camera: move device list to its own component

8 files changed, 398 insertions, 139 deletions

diff --git a/clutter-gst/Makefile.am b/clutter-gst/Makefile.am
index fb88f27..1b6e594 100644
--- a/clutter-gst/Makefile.am
+++ b/clutter-gst/Makefile.am
@@ -26,6 +26,7 @@ source_h = 					\
 	$(srcdir)/clutter-gst-util.h		\
 	$(srcdir)/clutter-gst-version.h		\
 	$(srcdir)/clutter-gst-camera.h		\
+	$(srcdir)/clutter-gst-camera-manager.h	\
 	$(srcdir)/clutter-gst-camera-device.h	\
 	$(srcdir)/clutter-gst-playback.h	\
 	$(srcdir)/clutter-gst-player.h		\
@@ -46,6 +47,7 @@ source_c = 					\
 	$(srcdir)/clutter-gst-marshal.c		\
 	$(srcdir)/clutter-gst-player.c		\
 	$(srcdir)/clutter-gst-camera.c		\
+	$(srcdir)/clutter-gst-camera-manager.c	\
 	$(srcdir)/clutter-gst-camera-device.c	\
 	$(srcdir)/clutter-gst-playback.c	\
 	$(srcdir)/clutter-gst-util.c		\
diff --git a/clutter-gst/clutter-gst-camera-manager.c b/clutter-gst/clutter-gst-camera-manager.c
new file mode 100644
index 0000000..b614c27
--- /dev/null
+++ b/clutter-gst/clutter-gst-camera-manager.c
@@ -0,0 +1,259 @@
+/*
+ * Clutter-GStreamer.
+ *
+ * GStreamer integration library for Clutter.
+ *
+ * clutter-gst-camera-manager.c - a component to list available cameras
+ *
+ * Authored By Lionel Landwerlin <lionel.g.landwerlin@linux.intel.com>
+ *
+ * Copyright (C) 2013 Intel Corporation
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+/**
+ * SECTION:clutter-gst-camera-manager
+ * @short_description: A component to list available cameras.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <string.h>
+
+#include <gst/gst.h>
+#ifdef HAVE_GUDEV
+#include <gudev/gudev.h>
+#endif
+
+#include "clutter-gst-camera-manager.h"
+#include "clutter-gst-camera-device.h"
+
+G_DEFINE_TYPE (ClutterGstCameraManager, clutter_gst_camera_manager, G_TYPE_OBJECT)
+
+#define GST_CAMERA_MANAGER_PRIVATE(o) \
+  (G_TYPE_INSTANCE_GET_PRIVATE ((o), CLUTTER_GST_TYPE_CAMERA_MANAGER, ClutterGstCameraManagerPrivate))
+
+struct _ClutterGstCameraManagerPrivate
+{
+  GPtrArray *camera_devices;
+};
+
+
+static void
+clutter_gst_camera_manager_get_property (GObject    *object,
+                                         guint       property_id,
+                                         GValue     *value,
+                                         GParamSpec *pspec)
+{
+  switch (property_id)
+    {
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+    }
+}
+
+static void
+clutter_gst_camera_manager_set_property (GObject      *object,
+                                         guint         property_id,
+                                         const GValue *value,
+                                         GParamSpec   *pspec)
+{
+  switch (property_id)
+    {
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+    }
+}
+
+static void
+clutter_gst_camera_manager_dispose (GObject *object)
+{
+  ClutterGstCameraManagerPrivate *priv = CLUTTER_GST_CAMERA_MANAGER (object)->priv;
+
+  if (priv->camera_devices)
+    {
+      g_ptr_array_unref (priv->camera_devices);
+      priv->camera_devices = NULL;
+    }
+
+
+  G_OBJECT_CLASS (clutter_gst_camera_manager_parent_class)->dispose (object);
+}
+
+static void
+clutter_gst_camera_manager_finalize (GObject *object)
+{
+  G_OBJECT_CLASS (clutter_gst_camera_manager_parent_class)->finalize (object);
+}
+
+static void
+clutter_gst_camera_manager_class_init (ClutterGstCameraManagerClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  g_type_class_add_private (klass, sizeof (ClutterGstCameraManagerPrivate));
+
+  object_class->get_property = clutter_gst_camera_manager_get_property;
+  object_class->set_property = clutter_gst_camera_manager_set_property;
+  object_class->dispose = clutter_gst_camera_manager_dispose;
