Advanced search

Medias (1)

Tag: - Tags -/ogg

Other articles (111)

  • Le profil des utilisateurs

    12 April 2011, by

    Chaque utilisateur dispose d’une page de profil lui permettant de modifier ses informations personnelle. Dans le menu de haut de page par défaut, un élément de menu est automatiquement créé à l’initialisation de MediaSPIP, visible uniquement si le visiteur est identifié sur le site.
    L’utilisateur a accès à la modification de profil depuis sa page auteur, un lien dans la navigation "Modifier votre profil" est (...)

  • Configurer la prise en compte des langues

    15 November 2010, by

    Accéder à la configuration et ajouter des langues prises en compte
    Afin de configurer la prise en compte de nouvelles langues, il est nécessaire de se rendre dans la partie "Administrer" du site.
    De là, dans le menu de navigation, vous pouvez accéder à une partie "Gestion des langues" permettant d’activer la prise en compte de nouvelles langues.
    Chaque nouvelle langue ajoutée reste désactivable tant qu’aucun objet n’est créé dans cette langue. Dans ce cas, elle devient grisée dans la configuration et (...)

  • XMP PHP

    13 May 2011, by

    Dixit Wikipedia, XMP signifie :
    Extensible Metadata Platform ou XMP est un format de métadonnées basé sur XML utilisé dans les applications PDF, de photographie et de graphisme. Il a été lancé par Adobe Systems en avril 2001 en étant intégré à la version 5.0 d’Adobe Acrobat.
    Étant basé sur XML, il gère un ensemble de tags dynamiques pour l’utilisation dans le cadre du Web sémantique.
    XMP permet d’enregistrer sous forme d’un document XML des informations relatives à un fichier : titre, auteur, historique (...)

On other websites (11970)

  • Fffmpeg drawtext filter creating large output file size and taking high cpu?

    9 July 2019, by theburningfire

    I have a video input file on which i am drawing a user porvided text on it. I am able to draw text on video file using drawtext filter of ffmpeg and it works file, but main issue arises with ffmpeg command.

    That is when i run my ffmpeg command then three things happens:-
    1. The output video file size is larger then input file size.
    2. The output video file loses quality of video than input video file.
    3. The cpu is going very high.

    The ffmpeg command that is am using is-

    ffmpeg -i input1.asf -vf drawtext="fontfile=/path/to/font.ttf: \text='Stack Overflow': fontcolor=white: fontsize=24: box=1: boxcolor=black@0.5: \boxborderw=5: x=10: y=10" -codec:a copy IndVsNZ.asf

    for avoiding video quality lose i had use this parameter "-c:v libx264 -crf 20".

    what is am trying to achieve is that i can drawtext on my video file without losing quality,same output file size as input file and low cpu(because it hangs my system).

    I have tried various solutions on internet but cant found problem to this. If any link related to this please share. i am new to ffmpeg.

    Thankyou!

  • Linux fast high res audio + video recording

    7 August 2020, by majif24810

    I am trying to record at least 1280X720 webcam plus its audio. ffmpeg is terribly slow with such resolution, even vlc get 15FPS. CPU usage is low during these attempts. I know webcamera can give 1280X720 at 30fps - it works with C++ OpenCV smoothly. My question is - how do I record at higher resolution smoothly both audio and video? Btw, I am making a sort of CCTV program.

    


  • how to use command line to stitch two wav together using ffmpeg in linux?

    10 October 2018, by spartaslave

    I have installed ffmpeg on debian and I tried the two command lines.
    There are two files under the same directory, they are first.wav and second.wav
    The first method is to create a txt file, inside a.txt, they are

    file 'first.wav'
    
file 'second.wav'

    I have run

    ffmpeg -f concat -i a.txt -c copy final.wav

    then I run it, it could work fine.
    But I want to try another method,
    which is

    ffmpeg -i "concat:first.wav|second.wav" -c copy final2.wav

    there is not error with the sdcond command line, but it only capture the first file and the length of final2.wav is almost same as first.wav. File second.wav is not stitched at all.
    As I am using golang to execute the command line, I want to use

    cmd := exec.Command("ffmpeg",args)

    to stitch the medias together, I can read all the media files into an array, but this API cannot work for the array, so I want to stitch the files together to

    "concat:file1.wav|file2.wav|file3.wav|......"

    in this case it could be easy to stitch the files together and I do not need to loop the cmd.
    like

    cmd = exec.Command("ffmpeg","-i","concat:first.wav|second.wav|third.wav|......","-c","copy","final2.wav")

    I do not want to create any extra files like a.txt file as I need to delete it later and this may also touch the permission.
    So is there any possible solution for the second command line?

Browsing