Add photography interface.

This commit is contained in:
Nokia Corporation 2009-02-06 12:06:23 +02:00 committed by René Stadler
parent dc408bb28b
commit f081d3e7b6
7 changed files with 884 additions and 1 deletions

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@ -1449,6 +1449,7 @@ gst/y4m/Makefile
gst-libs/Makefile
gst-libs/gst/Makefile
gst-libs/gst/dshow/Makefile
gst-libs/gst/interfaces/Makefile
sys/Makefile
sys/dshowdecwrapper/Makefile
sys/acmenc/Makefile

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@ -1,5 +1,5 @@
SUBDIRS =
SUBDIRS = interfaces
noinst_HEADERS = gst-i18n-plugin.h gettext.h
DIST_SUBDIRS = dshow

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@ -0,0 +1,41 @@
lib_LTLIBRARIES = libgstphotography-@GST_MAJORMINOR@.la
libgstphotographyincludedir = \
$(includedir)/gstreamer-@GST_MAJORMINOR@/gst/interfaces
headers_photography = \
photography.h
# variables used for enum/marshal generation
glib_enum_headers=$(headers_photography)
glib_enum_define=GST_PHOTOGRAPHY
glib_enum_prefix=gst_photography
built_sources = \
photography-enumtypes.c
built_headers = \
photography-enumtypes.h
libgstphotographyinclude_HEADERS = \
$(headers_photography)
nodist_libgstphotographyinclude_HEADERS = \
photography-enumtypes.h
libgstphotography_@GST_MAJORMINOR@_la_SOURCES = \
photography.c
nodist_libgstphotography_@GST_MAJORMINOR@_la_SOURCES = \
$(built_sources)
libgstphotography_@GST_MAJORMINOR@_la_CFLAGS = $(GST_CFLAGS)
libgstphotography_@GST_MAJORMINOR@_la_LIBADD = $(GST_LIBS)
libgstphotography_@GST_MAJORMINOR@_la_LDFLAGS = $(GST_LIB_LDFLAGS) $(GST_ALL_LDFLAGS) $(GST_LT_LDFLAGS)
BUILT_SOURCES = \
$(built_sources) \
$(built_headers)
CLEANFILES = $(BUILT_SOURCES)
include $(top_srcdir)/common/glib-gen.mak

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@ -0,0 +1,179 @@
/* Generated data (by glib-mkenums) */
#include "photography-enumtypes.h"
#include "photography.h"
/* enumerations from "photography.h" */
GType
gst_white_balance_mode_get_type (void)
{
static GType etype = 0;
if (etype == 0) {
static const GEnumValue values[] = {
{GST_PHOTOGRAPHY_WB_MODE_AUTO, "GST_PHOTOGRAPHY_WB_MODE_AUTO", "auto"},
{GST_PHOTOGRAPHY_WB_MODE_DAYLIGHT, "GST_PHOTOGRAPHY_WB_MODE_DAYLIGHT",
"daylight"},
{GST_PHOTOGRAPHY_WB_MODE_CLOUDY, "GST_PHOTOGRAPHY_WB_MODE_CLOUDY",
"cloudy"},
{GST_PHOTOGRAPHY_WB_MODE_SUNSET, "GST_PHOTOGRAPHY_WB_MODE_SUNSET",
"sunset"},
{GST_PHOTOGRAPHY_WB_MODE_TUNGSTEN, "GST_PHOTOGRAPHY_WB_MODE_TUNGSTEN",
"tungsten"},
{GST_PHOTOGRAPHY_WB_MODE_FLUORESCENT,
"GST_PHOTOGRAPHY_WB_MODE_FLUORESCENT", "fluorescent"},
{0, NULL, NULL}
};
etype = g_enum_register_static ("GstWhiteBalanceMode", values);
}
return etype;
}
GType
gst_colour_tone_mode_get_type (void)
{
static GType etype = 0;
if (etype == 0) {
static const GEnumValue values[] = {
{GST_PHOTOGRAPHY_COLOUR_TONE_MODE_NORMAL,
"GST_PHOTOGRAPHY_COLOUR_TONE_MODE_NORMAL", "normal"},
{GST_PHOTOGRAPHY_COLOUR_TONE_MODE_SEPIA,
"GST_PHOTOGRAPHY_COLOUR_TONE_MODE_SEPIA", "sepia"},
{GST_PHOTOGRAPHY_COLOUR_TONE_MODE_NEGATIVE,
"GST_PHOTOGRAPHY_COLOUR_TONE_MODE_NEGATIVE", "negative"},
{GST_PHOTOGRAPHY_COLOUR_TONE_MODE_GRAYSCALE,
