const uint8_t *v, uint8_t *dst, ptrdiff_t width);
void (*pack_line_10)(const uint16_t *y, const uint16_t *u,
const uint16_t *v, uint8_t *dst, ptrdiff_t width);
const uint8_t *v, uint8_t *dst, ptrdiff_t width);
void (*pack_line_10)(const uint16_t *y, const uint16_t *u,
const uint16_t *v, uint8_t *dst, ptrdiff_t width);