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268 lines
9.6 KiB
C
268 lines
9.6 KiB
C
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/* GStreamer
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*
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* Copyright (C) 2008 Nokia Corporation <multimedia@maemo.org>
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*
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* photography.h: photography interface for digital imaging
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*
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_PHOTOGRAPHY_H__
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#define __GST_PHOTOGRAPHY_H__
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#include <gst/gst.h>
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#include <gst/interfaces/photography-enumtypes.h>
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G_BEGIN_DECLS
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#define GST_TYPE_PHOTOGRAPHY \
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(gst_photography_get_type ())
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#define GST_PHOTOGRAPHY(obj) \
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(GST_IMPLEMENTS_INTERFACE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_PHOTOGRAPHY, GstPhotography))
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#define GST_IS_PHOTOGRAPHY(obj) \
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(GST_IMPLEMENTS_INTERFACE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_PHOTOGRAPHY))
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#define GST_PHOTOGRAPHY_GET_IFACE(inst) \
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(G_TYPE_INSTANCE_GET_INTERFACE ((inst), GST_TYPE_PHOTOGRAPHY, GstPhotographyInterface))
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/* Custom GstMessage name that will be sent to GstBus when autofocusing
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is complete */
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#define GST_PHOTOGRAPHY_AUTOFOCUS_DONE "autofocus-done"
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/* Custom GstMessage name that will be sent to GstBus when shake risk changes */
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#define GST_PHOTOGRAPHY_SHAKE_RISK "shake-risk"
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/**
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* GstPhotography:
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*
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* Opaque #GstPhotography data structure.
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*/
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typedef struct _GstPhotography GstPhotography;
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typedef enum
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{
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GST_PHOTOGRAPHY_WB_MODE_AUTO = 0,
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GST_PHOTOGRAPHY_WB_MODE_DAYLIGHT,
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GST_PHOTOGRAPHY_WB_MODE_CLOUDY,
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GST_PHOTOGRAPHY_WB_MODE_SUNSET,
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GST_PHOTOGRAPHY_WB_MODE_TUNGSTEN,
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GST_PHOTOGRAPHY_WB_MODE_FLUORESCENT
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} GstWhiteBalanceMode;
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typedef enum
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{
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GST_PHOTOGRAPHY_COLOUR_TONE_MODE_NORMAL = 0,
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GST_PHOTOGRAPHY_COLOUR_TONE_MODE_SEPIA,
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GST_PHOTOGRAPHY_COLOUR_TONE_MODE_NEGATIVE,
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GST_PHOTOGRAPHY_COLOUR_TONE_MODE_GRAYSCALE,
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GST_PHOTOGRAPHY_COLOUR_TONE_MODE_NATURAL,
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GST_PHOTOGRAPHY_COLOUR_TONE_MODE_VIVID,
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GST_PHOTOGRAPHY_COLOUR_TONE_MODE_COLORSWAP,
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GST_PHOTOGRAPHY_COLOUR_TONE_MODE_SOLARIZE,
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GST_PHOTOGRAPHY_COLOUR_TONE_MODE_OUT_OF_FOCUS
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} GstColourToneMode;
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typedef enum
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{
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GST_PHOTOGRAPHY_SCENE_MODE_MANUAL = 0,
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GST_PHOTOGRAPHY_SCENE_MODE_CLOSEUP,
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GST_PHOTOGRAPHY_SCENE_MODE_PORTRAIT,
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GST_PHOTOGRAPHY_SCENE_MODE_LANDSCAPE,
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GST_PHOTOGRAPHY_SCENE_MODE_SPORT,
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GST_PHOTOGRAPHY_SCENE_MODE_NIGHT,
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GST_PHOTOGRAPHY_SCENE_MODE_AUTO
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} GstSceneMode;
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typedef enum
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{
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GST_PHOTOGRAPHY_FLASH_MODE_AUTO = 0,
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GST_PHOTOGRAPHY_FLASH_MODE_OFF,
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GST_PHOTOGRAPHY_FLASH_MODE_ON,
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GST_PHOTOGRAPHY_FLASH_MODE_FILL_IN,
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GST_PHOTOGRAPHY_FLASH_MODE_RED_EYE
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} GstFlashMode;
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typedef enum
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{
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GST_PHOTOGRAPHY_FOCUS_STATUS_NONE = 0,
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GST_PHOTOGRAPHY_FOCUS_STATUS_RUNNING,
