Kamera Kayit.ipynb

kamera-kayit.ipynb

{
  "nbformat": 4,
  "nbformat_minor": 0,
  "metadata": {
    "colab": {
      "provenance": [],
      "authorship_tag": "ABX9TyO9Ui/+AEiDtQYwcZFRF3tL",
      "include_colab_link": true
    },
    "kernelspec": {
      "name": "python3",
      "display_name": "Python 3"
    },
    "language_info": {
      "name": "python"
    }
  },
  "cells": [
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "view-in-github",
        "colab_type": "text"
      },
      "source": [
        "<a href=\"https://colab.research.google.com/gist/MuhammetOzturk/ff82842d528d188ce88a111b1daafe93/kamera-kayit.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": null,
      "metadata": {
        "id": "ACXBWosswvDd"
      },
      "outputs": [],
      "source": [
        "import cv2\n",
        "import numpy as np\n",
        "import base64\n",
        "from google.colab import output\n",
        "from IPython.display import display, HTML\n",
        "\n",
        "frames = []\n",
        "recording = False\n",
        "\n",
        "def save_frame(data):\n",
        "    global frames, recording\n",
        "    if not recording:\n",
        "        return\n",
        "    # base64 -> numpy array\n",
        "    img_bytes = base64.b64decode(data.split(',')[1])\n",
        "    img_array = np.frombuffer(img_bytes, np.uint8)\n",
        "    frame = cv2.imdecode(img_array, cv2.IMREAD_COLOR)\n",
        "    frames.append(frame)\n",
        "\n",
        "def start_recording():\n",
        "    global frames, recording\n",
        "    frames = []\n",
        "    recording = True\n",
        "    print(\"Recording started...\")\n",
        "\n",
        "def stop_recording():\n",
        "    global frames, recording\n",
        "    recording = False\n",
        "    print(f\"Recording stopped. {len(frames)} frames captured.\")\n",
        "\n",
        "    # Kaydı video dosyası olarak kaydet\n",
        "    if len(frames) > 0:\n",
        "        h, w, _ = frames[0].shape\n",
        "        out = cv2.VideoWriter(\"output.avi\", cv2.VideoWriter_fourcc(*'XVID'), 30.0, (w, h))\n",
        "        for f in frames:\n",
        "            out.write(f)\n",
        "        out.release()\n",
        "        print(\"Video kaydedildi: output.avi\")\n",
        "\n",
        "# Callbacks\n",
        "output.register_callback('notebook.save_frame', save_frame)\n",
        "output.register_callback('notebook.start_recording', start_recording)\n",
        "output.register_callback('notebook.stop_recording', stop_recording)\n",
        "\n",
        "# HTML + JS\n",
        "display(HTML(\"\"\"\n",
        "<div>\n",
        "  <video id=\"video\" autoplay playsinline width=\"320\" height=\"240\" style=\"border:1px solid black;\"></video>\n",
        "  <br>\n",
        "  <button id=\"recordBtn\">🎥 Basılı Tut</button>\n",
        "</div>\n",
        "\n",
        "<script>\n",
        "let video = document.getElementById('video');\n",
        "let btn = document.getElementById('recordBtn');\n",
        "let stream;\n",
        "let sending = false;\n",
        "\n",
        "async function setupCamera() {\n",
        "  stream = await navigator.mediaDevices.getUserMedia({video: true});\n",
        "  video.srcObject = stream;\n",
        "}\n",
        "setupCamera();\n",
        "\n",
        "// Frame gönderme\n",
        "function captureFrame() {\n",
        "  if (!sending) return;\n",
        "  let canvas = document.createElement('canvas');\n",
        "  canvas.width = video.videoWidth;\n",
        "  canvas.height = video.videoHeight;\n",
        "  let ctx = canvas.getContext('2d');\n",
        "  ctx.drawImage(video, 0, 0, canvas.width, canvas.height);\n",
        "  let data = canvas.toDataURL('image/jpeg', 0.8);\n",
        "  google.colab.kernel.invokeFunction('notebook.save_frame', [data], {});\n",
        "  requestAnimationFrame(captureFrame);\n",
        "}\n",
        "\n",
        "// Butona basılı tutulduğunda\n",
        "btn.onmousedown = () => {\n",
        "  google.colab.kernel.invokeFunction('notebook.start_recording', [], {});\n",
        "  sending = true;\n",
        "  captureFrame();\n",
        "};\n",
        "btn.onmouseup = () => {\n",
        "  sending = false;\n",
        "  google.colab.kernel.invokeFunction('notebook.stop_recording', [], {});\n",
        "};\n",
        "</script>\n",
        "\"\"\"))\n"
      ]
    },
    {
      "cell_type": "code",
      "source": [
        "!ffmpeg -y -i output.avi output.mp4 &>/dev/null\n",
        "from IPython.display import Video\n",
        "Video('output.mp4',embed=True)"
      ],
      "metadata": {
        "id": "1yggZF-kw1Pm"
      },
      "execution_count": null,
      "outputs": []
    }
  ]
}