[Mlt-devel] mlt/src/modules/sdl consumer_sdl_still.c,1.25,1.26

[Charles Y. <lil...@us...>]

Update of /cvsroot/mlt/mlt/src/modules/sdl
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv28290

Modified Files:
	consumer_sdl_still.c 
Log Message:
+ Rounding errors corrected for last gasp scaling

Index: consumer_sdl_still.c
===================================================================
RCS file: /cvsroot/mlt/mlt/src/modules/sdl/consumer_sdl_still.c,v
retrieving revision 1.25
retrieving revision 1.26
diff -u -d -r1.25 -r1.26
--- consumer_sdl_still.c	7 Sep 2005 09:23:37 -0000	1.25
+++ consumer_sdl_still.c	14 Oct 2005 10:27:26 -0000	1.26
@@ -269,11 +269,11 @@
 	for ( y = 0; y < rect.h; y ++ )
 	{
 		p = start;
-		row_index = ( scale_height * y ) >> 16;
+		row_index = ( 32768 + scale_height * y ) >> 16;
 		row = image + stride * row_index;
 		for ( x = 0; x < rect.w; x ++ )
 		{
-			q = row + ( ( ( scale_width * x ) >> 16 ) * 3 );
+			q = row + ( ( ( 32768 + scale_width * x ) >> 16 ) * 3 );
 			*p ++ = SDL_MapRGB( screen->format, *q, *( q + 1 ), *( q + 2 ) );
 		}
 		start += scanlength;
@@ -298,11 +298,11 @@
 	for ( y = 0; y < rect.h; y ++ )
 	{
 		p = start;
-		row_index = ( scale_height * y ) >> 16;
+		row_index = ( 32768 + scale_height * y ) >> 16;
 		row = image + stride * row_index;
 		for ( x = 0; x < rect.w; x ++ )
 		{
-			q = row + ( ( ( scale_width * x ) >> 16 ) * 3 );
+			q = row + ( ( ( 32768 + scale_width * x ) >> 16 ) * 3 );
 			*p ++ = SDL_MapRGB( screen->format, *q, *( q + 1 ), *( q + 2 ) );
 		}
 		start += scanlength;
@@ -328,11 +328,11 @@
 	for ( y = 0; y < rect.h; y ++ )
 	{
 		p = start;
-		row_index = ( scale_height * y ) >> 16;
+		row_index = ( 32768 + scale_height * y ) >> 16;
 		row = image + stride * row_index;
 		for ( x = 0; x < rect.w; x ++ )
 		{
-			q = row + ( ( ( scale_width * x ) >> 16 ) * 3 );
+			q = row + ( ( ( 32768 + scale_width * x ) >> 16 ) * 3 );
 			pixel = SDL_MapRGB( screen->format, *q, *( q + 1 ), *( q + 2 ) );
 			*p ++ = (pixel & 0xFF0000) >> 16;
 			*p ++ = (pixel & 0x00FF00) >> 8;
@@ -360,11 +360,11 @@
 	for ( y = 0; y < rect.h; y ++ )
 	{
 		p = start;
-		row_index = ( scale_height * y ) >> 16;
+		row_index = ( 32768 + scale_height * y ) >> 16;
 		row = image + stride * row_index;
 		for ( x = 0; x < rect.w; x ++ )
 		{
-			q = row + ( ( ( scale_width * x ) >> 16 ) * 3 );
+			q = row + ( ( ( 32768 + scale_width * x ) >> 16 ) * 3 );
 			*p ++ = SDL_MapRGB( screen->format, *q, *( q + 1 ), *( q + 2 ) );
 		}
 		start += scanlength;