/// <summary>
/// Get a Preview image for the current job and preview number.
/// </summary>
/// <param name="job">
/// The job.
/// </param>
/// <param name="preview">
/// The preview.
/// </param>
/// <returns>
/// The <see cref="BitmapImage"/>.
/// </returns>
public BitmapImage GetPreview(EncodeTask job, int preview)
{
if (this.instance == null)
{
return(null);
}
BitmapImage bitmapImage = null;
try
{
EncodeTaskFactory factory = new EncodeTaskFactory(this.userSettingService);
JsonEncodeObject jobDict = factory.Create(job, HBConfigurationFactory.Create());
RawPreviewData bitmapData = this.instance.GetPreview(jobDict, preview);
bitmapImage = BitmapUtilities.ConvertToBitmapImage(BitmapUtilities.ConvertByteArrayToBitmap(bitmapData));
}
catch (AccessViolationException e)
{
Debug.WriteLine(e);
}
return(bitmapImage);
}
/// <summary>
/// Get a Preview image for the current job and preview number.
/// </summary>
/// <param name="job">
/// The job.
/// </param>
/// <param name="preview">
/// The preview.
/// </param>
/// <param name="configuraiton">
/// The configuraiton.
/// </param>
/// <returns>
/// The <see cref="BitmapImage"/>.
/// </returns>
public BitmapImage GetPreview(EncodeTask job, int preview, HBConfiguration configuraiton)
{
if (this.instance == null)
{
return(null);
}
BitmapImage bitmapImage = null;
try
{
PreviewSettings settings = new PreviewSettings
{
Cropping = new Cropping(job.Cropping),
MaxWidth = job.MaxWidth ?? 0,
MaxHeight = job.MaxHeight ?? 0,
KeepDisplayAspect = job.KeepDisplayAspect,
TitleNumber = job.Title,
Anamorphic = job.Anamorphic,
Modulus = job.Modulus,
Width = job.Width ?? 0,
Height = job.Height ?? 0,
PixelAspectX = job.PixelAspectX,
PixelAspectY = job.PixelAspectY
};
var bitmapData = this.instance.GetPreview(settings, preview, job.DeinterlaceFilter != DeinterlaceFilter.Off);
bitmapImage = BitmapUtilities.ConvertToBitmapImage(BitmapUtilities.ConvertByteArrayToBitmap(bitmapData));
}
catch (AccessViolationException e)
{
Debug.WriteLine(e);
}
return(bitmapImage);
}
private void ProcessPreviewImageWork(object state)
{
PreviewImageJob imageJob;
bool workLeft = true;
while (workLeft)
{
lock (this.imageSync)
{
if (this.previewImageWorkQueue.Count == 0)
{
this.previewImageQueueProcessing = false;
return;
}
imageJob = this.previewImageWorkQueue.Dequeue();
while (imageJob.UpdateVersion < updateVersion)
{
if (this.previewImageWorkQueue.Count == 0)
{
this.previewImageQueueProcessing = false;
return;
}
imageJob = this.previewImageWorkQueue.Dequeue();
}
}
string imagePath = Path.Combine(
Utilities.ImageCacheFolder,
Process.GetCurrentProcess().Id.ToString(CultureInfo.InvariantCulture),
imageJob.UpdateVersion.ToString(CultureInfo.InvariantCulture),
imageJob.PreviewIndex.ToString(CultureInfo.InvariantCulture) + ".bmp");
BitmapSource imageSource = null;
// Check the disc cache for the image
lock (imageJob.ImageFileSync)
{
if (File.Exists(imagePath))
{
Uri imageUri;
if (Uri.TryCreate(imagePath, UriKind.Absolute, out imageUri))
{
// When we read from disc cache the image is already transformed.
