/// <summary>
/// The hb_set_anamorphic_size 2.
/// </summary>
/// <param name="job">
/// The job.
/// </param>
/// <param name="title">
/// The title.
/// </param>
/// <param name="setting">
/// The setting.
/// </param>
/// <returns>
/// The <see cref="AnamorphicResult"/>.
/// </returns>
public static AnamorphicResult hb_set_anamorphic_size2(PictureSettingsJob job, PictureSettingsTitle title, KeepSetting setting)
{
int settingMode = (int)setting + (job.KeepDisplayAspect ? 0x04 : 0);
hb_geometry_settings_s uiGeometry = new hb_geometry_settings_s
{
crop = new[] { job.Crop.Top, job.Crop.Bottom, job.Crop.Left, job.Crop.Right },
itu_par = 0,
keep = settingMode,
maxWidth = job.MaxWidth,
maxHeight = job.MaxHeight,
mode = (int)(hb_anamorphic_mode_t)job.AnamorphicMode,
modulus = job.Modulus.HasValue ? job.Modulus.Value : 16,
geometry = new hb_geometry_s { height = job.Height, width = job.Width, par = job.AnamorphicMode != Anamorphic.Custom ? new hb_rational_t { den = title.ParH, num = title.ParW } : new hb_rational_t { den = job.ParH, num = job.ParW }}
};
hb_geometry_s sourceGeometry = new hb_geometry_s
{
width = title.Width,
height = title.Height,
par = new hb_rational_t { den = title.ParH, num = title.ParW }
};
hb_geometry_s result = new hb_geometry_s();
HBFunctions.hb_set_anamorphic_size2(ref sourceGeometry, ref uiGeometry, ref result);
int outputWidth = result.width;
int outputHeight = result.height;
int outputParWidth = result.par.num;
int outputParHeight = result.par.den;
Debug.WriteLine("hb_set_anamorphic_size2: {0}x{1}", outputWidth, outputHeight);
return new AnamorphicResult { OutputWidth = outputWidth, OutputHeight = outputHeight, OutputParWidth = outputParWidth, OutputParHeight = outputParHeight };
}
public static extern IntPtr hb_get_preview_params_json(int title_idx, int preview_idx, int deinterlace, ref hb_geometry_settings_s settings);
public static extern void hb_set_anamorphic_size2(ref hb_geometry_s sourceGeometry, ref hb_geometry_settings_s uiGeometry, ref hb_geometry_s result);
public static extern IntPtr hb_get_preview2(IntPtr hbHandle, int title_idx, int preview_idx, ref hb_geometry_settings_s geo, int deinterlace);
public BitmapImage GetPreview(PreviewSettings settings, int previewNumber)
{
SourceTitle title = this.Titles.TitleList.FirstOrDefault(t => t.Index == settings.TitleNumber);
// Create the Expected Output Geometry details for libhb.
hb_geometry_settings_s uiGeometry = new hb_geometry_settings_s
{
crop = new[] { settings.Cropping.Top, settings.Cropping.Bottom, settings.Cropping.Left, settings.Cropping.Right },
itu_par = 0,
keep = (int)AnamorphicFactory.KeepSetting.HB_KEEP_WIDTH + (settings.KeepDisplayAspect ? 0x04 : 0), // TODO Keep Width?
maxWidth = settings.MaxWidth,
maxHeight = settings.MaxHeight,
mode = (int)(hb_anamorphic_mode_t)settings.Anamorphic,
modulus = settings.Modulus ?? 16,
geometry = new hb_geometry_s
{
height = settings.Height,
width = settings.Width,
par = settings.Anamorphic != Anamorphic.Custom
? new hb_rational_t { den = title.Geometry.PAR.Den, num = title.Geometry.PAR.Num }
: new hb_rational_t { den = settings.PixelAspectY, num = settings.PixelAspectX }
}
};
// Sanitize the input.
Geometry resultGeometry = AnamorphicFactory.CreateGeometry(settings, new SourceVideoInfo(new Size(title.Geometry.Width, title.Geometry.Height), new Size(title.Geometry.PAR.Num, title.Geometry.PAR.Den)));
int width = resultGeometry.Width * resultGeometry.PAR.Num / resultGeometry.PAR.Den;
int height = resultGeometry.Height;
uiGeometry.geometry.width = width;
uiGeometry.geometry.height = height;
uiGeometry.geometry.par.num = settings.PixelAspectX;
uiGeometry.geometry.par.den = settings.PixelAspectY;
// Fetch the image data from LibHb
IntPtr resultingImageStuct = HBFunctions.hb_get_preview2(this.hbHandle, settings.TitleNumber, previewNumber, ref uiGeometry, 0);
hb_image_s image = InteropUtilities.ToStructureFromPtr<hb_image_s>(resultingImageStuct);
// Copy the filled image buffer to a managed array.
int stride_width = image.plane[0].stride;
int stride_height = image.plane[0].height_stride;
int imageBufferSize = stride_width * stride_height; // int imageBufferSize = outputWidth * outputHeight * 4;
byte[] managedBuffer = new byte[imageBufferSize];
Marshal.Copy(image.plane[0].data, managedBuffer, 0, imageBufferSize);
var bitmap = new Bitmap(width, height);
BitmapData bitmapData = bitmap.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.WriteOnly, PixelFormat.Format32bppRgb);
IntPtr ptr = bitmapData.Scan0; // Pointer to the first pixel.
for (int i = 0; i < image.height; i++)
{
try
{
Marshal.Copy(managedBuffer, i * stride_width, ptr, stride_width);
ptr = IntPtr.Add(ptr, width * 4);
}
catch (Exception exc)
{
Debug.WriteLine(exc); // In theory, this will allow a partial image display if this happens. TODO add better logging of this.
}
}
bitmap.UnlockBits(bitmapData);
// Close the image so we don't leak memory.
IntPtr nativeJobPtrPtr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(IntPtr)));
Marshal.WriteIntPtr(nativeJobPtrPtr, resultingImageStuct);
HBFunctions.hb_image_close(nativeJobPtrPtr);
Marshal.FreeHGlobal(nativeJobPtrPtr);
// Create a Bitmap Image for display.
using (var memoryStream = new MemoryStream())
{
try
{
bitmap.Save(memoryStream, ImageFormat.Bmp);
}
finally
{
bitmap.Dispose();
}
var wpfBitmap = new BitmapImage();
wpfBitmap.BeginInit();
wpfBitmap.CacheOption = BitmapCacheOption.OnLoad;
wpfBitmap.StreamSource = memoryStream;
wpfBitmap.EndInit();
wpfBitmap.Freeze();
return wpfBitmap;
}
}
public static extern void hb_set_anamorphic_size2(ref hb_geometry_s sourceGeometry, ref hb_geometry_settings_s uiGeometry, ref hb_geometry_s result);
public static extern IntPtr hb_get_preview_params_json(int title_idx, int preview_idx, int deinterlace, ref hb_geometry_settings_s settings);
public static extern IntPtr hb_get_preview2(IntPtr hbHandle, int title_idx, int preview_idx, ref hb_geometry_settings_s geo, int deinterlace);
