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Searched refs:ONE_HALF (Results 1 – 4 of 4) sorted by relevance

/AliOS-Things-master/components/SDL2/src/image/external/jpeg-9b/
A Djdmerge.c74 #define ONE_HALF ((INT32) 1 << (SCALEBITS-1)) macro
110 RIGHT_SHIFT(FIX(1.402) * x + ONE_HALF, SCALEBITS); in build_ycc_rgb_table()
113 RIGHT_SHIFT(FIX(1.772) * x + ONE_HALF, SCALEBITS); in build_ycc_rgb_table()
118 upsample->Cb_g_tab[i] = (- FIX(0.344136286)) * x + ONE_HALF; in build_ycc_rgb_table()
150 RIGHT_SHIFT(FIX(2.804) * x + ONE_HALF, SCALEBITS); in build_bg_ycc_rgb_table()
153 RIGHT_SHIFT(FIX(3.544) * x + ONE_HALF, SCALEBITS); in build_bg_ycc_rgb_table()
158 upsample->Cb_g_tab[i] = (- FIX(0.688272572)) * x + ONE_HALF; in build_bg_ycc_rgb_table()
A Djdcolor.c92 #define ONE_HALF ((INT32) 1 << (SCALEBITS-1)) macro
139 RIGHT_SHIFT(FIX(1.402) * x + ONE_HALF, SCALEBITS); in build_ycc_rgb_table()
142 RIGHT_SHIFT(FIX(1.772) * x + ONE_HALF, SCALEBITS); in build_ycc_rgb_table()
147 cconvert->Cb_g_tab[i] = (- FIX(0.344136286)) * x + ONE_HALF; in build_ycc_rgb_table()
179 RIGHT_SHIFT(FIX(2.804) * x + ONE_HALF, SCALEBITS); in build_bg_ycc_rgb_table()
182 RIGHT_SHIFT(FIX(3.544) * x + ONE_HALF, SCALEBITS); in build_bg_ycc_rgb_table()
187 cconvert->Cb_g_tab[i] = (- FIX(0.688272572)) * x + ONE_HALF; in build_bg_ycc_rgb_table()
268 rgb_y_tab[i+B_Y_OFF] = FIX(0.114) * i + ONE_HALF; in build_rgb_y_table()
A Djccolor.c73 #define ONE_HALF ((INT32) 1 << (SCALEBITS-1)) macro
113 rgb_ycc_tab[i+B_Y_OFF] = FIX(0.114) * i + ONE_HALF; in rgb_ycc_start()
120 rgb_ycc_tab[i+B_CB_OFF] = FIX(0.5) * i + CBCR_OFFSET + ONE_HALF-1; in rgb_ycc_start()
/AliOS-Things-master/components/SDL2/src/image/external/tiff-4.0.9/libtiff/
A Dtif_color.c177 #define ONE_HALF ((int32)(1<<(SHIFT-1))) macro
283 ycbcr->Cr_r_tab[i] = (int32)((D1*Cr + ONE_HALF)>>SHIFT); in TIFFYCbCrToRGBInit()
284 ycbcr->Cb_b_tab[i] = (int32)((D3*Cb + ONE_HALF)>>SHIFT); in TIFFYCbCrToRGBInit()
286 ycbcr->Cb_g_tab[i] = D4*Cb + ONE_HALF; in TIFFYCbCrToRGBInit()
299 #undef ONE_HALF

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