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/*
* dxr3spudecoder.h
*
* Copyright (C) 2004 Christian Gmeiner
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifndef _DXR3SPUDECODER_H_
#define _DXR3SPUDECODER_H_
#include <vdr/osd.h>
#include <vdr/spu.h>
// ==================================
typedef struct sDxr3SpuPalDescr
{
uint8_t index;
uint8_t trans;
bool operator != (const sDxr3SpuPalDescr &pd) const
{
return index != pd.index && trans != pd.trans;
};
} aDxr3SpuPalDescr[4];
// ==================================
struct sDxr3SpuRect
{
int x1, y1;
int x2, y2;
int width()
{
return x2 - x1 + 1;
};
int height()
{
return y2 - y1 + 1;
};
bool operator != (const sDxr3SpuRect &r) const
{
return r.x1 != x1 || r.y1 != y1 || r.x2 != x2 || r.y2 != y2;
};
};
// ==================================
class cDxr3SpuPalette
{
private:
uint32_t palette[16];
public:
void setPalette(const uint32_t * pal);
uint32_t getColor(uint8_t idx, uint8_t trans) const;
};
// ==================================
class cDxr3SpuBitmap
{
private:
sDxr3SpuRect bmpsize;
sDxr3SpuRect minsize[4];
uint8_t *bmp;
void putPixel(int xp, int yp, int len, uint8_t colorid);
void putFieldData(int field, uint8_t * data, uint8_t * endp);
public:
cDxr3SpuBitmap(sDxr3SpuRect size, uint8_t * fodd, uint8_t * eodd,
uint8_t * feven, uint8_t * eeven);
~cDxr3SpuBitmap();
bool getMinSize(const aDxr3SpuPalDescr paldescr,
sDxr3SpuRect & size) const;
cBitmap *getBitmap(const aDxr3SpuPalDescr paldescr,
const cDxr3SpuPalette & pal, sDxr3SpuRect & size) const;
};
// ==================================
class cDxr3SpuDecoder : public cSpuDecoder
{
public:
cDxr3SpuDecoder();
~cDxr3SpuDecoder();
int setTime(uint32_t pts);
cSpuDecoder::eScaleMode getScaleMode(void);
void setScaleMode(cSpuDecoder::eScaleMode ScaleMode);
void setPalette(uint32_t * pal);
void setHighlight(uint16_t sx, uint16_t sy, uint16_t ex, uint16_t ey,
uint32_t palette);
void clearHighlight();
void Empty();
void processSPU(uint32_t pts, uint8_t * buf, bool AllowedShow);
void Hide();
void Draw();
bool IsVisible()
{
return osd != NULL;
}
private:
cOsd * osd;
// processing state
uint8_t *spu;
uint32_t spupts;
bool clean;
bool ready;
bool allowedShow;
enum spFlag
{
spNONE,
spHIDE,
spSHOW,
spMENU
};
spFlag state;
cSpuDecoder::eScaleMode scaleMode;
// highligh area
bool highlight;
sDxr3SpuRect hlpsize;
aDxr3SpuPalDescr hlpDescr;
// palette
cDxr3SpuPalette palette;
// spu info's
sDxr3SpuRect size;
aDxr3SpuPalDescr palDescr;
uint16_t DCSQ_offset;
uint16_t prev_DCSQ_offset;
cDxr3SpuBitmap *spubmp;
int cmdOffs()
{
return ((spu[2] << 8) | spu[3]);
}
int spuSize()
{
return ((spu[0] << 8) | spu[1]);
}
int ScaleYcoord(int value);
int ScaleYres(int value);
void DrawBmp(sDxr3SpuRect & size, cBitmap * bmp);
};
// ==================================
inline uint32_t cDxr3SpuPalette::getColor(uint8_t idx, uint8_t trans) const
{
uint8_t t = trans == 0x0f ? 0xff : trans << 4;
return palette[idx] | (t << 24);
}
#endif /*_DXR3SPUDECODER_H_*/
// Local variables:
// mode: c++
// c-file-style: "stroustrup"
// c-file-offsets: ((inline-open . 0))
// c-basic-offset: 4
// indent-tabs-mode: nil
// End:
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