By using facial emotion detection to show the video and music that can empathize with the user's emotions.
recognize face with cv2 library.
By using detected face, deep.py predict user's face emition.
And add img that matches with emotion.
if same emotion last for 0.5 times (0.1 * 5) , we turn on the music that matches with emotion.
And we select music in same directory, by using random function
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