/* check for udev events for v4l2 devices*/
gboolean
check_v4l2_udev_events(gpointer data)
{
struct ALL_DATA * all_data = (struct ALL_DATA *) data;
struct vdIn *videoIn = all_data->videoIn;
struct GLOBAL *global = all_data->global;
struct GWIDGET *gwidget = all_data->gwidget;
fd_set fds;
struct timeval tv;
int ret;
FD_ZERO(&fds);
FD_SET(videoIn->udev_fd, &fds);
tv.tv_sec = 0;
tv.tv_usec = 0;
ret = select(videoIn->udev_fd+1, &fds, NULL, NULL, &tv);
/* Check if our file descriptor has received data. */
if (ret > 0 && FD_ISSET(videoIn->udev_fd, &fds))
{
/* Make the call to receive the device.
select() ensured that this will not block. */
struct udev_device *dev = udev_monitor_receive_device(videoIn->udev_mon);
if (dev)
{
if (global->debug)
{
g_print("Got Device event\n");
g_print(" Node: %s\n", udev_device_get_devnode(dev));
g_print(" Subsystem: %s\n", udev_device_get_subsystem(dev));
g_print(" Devtype: %s\n", udev_device_get_devtype(dev));
g_print(" Action: %s\n",udev_device_get_action(dev));
}
/*update device list*/
g_signal_handlers_block_by_func(GTK_COMBO_BOX_TEXT(gwidget->Devices),
G_CALLBACK (Devices_changed), all_data);
/* clear out the old device list... */
if(videoIn->listDevices != NULL) freeDevices(videoIn->listDevices);
GtkListStore *store = GTK_LIST_STORE(gtk_combo_box_get_model (GTK_COMBO_BOX(gwidget->Devices)));
gtk_list_store_clear(store);
/*create new device list*/
videoIn->listDevices = enum_devices( videoIn->videodevice, videoIn->udev, global->debug );
if (videoIn->listDevices->num_devices < 1)
{
//use current
gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(gwidget->Devices),
videoIn->videodevice);
gtk_combo_box_set_active(GTK_COMBO_BOX(gwidget->Devices),0);
}
else
{
int i=0;
for(i=0;i<(videoIn->listDevices->num_devices);i++)
{
gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(gwidget->Devices),
videoIn->listDevices->listVidDevices[i].name);
if(videoIn->listDevices->listVidDevices[i].current)
gtk_combo_box_set_active(GTK_COMBO_BOX(gwidget->Devices),i);
}
}
g_signal_handlers_unblock_by_func(GTK_COMBO_BOX_TEXT(gwidget->Devices),
G_CALLBACK (Devices_changed), all_data);
udev_device_unref(dev);
}
else
g_printerr("No Device from receive_device(). An error occured.\n");
}
return(TRUE);
}
JNIEXPORT void JNICALL
Java_org_jitsi_impl_neomedia_CoreAudioDevice_freeDevices
(JNIEnv *env, jclass clazz)
{
freeDevices();
}