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Code cleanup inside findnearmv code.

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Using predefined clamp function, removing redundant variables, declare and
init on the same line.

Change-Id: I14636eb242194bac33f8a9d4a273a416d32856fc
This commit is contained in:
Dmitry Kovalev
2013-04-17 14:33:05 -07:00
parent 2d15043900
commit 19e9714572
2 changed files with 8 additions and 22 deletions
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7
vp9/common/vp9_findnearmv.c
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@@ -8,7 +8,6 @@
* be found in the AUTHORS file in the root of the source tree. * be found in the AUTHORS file in the root of the source tree.
*/ */
#include <limits.h> #include <limits.h>
#include "vp9/common/vp9_findnearmv.h" #include "vp9/common/vp9_findnearmv.h"
@@ -22,8 +21,7 @@ const uint8_t vp9_mbsplit_offset[4][16] = {
{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15} { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}
}; };
static void lower_mv_precision(int_mv *mv, int usehp) static void lower_mv_precision(int_mv *mv, int usehp) {
{
if (!usehp || !vp9_use_nmv_hp(&mv->as_mv)) { if (!usehp || !vp9_use_nmv_hp(&mv->as_mv)) {
if (mv->as_mv.row & 1) if (mv->as_mv.row & 1)
mv->as_mv.row += (mv->as_mv.row > 0 ? -1 : 1); mv->as_mv.row += (mv->as_mv.row > 0 ? -1 : 1);
@@ -32,8 +30,7 @@ static void lower_mv_precision(int_mv *mv, int usehp)
} }
} }
vp9_prob *vp9_mv_ref_probs(VP9_COMMON *pc, vp9_prob *vp9_mv_ref_probs(VP9_COMMON *pc, vp9_prob p[4], int context) {
vp9_prob p[4], const int context) {
p[0] = pc->fc.vp9_mode_contexts[context][0]; p[0] = pc->fc.vp9_mode_contexts[context][0];
p[1] = pc->fc.vp9_mode_contexts[context][1]; p[1] = pc->fc.vp9_mode_contexts[context][1];
p[2] = pc->fc.vp9_mode_contexts[context][2]; p[2] = pc->fc.vp9_mode_contexts[context][2];

23
vp9/common/vp9_findnearmv.h
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@@ -20,10 +20,9 @@
#define LEFT_TOP_MARGIN ((VP9BORDERINPIXELS - VP9_INTERP_EXTEND) << 3) #define LEFT_TOP_MARGIN ((VP9BORDERINPIXELS - VP9_INTERP_EXTEND) << 3)
#define RIGHT_BOTTOM_MARGIN ((VP9BORDERINPIXELS - VP9_INTERP_EXTEND) << 3) #define RIGHT_BOTTOM_MARGIN ((VP9BORDERINPIXELS - VP9_INTERP_EXTEND) << 3)
/* check a list of motion vectors by sad score using a number rows of pixels // check a list of motion vectors by sad score using a number rows of pixels
* above and a number cols of pixels in the left to select the one with best // above and a number cols of pixels in the left to select the one with best
* score to use as ref motion vector // score to use as ref motion vector
*/
void vp9_find_best_ref_mvs(MACROBLOCKD *xd, void vp9_find_best_ref_mvs(MACROBLOCKD *xd,
uint8_t *ref_y_buffer, uint8_t *ref_y_buffer,
int ref_y_stride, int ref_y_stride,
@@ -49,29 +48,19 @@ static void clamp_mv(int_mv *mv,
int mb_to_right_edge, int mb_to_right_edge,
int mb_to_top_edge, int mb_to_top_edge,
int mb_to_bottom_edge) { int mb_to_bottom_edge) {
mv->as_mv.col = (mv->as_mv.col < mb_to_left_edge) ? mv->as_mv.col = clamp(mv->as_mv.col, mb_to_left_edge, mb_to_right_edge);
mb_to_left_edge : mv->as_mv.col; mv->as_mv.row = clamp(mv->as_mv.row, mb_to_top_edge, mb_to_bottom_edge);
mv->as_mv.col = (mv->as_mv.col > mb_to_right_edge) ?
mb_to_right_edge : mv->as_mv.col;
mv->as_mv.row = (mv->as_mv.row < mb_to_top_edge) ?
mb_to_top_edge : mv->as_mv.row;
mv->as_mv.row = (mv->as_mv.row > mb_to_bottom_edge) ?
mb_to_bottom_edge : mv->as_mv.row;
} }
static int clamp_mv2(int_mv *mv, const MACROBLOCKD *xd) { static int clamp_mv2(int_mv *mv, const MACROBLOCKD *xd) {
int_mv tmp_mv; int_mv tmp_mv;
int mv_clampped = 0;
tmp_mv.as_int = mv->as_int; tmp_mv.as_int = mv->as_int;
clamp_mv(mv, clamp_mv(mv,
xd->mb_to_left_edge - LEFT_TOP_MARGIN, xd->mb_to_left_edge - LEFT_TOP_MARGIN,
xd->mb_to_right_edge + RIGHT_BOTTOM_MARGIN, xd->mb_to_right_edge + RIGHT_BOTTOM_MARGIN,
xd->mb_to_top_edge - LEFT_TOP_MARGIN, xd->mb_to_top_edge - LEFT_TOP_MARGIN,
xd->mb_to_bottom_edge + RIGHT_BOTTOM_MARGIN); xd->mb_to_bottom_edge + RIGHT_BOTTOM_MARGIN);
if (tmp_mv.as_int != mv->as_int) return tmp_mv.as_int != mv->as_int;
mv_clampped = 1;
return mv_clampped;
} }
static int check_mv_bounds(int_mv *mv, static int check_mv_bounds(int_mv *mv,