HandTrackingProject/VolumeHandControl.py at main · mustafa-meco/HandTrackingProject · GitHub

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import cv2
import time
import numpy as np
import HandTrackingModule as htm
import math
from ctypes import cast, POINTER
from comtypes import CLSCTX_ALL
from pycaw.pycaw import AudioUtilities, IAudioEndpointVolume
##############################################
wCam, hCam = 648, 488
##############################################
cap = cv2.VideoCapture(0)
cap.set(3, wCam)
cap.set(4, hCam)
pTime = 0
detector = htm.handDetector(detectionCon=0.7)
devices = AudioUtilities.GetSpeakers()
interface = devices.Activate(
    IAudioEndpointVolume._iid_, CLSCTX_ALL, None)
volume = cast(interface, POINTER(IAudioEndpointVolume))
#volume.GetMute()
#volume.GetMasterVolumeLevel()
volRange = volume.GetVolumeRange()
minVol = volRange[0]
maxVol = volRange[1]
volBar = 0
vol =0
volPer = 0
color = (189,100,55)
while True:
    success, img = cap.read()
    img = cv2.flip(img,flipCode=1)
    img = detector.findHands(img, draw=False)
    lmList = detector.findPosition(img, draw = False)
    if len(lmList) != 0 and lmList[12][2] > lmList[10][2]:
        #print(lmList[4], lmList[8])
        x1, y1 = lmList[4][1], lmList[4][2]
        x2, y2 = lmList[8][1], lmList[8][2]
        cx, cy = (x1 + x2) // 2, (y1+y2) //2
        cv2.circle(img, (x1,y1), 15, color,cv2.FILLED)
        cv2.circle(img, (x2, y2), 15, color, cv2.FILLED)
        cv2.line(img, (x1,y1),(x2,y2),color,3)
        cv2.circle(img, (cx, cy), 15, color, cv2.FILLED)
        length = math.hypot(x2-x1, y2-y1)
        #print(length)
        #Hand range 50 - 300
        #Volumr Range -65 - 0
        vol = np.interp(length,[25,300],[minVol,maxVol])
        volBar = np.interp(length, [25, 300], [400, 150])
        volPer = np.interp(length, [25, 300], [0, 100])
        print(int(length),vol)
        volume.SetMasterVolumeLevel(vol, None)
        if length <50:
            cv2.circle(img, (cx, cy), 15, (0, 255, 0), cv2.FILLED)
    cv2.rectangle(img, (50,150), (85,400), (200,100,30), 3)
    cv2.rectangle(img, (50, int(volBar)), (85, 400), (200,100,30), cv2.FILLED)
    cv2.putText(img, f'{int(volPer)} %', (40, 450), cv2.FONT_HERSHEY_COMPLEX, 1, (200,100,30), 3)
    cTime = time.time()
    fps = 1/(cTime-pTime)
    pTime = cTime
    cv2.putText(img,f'FPS: {int(fps)}', (40,50), cv2.FONT_HERSHEY_COMPLEX,1, (255,0,0), 3 )
    cv2.imshow("Img", img)
    cv2.waitKey(1)