hevc: simplify rounding

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago · 2e471e4703
parent 64fdcf2428
commit 2e471e4703
1 changed files with 4 additions and 4 deletions
--- a/libavcodec/hevc_mvs.c
+++ b/libavcodec/hevc_mvs.c
@ -275,8 +275,8 @@ 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                 &= -16;
+        y                 &= -16;
        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);
@ -287,8 +287,8 @@ 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                 &= -16;
+        y                 &= -16;
        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);