154 #define CONVERT8(FMT, XSTEP, N, src_y, src_uv, out, cur_x) do {         \  argument
157     const int off = ((cur_x) + i) * XSTEP;                              \
158     const uint8x8_t y  = vld1_u8((src_y) + (cur_x)  + i);               \
184 #define CONVERT1(FUNC, XSTEP, N, src_y, src_uv, rgb, cur_x) {           \  argument
187     const int off = ((cur_x) + i) * XSTEP;                              \
188     const int y = src_y[(cur_x) + i];                                   \
196                       top_dst, bottom_dst, cur_x, len) {                \  argument
197   CONVERT8(FMT, XSTEP, len, top_y, uv, top_dst, cur_x);                 \
199     CONVERT8(FMT, XSTEP, len, bottom_y, (uv) + 32, bottom_dst, cur_x);  \
204                       top_dst, bottom_dst, cur_x, len) {                \  argument
205   CONVERT1(FUNC, XSTEP, len, top_y, uv, top_dst, cur_x);                \
207     CONVERT1(FUNC, XSTEP, len, bottom_y, (uv) + 32, bottom_dst, cur_x); \