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authorMichael Niedermayer <michaelni@gmx.at>2012-02-14 18:33:14 +0100
committerMichael Niedermayer <michaelni@gmx.at>2012-02-14 21:33:08 +0100
commit2bc610ddc5d9054f68b8e87cda65bae291be90f8 (patch)
tree062fc859d1be7d9cca07663d5b5d8b0e2077826f /libswscale
parentf89f9bdadd202f411f14b3f681eb5eac33be66fa (diff)
swscale: yuv2422_1_c_template: fix rounding
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libswscale')
-rw-r--r--libswscale/output.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/libswscale/output.c b/libswscale/output.c
index 180927892d..25ca70b7d9 100644
--- a/libswscale/output.c
+++ b/libswscale/output.c
@@ -514,20 +514,20 @@ yuv2422_1_c_template(SwsContext *c, const int16_t *buf0,
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);
}