1 /* GStreamer
2  * Copyright (C) 2013 Collabora Ltd.
3  *   Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Library General Public
7  * License as published by the Free Software Foundation; either
8  * version 2 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  * Library General Public License for more details.
14  *
15  * You should have received a copy of the GNU Library General Public
16  * License along with this library; if not, write to the
17  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
18  * Boston, MA 02110-1301, USA.
19  */
20 
21 #ifndef __GST_CAPS_FEATURES_H__
22 #define __GST_CAPS_FEATURES_H__
23 
24 #include <gst/gstconfig.h>
25 #include <gst/glib-compat.h>
26 #include <glib-object.h>
27 #include <glib.h>
28 
29 G_BEGIN_DECLS
30 
31 typedef struct _GstCapsFeatures GstCapsFeatures;
32 
33 GST_API GType _gst_caps_features_type;
34 
35 #define GST_TYPE_CAPS_FEATURES (_gst_caps_features_type)
36 #define GST_IS_CAPS_FEATURES(object)       (gst_is_caps_features(object))
37 #define GST_CAPS_FEATURES_CAST(object)     ((GstCapsFeatures *)(object))
38 #define GST_CAPS_FEATURES(object)          (GST_CAPS_FEATURES_CAST(object))
39 
40 #define GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY "memory:SystemMemory"
41 
42 GST_API GstCapsFeatures *_gst_caps_features_any;
43 #define GST_CAPS_FEATURES_ANY (_gst_caps_features_any)
44 
45 GST_API GstCapsFeatures *_gst_caps_features_memory_system_memory;
46 #define GST_CAPS_FEATURES_MEMORY_SYSTEM_MEMORY (_gst_caps_features_memory_system_memory)
47 
48 GST_API
49 GType             gst_caps_features_get_type (void);
50 
51 GST_API
52 gboolean          gst_is_caps_features (gconstpointer obj);
53 
54 GST_API
55 GstCapsFeatures * gst_caps_features_new_empty (void);
56 
57 GST_API
58 GstCapsFeatures * gst_caps_features_new_any (void);
59 
60 GST_API
61 GstCapsFeatures * gst_caps_features_new (const gchar *feature1, ...);
62 
63 GST_API
64 GstCapsFeatures * gst_caps_features_new_valist (const gchar *feature1, va_list varargs);
65 
66 GST_API
67 GstCapsFeatures * gst_caps_features_new_id (GQuark feature1, ...);
68 
69 GST_API
70 GstCapsFeatures * gst_caps_features_new_id_valist (GQuark feature1, va_list varargs);
71 
72 GST_API
73 gboolean          gst_caps_features_set_parent_refcount  (GstCapsFeatures *features, gint * refcount);
74 
75 GST_API
76 GstCapsFeatures * gst_caps_features_copy (const GstCapsFeatures * features);
77 
78 GST_API
79 void              gst_caps_features_free (GstCapsFeatures * features);
80 
81 GST_API
82 gchar *           gst_caps_features_to_string (const GstCapsFeatures * features);
83 
84 GST_API
85 GstCapsFeatures * gst_caps_features_from_string (const gchar * features);
86 
87 GST_API
88 guint             gst_caps_features_get_size (const GstCapsFeatures * features);
89 
90 GST_API
91 const gchar *     gst_caps_features_get_nth (const GstCapsFeatures * features, guint i);
92 
93 GST_API
94 GQuark            gst_caps_features_get_nth_id (const GstCapsFeatures * features, guint i);
95 
96 GST_API
97 gboolean          gst_caps_features_contains (const GstCapsFeatures * features, const gchar * feature);
98 
99 GST_API
100 gboolean          gst_caps_features_contains_id (const GstCapsFeatures * features, GQuark feature);
101 
102 GST_API
103 gboolean          gst_caps_features_is_equal (const GstCapsFeatures * features1, const GstCapsFeatures * features2);
104 
105 GST_API
106 gboolean          gst_caps_features_is_any (const GstCapsFeatures * features);
107 
108 GST_API
109 void              gst_caps_features_add (GstCapsFeatures * features, const gchar * feature);
110 
111 GST_API
112 void              gst_caps_features_add_id ( GstCapsFeatures * features, GQuark feature);
113 
114 GST_API
115 void              gst_caps_features_remove (GstCapsFeatures * features, const gchar * feature);
116 
117 GST_API
118 void              gst_caps_features_remove_id (GstCapsFeatures * features, GQuark feature);
119 
120 #ifdef G_DEFINE_AUTOPTR_CLEANUP_FUNC
121 G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstCapsFeatures, gst_caps_features_free)
122 #endif
123 
124 G_END_DECLS
125 
126 #endif /* __GST_CAPS_FEATURES_H__ */
127