video triming.ipynb

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   "source": [
    "import os\n",
    "import cv2"
   ]
  },
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   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# set the input and output folder paths\n",
    "input_folder = 'videos'\n",
    "output_folder = 'trimmed_videos'\n",
    "\n",
    "# create the output folder if it doesn't exist\n",
    "if not os.path.exists(output_folder):\n",
    "    os.makedirs(output_folder)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# loop through all the video files in the input folder\n",
    "for filename in os.listdir(input_folder):\n",
    "    if filename.endswith('.mp4'):  # or any other video file format\n",
    "        input_path = os.path.join(input_folder, filename)\n",
    "        output_path = os.path.join(output_folder, filename)\n",
    "        \n",
    "        # open the input video file\n",
    "        cap = cv2.VideoCapture(input_path)\n",
    "\n",
    "        # get video properties\n",
    "        fps = cap.get(cv2.CAP_PROP_FPS)\n",
    "        frame_count = int(cap.get(cv2.CAP_PROP_FRAME_COUNT))\n",
    "\n",
    "        # set the starting and ending frame numbers\n",
    "        start_frame = 0\n",
    "        end_frame = int(fps * 5)  # trim the first 5 seconds\n",
    "\n",
    "        # create a VideoWriter object to save the output video file\n",
    "        fourcc = cv2.VideoWriter_fourcc(*'mp4v')\n",
    "        out = cv2.VideoWriter(output_path, fourcc, fps, (int(cap.get(3)), int(cap.get(4))))\n",
    "\n",
    "        # set the starting frame\n",
    "        cap.set(cv2.CAP_PROP_POS_FRAMES, start_frame)\n",
    "\n",
    "        # loop through the frames and write them to the output video file\n",
    "        for i in range(start_frame, end_frame):\n",
    "            ret, frame = cap.read()\n",
    "            if not ret:\n",
    "                break\n",
    "            out.write(frame)\n",
    "\n",
    "        # release the input and output video objects\n",
    "        cap.release()\n",
    "        out.release()\n"
   ]
  }
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