--- trunk/xvidcore/src/global.h 2002/05/03 00:45:10 156 +++ trunk/xvidcore/src/global.h 2002/05/03 08:37:55 157 @@ -73,39 +73,26 @@ } MACROBLOCK; -static __inline int8_t get_dc_scaler(int32_t quant, uint32_t lum) +static __inline int8_t get_dc_scaler(uint32_t quant, uint32_t lum) { - int8_t dc_scaler; + if(quant < 5) + return 8; - if(quant > 0 && quant < 5) { - dc_scaler = 8; - return dc_scaler; - } - - if(quant < 25 && !lum) { - dc_scaler = (quant + 13) >> 1; - return dc_scaler; - } - - if(quant < 9) { - dc_scaler = quant << 1; - return dc_scaler; - } - - if(quant < 25) { - dc_scaler = quant + 8; - return dc_scaler; - } + if(quant < 25 && !lum) + return (quant + 13) / 2; + + if(quant < 9) + return 2 * quant; + + if(quant < 25) + return quant + 8; if(lum) - dc_scaler = (quant << 1) - 16; + return 2 * quant - 16; else - dc_scaler = quant - 6; - - return dc_scaler; + return quant - 6; } - // useful macros #define MIN(X, Y) ((X)<(Y)?(X):(Y))