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gstreamer/gst-libs/gst/interfaces/photography.h
Andrew Branson 8de7b41015 photography: Add additional settings relevant to Android 
Exposure mode property, extra colour tone values (aqua, emboss, sketch, neon), extra scene modes (backlight, flowers, AR, HDR).
Missing vmethods for exposure mode, analog gain, lens focus, colour temperature, min & max exposure time

Contribs by Mohammed Sameer <msameer@foolab.org>, Adam Pigg <adam@piggz.co.uk>
2019-11-18 23:10:04 +00:00

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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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, 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-prelude.h>
#include <gst/interfaces/photography-enumtypes.h>
G_BEGIN_DECLS
#define GST_TYPE_PHOTOGRAPHY \
(gst_photography_get_type ())
#define GST_PHOTOGRAPHY(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_PHOTOGRAPHY, GstPhotography))
#define GST_IS_PHOTOGRAPHY(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_PHOTOGRAPHY))
#define GST_PHOTOGRAPHY_GET_INTERFACE(inst) \
(G_TYPE_INSTANCE_GET_INTERFACE ((inst), GST_TYPE_PHOTOGRAPHY, GstPhotographyInterface))
/**
* GST_PHOTOGRAPHY_AUTOFOCUS_DONE:
*
* Name of custom GstMessage that will be posted to #GstBus when autofocusing
* is complete.
* This message contains following fields:
*
* * `status` (#GstPhotographyFocusStatus): Tells if focusing succeeded or failed.
*
* * `focus-window-rows` (#G_TYPE_INT): Tells number of focus matrix rows.
*
* * `focus-window-columns` (#G_TYPE_INT): Tells number of focus matrix columns.
*
* * `focus-window-mask` (#G_TYPE_INT): Bitmask containing rows x columns bits
* which mark the focus points in the focus matrix. Lowest bit (LSB) always
* represents the top-left corner of the focus matrix. This field is only valid
* when focusing status is SUCCESS.
*/
#define GST_PHOTOGRAPHY_AUTOFOCUS_DONE "autofocus-done"
/**
* GST_PHOTOGRAPHY_SHAKE_RISK:
*
* Name of custom GstMessage that is posted to #GstBus during autofocusing
* process. It is posted if there is change in the risk of captured image
* becoming "shaken" due to camera movement and too long exposure time.
*
* This message contains following fields:
*
* * `status` (#GstPhotographyShakeRisk): Tells risk level of capturing shaken image.
*/
#define GST_PHOTOGRAPHY_SHAKE_RISK "shake-risk"
/* Maximum white point values used in #GstPhotographySettings */
#define MAX_WHITE_POINT_VALUES 4
/* Interface property names */
#define GST_PHOTOGRAPHY_PROP_WB_MODE "white-balance-mode"
#define GST_PHOTOGRAPHY_PROP_COLOR_TONE "color-tone-mode"
#define GST_PHOTOGRAPHY_PROP_SCENE_MODE "scene-mode"
#define GST_PHOTOGRAPHY_PROP_FLASH_MODE "flash-mode"
#define GST_PHOTOGRAPHY_PROP_NOISE_REDUCTION "noise-reduction"
#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_TIME "exposure-time"
#define GST_PHOTOGRAPHY_PROP_IMAGE_CAPTURE_SUPPORTED_CAPS \
"image-capture-supported-caps"
#define GST_PHOTOGRAPHY_PROP_IMAGE_PREVIEW_SUPPORTED_CAPS \
"image-preview-supported-caps"
#define GST_PHOTOGRAPHY_PROP_FLICKER_MODE "flicker-mode"
#define GST_PHOTOGRAPHY_PROP_FOCUS_MODE "focus-mode"
#define GST_PHOTOGRAPHY_PROP_ZOOM "zoom"
#define GST_PHOTOGRAPHY_PROP_COLOR_TEMPERATURE "color-temperature"
#define GST_PHOTOGRAPHY_PROP_WHITE_POINT "white-point"
#define GST_PHOTOGRAPHY_PROP_ANALOG_GAIN "analog-gain"
#define GST_PHOTOGRAPHY_PROP_EXPOSURE_MODE "exposure-mode"
#define GST_PHOTOGRAPHY_PROP_LENS_FOCUS "lens-focus"
#define GST_PHOTOGRAPHY_PROP_MIN_EXPOSURE_TIME "min-exposure-time"
#define GST_PHOTOGRAPHY_PROP_MAX_EXPOSURE_TIME "max-exposure-time"
/**
* GstPhotography:
*
* Opaque #GstPhotography data structure.
