jpeg_fdct_1x2 315 3rdparty/libjpeg/jcdctmgr.c fdct->do_dct[ci] = jpeg_fdct_1x2; jpeg_fdct_1x2 231 3rdparty/libjpeg/jdct.h EXTERN(void) jpeg_fdct_1x2 jpeg_fdct_1x2 4325 3rdparty/libjpeg/jfdctint.c jpeg_fdct_1x2 (DCTELEM * data, JSAMPARRAY sample_data, JDIMENSION start_col)