VolumeControl/VolumeHandControl.py at main · ArnabTechiee/VolumeControl · GitHub

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import cv2
import time
import numpy as np
import HandTrackingModule as htm
import math
from comtypes import CLSCTX_ALL
from pycaw.pycaw import AudioUtilities, IAudioEndpointVolume
wCam, hCam=640,480
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 = interface.QueryInterface(IAudioEndpointVolume)
#volume.GetMute()
#volume.GetMasterVolumeLevel()
volRange=(volume.GetVolumeRange())
volume.SetMasterVolumeLevel(0, None)
minVol=volRange[0]
maxVol=volRange[1]
vol=0
volBar=0
volPer=0
while True:
    success, img=cap.read()
    img=detector.findHands(img)
    lmList=detector.findPosition(img,draw=False)
    if(len(lmList)!=0):
       #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,(255,0,255),cv2.FILLED)
       cv2.circle(img,(x2,y2),15,(255,0,255),cv2.FILLED)
       cv2.line(img,(x1,y1),(x2,y2),(255,0,255),3)
       cv2.circle(img,(cx,cy),15,(255,0,255),cv2.FILLED)
       length=math.hypot(x2-x1,y2-y1)
       print(length)
       # hand range 50-300
       # vol range -63 - 0
       vol =np.interp(length,[50,300],[minVol,maxVol])
       volBar=np.interp(length,[50,300],[400,150])
       volPer=np.interp(length,[50,300],[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),(255,0,0),3)
    cv2.rectangle(img,(50,int(volBar)),(85,400),(255,0,0),cv2.FILLED)
    cv2.putText(img,f'FPS: {int(volPer)} %',(40,450),cv2.FONT_HERSHEY_COMPLEX,
                1,(250,0,0),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("Image",img)
    cv2.waitKey(1)