From 8900722f55b56c944282f54a6857dc706163ded2 Mon Sep 17 00:00:00 2001
From: Wim Taymans <wtaymans@redhat.com>
Date: Fri, 4 Nov 2022 10:59:39 +0100
Subject: [PATCH] v4l2: only accept CAPTURE buffer types in try_fmt

---
 pipewire-v4l2/src/pipewire-v4l2.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pipewire-v4l2/src/pipewire-v4l2.c b/pipewire-v4l2/src/pipewire-v4l2.c
index 0db44806d..967f79cf7 100644
--- a/pipewire-v4l2/src/pipewire-v4l2.c
+++ b/pipewire-v4l2/src/pipewire-v4l2.c
@@ -1520,6 +1520,9 @@ static int try_format(struct file *file, struct v4l2_format *fmt)
 	int best = -1;
 
 	pw_log_info("in: type: %u", fmt->type);
+	if (fmt->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+		return -EINVAL;
+
 	pw_log_info("in: format: %.4s", (char*)&fmt->fmt.pix.pixelformat);
 	pw_log_info("in: width: %u", fmt->fmt.pix.width);
 	pw_log_info("in: height: %u", fmt->fmt.pix.height);