X-Git-Url: http://git.asbjorn.biz/?p=swftools.git;a=blobdiff_plain;f=avi2swf%2Fvideoreader_vfw.cc;h=ca8a6b72f6af37cae017096f6e6e52a8a9180106;hp=91555e1862cc568d26e4ab7efd00cc4b9a723e4e;hb=2c719855eac434f01d47ba0717d76de65939d74e;hpb=1dc6bcc3e70277f87486e1bfe9500ea49b1be57e

diff --git a/avi2swf/videoreader_vfw.cc b/avi2swf/videoreader_vfw.cc
index 91555e1..ca8a6b7 100644
--- a/avi2swf/videoreader_vfw.cc
+++ b/avi2swf/videoreader_vfw.cc
@@ -73,8 +73,8 @@ static int bitmap_to_rgba(BITMAPINFOHEADER*bi, void*buffer, const int dest_width
     
     ULONG*dest = (ULONG*)buffer;
 
-    int width = bi->biWidth;
-    int height = bi->biHeight;
+    int width = abs(bi->biWidth);
+    int height = abs(bi->biHeight);
     if(dest_width != width || dest_height != height) {
 	/* TODO: size conversion */
 	fprintf(stderr, "size mismatch: %dx%d != %dx%d\n", width, height, dest_width, dest_height);
@@ -326,11 +326,11 @@ int videoreader_vfw_open(videoreader_t* vr, char* filename)
 	    if(1) {
 		i->bitmap = bitmap;
 		i->vs = stream;
-		i->width = bitmap.biWidth;
-		i->height = bitmap.biHeight;
+		i->width = abs(bitmap.biWidth);
+		i->height = abs(bitmap.biHeight);
 	    } else {
 		fprintf(stderr, "Ignoring video stream: %dx%d compression=%d planes=%d\n", 
-			bitmap.biWidth, bitmap.biHeight,
+			abs(bitmap.biWidth), abs(bitmap.biHeight),
 			bitmap.biCompression,bitmap.biPlanes);
 	    }
         }