Nepovednik zivi!

2017-11-13 04:43:25 +01:00 · 2017-11-13 04:43:25 +01:00 · c62329f555
commit c62329f555
6 changed files with 733 additions and 0 deletions
--- a/.gitignore
+++ b/.gitignore
@ -0,0 +1,4 @@
+node_modules
+nepovedi/*
+kosi/*
+vide-i/*
--- a/izberi.html
+++ b/izberi.html
@ -0,0 +1,144 @@
+<html>
+    <head>
+        <title>nepovednik</title>
+
+        <style type="text/css">
+         @-webkit-keyframes rotate-forever {
+             0% {
+                 -webkit-transform: rotate(0deg);
+                 -moz-transform: rotate(0deg);
+                 -ms-transform: rotate(0deg);
+                 -o-transform: rotate(0deg);
+                 transform: rotate(0deg);
+             }
+             100% {
+                 -webkit-transform: rotate(360deg);
+                 -moz-transform: rotate(360deg);
+                 -ms-transform: rotate(360deg);
+                 -o-transform: rotate(360deg);
+                 transform: rotate(360deg);
+             }
+         }
+         @-moz-keyframes rotate-forever {
+             0% {
+                 -webkit-transform: rotate(0deg);
+                 -moz-transform: rotate(0deg);
+                 -ms-transform: rotate(0deg);
+                 -o-transform: rotate(0deg);
+                 transform: rotate(0deg);
+             }
+             100% {
+                 -webkit-transform: rotate(360deg);
+                 -moz-transform: rotate(360deg);
+                 -ms-transform: rotate(360deg);
+                 -o-transform: rotate(360deg);
+                 transform: rotate(360deg);
+             }
+         }
+         @keyframes rotate-forever {
+             0% {
+                 -webkit-transform: rotate(0deg);
+                 -moz-transform: rotate(0deg);
+                 -ms-transform: rotate(0deg);
+                 -o-transform: rotate(0deg);
+                 transform: rotate(0deg);
+             }
+             100% {
+                 -webkit-transform: rotate(360deg);
+                 -moz-transform: rotate(360deg);
+                 -ms-transform: rotate(360deg);
+                 -o-transform: rotate(360deg);
+                 transform: rotate(360deg);
+             }
+         }
+         .loading-spinner {
+             -webkit-animation-duration: 0.75s;
+             -moz-animation-duration: 0.75s;
+             animation-duration: 0.75s;
+             -webkit-animation-iteration-count: infinite;
+             -moz-animation-iteration-count: infinite;
+             animation-iteration-count: infinite;
+             -webkit-animation-name: rotate-forever;
+             -moz-animation-name: rotate-forever;
+             animation-name: rotate-forever;
+             -webkit-animation-timing-function: linear;
+             -moz-animation-timing-function: linear;
+             animation-timing-function: linear;
+             height: 30px;
+             width: 30px;
+             border: 8px solid black;
+             border-right-color: transparent;
+             border-radius: 50%;
+             display: inline-block;
+         }
+
+         .loading-spinner {
+             position: absolute;
+             top: 50%;
+             right: 0;
+             bottom: 0;
+             left: 50%;
+             margin: -15px 0 -15px;
+         }
+        </style>
+    </head>
+    <body>
+        <div>
+            Katero število med 1 in 1000 imaš v mislih?
+            <input id="stevilo" type="text" />
+            <button id="gumb">klik</button>
+        </div>
+
+        <div style="position: relative;">
+            <video style="width: 100%; margin-top: .5rem;" id="televizija" controls>
+                Žal gostujoč kos tehnike ni adekvaten.