"GST_PHOTOGRAPHY_COLOUR_TONE_MODE_GRAYSCALE", "grayscale"},
{GST_PHOTOGRAPHY_COLOUR_TONE_MODE_NATURAL,
"GST_PHOTOGRAPHY_COLOUR_TONE_MODE_NATURAL", "natural"},
{GST_PHOTOGRAPHY_COLOUR_TONE_MODE_VIVID,
"GST_PHOTOGRAPHY_COLOUR_TONE_MODE_VIVID", "vivid"},
{GST_PHOTOGRAPHY_COLOUR_TONE_MODE_COLORSWAP,
"GST_PHOTOGRAPHY_COLOUR_TONE_MODE_COLORSWAP", "colorswap"},
{GST_PHOTOGRAPHY_COLOUR_TONE_MODE_SOLARIZE,
"GST_PHOTOGRAPHY_COLOUR_TONE_MODE_SOLARIZE", "solarize"},
{GST_PHOTOGRAPHY_COLOUR_TONE_MODE_OUT_OF_FOCUS,
"GST_PHOTOGRAPHY_COLOUR_TONE_MODE_OUT_OF_FOCUS", "out-of-focus"},
{0, NULL, NULL}
};
etype = g_enum_register_static ("GstColourToneMode", values);
}
return etype;
}
GType
gst_scene_mode_get_type (void)
{
static GType etype = 0;
if (etype == 0) {
static const GEnumValue values[] = {
{GST_PHOTOGRAPHY_SCENE_MODE_MANUAL, "GST_PHOTOGRAPHY_SCENE_MODE_MANUAL",
"manual"},
{GST_PHOTOGRAPHY_SCENE_MODE_CLOSEUP, "GST_PHOTOGRAPHY_SCENE_MODE_CLOSEUP",
"closeup"},
{GST_PHOTOGRAPHY_SCENE_MODE_PORTRAIT,
"GST_PHOTOGRAPHY_SCENE_MODE_PORTRAIT", "portrait"},
{GST_PHOTOGRAPHY_SCENE_MODE_LANDSCAPE,
"GST_PHOTOGRAPHY_SCENE_MODE_LANDSCAPE", "landscape"},
{GST_PHOTOGRAPHY_SCENE_MODE_SPORT, "GST_PHOTOGRAPHY_SCENE_MODE_SPORT",
"sport"},
{GST_PHOTOGRAPHY_SCENE_MODE_NIGHT, "GST_PHOTOGRAPHY_SCENE_MODE_NIGHT",
"night"},
{GST_PHOTOGRAPHY_SCENE_MODE_AUTO, "GST_PHOTOGRAPHY_SCENE_MODE_AUTO",
"auto"},
{0, NULL, NULL}
};
etype = g_enum_register_static ("GstSceneMode", values);
}
return etype;
}
GType
gst_flash_mode_get_type (void)
{
static GType etype = 0;
if (etype == 0) {
static const GEnumValue values[] = {
{GST_PHOTOGRAPHY_FLASH_MODE_AUTO, "GST_PHOTOGRAPHY_FLASH_MODE_AUTO",
"auto"},
{GST_PHOTOGRAPHY_FLASH_MODE_OFF, "GST_PHOTOGRAPHY_FLASH_MODE_OFF", "off"},
{GST_PHOTOGRAPHY_FLASH_MODE_ON, "GST_PHOTOGRAPHY_FLASH_MODE_ON", "on"},
{GST_PHOTOGRAPHY_FLASH_MODE_FILL_IN, "GST_PHOTOGRAPHY_FLASH_MODE_FILL_IN",
"fill-in"},
{GST_PHOTOGRAPHY_FLASH_MODE_RED_EYE, "GST_PHOTOGRAPHY_FLASH_MODE_RED_EYE",
"red-eye"},
{0, NULL, NULL}
};
etype = g_enum_register_static ("GstFlashMode", values);
}
return etype;
}
GType
gst_focus_status_get_type (void)
{
static GType etype = 0;
if (etype == 0) {
static const GEnumValue values[] = {
{GST_PHOTOGRAPHY_FOCUS_STATUS_NONE, "GST_PHOTOGRAPHY_FOCUS_STATUS_NONE",
"none"},
{GST_PHOTOGRAPHY_FOCUS_STATUS_RUNNING,
"GST_PHOTOGRAPHY_FOCUS_STATUS_RUNNING", "running"},
{GST_PHOTOGRAPHY_FOCUS_STATUS_FAIL, "GST_PHOTOGRAPHY_FOCUS_STATUS_FAIL",
"fail"},
{GST_PHOTOGRAPHY_FOCUS_STATUS_SUCCESS,
"GST_PHOTOGRAPHY_FOCUS_STATUS_SUCCESS", "success"},
{0, NULL, NULL}
};
etype = g_enum_register_static ("GstFocusStatus", values);
}
return etype;
}
GType
gst_photo_caps_get_type (void)
{
static GType etype = 0;
if (etype == 0) {
static const GFlagsValue values[] = {
{GST_PHOTOGRAPHY_CAPS_NONE, "GST_PHOTOGRAPHY_CAPS_NONE", "none"},
{GST_PHOTOGRAPHY_CAPS_EV_COMP, "GST_PHOTOGRAPHY_CAPS_EV_COMP", "ev-comp"},
{GST_PHOTOGRAPHY_CAPS_ISO_SPEED, "GST_PHOTOGRAPHY_CAPS_ISO_SPEED",
"iso-speed"},
{GST_PHOTOGRAPHY_CAPS_WB_MODE, "GST_PHOTOGRAPHY_CAPS_WB_MODE", "wb-mode"},
{GST_PHOTOGRAPHY_CAPS_TONE, "GST_PHOTOGRAPHY_CAPS_TONE", "tone"},
