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Autres articles (112)
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Les vidéos
21 avril 2011, parComme les documents de type "audio", Mediaspip affiche dans la mesure du possible les vidéos grâce à la balise html5 .
Un des inconvénients de cette balise est qu’elle n’est pas reconnue correctement par certains navigateurs (Internet Explorer pour ne pas le nommer) et que chaque navigateur ne gère en natif que certains formats de vidéos.
Son avantage principal quant à lui est de bénéficier de la prise en charge native de vidéos dans les navigateur et donc de se passer de l’utilisation de Flash et (...) -
MediaSPIP version 0.1 Beta
16 avril 2011, parMediaSPIP 0.1 beta est la première version de MediaSPIP décrétée comme "utilisable".
Le fichier zip ici présent contient uniquement les sources de MediaSPIP en version standalone.
Pour avoir une installation fonctionnelle, il est nécessaire d’installer manuellement l’ensemble des dépendances logicielles sur le serveur.
Si vous souhaitez utiliser cette archive pour une installation en mode ferme, il vous faudra également procéder à d’autres modifications (...) -
Encoding and processing into web-friendly formats
13 avril 2011, parMediaSPIP automatically converts uploaded files to internet-compatible formats.
Video files are encoded in MP4, Ogv and WebM (supported by HTML5) and MP4 (supported by Flash).
Audio files are encoded in MP3 and Ogg (supported by HTML5) and MP3 (supported by Flash).
Where possible, text is analyzed in order to retrieve the data needed for search engine detection, and then exported as a series of image files.
All uploaded files are stored online in their original format, so you can (...)
Sur d’autres sites (11079)
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Livestreaming screencast to Youtube through ffmpeg doesn't show video even though data is received [duplicate]
15 novembre 2017, par CindyRabbitThis question already has an answer here :
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YouTube live says not receiving data
1 answer
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adding silent audio in ffmpeg
4 answers
I am trying to livestream my Desktop in Ubuntu to Youtube and used this cmd. Youtube livestream showed green bar with "Receiving your data" and Youtube log also showed "Stream healthy", however no video showed up in Youtube player, and after a short while Youtube log said "Stream complete". What’s missing in my cmd ?
ffmpeg -f x11grab -r 10 -s 1024x720 -i :0.0 -vcodec libx264 -pix_fmt yuv420p -preset ultrafast -g 20 -b:v 2500k -threads 0 -bufsize 512k -f flv rtmp ://a.rtmp.youtube.com/live2/myKey
BTW, only screencasting doesn’t work for me, streaming a video file works for me.
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YouTube live says not receiving data
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Powerpoint can't show a video with headers. I see green screen
28 novembre 2017, par zinonI’ve created a video using ffmpeg that contains headers.
My script for creating it is :
ffmpeg.exe -f rawvideo -vcodec rawvideo -s 560x448 -r 40 -pix_fmt yuv420p -i C_L_560x448_40_static_maxSSIM_QP23_B2.yuv -vcodec rawvideo -qscale 0 -filter_complex "drawtext=fontsize=32: fontfile=FreeSerif.ttf: text='SSIM=0.961': x=(w-tw)/2: y=(lh/2): fontcolor=orange, drawtext=fontsize=22: fontfile=FreeSerif.ttf: text='Bitrate≤1800 [1873 kbps], Frame rate≥40 [43.98 fps]': x=(w-tw)/2: y=(lh/2+30): fontcolor=orange : box=1: boxcolor=0x00000099, drawbox=x=80:y=160:w=220:h=135:color=red@0.5" C_L_560x448_40_static_maxSSIM_QP23_B2_new.avi
Firstly, media player showed it as green screen. I downloaded
Media Player Codec Pack
and now show its correclty.
However, when I insert it in
powerpoint 2016
I have the same problem of green screen. Do you know how to fix this ?vlc
player can play it correctly. Is there any way to change the player of excel and use vlc player instead ? -
lavfi/deinterlace_vaapi : fix can't show full option information.
16 janvier 2018, par Jun Zhaolavfi/deinterlace_vaapi : fix can't show full option information.
use ffmpeg -h filter=deinterlace_vaapi can't get full help information,
the root cause is not setting the flags fileld in options.Signed-off-by : Jun Zhao <jun.zhao@intel.com>
Signed-off-by : Michael Niedermayer <michael@niedermayer.cc>