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Médias (1)
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Revolution of Open-source and film making towards open film making
6 octobre 2011, par
Mis à jour : Juillet 2013
Langue : English
Type : Texte
Autres articles (111)
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Les tâches Cron régulières de la ferme
1er décembre 2010, parLa gestion de la ferme passe par l’exécution à intervalle régulier de plusieurs tâches répétitives dites Cron.
Le super Cron (gestion_mutu_super_cron)
Cette tâche, planifiée chaque minute, a pour simple effet d’appeler le Cron de l’ensemble des instances de la mutualisation régulièrement. Couplée avec un Cron système sur le site central de la mutualisation, cela permet de simplement générer des visites régulières sur les différents sites et éviter que les tâches des sites peu visités soient trop (...) -
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 -
Script d’installation automatique de MediaSPIP
25 avril 2011, parAfin de palier aux difficultés d’installation dues principalement aux dépendances logicielles coté serveur, un script d’installation "tout en un" en bash a été créé afin de faciliter cette étape sur un serveur doté d’une distribution Linux compatible.
Vous devez bénéficier d’un accès SSH à votre serveur et d’un compte "root" afin de l’utiliser, ce qui permettra d’installer les dépendances. Contactez votre hébergeur si vous ne disposez pas de cela.
La documentation de l’utilisation du script d’installation (...)
Sur d’autres sites (11745)
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Embed a Youtube with a MP4 File as poster
29 août 2021, par adamplI want to embed a youtube video with a 10 second silent looping MP4 file as the poster.


Currently, I am using the Wordpress video shortcode with my MP4 as the poster source, it works on some browsers but not all. Can anyone help ? I would prefer to find a pure HTML solution separate to the wordpress shortcode as I will need to get this to work on other CMSs.


[video src="https://www.youtube.com/watch?v=[videoID]" poster=<video autoplay="autoplay" loop="loop" muted="muted" playsinline="playsinline">
 <source src="/wp-content-directory/intro.mp4" type="video/mp4">
</source></video>]



What i have found is to get a looping MP4 work on all browsers, I have to use this tag with the autoplay loop muted and playsinline


<video autoplay="autoplay" loop="loop" muted="muted" playsinline="playsinline">
<source src="/directory/intro.mp4" type="video/mp4">
</source></video>



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ffmpeg autodetect and cut black bars on video [closed]
30 octobre 2024, par some_vasyaFILE_SRC="$HOME/some.mp4"
CROP=$(ffmpeg -ss 00:00:15 -i "${FILE_SRC}" -t 00:00:30 -vsync vfr -vf fps=1/2,cropdetect -f null - 2>&1 | awk '/crop/ { print $NF }' | tr ' ' '\n' | sort | uniq -c | sort -n | tail -1 | awk '{ print $NF }')

# before converting, need to check
fplay -vf "${CROP}" # <-- the black stripes remain




Question : how to remove black bars in video correctly so that you can watch video on TV without black bars, taking into account the definition of bars ? I am interested in a solution using ffmpeg, and not other means


I tried to find a solution to work in automatic mode, but I didn't find it


I="$@"
X=${I##*.}
O=${I%.*}_zoomed.${X}
f=$(which ffmpeg 2>/dev/null)
echo ${I}
C=$($f -i "$I" -t 1 -vf cropdetect -f null - 2>&1|awk '/crop/{print $NF}'|tail -n1)
echo "${C}"
echo $f -i "$I" -vf "$C" "$O"; $f -i "$I" -vf "$C" "$O"



