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Médias (1)
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The pirate bay depuis la Belgique
1er avril 2013, par
Mis à jour : Avril 2013
Langue : français
Type : Image
Autres articles (54)
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Websites made with MediaSPIP
2 mai 2011, parThis page lists some websites based on MediaSPIP.
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Creating farms of unique websites
13 avril 2011, parMediaSPIP platforms can be installed as a farm, with a single "core" hosted on a dedicated server and used by multiple websites.
This allows (among other things) : implementation costs to be shared between several different projects / individuals rapid deployment of multiple unique sites creation of groups of like-minded sites, making it possible to browse media in a more controlled and selective environment than the major "open" (...) -
Support audio et vidéo HTML5
10 avril 2011MediaSPIP utilise les balises HTML5 video et audio pour la lecture de documents multimedia en profitant des dernières innovations du W3C supportées par les navigateurs modernes.
Pour les navigateurs plus anciens, le lecteur flash Flowplayer est utilisé.
Le lecteur HTML5 utilisé a été spécifiquement créé pour MediaSPIP : il est complètement modifiable graphiquement pour correspondre à un thème choisi.
Ces technologies permettent de distribuer vidéo et son à la fois sur des ordinateurs conventionnels (...)
Sur d’autres sites (6605)
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FFMPEG Adding intro video and scaling it to the original video
10 octobre 2019, par QuestionsI have one intro video of fixed resolution, 1920x1080, and main videos with different resolutions. I could merge the videos using the following command
ffmpeg -i intro.mp4 -i main.mp4 -i intro.mp4 -filter_complex " \
[0:v]scale=640x352,setsar=sar=16/9[intro]; \
[1:v]scale=640x352,setsar=sar=16/9[video]; \
[2:v]scale=640x352,setsar=sar=16/9[outro]; \
[intro][video][outro]concat=n=3[output]; \
[0:a][1:a] acrossfade=d=1 [audio]" \
-vcodec libx264 -map "[output]" -map "[audio]" "main__.mp4"This works perfectly if I specify the scales manually. But this doesn’t work for portrait videos which has resolution of 640x352 with rotation of -90 degrees, when I check them with ffprobe.
Is there a way to scale the intro video dynamically to match the dimensions of the main video ? It’s fine if the intro video’s aspect ratio is distorted, and just retain the main video’s size.
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How to add srt embedded subtitles from source video, to ouput hls playlist video ?
2 mars 2023, par iarwain8aI have a source video "video.mkv" that has srt embedded subtitles, and I want to encode that file into an HLS playlist that is compatible with html5 video player.


So far I got this :

ffmpeg -i <path> -map 0:s:1 -c:s:1 srt -f webvtt <hlsdir>/1subs.vtt -c:a aac_mf -b:a 128k -c:v copy -hls_time 7 -hls_list_size 0 -hls_segment_filename <hlsdir>/segment%d.ts <hlsdir>/playlist.m3u8 -loglevel debug</hlsdir></hlsdir></hlsdir></path>

What this line does, is extract and encode the subtitles at the same time, leaving them in the output folder, also it encodes the audio of the video to aac, and leaves the codec of the video as is.

I tried a bunch of different commands with ffmpeg to no avail, a bunch of different errors came up.
I want to, in the same line, instead of just extracting the subtitles, to also be able to add them to the hls playlist, which I couldn't do.


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Converting MP3 to Video with Single/Multiple images as video with PHPVideoToolkit
8 février 2015, par WasimJust started using PHPVideoToolkit and I’m looking to take an MP3 and convert it to a video. I want to have a single image as the video with the audio playing.
On the Google Code page https://code.google.com/p/phpvideotoolkit/ it says it can
assemble a video stream from a set of separate video images
so I know it’s possible but I cannot figure out how from the GitHub documentation.The documentation found in the
documentation
directory of the repository appear to be empty.Help is much appreciated