#if !defined(_enquant_H) # define _enquant_H (1) # include "quant.h" typedef struct oc_iquant oc_iquant; #define OC_QUANT_MAX_LOG (OC_Q57(OC_STATIC_ILOG_32(OC_QUANT_MAX)-1)) /*Used to compute x/d via ((x*m>>16)+x>>l)+(x<0)) (i.e., one 16x16->16 mul, 2 shifts, and 2 adds). This is not an approximation; for 16-bit x and d, it is exact.*/ struct oc_iquant{ ogg_int16_t m; ogg_int16_t l; }; typedef oc_iquant oc_iquant_table[64]; void oc_quant_params_pack(oggpack_buffer *_opb,const th_quant_info *_qinfo); void oc_enquant_tables_init(ogg_uint16_t *_dequant[64][3][2], oc_iquant *_enquant[64][3][2],const th_quant_info *_qinfo); void oc_enquant_qavg_init(ogg_int64_t _log_qavg[2][64], ogg_uint16_t *_dequant[64][3][2],int _pixel_fmt); #endif