{GST_PHOTOGRAPHY_CAPS_SCENE, "GST_PHOTOGRAPHY_CAPS_SCENE", "scene"},
{GST_PHOTOGRAPHY_CAPS_FLASH, "GST_PHOTOGRAPHY_CAPS_FLASH", "flash"},
{GST_PHOTOGRAPHY_CAPS_ZOOM, "GST_PHOTOGRAPHY_CAPS_ZOOM", "zoom"},
{GST_PHOTOGRAPHY_CAPS_FOCUS, "GST_PHOTOGRAPHY_CAPS_FOCUS", "focus"},
{GST_PHOTOGRAPHY_CAPS_APERTURE, "GST_PHOTOGRAPHY_CAPS_APERTURE",
"aperture"},
{GST_PHOTOGRAPHY_CAPS_EXPOSURE, "GST_PHOTOGRAPHY_CAPS_EXPOSURE",
"exposure"},
{GST_PHOTOGRAPHY_CAPS_SHAKE, "GST_PHOTOGRAPHY_CAPS_SHAKE", "shake"},
{0, NULL, NULL}
};
etype = g_flags_register_static ("GstPhotoCaps", values);
}
return etype;
}
GType
gst_photo_shake_risk_get_type (void)
{
static GType etype = 0;
if (etype == 0) {
static const GEnumValue values[] = {
{GST_PHOTOGRAPHY_SHAKE_RISK_LOW, "GST_PHOTOGRAPHY_SHAKE_RISK_LOW", "low"},
{GST_PHOTOGRAPHY_SHAKE_RISK_MEDIUM, "GST_PHOTOGRAPHY_SHAKE_RISK_MEDIUM",
"medium"},
{GST_PHOTOGRAPHY_SHAKE_RISK_HIGH, "GST_PHOTOGRAPHY_SHAKE_RISK_HIGH",
"high"},
{0, NULL, NULL}
};
etype = g_enum_register_static ("GstPhotoShakeRisk", values);
}
return etype;
}
/* Generated data ends here */

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@ -0,0 +1,31 @@
/* Generated data (by glib-mkenums) */
#ifndef __GST_PHOTOGRAPHY_ENUM_TYPES_H__
#define __GST_PHOTOGRAPHY_ENUM_TYPES_H__
#include <glib-object.h>
G_BEGIN_DECLS
/* enumerations from "photography.h" */
GType gst_white_balance_mode_get_type (void);
#define GST_TYPE_WHITE_BALANCE_MODE (gst_white_balance_mode_get_type())
GType gst_colour_tone_mode_get_type (void);
#define GST_TYPE_COLOUR_TONE_MODE (gst_colour_tone_mode_get_type())
GType gst_scene_mode_get_type (void);
#define GST_TYPE_SCENE_MODE (gst_scene_mode_get_type())
GType gst_flash_mode_get_type (void);
#define GST_TYPE_FLASH_MODE (gst_flash_mode_get_type())
GType gst_focus_status_get_type (void);
#define GST_TYPE_FOCUS_STATUS (gst_focus_status_get_type())
GType gst_photo_caps_get_type (void);
#define GST_TYPE_PHOTO_CAPS (gst_photo_caps_get_type())
GType gst_photo_shake_risk_get_type (void);
#define GST_TYPE_PHOTO_SHAKE_RISK (gst_photo_shake_risk_get_type())
G_END_DECLS
#endif /* __GST_PHOTOGRAPHY_ENUM_TYPES_H__ */
/* Generated data ends here */

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@ -0,0 +1,364 @@
/* GStreamer
*
* Copyright (C) 2008 Nokia Corporation <multimedia@maemo.org>
*
* photography.c: 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "photography.h"
/**
* SECTION:photography
* @short_description: Interface for elements having digital imaging controls
*
* The interface allows access to some common digital imaging controls
*/
static void gst_photography_iface_init (GstPhotographyInterface * iface);
GType
gst_photography_get_type (void)
{
static GType gst_photography_type = 0;
if (!gst_photography_type) {
static const GTypeInfo gst_photography_info = {
sizeof (GstPhotographyInterface),
(GBaseInitFunc) gst_photography_iface_init,
NULL,
NULL,
NULL,
NULL,
0,
0,
NULL,
};
gst_photography_type = g_type_register_static (G_TYPE_INTERFACE,
"GstPhotography", &gst_photography_info, 0);
g_type_interface_add_prerequisite (gst_photography_type,
