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732 lines
24 KiB
C
732 lines
24 KiB
C
/* 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.c: 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., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "photography.h"
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/**
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* SECTION:gstphotography
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* @short_description: Interface for digital image capture elements
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* @stability: Unstable
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*
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* The interface allows access to some common digital image capture parameters.
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*
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* > The GstPhotography interface is unstable API and may change in future.
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* > One can define GST_USE_UNSTABLE_API to acknowledge and avoid this warning.
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*/
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static void gst_photography_iface_base_init (GstPhotographyInterface * iface);
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static void gst_photography_iface_class_init (gpointer g_class);
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GType
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gst_photography_get_type (void)
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{
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static GType gst_photography_type = 0;
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if (!gst_photography_type) {
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static const GTypeInfo gst_photography_info = {
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sizeof (GstPhotographyInterface),
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(GBaseInitFunc) gst_photography_iface_base_init, /* base_init */
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NULL, /* base_finalize */
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(GClassInitFunc) gst_photography_iface_class_init, /* class_init */
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NULL, /* class_finalize */
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NULL, /* class_data */
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0,
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0, /* n_preallocs */
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NULL, /* instance_init */
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};
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gst_photography_type = g_type_register_static (G_TYPE_INTERFACE,
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"GstPhotography", &gst_photography_info, 0);
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}
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return gst_photography_type;
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}
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static void
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gst_photography_iface_base_init (GstPhotographyInterface * iface)
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{
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/* default virtual functions */
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iface->get_ev_compensation = NULL;
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iface->get_iso_speed = NULL;
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iface->get_aperture = NULL;
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iface->get_exposure = NULL;
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iface->get_white_balance_mode = NULL;
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iface->get_color_tone_mode = NULL;
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iface->get_scene_mode = NULL;
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iface->get_flash_mode = NULL;
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iface->get_noise_reduction = NULL;
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iface->get_zoom = NULL;
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iface->get_flicker_mode = NULL;
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iface->get_focus_mode = NULL;
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iface->set_ev_compensation = NULL;
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iface->set_iso_speed = NULL;
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iface->set_aperture = NULL;
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iface->set_exposure = NULL;
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iface->set_white_balance_mode = NULL;
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iface->set_color_tone_mode = NULL;
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iface->set_scene_mode = NULL;
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iface->set_flash_mode = NULL;
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iface->set_noise_reduction = NULL;
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iface->set_zoom = NULL;
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iface->set_flicker_mode = NULL;
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iface->set_focus_mode = NULL;
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iface->get_capabilities = NULL;
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iface->prepare_for_capture = NULL;
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iface->set_autofocus = NULL;
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iface->set_config = NULL;
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iface->get_config = NULL;
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iface->set_exposure_mode = NULL;
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iface->get_exposure_mode = NULL;
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iface->set_analog_gain = NULL;
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iface->get_analog_gain = NULL;
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iface->set_lens_focus = NULL;
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iface->get_lens_focus = NULL;
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iface->set_color_temperature = NULL;
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iface->get_color_temperature = NULL;
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iface->set_min_exposure_time = NULL;
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iface->get_min_exposure_time = NULL;
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iface->set_max_exposure_time = NULL;
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iface->get_max_exposure_time = NULL;
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}
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#define GST_PHOTOGRAPHY_FUNC_TEMPLATE(function_name, param_type) \
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gboolean \
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gst_photography_set_ ## function_name (GstPhotography * photo, param_type param) \
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{ \
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GstPhotographyInterface *iface; \
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g_return_val_if_fail (photo != NULL, FALSE); \
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iface = GST_PHOTOGRAPHY_GET_INTERFACE (photo); \
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if (iface->set_ ## function_name) { \
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return iface->set_ ## function_name (photo, param); \
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} \
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return FALSE; \
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} \
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gboolean \
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gst_photography_get_ ## function_name (GstPhotography * photo, param_type * param) \
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{ \
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GstPhotographyInterface *iface; \
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g_return_val_if_fail (photo != NULL, FALSE); \
