/* GStreamer * * Copyright (C) 2008 Nokia Corporation * * photography.h: photography interface for digital imaging * * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library 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 * Library General Public License for more details. * * You should have received a copy of the GNU Library 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 __GST_PHOTOGRAPHY_H__ #define __GST_PHOTOGRAPHY_H__ #ifndef GST_USE_UNSTABLE_API #warning "The GstPhotography interface is unstable API and may change in future." #warning "You can define GST_USE_UNSTABLE_API to avoid this warning." #endif #include #include G_BEGIN_DECLS #define GST_TYPE_PHOTOGRAPHY \ (gst_photography_get_type ()) #define GST_PHOTOGRAPHY(obj) \ (GST_IMPLEMENTS_INTERFACE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_PHOTOGRAPHY, GstPhotography)) #define GST_IS_PHOTOGRAPHY(obj) \ (GST_IMPLEMENTS_INTERFACE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_PHOTOGRAPHY)) #define GST_PHOTOGRAPHY_GET_IFACE(inst) \ (G_TYPE_INSTANCE_GET_INTERFACE ((inst), GST_TYPE_PHOTOGRAPHY, GstPhotographyInterface)) /* Custom GstMessage name that will be sent to GstBus when autofocusing is complete */ #define GST_PHOTOGRAPHY_AUTOFOCUS_DONE "autofocus-done" /* Custom GstMessage name that will be sent to GstBus when shake risk changes */ #define GST_PHOTOGRAPHY_SHAKE_RISK "shake-risk" /** * GstPhotography: * * Opaque #GstPhotography data structure. */ typedef struct _GstPhotography GstPhotography; typedef enum { GST_PHOTOGRAPHY_WB_MODE_AUTO = 0, GST_PHOTOGRAPHY_WB_MODE_DAYLIGHT, GST_PHOTOGRAPHY_WB_MODE_CLOUDY, GST_PHOTOGRAPHY_WB_MODE_SUNSET, GST_PHOTOGRAPHY_WB_MODE_TUNGSTEN, GST_PHOTOGRAPHY_WB_MODE_FLUORESCENT } GstWhiteBalanceMode; typedef enum { GST_PHOTOGRAPHY_COLOUR_TONE_MODE_NORMAL = 0, GST_PHOTOGRAPHY_COLOUR_TONE_MODE_SEPIA, GST_PHOTOGRAPHY_COLOUR_TONE_MODE_NEGATIVE, GST_PHOTOGRAPHY_COLOUR_TONE_MODE_GRAYSCALE, GST_PHOTOGRAPHY_COLOUR_TONE_MODE_NATURAL, GST_PHOTOGRAPHY_COLOUR_TONE_MODE_VIVID, GST_PHOTOGRAPHY_COLOUR_TONE_MODE_COLORSWAP, GST_PHOTOGRAPHY_COLOUR_TONE_MODE_SOLARIZE, GST_PHOTOGRAPHY_COLOUR_TONE_MODE_OUT_OF_FOCUS } GstColourToneMode; typedef enum { GST_PHOTOGRAPHY_SCENE_MODE_MANUAL = 0, GST_PHOTOGRAPHY_SCENE_MODE_CLOSEUP, GST_PHOTOGRAPHY_SCENE_MODE_PORTRAIT, GST_PHOTOGRAPHY_SCENE_MODE_LANDSCAPE, GST_PHOTOGRAPHY_SCENE_MODE_SPORT, GST_PHOTOGRAPHY_SCENE_MODE_NIGHT, GST_PHOTOGRAPHY_SCENE_MODE_AUTO } GstSceneMode; typedef enum { GST_PHOTOGRAPHY_FLASH_MODE_AUTO = 0, GST_PHOTOGRAPHY_FLASH_MODE_OFF, GST_PHOTOGRAPHY_FLASH_MODE_ON, GST_PHOTOGRAPHY_FLASH_MODE_FILL_IN, GST_PHOTOGRAPHY_FLASH_MODE_RED_EYE } GstFlashMode; typedef enum { GST_PHOTOGRAPHY_FOCUS_STATUS_NONE = 0, GST_PHOTOGRAPHY_FOCUS_STATUS_RUNNING, GST_PHOTOGRAPHY_FOCUS_STATUS_FAIL, GST_PHOTOGRAPHY_FOCUS_STATUS_SUCCESS } GstFocusStatus; typedef enum { GST_PHOTOGRAPHY_CAPS_NONE = (0 << 0), GST_PHOTOGRAPHY_CAPS_EV_COMP = (1 << 0), GST_PHOTOGRAPHY_CAPS_ISO_SPEED = (1 << 1), GST_PHOTOGRAPHY_CAPS_WB_MODE = (1 << 2), GST_PHOTOGRAPHY_CAPS_TONE = (1 << 3), GST_PHOTOGRAPHY_CAPS_SCENE = (1 << 4), GST_PHOTOGRAPHY_CAPS_FLASH = (1 << 5), GST_PHOTOGRAPHY_CAPS_ZOOM = (1 << 6), GST_PHOTOGRAPHY_CAPS_FOCUS = (1 << 7), GST_PHOTOGRAPHY_CAPS_APERTURE = (1 << 8), GST_PHOTOGRAPHY_CAPS_EXPOSURE = (1 << 9), GST_PHOTOGRAPHY_CAPS_SHAKE = (1 << 10) } GstPhotoCaps; typedef enum { GST_PHOTOGRAPHY_SHAKE_RISK_LOW = 0, GST_PHOTOGRAPHY_SHAKE_RISK_MEDIUM, GST_PHOTOGRAPHY_SHAKE_RISK_HIGH, } GstPhotoShakeRisk; typedef struct { GstWhiteBalanceMode wb_mode; GstColourToneMode tone_mode; GstSceneMode scene_mode; GstFlashMode flash_mode; guint32 exposure; guint aperture; gfloat ev_compensation; guint iso_speed; gfloat zoom; } GstPhotoSettings; /** * GstPhotoCapturePrepared: * @data: user data that has been given, when registering the callback * @configured_caps: #GstCaps defining the configured capture format. * Ownership of these caps stays in the element. * * This callback will be called when the element has finished preparations * for photo capture. */ typedef void (*GstPhotoCapturePrepared) (gpointer data, const GstCaps *configured_caps); /** * GstPhotographyInterface: * @parent: parent interface type. * @get_ev_compensation: vmethod to get ev exposure compensation value * @get_iso_speed: vmethod to get iso speed (light sensitivity) value * @get_aperture: vmethod to get aperture value * @get_exposure: vmethod to get exposure time value * @get_white_balance_mode: vmethod to get white balance mode value * @get_colour_tone_mode: vmethod to get colour tone mode value * @get_scene_mode: vmethod to get scene mode value * @get_flash_mode: vmethod to get flash mode value * @get_zoom: vmethod to get zoom factor value * @set_ev_compensation: vmethod to set ev exposure compensation value * @set_iso_speed: vmethod to set iso speed (light sensitivity) value * @set_aperture: vmethod to set aperture value * @set_exposure: vmethod to set exposure time value * @set_white_balance_mode: vmethod to set white balance mode value * @set_colour_tone_mode: vmethod to set colour tone mode value * @set_scene_mode: vmethod to set scene mode value * @set_flash_mode: vmethod to set flash mode value * @set_zoom: vmethod to set zoom factor value * @get_capabilities: vmethod to get supported capabilities of the interface * @prepare_for_capture: vmethod to tell the element to prepare for capturing * @set_autofocus: vmethod to set autofocus on/off * @set_config: vmethod to set all configuration parameters at once * @get_config: vmethod to get all configuration parameters at once * * #GstPhotographyInterface interface. */ typedef struct _GstPhotographyInterface { GTypeInterface parent; /* virtual functions */ gboolean (*get_ev_compensation) (GstPhotography * photo, gfloat * ev_comp); gboolean (*get_iso_speed) (GstPhotography * photo, guint * iso_speed); gboolean (*get_aperture) (GstPhotography * photo, guint * aperture); gboolean (*get_exposure) (GstPhotography * photo, guint32 * exposure); gboolean (*get_white_balance_mode) (GstPhotography * photo, GstWhiteBalanceMode * wb_mode); gboolean (*get_colour_tone_mode) (GstPhotography * photo, GstColourToneMode * tone_mode); gboolean (*get_scene_mode) (GstPhotography * photo, GstSceneMode * scene_mode); gboolean (*get_flash_mode) (GstPhotography * photo, GstFlashMode * flash_mode); gboolean (*get_zoom) (GstPhotography * photo, gfloat * zoom); gboolean (*set_ev_compensation) (GstPhotography * photo, gfloat ev_comp); gboolean (*set_iso_speed) (GstPhotography * photo, guint iso_speed); gboolean (*set_aperture) (GstPhotography * photo, guint aperture); gboolean (*set_exposure) (GstPhotography * photo, guint32 exposure); gboolean (*set_white_balance_mode) (GstPhotography * photo, GstWhiteBalanceMode wb_mode); gboolean (*set_colour_tone_mode) (GstPhotography * photo, GstColourToneMode tone_mode); gboolean (*set_scene_mode) (GstPhotography * photo, GstSceneMode scene_mode); gboolean (*set_flash_mode) (GstPhotography * photo, GstFlashMode flash_mode); gboolean (*set_zoom) (GstPhotography * photo, gfloat zoom); GstPhotoCaps (*get_capabilities) (GstPhotography * photo); gboolean (*prepare_for_capture) (GstPhotography * photo, GstPhotoCapturePrepared func, GstCaps *capture_caps, gpointer user_data); void (*set_autofocus) (GstPhotography * photo, gboolean on); gboolean (*set_config) (GstPhotography * photo, GstPhotoSettings * config); gboolean (*get_config) (GstPhotography * photo, GstPhotoSettings * config); /*< private > */ gpointer _gst_reserved[GST_PADDING]; } GstPhotographyInterface; GType gst_photography_get_type (void); /* virtual class function wrappers */ gboolean gst_photography_get_ev_compensation (GstPhotography * photo, gfloat * ev_comp); gboolean gst_photography_get_iso_speed (GstPhotography * photo, guint * iso_speed); gboolean gst_photography_get_aperture (GstPhotography * photo, guint * aperture); gboolean gst_photography_get_exposure (GstPhotography * photo, guint32 * exposure); gboolean gst_photography_get_white_balance_mode (GstPhotography * photo, GstWhiteBalanceMode * wb_mode); gboolean gst_photography_get_colour_tone_mode (GstPhotography * photo, GstColourToneMode * tone_mode); gboolean gst_photography_get_scene_mode (GstPhotography * photo, GstSceneMode * scene_mode); gboolean gst_photography_get_flash_mode (GstPhotography * photo, GstFlashMode * flash_mode); gboolean gst_photography_get_zoom (GstPhotography * photo, gfloat * zoom); gboolean gst_photography_set_ev_compensation (GstPhotography * photo, gfloat ev_comp); gboolean gst_photography_set_iso_speed (GstPhotography * photo, guint iso_speed); gboolean gst_photography_set_aperture (GstPhotography * photo, guint aperture); gboolean gst_photography_set_exposure (GstPhotography * photo, guint exposure); gboolean gst_photography_set_white_balance_mode (GstPhotography * photo, GstWhiteBalanceMode wb_mode); gboolean gst_photography_set_colour_tone_mode (GstPhotography * photo, GstColourToneMode tone_mode); gboolean gst_photography_set_scene_mode (GstPhotography * photo, GstSceneMode scene_mode); gboolean gst_photography_set_flash_mode (GstPhotography * photo, GstFlashMode flash_mode); gboolean gst_photography_set_zoom (GstPhotography * photo, gfloat zoom); GstPhotoCaps gst_photography_get_capabilities (GstPhotography * photo); gboolean gst_photography_prepare_for_capture (GstPhotography * photo, GstPhotoCapturePrepared func, GstCaps *capture_caps, gpointer user_data); void gst_photography_set_autofocus (GstPhotography * photo, gboolean on); gboolean gst_photography_set_config (GstPhotography * photo, GstPhotoSettings * config); gboolean gst_photography_get_config (GstPhotography * photo, GstPhotoSettings * config); G_END_DECLS #endif /* __GST_PHOTOGRAPHY_H__ */