if (uvalpha < 2048) {
for (i = 0; i < (dstW >> 1); i++) {
- int Y1 = buf0[i * 2] >> 7;
- int Y2 = buf0[i * 2 + 1] >> 7;
- int U = ubuf0[i] >> 7;
- int V = vbuf0[i] >> 7;
+ int Y1 = (buf0[i * 2 ]+64) >> 7;
+ int Y2 = (buf0[i * 2 + 1]+64) >> 7;
+ int U = (ubuf0[i] +64) >> 7;
+ int V = (vbuf0[i] +64) >> 7;
output_pixels(i * 4, Y1, U, Y2, V);
}
} else {
const int16_t *ubuf1 = ubuf[1], *vbuf1 = vbuf[1];
for (i = 0; i < (dstW >> 1); i++) {
- int Y1 = buf0[i * 2] >> 7;
- int Y2 = buf0[i * 2 + 1] >> 7;
- int U = (ubuf0[i] + ubuf1[i]) >> 8;
- int V = (vbuf0[i] + vbuf1[i]) >> 8;
+ int Y1 = (buf0[i * 2 ] + 64) >> 7;
+ int Y2 = (buf0[i * 2 + 1] + 64) >> 7;
+ int U = (ubuf0[i] + ubuf1[i]+128) >> 8;
+ int V = (vbuf0[i] + vbuf1[i]+128) >> 8;
output_pixels(i * 4, Y1, U, Y2, V);
}