gst/gstcapsfeatures.h

   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
  27 G_BEGIN_DECLS
  28
  29 typedef struct _GstCapsFeatures GstCapsFeatures;
  30
  31 GST_EXPORT GType _gst_caps_features_type;
  32
  33 #define GST_TYPE_CAPS_FEATURES (_gst_caps_features_type)
  34 #define GST_IS_CAPS_FEATURES(object)       (gst_is_caps_features(object))
  35 #define GST_CAPS_FEATURES_CAST(object)     ((GstCapsFeatures *)(object))
  36 #define GST_CAPS_FEATURES(object)          (GST_CAPS_FEATURES_CAST(object))
  37
  38 #define GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY "memory:SystemMemory"
  39
  40 GST_EXPORT GstCapsFeatures *_gst_caps_features_any;
  41 #define GST_CAPS_FEATURES_ANY (_gst_caps_features_any)
  42
  43 GST_EXPORT GstCapsFeatures *_gst_caps_features_memory_system_memory;
  44 #define GST_CAPS_FEATURES_MEMORY_SYSTEM_MEMORY (_gst_caps_features_memory_system_memory)
  45
  46 GType             gst_caps_features_get_type (void);
  47 gboolean          gst_is_caps_features (gconstpointer obj);
  48
  49 GstCapsFeatures * gst_caps_features_new_empty (void);
  50 GstCapsFeatures * gst_caps_features_new_any (void);
  51 GstCapsFeatures * gst_caps_features_new (const gchar *feature1, ...);
  52 GstCapsFeatures * gst_caps_features_new_valist (const gchar *feature1, va_list varargs);
  53 GstCapsFeatures * gst_caps_features_new_id (GQuark feature1, ...);
  54 GstCapsFeatures * gst_caps_features_new_id_valist (GQuark feature1, va_list varargs);
  55
  56 gboolean          gst_caps_features_set_parent_refcount  (GstCapsFeatures *features, gint * refcount);
  57
  58 GstCapsFeatures * gst_caps_features_copy (const GstCapsFeatures * features);
  59 void              gst_caps_features_free (GstCapsFeatures * features);
  60
  61 gchar *           gst_caps_features_to_string (const GstCapsFeatures * features);
  62 GstCapsFeatures * gst_caps_features_from_string (const gchar * features);
  63
  64 guint             gst_caps_features_get_size (const GstCapsFeatures * features);
  65 const gchar *     gst_caps_features_get_nth (const GstCapsFeatures * features, guint i);
  66 GQuark            gst_caps_features_get_nth_id (const GstCapsFeatures * features, guint i);
  67
  68 gboolean          gst_caps_features_contains (const GstCapsFeatures * features, const gchar * feature);
  69 gboolean          gst_caps_features_contains_id (const GstCapsFeatures * features, GQuark feature);
  70 gboolean          gst_caps_features_is_equal (const GstCapsFeatures * features1, const GstCapsFeatures * features2);
  71
  72 gboolean          gst_caps_features_is_any (const GstCapsFeatures * features);
  73
  74 void              gst_caps_features_add (GstCapsFeatures * features, const gchar * feature);
  75 void              gst_caps_features_add_id ( GstCapsFeatures * features, GQuark feature);
  76
  77 void              gst_caps_features_remove (GstCapsFeatures * features, const gchar * feature);
  78 void              gst_caps_features_remove_id (GstCapsFeatures * features, GQuark feature);
  79
  80 G_END_DECLS
  81
  82 #endif /* __GST_CAPS_FEATURES_H__ */