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gstreamer/gst-libs/gst/interfaces/photography.h
Tommi Myöhänen 6206f58c3a GstPhotography: Add flicker and focus mode settings to photography API 
Adds flicker and focus mode settings to photography API and also
implement it in camerabin.
2010-04-13 12:00:35 -03:00

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/* GStreamer
*
* Copyright (C) 2008 Nokia Corporation <multimedia@maemo.org>
*
* 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 <gst/gst.h>
#include <gst/interfaces/photography-enumtypes.h>
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"
/* Interface property names */
#define GST_PHOTOGRAPHY_PROP_WB_MODE "white-balance-mode"
#define GST_PHOTOGRAPHY_PROP_COLOUR_TONE "colour-tone-mode"
#define GST_PHOTOGRAPHY_PROP_SCENE_MODE "scene-mode"
#define GST_PHOTOGRAPHY_PROP_FLASH_MODE "flash-mode"
#define GST_PHOTOGRAPHY_PROP_FOCUS_STATUS "focus-status"
#define GST_PHOTOGRAPHY_PROP_CAPABILITIES "capabilities"
#define GST_PHOTOGRAPHY_PROP_SHAKE_RISK "shake-risk"
#define GST_PHOTOGRAPHY_PROP_EV_COMP "ev-compensation"
#define GST_PHOTOGRAPHY_PROP_ISO_SPEED "iso-speed"
#define GST_PHOTOGRAPHY_PROP_APERTURE "aperture"
#define GST_PHOTOGRAPHY_PROP_EXPOSURE "exposure"
#define GST_PHOTOGRAPHY_PROP_IMAGE_CAPTURE_SUPPORTED_CAPS \
"image-capture-supported-caps"
#define GST_PHOTOGRAPHY_PROP_FLICKER_MODE "flicker-mode"
#define GST_PHOTOGRAPHY_PROP_FOCUS_MODE "focus-mode"
/**
* 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 enum
{
GST_PHOTOGRAPHY_FLICKER_REDUCTION_OFF = 0,
GST_PHOTOGRAPHY_FLICKER_REDUCTION_50HZ,
GST_PHOTOGRAPHY_FLICKER_REDUCTION_60HZ,
GST_PHOTOGRAPHY_FLICKER_REDUCTION_AUTO,
} GstFlickerReductionMode;
typedef enum {
GST_PHOTOGRAPHY_FOCUS_MODE_AUTO = 0,
GST_PHOTOGRAPHY_FOCUS_MODE_MACRO,
GST_PHOTOGRAPHY_FOCUS_MODE_PORTRAIT,
GST_PHOTOGRAPHY_FOCUS_MODE_INFINITY,
GST_PHOTOGRAPHY_FOCUS_MODE_HYPERFOCAL,
GST_PHOTOGRAPHY_FOCUS_MODE_EXTENDED,
GST_PHOTOGRAPHY_FOCUS_MODE_CONTINUOUS_NORMAL,
GST_PHOTOGRAPHY_FOCUS_MODE_CONTINUOUS_EXTENDED,
} GstFocusMode;
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;
GstFlickerReductionMode flicker_mode;
GstFocusMode focus_mode;
} 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
* @get_image_capture_supported_caps: vmethod to get caps describing supported image capture formats
*
* #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 (*get_flicker_mode) (GstPhotography * photo,
GstFlickerReductionMode * flicker_mode);
gboolean (*get_focus_mode) (GstPhotography * photo,
GstFocusMode * focus_mode);
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);
gboolean (*set_flicker_mode) (GstPhotography * photo,
GstFlickerReductionMode flicker_mode);
gboolean (*set_focus_mode) (GstPhotography * photo,
GstFocusMode focus_mode);
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_get_flicker_mode (GstPhotography * photo,
GstFlickerReductionMode *mode);
gboolean gst_photography_get_focus_mode (GstPhotography * photo,
GstFocusMode *mode);
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);
gboolean gst_photography_set_flicker_mode (GstPhotography * photo,
GstFlickerReductionMode mode);
gboolean gst_photography_set_focus_mode (GstPhotography * photo,
GstFocusMode mode);
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__ */
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