fix bug: invalid data of audio file maybe used to get the max width and height of input video

@@ -685,22 +685,27 @@ void add_media_infos()
 	printf("\nsorted file info:");
 	printf("\nsorted file info:");
 	it = sorted_media_with_end.begin();
 	it = sorted_media_with_end.begin();
 	for (; it != sorted_media_with_end.end();it++){
 	for (; it != sorted_media_with_end.end();it++){
-		printf("\n%2d %8.3f %s %4d %4d %3d %s", it->sorted_index, it->type_time, it->name.c_str(), it->width, it->height, it->rotate, it->t_type == tt_start ? "start" : "end");
-		if (it->width > it->height) {
-			if (width < it->width) {
-				width = it->width;
+		if (it->m_type == mt_video) {
+			printf("\n%2d %8.3f %s %s %4d %4d %3d", it->sorted_index, it->type_time, it->name.c_str(),  it->t_type == tt_start ? "start" : "end", it->width, it->height, it->rotate);
+			if (it->width > it->height) {
+				if (width < it->width) {
+					width = it->width;
+				}
+				if (height < it->height) {
+					height = it->height;
+				}
 			}
 			}
-			if (height < it->height) {
-				height = it->height;
+			else {//set the image to landscape
+				if (width < it->height) {
+					width = it->height;
+				}
+				if (height < it->width) {
+					height = it->width;
+				}
 			}
 			}
 		}
 		}
-		else {//set the image to landscape
-			if (width < it->height) {
-				width = it->height;
-			}
-			if (height < it->width) {
-				height = it->width;
-			}
+		else {
+			printf("\n%2d %8.3f %s %s", it->sorted_index, it->type_time, it->name.c_str(), it->t_type == tt_start ? "start" : "end");
 		}
 		}
 	}
 	}
 	printf("\n-------------------------\n");
 	printf("\n-------------------------\n");