public void OnApplicationFocus(bool hasFocus)
{
if (hasFocus)
{
InitializeMediaCapture();
}
else
{
_holoLensMediaFrameSourceGroup.StopAsync();
webcamInitialized = false;
}
}
/// <summary>
/// Stop the media frame source groups.
/// </summary>
/// <returns></returns>
async Task StopHoloLensMediaFrameSourceGroup()
{
#if ENABLE_WINMD_SUPPORT
if (!_mediaFrameSourceGroupsStarted ||
_pvMediaFrameSourceGroup == null ||
_shortDepthMediaFrameSourceGroup == null)
{
return;
}
// Wait for frame source groups to stop.
await _pvMediaFrameSourceGroup.StopAsync();
_pvMediaFrameSourceGroup = null;
await _shortDepthMediaFrameSourceGroup.StopAsync();
_shortDepthMediaFrameSourceGroup = null;
// Set to null value
_sensorFrameStreamerPv = null;
_sensorFrameStreamerResearch = null;
// Bool to indicate closing
_mediaFrameSourceGroupsStarted = false;
myText.text = "Stopped streaming sensor frames. Okay to exit app.";
#endif
}