GST_TYPE_IMPLEMENTS_INTERFACE);
}
return gst_photography_type;
}
static void
gst_photography_iface_init (GstPhotographyInterface * iface)
{
/* default virtual functions */
iface->get_ev_compensation = NULL;
iface->get_iso_speed = NULL;
iface->get_aperture = NULL;
iface->get_exposure = NULL;
iface->get_white_balance_mode = NULL;
iface->get_colour_tone_mode = NULL;
iface->get_scene_mode = NULL;
iface->get_flash_mode = NULL;
iface->get_zoom = NULL;
iface->set_ev_compensation = NULL;
iface->set_iso_speed = NULL;
iface->set_aperture = NULL;
iface->set_exposure = NULL;
iface->set_white_balance_mode = NULL;
iface->set_colour_tone_mode = NULL;
iface->set_scene_mode = NULL;
iface->set_flash_mode = NULL;
iface->set_zoom = NULL;
iface->get_capabilities = NULL;
iface->prepare_for_capture = NULL;
iface->set_autofocus = NULL;
}
#define GST_PHOTOGRAPHY_FUNC_TEMPLATE(function_name, param_type) \
gboolean \
gst_photography_set_ ## function_name (GstPhotography * photo, param_type param) \
{ \
GstPhotographyInterface *iface; \
g_return_val_if_fail (photo != NULL, FALSE); \
iface = GST_PHOTOGRAPHY_GET_IFACE (photo); \
if (iface->set_ ## function_name) { \
return iface->set_ ## function_name (photo, param); \
} \
return FALSE; \
} \
gboolean \
gst_photography_get_ ## function_name (GstPhotography * photo, param_type * param) \
{ \
GstPhotographyInterface *iface; \
g_return_val_if_fail (photo != NULL, FALSE); \
iface = GST_PHOTOGRAPHY_GET_IFACE (photo); \
if (iface->get_ ## function_name) { \
return iface->get_ ## function_name (photo, param); \
} \
return FALSE; \
}
/**
* gst_photography_set_ev_compensation:
* @photo: #GstPhotography interface of a #GstElement
* @ev_comp: ev compensation value to set
*
* Set the ev compensation value for the #GstElement
*
* Returns: %TRUE if setting the value succeeded, %FALSE otherwise
*/
/**
* gst_photography_get_ev_compensation:
* @photo: #GstPhotography interface of a #GstElement
* @ev_comp: ev compensation value to get
*
* Get the ev compensation value for the #GstElement
*
* Returns: %TRUE if getting the value succeeded, %FALSE otherwise
*/
GST_PHOTOGRAPHY_FUNC_TEMPLATE (ev_compensation, gfloat);
/**
* gst_photography_set_iso_speed:
* @photo: #GstPhotography interface of a #GstElement
* @iso_speed: ISO speed value to set
*
* Set the ISO value (light sensivity) for the #GstElement
*
* Returns: %TRUE if setting the value succeeded, %FALSE otherwise
*/
/**
* gst_photography_get_iso_speed:
* @photo: #GstPhotography interface of a #GstElement
* @iso_speed: ISO speed value to get
*
* Get the ISO value (light sensivity) for the #GstElement
*
* Returns: %TRUE if getting the value succeeded, %FALSE otherwise
*/
GST_PHOTOGRAPHY_FUNC_TEMPLATE (iso_speed, guint);
/**
* gst_photography_set_aperture:
* @photo: #GstPhotography interface of a #GstElement
* @aperture: aperture value to set
*
* Set the aperture value for the #GstElement
*
* Returns: %TRUE if setting the value succeeded, %FALSE otherwise
*/
/**
* gst_photography_get_aperture:
* @photo: #GstPhotography interface of a #GstElement
* @aperture: aperture value to get
*