*/
typedef struct _GstPhotography GstPhotography;
/**
* GstPhotographyNoiseReduction:
* @GST_PHOTOGRAPHY_NOISE_REDUCTION_BAYER: Adaptive noise reduction on Bayer
* format
* @GST_PHOTOGRAPHY_NOISE_REDUCTION_YCC: reduces the noise on Y and 2-chroma
* images.
* @GST_PHOTOGRAPHY_NOISE_REDUCTION_TEMPORAL: Multi-frame adaptive NR,
* provided for the video mode
* @GST_PHOTOGRAPHY_NOISE_REDUCTION_FIXED: Fixed Pattern Noise refers to noise
* that does not change between frames. The noise is removed from the sensor
* image, by subtracting a previously-captured black image in memory.
* @GST_PHOTOGRAPHY_NOISE_REDUCTION_EXTRA: Extra Noise Reduction. In the case
* of high-ISO capturing, some noise remains after YCC NR. XNR reduces this
* remaining noise.
*
* Noise Reduction features of a photography capture or filter element.
*/
typedef enum
{
GST_PHOTOGRAPHY_NOISE_REDUCTION_BAYER = (1 << 0),
GST_PHOTOGRAPHY_NOISE_REDUCTION_YCC = (1 << 1),
GST_PHOTOGRAPHY_NOISE_REDUCTION_TEMPORAL = (1 << 2),
GST_PHOTOGRAPHY_NOISE_REDUCTION_FIXED = (1 << 3),
GST_PHOTOGRAPHY_NOISE_REDUCTION_EXTRA = (1 << 4)
} GstPhotographyNoiseReduction;
/**
* GstPhotographyWhiteBalanceMode:
* @GST_PHOTOGRAPHY_WB_MODE_AUTO: Choose white balance mode automatically
* @GST_PHOTOGRAPHY_WB_MODE_DAYLIGHT: Mode for daylight conditions
* @GST_PHOTOGRAPHY_WB_MODE_CLOUDY: Mode for cloudy conditions
* @GST_PHOTOGRAPHY_WB_MODE_SUNSET: Mode for sunset conditions
* @GST_PHOTOGRAPHY_WB_MODE_TUNGSTEN: Mode for tungsten lighting
* @GST_PHOTOGRAPHY_WB_MODE_FLUORESCENT: Mode for fluorescent lighting
* @GST_PHOTOGRAPHY_WB_MODE_MANUAL: Disable automatic white balance adjustment
* and keep current values.
* @GST_PHOTOGRAPHY_WB_MODE_WARM_FLUORESCENT: Mode for warm fluorescent lighting (Since: 1.2)
* @GST_PHOTOGRAPHY_WB_MODE_SHADE: Mode for shade lighting (Since: 1.2)
*
* Modes for white balance control.
