internal async void addEffectToImageStream()
{
try
{
if ((m_mediaCaptureMgr.MediaCaptureSettings.VideoDeviceCharacteristic != Windows.Media.Capture.VideoDeviceCharacteristic.AllStreamsIdentical) &&
(m_mediaCaptureMgr.MediaCaptureSettings.VideoDeviceCharacteristic != Windows.Media.Capture.VideoDeviceCharacteristic.PreviewPhotoStreamsIdentical) &&
(m_mediaCaptureMgr.MediaCaptureSettings.VideoDeviceCharacteristic != Windows.Media.Capture.VideoDeviceCharacteristic.RecordPhotoStreamsIdentical))
{
IMediaEncodingProperties props2 = m_mediaCaptureMgr.VideoDeviceController.GetMediaStreamProperties(Windows.Media.Capture.MediaStreamType.Photo);
if (props2.Type.Equals("Image")) //Cant add an effect to an image type
{
//Change the media type on the stream
System.Collections.Generic.IReadOnlyList<IMediaEncodingProperties> supportedPropsList = m_mediaCaptureMgr.VideoDeviceController.GetAvailableMediaStreamProperties(Windows.Media.Capture.MediaStreamType.Photo);
int i = 0;
while (i++ < supportedPropsList.Count)
{
if (supportedPropsList[i].Type.Equals("Video"))
{
var bLowLagPrepare_tmp = m_bLowLagPrepared;
//it is necessary to un-prepare the lowlag photo before adding effect, since adding effect needs to change mediaType if it was not "Video" type;
if (m_bLowLagPrepared)
{
ShowStatusMessage("Stopping LowLagPhoto");
await m_lowLagPhoto.FinishAsync();
btnTakePhoto2.IsEnabled = false;
m_bLowLagPrepared = false;
}
await m_mediaCaptureMgr.VideoDeviceController.SetMediaStreamPropertiesAsync(Windows.Media.Capture.MediaStreamType.Photo, supportedPropsList[i]);
ShowStatusMessage("Change type on image pin successful");
await m_mediaCaptureMgr.AddEffectAsync(Windows.Media.Capture.MediaStreamType.Photo, "GrayscaleTransform.GrayscaleEffect", null);
ShowStatusMessage("Add effect to photo successful");
m_bEffectAddedToPhoto = true;
chkAddRemoveEffect.IsEnabled = true;
//Prepare LowLag Photo again if LowLag Photo was prepared before adding effect;
if (bLowLagPrepare_tmp)
{
m_lowLagPhoto = await m_mediaCaptureMgr.PrepareLowLagPhotoCaptureAsync(ImageEncodingProperties.CreateJpeg());
btnTakePhoto2.IsEnabled = true;
m_bLowLagPrepared = true;
}
break;
}
}
chkAddRemoveEffect.IsEnabled = true;
}
else
{
await m_mediaCaptureMgr.AddEffectAsync(Windows.Media.Capture.MediaStreamType.Photo, "GrayscaleTransform.GrayscaleEffect", null);
ShowStatusMessage("Add effect to photo successful");
chkAddRemoveEffect.IsEnabled = true;
m_bEffectAddedToPhoto = true;
}
}
else
{
chkAddRemoveEffect.IsEnabled = true;
}
}
catch (Exception exception)
{
ShowExceptionMessage(exception);
}
}
internal async void radTakePhoto_Checked(Object sender, Windows.UI.Xaml.RoutedEventArgs e)
{
try
{
if (!m_bLowLagPrepared)
{
//if camera does not support lowlag record and lowlag photo at the same time
//disable all buttons while preparing lowlag photo
btnStartStopRecord2.IsEnabled = false;
btnTakePhoto2.IsEnabled = false;
//uncheck record Mode
radRecord.IsChecked = false;
//disable check option while preparing lowlag photo
radTakePhoto.IsEnabled = false;
radRecord.IsEnabled = false;
if (m_bRecording)
{
//if camera does not support lowlag record and lowlag photo at the same time
//but lowlag record is already prepared, un-prepare lowlag record first, before preparing lowlag photo
m_bRecording = false;
await m_lowLagRecord.FinishAsync();
