diff options
-rw-r--r-- | libswscale/swscale.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libswscale/swscale.c b/libswscale/swscale.c index 471526f..d1cb371 100644 --- a/libswscale/swscale.c +++ b/libswscale/swscale.c @@ -578,8 +578,8 @@ yuv2gray16_1_c_template(SwsContext *c, const int32_t *buf0, int i; for (i = 0; i < (dstW >> 1); i++) { - int Y1 = buf0[i * 2 ] << 1; - int Y2 = buf0[i * 2 + 1] << 1; + int Y1 = (buf0[i * 2 ]+4)>>3; + int Y2 = (buf0[i * 2 + 1]+4)>>3; output_pixel(&dest[i * 2 + 0], Y1); output_pixel(&dest[i * 2 + 1], Y2); |