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Proper device-capabilities check when opening

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Original commit message from CVS:
Proper device-capabilities check when opening
This commit is contained in:
Ronald S. Bultje 2003-11-10 10:25:59 +00:00
parent 8f120cdf00
commit 28a38344c6
1 changed files with 11 additions and 0 deletions
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11
sys/v4l2/v4l2_calls.c
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@ -34,6 +34,8 @@
#include "gstv4l2xoverlay.h" #include "gstv4l2xoverlay.h"
#include "gstv4l2colorbalance.h" #include "gstv4l2colorbalance.h"
#include "gstv4l2src.h"
#define DEBUG(format, args...) \ #define DEBUG(format, args...) \
GST_DEBUG_OBJECT (\ GST_DEBUG_OBJECT (\
GST_ELEMENT(v4l2element), \ GST_ELEMENT(v4l2element), \
@ -372,6 +374,15 @@ gst_v4l2_open (GstV4l2Element *v4l2element)
goto error; 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 */ /* create enumerations */
if (!gst_v4l2_fill_lists(v4l2element)) if (!gst_v4l2_fill_lists(v4l2element))
goto error; goto error;