cosmetic (prevent name clashes of variables in a macro with surrounding code)

[ffmpeg] / libavcodec / motion_est_template.c

diff --git a/libavcodec/motion_est_template.c b/libavcodec/motion_est_template.c
index 16d34bb8811c65a62e4987b90f098356811623c3..47da2dcd671973b4424f3fb97775a47e00580658 100644 (file)
--- a/libavcodec/motion_est_template.c
+++ b/libavcodec/motion_est_template.c
@@ -2,18 +2,20 @@
  * Motion estimation
  * Copyright (c) 2002-2004 Michael Niedermayer
  *
- * This library is free software; you can redistribute it and/or
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
  *
- * This library is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  *
  */
@@ -231,7 +233,7 @@ static int no_sub_motion_search(MpegEncContext * s,
     return dmin;
 }
 
-int inline ff_get_mb_score(MpegEncContext * s, int mx, int my, int src_index,
+inline int ff_get_mb_score(MpegEncContext * s, int mx, int my, int src_index,
                                int ref_index, int size, int h, int add_rate)
 {
 //    const int check_luma= s->dsp.me_sub_cmp != s->dsp.mb_cmp;
@@ -515,11 +517,11 @@ static int qpel_motion_search(MpegEncContext * s,
 
 #define CHECK_CLIPED_MV(ax,ay)\
 {\
-    const int x= ax;\
-    const int y= ay;\
-    const int x2= FFMAX(xmin, FFMIN(x, xmax));\
-    const int y2= FFMAX(ymin, FFMIN(y, ymax));\
-    CHECK_MV(x2, y2)\
+    const int Lx= ax;\
+    const int Ly= ay;\
+    const int Lx2= FFMAX(xmin, FFMIN(Lx, xmax));\
+    const int Ly2= FFMAX(ymin, FFMIN(Ly, ymax));\
+    CHECK_MV(Lx2, Ly2)\
 }
 
 #define CHECK_MV_DIR(x,y,new_dir)\
@@ -637,8 +639,8 @@ static int funny_diamond_search(MpegEncContext * s, int *best, int dmin,
 {
 int dx, dy, i;
 static int stats[8*8];
-dx= ABS(x-best[0]);
-dy= ABS(y-best[1]);
+dx= FFABS(x-best[0]);
+dy= FFABS(y-best[1]);
 if(dy>dx){
     dx^=dy; dy^=dx; dx^=dy;
 }
@@ -693,7 +695,7 @@ static int sab_diamond_search(MpegEncContext * s, int *best, int dmin,
     MotionEstContext * const c= &s->me;
     me_cmp_func cmpf, chroma_cmpf;
     Minima minima[MAX_SAB_SIZE];
-    const int minima_count= ABS(c->dia_size);
+    const int minima_count= FFABS(c->dia_size);
     int i, j;
     LOAD_COMMON
     LOAD_COMMON2
@@ -827,8 +829,8 @@ static int var_diamond_search(MpegEncContext * s, int *best, int dmin,
 {
 int dx, dy, i;
 static int stats[8*8];
-dx= ABS(x-best[0]);
-dy= ABS(y-best[1]);
+dx= FFABS(x-best[0]);
+dy= FFABS(y-best[1]);
 stats[dy*8 + dx] ++;
 if(256*256*256*64 % (stats[0]+1)==0){
     for(i=0; i<64; i++){
@@ -905,7 +907,11 @@ static always_inline int epzs_motion_search_internal(MpegEncContext * s, int *mx
             c->skip=1;
             return dmin;
         }
-        CHECK_MV(P_MEDIAN[0]>>shift, P_MEDIAN[1]>>shift)
+        CHECK_MV(    P_MEDIAN[0] >>shift ,    P_MEDIAN[1] >>shift)
+        CHECK_CLIPED_MV((P_MEDIAN[0]>>shift)  , (P_MEDIAN[1]>>shift)-1)
+        CHECK_CLIPED_MV((P_MEDIAN[0]>>shift)  , (P_MEDIAN[1]>>shift)+1)
+        CHECK_CLIPED_MV((P_MEDIAN[0]>>shift)-1, (P_MEDIAN[1]>>shift)  )
+        CHECK_CLIPED_MV((P_MEDIAN[0]>>shift)+1, (P_MEDIAN[1]>>shift)  )
         if(dmin>h*h*2){
             CHECK_CLIPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,
                             (last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)