354 	int  frame_width, image_height, image_width;  in v4l2_detect_cvt()  local
383 	image_height = (frame_height - v_fp - vsync - v_bp + 1) & ~0x1;  in v4l2_detect_cvt()
388 		image_width = (image_height * 4) / 3;  in v4l2_detect_cvt()
391 		image_width = (image_height * 16) / 9;  in v4l2_detect_cvt()
394 		image_width = (image_height * 16) / 10;  in v4l2_detect_cvt()
398 		if (image_height == 1024)  in v4l2_detect_cvt()
399 			image_width = (image_height * 5) / 4;  in v4l2_detect_cvt()
400 		else if (image_height == 768)  in v4l2_detect_cvt()
401 			image_width = (image_height * 15) / 9;  in v4l2_detect_cvt()
447 	fmt->bt.height = image_height;  in v4l2_detect_cvt()
453 	fmt->bt.vbackporch = frame_height - image_height - v_fp - vsync;  in v4l2_detect_cvt()
516 	int frame_width, image_height, image_width;  in v4l2_detect_gtf()  local
533 	image_height = (frame_height - v_fp - vsync - v_bp + 1) & ~0x1;  in v4l2_detect_gtf()
539 	image_width = ((image_height * aspect.numerator) / aspect.denominator);  in v4l2_detect_gtf()
568 	fmt->bt.height = image_height;  in v4l2_detect_gtf()
574 	fmt->bt.vbackporch = frame_height - image_height - v_fp - vsync;  in v4l2_detect_gtf()