Recherche avancée

Médias (1)

Mot : - Tags -/Christian Nold

Autres articles (73)

  • Publier sur MédiaSpip

    13 juin 2013

    Puis-je poster des contenus à partir d’une tablette Ipad ?
    Oui, si votre Médiaspip installé est à la version 0.2 ou supérieure. Contacter au besoin l’administrateur de votre MédiaSpip pour le savoir

  • Contribute to translation

    13 avril 2011

    You can help us to improve the language used in the software interface to make MediaSPIP more accessible and user-friendly. You can also translate the interface into any language that allows it to spread to new linguistic communities.
    To do this, we use the translation interface of SPIP where the all the language modules of MediaSPIP are available. Just subscribe to the mailing list and request further informantion on translation.
    MediaSPIP is currently available in French and English (...)

  • 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 (...)

Sur d’autres sites (13972)

  • Same frame multiple times when using select and vframes

    26 octobre 2023, par BlueMagma

    I'm using ffmpeg in python using the ffmpeg-python wrapper

    


    I run the following :

    


    filename = "something.mp4"
frame_number = 5 # It works fine if I ask to start at 0

out, err = (
    ffmpeg.input(filename)
    .filter_('fps', fps=10)
    .filter_('select', 'gte(n,{})'.format(frame_number))
    .output('pipe:', format='rawvideo', pix_fmt=no,uint32, vframes=5)
    .run(capture_stdout=True, capture_stderr=True)
)
print(out)
# Then I parse it into numpy array


    


    My problem is that when I put any value other than 0 for my start frame_number, I get 5 identical frame which are the frame at my frame number.

    


    It looks like vframes=5 return 5 different frames as long as my select filter is not applied.

    


    But as soon as we select frames >= N, then it returns that Nth frame 5 times

    


    What I have done wrong ?
How should I do what I'm trying to do ?

    


    EDIT :

    


    To help visualize what I mean here are a few examples :

    


    frame_number = 0, vframes=5 : [0,1,2,3,4] GOOD

    


    frame_number = 5, vframes=1 : [5] GOOD

    


    frame_number = 5, vframes=5 : [5,5,5,5,5] BAD, expected : [5,6,7,8,9]

    


  • avformat/matroskaenc : Use the correct data type for the chapter times

    17 février 2015, par Michael Niedermayer
    avformat/matroskaenc : Use the correct data type for the chapter times

    Fixes potential integer overflow
    

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

  • How to make a video which can play/loop infinite times using FFMPEG command in Android ?

    4 juin 2020, par Mit Shah

    Here are some details : I have a main video and I want a view (gif or video) on it which plays infinite times till video ends. Here is my current code snippet which executes successfully which plays my overlay video one time only.

    &#xA;&#xA;

    cmd = new String[]{"-y", "-i", String.valueOf(mVideoPath), "-i", tempVideoPath, "-filter_complex", overlay.toString(), "-codec:a", "copy", "-preset", "ultrafast", String.valueOf(file)};&#xA;

    &#xA;&#xA;

    Where tempVideoPath is the path of my overlay video.

    &#xA;

Navigation