2 * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
3 * 2000 Wim Taymans <wtay@chello.be>
5 * gst_private.h: Private header for within libgst
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
17 * You should have received a copy of the GNU Library General Public
18 * License along with this library; if not, write to the
19 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 * Boston, MA 02111-1307, USA.
23 #ifndef __GST_PRIVATE_H__
24 #define __GST_PRIVATE_H__
27 # ifndef GST_LICENSE /* don't include config.h twice, it has no guards */
32 /* This needs to be before glib.h, since it might be used in inline
34 extern const char g_log_domain_gstreamer[];
41 /* Needed for GstRegistry * */
42 #include "gstregistry.h"
43 #include "gststructure.h"
45 /* we need this in pretty much all files */
48 /* for the flags in the GstPluginDep structure below */
49 #include "gstplugin.h"
51 /* for the pad cache */
55 #include "gstelement.h"
59 /* used by gstparse.c and grammar.y */
60 struct _GstParseContext {
61 GList * missing_elements;
64 /* used by gstplugin.c and gstregistrybinary.c */
66 /* details registered via gst_plugin_add_dependency() */
67 GstPluginDependencyFlags flags;
72 /* information saved from the last time the plugin was loaded (-1 = unset) */
73 guint env_hash; /* hash of content of environment variables in env_vars */
74 guint stat_hash; /* hash of stat() on all relevant files and directories */
77 struct _GstPluginPrivate {
78 GList *deps; /* list of GstPluginDep structures */
79 GstStructure *cache_data;
82 /* FIXME: could rename all priv_gst_* functions to __gst_* now */
83 gboolean priv_gst_plugin_loading_have_whitelist (void);
85 guint32 priv_gst_plugin_loading_get_whitelist_hash (void);
87 gboolean priv_gst_plugin_desc_is_whitelisted (GstPluginDesc * desc,
88 const gchar * filename);
90 gboolean _priv_plugin_deps_env_vars_changed (GstPlugin * plugin);
91 gboolean _priv_plugin_deps_files_changed (GstPlugin * plugin);
93 gboolean _priv_gst_in_valgrind (void);
95 /* init functions called from gst_init(). */
96 void _priv_gst_quarks_initialize (void);
97 void _priv_gst_buffer_initialize (void);
98 void _priv_gst_buffer_list_initialize (void);
99 void _priv_gst_structure_initialize (void);
100 void _priv_gst_caps_initialize (void);
101 void _priv_gst_event_initialize (void);
102 void _priv_gst_format_initialize (void);
103 void _priv_gst_message_initialize (void);
104 void _priv_gst_memory_initialize (void);
105 void _priv_gst_meta_initialize (void);
106 void _priv_gst_plugin_initialize (void);
107 void _priv_gst_query_initialize (void);
108 void _priv_gst_sample_initialize (void);
109 void _priv_gst_tag_initialize (void);
110 void _priv_gst_value_initialize (void);
111 void _priv_gst_debug_init (void);
113 /* Private registry functions */
114 gboolean _priv_gst_registry_remove_cache_plugins (GstRegistry *registry);
115 void _priv_gst_registry_cleanup (void);
116 gboolean _gst_plugin_loader_client_run (void);
118 /* Used in GstBin for manual state handling */
119 void _priv_gst_element_state_changed (GstElement *element, GstState oldstate,
120 GstState newstate, GstState pending);
122 /* used in both gststructure.c and gstcaps.c; numbers are completely made up */
123 #define STRUCTURE_ESTIMATED_STRING_LEN(s) (16 + gst_structure_n_fields(s) * 22)
125 gboolean priv_gst_structure_append_to_gstring (const GstStructure * structure,
127 /* registry cache backends */
128 gboolean priv_gst_registry_binary_read_cache (GstRegistry * registry, const char *location);
129 gboolean priv_gst_registry_binary_write_cache (GstRegistry * registry, GList * plugins, const char *location);
131 void __gst_element_factory_add_static_pad_template (GstElementFactory * elementfactory,
132 GstStaticPadTemplate * templ);
134 void __gst_element_factory_add_interface (GstElementFactory * elementfactory,
135 const gchar * interfacename);
