Update app.py

app.py

@@ -87,12 +87,15 @@ def get_frames(video_in, step, name, resize_w):
 
 def create_video(frames, fps, type):
     print("building video result")
+    for j, img in enumerate(frames):
+        frames[j] = cv2.cvtColor(img, cv2.COLOR_RGB2RGBA)
+    
     #https://zulko.github.io/moviepy/getting_started/videoclips.html#mask-clips
     
     clip = ImageSequenceClip(frames, fps=fps)
     
     maskclip = ImageSequenceClip(frames, fps=fps, ismask=True)
-    maskclip.to_mask(canal=2)
+    maskclip.to_mask(canal=1)
     clip.set_mask(maskclip)
     
     clip.write_videofile(type + "_result.webm", fps=fps, codec='libvpx9', audio=False)