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Autres articles (61)

  • Creating farms of unique websites

    13 avril 2011, par

    MediaSPIP platforms can be installed as a farm, with a single "core" hosted on a dedicated server and used by multiple websites.
    This allows (among other things) : implementation costs to be shared between several different projects / individuals rapid deployment of multiple unique sites creation of groups of like-minded sites, making it possible to browse media in a more controlled and selective environment than the major "open" (...)

  • Les autorisations surchargées par les plugins

    27 avril 2010, par

    Mediaspip core
    autoriser_auteur_modifier() afin que les visiteurs soient capables de modifier leurs informations sur la page d’auteurs

  • List of compatible distributions

    26 avril 2011, par

    The table below is the list of Linux distributions compatible with the automated installation script of MediaSPIP. Distribution nameVersion nameVersion number Debian Squeeze 6.x.x Debian Weezy 7.x.x Debian Jessie 8.x.x Ubuntu The Precise Pangolin 12.04 LTS Ubuntu The Trusty Tahr 14.04
    If you want to help us improve this list, you can provide us access to a machine whose distribution is not mentioned above or send the necessary fixes to add (...)

Sur d’autres sites (10883)

  • FFMPEG reports different (wrong) video resolution compared to how it actually plays

    30 mars 2015, par Emiliano

    Quick question, i have a movie, which was cut and rendered with Sony Vegas from its original format to a .wmv file. Here comes the tricky part, movie when played, either with VLC or WMP, has a resolution of 656x480 ... BUT when i run a ffmpeg -i on it, it says it has a resolution of 600x480 ....

    I took the time of actually capturing a frame and croping it with photoshop and its 656 and not 600 like ffmpeg its reporting, why would this could be happening ? How could i fix the headers resolution ? Would that have any impact on video re-rendering ? As i said, VLC and WMP seems not to care about the incorrect headers and are playing it right, BUT, jwplayer seems to be using the header information, which i don’t blame him, its correct to do that, but why the video headers could be wrong ?

    ffmpeg -i trailer.wmv
    Input #0, asf, from ’trailer.wmv’ :
Duration : 00:01:04.93, start : 3.000000, bitrate : 2144 kb/s
Stream #0.0 : Audio : wmav2, 44100 Hz, mono, 32 kb/s
Stream #0.1 : Video : wmv3, yuv420p, 600x480 [PAR 59:54 DAR 295:216], 2065 kb/
s, 25.00 tb(r)

    And yeah, the PAR/DAR parameters are also wrong, but honestly, i don’t understand that technical shit, usually watch video and make sure it look good, any feedback would be appreciated :P

    Is there a way to change the container information with ffmpeg so applications that actually do use the container information don’t render video incorrectly ?

  • How to increase resolution in ffmpeg with rawvideo [closed]

    2 novembre 2020, par Jamie Hutber

    I am using my DSLR with loopback to use as a webcam, however the resolution is locked at 640x426 and I cannot seem to find a way to make this larger as the stream itself is 1080p from the camera.

    


    sudo modprobe v4l2loopback video_nr=2 exclusive_caps=1,1,1 card_label='Screenshare' && gphoto2 --stdout --capture-movie | ffmpeg -i - -vcodec rawvideo -pix_fmt yuv420p -threads 0 -f v4l2 /dev/video2


    


  • How can I upscale videos with FFmpeg to a fixed resolution ?

    30 juillet 2020, par Tobias

    Resolution of an example video : 640x788

    


    Desired resolution of the new video : 1920x1080

    


    The aspect ratio of the video should be kept (the area left & right should be filled black).

    


    My current call looks like this : ffmpeg -i input.mp4 -s 1920x1080 -r 60 -aspect 1:1 -strict experimental output.mp4. The problem here is that the video is sometimes made narrower / wider (aspect ratio is not kept).

    


    Since I am no FFmpeg expert I hope for help here (maybe there is a padding property ?)

    


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