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/usr/include/cheese/cheese-camera.h is in libcheese-dev 3.18.1-2ubuntu3.

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/*
 * Copyright © 2007,2008 Jaap Haitsma <jaap@haitsma.org>
 * Copyright © 2007-2009 daniel g. siegel <dgsiegel@gnome.org>
 * Copyright © 2008 Ryan zeigler <zeiglerr@gmail.com>
 * Copyright © 2010 Yuvaraj Pandian T <yuvipanda@yuvi.in>
 *
 * Licensed under the GNU General Public License Version 2
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */


#ifndef __CHEESE_CAMERA_H__
#define __CHEESE_CAMERA_H__

#include <glib-object.h>
#include <clutter/clutter.h>
#include <cheese-camera-device.h>
#include <cheese-effect.h>
#include <gdk-pixbuf/gdk-pixbuf.h>

G_BEGIN_DECLS

#define CHEESE_TYPE_CAMERA (cheese_camera_get_type ())
#define CHEESE_CAMERA(o)           (G_TYPE_CHECK_INSTANCE_CAST ((o), CHEESE_TYPE_CAMERA, CheeseCamera))
#define CHEESE_CAMERA_CLASS(k)     (G_TYPE_CHECK_CLASS_CAST ((k), CHEESE_TYPE_CAMERA, CheeseCameraClass))
#define CHEESE_IS_CAMERA(o)        (G_TYPE_CHECK_INSTANCE_TYPE ((o), CHEESE_TYPE_CAMERA))
#define CHEESE_IS_CAMERA_CLASS(k)  (G_TYPE_CHECK_CLASS_TYPE ((k), CHEESE_TYPE_CAMERA))
#define CHEESE_CAMERA_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), CHEESE_TYPE_CAMERA, CheeseCameraClass))

typedef struct _CheeseCameraPrivate CheeseCameraPrivate;
typedef struct _CheeseCameraClass CheeseCameraClass;
typedef struct _CheeseCamera CheeseCamera;

/**
 * CheeseCameraClass:
 * @photo_saved: invoked when a photo was saved to disk
 * @photo_taken: invoked when a photo was taken
 * @video_saved: invoked when a video was saved to disk
 * @state_flags_changed: invoked when the state of the camera #GstElement
 * changed
 *
 * Class for #CheeseCamera.
 */
struct _CheeseCameraClass
{
  /*< private >*/
  GObjectClass parent_class;

  /*< public >*/
  void (*photo_saved)(CheeseCamera *camera);
  void (*photo_taken)(CheeseCamera *camera, GdkPixbuf *pixbuf);
  void (*video_saved)(CheeseCamera *camera);
  void (*state_flags_changed)(CheeseCamera *camera, GstState new_state);
};

/**
 * CheeseCamera:
 *
 * Use the accessor functions below.
 */
struct _CheeseCamera
{
  /*< private >*/
  GObject parent;
  void *unused;
};

/**
 * CheeseCameraError:
 * @CHEESE_CAMERA_ERROR_UNKNOWN: unknown error
 * @CHEESE_CAMERA_ERROR_ELEMENT_NOT_FOUND: a required GStreamer element was not
 * found
 * @CHEESE_CAMERA_ERROR_NO_DEVICE: a #CheeseCameraDevice was not found
 *
 * Errors that can occur during camera setup, when calling
 * cheese_camera_setup().
 */
typedef enum
{
  CHEESE_CAMERA_ERROR_UNKNOWN,
  CHEESE_CAMERA_ERROR_ELEMENT_NOT_FOUND,
  CHEESE_CAMERA_ERROR_NO_DEVICE
} CheeseCameraError;

GType         cheese_camera_get_type (void);
CheeseCamera *cheese_camera_new (ClutterActor *video_texture,
                                 const gchar  *name,
                                 gint          x_resolution,
                                 gint          y_resolution);

const CheeseVideoFormat *cheese_camera_get_current_video_format (CheeseCamera *camera);
void                     cheese_camera_setup (CheeseCamera *camera, CheeseCameraDevice *device, GError **error);
void                     cheese_camera_play (CheeseCamera *camera);
void                     cheese_camera_stop (CheeseCamera *camera);
void                     cheese_camera_set_effect (CheeseCamera *camera, CheeseEffect *effect);
void                     cheese_camera_connect_effect_texture (CheeseCamera *camera,
                                                               CheeseEffect *effect,
                                                               ClutterActor *texture);
void                cheese_camera_start_video_recording (CheeseCamera *camera, const gchar *filename);
void                cheese_camera_stop_video_recording (CheeseCamera *camera);
gboolean            cheese_camera_take_photo (CheeseCamera *camera, const gchar *filename);
gboolean            cheese_camera_take_photo_pixbuf (CheeseCamera *camera);
CheeseCameraDevice *cheese_camera_get_selected_device (CheeseCamera *camera);
GPtrArray *         cheese_camera_get_camera_devices (CheeseCamera *camera);
void                cheese_camera_set_device (CheeseCamera *camera, CheeseCameraDevice *device);
void                cheese_camera_switch_camera_device (CheeseCamera *camera);
GList *             cheese_camera_get_video_formats (CheeseCamera *camera);
void                cheese_camera_set_video_format (CheeseCamera      *camera,
                                                    CheeseVideoFormat *format);
gboolean cheese_camera_get_balance_property_range (CheeseCamera *camera,
                                                   const gchar *property,
                                                   gdouble *min, gdouble *max, gdouble *def);
void cheese_camera_set_balance_property (CheeseCamera *camera, const gchar *property, gdouble value);
void cheese_camera_toggle_effects_pipeline (CheeseCamera *camera, gboolean active);
gchar *cheese_camera_get_recorded_time (CheeseCamera *camera);

G_END_DECLS

#endif /* __CHEESE_CAMERA_H__ */