* Get the aperture value for the #GstElement
*
* Returns: %TRUE if getting the value succeeded, %FALSE otherwise
*/
GST_PHOTOGRAPHY_FUNC_TEMPLATE (aperture, guint);
/**
* gst_photography_set_exposure:
* @photo: #GstPhotography interface of a #GstElement
* @exposure: exposure time to set
*
* Set the fixed exposure time (in us) for the #GstElement
*
* Returns: %TRUE if setting the value succeeded, %FALSE otherwise
*/
/**
* gst_photography_get_exposure:
* @photo: #GstPhotography interface of a #GstElement
* @exposure: exposure time to get
*
* Get the fixed exposure time (in us) for the #GstElement
*
* Returns: %TRUE if getting the value succeeded, %FALSE otherwise
*/
GST_PHOTOGRAPHY_FUNC_TEMPLATE (exposure, guint32);
/**
* gst_photography_set_white_balance_mode:
* @photo: #GstPhotography interface of a #GstElement
* @wb_mode: #GstWhiteBalanceMode to set
*
* Set the white balance mode for the #GstElement
*
* Returns: %TRUE if setting the value succeeded, %FALSE otherwise
*/
/**
* gst_photography_get_white_balance_mode:
* @photo: #GstPhotography interface of a #GstElement
* @wb_mode: #GstWhiteBalanceMode to get
*
* Get the white balance mode for the #GstElement
*
* Returns: %TRUE if getting the value succeeded, %FALSE otherwise
*/
GST_PHOTOGRAPHY_FUNC_TEMPLATE (white_balance_mode, GstWhiteBalanceMode);
/**
* gst_photography_set_colour_tone_mode:
* @photo: #GstPhotography interface of a #GstElement
* @tone_mode: #GstColourToneMode to set
*
* Set the colour tone mode for the #GstElement
*
* Returns: %TRUE if setting the value succeeded, %FALSE otherwise
*/
/**
* gst_photography_get_colour_tone_mode:
* @photo: #GstPhotography interface of a #GstElement
* @tone_mode: #GstColourToneMode to get
*
* Get the colour tone mode for the #GstElement
*
* Returns: %TRUE if getting the value succeeded, %FALSE otherwise
*/
GST_PHOTOGRAPHY_FUNC_TEMPLATE (colour_tone_mode, GstColourToneMode);
/**
* gst_photography_set_scene_mode:
* @photo: #GstPhotography interface of a #GstElement
* @scene_mode: #GstSceneMode to set
*
* Set the scene mode for the #GstElement
*
* Returns: %TRUE if setting the value succeeded, %FALSE otherwise
*/
/**
* gst_photography_get_scene_mode:
* @photo: #GstPhotography interface of a #GstElement
* @scene_mode: #GstSceneMode to get
*
* Get the scene mode for the #GstElement
*
* Returns: %TRUE if getting the value succeeded, %FALSE otherwise
*/
GST_PHOTOGRAPHY_FUNC_TEMPLATE (scene_mode, GstSceneMode);
/**
* gst_photography_set_flash_mode:
* @photo: #GstPhotography interface of a #GstElement
* @flash_mode: #GstFlashMode to set
*
* Set the flash mode for the #GstElement
*
* Returns: %TRUE if setting the value succeeded, %FALSE otherwise
*/
/**
* gst_photography_get_flash_mode:
* @photo: #GstPhotography interface of a #GstElement
* @flash_mode: #GstFlashMode to get
*
* Get the flash mode for the #GstElement
*
* Returns: %TRUE if getting the value succeeded, %FALSE otherwise
*/
GST_PHOTOGRAPHY_FUNC_TEMPLATE (flash_mode, GstFlashMode);
/**
* gst_photography_set_zoom:
* @photo: #GstPhotography interface of a #GstElement
* @zoom: zoom value to set
*
* Set the zoom value for the #GstElement.
