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#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];
};
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