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iface = GST_PHOTOGRAPHY_GET_INTERFACE (photo); \
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if (iface->get_ ## function_name) { \
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return iface->get_ ## function_name (photo, param); \
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} \
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return FALSE; \
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}
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/**
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* gst_photography_set_ev_compensation:
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* @photo: #GstPhotography interface of a #GstElement
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* @ev_comp: ev compensation value to set
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*
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* Set the ev compensation value for the #GstElement
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*
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* Returns: %TRUE if setting the value succeeded, %FALSE otherwise
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*/
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/**
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* gst_photography_get_ev_compensation:
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* @photo: #GstPhotography interface of a #GstElement
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* @ev_comp: ev compensation value to get
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*
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* Get the ev compensation value for the #GstElement
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*
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* Returns: %TRUE if getting the value succeeded, %FALSE otherwise
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*/
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GST_PHOTOGRAPHY_FUNC_TEMPLATE (ev_compensation, gfloat);
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/**
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* gst_photography_set_iso_speed:
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* @photo: #GstPhotography interface of a #GstElement
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* @iso_speed: ISO speed value to set
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*
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* Set the ISO value (light sensivity) for the #GstElement
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*
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* Returns: %TRUE if setting the value succeeded, %FALSE otherwise
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*/
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/**
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* gst_photography_get_iso_speed:
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* @photo: #GstPhotography interface of a #GstElement
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* @iso_speed: ISO speed value to get
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*
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* Get the ISO value (light sensivity) for the #GstElement
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*
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* Returns: %TRUE if getting the value succeeded, %FALSE otherwise
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*/
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GST_PHOTOGRAPHY_FUNC_TEMPLATE (iso_speed, guint);
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/**
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* gst_photography_set_aperture:
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* @photo: #GstPhotography interface of a #GstElement
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* @aperture: aperture value to set
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*
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* Set the aperture value for the #GstElement
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*
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* Returns: %TRUE if setting the value succeeded, %FALSE otherwise
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*/
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/**
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* gst_photography_get_aperture:
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* @photo: #GstPhotography interface of a #GstElement
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* @aperture: aperture value to get
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*
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* Get the aperture value for the #GstElement
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*
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* Returns: %TRUE if getting the value succeeded, %FALSE otherwise
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*/
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GST_PHOTOGRAPHY_FUNC_TEMPLATE (aperture, guint);
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/**
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* gst_photography_set_exposure:
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* @photo: #GstPhotography interface of a #GstElement
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* @exposure: exposure time to set
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*
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* Set the fixed exposure time (in us) for the #GstElement
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*
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* Returns: %TRUE if setting the value succeeded, %FALSE otherwise
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*/
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/**
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* gst_photography_get_exposure:
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* @photo: #GstPhotography interface of a #GstElement
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* @exposure: exposure time to get
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*
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* Get the fixed exposure time (in us) for the #GstElement
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*
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* Returns: %TRUE if getting the value succeeded, %FALSE otherwise
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*/
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GST_PHOTOGRAPHY_FUNC_TEMPLATE (exposure, guint32);
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/**
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* gst_photography_set_white_balance_mode:
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* @photo: #GstPhotography interface of a #GstElement
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* @wb_mode: #GstPhotographyWhiteBalanceMode to set
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*
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* Set the white balance mode for the #GstElement
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*
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* Returns: %TRUE if setting the value succeeded, %FALSE otherwise
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*/
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/**
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* gst_photography_get_white_balance_mode:
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* @photo: #GstPhotography interface of a #GstElement
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* @wb_mode: #GstPhotographyWhiteBalanceMode to get
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*
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* Get the white balance mode for the #GstElement
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*
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* Returns: %TRUE if getting the value succeeded, %FALSE otherwise
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*/
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GST_PHOTOGRAPHY_FUNC_TEMPLATE (white_balance_mode,
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GstPhotographyWhiteBalanceMode);
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/**
