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authoraustriancoder <austriancoder>2004-08-05 23:05:21 +0000
committeraustriancoder <austriancoder>2004-08-05 23:05:21 +0000
commitc47666d42f7972e1b51f9de61ce0fa27c72f3127 (patch)
treee34a87e37901b7f892fb6f330ccb15bcba30039b /dxr3interface_spu_encoder.h
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+/*
+ * dxr3interface_spu_encoder.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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+*/
+
+#ifndef _DXR3_INTERFACE_SPU_ENCODER_
+#define _DXR3_INTERFACE_SPU_ENCODER_
+
+#include <stdlib.h>
+#include <linux/dvb/osd.h>
+#include "dxr3vdrincludes.h"
+#include "dxr3palettemanager.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
+
+// ==================================
+// basic infos about one osd "window"
+struct sOSD_Window
+{
+ size_t x0;
+ size_t y0;
+ size_t x1;
+ size_t y1;
+
+ unsigned char colors[16];
+ unsigned char opacity[16];
+
+ size_t NumColors;
+};
+
+// ==================================
+// 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 Cmd(OSD_Command cmd, int color = 0, int x0 = 0, int y0 = 0, int x1 = 0, int y1 = 0, const void *data = 0);
+
+private:
+ cSPUEncoder(cSPUEncoder&); // no copy constructor
+
+ // helper functions
+ void CopyBlockIntoOSD(int linewidth, int x0,int y0, int x1, int y1, u_char *data);
+ void EncodePixelbufRle(int x, int y, int w, int h, u_char *inbuf, int stride, encodedata *ed);
+ void ScaleOSD(double fac, unsigned char* buf, unsigned char NumColors=4);
+ 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();
+
+ sOSD_Window m_windows[8];
+ cDxr3PaletteManager m_palManager;
+ cColorManager* m_ColorManager;
+ encodedata m_encodeddata;
+ int m_lastwindow;
+
+ // 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_*/