?? layerdata.hh
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/* File: LayerData By: Alex Theo de Jong Created: February 1996 Description: Place holder class for all layer data */class LayerData { friend class Mpeg2Video; protected: VideoStream* input; // bit input DisplayX11* display; Idct* idct; Synchronization* sync; // Synchronization object // sequence header int intra_quantizer_matrix[64], non_intra_quantizer_matrix[64]; int chroma_intra_quantizer_matrix[64], chroma_non_intra_quantizer_matrix[64]; int mpeg2; int qscale_type,altscan; // picture coding extension int pri_brk; // slice/macroblock int quant_scale; short block[12][64]; int sparse[12]; public: int pict_scal; // picture spatial scalable extension int scalable_mode; // sequence scalable extension protected: // gethdr void getseqhdr(void); void getgophdr(void); void getpicturehdr(void); void ext_user_data(void); void sequence_extension(void); void sequence_display_extension(void); void quant_matrix_extension(void); void sequence_scalable_extension(void); void picture_display_extension(void); void picture_coding_extension(void); void picture_spatial_scalable_extension(void); void picture_temporal_scalable_extension(void); /* decode extra bit information */ inline void ext_bit_info(void){ while (input->getbits(1)) input->flushbits(8); } // getpic void getMBs(int framenum); void macroblock_modes(int *pmb_type, int *pstwtype, int *pstwclass, int *pmotion_type, int *pmv_count, int *pmv_format, int *pdmv, int *pmvscale, int *pdct_type); void clearblock(int comp,int size); void addblock(int comp, int bx, int by, int dct_type, int addflag); public: LayerData(const char* windowtitle, Synchronization* s=0){ sync=s; idct=new Idct; input=0; display=new DisplayX11(windowtitle, s); } ~LayerData(){ delete input; delete idct; delete display; } // gethdr int getheader(); int getslicehdr(void); // getpic void getpicture(int framenum); void putlast(); // getblk void getintrablock(int comp, int dc_dct_pred[]); void getinterblock(int comp); void getmpg2intrablock(int comp, int dc_dct_pred[]); void getmpg2interblock(int comp); // motion void motion_vectors(int PMV[2][2][2], int dmvector[2], int mv_field_sel[2][2], int s, int mv_count, int mv_format, int h_r_size, int v_r_size, int dmv, int mvscale); void motion_vector(int *PMV, int *dmvector, int h_r_size, int v_r_size, int dmv, int mvscale, int full_pel_vector); void calc_DMV(int DMV[][2], int *dmvector, int mvx, int mvy); // recon void reconstruct(int bx, int by, int mb_type, int motion_type, int PMV[2][2][2], int mv_field_sel[2][2], int dmvector[2], int stwtype); };
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