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My FFMPEG throws me unexpected errors while writing a Thumbnail to the songs
4 mars 2019, par Harmonised7I am using Node to execute my ffmpeg. I use this wrapper :
https://www.npmjs.com/package/ffmpeg
Everything was fine when I was using smaller versions of the thumbnails provided by Youtube, but when I attempted the HD ones, it suddenly started giving me an error. I’ve tried -pix_fmt yuv422p and Many other pixel formats, but nothing helped. Though ONE out of 100+ songs did tag successfully.
here is my code :
downloadTags(tags.thumbnail, `./thumbnails/${tags.title}.jpg`).then(thumbnail =>
{
video.addCommand('-i', `"${thumbnail}"`);
video.addCommand('-map', '0');
video.addCommand('-map', '1');
video.addCommand('-c', 'copy');
video.addCommand('-c:v:1', 'png');
video.addCommand('-disposition:v:0', 'attached_pic');
if(tags.title)
video.addCommand('-metadata', `title="${tags.title}"`);
if(tags.artist)
video.addCommand('-metadata', `artist="${tags.artist}"`);
if(tags.id)
video.addCommand('-metadata', `comment="https://www.youtube.com/watch?v=${tags.id}"`);
video.addCommand('-pix_fmt', `yuv422p`);
var output = 'downloaded'
if (outFolder)
{
output = outFolder;
if(!fs.existsSync(output)) fs.mkdirSync(output);
}
video.save(`"./${output}/${tags.title}.${tags.format}"`, function (error, file)
{
if (error)
{
resolve(error);
return
}
try
{
fs.unlinkSync(song);
}
catch(err)
{
console.log(err.code);
}
resolve();
});
});
}and here is my error :
E
RROR: Error: Command failed: ffmpeg -i "songs/&I feat. Giggly Maria - Dive (Exiark's Endless Sky Remix) [Chillstep].m4a" -y -i "./thumbnails/&I feat. Giggly Maria - Dive (Exiark's Endless Sky Remix) [Chillstep].jpg" -map 0 -map 1 -c copy -c:v:1 png -disposition:v:0 attached_pic -metadata title="&I feat. Giggly Maria - Dive (Exiark's Endless Sky Remix) [Chillstep]" -metadata artist="AReallyLongAndAwesomeNameThatIsBetterThanYoursInEveryPossibleWay" -metadata comment="https://www.youtube.com/watch?v=HprdvIIpR-I" "./written/&I feat. Giggly Maria - Dive (Exiark's Endless Sky Remix) [Chillstep].m4a"
ffmpeg version N-93214-g7e4d3dbe18 Copyright (c) 2000-2019 the FFmpeg developers
built with gcc 8.2.1 (GCC) 20190212
configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt
libavutil 56. 26.100 / 56. 26.100
libavcodec 58. 47.102 / 58. 47.102
libavformat 58. 26.101 / 58. 26.101
libavdevice 58. 6.101 / 58. 6.101
libavfilter 7. 48.100 / 7. 48.100
libswscale 5. 4.100 / 5. 4.100
libswresample 3. 4.100 / 3. 4.100
libpostproc 55. 4.100 / 55. 4.100
[mov,mp4,m4a,3gp,3g2,mj2 @ 000002213366bb00] stream 0, timescale not set
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'songs/&I feat. Giggly Maria - Dive (Exiark's Endless Sky Remix) [Chillstep].m4a':
Metadata:
major_brand : M4A
minor_version : 512
compatible_brands: isomiso2
title : &I feat. Giggly Maria - Dive (Exiark's Endless Sky Remix) [Chillstep]
artist : Cider Party
encoder : Lavf58.18.104
comment : https://www.youtube.com/watch?v=HprdvIIpR-I
Duration: 00:05:24.80, start: 0.000000, bitrate: 127 kb/s
Stream #0:0(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 125 kb/s (default)
Metadata:
handler_name : SoundHandler
Stream #0:1: Video: mjpeg (Baseline), yuvj420p(pc, bt470bg/unknown/unknown), 120x90 [SAR 1:1 DAR 4:3], 90k tbr, 90k tbn, 90k tbc
Input #1, image2, from './thumbnails/&I feat. Giggly Maria - Dive (Exiark's Endless Sky Remix) [Chillstep].jpg':
Duration: 00:00:00.04, start: 0.000000, bitrate: 1575 kb/s
Stream #1:0: Video: mjpeg (Baseline), yuvj420p(pc, bt470bg/unknown/unknown), 480x360 [SAR 1:1 DAR 4:3], 25 tbr, 25 tbn, 25 tbc
Stream mapping:
Stream #0:0 -> #0:0 (copy)
Stream #0:1 -> #0:1 (copy)
Stream #1:0 -> #0:2 (mjpeg (native) -> png (native))
Press [q] to stop, [?] for help
[swscaler @ 00000221353d4fc0] deprecated pixel format used, make sure you did set range correctly
[ipod @ 00000221336703c0] Could not find tag for codec png in stream #2, codec not currently supported in container
Could not write header for output file #0 (incorrect codec parameters ?): Invalid argument
Error initializing output stream 0:2 --
Conversion failed!Keep in mind that All of my thumbnails retrieved are .jpg
Any suggestions ? Getting really desperate at this point...