From 28a38344c68672ce2dc58a1e4cfe46f8be12e916 Mon Sep 17 00:00:00 2001
From: "Ronald S. Bultje" <rbultje@ronald.bitfreak.net>
Date: Mon, 10 Nov 2003 10:25:59 +0000
Subject: Proper device-capabilities check when opening

Original commit message from CVS:
Proper device-capabilities check when opening
---
 sys/v4l2/v4l2_calls.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'sys')

diff --git a/sys/v4l2/v4l2_calls.c b/sys/v4l2/v4l2_calls.c
index 8b65dc71..ee6e00dd 100644
--- a/sys/v4l2/v4l2_calls.c
+++ b/sys/v4l2/v4l2_calls.c
@@ -34,6 +34,8 @@
 #include "gstv4l2xoverlay.h"
 #include "gstv4l2colorbalance.h"
 
+#include "gstv4l2src.h"
+
 #define DEBUG(format, args...) \
 	GST_DEBUG_OBJECT (\
 		GST_ELEMENT(v4l2element), \
@@ -372,6 +374,15 @@ gst_v4l2_open (GstV4l2Element *v4l2element)
 		goto error;
 	}
 
+	/* do we need to be a capture device? */
+	if (GST_IS_V4L2SRC(v4l2element) &&
+	    !(v4l2element->vcap.capabilities & V4L2_CAP_VIDEO_CAPTURE)) {
+		gst_element_error(GST_ELEMENT(v4l2element),
+				  "Not a capture device (0x%x)",
+				  v4l2element->vcap.capabilities);
+		goto error;
+	}
+
 	/* create enumerations */
 	if (!gst_v4l2_fill_lists(v4l2element))
 		goto error;
-- 
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