+  object_class->finalize = clutter_gst_camera_manager_finalize;
+}
+
+static void
+add_device (ClutterGstCameraManager *self,
+            GstElementFactory       *element_factory,
+            const gchar             *device_node,
+            const gchar             *device_name)
+{
+  ClutterGstCameraManagerPrivate *priv = self->priv;
+  ClutterGstCameraDevice *device;
+
+  if (!priv->camera_devices)
+    priv->camera_devices =
+      g_ptr_array_new_with_free_func ((GDestroyNotify) g_object_unref);
+
+  device = g_object_new (CLUTTER_GST_TYPE_CAMERA_DEVICE,
+                         "element-factory", element_factory,
+                         "node", device_node,
+                         "name", device_name,
+                         NULL);
+  g_ptr_array_add (priv->camera_devices, device);
+}
+
+static gboolean
+probe_camera_devices (ClutterGstCameraManager *self)
+{
+  ClutterGstCameraManagerPrivate *priv = self->priv;
+  GstElement *videosrc;
+  GstElementFactory *element_factory;
+  GParamSpec *pspec;
+  gchar *device_node;
+  gchar *device_name;
+#ifdef HAVE_GUDEV
+  GUdevClient *udev_client;
+  GList *udevices, *l;
+  GUdevDevice *udevice;
+#endif
+
+  videosrc = gst_element_factory_make ("v4l2src", "v4l2src");
+  if (!videosrc)
+    {
+      g_warning ("Unable to get available camera devices, "
+                 "v4l2src element missing");
+      return FALSE;
+    }
+
+  pspec = g_object_class_find_property (
+                                        G_OBJECT_GET_CLASS (G_OBJECT (videosrc)), "device");
+  if (!G_IS_PARAM_SPEC_STRING (pspec))
+    {
+      g_warning ("Unable to get available camera devices, "
+                 "v4l2src has no 'device' property");
+      goto out;
+    }
+
+  element_factory = gst_element_get_factory (videosrc);
+
+#ifdef HAVE_GUDEV
+  udev_client = g_udev_client_new (NULL);
+  udevices = g_udev_client_query_by_subsystem (udev_client, "video4linux");
+  for (l = udevices; l != NULL; l = l->next)
+    {
+      gint v4l_version;
+
+      udevice = (GUdevDevice *) l->data;
+      v4l_version = g_udev_device_get_property_as_int (udevice, "ID_V4L_VERSION");
+      if (v4l_version == 2)
+        {
+          const char *caps;
+
+          caps = g_udev_device_get_property (udevice, "ID_V4L_CAPABILITIES");
+          if (caps == NULL || strstr (caps, ":capture:") == NULL)
+            continue;
+
+          device_node = (gchar *) g_udev_device_get_device_file (udevice);
+          device_name = (gchar *) g_udev_device_get_property (udevice, "ID_V4L_PRODUCT");
+
+          add_device (self, element_factory, device_node, device_name);
+        }
+
+      g_object_unref (udevice);
+    }
+  g_list_free (udevices);
+  g_object_unref (udev_client);
+#else
+  /* GStreamer 1.0 does not support property probe, adding default detected
+   * device as only known device */
+  g_object_get (videosrc, "device", &device_node, NULL);
+  g_object_get (videosrc, "device-name", &device_name, NULL);
+  add_device (self, element_factory, device_node, device_name);
+
+  g_free (device_node);
+  g_free (device_name);
+#endif
+
+ out:
+  gst_object_unref (videosrc);
+  return (priv->camera_devices != NULL);
+}
+
+static void
+clutter_gst_camera_manager_init (ClutterGstCameraManager *self)
+{
+  self->priv = GST_CAMERA_MANAGER_PRIVATE (self);
+}
+
+/**
+ * clutter_gst_camera_manager_get_default:
+ *
+ * Get the camera manager.
+ *
+ * <note>This function has to be called from Clutter's main
+ * thread.</note>
+ *
+ * Return value: (transfer none): the default camera manager.
+ */
+ClutterGstCameraManager *
+clutter_gst_camera_manager_get_default (void)
+{
+  static ClutterGstCameraManager *manager = NULL;
+
+  if (G_UNLIKELY (manager == NULL))
