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168 lines
4.9 KiB
Python
168 lines
4.9 KiB
Python
# importing libraries
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import cv2
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import numpy as np
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import os
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import random
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import simpleaudio as sa
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import time
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import board
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import busio
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import adafruit_mpr121
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MEDIA_FOLDER = "media"
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WINDOW_NAME = "Image Viewer"
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WINDOW_WIDTH = 300
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WINDOW_HEIGHT = 500
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i2c = busio.I2C(board.SCL, board.SDA)
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mpr121 = adafruit_mpr121.MPR121(i2c)
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mediaFolder = os.listdir(MEDIA_FOLDER)
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current_file = False
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def clear_frame():
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# Create a black frame
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black_frame = np.zeros((WINDOW_HEIGHT, WINDOW_WIDTH, 3), dtype=np.uint8)
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cv2.imshow(WINDOW_NAME, black_frame)
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cv2.namedWindow(WINDOW_NAME,cv2.WND_PROP_FULLSCREEN)
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cv2.setWindowProperty(WINDOW_NAME, cv2.WND_PROP_FULLSCREEN, cv2.WINDOW_FULLSCREEN)
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cv2.waitKey(1) # Add a small delay to ensure the frame is displayed
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def resize_and_center_frame(frame):
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# Get original frame dimensions
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height, width = frame.shape[:2]
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# Calculate aspect ratio
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aspect_ratio = width / height
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# Determine resizing dimensions while maintaining aspect ratio
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if width > height:
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new_width = WINDOW_WIDTH
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new_height = int(new_width / aspect_ratio)
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else:
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new_height = WINDOW_HEIGHT
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new_width = int(new_height * aspect_ratio)
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# Resize the frame
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resized_frame = cv2.resize(frame, (new_width, new_height))
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# Calculate offset to center the resized frame in the window
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x_offset = max(0, (WINDOW_WIDTH - new_width) // 2)
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y_offset = max(0, (WINDOW_HEIGHT - new_height) // 2)
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# Create a black background of the window size
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window_background = np.zeros((WINDOW_HEIGHT, WINDOW_WIDTH, 3), dtype=np.uint8)
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# Overlay the resized frame onto the background at the calculated offset
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window_background[
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y_offset : y_offset + new_height, x_offset : x_offset + new_width
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] = resized_frame
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return window_background
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# Show an image on the canvas
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def showImage(file):
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# Read the image
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current_image = cv2.imread(MEDIA_FOLDER + "/" + file)
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if current_image is None:
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print(f"Error loading image: {image_path}")
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return
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a = cv2.cvtColor(current_image, cv2.COLOR_BGR2GRAY)
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resized_frame = resize_and_center_frame(current_image)
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cv2.imshow(WINDOW_NAME, resized_frame)
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cv2.namedWindow(WINDOW_NAME,cv2.WND_PROP_FULLSCREEN)
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cv2.setWindowProperty(WINDOW_NAME, cv2.WND_PROP_FULLSCREEN, cv2.WINDOW_FULLSCREEN)
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while True:
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for i in range(12):
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if mpr121[i].value:
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print("Pin {} touched!".format(i))
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load_media(i)
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break
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def play_audio(file):
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clear_frame()
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sound = sa.WaveObject.from_wave_file("media/" + file)
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play_obj = sound.play()
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# TODO: check for sensor data change
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while play_obj.is_playing():
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# Add a small delay to prevent high CPU usage
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time.sleep(0.1)
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load_media()
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def get_random_file(previous=None):
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random.shuffle(mediaFolder)
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file = mediaFolder[0]
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if file == previous:
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return get_random_file(previous)
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return file
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# create a function with an optional parameter
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def load_media(region=None, override=None):
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global current_file
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if region:
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print("i should now load a media from region ")
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print(region)
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else:
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print("region is not defined, just do something!")
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if(override):
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file = override
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else:
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file = get_random_file(current_file)
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current_file = file
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# Check if the file is an image or a video
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if file.endswith(".jpg") or file.endswith(".png") or file.endswith(".jpeg"):
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# Read and resize the image
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print("ive loaded an image: " + file)
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showImage(file)
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elif file.endswith(".mov") or file.endswith(".mp4") or file.endswith(".avi"):
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# Create a VideoCapture object and read from input file
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cap = cv2.VideoCapture("media/" + file)
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print("ive loaded a video" + file)
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# show the input video file
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while cap.isOpened():
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ret, frame = cap.read()
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# resized = cv2.resize(frame, (800, 480))
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resized_frame = resize_and_center_frame(frame)
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# if q is pressed, the app is closed
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if ret == True:
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cv2.imshow(WINDOW_NAME, resized_frame)
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for i in range(12):
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if mpr121[i].value:
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print("Pin {} touched!".format(i))
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load_media(i)
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break
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if cv2.waitKey(3) & 0xFF == ord("q"):
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print("destroy all windows")
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cv2.destroyAllWindows()
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break
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else:
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print("ois the video finished?")
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load_media()
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break
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elif file.endswith(".wav") or file.endswith(".mp3"):
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print("ive loaded an audio file: " + file)
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play_audio(file)
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else:
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print("Unsupported file format: " + file)
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load_media(region)
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print("start script ")
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load_media()
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