ShowStatusMessage("Stopped record on preparing lowlag Photo:" + m_recordStorageFile.Path);
m_lowLagPhoto = await m_mediaCaptureMgr.PrepareLowLagPhotoCaptureAsync(ImageEncodingProperties.CreateJpeg());
btnTakePhoto2.IsEnabled = true;
m_bLowLagPrepared = true;
//re-enable check option, after lowlag record finish preparing
radTakePhoto.IsEnabled = true;
radRecord.IsEnabled = true;
}
else //(!m_bRecording)
{
//if camera does not support lowlag record and lowlag photo at the same time
//lowlag record is not prepared, go ahead to prepare lowlag photo
m_lowLagPhoto = await m_mediaCaptureMgr.PrepareLowLagPhotoCaptureAsync(ImageEncodingProperties.CreateJpeg());
btnTakePhoto2.IsEnabled = true;
m_bLowLagPrepared = true;
//re-enable check option, after lowlag record finish preparing
radTakePhoto.IsEnabled = true;
radRecord.IsEnabled = true;
}
}
}
catch (Exception exception)
{
ShowExceptionMessage(exception);
}
}
internal async void btnStartDevice_Click(Object sender, Windows.UI.Xaml.RoutedEventArgs e)
{
try
{
btnStartDevice2.IsEnabled = false;
m_bReversePreviewRotation = false;
ShowStatusMessage("Starting device");
m_mediaCaptureMgr = new Windows.Media.Capture.MediaCapture();
var settings = new Windows.Media.Capture.MediaCaptureInitializationSettings();
var chosenDevInfo = m_devInfoCollection[EnumedDeviceList2.SelectedIndex];
settings.VideoDeviceId = chosenDevInfo.Id;
if (EnumedMicrophonesList2.SelectedIndex >= 0 && m_microPhoneInfoCollection.Count > 0)
{
var chosenMicrophoneInfo = m_microPhoneInfoCollection[EnumedMicrophonesList2.SelectedIndex];
settings.AudioDeviceId = chosenMicrophoneInfo.Id;
}
if (chosenDevInfo.EnclosureLocation != null && chosenDevInfo.EnclosureLocation.Panel == Windows.Devices.Enumeration.Panel.Back)
{
m_bRotateVideoOnOrientationChange = true;
m_bReversePreviewRotation = false;
}
else if (chosenDevInfo.EnclosureLocation != null && chosenDevInfo.EnclosureLocation.Panel == Windows.Devices.Enumeration.Panel.Front)
{
m_bRotateVideoOnOrientationChange = true;
m_bReversePreviewRotation = true;
}
else
{
m_bRotateVideoOnOrientationChange = false;
}
await m_mediaCaptureMgr.InitializeAsync(settings);
if (m_mediaCaptureMgr.MediaCaptureSettings.VideoDeviceId != "" && m_mediaCaptureMgr.MediaCaptureSettings.AudioDeviceId != "")
{
btnStartPreview2.IsEnabled = true;
ShowStatusMessage("Device initialized successful");
chkAddRemoveEffect.IsEnabled = true;
chkAddRemoveEffect.IsChecked = false;
m_mediaCaptureMgr.RecordLimitationExceeded += new Windows.Media.Capture.RecordLimitationExceededEventHandler(RecordLimitationExceeded);
m_mediaCaptureMgr.Failed += new Windows.Media.Capture.MediaCaptureFailedEventHandler(Failed);
if (!m_mediaCaptureMgr.MediaCaptureSettings.ConcurrentRecordAndPhotoSupported)
{
radTakePhoto.IsEnabled = true;
radRecord.IsEnabled = true;
//choose TakePhoto Mode as defaul
radTakePhoto.IsChecked = true;
}
else
{
//prepare lowlag photo, then prepare lowlag record
m_lowLagPhoto = await m_mediaCaptureMgr.PrepareLowLagPhotoCaptureAsync(ImageEncodingProperties.CreateJpeg());
btnTakePhoto2.IsEnabled = true;
m_bLowLagPrepared = true;
PrepareLowLagRecordAsync();
//disable check options
radTakePhoto.IsEnabled = false;
radRecord.IsEnabled = false;
}
EnumerateSceneModeAsync();
}
else
{
btnStartDevice2.IsEnabled = true;
ShowStatusMessage("No VideoDevice/AudioDevice Found");
}
}
catch (Exception exception)
{
ShowExceptionMessage(exception);
}
}