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v4l2: handle EINVAL without posting a warning

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EINVAL means that a call is not supported, we only want to post a WARNING when
something is really wrong.
This commit is contained in:
Wim Taymans 2011-07-13 11:36:54 +02:00
parent 50ce1807f0
commit 6d97bfc41f
1 changed files with 9 additions and 6 deletions
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15
sys/v4l2/gstv4l2object.c
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@ -2072,8 +2072,8 @@ gst_v4l2_object_set_format (GstV4l2Object * v4l2object, GstCaps * caps)
struct v4l2_streamparm *streamparm;
enum v4l2_field field;
guint32 pixelformat;
gint width;
gint height;
gint ret;
gint width, height;
gboolean interlaced;
struct v4l2_fmtdesc *fmtdesc;
guint fps_n, fps_d;
@ -2161,7 +2161,7 @@ gst_v4l2_object_set_format (GstV4l2Object * v4l2object, GstCaps * caps)
memset (streamparm, 0x00, sizeof (struct v4l2_streamparm));
streamparm->type = v4l2object->type;
if (v4l2_ioctl (fd, VIDIOC_G_PARM, streamparm) < 0)
if ((ret = v4l2_ioctl (fd, VIDIOC_G_PARM, streamparm)) < 0)
goto get_parm_failed;
if (v4l2object->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
@ -2255,9 +2255,12 @@ invalid_pixelformat:
}
get_parm_failed:
{
GST_ELEMENT_WARNING (v4l2object->element, RESOURCE, SETTINGS,
(_("Could not get parameters on device '%s'"),
v4l2object->videodev), GST_ERROR_SYSTEM);
/* it's possible that this call is not supported */
if (ret != EINVAL) {
GST_ELEMENT_WARNING (v4l2object->element, RESOURCE, SETTINGS,
(_("Could not get parameters on device '%s'"),
v4l2object->videodev), GST_ERROR_SYSTEM);
}
goto done;
}
set_parm_failed: