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      <base href="https://bugs.webkit.org/" />
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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - using sWidth and/or sHeight not matching video source in drawImage crashes safari"
   href="https://bugs.webkit.org/show_bug.cgi?id=166758">166758</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>using sWidth and/or sHeight not matching video source in drawImage crashes safari
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>WebKit
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>Safari 10
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>iPhone / iPad
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>iOS 10
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>Normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P2
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Canvas
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>webkit-unassigned&#64;lists.webkit.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>nicolas.bregenzer&#64;gmail.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>dino&#64;apple.com
          </td>
        </tr></table>
      <p>
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        <pre>if you use the drawImage method with a video as a source and change the source dimensions (skewed or scaled proportionally) safari crashes after a couple of seconds, current workaround is to change the dimension of the canvas and reposition/crop the canvas itself

<a href="https://developer.mozilla.org/de/docs/Web/API/CanvasRenderingContext2D/drawImage">https://developer.mozilla.org/de/docs/Web/API/CanvasRenderingContext2D/drawImage</a>
void ctx.drawImage(image, sx, sy, sWidth, sHeight, dx, dy, dWidth, dHeight);</pre>
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      </p>
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