author | hgs |
Fri, 30 Apr 2010 19:11:56 -0500 | |
changeset 19 | 24ed0baaf8e5 |
parent 16 | 8e837d1bf446 |
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permissions | -rw-r--r-- |
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/* GStreamer |
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* Copyright (C) 2003 David A. Schleef <ds@schleef.org> |
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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_STRUCTURE_H__ |
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#define __GST_STRUCTURE_H__ |
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#include <gst/gstconfig.h> |
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#include <glib-object.h> |
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#include <gst/gstclock.h> |
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#include <gst/glib-compat.h> |
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G_BEGIN_DECLS |
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#define GST_TYPE_STRUCTURE (gst_structure_get_type ()) |
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#define GST_STRUCTURE(object) ((GstStructure *)(object)) |
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#define GST_IS_STRUCTURE(object) ((object) && (GST_STRUCTURE(object)->type == GST_TYPE_STRUCTURE)) |
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typedef struct _GstStructure GstStructure; |
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/** |
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* GstStructureForeachFunc: |
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* @field_id: the #GQuark of the field name |
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* @value: the #GValue of the field |
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* @user_data: user data |
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* |
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* A function that will be called in gst_structure_foreach(). The function may |
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* not modify @value. |
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* |
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* Returns: TRUE if the foreach operation should continue, FALSE if |
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* the foreach operation should stop with FALSE. |
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*/ |
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typedef gboolean (*GstStructureForeachFunc) (GQuark field_id, |
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const GValue * value, |
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gpointer user_data); |
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/** |
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* GstStructureMapFunc: |
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* @field_id: the #GQuark of the field name |
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* @value: the #GValue of the field |
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* @user_data: user data |
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* |
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* A function that will be called in gst_structure_map_in_place(). The function |
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* may modify @value. |
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* |
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* Returns: TRUE if the map operation should continue, FALSE if |
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* the map operation should stop with FALSE. |
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*/ |
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typedef gboolean (*GstStructureMapFunc) (GQuark field_id, |
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GValue * value, |
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gpointer user_data); |
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/** |
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* GstStructure: |
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* @type: the GType of a structure |
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* |
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* The GstStructure object. Most fields are private. |
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*/ |
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struct _GstStructure { |
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GType type; |
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/*< private >*/ |
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GQuark name; |
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/* owned by parent structure, NULL if no parent */ |
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gint *parent_refcount; |
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GArray *fields; |
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gpointer _gst_reserved; |
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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_structure_get_type (void); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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GstStructure * gst_structure_empty_new (const gchar * name); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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GstStructure * gst_structure_id_empty_new (GQuark quark); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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GstStructure * gst_structure_new (const gchar * name, |
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const gchar * firstfield, |
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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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GstStructure * gst_structure_new_valist (const gchar * name, |
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const gchar * firstfield, |
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va_list varargs); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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GstStructure * gst_structure_id_new (GQuark name_quark, |
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GQuark field_quark, |
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...); |
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#ifdef __SYMBIAN32__ |
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#endif |
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GstStructure * gst_structure_copy (const GstStructure *structure); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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void gst_structure_set_parent_refcount (GstStructure *structure, |
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gint *refcount); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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void gst_structure_free (GstStructure *structure); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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G_CONST_RETURN gchar * gst_structure_get_name (const GstStructure *structure); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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GQuark gst_structure_get_name_id (const GstStructure *structure); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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gboolean gst_structure_has_name (const GstStructure *structure, |
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const gchar *name); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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void gst_structure_set_name (GstStructure *structure, |
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const gchar *name); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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void gst_structure_id_set_value (GstStructure *structure, |
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GQuark field, |
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const GValue *value); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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void gst_structure_set_value (GstStructure *structure, |
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const gchar *fieldname, |
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const GValue *value); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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void gst_structure_set (GstStructure *structure, |
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const gchar *fieldname, |
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...) G_GNUC_NULL_TERMINATED; |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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void gst_structure_set_valist (GstStructure *structure, |
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const gchar *fieldname, |
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va_list varargs); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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void gst_structure_id_set (GstStructure *structure, |
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GQuark fieldname, |
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...) G_GNUC_NULL_TERMINATED; |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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void gst_structure_id_set_valist (GstStructure *structure, |
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GQuark fieldname, |
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va_list varargs); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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16 | 215 |
gboolean gst_structure_get_valist (GstStructure *structure, |
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const char *first_fieldname, |
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va_list args); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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220 |
#endif |
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221 |
||
222 |
||
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gboolean gst_structure_get (GstStructure *structure, |
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const char *first_fieldname, |
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...) G_GNUC_NULL_TERMINATED; |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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||