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* gst_photography_set_color_tone_mode:
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* @photo: #GstPhotography interface of a #GstElement
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* @tone_mode: #GstPhotographyColorToneMode to set
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*
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* Set the color tone mode for the #GstElement
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*
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* Returns: %TRUE if setting the value succeeded, %FALSE otherwise
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*/
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/**
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* gst_photography_get_color_tone_mode:
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* @photo: #GstPhotography interface of a #GstElement
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* @tone_mode: #GstPhotographyColorToneMode to get
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*
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* Get the color tone mode for the #GstElement
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*
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* Returns: %TRUE if getting the value succeeded, %FALSE otherwise
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*/
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GST_PHOTOGRAPHY_FUNC_TEMPLATE (color_tone_mode, GstPhotographyColorToneMode);
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/**
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* gst_photography_set_scene_mode:
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* @photo: #GstPhotography interface of a #GstElement
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* @scene_mode: #GstPhotographySceneMode to set
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*
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* Set the scene mode for the #GstElement
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*
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* Returns: %TRUE if setting the value succeeded, %FALSE otherwise
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*/
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/**
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* gst_photography_get_scene_mode:
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* @photo: #GstPhotography interface of a #GstElement
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* @scene_mode: #GstPhotographySceneMode to get
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*
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* Get the scene mode for the #GstElement
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*
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* Returns: %TRUE if getting the value succeeded, %FALSE otherwise
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*/
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GST_PHOTOGRAPHY_FUNC_TEMPLATE (scene_mode, GstPhotographySceneMode);
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/**
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* gst_photography_set_flash_mode:
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* @photo: #GstPhotography interface of a #GstElement
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* @flash_mode: #GstPhotographyFlashMode to set
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*
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* Set the flash mode for the #GstElement
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*
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* Returns: %TRUE if setting the value succeeded, %FALSE otherwise
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*/
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/**
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* gst_photography_get_flash_mode:
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* @photo: #GstPhotography interface of a #GstElement
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* @flash_mode: #GstPhotographyFlashMode to get
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*
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* Get the flash mode for the #GstElement
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*
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* Returns: %TRUE if getting the value succeeded, %FALSE otherwise
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*/
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GST_PHOTOGRAPHY_FUNC_TEMPLATE (flash_mode, GstPhotographyFlashMode);
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/**
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* gst_photography_set_noise_reduction:
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* @photo: #GstPhotography interface of a #GstElement
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* @noise_reduction: #GstPhotographyNoiseReductionMode to set
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*
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* Set the noise reduction mode for the #GstElement
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*
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* Returns: %TRUE if setting the value succeeded, %FALSE otherwise
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*/
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/**
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* gst_photography_get_noise_reduction:
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* @photo: #GstPhotography interface of a #GstElement
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* @noise_reduction: #GstPhotographyNoiseReductionMode to get
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*
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* Get the noise reduction mode for the #GstElement
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*
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* Returns: %TRUE if getting the value succeeded, %FALSE otherwise
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*/
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GST_PHOTOGRAPHY_FUNC_TEMPLATE (noise_reduction, GstPhotographyNoiseReduction);
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/**
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* gst_photography_set_zoom:
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* @photo: #GstPhotography interface of a #GstElement
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* @zoom: zoom value to set
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*
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* Set the zoom value for the #GstElement.
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* E.g. 1.0 to get original image and 3.0 for 3x zoom and so on.
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*
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* Returns: %TRUE if setting the value succeeded, %FALSE otherwise
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*/
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/**
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* gst_photography_get_zoom:
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* @photo: #GstPhotography interface of a #GstElement
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* @zoom: zoom value to get
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*
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* Get the zoom value for the #GstElement
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*
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* Returns: %TRUE if getting the value succeeded, %FALSE otherwise
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*/
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GST_PHOTOGRAPHY_FUNC_TEMPLATE (zoom, gfloat);
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/**
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* gst_photography_set_flicker_mode:
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* @photo: #GstPhotography interface of a #GstElement
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* @flicker_mode: flicker mode value to set
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*
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* Set the flicker mode value for the #GstElement.
