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Médias (1)
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Richard Stallman et le logiciel libre
19 octobre 2011, par
Mis à jour : Mai 2013
Langue : français
Type : Texte
Autres articles (43)
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List of compatible distributions
26 avril 2011, parThe table below is the list of Linux distributions compatible with the automated installation script of MediaSPIP. Distribution nameVersion nameVersion number Debian Squeeze 6.x.x Debian Weezy 7.x.x Debian Jessie 8.x.x Ubuntu The Precise Pangolin 12.04 LTS Ubuntu The Trusty Tahr 14.04
If you want to help us improve this list, you can provide us access to a machine whose distribution is not mentioned above or send the necessary fixes to add (...) -
Formulaire personnalisable
21 juin 2013, parCette page présente les champs disponibles dans le formulaire de publication d’un média et il indique les différents champs qu’on peut ajouter. Formulaire de création d’un Media
Dans le cas d’un document de type média, les champs proposés par défaut sont : Texte Activer/Désactiver le forum ( on peut désactiver l’invite au commentaire pour chaque article ) Licence Ajout/suppression d’auteurs Tags
On peut modifier ce formulaire dans la partie :
Administration > Configuration des masques de formulaire. (...) -
Amélioration de la version de base
13 septembre 2013Jolie sélection multiple
Le plugin Chosen permet d’améliorer l’ergonomie des champs de sélection multiple. Voir les deux images suivantes pour comparer.
Il suffit pour cela d’activer le plugin Chosen (Configuration générale du site > Gestion des plugins), puis de configurer le plugin (Les squelettes > Chosen) en activant l’utilisation de Chosen dans le site public et en spécifiant les éléments de formulaires à améliorer, par exemple select[multiple] pour les listes à sélection multiple (...)
Sur d’autres sites (5223)
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Merge individual frame to video file using Opencv
18 août 2022, par RohitI am trying to stack a individual frame to a video file using Opencv. I want to combine two different code together to make the individual frame.
Following code help me extract the individual frame,


fourcc = cv2.VideoWriter_fourcc(*'mp4v')
out = cv2.VideoWriter('file_data.mp4',fourcc,20 (1920,1080),False)
while True:
 ret, frame=cap.read()
 mask = object_detector.apply(frame)
 _, mask = cv2.threshold(mask,254,255,cv2.THRESH_BINARY) 
 contours,_ = cv2.findContours(mask, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)
 res = cv2.bitwise_and(frame,frame,mask=mask)
 for cnt in contours:
 area = cv2.contourArea(cnt)
 if area>1000: 
 #print("Area of contour:", area)
 cv2.drawContours(frame, [cnt], -1, (0,255,0),2)
 cv2.imwrite("file%d.jpg"%count, frame)
 out.write(frame)
 if cv2.waitKey(1) and 0xFF == ord('q'):
 break



I tried storing the individual frame in array, but it didn't work. It doesn't show any error, but pc crash.




fps = 20,
,width = 1920
,height = 1080




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Merge individual frame to video file using Opencv and FFmpeg
16 août 2022, par RohitI am trying to stack a individual frame to a video file using Opencv. I want to combine two different code together to make the individual frame.
Following code help me extract the individual frame


while True:
ret, frame=cap.read()
mask = object_detector.apply(frame)
_, mask = cv2.threshold(mask,254,255,cv2.THRESH_BINARY) 
contours,_ = cv2.findContours(mask, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)
res = cv2.bitwise_and(frame,frame,mask=mask)
for cnt in contours:
 area = cv2.contourArea(cnt)
 if area>1000: 
 #print("Area of contour:", area)
 cv2.drawContours(frame, [cnt], -1, (0,255,0),2)
 cv2.imwrite("file%d.jpg"%count, frame)



And I attach the frame together separately using following code using ffmpeg command


ffmpeg -r 3 -i frame%03d.jpg -c:v libx264 -vf fps=25 -pix_fmt yuv420p video.mp4



I tried storing the individual frame in array, but it didn't work. It doesn't show any error, but pc crash.


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Decoding H.264 individual nal units
24 septembre 2018, par madprogrammer2015I am currently sending individual NAL units across a network. These NAL units are generated by x264. Now is it possible to feed these NAL units individually into avcodec_decode_video2 ?
Or do I have to concatenate the nal units until they represent the same frame ? If thats the case then how is that done ?
I have also read that I might be able to receive the SPS and PPS packets. Then wait for at least one packet, and attempt to decode. Is this correct ?
Any advice that can be offered would be greatly appreciated