first commit

1 files changed, 143 insertions, 0 deletions

diff --git a/export.js b/export.js
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index 0000000..a2c4ddc
--- /dev/null
+++ b/export.js
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+const puppeteer = require('puppeteer');
+const Xvfb      = require('xvfb');
+var exec = require('child_process').exec;
+const fs = require('fs');
+const homedir = require('os').homedir();
+
+var xvfb        = new Xvfb({silent: true});
+var width       = 1280;
+var height      = 720;
+var options     = {
+  headless: false,
+  args: [
+    '--enable-usermedia-screen-capturing',
+    '--allow-http-screen-capture',
+    '--auto-select-desktop-capture-source=bbbrecorder',
+    '--load-extension=' + __dirname,
+    '--disable-extensions-except=' + __dirname,
+    '--disable-infobars',
+    '--no-sandbox',    
+    '--shm-size=1gb',
+    '--disable-dev-shm-usage',
+    `--window-size=${width},${height}`,
+  ],
+}
+
+async function main() {
+    try{
+        xvfb.startSync()
+        var url = process.argv[2],
+            exportname = process.argv[3], 
+            duration = process.argv[4],
+            convert = process.argv[5]
+
+        if(!url){ url = 'http://tobiasahlin.com/spinkit/' }
+        if(!exportname){ exportname = 'spinner.webm' }
+        if(!duration){ duration = 10 }
+        if(!convert){ convert = false }
+        
+        const browser = await puppeteer.launch(options)
+        const pages = await browser.pages()
+        
+        const page = pages[0]
+
+        page.on('console', msg => console.log('PAGE LOG:', msg.text()));
+
+        await page._client.send('Emulation.clearDeviceMetricsOverride')
+        await page.goto(url, {waitUntil: 'networkidle2'})
+        await page.setBypassCSP(true)
+
+        await page.click('button[class=acorn-play-button]', {waitUntil: 'domcontentloaded'});
+        await page.$eval('#navbar', element => element.parentNode.removeChild(element));
+        await page.$eval('.acorn-controls', element => element.parentNode.removeChild(element));
+        await page.$eval('#copyright', element => element.parentNode.removeChild(element));
+        
+        //const form = await page.$('.acorn-play-button');
+        //await form.evaluate( form => form.click() );
+
+        // Perform any actions that have to be captured in the exported video
+        await page.waitFor((duration * 1000))
+
+        await page.evaluate(filename=>{
+            window.postMessage({type: 'SET_EXPORT_PATH', filename: filename}, '*')
+            window.postMessage({type: 'REC_STOP'}, '*')
+        }, exportname)
+
+        // Wait for download of webm to complete
+        await page.waitForSelector('html.downloadComplete', {timeout: 0})
+        await page.close()
+        await browser.close()
+        xvfb.stopSync()
+
+        if(convert){
+            convertAndCopy(exportname)
+        }else{
+            copyOnly(exportname)
+        }
+        
+    }catch(err) {
+        console.log(err)
+    }
+}
+
+main()
+
+function convertAndCopy(filename){
+ 
+    var copyFromPath = homedir + "/Downloads";
+    var copyToPath = "/var/www/bigbluebutton-default/record";
+    var onlyfileName = filename.split(".webm")
+    var mp4File = onlyfileName[0] + ".mp4"
+    var copyFrom = copyFromPath + "/" + filename + ""
+    var copyTo = copyToPath + "/" + mp4File;
+
+    if(!fs.existsSync(copyToPath)){
+        fs.mkdirSync(copyToPath);
+    }
+
+    console.log(copyTo);
+    console.log(copyFrom);
+
+    var cmd = "ffmpeg -y -i '" + copyFrom + "' -preset veryfast -movflags faststart -profile:v high -level 4.2 '" + copyTo + "'";
+
+    console.log("converting using: " + cmd);
+    
+    exec(cmd, function(err, stdout, stderr) {
+
+        if (err) console.log('err:\n' + err);
+        //if (stderr) console.log('stderr:\n' + stderr);
+
+        if(!err){
+            console.log("Now deleting " + copyFrom)
+            try {
+              fs.unlinkSync(copyFrom);
+              console.log('successfully deleted ' + copyFrom);
+            } catch (err) {
+              console.log(err)
+            }
+        }
+    });
+}
+
+function copyOnly(filename){
+
+    var copyFrom = homedir + "/Downloads/" + filename;
+    var copyToPath = "/var/www/bigbluebutton-default/record";
+    var copyTo = copyToPath + "/" + filename;
+
+    if(!fs.existsSync(copyToPath)){
+        fs.mkdirSync(copyToPath);
+    }
+
+    try {
+
+        fs.copyFileSync(copyFrom, copyTo)
+        console.log('successfully copied ' + copyTo);
+
+        fs.unlinkSync(copyFrom);
+        console.log('successfully delete ' + copyFrom);
+    } catch (err) {
+        console.log(err)
+    }
+}
+