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Code Issues Releases Wiki Activity

Improved SPU handling on devices with limited OSD capabilities

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This commit is contained in:
Klaus Schmidinger 2009-12-05 14:45:07 +01:00
parent fa5db6d777
commit 1b973fd8eb
4 changed files with 108 additions and 24 deletions
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3
CONTRIBUTORS
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@ -2514,3 +2514,6 @@ Milan Hrala <hrala.milan@gmail.com>
Andreas Schaefers <andreas_schaefers@gmx.de>
for adding the audio id to the call of PlayAudio() in cDevice::PlayTsAudio()
Matthieu Castet <castet.matthieu@free.fr>
for improving SPU handling on devices with limited OSD capabilities

2
HISTORY
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@ -6207,3 +6207,5 @@ Video Disk Recorder Revision History
cPatPmtGenerator::GeneratePmt(), because VDR doesn't record the PCR pid.
- Updated the Estonian OSD texts (thanks to Arthur Konovalov).
- The 'sky' plugin is no longer part of the VDR source.
- Improved SPU handling on devices with limited OSD capabilities (thanks to
Matthieu Castet).

120
dvbspu.c
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@ -8,7 +8,7 @@
*
* parts of this file are derived from the OMS program.
*
* $Id: dvbspu.c 2.2 2009/11/22 14:17:59 kls Exp $
* $Id: dvbspu.c 2.3 2009/12/05 14:41:40 kls Exp $
*/
#include "dvbspu.h"
@ -340,6 +340,35 @@ sDvbSpuRect cDvbSpuDecoder::CalcAreaSize(sDvbSpuRect fgsize, cBitmap *fgbmp, sDv
return size;
}
int cDvbSpuBitmap::getMinBpp(const aDvbSpuPalDescr paldescr)
{
int col = 1;
for (int i = 0; i < 4; i++) {
if (paldescr[i].trans != 0) {
col++;
}
}
return col > 2 ? 2 : 1;
}
int cDvbSpuDecoder::CalcAreaBpp(cBitmap *fgbmp, cBitmap *bgbmp)
{
int fgbpp = 0;
int bgbpp = 0;
int ret;
if (fgbmp) {
fgbpp = spubmp->getMinBpp(hlpDescr);
}
if (bgbmp) {
bgbpp = spubmp->getMinBpp(palDescr);
}
ret = fgbpp + bgbpp;
if (ret > 2)
ret = 4;
return ret;
}
void cDvbSpuDecoder::Draw(void)
{
cMutexLock MutexLock(&mutex);
@ -347,43 +376,89 @@ void cDvbSpuDecoder::Draw(void)
Hide();
return;
}
sDvbSpuRect bgsize;
cBitmap *fg = NULL;
cBitmap *bg = NULL;
sDvbSpuRect bgsize;
sDvbSpuRect hlsize;
hlsize.x1 = hlpsize.x1;
hlsize.y1 = hlpsize.y1;
hlsize.x2 = hlpsize.x2;
hlsize.y2 = hlpsize.y2;
if (highlight)
fg = spubmp->getBitmap(hlpDescr, palette, hlsize);
fg = spubmp->getBitmap(hlpDescr, palette, hlpsize);
if (spubmp->getMinSize(palDescr, bgsize))
bg = spubmp->getBitmap(palDescr, palette, bgsize);
sDvbSpuRect areaSize = CalcAreaSize(hlsize, fg, bgsize, bg);
if (!fg || !bg || !osd) {
Hide();
}
if (bg || fg) {
if (osd == NULL) {
restricted_osd = false;
osd = cOsdProvider::NewOsd(0, 0);
if ((areaSize.width() & 3) != 0)
areaSize.x2 += 4 - (areaSize.width() & 3);
tArea Area = { areaSize.x1, areaSize.y1, areaSize.x2, areaSize.y2, (fg && bg) ? 4 : 2 };
if (osd->SetAreas(&Area, 1) != oeOk)
tArea Area = { size.x1, size.y1, size.x2, size.y2, 4};
if (osd->CanHandleAreas(&Area, 1) != oeOk)
restricted_osd = true;
else
osd->SetAreas(&Area, 1);
}
if (restricted_osd) {
sDvbSpuRect hlsize;
bool setarea = false;
/* reduce fg area (only valid if there is no bg below) */
if (fg) {
spubmp->getMinSize(hlpDescr,hlsize);
/* clip to the highligh area */
setMax(hlsize.x1, hlpsize.x1);
setMax(hlsize.y1, hlpsize.y1);
setMin(hlsize.x2, hlpsize.x2);
setMin(hlsize.y2, hlpsize.y2);
if (hlsize.x1 > hlsize.x2 || hlsize.y1 > hlsize.y2) {
hlsize.x1 = hlsize.x2 = hlsize.y1 = hlsize.y2 = 0;
}
}
sDvbSpuRect areaSize = CalcAreaSize((fg && bg) ? hlpsize : hlsize, fg, bgsize, bg);
#define DIV(a, b) (a/b)?:1
for (int d = 1; !setarea && d <= 2; d++) {
/* first try old behaviour */
tArea Area = { areaSize.x1, areaSize.y1, areaSize.x2, areaSize.y2, DIV(CalcAreaBpp(fg, bg), d) };
if ((Area.Width() & 7) != 0)
Area.x2 += 8 - (Area.Width() & 7);
if (osd->CanHandleAreas(&Area, 1) == oeOk &&
osd->SetAreas(&Area, 1) == oeOk)
setarea = true;
/* second try to split area if there is both area */
if (!setarea && fg && bg) {
tArea Area_Both [2] = {
{bgsize.x1, bgsize.y1, bgsize.x2, bgsize.y2, DIV(CalcAreaBpp(0, bg), d)},
{hlpsize.x1, hlpsize.y1, hlpsize.x2, hlpsize.y2, DIV(CalcAreaBpp(fg, 0), d)}
};
if (!Area_Both[0].Intersects(Area_Both[1])) {
/* there is no intersection. We can reduce hl */
Area_Both[1].x1 = hlsize.x1;
Area_Both[1].y1 = hlsize.y1;
Area_Both[1].x2 = hlsize.x2;
Area_Both[1].y2 = hlsize.y2;
if ((Area_Both[0].Width() & 7) != 0)
Area_Both[0].x2 += 8 - (Area_Both[0].Width() & 7);
if ((Area_Both[1].Width() & 7) != 0)
Area_Both[1].x2 += 8 - (Area_Both[1].Width() & 7);
if (osd->CanHandleAreas(Area_Both, 2) == oeOk &&
osd->SetAreas(Area_Both, 2) == oeOk)
setarea = true;
}
}
}
if (!setarea)
dsyslog("dvbspu: AreaSize (%d, %d) (%d, %d) Bpp %d", areaSize.x1, areaSize.y1, areaSize.x2, areaSize.y2, (fg && bg) ? 4 : 2 );
}
/* we could draw use DrawPixel on osd */
if (bg || fg) {
if (bg)
osd->DrawBitmap(bgsize.x1, bgsize.y1, *bg);
if (fg)
osd->DrawBitmap(hlsize.x1, hlsize.y1, *fg);
osd->DrawBitmap(hlpsize.x1, hlpsize.y1, *fg);
delete fg;
delete bg;
@ -514,6 +589,7 @@ int cDvbSpuDecoder::setTime(uint32_t pts)
}
}
if (fodd != 0 && feven != 0) {
Hide();
delete spubmp;
spubmp = new cDvbSpuBitmap(size, spu + fodd, spu + feven,
spu + feven, spu + cmdOffs());

