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Autres articles (36)

  • Support de tous types de médias

    10 avril 2011

    Contrairement à beaucoup de logiciels et autres plate-formes modernes de partage de documents, MediaSPIP a l’ambition de gérer un maximum de formats de documents différents qu’ils soient de type : images (png, gif, jpg, bmp et autres...) ; audio (MP3, Ogg, Wav et autres...) ; vidéo (Avi, MP4, Ogv, mpg, mov, wmv et autres...) ; contenu textuel, code ou autres (open office, microsoft office (tableur, présentation), web (html, css), LaTeX, Google Earth) (...)

  • Other interesting software

    13 avril 2011, par

    We don’t claim to be the only ones doing what we do ... and especially not to assert claims to be the best either ... What we do, we just try to do it well and getting better ...
    The following list represents softwares that tend to be more or less as MediaSPIP or that MediaSPIP tries more or less to do the same, whatever ...
    We don’t know them, we didn’t try them, but you can take a peek.
    Videopress
    Website : http://videopress.com/
    License : GNU/GPL v2
    Source code : (...)

  • Keeping control of your media in your hands

    13 avril 2011, par

    The vocabulary used on this site and around MediaSPIP in general, aims to avoid reference to Web 2.0 and the companies that profit from media-sharing.
    While using MediaSPIP, you are invited to avoid using words like "Brand", "Cloud" and "Market".
    MediaSPIP is designed to facilitate the sharing of creative media online, while allowing authors to retain complete control of their work.
    MediaSPIP aims to be accessible to as many people as possible and development is based on expanding the (...)

Sur d’autres sites (7184)

  • Importing FFMPEF Generated file into imovie

    14 mai 2023, par saurav tripathi

    I am generating a .mp4 file using command

    


    ffmpeg  -i input.png -i input.mp3 -vcodec libx264 \ -vf scale=1920:1080,format=yuv420p  -c:v prores_aw movie1.mov


    


    It generate a video. I am able to open the video in quick time player without any problem, but when I try to import the video in imove, the size of the video changes to 0.1s. The length of the generated video from ffmpeg command is about 11 seconds. How do I fix this problem.

    


    I am trying to generate a movie file combining a .png file and a .mp3 file using ffmpeg, I was able to generate a movie which was about 11 seconds, I was able to open the file in quick time players, but when I try to import the video in imovies, or Davinci resolve, then it doesn't shows me an error, but the length of the video turn out to be just 0.1 seconds.

    


  • hap : Set avctx.bits_per_coded_sample

    23 octobre 2015, par Tom Butterworth
    hap : Set avctx.bits_per_coded_sample

    Fixes an issue where alpha is ignored in some players.
    

    Signed-off-by : Vittorio Giovara <vittorio.giovara@gmail.com>
    • [DBH] libavcodec/hapenc.c

  • usb_fill_bulk_urb with less buffer_length gives no garbage Transport stream data

    4 février 2015, par user3570793

    Currently I am working on a DVB-T2 dongle which is connected to my Ubuntu laptop 14.04 using USB

    interface.

    I am using following applications to perform scanning and channel play.
    1. w_scan - which scans and gives me a channel.conf file
    2. vlc ./channel.conf - plays a channel using modulation parameters in channel.conf

    Things work fine when Pid filtering is disabled. But when Pid filtering is enabled, I see

    macroblocks on the screen instead of smooth AV. Even AV is breaking a lot.

    After going through the driver code, I tried increasing the URB buffer size from 3K (21*188) to

    64K (348*188). The AV became smooth.

    This urb buffer size is buffer_length (lenght of transport buffer) in below function.

    void usb_fill_bulk_urb (struct urb * urb, struct usb_device * dev,
    unsigned int pipe, void * transfer_buffer,
    int buffer_length, usb_complete_t complete_fn,
    void * context) ;

    As you can see the driver uses bulk mode of usb transfer.

    Could anyone explain me why increasing the buffer is solving the macroblock issue ?

    Give me some pointers to understand this issue better.

    Thanks in advance,
    Murali

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