common notebook updates for v3.0 (#1390)

* getting rid of remaining freebuffer() calls * added extra check to zynq_clocks notebook to avoid error * updated overlay_download notebook to showcase raw bitstream download and Overlay class with caching * suppress opencv warning on display_port intro notebook * update overlay_download notebook to reflect BaseOverlay paths/performance
Xilinx · Oct 3, 2022 · c7a519f · c7a519f
1 parent 16e40cc
commit c7a519f
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Showing 4 changed files with 117 additions and 46 deletions.
diff --git a/boards/Pynq-Z1/base/notebooks/video/hdmi_introduction.ipynb b/boards/Pynq-Z1/base/notebooks/video/hdmi_introduction.ipynb
@@ -162,7 +162,7 @@
     "for _ in range(numframes):\n",
     "    inframe = hdmi_in.readframe()\n",
     "    cv2.cvtColor(inframe,cv2.COLOR_BGR2GRAY,dst=grayscale)\n",
-    "    inframe.freebuffer()\n",
+    "    # inframe.freebuffer()\n",
     "    cv2.Laplacian(grayscale, cv2.CV_8U, dst=result)\n",
     "\n",
     "    outframe = hdmi_out.newframe()\n",
@@ -287,7 +287,7 @@
     "for _ in range(numframes):\n",
     "    inframe = hdmi_in.readframe()\n",
     "    cv2.cvtColor(inframe,cv2.COLOR_BGR2GRAY,dst=grayscale)\n",
-    "    inframe.freebuffer()\n",
+    "    # inframe.freebuffer()\n",
     "    cv2.Laplacian(grayscale, cv2.CV_8U, dst=result)\n",
     "\n",
     "    outframe = hdmi_out.newframe()\n",
@@ -365,7 +365,7 @@
     "    inframe = hdmi_in.readframe()\n",
     "    outframe = hdmi_out.newframe()\n",
     "    cv2.Laplacian(inframe, cv2.CV_8U, dst=outframe)\n",
-    "    inframe.freebuffer()\n",
+    "    # inframe.freebuffer()\n",
     "    hdmi_out.writeframe(outframe)\n",
     "    \n",
     "end = time.time()\n",
@@ -527,7 +527,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3",
+   "display_name": "Python 3 (ipykernel)",
    "language": "python",
    "name": "python3"
   },
@@ -541,9 +541,9 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.6.0"
+   "version": "3.10.4"
   }
  },
  "nbformat": 4,
- "nbformat_minor": 2
+ "nbformat_minor": 4
 }
diff --git a/pynq/notebooks/arch/aarch64/common/display_port_introduction.ipynb b/pynq/notebooks/arch/aarch64/common/display_port_introduction.ipynb
@@ -15,7 +15,10 @@
    "cell_type": "code",
    "execution_count": 1,
    "metadata": {
-    "collapsed": true
+    "collapsed": true,
+    "jupyter": {
+     "outputs_hidden": true
+    }
    },
    "outputs": [],
    "source": [
@@ -101,6 +104,8 @@
     }
    ],
    "source": [
+    "import os\n",
+    "os.environ[\"OPENCV_LOG_LEVEL\"]=\"SILENT\"\n",
     "import cv2\n",
     "\n",
     "capture = cv2.VideoCapture(0)\n",
@@ -163,7 +168,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3",
+   "display_name": "Python 3 (ipykernel)",
    "language": "python",
    "name": "python3"
   },
@@ -177,9 +182,9 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.6.5"
+   "version": "3.10.4"
   }
  },
  "nbformat": 4,
- "nbformat_minor": 2
+ "nbformat_minor": 4
 }