AiVirtualMouse/inst2.py at main · saquib34/AiVirtualMouse · GitHub

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import cv2
import mediapipe as mp
from math import hypot
from ctypes import cast, POINTER
from comtypes import CLSCTX_ALL
from pycaw.pycaw import AudioUtilities, IAudioEndpointVolume
import numpy as np
import

cap = cv2.VideoCapture(0)
mpHands = mp.solutions.hands
hands = mpHands.Hands()
mpDraw = mp.solutions.drawing_utils

devices = AudioUtilities.GetSpeakers()
interface = devices.Activate(IAudioEndpointVolume._iid_, CLSCTX_ALL, None)
volume = cast(interface, POINTER(IAudioEndpointVolume))
volbar = 400
volper = 0

volMin, volMax = volume.GetVolumeRange()[:2]

while True:
    success, img = cap.read()
    imgRGB = cv2.cvtColor(img, cv2.COLOR_BGR2RGB)

    results = hands.process(imgRGB)
    lmList = []

    if results.multi_hand_landmarks:
        for handlandmark in results.multi_hand_landmarks:
            for id, lm in enumerate(handlandmark.landmark):
                h, w, _ = img.shape
                cx, cy = int(lm.x * w), int(lm.y * h)
                lmList.append([id, cx, cy])

            mpDraw.draw_landmarks(img, handlandmark, mpHands.HAND_CONNECTIONS)

            # Check if it's the left hand (assuming index 0 is the left hand)
            if handlandmark.landmark[0].x < handlandmark.landmark[17].x:
                x1, y1 = lmList[4][1], lmList[4][2]
                x2, y2 = lmList[8][1], lmList[8][2]

                cv2.circle(img, (x1, y1), 13, (255, 0, 0), cv2.FILLED)
                cv2.circle(img, (x2, y2), 13, (255, 0, 0), cv2.FILLED)
                cv2.line(img, (x1, y1), (x2, y2), (255, 0, 0), 3)

                length = hypot(x2 - x1, y2 - y1)
                # Adjust interpolation range for accurate volume control
                vol = np.interp(length, [30, 200], [volMin, volMax])
                volbar = np.interp(length, [30, 200], [400, 150])
                volper = np.interp(length, [30, 200], [0, 100])

                # Print volume and hand length for debugging
                print(f"Volume: {vol}, Hand Length: {int(length)}")

                # Set volume only if it's less than 100% to avoid issues
                if vol < volMax:
                    volume.SetMasterVolumeLevel(vol, None)

                cv2.rectangle(img, (50, 150), (85, 400), (0, 0, 255), 4)
                cv2.rectangle(img, (50, int(volbar)), (85, 400), (0, 0, 255), cv2.FILLED)
                cv2.putText(img, f"{int(volper)}%", (10, 40), cv2.FONT_ITALIC, 1, (0, 255, 98), 3)

    cv2.imshow('Image', img)

    key = cv2.waitKey(1) & 0xFF
    if key == ord('q'):
        break

cap.release()
cv2.destroyAllWindows()