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-rw-r--r--dvbosd.c160
1 files changed, 98 insertions, 62 deletions
diff --git a/dvbosd.c b/dvbosd.c
index 3d57362..d21bcef 100644
--- a/dvbosd.c
+++ b/dvbosd.c
@@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
- * $Id: dvbosd.c 1.21 2003/04/12 12:10:12 kls Exp $
+ * $Id: dvbosd.c 1.22 2004/05/01 15:10:44 kls Exp $
*/
#include "dvbosd.h"
@@ -13,40 +13,49 @@
#include <sys/unistd.h>
#include "tools.h"
-const cDvbDevice *cDvbOsd::dvbDevice = NULL;
+// --- cDvbOsd ---------------------------------------------------------------
-cDvbOsd::cDvbOsd(int x, int y)
-:cOsdBase(x, y)
+#define MAXNUMWINDOWS 7 // OSD windows are counted 1...7
+#define MAXOSDMEMORY 92000 // number of bytes available to the OSD (depends on firmware version, but there is no way of determining the actual value)
+
+cDvbOsd::cDvbOsd(int Left, int Top, int OsdDev)
+:cOsd(Left, Top)
{
- osdDev = dvbDevice ? dvbDevice->OsdDeviceHandle() : -1;
- if (dvbDevice && osdDev < 0)
+ osdDev = OsdDev;
+ shown = false;
+ if (osdDev < 0)
esyslog("ERROR: illegal OSD device handle (%d)!", osdDev);
}
cDvbOsd::~cDvbOsd()
{
- for (int i = 0; i < NumWindows(); i++)
- CloseWindow(GetWindowNr(i));
-}
-
-void cDvbOsd::SetDvbDevice(const cDvbDevice *DvbDevice)
-{
- dvbDevice = DvbDevice;
+ if (shown) {
+ cBitmap *Bitmap;
+ for (int i = 0; (Bitmap = GetBitmap(i)) != NULL; i++) {
+ Cmd(OSD_SetWindow, 0, i + 1);
+ Cmd(OSD_Close);
+ }
+ }
}
-bool cDvbOsd::SetWindow(cWindow *Window)
+eOsdError cDvbOsd::CanHandleAreas(const tArea *Areas, int NumAreas)
{
- if (Window) {
- // Window handles are counted 0...(MAXNUMWINDOWS - 1), but the actual window
- // numbers in the driver are used from 1...MAXNUMWINDOWS.
- int Handle = Window->Handle();
- if (0 <= Handle && Handle < MAXNUMWINDOWS) {
- Cmd(OSD_SetWindow, 0, Handle + 1);
- return true;
- }
- esyslog("ERROR: illegal window handle: %d", Handle);
+ eOsdError Result = cOsd::CanHandleAreas(Areas, NumAreas);
+ if (Result == oeOk) {
+ if (NumAreas > MAXNUMWINDOWS)
+ return oeTooManyAreas;
+ int TotalMemory = 0;
+ 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;
+ TotalMemory += Areas[i].Width() * Areas[i].Height() / (8 / Areas[i].bpp);
+ }
+ if (TotalMemory > MAXOSDMEMORY)
+ return oeOutOfMemory;
}
- return false;
+ return Result;
}
void cDvbOsd::Cmd(OSD_Command cmd, int color, int x0, int y0, int x1, int y1, const void *data)
@@ -64,51 +73,78 @@ void cDvbOsd::Cmd(OSD_Command cmd, int color, int x0, int y0, int x1, int y1, co
}
}
-bool cDvbOsd::OpenWindow(cWindow *Window)
-{
- if (SetWindow(Window)) {
- Cmd(OSD_Open, Window->Bpp(), X0() + Window->X0(), Y0() + Window->Y0(), X0() + Window->X0() + Window->Width() - 1, Y0() + Window->Y0() + Window->Height() - 1, (void *)1); // initially hidden!
- return true;
- }
- return false;
-}
-
-void cDvbOsd::CommitWindow(cWindow *Window)
+void cDvbOsd::Flush(void)
{
- if (SetWindow(Window)) {
- int x1 = 0, y1 = 0, x2 = 0, y2 = 0;
- if (Window->Dirty(x1, y1, x2, y2)) {
- // commit colors:
- int FirstColor = 0, LastColor = 0;
- const eDvbColor *pal;
- while ((pal = Window->NewColors(FirstColor, LastColor)) != NULL)
- Cmd(OSD_SetPalette, FirstColor, LastColor, 0, 0, 0, pal);
- // commit modified data:
- Cmd(OSD_SetBlock, Window->Width(), x1, y1, x2, y2, Window->Data(x1, y1));
- }
+ cBitmap *Bitmap;
+ for (int i = 0; (Bitmap = GetBitmap(i)) != NULL; i++) {
+ Cmd(OSD_SetWindow, 0, i + 1);
+ if (!shown)
+ 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);
+#if __BYTE_ORDER == __BIG_ENDIAN
+ // actually the driver itself should access the bytes according to the current endianness!
+ colors[i] = ((colors[i] & 0xFF) << 24) | ((colors[i] & 0xFF00) << 8) | ((colors[i] & 0xFF0000) >> 8) | ((colors[i] & 0xFF000000) >> 24);
+#endif
+ }
+ Colors = colors;
+ //TODO end of stuff that should be fixed in the driver
+ Cmd(OSD_SetPalette, 0, NumColors - 1, 0, 0, 0, Colors);
+ }
+ // commit modified data:
+ 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++) {
+ Cmd(OSD_SetWindow, 0, i + 1);
+ Cmd(OSD_MoveWindow, 0, Left() + Bitmap->X0(), Top() + Bitmap->Y0());
+ }
+ shown = true;
}
}
-void cDvbOsd::ShowWindow(cWindow *Window)
-{
- if (SetWindow(Window))
- Cmd(OSD_MoveWindow, 0, X0() + Window->X0(), Y0() + Window->Y0());
-}
-
-void cDvbOsd::HideWindow(cWindow *Window, bool Hide)
-{
- if (SetWindow(Window))
- Cmd(Hide ? OSD_Hide : OSD_Show, 0);
-}
+// --- cDvbOsdProvider -------------------------------------------------------
-void cDvbOsd::MoveWindow(cWindow *Window, int x, int y)
+cDvbOsdProvider::cDvbOsdProvider(int OsdDev)
{
- if (SetWindow(Window))
- Cmd(OSD_MoveWindow, 0, X0() + x, Y0() + y);
+ osdDev = OsdDev;
}
-void cDvbOsd::CloseWindow(cWindow *Window)
+cOsd *cDvbOsdProvider::CreateOsd(int Left, int Top)
{
- if (SetWindow(Window))
- Cmd(OSD_Close);
+ return new cDvbOsd(Left, Top, osdDev);
}
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