diff options
| -rw-r--r-- | libswscale/output.c | 16 |
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); } |