[Mplayer-cvslog] CVS: main/postproc swscale.c,1.28,1.29

[Michael Niedermayer]

Update of /cvsroot/mplayer/main/postproc
In directory mplayer:/var/tmp.root/cvs-serv25073/postproc

Modified Files:
	swscale.c 
Log Message:
c optimizations (array is faster than pointer) (16bpp variants tested and 2% faster)


Index: swscale.c
===================================================================
RCS file: /cvsroot/mplayer/main/postproc/swscale.c,v
retrieving revision 1.28
retrieving revision 1.29
diff -u -r1.28 -r1.29
--- swscale.c	30 Oct 2001 21:04:42 -0000	1.28
+++ swscale.c	30 Oct 2001 21:33:01 -0000	1.29
@@ -506,18 +506,15 @@
 
 	for(i=0;i<dstw;i++)
 	{
-		((uint8_t*)dest)[0] = (buf0[i]*yalpha1+buf1[i]*yalpha)>>19;
-		dest++;
+		((uint8_t*)dest)[i] = (buf0[i]*yalpha1+buf1[i]*yalpha)>>19;
 	}
 
 	if(uvalpha != -1)
 	{
 		for(i=0; i<dstw/2; i++)
 		{
-			((uint8_t*)uDest)[0] = (uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>19;
-			((uint8_t*)vDest)[0] = (uvbuf0[i+2048]*uvalpha1+uvbuf1[i+2048]*uvalpha)>>19;
-			uDest++;
-			vDest++;
+			((uint8_t*)uDest)[i] = (uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>19;
+			((uint8_t*)vDest)[i] = (uvbuf0[i+2048]*uvalpha1+uvbuf1[i+2048]*uvalpha)>>19;
 		}
 	}
 }
@@ -704,11 +701,10 @@
 				int U=((uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>19);
 				int V=((uvbuf0[i+2048]*uvalpha1+uvbuf1[i+2048]*uvalpha)>>19);
 
-				((uint16_t*)dest)[0] =
+				((uint16_t*)dest)[i] =
 					(clip_table[(Y + yuvtab_40cf[U]) >>13]>>3) |
 					((clip_table[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13]<<3)&0x07E0) |
 					((clip_table[(Y + yuvtab_3343[V]) >>13]<<8)&0xF800);
-				dest+=2;
 			}
 		}
 		else if(dstbpp==15)
@@ -719,11 +715,10 @@
 				int U=((uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>19);
 				int V=((uvbuf0[i+2048]*uvalpha1+uvbuf1[i+2048]*uvalpha)>>19);
 
-				((uint16_t*)dest)[0] =
+				((uint16_t*)dest)[i] =
 					(clip_table[(Y + yuvtab_40cf[U]) >>13]>>3) |
 					((clip_table[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13]<<2)&0x03E0) |
 					((clip_table[(Y + yuvtab_3343[V]) >>13]<<7)&0x7C00);
-				dest+=2;
 			}
 		}
 #endif
@@ -814,11 +809,10 @@
 				int U=((uvbuf0[i/2]*uvalpha1+uvbuf1[i/2]*uvalpha)>>19);
 				int V=((uvbuf0[i/2+2048]*uvalpha1+uvbuf1[i/2+2048]*uvalpha)>>19);
 
-				((uint16_t*)dest)[0] =
+				((uint16_t*)dest)[i] =
 					(clip_table[(Y + yuvtab_40cf[U]) >>13]>>3) |
 					((clip_table[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13]<<3)&0x07E0) |
 					((clip_table[(Y + yuvtab_3343[V]) >>13]<<8)&0xF800);
-				dest+=2;
 			}
 		}
 		else if(dstbpp==15)
@@ -829,11 +823,10 @@
 				int U=((uvbuf0[i/2]*uvalpha1+uvbuf1[i/2]*uvalpha)>>19);
 				int V=((uvbuf0[i/2+2048]*uvalpha1+uvbuf1[i/2+2048]*uvalpha)>>19);
 
-				((uint16_t*)dest)[0] =
+				((uint16_t*)dest)[i] =
 					(clip_table[(Y + yuvtab_40cf[U]) >>13]>>3) |
 					((clip_table[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13]<<2)&0x03E0) |
 					((clip_table[(Y + yuvtab_3343[V]) >>13]<<7)&0x7C00);
-				dest+=2;
 			}
 		}
 #endif
@@ -993,11 +986,10 @@
 			int U=((uvbuf0[i/2]*uvalpha1+uvbuf1[i/2]*uvalpha)>>19);
 			int V=((uvbuf0[i/2+2048]*uvalpha1+uvbuf1[i/2+2048]*uvalpha)>>19);
 
-			((uint16_t*)dest)[0] =
+			((uint16_t*)dest)[i] =
 				(clip_table[(Y + yuvtab_40cf[U]) >>13]>>3) |
 				((clip_table[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13]<<3)&0x07E0) |
 				((clip_table[(Y + yuvtab_3343[V]) >>13]<<8)&0xF800);
-			dest+=2;
 		}
 	}
 	else if(dstbpp==15)
@@ -1008,11 +1000,10 @@
 			int U=((uvbuf0[i/2]*uvalpha1+uvbuf1[i/2]*uvalpha)>>19);
 			int V=((uvbuf0[i/2+2048]*uvalpha1+uvbuf1[i/2+2048]*uvalpha)>>19);
 
-			((uint16_t*)dest)[0] =
+			((uint16_t*)dest)[i] =
 				(clip_table[(Y + yuvtab_40cf[U]) >>13]>>3) |
 				((clip_table[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13]<<2)&0x03E0) |
 				((clip_table[(Y + yuvtab_3343[V]) >>13]<<7)&0x7C00);
-			dest+=2;
 		}
 	}
 #endif