*/
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,
GST_PHOTOGRAPHY_WB_MODE_MANUAL,
GST_PHOTOGRAPHY_WB_MODE_WARM_FLUORESCENT,
GST_PHOTOGRAPHY_WB_MODE_SHADE
} GstPhotographyWhiteBalanceMode;
/**
* GstPhotographyColorToneMode:
* @GST_PHOTOGRAPHY_COLOR_TONE_MODE_NORMAL: No effects
* @GST_PHOTOGRAPHY_COLOR_TONE_MODE_SEPIA: Sepia
* @GST_PHOTOGRAPHY_COLOR_TONE_MODE_NEGATIVE: Negative
* @GST_PHOTOGRAPHY_COLOR_TONE_MODE_GRAYSCALE: Grayscale
* @GST_PHOTOGRAPHY_COLOR_TONE_MODE_NATURAL: Natural
* @GST_PHOTOGRAPHY_COLOR_TONE_MODE_VIVID: Vivid
* @GST_PHOTOGRAPHY_COLOR_TONE_MODE_COLORSWAP: Colorswap
* @GST_PHOTOGRAPHY_COLOR_TONE_MODE_SOLARIZE: Solarize
* @GST_PHOTOGRAPHY_COLOR_TONE_MODE_OUT_OF_FOCUS: Out of focus
* @GST_PHOTOGRAPHY_COLOR_TONE_MODE_SKY_BLUE: Sky blue
* @GST_PHOTOGRAPHY_COLOR_TONE_MODE_GRASS_GREEN: Grass green
* @GST_PHOTOGRAPHY_COLOR_TONE_MODE_SKIN_WHITEN: Skin whiten
* @GST_PHOTOGRAPHY_COLOR_TONE_MODE_POSTERIZE: Posterize (Since: 1.2)
* @GST_PHOTOGRAPHY_COLOR_TONE_MODE_WHITEBOARD: Whiteboard (Since: 1.2)
* @GST_PHOTOGRAPHY_COLOR_TONE_MODE_BLACKBOARD: Blackboard (Since: 1.2)
* @GST_PHOTOGRAPHY_COLOR_TONE_MODE_AQUA: Aqua (Since: 1.2)
* @GST_PHOTOGRAPHY_COLOR_TONE_MODE_EMBOSS: Emboss (Since: 1.18)
* @GST_PHOTOGRAPHY_COLOR_TONE_MODE_SKETCH: Sketch (Since: 1.18)
* @GST_PHOTOGRAPHY_COLOR_TONE_MODE_NEON: Neon (Since: 1.18)
*
*
* Modes for special color effects.
*/
typedef enum
{
GST_PHOTOGRAPHY_COLOR_TONE_MODE_NORMAL = 0,
GST_PHOTOGRAPHY_COLOR_TONE_MODE_SEPIA,
GST_PHOTOGRAPHY_COLOR_TONE_MODE_NEGATIVE,
GST_PHOTOGRAPHY_COLOR_TONE_MODE_GRAYSCALE,
GST_PHOTOGRAPHY_COLOR_TONE_MODE_NATURAL,
GST_PHOTOGRAPHY_COLOR_TONE_MODE_VIVID,
GST_PHOTOGRAPHY_COLOR_TONE_MODE_COLORSWAP,
GST_PHOTOGRAPHY_COLOR_TONE_MODE_SOLARIZE,
GST_PHOTOGRAPHY_COLOR_TONE_MODE_OUT_OF_FOCUS,
GST_PHOTOGRAPHY_COLOR_TONE_MODE_SKY_BLUE,
GST_PHOTOGRAPHY_COLOR_TONE_MODE_GRASS_GREEN,
GST_PHOTOGRAPHY_COLOR_TONE_MODE_SKIN_WHITEN,
GST_PHOTOGRAPHY_COLOR_TONE_MODE_POSTERIZE,
GST_PHOTOGRAPHY_COLOR_TONE_MODE_WHITEBOARD,
GST_PHOTOGRAPHY_COLOR_TONE_MODE_BLACKBOARD,
GST_PHOTOGRAPHY_COLOR_TONE_MODE_AQUA,
GST_PHOTOGRAPHY_COLOR_TONE_MODE_EMBOSS,
GST_PHOTOGRAPHY_COLOR_TONE_MODE_SKETCH,
GST_PHOTOGRAPHY_COLOR_TONE_MODE_NEON
} GstPhotographyColorToneMode;
/**
* GstPhotographySceneMode:
* @GST_PHOTOGRAPHY_SCENE_MODE_MANUAL: Set individual options manually
* @GST_PHOTOGRAPHY_SCENE_MODE_CLOSEUP: Mode for close objects
* @GST_PHOTOGRAPHY_SCENE_MODE_PORTRAIT: Mode for portraits
* @GST_PHOTOGRAPHY_SCENE_MODE_LANDSCAPE: Mode for landscapes
* @GST_PHOTOGRAPHY_SCENE_MODE_SPORT: Mode for scene with fast motion
