[Ffmpeg-cvslog] r6030 - in trunk: libavcodec/mpegvideo.c libavutil/common.h
michael
subversion
Sat Aug 19 22:55:03 CEST 2006
Author: michael
Date: Sat Aug 19 22:55:02 2006
New Revision: 6030
Modified:
trunk/libavcodec/mpegvideo.c
trunk/libavutil/common.h
Log:
SWAP
Modified: trunk/libavcodec/mpegvideo.c
==============================================================================
--- trunk/libavcodec/mpegvideo.c (original)
+++ trunk/libavcodec/mpegvideo.c Sat Aug 19 22:55:02 2006
@@ -1687,7 +1687,7 @@
* @param color color of the arrow
*/
static void draw_line(uint8_t *buf, int sx, int sy, int ex, int ey, int w, int h, int stride, int color){
- int t, x, y, fr, f;
+ int x, y, fr, f;
sx= clip(sx, 0, w-1);
sy= clip(sy, 0, h-1);
@@ -1698,8 +1698,8 @@
if(ABS(ex - sx) > ABS(ey - sy)){
if(sx > ex){
- t=sx; sx=ex; ex=t;
- t=sy; sy=ey; ey=t;
+ SWAP(int, sx, ex);
+ SWAP(int, sy, ey);
}
buf+= sx + sy*stride;
ex-= sx;
@@ -1712,8 +1712,8 @@
}
}else{
if(sy > ey){
- t=sx; sx=ex; ex=t;
- t=sy; sy=ey; ey=t;
+ SWAP(int, sx, ex);
+ SWAP(int, sy, ey);
}
buf+= sx + sy*stride;
ey-= sy;
Modified: trunk/libavutil/common.h
==============================================================================
--- trunk/libavutil/common.h (original)
+++ trunk/libavutil/common.h Sat Aug 19 22:55:02 2006
@@ -169,6 +169,8 @@
#define FFMAX(a,b) ((a) > (b) ? (a) : (b))
#define FFMIN(a,b) ((a) > (b) ? (b) : (a))
+#define SWAP(type,a,b) do{type SWAP_tmp= b; b= a; a= SWAP_tmp;}while(0)
+
/* misc math functions */
extern FF_IMPORT_ATTR const uint8_t ff_log2_tab[256];
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