+            </video>
+            <div class="loading-spinner" style="display: none" id="loader"></div>
+        </div>
+
+        <script type="text/javascript">
+         var gumb = document.getElementById("gumb");
+         var stel = document.getElementById("stevilo");
+         var tv = document.getElementById("televizija");
+         var loader = document.getElementById("loader");
+         var st = 0;
+
+         function pridobiPosnetek() {
+            var xhttp = new XMLHttpRequest();
+            xhttp.open("GET", "/nepoved/" + st, true);
+            xhttp.onreadystatechange = function() {
+                if (this.readyState == 4 && this.status == 200) {
+                    var resp = this.responseText;
+
+                    if (resp === "zacetek" || resp === "cakaj") {
+                        setTimeout(pridobiPosnetek, 3000);
+                    } else {
+                        loader.style.display = "none";
+                        //var src = document.createElement("source");
+                        //src.src = resp;
+                        //src.type = "video/webm";
+                        //tv.appendChild(src);
+                        tv.src = resp;
+                        tv.play();
+                    }
+                }
+            };
+            xhttp.send();
+         }
+
+         gumb.onclick = function() {
+             st = parseInt(stel.value);
+
+             if (isNaN(st) || st < 0 || st > 1000) {
+                 stel.style.backgroundColor = "darksalmon";
+             } else {
+                 stel.style.backgroundColor = "transparent";
+                 loader.style.display = "block";
+                 tv.pause();
+                 tv.src = null;
+                 pridobiPosnetek();
+            }
+         };
+        </script>
+    </body>
+</html>
--- a/nepovednik.js
+++ b/nepovednik.js
@ -0,0 +1,133 @@
+#!/usr/bin/node
+
+const videiDir = 'vide-i/';
+const fs = require('fs');
+const ffmpeg = require("fluent-ffmpeg");
+const MersenneTwister = require("mersenne-twister");
+const exec = require('child_process').exec;
+
+if (process.argv.length != 3) {
+    console.log("Podaj mi stevilo trejlerja kot argument (samo eno.)");
+    process.exit(1);
+}
+
+/****
+     Parametri za generiranje!
+     */
+const dolzinaT = 30; // Dolzina celega trejlerja v sekundah
+const kaderMin = 2; // Dolzina kadra (min)
+const kaderMax = 7; // Dolzina kadra (max)
+/*************************************************************************/
+
+const stTrejlerja = parseInt(process.argv[2]);
+
+function toHHMMSS(cas) {
+    var dec = parseFloat((cas % 1).toFixed(2));
+    var sec_num = parseInt(cas - dec, 10); // don't forget the second param
+    var hours   = Math.floor(sec_num / 3600);
+    var minutes = Math.floor((sec_num - (hours * 3600)) / 60);
+    var seconds = sec_num - (hours * 3600) - (minutes * 60);
+
+    if (hours   < 10) {hours   = "0"+hours;}
+    if (minutes < 10) {minutes = "0"+minutes;}
+    if (seconds < 10) {seconds = "0"+(seconds+dec);}
+
+    return hours+':'+minutes+':'+seconds;
+}
+
+console.log("generiram!...");
+console.log(stTrejlerja);
+
+let najava = './nepovedi/najava' + stTrejlerja;
+fs.closeSync(fs.openSync(najava, 'w'));
+
+const generator = new MersenneTwister(stTrejlerja);
+let videi = [];
+let stevec = 0;
+
+fs.readdirSync(videiDir).map(file => {
+    ffmpeg.ffprobe(videiDir + file, (err, metadata) => {
+        videi.push({
+            name: file.substr(0, file.length - 3),
+            path: videiDir + file,
+            length: metadata.streams[0].duration
+        });
+
+        if (videi.length === stevec) {
+            razsekaj(videi);
+        }
+    });
+
+    stevec += 1;
+});
+
+function imeKosa(st) {
+    return stTrejlerja + '_' + st + '.webm';
+}
+
+
+let dolzina = 0;
+let stKosov = 1;
+function razsekaj(videi) {
+    // Najprej posortiram, da so predvidljivi trejlerji
+    videi.sort((a, b) => a.name.localeCompare(b.name));
+
+    let stKoncanih = 0;
+    while(dolzina < dolzinaT) {
+        let trenutniV = videi[generator.random_int() % videi.length];