5
dvbspu.h
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@ -8,7 +8,7 @@
*
* parts of this file are derived from the OMS program.
*
* $Id: dvbspu.h 2.1 2009/05/09 16:26:45 kls Exp $
* $Id: dvbspu.h 2.2 2009/12/05 14:40:08 kls Exp $
*/
#ifndef __DVBSPU_H
@ -80,6 +80,7 @@ class cDvbSpuBitmap {
bool getMinSize(const aDvbSpuPalDescr paldescr,
sDvbSpuRect & size) const;
int getMinBpp(const aDvbSpuPalDescr paldescr);
cBitmap *getBitmap(const aDvbSpuPalDescr paldescr,
const cDvbSpuPalette & pal,
sDvbSpuRect & size) const;
@ -97,6 +98,7 @@ class cDvbSpuDecoder:public cSpuDecoder {
uint32_t spupts;
bool clean;
bool ready;
bool restricted_osd;
enum spFlag { spNONE, spHIDE, spSHOW, spMENU };
spFlag state;
@ -129,6 +131,7 @@ class cDvbSpuDecoder:public cSpuDecoder {
};
sDvbSpuRect CalcAreaSize(sDvbSpuRect fgsize, cBitmap *fgbmp, sDvbSpuRect bgsize, cBitmap *bgbmp);
int CalcAreaBpp(cBitmap *fgbmp, cBitmap *bgbmp);
public:
cDvbSpuDecoder();