* @GST_PHOTOGRAPHY_SCENE_MODE_NIGHT: Mode for night conditions
* @GST_PHOTOGRAPHY_SCENE_MODE_AUTO: Choose scene mode automatically
* @GST_PHOTOGRAPHY_SCENE_MODE_ACTION: Take photos of fast moving
* objects (Since: 1.2)
* @GST_PHOTOGRAPHY_SCENE_MODE_NIGHT_PORTRAIT: Take people pictures
* at night (Since: 1.2)
* @GST_PHOTOGRAPHY_SCENE_MODE_THEATRE: Take photos in a theater (Since: 1.2)
* @GST_PHOTOGRAPHY_SCENE_MODE_BEACH: Take pictures on the beach (Since: 1.2)
* @GST_PHOTOGRAPHY_SCENE_MODE_SNOW: Take pictures on the snow (Since: 1.2)
* @GST_PHOTOGRAPHY_SCENE_MODE_SUNSET: Take sunset photos (Since: 1.2)
* @GST_PHOTOGRAPHY_SCENE_MODE_STEADY_PHOTO: Avoid blurry pictures
* (for example, due to hand shake) (Since: 1.2)
* @GST_PHOTOGRAPHY_SCENE_MODE_FIREWORKS: For shooting firework
* displays (Since: 1.2)
* @GST_PHOTOGRAPHY_SCENE_MODE_PARTY: Take indoor low-light shot (Since: 1.2)
* @GST_PHOTOGRAPHY_SCENE_MODE_CANDLELIGHT: Capture the naturally warm color
* of scenes lit by candles (Since: 1.2)
* @GST_PHOTOGRAPHY_SCENE_MODE_BARCODE: Applications are looking for
* a barcode (Since: 1.2)
* @GST_PHOTOGRAPHY_SCENE_MODE_BACKLIGHT: Backlit photos (Since: 1.18)
* @GST_PHOTOGRAPHY_SCENE_MODE_FLOWERS: For shooting flowers (Since: 1.18)
* @GST_PHOTOGRAPHY_SCENE_MODE_AR: Specific for Augmented Reality (Since: 1.18)
* @GST_PHOTOGRAPHY_SCENE_MODE_HDR: High Dynamic Range photography (Since: 1.18)
*
* Each mode contains preset #GstPhotography options in order to produce
* good capturing result in certain scene.
*/
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,
GST_PHOTOGRAPHY_SCENE_MODE_ACTION,
GST_PHOTOGRAPHY_SCENE_MODE_NIGHT_PORTRAIT,
GST_PHOTOGRAPHY_SCENE_MODE_THEATRE,
GST_PHOTOGRAPHY_SCENE_MODE_BEACH,
GST_PHOTOGRAPHY_SCENE_MODE_SNOW,
GST_PHOTOGRAPHY_SCENE_MODE_SUNSET,
GST_PHOTOGRAPHY_SCENE_MODE_STEADY_PHOTO,
GST_PHOTOGRAPHY_SCENE_MODE_FIREWORKS,
GST_PHOTOGRAPHY_SCENE_MODE_PARTY,
GST_PHOTOGRAPHY_SCENE_MODE_CANDLELIGHT,
GST_PHOTOGRAPHY_SCENE_MODE_BARCODE,
GST_PHOTOGRAPHY_SCENE_MODE_BACKLIGHT,
GST_PHOTOGRAPHY_SCENE_MODE_FLOWERS,
GST_PHOTOGRAPHY_SCENE_MODE_AR,
GST_PHOTOGRAPHY_SCENE_MODE_HDR
} GstPhotographySceneMode;
/**
* GstPhotographyFlashMode:
* @GST_PHOTOGRAPHY_FLASH_MODE_AUTO: Fire flash automatically according to
* lighting conditions.
* @GST_PHOTOGRAPHY_FLASH_MODE_OFF: Never fire flash
* @GST_PHOTOGRAPHY_FLASH_MODE_ON: Always fire flash
* @GST_PHOTOGRAPHY_FLASH_MODE_FILL_IN: Fill in flash
* @GST_PHOTOGRAPHY_FLASH_MODE_RED_EYE: Flash mode for reducing chance of
* capturing red eyes
*
* Modes for flash control.
