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Code Issues Releases Wiki Activity

Now checking available OSD memory at runtime

This commit is contained in:
Klaus Schmidinger 2004-11-20 14:31:13 +01:00
parent edc1440ed8
commit 20f6194d4f
3 changed files with 14 additions and 3 deletions
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1
CONTRIBUTORS
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@ -539,6 +539,7 @@ Oliver Endriss <o.endriss@gmx.de>
for adding a sample setup for 'DisiCon-4 Single Cable Network' to 'diseqc.conf'
for reporting a problem with the name of the remote control for which the keys are
being learned overwriting the date/time in the 'classic' skin
for making cDvbOsd check available OSD memory at runtime
Reinhard Walter Buchner <rw.buchner@freenet.de>
for adding some satellites to 'sources.conf'

1
HISTORY
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@ -3157,3 +3157,4 @@ Video Disk Recorder Revision History
- Fixed a possible recursion in cControl::Shutdown() (thanks to Sascha Volkenandt).
- Now setting the VPID before the APID in live mode to avoid unnecessary
overhead in the firmware (thanks to Werner Fink).
- Now checking available OSD memory at runtime (thanks to Oliver Endriss).

15
dvbosd.c
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@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: dvbosd.c 1.24 2004/07/18 10:20:05 kls Exp $
* $Id: dvbosd.c 1.25 2004/11/20 14:29:25 kls Exp $
*/
#include "dvbosd.h"
@ -18,11 +18,12 @@
// --- cDvbOsd ---------------------------------------------------------------
#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)
#define MAXOSDMEMORY 92000 // number of bytes available to the OSD (for unmodified DVB cards)
class cDvbOsd : public cOsd {
private:
int osdDev;
int osdMem;
bool shown;
void Cmd(OSD_Command cmd, int color = 0, int x0 = 0, int y0 = 0, int x1 = 0, int y1 = 0, const void *data = NULL);
public:
@ -40,6 +41,14 @@ cDvbOsd::cDvbOsd(int Left, int Top, int OsdDev)
if (osdDev < 0)
esyslog("ERROR: illegal OSD device handle (%d)!", osdDev);
else {
osdMem = MAXOSDMEMORY;
#ifdef OSD_CAP_MEMSIZE
// modified DVB cards may have more OSD memory:
osd_cap_t cap;
cap.cmd = OSD_CAP_MEMSIZE;
if (ioctl(osdDev, OSD_GET_CAPABILITY, &cap) == 0)
osdMem = cap.val;
#endif
// 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++) {
@ -74,7 +83,7 @@ eOsdError cDvbOsd::CanHandleAreas(const tArea *Areas, int NumAreas)
return oeWrongAlignment;
TotalMemory += Areas[i].Width() * Areas[i].Height() / (8 / Areas[i].bpp);
}
if (TotalMemory > MAXOSDMEMORY)
if (TotalMemory > osdMem)
return oeOutOfMemory;
}
return Result;