author | hgs |
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changeset 20 | 7e3786c5ed27 |
parent 16 | 8e837d1bf446 |
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permissions | -rw-r--r-- |
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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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/* --- 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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#define GST_PARAM_CONTROLLABLE (1 << (G_PARAM_USER_SHIFT + 1)) |
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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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* Since: 0.10.23 |
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#define GST_PARAM_MUTABLE_READY (1 << (G_PARAM_USER_SHIFT + 2)) |
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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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* Since: 0.10.23 |
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#define GST_PARAM_MUTABLE_PAUSED (1 << (G_PARAM_USER_SHIFT + 3)) |
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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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* Since: 0.10.23 |
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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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#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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/* --- 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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