*/
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
} GstPhotographyFlashMode;
/**
* GstPhotographyFocusStatus:
* @GST_PHOTOGRAPHY_FOCUS_STATUS_NONE: No status available
* @GST_PHOTOGRAPHY_FOCUS_STATUS_RUNNING: Focusing is ongoing
* @GST_PHOTOGRAPHY_FOCUS_STATUS_FAIL: Focusing failed
* @GST_PHOTOGRAPHY_FOCUS_STATUS_SUCCESS: Focusing succeeded
*
* Status of the focusing operation, used in #GST_PHOTOGRAPHY_AUTOFOCUS_DONE
* message.
*/
typedef enum
{
GST_PHOTOGRAPHY_FOCUS_STATUS_NONE = 0,
GST_PHOTOGRAPHY_FOCUS_STATUS_RUNNING,
GST_PHOTOGRAPHY_FOCUS_STATUS_FAIL,
GST_PHOTOGRAPHY_FOCUS_STATUS_SUCCESS
} GstPhotographyFocusStatus;
/**
* GstPhotographyCaps:
*
* Bitmask that indicates which #GstPhotography interface features an instance
* supports.
*/
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),
GST_PHOTOGRAPHY_CAPS_WHITE_BALANCE = (1 << 11),
GST_PHOTOGRAPHY_CAPS_NOISE_REDUCTION = (1 << 12),
GST_PHOTOGRAPHY_CAPS_FLICKER_REDUCTION = (1 << 13),
GST_PHOTOGRAPHY_CAPS_ALL = (~0)
} GstPhotographyCaps;
/**
* GstPhotographyShakeRisk:
* @GST_PHOTOGRAPHY_SHAKE_RISK_LOW: Low risk
* @GST_PHOTOGRAPHY_SHAKE_RISK_MEDIUM: Medium risk
* @GST_PHOTOGRAPHY_SHAKE_RISK_HIGH: High risk
*
* Risk level of captured image becoming "shaken" due to camera movement and
* too long exposure time. Used in #GST_PHOTOGRAPHY_SHAKE_RISK #GstMessage.
*/
typedef enum
{
GST_PHOTOGRAPHY_SHAKE_RISK_LOW = 0,
GST_PHOTOGRAPHY_SHAKE_RISK_MEDIUM,
GST_PHOTOGRAPHY_SHAKE_RISK_HIGH,
} GstPhotographyShakeRisk;
/**
* GstPhotographyFlickerReductionMode:
* @GST_PHOTOGRAPHY_FLICKER_REDUCTION_OFF: Disable flicker reduction
* @GST_PHOTOGRAPHY_FLICKER_REDUCTION_50HZ: 50Hz flicker reduction
* @GST_PHOTOGRAPHY_FLICKER_REDUCTION_60HZ: 60Hz flicker reduction
* @GST_PHOTOGRAPHY_FLICKER_REDUCTION_AUTO: Choose mode automatically
*
* Reduce flicker in video caused by light source fluctuation.
*/
typedef enum
{
GST_PHOTOGRAPHY_FLICKER_REDUCTION_OFF = 0,
GST_PHOTOGRAPHY_FLICKER_REDUCTION_50HZ,
GST_PHOTOGRAPHY_FLICKER_REDUCTION_60HZ,
GST_PHOTOGRAPHY_FLICKER_REDUCTION_AUTO,
} GstPhotographyFlickerReductionMode;
/**
* GstPhotographyFocusMode:
* @GST_PHOTOGRAPHY_FOCUS_MODE_AUTO: Choose focus mode automatically
* @GST_PHOTOGRAPHY_FOCUS_MODE_MACRO: Mode for focusing objects close to lens
* @GST_PHOTOGRAPHY_FOCUS_MODE_PORTRAIT: Mode for portraits
* @GST_PHOTOGRAPHY_FOCUS_MODE_INFINITY: Mode for landscapes and far away objects
* @GST_PHOTOGRAPHY_FOCUS_MODE_HYPERFOCAL: Mode for maximum depth of field, keeping
* focus acceptable both in infinify and as close objects as possible
* @GST_PHOTOGRAPHY_FOCUS_MODE_EXTENDED: Extended focus mode
* @GST_PHOTOGRAPHY_FOCUS_MODE_CONTINUOUS_NORMAL: Continuous autofocus mode
* @GST_PHOTOGRAPHY_FOCUS_MODE_CONTINUOUS_EXTENDED: Extended continuous
* autofocus mode
* @GST_PHOTOGRAPHY_FOCUS_MODE_MANUAL: Disable automatic focusing
* and keep current value. #GstPhotography:lens-focus property can
* be used to change focus manually.
