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/**
* SPDX-License-Identifier: LicenseRef-GPL-3.0-or-later-WITH-js-exceptions
*
* Make videos on archive.org playable inline without relying on site-served js
*
* Copyright (C) 2021 Wojtek Kosior <koszko@koszko.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* As additional permission under GNU GPL version 3 section 7, you
* may distribute forms of that code without the copy of the GNU
* GPL normally required by section 4, provided you include this
* license notice and, in case of non-source distribution, a URL
* through which recipients can access the Corresponding Source.
* If you modify file(s) with this exception, you may extend this
* exception to your version of the file(s), but you are not
* obligated to do so. If you do not wish to do so, delete this
* exception statement from your version.
*
* As a special exception to the GPL, any HTML file which merely
* makes function calls to this code, and for that purpose
* includes it by reference shall be deemed a separate work for
* copyright law purposes. If you modify this code, you may extend
* this exception to your version of the code, but you are not
* obligated to do so. If you do not wish to do so, delete this
* exception statement from your version.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* I, Wojtek Kosior, thereby promise not to sue for violation of this file's
* license. Although I request that you do not make use of this code in a
* proprietary program, I am not going to enforce this in court.
*/
const theatre_ia = document.getElementById("theatre-ia");
let srcs = [];
let ogv_src = null;
let webm_src = null;
let mp4_src = null;
function process_link(link)
{
ogv_src = ogv_src || (/\.ogv$/.test(link) && link);
webm_src = webm_src || (/\.webm$/.test(link) && link);
mp4_src = mp4_src || (/\.mp4$/.test(link) && link);
}
if (theatre_ia) {
for (const a of
document.querySelectorAll(".item-download-options a.download-pill"))
process_link(a.href);
for (const link of document.querySelectorAll("link[itemprop=contentUrl]"))
process_link(link.href);
srcs = [
{src: ogv_src, type: "video/ogg"},
{src: webm_src, type: "video/webm"},
{src: mp4_src, type: "video/mp4"}
].filter(src => src.src);
}
if (srcs.length > 0) {
const video = document.createElement("video");
for (const src of srcs) {
const source = document.createElement("source");
Object.assign(source, src);
video.appendChild(source);
}
video.setAttribute("width", "100%");
video.setAttribute("height", "auto");
video.setAttribute("controls", "");
for (const child of theatre_ia.children)
child.remove();
theatre_ia.appendChild(video);
}
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