mirror of https://bitbucket.org/ausocean/av.git
76 lines
2.4 KiB
JavaScript
76 lines
2.4 KiB
JavaScript
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/*
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NAME
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main.js
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AUTHOR
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Trek Hopton <trek@ausocean.org>
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LICENSE
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This file is Copyright (C) 2019 the Australian Ocean Lab (AusOcean)
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It is free software: you can redistribute it and/or modify them
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under the terms of the GNU General Public License as published by the
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Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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It is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License in gpl.txt.
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If not, see http://www.gnu.org/licenses.
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*/
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// play will process and play the chosen target file.
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function play() {
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const viewer = document.getElementById('viewer');
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const input = event.target.files[0];
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const reader = new FileReader();
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reader.onload = event => {
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const player = new Worker("player.js");
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let rate = document.getElementById('rate');
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if (rate.value && rate.value > 0) {
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player.postMessage({ msg: "setFrameRate", data: rate.value });
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}
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player.onmessage = e => {
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switch (e.data.msg) {
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case "frame":
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const blob = new Blob([new Uint8Array(e.data.data)], {
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type: 'video/x-motion-jpeg'
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});
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const url = URL.createObjectURL(blob);
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viewer.src = url;
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break;
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case "log":
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console.log(e.data.data);
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break;
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case "stop":
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break;
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default:
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console.error("unknown message from player");
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break;
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}
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};
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switch (input.name.split('.')[1]) {
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case "mjpeg":
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case "mjpg":
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player.postMessage({ msg: "loadMjpeg", data: event.target.result }, [event.target.result]);
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break;
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case "ts":
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player.postMessage({ msg: "loadMtsMjpeg", data: event.target.result }, [event.target.result]);
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break;
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default:
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console.error("unknown file format");
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break;
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}
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};
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reader.onerror = error => reject(error);
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reader.readAsArrayBuffer(input);
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}
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