*
* Choose mode for focusing algorithm.
*/
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,
GST_PHOTOGRAPHY_FOCUS_MODE_MANUAL
} GstPhotographyFocusMode;
/**
* GstPhotographyExposureMode:
* @GST_PHOTOGRAPHY_EXPOSURE_MODE_AUTO: Adjust exposure automatically
* @GST_PHOTOGRAPHY_EXPOSURE_MODE_MANUAL: Disable automatic exposure adjustment
* and keep current values.
*
*/
typedef enum {
GST_PHOTOGRAPHY_EXPOSURE_MODE_AUTO = 0,
GST_PHOTOGRAPHY_EXPOSURE_MODE_MANUAL
} GstPhotographyExposureMode;
/**
* GstPhotographySettings:
*
* Structure containing all #GstPhotography settings, used to set all
* settings in one call with @gst_photography_set_config().
*/
typedef struct
{
GstPhotographyWhiteBalanceMode wb_mode;
GstPhotographyColorToneMode tone_mode;
GstPhotographySceneMode scene_mode;
GstPhotographyFlashMode flash_mode;
guint32 exposure_time;
guint aperture;
gfloat ev_compensation;
guint iso_speed;
gfloat zoom;
GstPhotographyFlickerReductionMode flicker_mode;
GstPhotographyFocusMode focus_mode;
GstPhotographyNoiseReduction noise_reduction;
GstPhotographyExposureMode exposure_mode;
guint color_temperature;
guint white_point[MAX_WHITE_POINT_VALUES];
gfloat analog_gain;
gfloat lens_focus;
guint min_exposure_time;
guint max_exposure_time;
/* FIXME: add padding? */
} GstPhotographySettings;
/**
* GstPhotographyCapturePrepared:
* @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
* and is ready for image capture. The next buffer that element produces
* will be of @configured_caps format, so this callback allows the application
* to e.g. reconfigure capsfilters in pipeline if any.
*/
typedef void (*GstPhotographyCapturePrepared) (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_color_tone_mode: vmethod to get color tone mode value
* @get_scene_mode: vmethod to get scene mode value
* @get_flash_mode: vmethod to get flash mode value
* @get_noise_reduction: vmethod to get noise reduction 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_color_tone_mode: vmethod to set color tone mode value
* @set_scene_mode: vmethod to set scene mode value
* @set_flash_mode: vmethod to set flash mode value
* @set_noise_reduction: vmethod to set noise reduction 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
* @set_exposure_mode: vmethod to set exposure mode (Since: 1.18)
* @get_exposure_mode: vmethod to get exposure mode (Since: 1.18)
* @set_analog_gain: vmethod to set analog gain (Since: 1.18)
* @get_analog_gain: vmethod to get analog gain (Since: 1.18)
* @set_lens_focus: vmethod to set lens focus (Since: 1.18)
* @get_lens_focus: vmethod to get lens focus (Since: 1.18)
* @set_color_temperature: vmethod to set color temperature (Since: 1.18)
* @get_color_temperature: vmethod to get color temperature (Since: 1.18)
* @set_min_exposure_time: vmethod to set min exposure time (Since: 1.18)
* @get_min_exposure_time: vmethod to get min exposure time (Since: 1.18)
* @set_max_exposure_time: vmethod to set max exposure time (Since: 1.18)
* @get_max_exposure_time: vmethod to get max exposure time (Since: 1.18)
*
* #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, GstPhotographyWhiteBalanceMode * wb_mode);
gboolean (*get_color_tone_mode) (GstPhotography * photo, GstPhotographyColorToneMode * tone_mode);
