p4'" ng-true-value="'pcm'" >
            {{encodingFormat}}
        </md-switch>

        <!--md-button flex="10" class="md-icon-button" aria-label="source code on github" ng-href="https://github.com/marstonstudio/crossUserMedia" target="_blank">
            <md-tooltip>github source</md-tooltip>
            <md-icon md-svg-src="/img/github.svg"></md-icon>
        </md-button-->

    </md-toolbar>
    <md-content layout="column" class="buttonBox">

        <md-content layout="row" layout-align="space-betwee