cameraexploitation3.py

import cv2
import time

# Function to start live camera capture
def start_camera():
    cap = cv2.VideoCapture(0)
    if not cap.isOpened():

        print("Failed to open camera")
        exit(1)
    return cap

# Function to stop live camera capture
def stop_camera(cap):
    cap.release()
    cv2.destroyAllWindows()

# Morse code dictionary
morse_code_dict = {'A': '.-', 'B': '-...', 'C': '-.-.', 'D': '-..', 'E': '.', 'F': '..-.', 'G': '--.', 'H': '....',
                   'I': '..', 'J': '.---', 'K': '-.-', 'L': '.-..', 'M': '--', 'N': '-.', 'O': '---', 'P': '.--.',
                   'Q': '--.-', 'R': '.-.', 'S': '...', 'T': '-', 'U': '..-', 'V': '...-', 'W': '.--', 'X': '-..-',
                   'Y': '-.--', 'Z': '--..', '1': '.----', '2': '..---', '3': '...--', '4': '....-', '5': '.....',
                   '6': '-....', '7': '--...', '8': '---..', '9': '----.', '0': '-----', ', ': '--..--', '.': '.-.-.-',
                   '?': '..--..', '/': '-..-.', '-': '-....-', '(': '-.--.', ')': '-.--.-', '_': '..--.-', '+': '.-.-.',
                   '*': '-..-', '@': '.--.-.', ' ': ' '}

# Function to transmit Morse code
def transmit_morse_code(message):
    # Calculate total number of frames for progress tracking
    total_frames = len(message) * 2  # 2 frames per dot/dash

    # Record start time for bitrate calculation
    start_time = time.time()

    for char in message:
        if char.upper() in morse_code_dict:
            morse_code = morse_code_dict[char.upper()]
            for code in morse_code:
                if code == '.':
                    # Start live camera capture
                    cap = start_camera()

                    # Capture and display frames for dot duration (e.g. 1 second)
                    start_time_dot = time.time()
                    while time.time() - start_time_dot < 1:
                        ret, frame = cap.read()
                        if not ret:
                            print("Failed to capture frame")    
                            break
                        
                    stop_camera(cap)

                elif code == '-':
                    # Start live camera capture
                    cap = start_camera()

                    # Capture and display frames for dash duration (e.g. 3 seconds)
                    start_time_dash = time.time()
                    while time.time() - start_time_dash < 3:
                        ret, frame = cap.read()
                        if not ret:
                            print("Failed to capture frame")
                            break
                        
                    stop_camera(cap)

                # Pause between dots and dashes (e.g. 1 second)
                time.sleep(1)
                total_frames -= 1
                print(f"Progress: {total_frames} frames remaining")

        elif char == ' ':
            # Pause between words (e.g. 3 seconds)
            time.sleep(3)

    # Calculate time taken and bitrate
    time_taken = time.time() - start_time
    print(time_taken)


message = "HAR        v"
transmit_morse_code(message)