Volume Control with hands

Author: YashDhirajOza

computer_vision/WaveTune.py

@@ -0,0 +1,61 @@
+import cv2
+import mediapipe as mp
+import pyautogui
+import math
+import time
+CAMERA_ID = 0
+FLIP_IMAGE = True
+VOLUME_CHANGE_COOLDOWN = 0.5
+VOLUME_CHANGE_THRESHOLD = 50  
+def main():
+    cap = cv2.VideoCapture(CAMERA_ID)
+    if not cap.isOpened():
+        print(f"Error: Could not open camera with ID {CAMERA_ID}")
+        return
+    hands = mp.solutions.hands.Hands(static_image_mode=False, max_num_hands=1, min_detection_confidence=0.5, min_tracking_confidence=0.5)
+    mpDraw = mp.solutions.drawing_utils
+    last_volume_change_time = 0
+    distance = 0  
+    while True:
+        success, image = cap.read()
+        if not success:
+            print("Failed to capture frame")
+            break
+        if FLIP_IMAGE:
+            image = cv2.flip(image, 1)
+        image_rgb = cv2.cvtColor(image, cv2.COLOR_BGR2RGB)
+        results = hands.process(image_rgb)
+        if results.multi_hand_landmarks:
+            for hand_landmarks in results.multi_hand_landmarks:
+                mpDraw.draw_landmarks(image, hand_landmarks, mp.solutions.hands.HAND_CONNECTIONS)
+                thumb_tip = hand_landmarks.landmark[4]
+                index_tip = hand_landmarks.landmark[8]
+                x1, y1 = int(thumb_tip.x * image.shape[1]), int(thumb_tip.y * image.shape[0])
+                x2, y2 = int(index_tip.x * image.shape[1]), int(index_tip.y * image.shape[0])
+                cv2.circle(image, (x1, y1), 8, (0, 0, 255), -1)
+                cv2.circle(image, (x2, y2), 8, (0, 255, 255), -1)
+                cv2.line(image, (x1, y1), (x2, y2), (0, 255, 0), 2)
+                distance = math.hypot(x2 - x1, y2 - y1)
+                current_time = time.time()
+                if current_time - last_volume_change_time > VOLUME_CHANGE_COOLDOWN:
+                    if distance > VOLUME_CHANGE_THRESHOLD:
+                        pyautogui.press("volumeup")
+                        print("Volume Up")
+                    else: 
+                        pyautogui.press("volumedown")
+                        print("Volume Down")
+                    last_volume_change_time = current_time
+        cv2.putText(image, f"Distance: {int(distance)}", (10, 30), cv2.FONT_HERSHEY_SIMPLEX, 1, (255, 0, 0), 2)
+        cv2.imshow("Hand Volume Control", image)
+        key = cv2.waitKey(1) & 0xFF
+        if key == 27:  
+            print("Esc key pressed. Exiting...")
+            break
+        elif key == ord('q'):
+            print("Q key pressed. Exiting...")
+            break
+    cap.release()
+    cv2.destroyAllWindows()
+    print("Program ended")
+if __name__ == "__main__":
+    main()