+    manager = g_object_new (CLUTTER_GST_TYPE_CAMERA_MANAGER, NULL);
+
+  return manager;
+}
+
+/**
+ * clutter_gst_camera_manager_get_camera_devices:
+ * @self: a #ClutterGstCameraManager
+ *
+ * Retrieve an array of supported camera devices.
+ *
+ * Return value: (transfer none) (element-type ClutterGst.CameraDevice): An array of #ClutterGstCameraDevice representing
+ *                                the supported camera devices
+ */
+const GPtrArray *
+clutter_gst_camera_manager_get_camera_devices (ClutterGstCameraManager *self)
+{
+  g_return_val_if_fail (CLUTTER_GST_IS_CAMERA_MANAGER (self), NULL);
+
+  return self->priv->camera_devices;
+}
diff --git a/clutter-gst/clutter-gst-camera-manager.h b/clutter-gst/clutter-gst-camera-manager.h
new file mode 100644
index 0000000..c17f884
--- /dev/null
+++ b/clutter-gst/clutter-gst-camera-manager.h
@@ -0,0 +1,98 @@
+/*
+ * Clutter-GStreamer.
+ *
+ * GStreamer integration library for Clutter.
+ *
+ * clutter-gst-camera-manager.h - a component to list available cameras
+ *
+ * Authored By Lionel Landwerlin <lionel.g.landwerlin@linux.intel.com>
+ *
+ * Copyright (C) 2013 Intel Corporation
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __CLUTTER_GST_CAMERA_MANAGER_H__
+#define __CLUTTER_GST_CAMERA_MANAGER_H__
+
+#if !defined(__CLUTTER_GST_H_INSIDE__) && !defined(CLUTTER_GST_COMPILATION)
+#error "Only <clutter-gst/clutter-gst.h> can be included directly."
+#endif
+
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+#define CLUTTER_GST_TYPE_CAMERA_MANAGER clutter_gst_camera_manager_get_type()
+
+#define CLUTTER_GST_CAMERA_MANAGER(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST ((obj), \
+  CLUTTER_GST_TYPE_CAMERA_MANAGER, ClutterGstCameraManager))
+
+#define CLUTTER_GST_CAMERA_MANAGER_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST ((klass), \
+  CLUTTER_GST_TYPE_CAMERA_MANAGER, ClutterGstCameraManagerClass))
+
+#define CLUTTER_GST_IS_CAMERA_MANAGER(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE ((obj), \
+  CLUTTER_GST_TYPE_CAMERA_MANAGER))
+
+#define CLUTTER_GST_IS_CAMERA_MANAGER_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_TYPE ((klass), \
+  CLUTTER_GST_TYPE_CAMERA_MANAGER))
+
+#define CLUTTER_GST_CAMERA_MANAGER_GET_CLASS(obj) \
+  (G_TYPE_INSTANCE_GET_CLASS ((obj), \
+  CLUTTER_GST_TYPE_CAMERA_MANAGER, ClutterGstCameraManagerClass))
+
+typedef struct _ClutterGstCameraManager ClutterGstCameraManager;
+typedef struct _ClutterGstCameraManagerClass ClutterGstCameraManagerClass;
+typedef struct _ClutterGstCameraManagerPrivate ClutterGstCameraManagerPrivate;
+
+/**
+ * ClutterGstCameraManager:
+ *
+ * An object to list available cameras on the system.
+ *
+ * The #ClutterGstCameraManager structure contains only private data and
+ * should not be accessed directly.
+ */
+struct _ClutterGstCameraManager
+{
+  GObject parent;
+
+  ClutterGstCameraManagerPrivate *priv;
+};
+
+/**
+ * ClutterGstCameraManagerClass:
+ *
+ * Base class for #ClutterGstCamera.
+ */
+struct _ClutterGstCameraManagerClass
+{
+  GObjectClass parent_class;
+};
+
+GType clutter_gst_camera_manager_get_type (void) G_GNUC_CONST;
+
+ClutterGstCameraManager *clutter_gst_camera_manager_get_default (void);
+
+const GPtrArray *clutter_gst_camera_manager_get_camera_devices (ClutterGstCameraManager *self);
+
+G_END_DECLS
+
+#endif /* __CLUTTER_GST_CAMERA_MANAGER_H__ */
diff --git a/clutter-gst/clutter-gst-camera.c b/clutter-gst/clutter-gst-camera.c
index 0d5ddf5..ef8ace5 100644
--- a/clutter-gst/clutter-gst-camera.c
+++ b/clutter-gst/clutter-gst-camera.c
@@ -44,11 +44,9 @@
 #include <gio/gio.h>
 #include <gst/base/gstbasesink.h>
 #include <gst/video/video.h>
-#ifdef HAVE_GUDEV
-#include <gudev/gudev.h>
-#endif
 