gboolean (*get_scene_mode) (GstPhotography * photo, GstPhotographySceneMode * scene_mode);
gboolean (*get_flash_mode) (GstPhotography * photo, GstPhotographyFlashMode * flash_mode);
gboolean (*get_zoom) (GstPhotography * photo, gfloat * zoom);
gboolean (*get_flicker_mode) (GstPhotography * photo, GstPhotographyFlickerReductionMode * flicker_mode);
gboolean (*get_focus_mode) (GstPhotography * photo, GstPhotographyFocusMode * 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, GstPhotographyWhiteBalanceMode wb_mode);
gboolean (*set_color_tone_mode) (GstPhotography * photo, GstPhotographyColorToneMode tone_mode);
gboolean (*set_scene_mode) (GstPhotography * photo, GstPhotographySceneMode scene_mode);
gboolean (*set_flash_mode) (GstPhotography * photo, GstPhotographyFlashMode flash_mode);
gboolean (*set_zoom) (GstPhotography * photo, gfloat zoom);
gboolean (*set_flicker_mode) (GstPhotography * photo, GstPhotographyFlickerReductionMode flicker_mode);
gboolean (*set_focus_mode) (GstPhotography * photo, GstPhotographyFocusMode focus_mode);
GstPhotographyCaps (*get_capabilities) (GstPhotography * photo);
gboolean (*prepare_for_capture) (GstPhotography * photo, GstPhotographyCapturePrepared func, GstCaps *capture_caps, gpointer user_data);
void (*set_autofocus) (GstPhotography * photo, gboolean on);
gboolean (*set_config) (GstPhotography * photo, GstPhotographySettings * config);
gboolean (*get_config) (GstPhotography * photo, GstPhotographySettings * config);
gboolean (*get_noise_reduction) (GstPhotography * photo, GstPhotographyNoiseReduction * noise_reduction);
gboolean (*set_noise_reduction) (GstPhotography * photo, GstPhotographyNoiseReduction noise_reduction);
gboolean (*set_exposure_mode) (GstPhotography * photo, GstPhotographyExposureMode exposure_mode);
gboolean (*get_exposure_mode) (GstPhotography * photo, GstPhotographyExposureMode * exposure_mode);
gboolean (*set_analog_gain) (GstPhotography * photo, gfloat analog_gain);
gboolean (*get_analog_gain) (GstPhotography * photo, gfloat * analog_gain);
gboolean (*set_lens_focus) (GstPhotography * photo, gfloat lens_focus);
gboolean (*get_lens_focus) (GstPhotography * photo, gfloat * lens_focus);
gboolean (*set_color_temperature) (GstPhotography * photo, guint color_temperature);
gboolean (*get_color_temperature) (GstPhotography * photo, guint * color_temperature);
gboolean (*set_min_exposure_time) (GstPhotography * photo, guint min_exposure_time);
gboolean (*get_min_exposure_time) (GstPhotography * photo, guint * min_exposure_time);
gboolean (*set_max_exposure_time) (GstPhotography * photo, guint max_exposure_time);
gboolean (*get_max_exposure_time) (GstPhotography * photo, guint * max_exposure_time);
/* FIXME: remove padding, not needed for interfaces */
/*< private > */
gpointer _gst_reserved[GST_PADDING];
} GstPhotographyInterface;
GST_PHOTOGRAPHY_API
GType gst_photography_get_type (void);
/* virtual class function wrappers */
GST_PHOTOGRAPHY_API
gboolean gst_photography_get_ev_compensation (GstPhotography * photo,
gfloat * ev_comp);
GST_PHOTOGRAPHY_API
gboolean gst_photography_get_iso_speed (GstPhotography * photo,
guint * iso_speed);
GST_PHOTOGRAPHY_API
gboolean gst_photography_get_aperture (GstPhotography * photo,
