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Autres articles (89)
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Pas question de marché, de cloud etc...
10 avril 2011Le vocabulaire utilisé sur ce site essaie d’éviter toute référence à la mode qui fleurit allègrement
sur le web 2.0 et dans les entreprises qui en vivent.
Vous êtes donc invité à bannir l’utilisation des termes "Brand", "Cloud", "Marché" etc...
Notre motivation est avant tout de créer un outil simple, accessible à pour tout le monde, favorisant
le partage de créations sur Internet et permettant aux auteurs de garder une autonomie optimale.
Aucun "contrat Gold ou Premium" n’est donc prévu, aucun (...) -
Automated installation script of MediaSPIP
25 avril 2011, parTo overcome the difficulties mainly due to the installation of server side software dependencies, an "all-in-one" installation script written in bash was created to facilitate this step on a server with a compatible Linux distribution.
You must have access to your server via SSH and a root account to use it, which will install the dependencies. Contact your provider if you do not have that.
The documentation of the use of this installation script is available here.
The code of this (...) -
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 (10578)
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FFMPEG Flutter - Generating video from images not playing on default android video players
17 février 2023, par Abdullah RiazI'm trying to generate a video from multiple image files in FFMPEG Flutter. I'm using https-gpl package.


ffmpeg_kit_flutter_https_gpl: 5.1.0



I'm using this command.


"-f concat -safe 0 -protocol_whitelist file,http,https,tcp,tls,crypto -i $filePath -stream_loop -1 -i $musicFile -vf 'scale=3840:2880:force_original_aspect_ratio=decrease,pad=3840:2880:(ow-iw)/2:(oh-ih)/2,setsar=1' -r 6 -c:v libx264 -crf 40 -profile:v main -preset veryfast -pix_fmt yuv420p -t $totalTime $outputFilePath"



Where you can clearly see, I'm encoding video in
libx264
withyuv420p
.

The thing is, the video is created successfully and played smoothly on the VLC. But it doesn't show anything on normal/default android video players although it plays the audio.


I've tried multiple things but all failed to run video on default android video players. I've even tried multiple android phones.
What am I doing wrong here ?


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FFMPEG Flutter - Generating video from images not playing on default android video players
17 février 2023, par Abdullah RiazI'm trying to generate a video from multiple image files in FFMPEG Flutter. I'm using https-gpl package.


ffmpeg_kit_flutter_https_gpl: 5.1.0



I'm using this command.


"-f concat -safe 0 -protocol_whitelist file,http,https,tcp,tls,crypto -i $filePath -stream_loop -1 -i $musicFile -vf 'scale=3840:2880:force_original_aspect_ratio=decrease,pad=3840:2880:(ow-iw)/2:(oh-ih)/2,setsar=1' -r 6 -c:v libx264 -crf 40 -profile:v main -preset veryfast -pix_fmt yuv420p -t $totalTime $outputFilePath"



Where you can clearly see, I'm encoding video in
libx264
withyuv420p
.

The thing is, the video is created successfully and played smoothly on the VLC. But it doesn't show anything on normal/default android video players although it plays the audio.


I've tried multiple things but all failed to run video on default android video players. I've even tried multiple android phones.
What am I doing wrong here ?


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When using MoviePy to resize a video how do I know what bitrate to use to maintain quality when writing the new video to disk
4 juillet 2016, par MichaelExpanding on this question How To Resize a Video Clip Python about using MoviePy to resize a video.
When it comes time to write the resized video to disk
How do I select a bitrate value so there is as little loss of quality as possible ?The original video is 4.8M on disk and is
.mp4
Bit rate set when writing to disk
clip_resized.write_videofile(ResizedClip,bitrate="5000k")
Gives a file of 8.3MB in size
No bit rate set
clip_resized.write_videofile(ResizedClip)
Gives a file of 3.3MB