* E.g. 1.0 to get original image and 3.0 for 3x zoom and so on.
*
* Returns: %TRUE if setting the value succeeded, %FALSE otherwise
*/
/**
* gst_photography_get_zoom:
* @photo: #GstPhotography interface of a #GstElement
* @zoom: zoom value to get
*
* Get the zoom value for the #GstElement
*
* Returns: %TRUE if getting the value succeeded, %FALSE otherwise
*/
GST_PHOTOGRAPHY_FUNC_TEMPLATE (zoom, gfloat);
/**
* gst_photography_get_capabilities:
* @photo: #GstPhotography interface of a #GstElement
*
* Get #GstPhotoCaps bitmask value that indicates what photography
* interface features the #GstElement supports
*
* Returns: #GstPhotoCaps value
*/
GstPhotoCaps
gst_photography_get_capabilities (GstPhotography * photo)
{
GstPhotographyInterface *iface;
g_return_val_if_fail (photo != NULL, GST_PHOTOGRAPHY_CAPS_NONE);
iface = GST_PHOTOGRAPHY_GET_IFACE (photo);
if (iface->get_capabilities) {
return iface->get_capabilities (photo);
} else {
return GST_PHOTOGRAPHY_CAPS_NONE;
}
}
/**
* gst_photography_prepare_for_capture:
* @photo: #GstPhotography interface of a #GstElement
* @func: callback that is called after capturing has been prepared
* @user_data: user data that will be passed to the callback @func
*
* Start preparations for capture. @func callback is called after
* preparations are done.
*/
void
gst_photography_prepare_for_capture (GstPhotography * photo,
GstPhotoCapturePrepared func, gpointer user_data)
{
GstPhotographyInterface *iface;
g_return_if_fail (photo != NULL);
iface = GST_PHOTOGRAPHY_GET_IFACE (photo);
if (iface->prepare_for_capture) {
iface->prepare_for_capture (photo, func, user_data);
}
}
/**
* gst_photography_set_autofocus:
* @photo: #GstPhotography interface of a #GstElement
* @on: %TRUE to start autofocusing, %FALSE to stop autofocusing
*
* Start or stop autofocusing. %GST_PHOTOGRAPHY_AUTOFOCUS_DONE
* message is posted to bus when autofocusing has finished.
*/
void
gst_photography_set_autofocus (GstPhotography * photo, gboolean on)
{
GstPhotographyInterface *iface;
g_return_if_fail (photo != NULL);
iface = GST_PHOTOGRAPHY_GET_IFACE (photo);
if (iface->set_autofocus) {
iface->set_autofocus (photo, on);
}
}

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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__
#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"
/**
* 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
*
* This callback will be called when the element has finished preparations
* for photo capture.
*/
typedef void (*GstPhotoCapturePrepared) (gpointer data);
/**
* 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
*
* #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);
void (*prepare_for_capture) (GstPhotography * photo,
GstPhotoCapturePrepared func, gpointer user_data);
void (*set_autofocus) (GstPhotography * photo, gboolean on);
/*< 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);
void gst_photography_prepare_for_capture (GstPhotography * photo,
GstPhotoCapturePrepared func, gpointer user_data);
void gst_photography_set_autofocus (GstPhotography * photo, gboolean on);
G_END_DECLS
#endif /* __GST_PHOTOGRAPHY_H__ */