[gst-devel] Enumering capture devices?

[Francis Rammeloo]

I think you also need to link with libgstinterfaces-0.10.

Grts,
Francis

2010/2/22 sumit kumar <sumit.git at gmail.com>:
> Hi,
> I also tried the same code but getting some linking errors. I have linked
> with the following libraries: libgio-2.0, libglib-2.0, libgmodule-2.0,
> libgobject-2.0, libgstbase-0.10, libgstcontroller-0.10 and
> libgstreamer-0.10. What I am missing? Thanks in advance for your help. The
> error logs is as below:
>
>
> video_stream.obj : error LNK2019: unresolved external symbol
> _gst_property_probe_get_values_name referenced in function "void __cdecl
> chek_vid_dev(void)" (?chek_vid_dev@@YAXXZ)
>
> video_stream.obj : error LNK2019: unresolved external symbol
> _gst_property_probe_get_type referenced in function "void __cdecl
> chek_vid_dev(void)" (?chek_vid_dev@@YAXXZ)
>
>
>
> Regards,
> Sumit
>
> On Fri, Feb 12, 2010 at 4:39 AM, Francis Rammeloo
> <francis.rammeloo at gmail.com> wrote:
>>
>> That seems to work well. Thanks :)
>>
>> 2010/2/11 Julien Isorce <julien.isorce at gmail.com>:
>> > Hi,
>> >
>> >
>> > Something like that:
>> >
>> > #include <gst/interfaces/propertyprobe.h>
>> >
>> > GstElement* videodevicesrc = create_element("dshowvideosrc", NULL);
>> > GstPropertyProbe* probe = GST_PROPERTY_PROBE (videodevicesrc);
>> > GValueArray* va = gst_property_probe_get_values_name (probe,
>> > "device-name");
>> > for(guint i=0; i < va->n_values; ++i) {
>> >     GValue* v = g_value_array_get_nth(va, i);
>> >     g_print ("one more device: %s\n", g_value_get_string(v));
>> > }
>> > gst_element_set_state (videodevicesrc, GST_STATE_NULL);
>> > gst_object_unref(GST_OBJECT (videodevicesrc));
>> >
>> >
>> > 2010/2/10 Francis Rammeloo <francis.rammeloo at gmail.com>
>> >>
>> >> I am using the directshowsrc for capturing a camera source. If there
>> >> is only one camera it works out of the box without requiring me to
>> >> specify a device-name. However when multiple cameras are connected
>> >> then I need some way of enumerating the device names. Does GStreamer
>> >> provide such a mechanism (similar to DirectShow's System Device
>> >> Enumerator)?
>> >>
>> >>
>> >> Grts,
>> >> Francis
>> >>
>> >>
>> >>
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