components/utils.py

from moviepy.editor import VideoFileClip, concatenate_videoclips,vfx
import os 

def combine_videos(folder_name):

    length = len(os.listdir(folder_name))

    vids = [VideoFileClip(os.path.join(folder_name,x)) for x in sorted(os.listdir(folder_name))]
    
    combined = concatenate_videoclips(
        [vid.subclip(0,7).fx(vfx.fadein,0.5).fx(vfx.fadeout,0.5) if vid.duration > 7 else vid.fx(vfx.fadein,0.5).fx(vfx.fadeout,0.5) for vid in vids],
        # [VideoFileClip(os.path.join(folder_name,x)).subclip(0,7).fx(vfx.fadein,0.5).fx(vfx.fadeout,0.5) for x in sorted(os.listdir(folder_name))], 
        "compose",bg_color=None, padding=0
    )
    combined.write_videofile(os.path.join(folder_name, "Final_Ad_Video.mp4"))
    
#     if length <= 6:
#         combined = concatenate_videoclips([VideoFileClip(os.path.join(folder_name,x)).subclip(0,10) for x in os.listdir(folder_name)])
#         combined.write_videofile(os.path.join(folder_name, "Ad_Video.mp4"))
#     else :
#         combined = concatenate_videoclips([VideoFileClip(os.path.join(folder_name,x)).subclip(0,60//length) for x in os.listdir(folder_name)])
#         combined.write_videofile(os.path.join(folder_name, "Ad_Video.mp4"))
    print("Done! Your ads video has been created")