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8983cce9f6
We need different export decorators for the different libs. For now no actual change though, just rename before the release, and add prelude headers to define the new decorator to GST_EXPORT.
154 lines
4.8 KiB
C
154 lines
4.8 KiB
C
/* GStreamer - GParamSpecs for some of our types
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* Copyright (C) 2007 Tim-Philipp Müller <tim centricular net>
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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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#ifndef __GST_PARAMSPECS_H__
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#define __GST_PARAMSPECS_H__
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#include <gst/gstvalue.h>
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G_BEGIN_DECLS
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/* --- paramspec flags */
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/**
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* GST_PARAM_CONTROLLABLE:
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*
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* Use this flag on GObject properties to signal they can make sense to be.
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* controlled over time. This hint is used by the GstController.
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*/
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#define GST_PARAM_CONTROLLABLE (1 << (G_PARAM_USER_SHIFT + 1))
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/**
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* GST_PARAM_MUTABLE_READY:
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*
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* Use this flag on GObject properties of GstElements to indicate that
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* they can be changed when the element is in the READY or lower state.
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*/
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#define GST_PARAM_MUTABLE_READY (1 << (G_PARAM_USER_SHIFT + 2))
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/**
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* GST_PARAM_MUTABLE_PAUSED:
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*
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* Use this flag on GObject properties of GstElements to indicate that
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* they can be changed when the element is in the PAUSED or lower state.
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* This flag implies GST_PARAM_MUTABLE_READY.
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*/
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#define GST_PARAM_MUTABLE_PAUSED (1 << (G_PARAM_USER_SHIFT + 3))
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/**
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* GST_PARAM_MUTABLE_PLAYING:
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*
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* Use this flag on GObject properties of GstElements to indicate that
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* they can be changed when the element is in the PLAYING or lower state.
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* This flag implies GST_PARAM_MUTABLE_PAUSED.
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*/
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#define GST_PARAM_MUTABLE_PLAYING (1 << (G_PARAM_USER_SHIFT + 4))
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/**
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* GST_PARAM_USER_SHIFT:
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*
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* Bits based on GST_PARAM_USER_SHIFT can be used by 3rd party applications.
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*/
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#define GST_PARAM_USER_SHIFT (1 << (G_PARAM_USER_SHIFT + 8))
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/* --- type macros --- */
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#define GST_TYPE_PARAM_FRACTION (gst_param_spec_fraction_get_type ())
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#define GST_IS_PARAM_SPEC_FRACTION(pspec) (G_TYPE_CHECK_INSTANCE_TYPE ((pspec), GST_TYPE_PARAM_FRACTION))
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#define GST_PARAM_SPEC_FRACTION(pspec) (G_TYPE_CHECK_INSTANCE_CAST ((pspec), GST_TYPE_PARAM_FRACTION, GstParamSpecFraction))
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#define GST_TYPE_PARAM_ARRAY_LIST (gst_param_spec_array_get_type ())
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#define GST_IS_PARAM_SPEC_ARRAY_LIST(pspec) (G_TYPE_CHECK_INSTANCE_TYPE ((pspec), GST_TYPE_PARAM_ARRAY_LIST))
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#define GST_PARAM_SPEC_ARRAY_LIST(pspec) (G_TYPE_CHECK_INSTANCE_CAST ((pspec), GST_TYPE_PARAM_ARRAY_LIST, GstParamSpecArray))
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/* --- get_type functions --- */
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GST_API
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GType gst_param_spec_fraction_get_type (void);
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GST_API
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GType gst_param_spec_array_get_type (void);
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/* --- typedefs & structures --- */
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typedef struct _GstParamSpecFraction GstParamSpecFraction;
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typedef struct _GstParamSpecArray GstParamSpecArray;
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/**
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* GstParamSpecFraction:
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* @parent_instance: super class
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* @min_num: minimal numerator
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* @min_den: minimal denominator
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* @max_num: maximal numerator
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* @max_den: maximal denominator
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* @def_num: default numerator
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* @def_den: default denominator
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*
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* A GParamSpec derived structure that contains the meta data for fractional
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* properties.
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*/
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struct _GstParamSpecFraction {
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GParamSpec parent_instance;
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gint min_num, min_den;
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gint max_num, max_den;
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gint def_num, def_den;
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};
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/**
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* GstParamSpecArray:
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* @parent_instance: super class
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* @value_array: the array of values
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*
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* A GParamSpec derived structure that contains the meta data for fractional
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* properties.
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*/
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struct _GstParamSpecArray {
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GParamSpec parent_instance;
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GParamSpec * element_spec;
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};
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/* --- GParamSpec prototypes --- */
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GST_API
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GParamSpec * gst_param_spec_fraction (const gchar * name,
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const gchar * nick,
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const gchar * blurb,
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gint min_num, gint min_denom,
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gint max_num, gint max_denom,
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gint default_num, gint default_denom,
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GParamFlags flags) G_GNUC_MALLOC;
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GST_API
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GParamSpec * gst_param_spec_array (const gchar * name,
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const gchar * nick,
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const gchar * blurb,
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GParamSpec * element_spec,
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GParamFlags flags) G_GNUC_MALLOC;
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G_END_DECLS
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#endif /* __GST_PARAMSPECS_H__ */
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