Add GestureControlledVolume script

PYTHON APPS/GestureControlledVolume/GestureControlledVolume.ipynb

@@ -0,0 +1,196 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "bbcc9707",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "conda install opencv"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "9503238e",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import cv2"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "e7af804f",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import mediapipe as mp"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "953e7623",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import math "
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "889f973c",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "pip install pycaw"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "0bbc1460",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "from ctypes import cast, POINTER\n",
+    "from comtypes import CLSCTX_ALL\n",
+    "from pycaw.pycaw import AudioUtilities, IAudioEndpointVolume"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "fb4f9175",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import numpy as np"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "f47550a4",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "devices = AudioUtilities.GetSpeakers()\n",
+    "interface = devices.Activate(\n",
+    "    IAudioEndpointVolume._iid_, CLSCTX_ALL, None)\n",
+    "volume = cast(interface, POINTER(IAudioEndpointVolume))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "0f9c586f",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "#volume.GetMute()\n",
+    "#print(volume.GetMasterVolumeLevel())\n",
+    "#print(volume.GetVolumeRange())\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "3a7cc9ac",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "cap = cv2.VideoCapture(0)\n",
+    "mpHands = mp.solutions.hands\n",
+    "hands = mpHands.Hands()\n",
+    "mpDraw = mp.solutions.drawing_utils\n",
+    "\n",
+    "\n",
+    "while True:\n",
+    "    success,img = cap.read()\n",
+    "    imgRGB = cv2.cvtColor(img , cv2.COLOR_BGR2RGB)\n",
+    "    results= hands.process(imgRGB)\n",
+    "    #print(results.multi_hand_landmarks)\n",
+    "    \n",
+    "    if results.multi_hand_landmarks:\n",
+    "        for handLms in results.multi_hand_landmarks:\n",
+    "            lmList =[]\n",
+    "            for id, lm in enumerate (handLms.landmark):\n",
+    "                #print(id, lm)\n",
+    "                h , w , c = img.shape\n",
+    "                cx , cy = int(lm.x*w), int(lm.y*h)\n",
+    "                #print(id, cx, cy)\n",
+    "                lmList.append([id, cx, cy])\n",
+    "                #print(lmList)\n",
+    "            mpDraw.draw_landmarks(img,handLms,mpHands.HAND_CONNECTIONS)\n",
+    "        \n",
+    "        if lmList:\n",
+    "            x1,y1 = lmList[4][1],lmList[4][2]\n",
+    "            x2,y2 = lmList[8][1],lmList[8][2]\n",
+    "            \n",
+    "            cv2.circle(img,(x1,y1),10,(255,0,9),cv2.FILLED)\n",
+    "            cv2.circle(img,(x2,y2),10,(255,0,9),cv2.FILLED)\n",
+    "            cv2.line(img,(x1,y1),(x2,y2),(134,1,175),3)\n",
+    "            \n",
+    "            length = math.hypot(x2-x1,y2-y1)\n",
+    "            print(length)\n",
+    "            \n",
+    "            if length <50:\n",
+    "                z1 = (x1+x2)//2\n",
+    "                z2 = (y1+y2)//2\n",
+    "                cv2.circle(img,(z1,z2),10,(255,0,9),cv2.FILLED)\n",
+    "        \n",
+    "        volRange = volume.GetVolumeRange()\n",
+    "        minVol = volRange[0]\n",
+    "        maxVol = volRange[1]\n",
+    "        vol = np.interp(length,[50,300],[minVol,maxVol])\n",
+    "        volBar = np.interp(length, [50,300],[400,150])\n",
+    "        volPer = np.interp(length, [50,300],[0,100])\n",
+    "        volume.SetMasterVolumeLevel(vol,None)\n",
+    "        cv2.rectangle(img,(50,150),(85,400),(191,62,255),3)\n",
+    "        cv2.rectangle(img,(50,int(volBar)),(85,400),(191,62,255),cv2.FILLED)\n",
+    "        cv2.putText(img,str(int(volPer)),(40,100),cv2.FONT_HERSHEY_DUPLEX,4,(126,58,234))\n",
+    "            \n",
+    "            \n",
+    "    cv2.imshow(\"Image\",img)  \n",
+    "    cv2.waitKey(1)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "f5735e95",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "#length 50-300\n",
+    "#volRange -24 to +21"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.8.8"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}