/// <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; } }