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Fixed reusing OSD in cDvbSpuDecoder

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This commit is contained in:
Klaus Schmidinger
2005-01-02 15:29:49 +01:00
parent 0b3a801ab4
commit ab177a1579
3 changed files with 25 additions and 5 deletions
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28
dvbspu.c
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@@ -8,7 +8,7 @@
*
* parts of this file are derived from the OMS program.
*
* $Id: dvbspu.c 1.8 2004/11/06 11:50:13 kls Exp $
* $Id: dvbspu.c 1.9 2005/01/02 15:27:07 kls Exp $
*/
#include <assert.h>
@@ -349,6 +349,20 @@ sDvbSpuRect cDvbSpuDecoder::CalcAreaSize(sDvbSpuRect fgsize, cBitmap *fgbmp, sDv
return size;
}
static bool OsdMatchesArea(cOsd *osd, tArea &area)
{
cBitmap *bmp = osd->GetBitmap(0);
if (!bmp)
return false;
if (bmp->Bpp() != area.bpp)
return false;
if (bmp->X0() != area.x1 || bmp->Y0() != area.y1)
return false;
if (bmp->Width() != area.Width() || bmp->Height() != area.Height())
return false;
return true;
}
void cDvbSpuDecoder::Draw(void)
{
if (!spubmp) {
@@ -386,12 +400,16 @@ void cDvbSpuDecoder::Draw(void)
}
if (bg || fg) {
int x2 = areaSize.x2;
while ((x2 - areaSize.x1 + 1) & 0x03)
x2++;
tArea Area = { areaSize.x1, areaSize.y1, x2, areaSize.y2, (fg && bg) ? 4 : 2 };
if (osd && !OsdMatchesArea(osd, Area)) {
delete osd;
osd = NULL;
}
if (osd == NULL) {
osd = cOsdProvider::NewOsd(0, 0);
int x2 = areaSize.x2;
while ((x2 - areaSize.x1 + 1) & 0x03)
x2++;
tArea Area = { areaSize.x1, areaSize.y1, x2, areaSize.y2, (fg && bg) ? 4 : 2 };
osd->SetAreas(&Area, 1);
}