From 782d44b81b62271929844c6fd939edd940222983 Mon Sep 17 00:00:00 2001
From: Paulchen Panther <16664240+Paulchen-Panther@users.noreply.github.com>
Date: Wed, 28 Aug 2019 22:20:49 +0200
Subject: [PATCH] [Bugfix] V4L2 used screen resolution for fallback

https://hyperion-project.org/threads/ng-hyperion-v4l2-capture-resolution-issue.3684/#post-15959
---
 libsrc/grabber/v4l2/V4L2Grabber.cpp | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/libsrc/grabber/v4l2/V4L2Grabber.cpp b/libsrc/grabber/v4l2/V4L2Grabber.cpp
index ae6047f1..43db07c3 100644
--- a/libsrc/grabber/v4l2/V4L2Grabber.cpp
+++ b/libsrc/grabber/v4l2/V4L2Grabber.cpp
@@ -617,8 +617,16 @@ void V4L2Grabber::init_device(VideoStandard videoStandard, int input)
 	}
 
 	// set the settings
-	fmt.fmt.pix.width = max_width;
-	fmt.fmt.pix.height = max_height;
+	if (max_width != 0 || max_height != 0)
+	{
+		fmt.fmt.pix.width = max_width;
+		fmt.fmt.pix.height = max_height;
+	}
+	else
+	{
+		fmt.fmt.pix.width = _width;
+		fmt.fmt.pix.height = _height;
+	}
 
 	if (-1 == xioctl(VIDIOC_S_FMT, &fmt))
 	{