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*
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* Returns: %TRUE if setting the value succeeded, %FALSE otherwise
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*/
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/**
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* gst_photography_get_flicker_mode:
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* @photo: #GstPhotography interface of a #GstElement
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* @flicker_mode: flicker mode value to get
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*
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* Get the flicker mode value for the #GstElement
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*
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* Returns: %TRUE if getting the value succeeded, %FALSE otherwise
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*/
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GST_PHOTOGRAPHY_FUNC_TEMPLATE (flicker_mode,
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GstPhotographyFlickerReductionMode);
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/**
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* gst_photography_set_focus_mode:
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* @photo: #GstPhotography interface of a #GstElement
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* @focus_mode: focus mode value to set
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*
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* Set the focus mode value for the #GstElement.
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*
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* Returns: %TRUE if setting the value succeeded, %FALSE otherwise
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*/
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/**
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* gst_photography_get_focus_mode:
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* @photo: #GstPhotography interface of a #GstElement
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* @focus_mode: focus_mode value to get
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*
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* Get the focus mode value for the #GstElement
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*
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* Returns: %TRUE if getting the value succeeded, %FALSE otherwise
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*/
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GST_PHOTOGRAPHY_FUNC_TEMPLATE (focus_mode, GstPhotographyFocusMode);
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/**
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* gst_photography_get_capabilities:
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* @photo: #GstPhotography interface of a #GstElement
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*
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* Get #GstPhotographyCaps bitmask value that indicates what photography
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* interface features the #GstElement supports
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*
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* Returns: #GstPhotographyCaps value
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*/
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GstPhotographyCaps
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gst_photography_get_capabilities (GstPhotography * photo)
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{
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GstPhotographyInterface *iface;
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g_return_val_if_fail (photo != NULL, GST_PHOTOGRAPHY_CAPS_NONE);
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iface = GST_PHOTOGRAPHY_GET_INTERFACE (photo);
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if (iface->get_capabilities) {
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return iface->get_capabilities (photo);
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} else {
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return GST_PHOTOGRAPHY_CAPS_NONE;
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}
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}
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/**
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* gst_photography_prepare_for_capture:
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* @photo: #GstPhotography interface of a #GstElement
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* @func: callback that is called after capturing has been prepared
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* @capture_caps: #GstCaps defining the desired format of the captured image
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* @user_data: user data that will be passed to the callback @func
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*
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* Start preparations for capture. Preparations can take indeterminate
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* amount of time and @func callback is called after preparations are
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* done. Image capture will begin after callback returns.
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*
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* Returns: %TRUE if preparations were started (caps were OK), otherwise %FALSE.
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*/
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gboolean
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gst_photography_prepare_for_capture (GstPhotography * photo,
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GstPhotographyCapturePrepared func, GstCaps * capture_caps,
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gpointer user_data)
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{
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GstPhotographyInterface *iface;
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gboolean ret = TRUE;
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g_return_val_if_fail (photo != NULL, FALSE);
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iface = GST_PHOTOGRAPHY_GET_INTERFACE (photo);
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if (iface->prepare_for_capture) {
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ret = iface->prepare_for_capture (photo, func, capture_caps, user_data);
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}
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return ret;
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}
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/**
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* gst_photography_set_autofocus:
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* @photo: #GstPhotography interface of a #GstElement
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* @on: %TRUE to start autofocusing, %FALSE to stop autofocusing
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*
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* Start or stop autofocusing. %GST_PHOTOGRAPHY_AUTOFOCUS_DONE
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* message is posted to bus when autofocusing has finished.
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*/
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void
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gst_photography_set_autofocus (GstPhotography * photo, gboolean on)
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{
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GstPhotographyInterface *iface;
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g_return_if_fail (photo != NULL);
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iface = GST_PHOTOGRAPHY_GET_INTERFACE (photo);
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if (iface->set_autofocus) {
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iface->set_autofocus (photo, on);
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}
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}
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/**
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* gst_photography_set_config:
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* @photo: #GstPhotography interface of a #GstElement
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* @config: #GstPhotographySettings containing the configuration
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*
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* Set all configuration settings at once.
