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VolumnControl_byHand.py
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VolumnControl_byHand.py
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import cv2
import mediapipe as mp
import time
import Hand_Detector_Module as hdm
import math
from ctypes import cast, POINTER
from comtypes import CLSCTX_ALL
from pycaw.pycaw import AudioUtilities, IAudioEndpointVolume
import numpy as np
camW , camH = 1000, 1400
cap = cv2.VideoCapture(0)
cap.set(3, camW)
cap.set(4, camH)
##------------------ For Volumn Control ----------------------##
######### https://github.com/AndreMiras/Pycaw ----for volumn ###
#--------------------------------------------------------------#
devices = AudioUtilities.GetSpeakers()
interface = devices.Activate(
IAudioEndpointVolume._iid_, CLSCTX_ALL, None)
volume = cast(interface, POINTER(IAudioEndpointVolume))
# volume.GetMute()
# volume.GetMasterVolumeLevel()
volRnge = volume.GetVolumeRange()
# volume.SetMasterVolumeLevel(-20, None)
minVol = volRnge[0]
maxVol = volRnge[1]
pre_time = 0
# Con_vol = 0
volBar = 400
volPer = 0
#---------------------------------------------------------------#
detector = hdm.HandDetector(detectionConfidence=0.6)
while True:
success, frame = cap.read()
frame = detector.FindHands(frame, False)
lmList = detector.FindPosition(frame, 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(frame , (x1, y1), 10, (255, 0, 255), cv2.FILLED)
cv2.circle(frame , (x2, y2), 10, (255, 0, 255), cv2.FILLED)
cv2.line(frame, (x1,y1), (x2, y2), (255, 0, 255), 5)
cv2.circle(frame , (cx, cy), 10, (255, 0, 255), cv2.FILLED)
length = math.hypot(x2-x1, y2-y1)
# print(length)
# # length range 50 - 275
# # volumn range -65.25 - 0
## Converter
Con_vol = np.interp(length, [50, 275], [minVol, maxVol])
volBar = np.interp(length, [50, 275], [400, 150])
volPer = np.interp(length, [50, 275], [0, 100])
# print(int(length), Con_vol)
volume.SetMasterVolumeLevel(Con_vol, None)
## Hand Line Color
if length<=50:
cv2.circle(frame , (cx, cy), 10, (0, 255, 0), cv2.FILLED)
elif length>=275:
cv2.circle(frame , (cx, cy), 10, (0, 0, 255), cv2.FILLED)
cv2.circle(frame , (x1, y1), 10, (0, 0, 255), cv2.FILLED)
cv2.circle(frame , (x2, y2), 10, (0, 0, 255), cv2.FILLED)
cv2.line(frame, (x1,y1), (x2, y2), (0, 0, 255), 5)
## Box for Showing Percentage
if int(volPer)>=85:
cv2.rectangle(frame, (50, 150), (85, 400), (0, 0, 255), 3)
cv2.rectangle(frame, (50, int(volBar)), (85, 400), (0, 0, 255), cv2.FILLED)
else:
cv2.rectangle(frame, (50, 150), (85, 400), (0, 255, 0), 3)
cv2.rectangle(frame, (50, int(volBar)), (85, 400), (0, 255, 0), cv2.FILLED)
cv2.putText(
frame,
f'{int(volPer)}%',
(48, 419),
cv2.FONT_HERSHEY_PLAIN, 1,
(255, 200, 0),
2
)
current_time = time.time()
fps = 1/ (current_time-pre_time)
pre_time = current_time
font = cv2.FONT_HERSHEY_SCRIPT_COMPLEX
# FPS Box
start_point = (0, 0)
end_point = (102, 32)
color = (100, 0, 0)
thickness = -1
FPS_Box = cv2.rectangle(frame, start_point, end_point, color, thickness)
cv2.putText(
FPS_Box,
str(int(fps)),
(31, 26),
font, 1,
(255, 200, 0),
2
)
cv2.imshow("Camera", frame)
if cv2.waitKey(10) == ord('0'):
break
cap.release()
cv2.destroyAllWindows()