initial import

1 files changed, 174 insertions, 0 deletions

diff --git a/dxr3osd_subpicture.c b/dxr3osd_subpicture.c
new file mode 100644
index 0000000..e6dc154
--- /dev/null
+++ b/dxr3osd_subpicture.c
@@ -0,0 +1,174 @@
+#include "dxr3osd_subpicture.h"
+
+#if VDRVERSNUM >= 10307
+
+#define MAXNUMWINDOWS 7 // OSD windows are counted 1...7
+
+// ==================================
+cDxr3SubpictureOsd::cDxr3SubpictureOsd(int Left, int Top) : cOsd(Left, Top)
+{
+	shown = false;
+	Spu = &cSPUEncoder::Instance();
+
+	// must clear all windows here to avoid flashing effects - doesn't work if done
+	// in Flush() only for the windows that are actually used...
+	for (int i = 0; i < MAXNUMWINDOWS; i++) 
+	{
+		Spu->Cmd(OSD_SetWindow, 0, i + 1);
+		Spu->Cmd(OSD_Clear);
+	}
+
+}
+
+// ==================================
+cDxr3SubpictureOsd::~cDxr3SubpictureOsd()
+{
+	if (shown) 
+	{
+		cBitmap *Bitmap;
+		for (int i = 0; (Bitmap = GetBitmap(i)) != NULL; i++) 
+		{
+			Spu->Cmd(OSD_SetWindow, 0, i + 1);
+			Spu->Cmd(OSD_Close);
+		}
+	}
+}
+
+// ==================================
+eOsdError cDxr3SubpictureOsd::CanHandleAreas(const tArea *Areas, int NumAreas)
+{
+
+	eOsdError Result = cOsd::CanHandleAreas(Areas, NumAreas);
+	if (Result == oeOk) 
+	{
+		if (NumAreas > MAXNUMWINDOWS)
+		{
+			return oeTooManyAreas;
+		}
+		
+		for (int i = 0; i < NumAreas; i++) 
+		{
+			if (Areas[i].bpp != 1 && Areas[i].bpp != 2 && Areas[i].bpp != 4 && Areas[i].bpp != 8)
+			{
+				return oeBppNotSupported;
+			}
+			
+			if ((Areas[i].Width() & (8 / Areas[i].bpp - 1)) != 0)
+			{
+				return oeWrongAlignment;
+			}
+		}
+	}
+	return Result;
+}
+
+// ==================================
+void cDxr3SubpictureOsd::SaveRegion(int x1, int y1, int x2, int y2)
+{
+	// ToDo?
+}
+
+// ==================================
+void cDxr3SubpictureOsd::RestoreRegion()
+{
+	// ToDo?
+}
+
+// ==================================
+void cDxr3SubpictureOsd::Flush()
+{
+	cBitmap *Bitmap;
+	
+	for (int i = 0; (Bitmap = GetBitmap(i)) != NULL; i++) 
+	{
+		Spu->Cmd(OSD_SetWindow, 0, i + 1);
+		
+		if (!shown)
+		{
+			Spu->Cmd(OSD_Open, Bitmap->Bpp(), Left() + Bitmap->X0(), Top() + Bitmap->Y0(), Left() + Bitmap->X0() + Bitmap->Width() - 1, Top() + Bitmap->Y0() + Bitmap->Height() - 1, (void *)1); // initially hidden!
+		}
+		
+		int x1 = 0, y1 = 0, x2 = 0, y2 = 0;
+		if (Bitmap->Dirty(x1, y1, x2, y2)) 
+		{
+			//TODO Workaround: apparently the bitmap sent to the driver always has to be a multiple
+			//TODO of 8 bits wide, and (dx * dy) also has to be a multiple of 8.
+			//TODO Fix driver (should be able to handle any size bitmaps!)
+			
+			while ((x1 > 0 || x2 < Bitmap->Width() - 1) && ((x2 - x1) & 7) != 7) 
+			{
+				if (x2 < Bitmap->Width() - 1)
+				{
+					x2++;
+				}
+				else if (x1 > 0)
+				{
+					x1--;
+				}
+			}
+			
+			//TODO "... / 2" <==> Bpp???
+			while ((y1 > 0 || y2 < Bitmap->Height() - 1) && (((x2 - x1 + 1) * (y2 - y1 + 1) / 2) & 7) != 0) 
+			{
+				if (y2 < Bitmap->Height() - 1)
+				{
+					y2++;
+				}
+				else if (y1 > 0)
+				{
+					y1--;
+				}
+			}
+			
+			while ((x1 > 0 || x2 < Bitmap->Width() - 1) && (((x2 - x1 + 1) * (y2 - y1 + 1) / 2) & 7) != 0) 
+			{
+				if (x2 < Bitmap->Width() - 1)
+				{
+					x2++;
+				}
+				else if (x1 > 0)
+				{
+					x1--;
+				}
+			}
+			
+			// commit colors:
+			int NumColors;
+			const tColor *Colors = Bitmap->Colors(NumColors);
+			
+			if (Colors) 
+			{
+
+				// TODO this should be fixed in the driver!
+				tColor colors[NumColors];
+				for (int i = 0; i < NumColors; i++) 
+				{
+					// convert AARRGGBB to AABBGGRR (the driver expects the colors the wrong way):
+					colors[i] = (Colors[i] & 0xFF000000) | ((Colors[i] & 0x0000FF) << 16) | (Colors[i] & 0x00FF00) | ((Colors[i] & 0xFF0000) >> 16);
+				}
+				
+				Colors = colors;
+				//TODO end of stuff that should be fixed in the driver
+				Spu->Cmd(OSD_SetPalette, 0, NumColors - 1, 0, 0, 0, Colors);
+			}
+			// commit modified data:
+			//Spu->Cmd(OSD_SetBlock, Bitmap->Width(), x1, y1, x2, y2, Bitmap->Data(x1, y1));
+			Spu->Cmd(OSD_SetBlock, Bitmap->Width(), x1, y1, x2, y2, Bitmap->Data(x1, y1));
+		}
+		Bitmap->Clean();
+	}
+	
+	if (!shown) 
+	{
+		// Showing the windows in a separate loop to avoid seeing them come up one after another
+		for (int i = 0; (Bitmap = GetBitmap(i)) != NULL; i++) 
+		{
+			Spu->Cmd(OSD_SetWindow, 0, i + 1);
+			Spu->Cmd(OSD_MoveWindow, 0, Left() + Bitmap->X0(), Top() + Bitmap->Y0());
+		}
+		shown = true;
+	}
+}
+
+#endif /*VDRVERSNUM*/
+