[FFmpeg-cvslog] hevc: simplify rounding

[Christophe Gisquet]

ffmpeg | branch: master | Christophe Gisquet <christophe.gisquet at gmail.com> | Thu Jul 10 06:47:55 2014 +0000| [09182b3224370e1d636631e77f201a8388766bd6] | committer: Anton Khirnov

hevc: simplify rounding

Signed-off-by: Anton Khirnov <anton at khirnov.net>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=09182b3224370e1d636631e77f201a8388766bd6
---

 libavcodec/hevc_mvs.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/libavcodec/hevc_mvs.c b/libavcodec/hevc_mvs.c
index 2fe4dbb..7fa418b 100644
--- a/libavcodec/hevc_mvs.c
+++ b/libavcodec/hevc_mvs.c
@@ -271,8 +271,8 @@ static int temporal_luma_motion_vector(HEVCContext *s, int x0, int y0,
         (y0 >> s->sps->log2_ctb_size) == (y >> s->sps->log2_ctb_size) &&
         y < s->sps->height &&
         x < s->sps->width) {
-        x                  = ((x >> 4) << 4);
-        y                  = ((y >> 4) << 4);
+        x                 &= ~15;
+        y                 &= ~15;
         x_pu               = x >> s->sps->log2_min_pu_size;
         y_pu               = y >> s->sps->log2_min_pu_size;
         temp_col           = TAB_MVF(x_pu, y_pu);
@@ -283,8 +283,8 @@ static int temporal_luma_motion_vector(HEVCContext *s, int x0, int y0,
     if (tab_mvf && !availableFlagLXCol) {
         x                  = x0 + (nPbW >> 1);
         y                  = y0 + (nPbH >> 1);
-        x                  = ((x >> 4) << 4);
-        y                  = ((y >> 4) << 4);
+        x                 &= ~15;
+        y                 &= ~15;
         x_pu               = x >> s->sps->log2_min_pu_size;
         y_pu               = y >> s->sps->log2_min_pu_size;
         temp_col           = TAB_MVF(x_pu, y_pu);