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_single (const gchar *feature) G_GNUC_MALLOC; 62 63 GST_API 64 GstCapsFeatures * gst_caps_features_new (const gchar *feature1, ...) G_GNUC_NULL_TERMINATED; 65 66 GST_API 67 GstCapsFeatures * gst_caps_features_new_valist (const gchar *feature1, va_list varargs); 68 69 GST_API 70 GstCapsFeatures * gst_caps_features_new_id (GQuark feature1, ...); 71 72 GST_API 73 GstCapsFeatures * gst_caps_features_new_id_valist (GQuark feature1, va_list varargs); 74 75 GST_API 76 gboolean gst_caps_features_set_parent_refcount (GstCapsFeatures *features, gint * refcount); 77 78 GST_API 79 GstCapsFeatures * gst_caps_features_copy (const GstCapsFeatures * features); 80 81 GST_API 82 void gst_caps_features_free (GstCapsFeatures * features); 83 84 GST_API 85 gchar * gst_caps_features_to_string (const GstCapsFeatures * features); 86 87 GST_API 88 GstCapsFeatures * gst_caps_features_from_string (const gchar * features); 89 90 GST_API 91 guint gst_caps_features_get_size (const GstCapsFeatures * features); 92 93 GST_API 94 const gchar * gst_caps_features_get_nth (const GstCapsFeatures * features, guint i); 95 96 GST_API 97 GQuark gst_caps_features_get_nth_id (const GstCapsFeatures * features, guint i); 98 99 GST_API 100 gboolean gst_caps_features_contains (const GstCapsFeatures * features, const gchar * feature); 101 102 GST_API 103 gboolean gst_caps_features_contains_id (const GstCapsFeatures * features, GQuark feature); 104 105 GST_API 106 gboolean gst_caps_features_is_equal (const GstCapsFeatures * features1, const GstCapsFeatures * features2); 107 108 GST_API 109 gboolean gst_caps_features_is_any (const GstCapsFeatures * features); 110 111 GST_API 112 void gst_caps_features_add (GstCapsFeatures * features, const gchar * feature); 113 114 GST_API 115 void gst_caps_features_add_id ( GstCapsFeatures * features, GQuark feature); 116 117 GST_API 118 void gst_caps_features_remove (GstCapsFeatures * features, const gchar * feature); 119 120 GST_API 121 void gst_caps_features_remove_id (GstCapsFeatures * features, GQuark feature); 122 123 G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstCapsFeatures, gst_caps_features_free) 124 125 G_END_DECLS 126 127 #endif /* __GST_CAPS_FEATURES_H__ */ 128