gstreamer_core/gst/gstparamspecs.h
author Pat Downey <patd@symbian.org>
Wed, 01 Sep 2010 12:16:41 +0100
branchRCL_3
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Revert incorrect RCL_3 drop: Revision: 201010 Kit: 201035
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/* GStreamer - GParamSpecs for 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., 59 Temple Place - Suite 330,
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 * Boston, MA 02111-1307, 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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/* --- 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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/* --- get_type functions --- */
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#ifdef __SYMBIAN32__
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IMPORT_C
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#endif
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GType  gst_param_spec_fraction_get_type (void);
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/* --- typedefs & structures --- */
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typedef struct _GstParamSpecFraction GstParamSpecFraction;
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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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/* --- GParamSpec prototypes --- */
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#ifdef __SYMBIAN32__
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IMPORT_C
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#endif
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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);
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G_END_DECLS
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#endif /* __GST_PARAMSPECS_H__ */
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