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import cv2 |
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import mediapipe as mp |
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import time |
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from ctypes import cast, POINTER |
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from comtypes import CLSCTX_ALL |
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from pycaw.pycaw import AudioUtilities, IAudioEndpointVolume |
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import numpy as np |
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cap = cv2.VideoCapture(0) |
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mpHands = mp.solutions.hands |
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hands = mpHands.Hands(False) |
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mpDraw = mp.solutions.drawing_utils |
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devices = AudioUtilities.GetSpeakers() |
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interface = devices.Activate(IAudioEndpointVolume._iid_, CLSCTX_ALL, None) |
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volume = cast(interface, POINTER(IAudioEndpointVolume)) |
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volRange = volume.GetVolumeRange() |
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minVol = volRange[0] |
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maxVol = volRange[1] |
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pTime = 0 |
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cTime = 0 |
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while True: |
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_, img = cap.read() |
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img = cv2.flip(img, 1) |
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imgRGB = cv2.cvtColor(img, cv2.COLOR_BGR2RGB) |
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results = hands.process(imgRGB) |
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if results.multi_hand_landmarks: |
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for handLms in results.multi_hand_landmarks: |
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lmList = [] |
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for id, lm in enumerate(handLms.landmark): |
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h, w, c = img.shape |
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cx, cy = int(lm.x * w), int(lm.y * h) |
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lmList.append([id, cx, cy]) |
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if id == 4: |
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cv2.circle(img, (cx, cy), 15, (255, 0, 255), cv2.FILLED) |
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if id == 8: |
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cv2.circle(img, (cx, cy), 15, (255, 0, 255), cv2.FILLED) |
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mpDraw.draw_landmarks(img, handLms, mpHands.HAND_CONNECTIONS) |
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if len(lmList) != 0: |
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x1, y1 = lmList[4][1], lmList[4][2] |
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x2, y2 = lmList[8][1], lmList[8][2] |
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cv2.line(img, (x1, y1), (x2, y2), (255, 0, 0), 3) |
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length = np.hypot(x2 - x1, y2 - y1) |
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vol = np.interp(length, [50, 300], [minVol, maxVol]) |
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volume.SetMasterVolumeLevel(vol, None) |
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volBar = np.interp(length, [50, 300], [400, 150]) |
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volPer = np.interp(length, [50, 300], [0, 100]) |
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cv2.rectangle(img, (50, 150), (85, 400), (0, 255, 0), 3) |
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cv2.rectangle(img, (50, int(volBar)), (85, 400), (0, 255, 0), cv2.FILLED) |
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cv2.putText(img, f'{int(volPer)} %', (40, 450), cv2.FONT_HERSHEY_PLAIN, 2, (255, 0, 0), 2) |
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cTime = time.time() |
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fps = 1 / (cTime - pTime) |
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pTime = cTime |
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cv2.putText(img, str(int(fps)), (10, 78), cv2.FONT_HERSHEY_PLAIN, 3, (255, 255, 0), 3) |
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cv2.imshow("Image", img) |
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cv2.waitKey(1) |
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