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Richard Stallman et le logiciel libre
19 octobre 2011, par
Mis à jour : Mai 2013
Langue : français
Type : Texte
Autres articles (56)
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Publier sur MédiaSpip
13 juin 2013Puis-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 -
Supporting all media types
13 avril 2011, parUnlike 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 (...)
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MediaSPIP Player : les contrôles
26 mai 2010, parLes contrôles à la souris du lecteur
En plus des actions au click sur les boutons visibles de l’interface du lecteur, il est également possible d’effectuer d’autres actions grâce à la souris : Click : en cliquant sur la vidéo ou sur le logo du son, celui ci se mettra en lecture ou en pause en fonction de son état actuel ; Molette (roulement) : en plaçant la souris sur l’espace utilisé par le média (hover), la molette de la souris n’exerce plus l’effet habituel de scroll de la page, mais diminue ou (...)
Sur d’autres sites (8013)
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why I can't compile x264 or ffmpeg downloaded from git [closed]
4 avril 2013, par Monjura RumiIt has been just a few days that I am using x264, ffmpeg and trying to take help from codes in git. I am always having some peculiar problem. It seems like no one or few people faced such problems. Here is one of those problems. If I download x264 or ffmpeg using git then I could not compile that source code. At first terminal will show
./configure: Permission denied
. Then If I change permission of configure file usingchmod 755
command then it will show./configure: /bin/bash^M: bad interpreter: No such file or directory
. To build x264 and ffmpeg I have followed this link https://github.com/lince/libffmpeg-c/wiki. My attempt to compile x264 has failed. Can you please tell me how can one use source code downloaded from git ? -
How to speed up, adjust color, Crop, Scale and Mix two audio inputs into a video by FFMpeg ? [closed]
7 janvier 2024, par ReachHow to speed up, adjust color, Crop, Scale and Mix two audio inputs into a video by FFMpeg ?
When run not show result


I try to change some function in filter_complex but not work or show result when run.
My goal want mix one audio to one video and apply some filter like hflip, crop, scale, speed up and adjust color for video.


My command :


ffmpeg -y -i "%%a" -i "sound\123.mp3" -c:v copy -filter_complex "[0:v]hflip,crop=720:720,scale=1080 :-1,eq=saturation=1.3,eq=brightness=0.06:saturation=2,setpts=0.8*PTS[v] ;[0:a]atempo=(1/0.8)[a],[0:a][1:a] amix=inputs=2:duration=longest [audio_out]" -map "[v]" -map "[a]" -c:v -map 0:v -map "[audio_out]" h264_nvenc "output%% na.mp4


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Yes or no, will ffmpeg api do hardware decoding on iOS ?
15 janvier 2019, par FattieThere seems to be conflicting information on this.
https://trac.ffmpeg.org/wiki/HWAccelIntro
notice the first diagram, it firmly marks iOS as “Y” on VideoToolbox
however in the comments down the bottom it says
VideoToolbox. VideoToolbox, only supported on macOS. H.264 decoding is available in FFmpeg/libavcodec.
And in the confusing second diagram it says "Standalone" is not done for VideoToolbox.
We have found that using ffmpeg compiled in to iOS .... it seems to not use hardware decoding, which is really a pain.
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With
avcodec_get_hw_config()
we getAV_PIX_FMT_VIDEOTOOLBOX
,AV_HWDEVICE_TYPE_VIDEOTOOLBOX
which is seemingly correct. -
But usage and framerates clearly shows everything is being done in CPU. The code is in
ff_hevc_hls_residual_coding
all the time. (That’s fffmpeg’s software decoder.) -
This very diff very long git.videolan.org URL here seems to suggest again it should all be working.
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Have tried every iPhone etc. of course
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