Initial community commit

Src/f263/Decoder.h

@@ -0,0 +1,139 @@
+#pragma once
+#include <bfc/platform/types.h>
+#include "BitReader.h"
+#include "IDCT.h"
+#include "IDCTRef.h"
+#include "lib.h"
+
+/* this is necessary for the max resolution 16CIF */
+#define MBC                             88
+#define MBR                             72
+
+#define PSC        1
+#define PSC_LENGTH        17
+#define SE_CODE                         31
+
+#define MODE_INTER                      0
+#define MODE_INTER_Q                    1
+#define MODE_INTER4V                    2
+#define MODE_INTRA                      3
+#define MODE_INTRA_Q                    4
+#define MODE_INTER4V_Q                  5
+
+#define PBMODE_NORMAL                   0
+#define PBMODE_MVDB                     1
+#define PBMODE_CBPB_MVDB                2
+
+#define ESCAPE                          7167
+#define ESCAPE_INDEX                    102
+#define EP_FORWARD_PREDICTION             0
+#define EI_EP_UPWARD_PREDICTION           1
+#define EP_BIDIRECTIONAL_PREDICTION       2
+#define EI_EP_INTRA_PREDICTION            3
+#define MAX_LAYERS                      2
+
+/* picture types */
+#define PCT_INTRA                       0
+#define PCT_INTER                       1
+#define PCT_DISPOSABLE_INTER						2
+//#define PCT_IPB                         2
+#define PCT_B                           3
+
+#define ON                              1
+#define OFF                             0
+#define YES                             1
+#define NO                              0
+
+#define B_EI_EP_STUFFING                  5
+#define INVALID_MBTYPE                    255
+
+#define B_DIRECT_PREDICTION               0
+#define B_FORWARD_PREDICTION              1
+#define B_BACKWARD_PREDICTION             2
+#define B_BIDIRECTIONAL_PREDICTION        3
+#define B_INTRA_PREDICTION                4
+
+#define SF_SQCIF                        1  /* 001 */
+#define SF_QCIF                         2  /* 010 */
+#define SF_CIF                          3  /* 011 */
+#define SF_4CIF                         4  /* 100 */
+#define SF_16CIF                        5  /* 101 */
+
+
+/* this is necessary for the max resolution 16CIF */
+#define MBC                             88
+#define MBR                             72
+
+#define NO_VEC                          999
+
+typedef unsigned char *Frame[3];
+class Decoder
+{
+public:
+	Decoder();
+	~Decoder();
+	int init();
+
+	void getpicture(Frame frame);
+	int getheader();
+
+	int DecodeFrame(YV12_PLANES *yv12, int *width, int *height, int *keyframe);
+	
+
+	static unsigned char *clp;
+
+	BitReader buffer;
+private:
+	void reconstruct(int bx, int by, int mode);
+	
+	void get_I_P_MBs();
+	void horiz_edge_filter(unsigned char *rec, int width, int height, int chr);
+	void vert_edge_filter(unsigned char *rec, int width, int height, int chr);
+	void edge_filter(unsigned char *lum, unsigned char *Cb, unsigned char *Cr,                 int width, int height);
+	void vert_post_filter(unsigned char *rec, int width, int height, int chr);
+	void horiz_post_filter(unsigned char *rec, int width, int height, int chr);
+	void PostFilter(unsigned char *lum, unsigned char *Cb, unsigned char *Cr,int width, int height);
+	void addblock(int comp, int bx, int by, int addflag);
+	int find_pmv(int x, int y, int block, int comp);
+	void getpicturehdr();
+	
+
+	void getblock(int comp, int mode);
+	void clearblock(int comp);
+
+	void startcode();
+
+	/* vlc */
+	int getTMNMV(void);
+	int getMCBPC(void);
+	int getMBTYPE (int *cbp_present, int *quant_present);
+	int getMCBPCintra(void);
+	int getCBPY(void);
+
+private:
+	Frame refframe, oldrefframe, newframe;
+	Frame edgeframe, edgeframeorig;
+	int MV[2][5][MBR+1][MBC+2];
+	int modemap[MBR+1][MBC+2];
+	int coded_map[MBR + 1][MBC + 1];
+	int quant_map[MBR + 1][MBC + 1];
+	unsigned int horizontal_size,vertical_size,mb_width,mb_height;
+	unsigned int coded_picture_width, coded_picture_height;
+	unsigned int chrom_width,chrom_height;
+	int pict_type;
+	int fault;
+	int deblock;
+	int refidct;
+	int quant;
+	int escapemode;
+	bool firstFrame;
+	
+	IDCT idct;
+
+	  /* block data */
+  short block[12][64];
+	static bool initted;
+	static unsigned char clp_table[1024];
+	
+
+};