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• Anomalie #2415 : Les autorisations SPIP 3.0, oups ?

  24 novembre 2011, par cedric -

  regarde le code en v2.1 : il y avait déjà une dérogation et un redressement pour le cas particulier des groupes de mots. Dans le dev de la 3.0 il est apparu que l’objet ’site’ necessitait aussi une derogation. D’ou la generalisation. ton exemple AUTORISERvoir,photos n’est pas bon non plus, car (...)

• Record specific window using ffmpeg

  5 décembre 2022, par Ahmed A. Mansour

  I have been trying the below code (which I found on other similiar problem on this site here : How to record a specific window using ffmpeg But it gives me black video and the same video is not playable by windows media player (it works on vlc but with black video..)

  


  ffmpeg -f gdigrab -framerate 30 -i title="german.avi - VLC media player" -b:v 3M  germ.flv


  


  Video example :
Weird thumbnail by WMP which shows it can't play it
Black screen as described, but it opens with black video in VLC

  


  I tried the other suggestions, but this one sometimes (less than 40% of the time) works.
I also noticed it doesn't show the window main title, which is a bit confusing, as it causes the mouse cursor to appear a little down where it should be.

  


• Loop through images, detect if contains color, put in subfolder

  16 avril 2022, par Samo

  I have two kinds of images in my folder : One is all black, the other one is black with yellow (#f8fa27). I am trying to put all the images with yellow colour in a subfolder. But I don't know how this is applicable.

  


  I would like to implement this with ImageMagick or FFMPEG. If possible, shell is redundant and I would like the loop via CMD. If you happen to know of another option that also works, that's no problem either.

  


  I've read about https://imagemagick.org/script/fx.php but I don't know how to apply it with my poor skills.

  


  Edit for now I managed to fix it with python (shitty code but it works)

  


  import cv2
import os
import glob

#check if extension is png
for filename in glob.glob("*.png"):
    #return to folder where all images are saved
    os.chdir('C:/Users/.../.../images')
    #make image black and white
    image = cv2.imread(filename, 0)
    #if image is fully black
    if cv2.countNonZero(image) == 0:
        print ("Black image, skipped")
    else:
        #colored image
        print ("Colored image")
        #restore true colors (rgb in my case, check wiki)
        image = cv2.imread(filename, cv2.COLOR_BGR2RGB)
        #folder to save colored images
        os.chdir(os.getcwd()+"/yellow")
        #save image to subfolder
        cv2.imwrite(filename,image)


  


  Thank you :) !