P1                 39 libavcodec/cavsdsp.c #define P1 p0_p[-2*stride]
P1                112 libavcodec/cavsdsp.c #undef P1
P1               1503 libavcodec/hevcdsp_template.c #define P1 pix[-2 * xstride]
P1               1682 libavcodec/hevcdsp_template.c #undef P1