mirror of https://bitbucket.org/ausocean/av.git
76 lines
2.4 KiB
JavaScript
76 lines
2.4 KiB
JavaScript
/*
|
|
NAME
|
|
main.js
|
|
|
|
AUTHOR
|
|
Trek Hopton <trek@ausocean.org>
|
|
|
|
LICENSE
|
|
This file is Copyright (C) 2019 the Australian Ocean Lab (AusOcean)
|
|
|
|
It is free software: you can redistribute it and/or modify them
|
|
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.
|
|
|
|
It 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.
|
|
|
|
You should have received a copy of the GNU General Public License in gpl.txt.
|
|
If not, see http://www.gnu.org/licenses.
|
|
*/
|
|
|
|
// play will process and play the chosen target file.
|
|
function play() {
|
|
const viewer = document.getElementById('viewer');
|
|
const input = event.target.files[0];
|
|
const reader = new FileReader();
|
|
|
|
reader.onload = event => {
|
|
const player = new Worker("player.js");
|
|
|
|
let rate = document.getElementById('rate');
|
|
if (rate.value && rate.value > 0) {
|
|
player.postMessage({ msg: "setFrameRate", data: rate.value });
|
|
}
|
|
|
|
player.onmessage = e => {
|
|
switch (e.data.msg) {
|
|
case "frame":
|
|
const blob = new Blob([new Uint8Array(e.data.data)], {
|
|
type: 'video/x-motion-jpeg'
|
|
});
|
|
const url = URL.createObjectURL(blob);
|
|
viewer.src = url;
|
|
break;
|
|
case "log":
|
|
console.log(e.data.data);
|
|
break;
|
|
case "stop":
|
|
break;
|
|
default:
|
|
console.error("unknown message from player");
|
|
break;
|
|
}
|
|
};
|
|
|
|
switch (input.name.split('.')[1]) {
|
|
case "mjpeg":
|
|
case "mjpg":
|
|
player.postMessage({ msg: "loadMjpeg", data: event.target.result }, [event.target.result]);
|
|
break;
|
|
case "ts":
|
|
player.postMessage({ msg: "loadMtsMjpeg", data: event.target.result }, [event.target.result]);
|
|
break;
|
|
default:
|
|
console.error("unknown file format");
|
|
break;
|
|
}
|
|
};
|
|
reader.onerror = error => reject(error);
|
|
reader.readAsArrayBuffer(input);
|
|
|
|
}
|