* [PATCH] pixfmt-test: fix VIDIOC_G_STD call for webcams
@ 2009-11-03 4:14 Németh Márton
0 siblings, 0 replies; only message in thread
From: Németh Márton @ 2009-11-03 4:14 UTC (permalink / raw)
To: V4L Mailing List, Franck Bourdonnec, Jean-Francois Moine
From: Márton Németh <nm127@freemail.hu>
Webcams may return -1 and errno=EINVAL when there is no standard which
they support. Handle this case in pixfmt-test.
Signed-off-by: Márton Németh <nm127@freemail.hu>
---
diff -r 43878f8dbfb0 v4l2-apps/test/pixfmt-test.c
--- a/v4l2-apps/test/pixfmt-test.c Sun Nov 01 07:17:46 2009 -0200
+++ b/v4l2-apps/test/pixfmt-test.c Tue Nov 03 05:10:52 2009 +0100
@@ -1741,8 +1741,10 @@
/* Errors ignored. */
}
+ /* Webcams may not support any standard at all, see
+ http://v4l2spec.bytesex.org/spec/x448.htm for details */
if (-1 == xioctl (dev_fd, VIDIOC_G_STD, &std_id))
- errno_exit ("VIDIOC_G_STD");
+ std_id = 0;
}
static void
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2009-11-03 4:14 [PATCH] pixfmt-test: fix VIDIOC_G_STD call for webcams Németh Márton
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