/// <summary>
/// Creates an instance of the AdvancedPhotoCapture, configures it to capture HDR images, and registers for its events
/// </summary>
/// <returns></returns>
private async Task EnableHdrAsync()
{
// No work to be done if there already is an AdvancedCapture
if (_advancedCapture != null)
{
return;
}
// Explicitly choose HDR mode
var settings = new AdvancedPhotoCaptureSettings {
Mode = AdvancedPhotoMode.Hdr
};
// Configure the mode
_mediaCapture.VideoDeviceController.AdvancedPhotoControl.Configure(settings);
// Prepare for an advanced capture
_advancedCapture = await _mediaCapture.PrepareAdvancedPhotoCaptureAsync(ImageEncodingProperties.CreateJpeg());
Debug.WriteLine("Enabled HDR mode");
// Register for events published by the AdvancedCapture
_advancedCapture.AllPhotosCaptured += AdvancedCapture_AllPhotosCaptured;
_advancedCapture.OptionalReferencePhotoCaptured += AdvancedCapture_OptionalReferencePhotoCaptured;
}
/// <summary>
/// Cleans up the instance of the AdvancedCapture
/// </summary>
/// <returns></returns>
private async Task DisableHdrAsync()
{
// No work to be done if there is no AdvancedCapture
if (_advancedCapture == null)
{
return;
}
await _advancedCapture.FinishAsync();
_advancedCapture = null;
Debug.WriteLine("Disabled HDR mode");
}
/// <summary>
/// This event will be raised only on devices that support returning a reference photo, which is a normal exposure of the scene
/// without HDR, also referred to as "EV0".
/// </summary>
/// <param name="sender">The object raising this event.</param>
/// <param name="args">The event data.</param>
private async void AdvancedCapture_OptionalReferencePhotoCaptured(AdvancedPhotoCapture sender, OptionalReferencePhotoCapturedEventArgs args)
{
// Retrieve the context (i.e. what capture does this belong to?)
var context = args.Context as AdvancedCaptureContext;
Debug.WriteLine("AdvancedCapture_OptionalReferencePhotoCaptured for {0}", context.CaptureFileName);
// Remove "_HDR" from the name of the capture to create the name of the reference
var referenceName = context.CaptureFileName.Replace("_HDR", "");
using (var frame = args.Frame)
{
await ReencodeAndSavePhotoAsync(frame, referenceName, context.CaptureOrientation);
}
}
/// <summary>
/// Cleans up the instance of the AdvancedCapture
/// </summary>
/// <returns></returns>
private async Task DisableAdvancedCaptureAsync()
{
// No work to be done if there is no AdvancedCapture
if (_advancedCapture == null)
{
return;
}
await _advancedCapture.FinishAsync();
_advancedCapture = null;
// Reset the Advanced Capture Mode index
_advancedCaptureMode = -1;
Debug.WriteLine("Disabled Advanced Capture");
}
/// <summary>
/// This event will be raised only on devices that support returning a reference photo, which is a normal exposure of the scene
/// without HDR, also referred to as "EV0".
/// </summary>
/// <param name="sender">The object raising this event.</param>
/// <param name="args">The event data.</param>
private async void AdvancedCapture_OptionalReferencePhotoCaptured(AdvancedPhotoCapture sender, OptionalReferencePhotoCapturedEventArgs args)
{
// Retrieve the context (i.e. what capture does this belong to?)
var context = args.Context as AdvancedCaptureContext;
// Remove "_HDR" from the name of the capture to create the name of the reference photo (this is the non-HDR capture)
var referenceName = context.CaptureFileName.Replace("_HDR", "");
var file = await _captureFolder.CreateFileAsync(referenceName, CreationCollisionOption.GenerateUniqueName);
Debug.WriteLine("AdvancedCapture_OptionalReferencePhotoCaptured for " + context.CaptureFileName + ". Saving to " + file.Path);
using (var frame = args.Frame)
{
await ReencodeAndSavePhotoAsync(frame, file, context.CaptureOrientation);
}
}
/// <summary>
/// This event will be raised only on devices that support returning a reference photo, which is a normal exposure of the scene
/// without processing, also referred to as "EV0".
