ALIGN_DOWN_PIXELS
while (sbuf32 < ALIGN_DOWN_PIXELS(send32, pixels, 4)) {
while (sbuf32 < ALIGN_DOWN_PIXELS(send32, pixels, 4)) {
while (sbuf32 < ALIGN_DOWN_PIXELS(send32, pixels, 2)) {
while (sbuf32 < ALIGN_DOWN_PIXELS(send32, pixels, 4)) {