}" >> "${BASEPATH}/${VIDEO_NAME}.js"
}
# video_append_links() - Append generic string to buffer for links
video_append_links_js()
{
VIDEO_LINKS_BUF="${VIDEO_LINKS_BUF}${@}"
}
# video_start() - Mark start of a test in capture, record start timestamp
video_start() {
VIDEO_NAME="${1}"
echo "${VIDEO_LINKS_TEMPLATE}" > "${BASEPATH}/${VIDEO_NAME}.js"
VIDEO_START_SECONDS=$(sed -n 's/\([0-9]*\).[0-9]* [0-9]*.[0-9]*/\1/p' /proc/uptime)
sync
[ ${DEMO} -eq 1 ] && tail -1 "${BASEPATH}/demo.uncut" > "${BASEPATH}/${VIDEO_NAME}.start"
[ ${CI} -eq 1 ] && tail -1 "${BASEPATH}/ci.uncut" > "${BASEPATH}/${VIDEO_NAME}.start"
sync
tmux refresh-client
}
# video_stop() - Mark stop of a test in capture, finalise JavaScript fragments
video_stop() {
tmux refresh-client
sync
[ ${DEMO} -eq 1 ] && tail -1 "${BASEPATH}/demo.uncut" > "${BASEPATH}/${VIDEO_NAME}.stop"
[ ${CI} -eq 1 ] && tail -1 "${BASEPATH}/ci.uncut" > "${BASEPATH}/${VIDEO_NAME}.stop"
sync
sed -i 's/^.*$/&\\/g' "${BASEPATH}/${VIDEO_NAME}.js"
echo "${VIDEO_LINKS_TEMPLATE_JS}" | sed "s/__VIDEO_NAME__/${VIDEO_NAME}/g" >> "${BASEPATH}/${VIDEO_NAME}.js"
echo "${VIDEO_LINKS_BUF}" >> "${BASEPATH}/${VIDEO_NAME}.js"
echo "${VIDEO_LINKS_TEMPLATE_POST}" | sed "s/__VIDEO_NAME__/${VIDEO_NAME}/g" >> "${BASEPATH}/${VIDEO_NAME}.js"
}
# video_postprocess() - Cut terminal recordings based on .start and .stop files
video_postprocess() {
IFS='
'
__cast_name=
for __l in $(cat ${1}); do
[ -z "${__header}" ] && __header="${__l}" && continue
if [ -z "${__cast_name}" ]; then
for __cast_cut in *.start; do
[ "${__l}" != "$(cat "${__cast_cut}")" ] && continue
__cast_name="${__cast_cut%.start}"
__cast_offset=
__stop_line="$(cat ${__cast_name}.stop)"
echo "${__header}" > "${__cast_name}.cast"
break
done
continue
fi
[ "${__l}" = "${__stop_line}" ] && __cast_name= && continue
__l_offset="$(echo ${__l%%.*}|tr -c -d '[:digit:]')"
__l_rest="${__l#*.}"
[ -z "${__cast_offset}" ] && __cast_offset=${__l_offset}
__l_offset=$((__l_offset - __cast_offset))
printf '[%s.%s\n' "${__l_offset}" "${__l_rest}" >> "${__cast_name}".cast
done
unset IFS
}
# video_time_now() - Print current video timestamp, in seconds
video_time_now() {
__now=$(sed -n 's/\([0-9]*\).[0-9]* [0-9]*.[0-9]*/\1/p' /proc/uptime)
echo $((__now - VIDEO_START_SECONDS))
}
# video_link() - Append single link to given video chapter
video_link() {
[ ${VIDEO_LINKS_COUNT} -eq 0 ] && __sep="" || __sep=" |"
__id="video_link_${VIDEO_LINKS_COUNT}"
video_append_links "${__sep} <a id=\"${__id}\">${1}</a>"
video_append_links_js "[ '${__id}', $(($(video_time_now) - 1)) ],"
VIDEO_LINKS_COUNT=$((VIDEO_LINKS_COUNT + 1))
}