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GST_PHOTOGRAPHY_FOCUS_STATUS_FAIL,
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GST_PHOTOGRAPHY_FOCUS_STATUS_SUCCESS
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} GstFocusStatus;
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typedef enum
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{
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GST_PHOTOGRAPHY_CAPS_NONE = (0 << 0),
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GST_PHOTOGRAPHY_CAPS_EV_COMP = (1 << 0),
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GST_PHOTOGRAPHY_CAPS_ISO_SPEED = (1 << 1),
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GST_PHOTOGRAPHY_CAPS_WB_MODE = (1 << 2),
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GST_PHOTOGRAPHY_CAPS_TONE = (1 << 3),
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GST_PHOTOGRAPHY_CAPS_SCENE = (1 << 4),
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GST_PHOTOGRAPHY_CAPS_FLASH = (1 << 5),
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GST_PHOTOGRAPHY_CAPS_ZOOM = (1 << 6),
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GST_PHOTOGRAPHY_CAPS_FOCUS = (1 << 7),
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GST_PHOTOGRAPHY_CAPS_APERTURE = (1 << 8),
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GST_PHOTOGRAPHY_CAPS_EXPOSURE = (1 << 9),
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GST_PHOTOGRAPHY_CAPS_SHAKE = (1 << 10)
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} GstPhotoCaps;
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typedef enum
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{
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GST_PHOTOGRAPHY_SHAKE_RISK_LOW = 0,
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GST_PHOTOGRAPHY_SHAKE_RISK_MEDIUM,
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GST_PHOTOGRAPHY_SHAKE_RISK_HIGH,
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} GstPhotoShakeRisk;
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typedef struct
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{
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GstWhiteBalanceMode wb_mode;
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GstColourToneMode tone_mode;
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GstSceneMode scene_mode;
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GstFlashMode flash_mode;
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guint32 exposure;
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guint aperture;
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gfloat ev_compensation;
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guint iso_speed;
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gfloat zoom;
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} GstPhotoSettings;
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/**
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* GstPhotoCapturePrepared:
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* @data: user data that has been given, when registering the callback
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*
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* This callback will be called when the element has finished preparations
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* for photo capture.
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*/
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typedef void (*GstPhotoCapturePrepared) (gpointer data);
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/**
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* GstPhotographyInterface:
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* @parent: parent interface type.
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* @get_ev_compensation: vmethod to get ev exposure compensation value
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* @get_iso_speed: vmethod to get iso speed (light sensitivity) value
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* @get_aperture: vmethod to get aperture value
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* @get_exposure: vmethod to get exposure time value
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* @get_white_balance_mode: vmethod to get white balance mode value
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* @get_colour_tone_mode: vmethod to get colour tone mode value
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* @get_scene_mode: vmethod to get scene mode value
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* @get_flash_mode: vmethod to get flash mode value
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* @get_zoom: vmethod to get zoom factor value
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* @set_ev_compensation: vmethod to set ev exposure compensation value
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* @set_iso_speed: vmethod to set iso speed (light sensitivity) value
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* @set_aperture: vmethod to set aperture value
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* @set_exposure: vmethod to set exposure time value
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* @set_white_balance_mode: vmethod to set white balance mode value
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* @set_colour_tone_mode: vmethod to set colour tone mode value
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* @set_scene_mode: vmethod to set scene mode value
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* @set_flash_mode: vmethod to set flash mode value
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* @set_zoom: vmethod to set zoom factor value
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* @get_capabilities: vmethod to get supported capabilities of the interface
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* @prepare_for_capture: vmethod to tell the element to prepare for capturing
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* @set_autofocus: vmethod to set autofocus on/off
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*
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* #GstPhotographyInterface interface.
