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VolumeControl.py
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100 lines (90 loc) · 2.92 KB
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import cv2
import time
import numpy as np
import HTrackMod as htm
import math
from ctypes import cast, POINTER
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, trackCon=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]
vol = 0
volBar = 400
volP = 0
toggle = 0
while True:
success, image = cap.read()
image = detector.findHands(image)
lmList = detector.finPos(image)
if not success:
print("Invalid")
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]
x3, y3 = lmList[12][1], lmList[12][2]
x4, y4 = lmList[20][1], lmList[20][2]
cx, cy = (x1 + x2) // 2, (y1 + y2) // 2
cv2.circle(image, (x1, y1), 10, (256, 0, 256), 3, cv2.FILLED)
cv2.circle(image, (x2, y2), 10, (256, 0, 256), 3, cv2.FILLED)
cv2.circle(image, (x3, y3), 10, (256, 0, 256), 3)
cv2.circle(image, (x4, y4), 10, (256, 0, 256), 3)
length = math.hypot(x2 - x1, y2 - y1)
length2 = math.hypot(x3 - x2, y3 - y2)
length3 = math.hypot(x4 - x1, y4 - y1)
# Hand: 50-300
# vol: -65:0
if length2 < 50:
toggle ^= 1
if toggle:
vol = np.interp(length, [50, 200], [minVol, maxVol])
volBar = np.interp(length, [50, 200], [400, 150])
volP = np.interp(length, [50, 200], [0, 100])
# print(vol)
volume.SetMasterVolumeLevel(vol, None)
if length < 50:
cv2.circle(image, (cx, cy), 10, (0, 256, 0), cv2.FILLED)
cv2.line(image, (x1, y1), (x2, y2), (255, 0, 255), 3)
cv2.circle(image, (cx, cy), 10, (256, 0, 256), cv2.FILLED)
if length3 < 30:
break
# print(length2)
image = cv2.flip(image, 1)
cv2.rectangle(image, (50, 150), (85, 400), (0, 255, 0), 3)
cv2.rectangle(image, (50, int(volBar)), (85, 400), (0, 255, 0), cv2.FILLED)
cv2.putText(
image,
str(int(volP)) + "%",
(50, 450),
cv2.FONT_HERSHEY_COMPLEX,
1,
(0, 255, 255),
3,
)
# print(length)
cTime = time.time()
fps = 1 / (cTime - pTime)
pTime = cTime
cv2.putText(
image,
"fps: " + str(int(fps)),
(500, 400),
cv2.FONT_HERSHEY_COMPLEX,
1,
(120, 52, 40),
3,
)
cv2.imshow("Camera Result", image)
cv2.waitKey(1)