+        let zacetek = parseFloat((generator.random() * trenutniV.length).toFixed(2));
+        let trajanje = parseFloat((kaderMin + (generator.random() * (kaderMax - kaderMin))).toFixed(2));
+        let konec = zacetek + trajanje;
+
+        if (konec > trenutniV.length) {
+            trajanje = parseFloat((trenutniV.length - zacetek).toFixed(2));
+        }
+
+        let cmd = "ffmpeg -y -ss " + toHHMMSS(zacetek) + " -i " + trenutniV.path.replace(/([\s()&])/g, "\\$1") + " -t " + toHHMMSS(trajanje) + " -vcodec libvpx -cpu-used -5 -deadline realtime -acodec libvorbis  -max_muxing_queue_size 400 ./kosi/" + imeKosa(stKosov);
+        exec(cmd, function (error, stdout, stderr) {
+            if (error !== null) {
+                console.log("Napaka!", error);
+                console.log(stderr);
+                process.exit(1);
+            }
+
+            stKoncanih += 1;
+
+            if ((dolzina > dolzinaT) && (stKoncanih === (stKosov - 1))) {
+                console.log("konvertirani vsi.");
+                console.log("polna dolzina: " + dolzina);
+                console.log("dajmo jih zlepit. (" + (stKosov - 1) + ")");
+                zlepi();
+            }
+        });
+
+        dolzina += trajanje;
+        stKosov += 1;
+    }
+}
+
+function zlepi() {
+    let cmd = 'mkvmerge -o ./nepovedi/' + stTrejlerja + '.webm ./kosi/' + imeKosa(1);
+    for (let i = 2; i < stKosov; i++) {
+        cmd += ' + ./kosi/' + imeKosa(i);
+    }
+
+    exec(cmd, function (error, stdout, stderr) {
+        if (error !== null) {
+            console.log("problem pri lepljenju.");
+            console.log(error);
+            console.log(stdout);
+            console.log(stderr);
+            process.exit(1);
+        }
+
+        console.log("Koncano!");
+
+        for(let j = 1; j < stKosov; j++) {
+            //fs.unlinkSync('./kosi/' + imeKosa(j));
+        }
+        fs.unlinkSync(najava);
+
+        process.exit(0);
+    });
+}
--- a/package-lock.json
+++ b/package-lock.json
@ -0,0 +1,397 @@
+{
+  "name": "nepovednik",
+  "version": "3.2.1",
+  "lockfileVersion": 1,
+  "requires": true,
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+    "unpipe": {
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+      "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw="
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+    "utils-merge": {
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+    "which": {
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+      "requires": {
+        "isexe": "2.0.0"
+      }
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+  }
+}
--- a/package.json
+++ b/package.json
@ -0,0 +1,14 @@
+{
+  "name": "nepovednik",
+  "version": "3.2.1",
+  "description": "ne povem",
+  "scripts": {
+    "start": "node server.js"
+  },
+  "dependencies": {
+    "fluent-ffmpeg": "^2.1.2",
+    "lodash": "^4.17.4",
+    "mersenne-twister": "^1.1.0",
+    "express": "^4.15.3"
+  }
+}
--- a/server.js
+++ b/server.js
@ -0,0 +1,41 @@
+const app = require('express')();
+const http = require('http').Server(app);
+const fs = require('fs');
+const exec = require('child_process').exec;
+
+app.get('/', function(req, res) {
+    res.sendFile(__dirname + '/izberi.html');
+});
+
+app.get('/nepovid/:id', function (req, res) {
+    let st = parseInt(req.params.id);
+    if (st < 1 || st > 1000) {
+        res.status(404);
+    }
+
+    let nejm = 'nepovedi/' + st + '.webm';
+    if (fs.existsSync(nejm)) {
+        res.sendFile(__dirname + '/' + nejm);
+    }
+});
+
+app.get('/nepoved/:ime', function (req, res) {
+    let st = parseInt(req.params.ime);
+    if (st < 1 || st > 1000) {
+        res.status(404);
+    }
+
+    let nejm = 'nepovedi/' + st + '.webm';
+    if (fs.existsSync(nejm)) {
+        res.send('/nepovid/' + st);
+    } else if (fs.existsSync('nepovedi/najava' + st)) {
+        res.send("cakaj");
+    } else {
+        exec('node nepovednik.js ' + st);
+        res.send("zacetek");
+    }
+});
+
+http.listen(5000, function() {
+    console.log('listening on *:5000');
+});