/// </summary>
/// <param name="sender">The object raising this event.</param>
/// <param name="args">The event data.</param>
private async void AdvancedCapture_OptionalReferencePhotoCaptured(AdvancedPhotoCapture sender, OptionalReferencePhotoCapturedEventArgs args)
{
// Retrieve the context (i.e. the information about the capture this event belongs to)
var context = args.Context as AdvancedCaptureContext;
// Add "_Reference" at the end of the filename to create when saving the reference photo
var referenceName = context.CaptureFileName.Replace(".jpg", "_Reference.jpg");
// Hold a reference to the frame before the async file creation operation so it's not cleaned up before ReencodeAndSavePhotoAsync
using (var frame = args.Frame)
{
var file = await _captureFolder.CreateFileAsync(referenceName, CreationCollisionOption.GenerateUniqueName);
Debug.WriteLine("AdvancedCapture_OptionalReferencePhotoCaptured for " + context.CaptureFileName + ". Saving to " + file.Path);
await ReencodeAndSavePhotoAsync(frame, file, context.CaptureOrientation);
}
}
/// <summary>
/// Creates an instance of the AdvancedPhotoCapture and registers for its events
/// </summary>
/// <returns></returns>
private async Task EnableAdvancedCaptureAsync()
{
// No work to be done if there already is an AdvancedCapture instance
if (_advancedCapture != null)
{
return;
}
// Configure one of the modes in the control
CycleAdvancedCaptureMode();
// Prepare for an Advanced Capture
_advancedCapture = await _mediaCapture.PrepareAdvancedPhotoCaptureAsync(ImageEncodingProperties.CreateJpeg());
Debug.WriteLine("Enabled Advanced Capture");
// Register for events published by the AdvancedCapture
_advancedCapture.AllPhotosCaptured += AdvancedCapture_AllPhotosCaptured;
_advancedCapture.OptionalReferencePhotoCaptured += AdvancedCapture_OptionalReferencePhotoCaptured;
}
private async Task InitializeForLowLight()
{
_lowLightSupported =
_mediaCapture.VideoDeviceController.AdvancedPhotoControl.SupportedModes.Contains(Windows.Media.Devices.AdvancedPhotoMode.LowLight);
_mediaCapture.VideoDeviceController.DesiredOptimization = MediaCaptureOptimization.Quality;
if (_lowLightSupported)
{
// Choose LowLight mode
var settings = new AdvancedPhotoCaptureSettings {
Mode = AdvancedPhotoMode.LowLight
};
_mediaCapture.VideoDeviceController.AdvancedPhotoControl.Configure(settings);
// Prepare for an advanced capture
_advancedCapture =
await _mediaCapture.PrepareAdvancedPhotoCaptureAsync(ImageEncodingProperties.CreateUncompressed(MediaPixelFormat.Nv12));
}
}
/// <summary>
/// This event will be raised when the capturing part of the HDR process is completed, and at this point the camera is technically ready
/// to capture again while HDR fusion occurs.
/// </summary>
/// <param name="sender">The object raising this event.</param>
/// <param name="args">The event data.</param>
private void AdvancedCapture_AllPhotosCaptured(AdvancedPhotoCapture sender, object args)
{
Debug.WriteLine("AdvancedCapture_AllPhotosCaptured");
}
/// <summary>
/// Cleans up the instance of the AdvancedCapture
/// </summary>
/// <returns></returns>
private async Task DisableHdrAsync()
{
// No work to be done if there is no AdvancedCapture
if (_advancedCapture == null) return;
await _advancedCapture.FinishAsync();
_advancedCapture = null;
Debug.WriteLine("Disabled HDR mode");
}
/// <summary>
/// This event will be raised when the capturing part of the HDR process is completed, and at this point the camera is technically ready
/// to capture again while HDR fusion occurs.
/// </summary>
/// <param name="sender">The object raising this event.</param>
/// <param name="args">The event data.</param>
private void AdvancedCapture_AllPhotosCaptured(AdvancedPhotoCapture sender, object args)
{
Debug.WriteLine("AdvancedCapture_AllPhotosCaptured");
}
/// <summary>
/// This event will be raised only on devices that support returning a reference photo, which is a normal exposure of the scene
/// without HDR, also referred to as "EV0".
/// </summary>
/// <param name="sender">The object raising this event.</param>
/// <param name="args">The event data.</param>
private async void AdvancedCapture_OptionalReferencePhotoCaptured(AdvancedPhotoCapture sender, OptionalReferencePhotoCapturedEventArgs args)
{
// Retrieve the context (i.e. what capture does this belong to?)
