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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [MediaStream] Resolve constraints and enumerate devices in the UI process"
href="https://bugs.webkit.org/show_bug.cgi?id=162147">162147</a>
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<th>Summary</th>
<td>[MediaStream] Resolve constraints and enumerate devices in the UI process
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<th>Classification</th>
<td>Unclassified
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<th>Product</th>
<td>WebKit
</td>
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<th>Version</th>
<td>Other
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<th>Hardware</th>
<td>Unspecified
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<th>OS</th>
<td>Unspecified
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<th>Status</th>
<td>NEW
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<th>Keywords</th>
<td>InRadar
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<th>Severity</th>
<td>Normal
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<th>Priority</th>
<td>P2
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<th>Component</th>
<td>Media Elements
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
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<th>Reporter</th>
<td>eric.carlson@apple.com
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<th>CC</th>
<td>dino@apple.com, jer.noble@apple.com, thiago.lacerda@openbossa.org
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<pre>On OSX and iOS, the WebCore sandbox profile does not allow it to access media capture devices. The UI process will grant sandbox extensions giving access to capture devices after the user has consented to the gUM request, but this is a problem in two cases:
- evaluating the initial constraints passed to gUM to see if the user should be prompted (eg. there is no reason to ask the user for permission if the constraints can't be satisfied at all).
- when MediaDevices.enumerateDevices is called before gUM.
To fix this, both of these tasks should be performed in the UI process.</pre>
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