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gboolean gst_structure_id_get_valist (GstStructure *structure, |
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GQuark first_field_id, |
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va_list args); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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gboolean gst_structure_id_get (GstStructure *structure, |
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GQuark first_field_id, |
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G_CONST_RETURN GValue * gst_structure_id_get_value (const GstStructure *structure, |
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GQuark field); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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G_CONST_RETURN GValue * gst_structure_get_value (const GstStructure *structure, |
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const gchar *fieldname); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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void gst_structure_remove_field (GstStructure *structure, |
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const gchar *fieldname); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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void gst_structure_remove_fields (GstStructure *structure, |
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const gchar *fieldname, |
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...) G_GNUC_NULL_TERMINATED; |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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void gst_structure_remove_fields_valist (GstStructure *structure, |
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const gchar *fieldname, |
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va_list varargs); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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void gst_structure_remove_all_fields (GstStructure *structure); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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GType gst_structure_get_field_type (const GstStructure *structure, |
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const gchar *fieldname); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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gboolean gst_structure_foreach (const GstStructure *structure, |
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GstStructureForeachFunc func, |
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gpointer user_data); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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gboolean gst_structure_map_in_place (GstStructure *structure, |
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GstStructureMapFunc func, |
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gpointer user_data); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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gint gst_structure_n_fields (const GstStructure *structure); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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|
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const gchar * gst_structure_nth_field_name (const GstStructure *structure, guint index); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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gboolean gst_structure_has_field (const GstStructure *structure, |
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const gchar *fieldname); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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gboolean gst_structure_has_field_typed (const GstStructure *structure, |
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const gchar *fieldname, |
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GType type); |
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/* utility functions */ |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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gboolean gst_structure_get_boolean (const GstStructure *structure, |
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const gchar *fieldname, |
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gboolean *value); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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gboolean gst_structure_get_int (const GstStructure *structure, |
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const gchar *fieldname, |
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gint *value); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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gboolean gst_structure_get_uint (const GstStructure *structure, |
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const gchar *fieldname, |
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guint *value); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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|
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gboolean gst_structure_get_fourcc (const GstStructure *structure, |
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const gchar *fieldname, |
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guint32 *value); |
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#ifdef __SYMBIAN32__ |
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355 |
IMPORT_C |
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#endif |
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|
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gboolean gst_structure_get_double (const GstStructure *structure, |
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const gchar *fieldname, |
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gdouble *value); |
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#ifdef __SYMBIAN32__ |
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362 |
IMPORT_C |
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363 |
#endif |
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|
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gboolean gst_structure_get_date (const GstStructure *structure, |
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const gchar *fieldname, |
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GDate **value); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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371 |
|
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gboolean gst_structure_get_clock_time (const GstStructure *structure, |
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const gchar *fieldname, |
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GstClockTime *value); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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|
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G_CONST_RETURN gchar * gst_structure_get_string (const GstStructure *structure, |
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const gchar *fieldname); |
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#ifdef __SYMBIAN32__ |
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382 |
IMPORT_C |
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#endif |
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|
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gboolean gst_structure_get_enum (const GstStructure *structure, |
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const gchar *fieldname, |
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GType enumtype, |
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gint *value); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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|
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gboolean gst_structure_get_fraction (const GstStructure *structure, |
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const gchar *fieldname, |
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gint *value_numerator, |
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gint *value_denominator); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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|
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|
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gchar * gst_structure_to_string (const GstStructure *structure); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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|
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GstStructure * gst_structure_from_string (const gchar *string, |
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gchar **end); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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|
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|
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gboolean gst_structure_fixate_field_nearest_int (GstStructure *structure, |
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const char *field_name, |
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int target); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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|
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gboolean gst_structure_fixate_field_nearest_double (GstStructure *structure, |
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const char *field_name, |
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double target); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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|
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|
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gboolean gst_structure_fixate_field_boolean (GstStructure *structure, |
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const char *field_name, |
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gboolean target); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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|
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gboolean gst_structure_fixate_field_nearest_fraction (GstStructure *structure, |
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const char *field_name, |
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const gint target_numerator, |
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const gint target_denominator); |
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|
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G_END_DECLS |
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|
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#endif |
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444 |