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/*
* dxr3spuencoder.h - encodes an OSD bitmap as subpicture
*
* Assimilated and adapted by
* Stefan Schluenss <dxr3_osd@schluenss.de>
* Nov. 2002
*
* Based on the subpicture encoding routines from MPlayer and
* the information given by
* Samuel Hocevar
* Michel Lespinasse
* and http://members.aol.com/mpucoder/DVD/spu.html
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _DXR3_INTERFACE_SPU_ENCODER_
#define _DXR3_INTERFACE_SPU_ENCODER_
#include <stdlib.h>
#include <linux/dvb/osd.h>
#include "dxr3vdrincludes.h"
#include "dxr3colormanager.h"
#include "dxr3interface.h"
#include "dxr3singleton.h"
// ==================================
#define MAXWINDOWS 8
#define DATASIZE 53220
#define OSDWIDTH 720
#define OSDWIDTH2 480
#define OSDHEIGHT 576
// ==================================
// used to get active osd area
struct sRectal
{
sRectal() : x0(0), x1(0), y0(0), y1(0) {}
size_t x0;
size_t x1;
size_t y0;
size_t y1;
};
// ==================================
// our spu(data) with all needed routines
class cSpuData
{
public:
cSpuData(): count(0), malloc_size(0) {}
~cSpuData();
void Clear();
u_char* GetData() const
{
return data;
}
// write operations
void WriteByte(uint8_t byte);
void WriteNibble(int *higher_nibble, uint8_t nibble);
void WriteRle(int *higher_nibble, int length, int color);
private:
u_char *data;
size_t count; // the count of bytes written
size_t malloc_size; // size of data
};
// ==================================
struct pixbuf
{
int x, y;
u_int rgb[4];
u_char* pixels;
};
// ==================================
struct encodedata
{
u_char data[DATASIZE];
int count; // the count of bytes written
int oddstart;
int nibblewaiting;
};
// ==================================
class cSPUEncoder : public Singleton<cSPUEncoder>
{
public:
cSPUEncoder();
~cSPUEncoder() {}
int Flush(cPalette *Palette);
void CopyBlockIntoOSD(int numWindow, int linewidth,
int x0,int y0, int x1, int y1, const tIndex *data);
void StopSpu(void);
void SetPalette(int numWindow, cPalette* commonPalette,
cPalette* windowPalette);
void Clear(void);
private:
cSPUEncoder(cSPUEncoder&); // no copy constructor
// helper functions
void EncodePixelbufRle(int x, int y, int w, int h,
u_char *inbuf, int stride, encodedata *ed);
#ifndef USE_XINE_SCALER
void ScaleOSD(double fac, unsigned char* buf, unsigned char NumColors=4);
#endif
void encode_put_nibble(encodedata* ed, u_char nibble);
void encode_pixels(encodedata* ed, int color, int number);
void encode_eol(encodedata* ed);
void encode_do_row(encodedata* ed, pixbuf* pb, int row);
void encode_do_control(int x,int y, encodedata* ed, pixbuf* pb);
void CalculateActiveOsdArea();
int bitmapcolor[8][16];
cColorManager* m_ColorManager;
encodedata m_encodeddata;
// our osd :)
u_char OSD_Screen[OSDWIDTH * OSDHEIGHT];
u_char OSD_Screen2[OSDWIDTH * OSDHEIGHT];
u_char OSD_Screen3[OSDWIDTH * OSDHEIGHT];
// 'active' osd sizes
sRectal m_active_osd;
};
#endif /*_DXR3_INTERFACE_SPU_ENCODER_*/
// Local variables:
// mode: c++
// c-file-style: "stroustrup"
// c-file-offsets: ((inline-open . 0))
// indent-tabs-mode: t
// End:
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