var bitmapImage = new BitmapImage();
bitmapImage.BeginInit();
bitmapImage.CacheOption = BitmapCacheOption.OnLoad;
bitmapImage.UriSource = imageUri;
bitmapImage.EndInit();
bitmapImage.Freeze();
imageSource = bitmapImage;
}
else
{
StaticResolver.Resolve <IAppLogger>().LogError($"Could not load cached preview image from {imagePath} . Did not parse as a URI.");
}
}
}
if (imageSource == null && !imageJob.ScanInstance.IsDisposed)
{
// Make a HandBrake call to get the image
imageSource = BitmapUtilities.ConvertToBitmapImage(BitmapUtilities.ConvertByteArrayToBitmap(imageJob.ScanInstance.GetPreview(imageJob.Profile.CreatePreviewSettings(imageJob.Title), imageJob.PreviewIndex, imageJob.Profile.DeinterlaceType != VCDeinterlace.Off)));
// Transform the image as per rotation and reflection settings
VCProfile profile = imageJob.Profile;
if (profile.FlipHorizontal || profile.FlipVertical || profile.Rotation != VCPictureRotation.None)
{
imageSource = CreateTransformedBitmap(imageSource, profile);
}
// Start saving the image file in the background and continue to process the queue.
ThreadPool.QueueUserWorkItem(this.BackgroundFileSave, new SaveImageJob
{
PreviewNumber = imageJob.PreviewIndex,
UpdateVersion = imageJob.UpdateVersion,
FilePath = imagePath,
Image = imageSource,
ImageFileSync = imageJob.ImageFileSync
});
}
lock (this.imageSync)
{
if (imageJob.UpdateVersion == updateVersion)
{
this.previewImageCache[imageJob.PreviewIndex] = imageSource;
int previewIndex = imageJob.PreviewIndex;
DispatchUtilities.BeginInvoke(() =>
{
this.ImageLoaded?.Invoke(this, new PreviewImageLoadInfo {
PreviewImage = imageSource, PreviewIndex = previewIndex
});
//this.previewBitmapSource = imageSource;
//this.RefreshFromBitmapImage();
});
//if (this.SelectedPreview == imageJob.PreviewIndex)
// {
// DispatchUtilities.BeginInvoke(() =>
// {
// this.previewBitmapSource = imageSource;
// this.RefreshFromBitmapImage();
// });
// }
}
if (this.previewImageWorkQueue.Count == 0)
{
workLeft = false;
this.previewImageQueueProcessing = false;
}
}
}
}
public QueueTitlesWindowViewModel()
{
this.main = StaticResolver.Resolve <MainViewModel>();
this.PickersService = StaticResolver.Resolve <PickersService>();
this.windowManager = StaticResolver.Resolve <IWindowManager>();
this.titleStartOverrideEnabled = Config.QueueTitlesUseTitleOverride;
this.titleStartOverride = Config.QueueTitlesTitleOverride;
this.nameOverrideEnabled = Config.QueueTitlesUseNameOverride;
this.nameOverride = Config.QueueTitlesNameOverride;
this.RefreshTitles();
this.main.WhenAnyValue(x => x.SourceData)
.Skip(1)
.Subscribe(_ =>
{
this.RefreshTitles();
});
this.PickersService.WhenAnyValue(x => x.SelectedPicker.Picker.TitleRangeSelectEnabled)
.Skip(1)
.Subscribe(_ =>
{
this.SetSelectedFromRange();
});
this.PickersService.WhenAnyValue(x => x.SelectedPicker.Picker.TitleRangeSelectStartMinutes)
.Skip(1)
.Subscribe(_ =>
{
this.SetSelectedFromRange();
});
this.PickersService.WhenAnyValue(x => x.SelectedPicker.Picker.TitleRangeSelectEndMinutes)
.Skip(1)
.Subscribe(_ =>
{
this.SetSelectedFromRange();
});
this.SelectedTitles.CollectionChanged +=
(sender, args) =>
{
this.RaisePropertyChanged(nameof(this.TitleDetailsVisible));
if (this.SelectedTitles.Count == 1)
{
SourceTitle title = this.SelectedTitles[0].Title;
// Do preview
var previewProfile =
new VCProfile
{
CustomCropping = true,
Cropping = new VCCropping(),
VideoEncoder = "x264",
AudioEncodings = new List <AudioEncoding>()
};
this.PreviewImage = BitmapUtilities.ConvertToBitmapImage(BitmapUtilities.ConvertByteArrayToBitmap(this.main.ScanInstance.GetPreview(previewProfile.CreatePreviewSettings(title), 2, deinterlace: false)));
this.RaisePropertyChanged(nameof(this.TitleText));
}
};
}