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Autres articles (23)
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La file d’attente de SPIPmotion
28 novembre 2010, parUne file d’attente stockée dans la base de donnée
Lors de son installation, SPIPmotion crée une nouvelle table dans la base de donnée intitulée spip_spipmotion_attentes.
Cette nouvelle table est constituée des champs suivants : id_spipmotion_attente, l’identifiant numérique unique de la tâche à traiter ; id_document, l’identifiant numérique du document original à encoder ; id_objet l’identifiant unique de l’objet auquel le document encodé devra être attaché automatiquement ; objet, le type d’objet auquel (...) -
Contribute to documentation
13 avril 2011Documentation is vital to the development of improved technical capabilities.
MediaSPIP welcomes documentation by users as well as developers - including : critique of existing features and functions articles contributed by developers, administrators, content producers and editors screenshots to illustrate the above translations of existing documentation into other languages
To contribute, register to the project users’ mailing (...) -
Ajouter notes et légendes aux images
7 février 2011, parPour pouvoir ajouter notes et légendes aux images, la première étape est d’installer le plugin "Légendes".
Une fois le plugin activé, vous pouvez le configurer dans l’espace de configuration afin de modifier les droits de création / modification et de suppression des notes. Par défaut seuls les administrateurs du site peuvent ajouter des notes aux images.
Modification lors de l’ajout d’un média
Lors de l’ajout d’un média de type "image" un nouveau bouton apparait au dessus de la prévisualisation (...)
Sur d’autres sites (3644)
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FFMPEG works in command line but not in exec(), it returns 127
26 février 2015, par Felipe SchenoneThe command is
ffmpeg -i path/to/video.avi path/to/video.mpg
and it works fine from the command line. However, when I call it with PHPs
exec()
, the return value is 127, it doesn’t seem to detect FFMPEG. What am I doing wrong ? I’m in localhost and the safe mode is off, but I’m new to both FFMPEG andexec()
, so it may be a noob mistake. Thanks in advance. -
In ffmpeg command-line, how to show all filter settings and their parameters before encoding ?
7 décembre 2023, par F.X.Is there a way to force the
ffmpeg
command-line to display a comprehensive list of all filters and their parameters, even those that are applied automatically like-vf scale
?

(EDIT : To clarify, I do not mean filter documentation, but rather displaying filters that are instantiated at runtime for a particular command-line, just before transcoding starts. The goal of this is mostly checking that ffmpeg is indeed doing the right thing and not inserting/changing filters when I do not intend it to.)


There are a few options available, but none are comprehensive enough. For example :


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- The
lavfi
module has adumpgraph
option (here) but only if you're usinglavfi
. - The
-sws_flags print_info
option (here) can be used to determine if-vf scale
is applied automatically and shows a subset of its parameters, but not all of them.






Additionally, this question appears related the answer doesn't answer what I'm looking for.


Are there better ways to achieve that ?


- The
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What is the commmand line to record destop screen with watermark using ffmpeg ?
11 septembre 2020, par Yong JuI tried to record screen using ffmpeg commmand line. So, I have complete it using this commmand.
ffmpeg.exe -rtbufsize 1500M -f -y -rtbufsize 100M -f gdigrab -t 00:02:00 -framerate 30 0 0 -probesize 10M 1920 1080 -draw_mouse 1 -i desktop -c:v libx264 -r 30 -preset ultrafast -tune zerolatency -crf 30 -pix_fmt yuv420p output.avi".


Now, I want to add watermark while recording video.
If you have good experience this field, Please give me good advice.
Thanks for your attention.
Sincerely.