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*/
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typedef struct _GstPhotographyInterface
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{
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GTypeInterface parent;
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/* virtual functions */
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gboolean (*get_ev_compensation) (GstPhotography * photo, gfloat * ev_comp);
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gboolean (*get_iso_speed) (GstPhotography * photo, guint * iso_speed);
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gboolean (*get_aperture) (GstPhotography * photo, guint * aperture);
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gboolean (*get_exposure) (GstPhotography * photo, guint32 * exposure);
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gboolean (*get_white_balance_mode) (GstPhotography * photo,
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GstWhiteBalanceMode * wb_mode);
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gboolean (*get_colour_tone_mode) (GstPhotography * photo,
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GstColourToneMode * tone_mode);
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gboolean (*get_scene_mode) (GstPhotography * photo,
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GstSceneMode * scene_mode);
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gboolean (*get_flash_mode) (GstPhotography * photo,
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GstFlashMode * flash_mode);
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gboolean (*get_zoom) (GstPhotography * photo, gfloat * zoom);
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gboolean (*set_ev_compensation) (GstPhotography * photo, gfloat ev_comp);
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gboolean (*set_iso_speed) (GstPhotography * photo, guint iso_speed);
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gboolean (*set_aperture) (GstPhotography * photo, guint aperture);
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gboolean (*set_exposure) (GstPhotography * photo, guint32 exposure);
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gboolean (*set_white_balance_mode) (GstPhotography * photo,
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GstWhiteBalanceMode wb_mode);
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gboolean (*set_colour_tone_mode) (GstPhotography * photo,
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GstColourToneMode tone_mode);
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gboolean (*set_scene_mode) (GstPhotography * photo,
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GstSceneMode scene_mode);
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gboolean (*set_flash_mode) (GstPhotography * photo,
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GstFlashMode flash_mode);
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gboolean (*set_zoom) (GstPhotography * photo, gfloat zoom);
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GstPhotoCaps (*get_capabilities) (GstPhotography * photo);
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void (*prepare_for_capture) (GstPhotography * photo,
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GstPhotoCapturePrepared func, gpointer user_data);
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void (*set_autofocus) (GstPhotography * photo, gboolean on);
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/*< private > */
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gpointer _gst_reserved[GST_PADDING];
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} GstPhotographyInterface;
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GType gst_photography_get_type (void);
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/* virtual class function wrappers */
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gboolean gst_photography_get_ev_compensation (GstPhotography * photo,
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gfloat * ev_comp);
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gboolean gst_photography_get_iso_speed (GstPhotography * photo,
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guint * iso_speed);
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gboolean gst_photography_get_aperture (GstPhotography * photo,
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guint * aperture);
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gboolean gst_photography_get_exposure (GstPhotography * photo,
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guint32 * exposure);
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gboolean gst_photography_get_white_balance_mode (GstPhotography * photo,
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GstWhiteBalanceMode * wb_mode);
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gboolean gst_photography_get_colour_tone_mode (GstPhotography * photo,
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GstColourToneMode * tone_mode);
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gboolean gst_photography_get_scene_mode (GstPhotography * photo,
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GstSceneMode * scene_mode);
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gboolean gst_photography_get_flash_mode (GstPhotography * photo,
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GstFlashMode * flash_mode);
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gboolean gst_photography_get_zoom (GstPhotography * photo, gfloat * zoom);
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gboolean gst_photography_set_ev_compensation (GstPhotography * photo,
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gfloat ev_comp);
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gboolean gst_photography_set_iso_speed (GstPhotography * photo,
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guint iso_speed);
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gboolean gst_photography_set_aperture (GstPhotography * photo, guint aperture);
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gboolean gst_photography_set_exposure (GstPhotography * photo, guint exposure);
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gboolean gst_photography_set_white_balance_mode (GstPhotography * photo,
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GstWhiteBalanceMode wb_mode);
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gboolean gst_photography_set_colour_tone_mode (GstPhotography * photo,
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GstColourToneMode tone_mode);
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gboolean gst_photography_set_scene_mode (GstPhotography * photo,
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GstSceneMode scene_mode);
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gboolean gst_photography_set_flash_mode (GstPhotography * photo,
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GstFlashMode flash_mode);
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gboolean gst_photography_set_zoom (GstPhotography * photo, gfloat zoom);
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GstPhotoCaps gst_photography_get_capabilities (GstPhotography * photo);
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void gst_photography_prepare_for_capture (GstPhotography * photo,
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GstPhotoCapturePrepared func, gpointer user_data);
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void gst_photography_set_autofocus (GstPhotography * photo, gboolean on);
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G_END_DECLS
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#endif /* __GST_PHOTOGRAPHY_H__ */
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