var context = args.Context as AdvancedCaptureContext;
// Remove "_HDR" from the name of the capture to create the name of the reference photo (this is the non-HDR capture)
var referenceName = context.CaptureFileName.Replace("_HDR", "");
var file = await _captureFolder.CreateFileAsync(referenceName, CreationCollisionOption.GenerateUniqueName);
Debug.WriteLine("AdvancedCapture_OptionalReferencePhotoCaptured for " + context.CaptureFileName + ". Saving to " + file.Path);
using (var frame = args.Frame)
{
await ReencodeAndSavePhotoAsync(frame, file, context.CaptureOrientation);
}
}
/// <summary>
/// Cleans up the instance of the AdvancedCapture
/// </summary>
/// <returns></returns>
private async Task DisableAdvancedCaptureAsync()
{
// No work to be done if there is no AdvancedCapture
if (_advancedCapture == null) return;
await _advancedCapture.FinishAsync();
_advancedCapture = null;
// Reset the Advanced Capture Mode index
_advancedCaptureMode = -1;
Debug.WriteLine("Disabled Advanced Capture");
}
/// <summary>
/// Creates an instance of the AdvancedPhotoCapture and registers for its events
/// </summary>
/// <returns></returns>
private async Task EnableAdvancedCaptureAsync()
{
// No work to be done if there already is an AdvancedCapture instance
if (_advancedCapture != null) return;
// Configure one of the modes in the control
CycleAdvancedCaptureMode();
// Prepare for an Advanced Capture
_advancedCapture = await _mediaCapture.PrepareAdvancedPhotoCaptureAsync(ImageEncodingProperties.CreateJpeg());
Debug.WriteLine("Enabled Advanced Capture");
// Register for events published by the AdvancedCapture
_advancedCapture.AllPhotosCaptured += AdvancedCapture_AllPhotosCaptured;
_advancedCapture.OptionalReferencePhotoCaptured += AdvancedCapture_OptionalReferencePhotoCaptured;
}
/// <summary>
/// This event will be raised only on devices that support returning a reference photo, which is a normal exposure of the scene
/// without processing, also referred to as "EV0".
/// </summary>
/// <param name="sender">The object raising this event.</param>
/// <param name="args">The event data.</param>
private async void AdvancedCapture_OptionalReferencePhotoCaptured(AdvancedPhotoCapture sender, OptionalReferencePhotoCapturedEventArgs args)
{
// Retrieve the context (i.e. the information about the capture this event belongs to)
var context = args.Context as AdvancedCaptureContext;
// Add "_Reference" at the end of the filename to create when saving the reference photo
var referenceName = context.CaptureFileName.Replace(".jpg", "_Reference.jpg");
// Hold a reference to the frame before the async file creation operation so it's not cleaned up before ReencodeAndSavePhotoAsync
using (var frame = args.Frame)
{
var file = await _captureFolder.CreateFileAsync(referenceName, CreationCollisionOption.GenerateUniqueName);
Debug.WriteLine("AdvancedCapture_OptionalReferencePhotoCaptured for " + context.CaptureFileName + ". Saving to " + file.Path);
await ReencodeAndSavePhotoAsync(frame, file, context.CaptureOrientation);
}
}
/// <summary>
/// This event will be raised only on devices that support returning a reference photo, which is a normal exposure of the scene
/// without HDR, also referred to as "EV0".
/// </summary>
/// <param name="sender">The object raising this event.</param>
/// <param name="args">The event data.</param>
private async void AdvancedCapture_OptionalReferencePhotoCaptured(AdvancedPhotoCapture sender, OptionalReferencePhotoCapturedEventArgs args)
{
// Retrieve the context (i.e. what capture does this belong to?)
var context = args.Context as AdvancedCaptureContext;
Debug.WriteLine("AdvancedCapture_OptionalReferencePhotoCaptured for {0}", context.CaptureFileName);
// Remove "_HDR" from the name of the capture to create the name of the reference
var referenceName = context.CaptureFileName.Replace("_HDR", "");
using (var frame = args.Frame)
{
await ReencodeAndSavePhotoAsync(frame, referenceName, context.CaptureOrientation);
}
}
/// <summary>
/// Creates an instance of the AdvancedPhotoCapture, configures it to capture HDR images, and registers for its events
/// </summary>
/// <returns></returns>
private async Task EnableHdrAsync()
{
// No work to be done if there already is an AdvancedCapture
if (_advancedCapture != null) return;
// Explicitly choose HDR mode
var settings = new AdvancedPhotoCaptureSettings { Mode = AdvancedPhotoMode.Hdr };
// Configure the mode
_mediaCapture.VideoDeviceController.AdvancedPhotoControl.Configure(settings);
// Prepare for an advanced capture
_advancedCapture = await _mediaCapture.PrepareAdvancedPhotoCaptureAsync(ImageEncodingProperties.CreateJpeg());
Debug.WriteLine("Enabled HDR mode");
// Register for events published by the AdvancedCapture
_advancedCapture.AllPhotosCaptured += AdvancedCapture_AllPhotosCaptured;
_advancedCapture.OptionalReferencePhotoCaptured += AdvancedCapture_OptionalReferencePhotoCaptured;
}
public AdvancedPhotoCaptureEvents(AdvancedPhotoCapture This)
{
this.This = This;
}