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*
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* Returns: TRUE if configuration was set successfully, otherwise FALSE.
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*/
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gboolean
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gst_photography_set_config (GstPhotography * photo,
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GstPhotographySettings * config)
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{
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GstPhotographyInterface *iface;
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gboolean ret = FALSE;
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g_return_val_if_fail (photo != NULL, FALSE);
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iface = GST_PHOTOGRAPHY_GET_INTERFACE (photo);
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if (iface->set_config) {
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ret = iface->set_config (photo, config);
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}
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return ret;
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}
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/**
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* gst_photography_get_config:
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* @photo: #GstPhotography interface of a #GstElement
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* @config: #GstPhotographySettings containing the configuration
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*
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* Get all configuration settings at once.
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*
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* Returns: TRUE if configuration was got successfully, otherwise FALSE.
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*/
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|
gboolean
|
|
gst_photography_get_config (GstPhotography * photo,
|
|
GstPhotographySettings * config)
|
|
{
|
|
GstPhotographyInterface *iface;
|
|
gboolean ret = FALSE;
|
|
|
|
g_return_val_if_fail (photo != NULL, FALSE);
|
|
|
|
iface = GST_PHOTOGRAPHY_GET_INTERFACE (photo);
|
|
if (iface->get_config) {
|
|
ret = iface->get_config (photo, config);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/* Photography class initialization stuff */
|
|
static void
|
|
gst_photography_iface_class_init (gpointer g_class)
|
|
{
|
|
/* create interface signals and properties here. */
|
|
|
|
/* White balance */
|
|
g_object_interface_install_property (g_class,
|
|
g_param_spec_enum (GST_PHOTOGRAPHY_PROP_WB_MODE,
|
|
"White balance mode property",
|
|
"White balance affects the color temperature of the photo",
|
|
GST_TYPE_PHOTOGRAPHY_WHITE_BALANCE_MODE,
|
|
GST_PHOTOGRAPHY_WB_MODE_AUTO,
|
|
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
|
|
|
/* Color tone */
|
|
g_object_interface_install_property (g_class,
|
|
g_param_spec_enum (GST_PHOTOGRAPHY_PROP_COLOR_TONE,
|
|
"Color tone mode property",
|
|
"Color tone setting changes color shading in the photo",
|
|
GST_TYPE_PHOTOGRAPHY_COLOR_TONE_MODE,
|
|
GST_PHOTOGRAPHY_COLOR_TONE_MODE_NORMAL,
|
|
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
|
|
|
/* Scene mode */
|
|
g_object_interface_install_property (g_class,
|
|
g_param_spec_enum (GST_PHOTOGRAPHY_PROP_SCENE_MODE,
|
|
"Scene mode property",
|
|
"Scene mode works as a preset for different photo shooting mode settings",
|
|
GST_TYPE_PHOTOGRAPHY_SCENE_MODE,
|
|
GST_PHOTOGRAPHY_SCENE_MODE_AUTO,
|
|
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
|
|
|
/* Flash mode */
|
|
g_object_interface_install_property (g_class,
|
|
g_param_spec_enum (GST_PHOTOGRAPHY_PROP_FLASH_MODE,
|
|
"Flash mode property",
|
|
