sws_yuv2rgb_c_init_tables 2135 libswscale/swscale.c     sws_yuv2rgb_c_init_tables(c, inv_table, srcRange, brightness, contrast, saturation);
sws_yuv2rgb_c_init_tables  216 libswscale/swscale_internal.h int sws_yuv2rgb_c_init_tables (SwsContext *c, const int inv_table[4], int fullRange, int brightness, int contrast, int saturation);