 #include "clutter-gst-camera.h"
+#include "clutter-gst-camera-manager.h"
 #include "clutter-gst-debug.h"
 #include "clutter-gst-enum-types.h"
 #include "clutter-gst-marshal.h"
@@ -62,7 +60,6 @@ static const gchar *supported_media_types[] = {
 
 struct _ClutterGstCameraPrivate
 {
-  GPtrArray *camera_devices;
   ClutterGstCameraDevice *camera_device;
 
   ClutterGstFrame *current_frame;
@@ -282,11 +279,7 @@ clutter_gst_camera_dispose (GObject *object)
   g_free (priv->photo_filename);
   priv->photo_filename = NULL;
 
-  if (priv->camera_devices)
-    {
-      g_ptr_array_unref (priv->camera_devices);
-      priv->camera_devices = NULL;
-    }
+  g_clear_object (&priv->camera_device);
 
   if (priv->bus)
     {
@@ -676,107 +669,6 @@ set_device_resolutions (ClutterGstCamera       *self,
   device_capture_resolution_changed (device, width, height, self);
 }
 
-static void
-add_device (ClutterGstCamera  *self,
-            GstElementFactory *element_factory,
-            const gchar       *device_node,
-            const gchar       *device_name)
-{
-  ClutterGstCameraPrivate *priv = self->priv;
-  ClutterGstCameraDevice *device;
-
-  if (!priv->camera_devices)
-    priv->camera_devices =
-      g_ptr_array_new_with_free_func ((GDestroyNotify) g_object_unref);
-
-  device = g_object_new (CLUTTER_GST_TYPE_CAMERA_DEVICE,
-                         "element-factory", element_factory,
-                         "node", device_node,
-                         "name", device_name,
-                         NULL);
-  g_signal_connect (device, "capture-resolution-changed",
-                    G_CALLBACK (device_capture_resolution_changed),
-                    self);
-  g_ptr_array_add (priv->camera_devices, device);
-}
-
-static gboolean
-probe_camera_devices (ClutterGstCamera *self)
-{
-  ClutterGstCameraPrivate *priv = self->priv;
-  GstElement *videosrc;
-  GstElementFactory *element_factory;
-  GParamSpec *pspec;
-  gchar *device_node;
-  gchar *device_name;
-#ifdef HAVE_GUDEV
-  GUdevClient *udev_client;
-  GList *udevices, *l;
-  GUdevDevice *udevice;
-#endif
-
-  videosrc = gst_element_factory_make ("v4l2src", "v4l2src");
-  if (!videosrc)
-    {
-      g_warning ("Unable to get available camera devices, "
-                 "v4l2src element missing");
-      return FALSE;
-    }
-
-  pspec = g_object_class_find_property (
-                                        G_OBJECT_GET_CLASS (G_OBJECT (videosrc)), "device");
-  if (!G_IS_PARAM_SPEC_STRING (pspec))
-    {
-      g_warning ("Unable to get available camera devices, "
-                 "v4l2src has no 'device' property");
-      goto out;
-    }
-
-  element_factory = gst_element_get_factory (videosrc);
-
-#ifdef HAVE_GUDEV
-  udev_client = g_udev_client_new (NULL);
-  udevices = g_udev_client_query_by_subsystem (udev_client, "video4linux");
-  for (l = udevices; l != NULL; l = l->next)
-    {
-      gint v4l_version;
-
-      udevice = (GUdevDevice *) l->data;
-      v4l_version = g_udev_device_get_property_as_int (udevice, "ID_V4L_VERSION");
-      if (v4l_version == 2)
-        {
-          const char *caps;
-
-          caps = g_udev_device_get_property (udevice, "ID_V4L_CAPABILITIES");
