Html5 video recording and upload?

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眼角桃花
眼角桃花 2021-01-31 00:23

I need to create an app that can record video using a webcam or mobile camera (it needs to be cross platform).

So far I have written a small proof of concept using webrt

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  • 2021-01-31 00:51

    You can record video and audio separately. You can get files (WAV/WebM) and upload them on demand. webkitMediaStream takes two objects 1) audioTracks and 2) videoTracks. You may be able to combine both audio/video recorded streams!

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  • 2021-01-31 00:51

    I know I'm a few years late to the party, but here is a snippet that's capable of capturing video and uploading it to the included node.js server as a webm file. I've tested in Chrome and Firefox.

    https://gist.github.com/rissem/d51b1997457a7f6dc4cf05064f5fe984

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  • The only cross platform web video recorder is the HDFVR webcam video recorder software.

    It uses Flash (records using Flash codecs + streams to a media server) on the desktop and the HTML Media Capture API (record using OS + upload to webserver) on mobile to record video from pretty much any desktop or mobile browser.

    You can link it to a ffmpeg installation to convert everything to a cross platform format like MP4 (iOS records to a .mov container that doesn't play on Android) and it also has a JS API.

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  • 2021-01-31 01:03

    Hi sorry if this is kinda late, but here is how i managed to make the file upload to a server, I really don't have an idea if this is the best way to achieve this but i hope it helps to give you a clue.Following the tutorial Eric Bidelman wrote (as Sam Dutton commented) what you get is a blob, so I made a XMLHttpRequest to get the video and set the response type as blob, afterwards I created a FormData in which I appended the response, this will allow the blob to be sent to the server.Here is how my function looks like.

    function sendXHR(){
        //Envia bien blob, no interpretado
        var xhr = new XMLHttpRequest();
        var video=$("#myexportingvideo");
        xhr.open('GET', video.src , true);
        xhr.responseType = 'blob';
        xhr.onload = function(e) {
        if (this.status == 200) {
            // Note: .response instead of .responseText
            var blob = new Blob([this.response], {type: 'video/webm'});
            console.log(blob.size/1024);
            console.log(blob.type);
            form = new FormData(),
            request = new XMLHttpRequest();
            form.append("myblob",blob,"Capture.webm");
            form.append("myname",$("#name_test").value);
            request.open("POST","./UploadServlet",true);
            request.send(form);
           }
        };
        xhr.send();
    }
    
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