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Autres articles (111)
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Les formats acceptés
28 janvier 2010, parLes commandes suivantes permettent d’avoir des informations sur les formats et codecs gérés par l’installation local de ffmpeg :
ffmpeg -codecs ffmpeg -formats
Les format videos acceptés en entrée
Cette liste est non exhaustive, elle met en exergue les principaux formats utilisés : h264 : H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 m4v : raw MPEG-4 video format flv : Flash Video (FLV) / Sorenson Spark / Sorenson H.263 Theora wmv :
Les formats vidéos de sortie possibles
Dans un premier temps on (...) -
Contribute to translation
13 avril 2011You 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 (...) -
HTML5 audio and video support
13 avril 2011, parMediaSPIP uses HTML5 video and audio tags to play multimedia files, taking advantage of the latest W3C innovations supported by modern browsers.
The MediaSPIP player used has been created specifically for MediaSPIP and can be easily adapted to fit in with a specific theme.
For older browsers the Flowplayer flash fallback is used.
MediaSPIP allows for media playback on major mobile platforms with the above (...)
Sur d’autres sites (8613)
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is it possible to have other text blend effects in ffmpeg other than transparency ? eg multiply or difference
26 mars 2023, par shelbypereiraIn ffmpeg it is straightforward using alpha to set a transparency when using drawtext, but is it possible to have more complex effects ? eg if I want to blend text using difference or multiply ?


I am guessing it is not possible with drawtext directly is it possible to simulate this using other features of ffmpeg ?


The blend functionality is extremely powerful :
https://trac.ffmpeg.org/wiki/Blend


But I don't see how I can add text to a video with drawtext and use those blending options.


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undefined reference to `x264_encoder_open_125'
1er juin 2021, par VishalWhile installing ffmpeg on Ubuntu 12.04



I am getting following error



libavcodec/libavcodec.a(libx264.o): In function `X264_init':
/root/ffmpeg/libavcodec/libx264.c:492: undefined reference to `x264_encoder_open_125'
collect2: ld returned 1 exit status
make: *** [ffmpeg_g] Error 1



I am following the instructions given at 
http://ffmpeg.org/trac/ffmpeg/wiki/UbuntuCompilationGuide



Do anyone have idea about this error ?


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Revision 30403 : Microformatage : ajout de la class ’photo’ sur l’avatar généré, qui ...
1er août 2009, par romy@… — LogMicroformatage : ajout de la class ’photo’ sur l’avatar généré, qui peut donc être utilisé dans une hCard personnelle, cf. : http://microformats.org/wiki/hcard-authoring-fr#Photographies
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