internal async void radRecord_Checked(Object sender, Windows.UI.Xaml.RoutedEventArgs e)
{
try
{
if (!m_bRecording)
{
//if camera does not support lowlag record and lowlag photo at the same time
//disable all buttons while preparing lowlag record
btnTakePhoto2.IsEnabled = false;
btnStartStopRecord2.IsEnabled = false;
//uncheck TakePhoto Mode
radTakePhoto.IsChecked = false;
//disable check option while preparing lowlag record
radTakePhoto.IsEnabled = false;
radRecord.IsEnabled = false;
if (m_bLowLagPrepared)
{
//if camera does not support lowlag record and lowlag photo at the same time
//but lowlag photo is already prepared, un-prepare lowlag photo first, before preparing lowlag record
await m_lowLagPhoto.FinishAsync();
m_bLowLagPrepared = false;
//prepare lowlag record
PrepareForVideoRecording();
m_recordStorageFile = await Windows.Storage.KnownFolders.VideosLibrary.CreateFileAsync(VIDEO_FILE_NAME, Windows.Storage.CreationCollisionOption.GenerateUniqueName);
ShowStatusMessage("Create record file successful");
MediaEncodingProfile recordProfile = null;
recordProfile = MediaEncodingProfile.CreateMp4(Windows.Media.MediaProperties.VideoEncodingQuality.Auto);
m_lowLagRecord = await m_mediaCaptureMgr.PrepareLowLagRecordToStorageFileAsync(recordProfile, m_recordStorageFile);
btnStartStopRecord2.IsEnabled = true;
m_bRecording = true;
btnStartStopRecord2.Content = "StartRecord";
//re-enable check option, after lowlag record finish preparing
radTakePhoto.IsEnabled = true;
radRecord.IsEnabled = true;
}
else //(!m_bLowLagPrepared)
{
//if camera does not support lowlag record and lowlag photo at the same time
//lowlag photo is not prepared, go ahead to prepare lowlag record
PrepareForVideoRecording();
m_recordStorageFile = await Windows.Storage.KnownFolders.VideosLibrary.CreateFileAsync(VIDEO_FILE_NAME, Windows.Storage.CreationCollisionOption.GenerateUniqueName);
ShowStatusMessage("Create record file successful");
MediaEncodingProfile recordProfile = null;
recordProfile = MediaEncodingProfile.CreateMp4(Windows.Media.MediaProperties.VideoEncodingQuality.Auto);
m_lowLagRecord = await m_mediaCaptureMgr.PrepareLowLagRecordToStorageFileAsync(recordProfile, m_recordStorageFile);
btnStartStopRecord2.IsEnabled = true;
m_bRecording = true;
btnStartStopRecord2.Content = "StartRecord";
//re-enable check option, after lowlag record finish preparing
radTakePhoto.IsEnabled = true;
radRecord.IsEnabled = true;
}
}
}
catch (Exception exception)
{
ShowExceptionMessage(exception);
}
}
private async void PrepareLowLagRecordAsync()
{
try
{
PrepareForVideoRecording();
m_recordStorageFile = await Windows.Storage.KnownFolders.VideosLibrary.CreateFileAsync(VIDEO_FILE_NAME, Windows.Storage.CreationCollisionOption.GenerateUniqueName);
ShowStatusMessage("Create record file successful");
MediaEncodingProfile recordProfile = null;
recordProfile = MediaEncodingProfile.CreateMp4(Windows.Media.MediaProperties.VideoEncodingQuality.Auto);
m_lowLagRecord = await m_mediaCaptureMgr.PrepareLowLagRecordToStorageFileAsync(recordProfile, m_recordStorageFile);
m_bRecording = true;
btnStartStopRecord2.Content = "StartRecord";
btnStartStopRecord2.IsEnabled = true;
}
catch (Exception exception)
{
ShowExceptionMessage(exception);
}
}