author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 31 Aug 2010 15:30:33 +0300 | |
branch | RCL_3 |
changeset 29 | 567bb019e3e3 |
parent 0 | 0e761a78d257 |
child 30 | 7e817e7e631c |
permissions | -rw-r--r-- |
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/* GStreamer PropertyProbe |
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* Copyright (C) 2003 David A. Schleef <ds@schleef.org> |
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* |
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* property_probe.h: property_probe interface design |
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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_PROPERTY_PROBE_H__ |
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#define __GST_PROPERTY_PROBE_H__ |
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#include <gst/gst.h> |
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G_BEGIN_DECLS |
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#define GST_TYPE_PROPERTY_PROBE \ |
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(gst_property_probe_get_type ()) |
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#define GST_PROPERTY_PROBE(obj) \ |
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(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_PROPERTY_PROBE, GstPropertyProbe)) |
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#define GST_IS_PROPERTY_PROBE(obj) \ |
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(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_PROPERTY_PROBE)) |
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#define GST_PROPERTY_PROBE_GET_IFACE(obj) \ |
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(G_TYPE_INSTANCE_GET_INTERFACE ((obj), GST_TYPE_PROPERTY_PROBE, GstPropertyProbeInterface)) |
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/** |
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* GstPropertyProbe: |
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* |
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* Opaque #GstPropertyProbe data structure. |
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*/ |
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typedef struct _GstPropertyProbe GstPropertyProbe; /* dummy typedef */ |
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typedef struct _GstPropertyProbeInterface GstPropertyProbeInterface; |
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/** |
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* GstPropertyProbeInterface: |
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* @klass: parent interface type. |
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* @probe_needed: default signal handler |
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* @get_properties: virtual method to get list of probable properties |
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* @needs_probe: virtual method to tell if probe need update |
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* @probe_property: virtual method to probe a property |
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* @get_values: virtual method to get probe results for a property |
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* |
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* #GstPropertyProbe interface. |
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*/ |
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struct _GstPropertyProbeInterface { |
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GTypeInterface klass; |
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/* signals */ |
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void (*probe_needed) (GstPropertyProbe *probe, |
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const GParamSpec *pspec); |
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/* virtual functions */ |
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const GList * (*get_properties) (GstPropertyProbe *probe); |
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gboolean (*needs_probe) (GstPropertyProbe *probe, |
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guint prop_id, |
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const GParamSpec *pspec); |
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void (*probe_property) (GstPropertyProbe *probe, |
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guint prop_id, |
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const GParamSpec *pspec); |
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GValueArray * (*get_values) (GstPropertyProbe *probe, |
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guint prop_id, |
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const GParamSpec *pspec); |
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/*< private >*/ |
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gpointer _gst_reserved[GST_PADDING]; |
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}; |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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GType gst_property_probe_get_type (void); |
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/* virtual class function wrappers */ |
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/* returns list of GParamSpecs */ |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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const GList * gst_property_probe_get_properties (GstPropertyProbe *probe); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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const GParamSpec *gst_property_probe_get_property (GstPropertyProbe *probe, |
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const gchar *name); |
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/* probe one property */ |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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void gst_property_probe_probe_property (GstPropertyProbe *probe, |
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const GParamSpec *pspec); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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void gst_property_probe_probe_property_name (GstPropertyProbe *probe, |
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const gchar *name); |
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/* do we need a probe? */ |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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gboolean gst_property_probe_needs_probe (GstPropertyProbe *probe, |
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const GParamSpec *pspec); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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gboolean gst_property_probe_needs_probe_name (GstPropertyProbe *probe, |
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const gchar *name); |
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/* returns list of GValues */ |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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GValueArray * gst_property_probe_get_values (GstPropertyProbe *probe, |
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const GParamSpec *pspec); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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GValueArray * gst_property_probe_get_values_name (GstPropertyProbe *probe, |
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const gchar *name); |
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/* sugar */ |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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GValueArray * gst_property_probe_probe_and_get_values (GstPropertyProbe *probe, |
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const GParamSpec *pspec); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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GValueArray * gst_property_probe_probe_and_get_values_name (GstPropertyProbe *probe, |
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const gchar *name); |
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G_END_DECLS |
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#endif /* __GST_PROPERTY_PROBE_H__ */ |