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Copy pathvolumeControl.py
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90 lines (74 loc) · 3 KB
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import cv2
import mediapipe as mp
import time
from math import hypot, atan2, degrees
from ctypes import cast, POINTER
from comtypes import CLSCTX_ALL
from pycaw.pycaw import AudioUtilities, IAudioEndpointVolume
import numpy as np
import keyboard
import pyautogui
cap = cv2.VideoCapture(0)
mpHands = mp.solutions.hands
hands = mpHands.Hands()
mpDraw = mp.solutions.drawing_utils
devices = AudioUtilities.GetSpeakers()
interface = devices.Activate(IAudioEndpointVolume._iid_, CLSCTX_ALL, None)
volume = cast(interface, POINTER(IAudioEndpointVolume))
volMin, volMax = volume.GetVolumeRange()[:2]
# Initialize state variables
catching_state = False
playpause_state = False
while True:
success, img = cap.read()
imgRGB = cv2.cvtColor(img, cv2.COLOR_BGR2RGB)
results = hands.process(imgRGB)
lmList = []
if results.multi_hand_landmarks:
for handlandmark in results.multi_hand_landmarks:
for id, lm in enumerate(handlandmark.landmark):
h, w, _ = img.shape
cx, cy = int(lm.x * w), int(lm.y * h)
lmList.append([id, cx, cy])
mpDraw.draw_landmarks(img, handlandmark, mpHands.HAND_CONNECTIONS)
if lmList != []:
x1, y1 = lmList[4][1], lmList[4][2] # thumb
x_pinky, y_pinky = lmList[20][1], lmList[20][2] # pinky
x_index, y_index = lmList[8][1], lmList[8][2] # index
# Calculate distances
distance_thumb_pinky = hypot(x_pinky - x1, y_pinky - y1)
distance_thumb_index = hypot(x_index - x1, y_index - y1)
print(distance_thumb_pinky, distance_thumb_index)
# Toggle catching state
if distance_thumb_pinky < 30 and distance_thumb_index < 30:
catching_state = not catching_state
time.sleep(1.5)
if catching_state:
print("\n Catching for volume change...")
# Toggle play/pause state
if (
distance_thumb_pinky < 30
and distance_thumb_index < 30
and not catching_state
):
playpause_state = not playpause_state
time.sleep(1.5)
if playpause_state:
print("Play/Pause")
# Volume change logic
if catching_state and distance_thumb_index > 70:
angle = -degrees(atan2(y_index - y1, x_index - x1))
vol = np.interp(angle, [30, 150], [volMin, volMax])
volbar = np.interp(angle, [30, 150], [400, 150])
cv2.rectangle(img, (50, 150), (85, 400), (0, 0, 255), 4)
cv2.rectangle(img, (50, int(volbar)), (85, 400), (0, 0, 255), cv2.FILLED)
if angle < 90:
keyboard.press_and_release("volume down")
else:
keyboard.press_and_release("volume up")
# Play/Pause logic
if playpause_state and distance_thumb_index < 30:
pyautogui.keyDown("playpause")
pyautogui.keyUp("playpause")
cap.release()
cv2.destroyAllWindows()