135 #define CONVERT8(FMT, XSTEP, N, src_y, src_uv, out, cur_x) do {         \  argument
138     const int off = ((cur_x) + i) * XSTEP;                              \
139     const uint8x8_t y  = vld1_u8((src_y) + (cur_x)  + i);               \
165 #define CONVERT1(FUNC, XSTEP, N, src_y, src_uv, rgb, cur_x) {           \  argument
168     const int off = ((cur_x) + i) * XSTEP;                              \
169     const int y = src_y[(cur_x) + i];                                   \
177                       top_dst, bottom_dst, cur_x, len) {                \  argument
178   CONVERT8(FMT, XSTEP, len, top_y, uv, top_dst, cur_x);                 \
180     CONVERT8(FMT, XSTEP, len, bottom_y, (uv) + 32, bottom_dst, cur_x);  \
185                       top_dst, bottom_dst, cur_x, len) {                \  argument
186   CONVERT1(FUNC, XSTEP, len, top_y, uv, top_dst, cur_x);                \
188     CONVERT1(FUNC, XSTEP, len, bottom_y, (uv) + 32, bottom_dst, cur_x); \