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  • Participer à sa traduction

    10 avril 2011

    Vous pouvez nous aider à améliorer les locutions utilisées dans le logiciel ou à traduire celui-ci dans n’importe qu’elle nouvelle langue permettant sa diffusion à de nouvelles communautés linguistiques.
    Pour ce faire, on utilise l’interface de traduction de SPIP où l’ensemble des modules de langue de MediaSPIP sont à disposition. ll vous suffit de vous inscrire sur la liste de discussion des traducteurs pour demander plus d’informations.
    Actuellement MediaSPIP n’est disponible qu’en français et (...)

  • Supporting all media types

    13 avril 2011, par

    Unlike most software and media-sharing platforms, MediaSPIP aims to manage as many different media types as possible. The following are just a few examples from an ever-expanding list of supported formats : images : png, gif, jpg, bmp and more audio : MP3, Ogg, Wav and more video : AVI, MP4, OGV, mpg, mov, wmv and more text, code and other data : OpenOffice, Microsoft Office (Word, PowerPoint, Excel), web (html, CSS), LaTeX, Google Earth and (...)

  • Ajouter notes et légendes aux images

    7 février 2011, par

    Pour pouvoir ajouter notes et légendes aux images, la première étape est d’installer le plugin "Légendes".
    Une fois le plugin activé, vous pouvez le configurer dans l’espace de configuration afin de modifier les droits de création / modification et de suppression des notes. Par défaut seuls les administrateurs du site peuvent ajouter des notes aux images.
    Modification lors de l’ajout d’un média
    Lors de l’ajout d’un média de type "image" un nouveau bouton apparait au dessus de la prévisualisation (...)

Sur d’autres sites (7282)

  • libavdevice/gdigrab : fix ffmpeg -devices doesn't show gdigrab

    17 mai 2019, par Jun Zhao
    libavdevice/gdigrab : fix ffmpeg -devices doesn't show gdigrab

    missed the category AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT lead to
    
ffmpeg -devices doesn't show gdigrab as a input device
    

    FIx #7848
    

    Found-by : dangibson
    
Reviewed-by : Paul B Mahol <onemda@gmail.com>
    
Signed-off-by : Jun Zhao <barryjzhao@tencent.com>
    • [DH] libavdevice/gdigrab.c

  • Direct Show Video capture performance

    23 mai 2019, par Barry Andrews

    I originally started out looking for an example of how I can use FFMPEG in c++ builder to create an application to record from usb capture device and playback video because of apparrent poor performance

    I tried Mitov components, Datastead, FFMPEGVCL and winsoft camera which use directshow but their capture performance seemed poor.

    I need to capture 1920x1080 at up to 60fps into a compressed format and play this back later at both normal speed and slow speed.

    What I found was that DirectShow itself has a number of limitations which can be improved by adding things like FFMPEG, but ultimately PC hardware, in particular the HDD and processor limit capture capability.

    1920x1080 60fps is basically the upper end for DirectShow so you need to have best performing hardware in order to achieve this sort of performance @Spektre kindly gave me examples of DirectShow using the API direct which were good for comparison with the purchased components.

    Using this and comparing to the components I found that MITOV has a major issue with regards the larger video sizes and frame rates. Using this 1920x108 30fps and 60fps can be previewed but they have a massive delay between video feed and preview (5 or 6 seconds). The other components performed similar to the API direct method with only minor variations in performance. None were able to capture and record 1920x108 60fps with any sort of compression filter without large frame drops and very jerky preview.

  • How to show video (no audio) from ffmpeg via RTP in VLC ?

    15 juillet 2019, par Sagi Mann

    I’m trying to stream RTP (video only) from ffmpeg to VLC :

    ffmpeg -stream_loop -1 -i video.mp4 -vcodec copy -an -f rtp rtp://0.0.0.0:1235

    In VLC app, I do file -> "open network" and set the url to rtp ://@:1235.
    But I get an error :

    SDP required
    
A description in SDP format is required to receive the RTP stream.
    
Note that rtp:// URIs cannot work with dynamic RTP payload format (96).

    What am I doing wrong ? I see in ffmpeg’s output that SDP is being generated :

    SDP:
    
v=0
    
o=- 0 0 IN IP4 127.0.0.1
    
s=No Name
    
c=IN IP4 0.0.0.0
    
t=0 0
    
a=tool:libavformat 58.20.100
    
m=video 1235 RTP/AVP 96
    
b=AS:1205
    
a=rtpmap:96 H264/90000
    
a=fmtp:96 packetization-mode=1; sprop-parameter-sets=Z01AH9oBQBbsBEAAAAMAQAAADIPGDKg=,aO88gA==; profile-level-id=4D401F

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