Recherche avancée

Médias (0)

Mot : - Tags -/presse-papier

Aucun média correspondant à vos critères n’est disponible sur le site.

Autres articles (62)

  • Submit bugs and patches

    13 avril 2011

    Unfortunately a software is never perfect.
    If you think you have found a bug, report it using our ticket system. Please to help us to fix it by providing the following information : the browser you are using, including the exact version as precise an explanation as possible of the problem if possible, the steps taken resulting in the problem a link to the site / page in question
    If you think you have solved the bug, fill in a ticket and attach to it a corrective patch.
    You may also (...)

  • Websites made ​​with MediaSPIP

    2 mai 2011, par

    This page lists some websites based on MediaSPIP.

  • Des sites réalisés avec MediaSPIP

    2 mai 2011, par

    Cette page présente quelques-uns des sites fonctionnant sous MediaSPIP.
    Vous pouvez bien entendu ajouter le votre grâce au formulaire en bas de page.

Sur d’autres sites (10624)

  • Black detect ffmpeg and use in a javascript

    6 février 2023, par sol

    I had an ffmpeg script that allow me to detect black frames from a video file sample from the bottom.

    


    and i want to create a javascript code that will allow me to do the same function sample from the bottom but its not working.

    


    original code from ffmpeg script :

    


    `ffmpeg -i LKE-BLACK.mp4 -vf "blackdetect=d=0.5:pix_th=0.10" -an -f null - 2>&1 | findstr blackdetect > output.txt

    


    node script :

    


    var fs = require('fs');
const ffmpeg = require("ffmpeg.js");

var createStream = fs.createWriteStream("data.txt");
createStream.end();

const transcode = async ({ target: { files }  }) => {
    message.innerHTML = 'Loading ffmpeg-core.js';
    await ffmpeg.load();
    message.innerHTML = 'Start transcoding';
    
    await ffmpeg.transcode('-i', 'LKE-BLACK.mp4', "-vf", "blackdetect=d=0.5:pix_th=0.10", '-an', '-f', 'null - 2>&1', );
    message.innerHTML = 'Complete transcoding';

    fs.writeFile("data.txt", function (err) {
        if (err) throw err;
        console.log('File is created successfully.');
      });
}


    


  • avcodec/pngdec : do not blend on transparent black

    28 novembre 2014, par Benoit Fouet
    avcodec/pngdec : do not blend on transparent black

    There is no need to memset the zlib output buffer, as there is no
    
blending happening there. Instead, do not blend when the dispose
    
operation is set to ’background’ (tranparent black).
    

    Signed-off-by : Michael Niedermayer <michaelni@gmx.at>
    • [DH] libavcodec/pngdec.c

  • I want to crop videos with black frames on top and bottom

    10 février 2019, par jennie

    I want to crop videos with black frames on the bottom and top according to the frame rate as described in the video after crop

    how with ffmpeg ? How to crop Black Bars from Video

    Can you help me ! thank you so much !

    I want to crop videos with black frames on the bottom and top follow the scale as described in the video .

    Example image video

    video image after crop

    video after crop

Navigation