R                  40 libavcodec/huffyuv.c #define R 1
R                  44 libavcodec/huffyuv.c #define R 2
R                 108 libavcodec/jpegls.h #define R(a, i   ) (bits == 8 ?  ((uint8_t*)(a))[i]    :  ((uint16_t*)(a))[i]  )