GST_MESSAGE_DEVICE_ADDED never called

[Olivier Crête]

Hi,

Is it a USB Webcam? Are you running a generic desktop distribution
(Fedora, Ubuntu, etc) or something strange?
When you connect the camera, does a /dev/video<X> device appear? Check
the return value of gst_device_monitor_start().

Olivier

On Fri, 2015-07-10 at 16:35 +0200, Luis Garcia wrote:
> Hi List,
> I am testing the new feature Device Monitor, and I have this small 
> test:
>  
> static gboolean message_func(GstBus *bus, GstMessage *message, 
> gpointer user_data) {
>   switch (GST_MESSAGE_TYPE (message)) {
>     case GST_MESSAGE_DEVICE_ADDED:
>       g_print("Device Added");
>       break;
>     case GST_MESSAGE_DEVICE_REMOVED:
>       g_print("Device Removed");
>       break;
>     default:
>       break;
>   }
>   return G_SOURCE_CONTINUE;
> }
>  
> (...)
>   GstDeviceMonitor *monitor=gst_device_monitor_new ();
>   GstBus *bus = gst_device_monitor_get_bus(monitor);
>   gst_bus_add_watch(bus, message_func, NULL);
>  (..)
>   gst_device_monitor_start (monitor);
> (..)
>  GMainLoop *loop = g_main_loop_new (NULL, FALSE);
>   g_main_loop_run (loop);
>   /* Free resources */
>   gst_object_unref (bus);
>   gst_device_monitor_stop (monitor);
>   gst_object_unref (monitor);
>  
> The problem is that if a plug in a new camera, I never get the 
> message GST_MESSAGE_DEVICE_ADDED.
> I am using gstreamer Version 1.4.0 and I am working in Linux.
>  
> Am  doing something wrong?
> Thanks!!
>  
>  
>  
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> gstreamer-devel at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
-- 
Olivier Crête
olivier.crete at collabora.com