-          if (caps == NULL || strstr (caps, ":capture:") == NULL)
-            continue;
-
-          device_node = (gchar *) g_udev_device_get_device_file (udevice);
-          device_name = (gchar *) g_udev_device_get_property (udevice, "ID_V4L_PRODUCT");
-
-          add_device (self, element_factory, device_node, device_name);
-        }
-
-      g_object_unref (udevice);
-    }
-  g_list_free (udevices);
-  g_object_unref (udev_client);
-#else
-  /* GStreamer 1.0 does not support property probe, adding default detected
-   * device as only known device */
-  g_object_get (videosrc, "device", &device_node, NULL);
-  g_object_get (videosrc, "device-name", &device_name, NULL);
-  add_device (self, element_factory, device_node, device_name);
-
-  g_free (device_node);
-  g_free (device_name);
-#endif
-
- out:
-  gst_object_unref (videosrc);
-  return (priv->camera_devices != NULL);
-}
-
 static gboolean
 setup_camera_source (ClutterGstCamera *self)
 {
@@ -838,12 +730,8 @@ static gboolean
 setup_pipeline (ClutterGstCamera *self)
 {
   ClutterGstCameraPrivate *priv = self->priv;
-
-  if (!probe_camera_devices (self))
-    {
-      g_critical ("Unable to find any suitable capture device");
-      return FALSE;
-    }
+  const GPtrArray *camera_devices =
+    clutter_gst_camera_manager_get_camera_devices (clutter_gst_camera_manager_get_default ());
 
   priv->camerabin = gst_element_factory_make ("camerabin", "camerabin");
   if (G_UNLIKELY (!priv->camerabin))
@@ -865,7 +753,7 @@ setup_pipeline (ClutterGstCamera *self)
     }
 
   if (!clutter_gst_camera_set_camera_device (self,
-                                             g_ptr_array_index (priv->camera_devices, 0)))
+                                             g_ptr_array_index (camera_devices, 0)))
     {
       g_critical ("Unable to select capture device");
       gst_object_unref (priv->camerabin);
@@ -977,23 +865,6 @@ clutter_gst_camera_new (void)
 /* } */
 
 /**
- * clutter_gst_camera_get_camera_devices:
- * @self: a #ClutterGstCamera
- *
- * Retrieve an array of supported camera devices.
- *
- * Return value: (transfer none) (element-type ClutterGst.CameraDevice): An array of #ClutterGstCameraDevice representing
- *                                the supported camera devices
- */
-const GPtrArray *
-clutter_gst_camera_get_camera_devices (ClutterGstCamera *self)
-{
-  g_return_val_if_fail (CLUTTER_GST_IS_CAMERA (self), NULL);
-
-  return self->priv->camera_devices;
-}
-
-/**
  * clutter_gst_camera_get_camera_device:
  * @self: a #ClutterGstCamera
  *
@@ -1067,12 +938,24 @@ clutter_gst_camera_set_camera_device (ClutterGstCamera       *self,
 
   gst_object_unref (element_factory);
 
-  priv->camera_device = device;
+  if (priv->camera_device)
+    {
+      g_signal_handlers_disconnect_by_func (priv->camera_device,
+                                            device_capture_resolution_changed,
+                                            self);
+      g_clear_object (&priv->camera_device);
+    }
+
+  priv->camera_device = g_object_ref (device);
 
   g_object_set (G_OBJECT (src), "device", node, NULL);
   g_free (node);
   g_object_set (G_OBJECT (priv->camera_source), "video-source", src, NULL);
 
