/// <summary>
/// Toggle the playback state of the media source
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void TogglePlaybackState(bool?overridenState = null)
{
if (Dispatcher.HasThreadAccess)
{
await m_lock.WaitAsync();
{
m_frameSourceIsStreaming = overridenState ?? !m_frameSourceIsStreaming;
if (m_frameSourceIsStreaming)
{
// Start frame source, update button to pause button
await m_frameSource?.StartAsync();
UIPlayButton.Icon = new SymbolIcon(Symbol.Pause);
UIPlayButton.Label = "Pause";
}
else
{
// Stop frame source, update button to play button
await m_frameSource?.StopAsync();
UIPlayButton.Icon = new SymbolIcon(Symbol.Play);
UIPlayButton.Label = "Play";
}
}
m_lock.Release();
}
else
{
await Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () => TogglePlaybackState(overridenState));
}
}