"Flash mode defines how the flash light should be used",
|
|
GST_TYPE_PHOTOGRAPHY_FLASH_MODE,
|
|
GST_PHOTOGRAPHY_FLASH_MODE_AUTO,
|
|
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
|
|
|
/* Flicker reduction mode */
|
|
g_object_interface_install_property (g_class,
|
|
g_param_spec_enum (GST_PHOTOGRAPHY_PROP_FLICKER_MODE,
|
|
"Flicker reduction mode property",
|
|
"Flicker reduction mode defines a line frequency for flickering prevention",
|
|
GST_TYPE_PHOTOGRAPHY_FLICKER_REDUCTION_MODE,
|
|
GST_PHOTOGRAPHY_FLICKER_REDUCTION_OFF,
|
|
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
|
|
|
/* Focus mode */
|
|
g_object_interface_install_property (g_class,
|
|
g_param_spec_enum (GST_PHOTOGRAPHY_PROP_FOCUS_MODE,
|
|
"Focus mode property",
|
|
"Focus mode defines the range of focal lengths to use in autofocus search",
|
|
GST_TYPE_PHOTOGRAPHY_FOCUS_MODE,
|
|
GST_PHOTOGRAPHY_FOCUS_MODE_AUTO,
|
|
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
|
|
|
/* Capabilities */
|
|
g_object_interface_install_property (g_class,
|
|
g_param_spec_ulong (GST_PHOTOGRAPHY_PROP_CAPABILITIES,
|
|
"Photo capabilities bitmask",
|
|
"Tells the photo capabilities of the device",
|
|
0, G_MAXULONG, 0, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
|
|
|
|
/* EV_compensation */
|
|
g_object_interface_install_property (g_class,
|
|
g_param_spec_float (GST_PHOTOGRAPHY_PROP_EV_COMP,
|
|
"EV compensation property",
|
|
"EV compensation affects the brightness of the image",
|
|
-2.5, 2.5, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
|
|
|
/* ISO value */
|
|
g_object_interface_install_property (g_class,
|
|
g_param_spec_uint (GST_PHOTOGRAPHY_PROP_ISO_SPEED,
|
|
"ISO speed property",
|
|
"ISO speed defines the light sensitivity (0 = auto)",
|
|
0, 6400, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
|
|
|
/* Aperture */
|
|
g_object_interface_install_property (g_class,
|
|
g_param_spec_uint (GST_PHOTOGRAPHY_PROP_APERTURE,
|
|
"Aperture property",
|
|
"Aperture defines the size of lens opening (0 = auto)",
|
|
0, G_MAXUINT8, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
|
|
|
/* Exposure */
|
|
g_object_interface_install_property (g_class,
|
|
g_param_spec_uint (GST_PHOTOGRAPHY_PROP_EXPOSURE_TIME,
|
|
"Exposure time in milliseconds",
|
|
"Exposure time defines how long the shutter will stay open (0 = auto)",
|
|
0, G_MAXUINT32, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
|
|
|
/**
|
|
* GstPhotography:image-capture-supported-caps:
|
|
*
|
|
* Query caps that describe supported formats for image capture. Sometimes
|
|
* element may support different formats for image capture than for video
|
|
* streaming.
|
|
*/
|
|
g_object_interface_install_property (g_class,
|
|
g_param_spec_boxed (GST_PHOTOGRAPHY_PROP_IMAGE_CAPTURE_SUPPORTED_CAPS,
|
|
"Image capture supported caps",
|
|
"Caps describing supported image capture formats", GST_TYPE_CAPS,
|
|
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
|
|
|
|
/**
|
|
* GstPhotography:image-preview-supported-caps:
|
|
*
|
|
* Query caps that describe supported formats for preview image. Sometimes
|
|
* element may support different formats for preview image than for video
|
|
* streaming.
|
|
*/
|
|
g_object_interface_install_property (g_class,
|
|
g_param_spec_boxed (GST_PHOTOGRAPHY_PROP_IMAGE_PREVIEW_SUPPORTED_CAPS,
|
|
"Image preview supported caps",
|
|
"Caps describing supported image preview formats", GST_TYPE_CAPS,
|
|
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
|
|
|
|
/* Zoom */
|
|
g_object_interface_install_property (g_class,
|
|
g_param_spec_float (GST_PHOTOGRAPHY_PROP_ZOOM,
|
|
"Zoom property",
|
|
"How much the resulted image will be zoomed",
|
|
1.0f, 10.0f, 1.0f, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
|
|
|
/**
|
|
* GstPhotography:color-temperature:
|
|
*
|
|
* Color temperature parameter for manual white balance.
|
|
* Control color temperature in Kelvin units.