guint * aperture);
GST_PHOTOGRAPHY_API
gboolean gst_photography_get_exposure (GstPhotography * photo,
guint32 * exposure);
GST_PHOTOGRAPHY_API
gboolean gst_photography_get_white_balance_mode (GstPhotography * photo,
GstPhotographyWhiteBalanceMode * wb_mode);
GST_PHOTOGRAPHY_API
gboolean gst_photography_get_color_tone_mode (GstPhotography * photo,
GstPhotographyColorToneMode * tone_mode);
GST_PHOTOGRAPHY_API
gboolean gst_photography_get_scene_mode (GstPhotography * photo,
GstPhotographySceneMode * scene_mode);
GST_PHOTOGRAPHY_API
gboolean gst_photography_get_flash_mode (GstPhotography * photo,
GstPhotographyFlashMode * flash_mode);
GST_PHOTOGRAPHY_API
gboolean gst_photography_get_noise_reduction (GstPhotography * photo,
GstPhotographyNoiseReduction * noise_reduction);
GST_PHOTOGRAPHY_API
gboolean gst_photography_get_zoom (GstPhotography * photo, gfloat * zoom);
GST_PHOTOGRAPHY_API
gboolean gst_photography_get_flicker_mode (GstPhotography * photo,
GstPhotographyFlickerReductionMode * mode);
GST_PHOTOGRAPHY_API
gboolean gst_photography_get_focus_mode (GstPhotography * photo,
GstPhotographyFocusMode * mode);
GST_PHOTOGRAPHY_API
gboolean gst_photography_set_ev_compensation (GstPhotography * photo,
gfloat ev_comp);
GST_PHOTOGRAPHY_API
gboolean gst_photography_set_iso_speed (GstPhotography * photo,
guint iso_speed);
GST_PHOTOGRAPHY_API
gboolean gst_photography_set_aperture (GstPhotography * photo, guint aperture);
GST_PHOTOGRAPHY_API
gboolean gst_photography_set_exposure (GstPhotography * photo, guint exposure);
GST_PHOTOGRAPHY_API
gboolean gst_photography_set_white_balance_mode (GstPhotography * photo,
GstPhotographyWhiteBalanceMode wb_mode);
GST_PHOTOGRAPHY_API
gboolean gst_photography_set_color_tone_mode (GstPhotography * photo,
GstPhotographyColorToneMode tone_mode);
GST_PHOTOGRAPHY_API
gboolean gst_photography_set_scene_mode (GstPhotography * photo,
GstPhotographySceneMode scene_mode);
GST_PHOTOGRAPHY_API
gboolean gst_photography_set_flash_mode (GstPhotography * photo,
GstPhotographyFlashMode flash_mode);
GST_PHOTOGRAPHY_API
gboolean gst_photography_set_noise_reduction (GstPhotography * photo,
GstPhotographyNoiseReduction noise_reduction);
GST_PHOTOGRAPHY_API
gboolean gst_photography_set_zoom (GstPhotography * photo, gfloat zoom);
GST_PHOTOGRAPHY_API
gboolean gst_photography_set_flicker_mode (GstPhotography * photo,
GstPhotographyFlickerReductionMode mode);
GST_PHOTOGRAPHY_API
gboolean gst_photography_set_focus_mode (GstPhotography * photo,
GstPhotographyFocusMode mode);
GST_PHOTOGRAPHY_API
GstPhotographyCaps gst_photography_get_capabilities (GstPhotography * photo);
GST_PHOTOGRAPHY_API
gboolean gst_photography_prepare_for_capture (GstPhotography * photo,
GstPhotographyCapturePrepared func,
GstCaps *capture_caps,
gpointer user_data);
GST_PHOTOGRAPHY_API
gboolean gst_photography_set_config (GstPhotography * photo,
GstPhotographySettings * config);
GST_PHOTOGRAPHY_API
gboolean gst_photography_get_config (GstPhotography * photo,
GstPhotographySettings * config);
GST_PHOTOGRAPHY_API
void gst_photography_set_autofocus (GstPhotography * photo, gboolean on);
G_END_DECLS
#endif /* __GST_PHOTOGRAPHY_H__ */
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