+  g_signal_connect (device, "capture-resolution-changed",
+                    G_CALLBACK (device_capture_resolution_changed),
+                    self);
+
   set_device_resolutions (self, device);
 
   if (was_playing)
diff --git a/clutter-gst/clutter-gst-camera.h b/clutter-gst/clutter-gst-camera.h
index b3702a6..b18bc5c 100644
--- a/clutter-gst/clutter-gst-camera.h
+++ b/clutter-gst/clutter-gst-camera.h
@@ -116,8 +116,6 @@ GType clutter_gst_camera_get_type (void) G_GNUC_CONST;
 
 ClutterGstCamera * clutter_gst_camera_new                   (void);
 
-const GPtrArray *
-               clutter_gst_camera_get_camera_devices    (ClutterGstCamera   *self);
 ClutterGstCameraDevice *
                clutter_gst_camera_get_camera_device     (ClutterGstCamera   *self);
 gboolean       clutter_gst_camera_set_camera_device     (ClutterGstCamera       *self,
diff --git a/clutter-gst/clutter-gst.h b/clutter-gst/clutter-gst.h
index f6d2901..70b4ccc 100644
--- a/clutter-gst/clutter-gst.h
+++ b/clutter-gst/clutter-gst.h
@@ -34,6 +34,7 @@
 #include "clutter-gst-enum-types.h"
 #include "clutter-gst-aspectratio.h"
 #include "clutter-gst-camera-device.h"
+#include "clutter-gst-camera-manager.h"
 #include "clutter-gst-camera.h"
 #include "clutter-gst-content.h"
 #include "clutter-gst-crop.h"
diff --git a/doc/reference/clutter-gst-sections.txt b/doc/reference/clutter-gst-sections.txt
index 36af9c4..a37ac73 100644
--- a/doc/reference/clutter-gst-sections.txt
+++ b/doc/reference/clutter-gst-sections.txt
@@ -113,7 +113,6 @@ clutter_gst_camera_new
 clutter_gst_camera_get_brightness
 clutter_gst_camera_get_brightness_range
 clutter_gst_camera_get_camera_device
-clutter_gst_camera_get_camera_devices
 clutter_gst_camera_get_color_balance_property
 clutter_gst_camera_get_color_balance_property_range
 clutter_gst_camera_get_contrast
@@ -157,6 +156,25 @@ ClutterGstCameraPrivate
 </SECTION>
 
 <SECTION>
+<FILE>clutter-gst-camera-manager</FILE>
+<TITLE>ClutterGstCameraManager</TITLE>
+ClutterGstCameraManager
+ClutterGstCameraManagerClass
+clutter_gst_camera_manager_get_camera_devices
+clutter_gst_camera_manager_get_default
+<SUBSECTION Standard>
+CLUTTER_GST_CAMERA_MANAGER
+CLUTTER_GST_CAMERA_MANAGER_CLASS
+CLUTTER_GST_CAMERA_MANAGER_GET_CLASS
+CLUTTER_GST_IS_CAMERA_MANAGER
+CLUTTER_GST_IS_CAMERA_MANAGER_CLASS
+CLUTTER_GST_TYPE_CAMERA_MANAGER
+clutter_gst_camera_manager_get_type
+<SUBSECTION Private>
+ClutterGstCameraManagerPrivate
+</SECTION>
+
+<SECTION>
 <FILE>clutter-gst-camera-device</FILE>
 <TITLE>ClutterGstCameraDevice</TITLE>
 ClutterGstCameraDevice
diff --git a/examples/camera-player.c b/examples/camera-player.c
index 4bd50a6..3aef99e 100644
--- a/examples/camera-player.c
+++ b/examples/camera-player.c
@@ -393,7 +393,7 @@ main (int argc, char *argv[])
                                     NULL);
 
 
-  app->camera_devices = clutter_gst_camera_get_camera_devices (app->camera_player);
+  app->camera_devices = clutter_gst_camera_manager_get_camera_devices (clutter_gst_camera_manager_get_default ());
   if (!app->camera_devices)
     {
       g_error ("no suitable camera device available");