Recherche avancée

Médias (1)

Mot : - Tags -/biomaping

Autres articles (33)

  • XMP PHP

    13 mai 2011, par

    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 (...)

  • Encoding and processing into web-friendly formats

    13 avril 2011, par

    MediaSPIP automatically converts uploaded files to internet-compatible formats.
    Video files are encoded in MP4, Ogv and WebM (supported by HTML5) and MP4 (supported by Flash).
    Audio files are encoded in MP3 and Ogg (supported by HTML5) and MP3 (supported by Flash).
    Where possible, text is analyzed in order to retrieve the data needed for search engine detection, and then exported as a series of image files.
    All uploaded files are stored online in their original format, so you can (...)

  • 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 (6539)

  • How to omit error messages in JSON output in ffprobe ?

    12 juillet 2021, par puneet jain

    While fetching the stream details with ffprobe getting Input buffer exhausted before END element found error. ffprobe gives the requested info but the error is included in the output and creates invalid JSON.

    


    ffprobe -loglevel error -select_streams v:0 -show_entries stream=width,height:stream_tags=rotate -of json testVideo.mp4

{
[aac @ 0x7fc06201cc00] Input buffer exhausted before END element found
    "programs": [

    ],
    "streams": [
        {
            "width": 640,
            "height": 640,
            "tags": {

            }
        }
    ]
}


    


    How to prevent error messages in the JSON output when using ffprobe ?

    


    Here is the video link testVideo.mp4

    


  • Using ffmpeg with chunks of file

    27 juin 2020, par Yashik

    I am trying to download a file as 100mb chunks and I need to convert this using ffmpeg and upload this file to dropbox.
The code I tried :

    


    import os
import requests

#---snip---#

for chunk in r.iter_content(chunksize=chunksize):
  #chunksize is 100mb
  fp = open("a.mp4","wb")
  fp.write(chunk)
  fp.close()
  os.system("ffmpeg -i a.mp4 a.mkv")
  
  #code for uploading


    


    The error is moov atom is not found

    


    1.How can I convert file chunks with ffmpeg ?

    


    2.Can I convert without ever needing to save to a.mp4, like giving chunk directly to ffmpeg ?

    


    Ps : The problem occurs with file size greater than 100mb

    


    Edit :

    


    After converting the file is appended to file in dropbox

    


    What I want :

    


      

    • Sample.mp4 - 200mb

      • 


    • Downloads file as chunks 100mb

      • 


    • Converts the chunk

      • 


    • Upload to drive (multipart)

      • 


    


  • H264 Encoders other than ffmpeg x264

    5 septembre 2016, par 0pcl

    The iPhone app I am working on captures images in series within certain user-defined time interval, I am looking for a way to combine these images into H264 encoded videos. I have done some research on Google, it looks like I will have to use something like ffmpeg/mencoder on iPhone ? (Also found someone ported ffmpeg to iPhone, ffmpeg4iPhone)

    However, I found that x264 is under GPL license, and requires me to open source my project if I use ffmpeg. Also found some people suggested to use Ogg Theora, but I will need to port it to iPhone if I use it. (Which I am not sure how to do it now).

    Is there any workaround for this ? Any ideas ? Thanks.

Navigation