|
|
*/
|
|
g_object_interface_install_property (g_class,
|
|
g_param_spec_uint (GST_PHOTOGRAPHY_PROP_COLOR_TEMPERATURE,
|
|
"Color temperature in Kelvin units",
|
|
"Color temperature in Kelvin units for manual white balance",
|
|
0, G_MAXUINT, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
|
|
|
/**
|
|
* GstPhotography:white-point:
|
|
*
|
|
* White point parameter for manual white balance.
|
|
* Describes the color "white" as raw values.
|
|
*
|
|
* FIXME: check and document correct representation for white point
|
|
*/
|
|
g_object_interface_install_property (g_class,
|
|
g_param_spec_value_array (GST_PHOTOGRAPHY_PROP_WHITE_POINT,
|
|
"White point",
|
|
"Describe color white as raw values",
|
|
g_param_spec_uint ("raw-value", "Raw value",
|
|
"Raw value", 0, G_MAXUINT, 0,
|
|
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS),
|
|
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
|
|
|
/**
|
|
* GstPhotography:analog-gain:
|
|
*
|
|
* Linear multiplicative value how much amplification is applied to the signal
|
|
* before A-D conversion.
|
|
*/
|
|
g_object_interface_install_property (g_class,
|
|
g_param_spec_float (GST_PHOTOGRAPHY_PROP_ANALOG_GAIN,
|
|
"Analog gain applied to the sensor",
|
|
"Analog gain applied to the sensor",
|
|
1.0f, G_MAXFLOAT, 1.0f, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
|
|
|
/**
|
|
* GstPhotography:lens-focus:
|
|
*
|
|
* Manual changing of lens focus in diopter units.
|
|
* Intended use with GST_PHOTOGRAPHY_FOCUS_MODE_MANUAL focus mode, otherwise
|
|
* to be ignored.
|
|
*
|
|
*/
|
|
g_object_interface_install_property (g_class,
|
|
g_param_spec_float (GST_PHOTOGRAPHY_PROP_LENS_FOCUS,
|
|
"Manual lens focus",
|
|
"Focus point in diopter units",
|
|
0.0f, G_MAXFLOAT, 0.0f, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
|
|
|
/**
|
|
* GstPhotography:min-exposure-time:
|
|
*
|
|
* Minimum exposure time for automatic exposure mode.
|
|
*/
|
|
g_object_interface_install_property (g_class,
|
|
g_param_spec_uint (GST_PHOTOGRAPHY_PROP_MIN_EXPOSURE_TIME,
|
|
"Minimum exposure time",
|
|
"Minimum exposure time for automatic exposure mode",
|
|
0, G_MAXUINT, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
|
|
|
/**
|
|
* GstPhotography:max-exposure-time:
|
|
*
|
|
* Maximum exposure time for automatic exposure mode.
|
|
*/
|
|
g_object_interface_install_property (g_class,
|
|
g_param_spec_uint (GST_PHOTOGRAPHY_PROP_MAX_EXPOSURE_TIME,
|
|
"Maximum exposure time",
|
|
"Maximum exposure time for automatic exposure mode",
|
|
0, G_MAXUINT, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
|
|
|
/* Noise Reduction, Bayer an YCC noise reduction are enabled by default */
|
|
g_object_interface_install_property (g_class,
|
|
g_param_spec_flags (GST_PHOTOGRAPHY_PROP_NOISE_REDUCTION,
|
|
"Noise Reduction settings",
|
|
"Which noise reduction modes are enabled (0 = disabled)",
|
|
GST_TYPE_PHOTOGRAPHY_NOISE_REDUCTION,
|
|
0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
|
|
|
/* Exposure mode */
|
|
g_object_interface_install_property (g_class,
|
|
g_param_spec_enum (GST_PHOTOGRAPHY_PROP_EXPOSURE_MODE,
|
|
"Exposure mode property",
|
|
"Exposure mode to either automatic or manual",
|
|
GST_TYPE_PHOTOGRAPHY_EXPOSURE_MODE,
|
|
0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
|
}
|