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<h1>Source code for displayarray.frame.get_frame_ids</h1><div class="highlight"><pre>
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<span></span><span class="sd">"""Get camera IDs."""</span>
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<span class="kn">import</span> <span class="nn">cv2</span>
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<span class="kn">from</span> <span class="nn">typing</span> <span class="k">import</span> <span class="n">List</span>
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<div class="viewcode-block" id="get_cam_ids"><a class="viewcode-back" href="../../../../frame/#displayarray.frame.get_cam_ids">[docs]</a><span class="k">def</span> <span class="nf">get_cam_ids</span><span class="p">()</span> <span class="o">-></span> <span class="n">List</span><span class="p">[</span><span class="nb">int</span><span class="p">]:</span>
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<span class="sd">"""Get all cameras that OpenCV can currently detect."""</span>
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<span class="n">cam_list</span><span class="p">:</span> <span class="n">List</span><span class="p">[</span><span class="nb">int</span><span class="p">]</span> <span class="o">=</span> <span class="p">[]</span>
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<span class="k">while</span> <span class="kc">True</span><span class="p">:</span>
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<span class="n">cam</span> <span class="o">=</span> <span class="n">cv2</span><span class="o">.</span><span class="n">VideoCapture</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">cam_list</span><span class="p">))</span>
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<span class="k">if</span> <span class="ow">not</span> <span class="n">cam</span><span class="o">.</span><span class="n">isOpened</span><span class="p">():</span>
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<span class="k">break</span>
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<span class="n">cam_list</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">cam_list</span><span class="p">))</span>
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<span class="k">return</span> <span class="n">cam_list</span></div>
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