137 /* used in gstvalue.c and gststructure.c */
138 #define GST_ASCII_IS_STRING(c) (g_ascii_isalnum((c)) || ((c) == '_') || \
139 ((c) == '-') || ((c) == '+') || ((c) == '/') || ((c) == ':') || \
142 /* This is only meant for internal uses */
143 gint priv_gst_date_time_compare (gconstpointer dt1, gconstpointer dt2);
145 #ifndef GST_DISABLE_REGISTRY
146 /* Secret variable to initialise gst without registry cache */
147 GST_EXPORT gboolean _gst_disable_registry_cache;
150 /* provide inline gst_g_value_get_foo_unchecked(), used in gststructure.c */
151 #define DEFINE_INLINE_G_VALUE_GET_UNCHECKED(ret_type,name_type,v_field) \
152 static inline ret_type \
153 gst_g_value_get_##name_type##_unchecked (const GValue *value) \
155 return value->data[0].v_field; \
158 DEFINE_INLINE_G_VALUE_GET_UNCHECKED(gboolean,boolean,v_int)
159 DEFINE_INLINE_G_VALUE_GET_UNCHECKED(gint,int,v_int)
160 DEFINE_INLINE_G_VALUE_GET_UNCHECKED(guint,uint,v_uint)
161 DEFINE_INLINE_G_VALUE_GET_UNCHECKED(gint64,int64,v_int64)
162 DEFINE_INLINE_G_VALUE_GET_UNCHECKED(guint64,uint64,v_uint64)
163 DEFINE_INLINE_G_VALUE_GET_UNCHECKED(gfloat,float,v_float)
164 DEFINE_INLINE_G_VALUE_GET_UNCHECKED(gdouble,double,v_double)
165 DEFINE_INLINE_G_VALUE_GET_UNCHECKED(const gchar *,string,v_pointer)
168 /*** debugging categories *****************************************************/
170 #ifndef GST_REMOVE_GST_DEBUG
172 GST_EXPORT GstDebugCategory *GST_CAT_GST_INIT;
173 GST_EXPORT GstDebugCategory *GST_CAT_AUTOPLUG; /* FIXME 0.11: remove? */
174 GST_EXPORT GstDebugCategory *GST_CAT_AUTOPLUG_ATTEMPT; /* FIXME 0.11: remove? */
175 GST_EXPORT GstDebugCategory *GST_CAT_PARENTAGE;
176 GST_EXPORT GstDebugCategory *GST_CAT_STATES;
177 GST_EXPORT GstDebugCategory *GST_CAT_SCHEDULING;
178 GST_EXPORT GstDebugCategory *GST_CAT_BUFFER;
179 GST_EXPORT GstDebugCategory *GST_CAT_BUFFER_LIST;
180 GST_EXPORT GstDebugCategory *GST_CAT_BUS;
181 GST_EXPORT GstDebugCategory *GST_CAT_CAPS;
182 GST_EXPORT GstDebugCategory *GST_CAT_CLOCK;
183 GST_EXPORT GstDebugCategory *GST_CAT_ELEMENT_PADS;
184 GST_EXPORT GstDebugCategory *GST_CAT_PADS;
185 GST_EXPORT GstDebugCategory *GST_CAT_PERFORMANCE;
186 GST_EXPORT GstDebugCategory *GST_CAT_PIPELINE;
187 GST_EXPORT GstDebugCategory *GST_CAT_PLUGIN_LOADING;
188 GST_EXPORT GstDebugCategory *GST_CAT_PLUGIN_INFO;
189 GST_EXPORT GstDebugCategory *GST_CAT_PROPERTIES;
190 GST_EXPORT GstDebugCategory *GST_CAT_NEGOTIATION;
191 GST_EXPORT GstDebugCategory *GST_CAT_REFCOUNTING;
192 GST_EXPORT GstDebugCategory *GST_CAT_ERROR_SYSTEM;
193 GST_EXPORT GstDebugCategory *GST_CAT_EVENT;
194 GST_EXPORT GstDebugCategory *GST_CAT_MESSAGE;
195 GST_EXPORT GstDebugCategory *GST_CAT_PARAMS;
196 GST_EXPORT GstDebugCategory *GST_CAT_CALL_TRACE;
197 GST_EXPORT GstDebugCategory *GST_CAT_SIGNAL;
198 GST_EXPORT GstDebugCategory *GST_CAT_PROBE;
199 GST_EXPORT GstDebugCategory *GST_CAT_REGISTRY;
200 GST_EXPORT GstDebugCategory *GST_CAT_QOS;
201 GST_EXPORT GstDebugCategory *GST_CAT_TYPES; /* FIXME 0.11: remove? */
203 /* Categories that should be completely private to
204 * libgstreamer should be done like this: */
205 #define GST_CAT_POLL _priv_GST_CAT_POLL
206 extern GstDebugCategory *_priv_GST_CAT_POLL;
210 #define GST_CAT_GST_INIT NULL
211 #define GST_CAT_AUTOPLUG NULL
212 #define GST_CAT_AUTOPLUG_ATTEMPT NULL
213 #define GST_CAT_PARENTAGE NULL
214 #define GST_CAT_STATES NULL
215 #define GST_CAT_SCHEDULING NULL
216 #define GST_CAT_DATAFLOW NULL
217 #define GST_CAT_BUFFER NULL
218 #define GST_CAT_BUFFER_LIST NULL
219 #define GST_CAT_BUS NULL
220 #define GST_CAT_CAPS NULL
221 #define GST_CAT_CLOCK NULL
222 #define GST_CAT_ELEMENT_PADS NULL
223 #define GST_CAT_PADS NULL
224 #define GST_CAT_PERFORMANCE NULL
225 #define GST_CAT_PIPELINE NULL
226 #define GST_CAT_PLUGIN_LOADING NULL
227 #define GST_CAT_PLUGIN_INFO NULL
228 #define GST_CAT_PROPERTIES NULL
229 #define GST_CAT_NEGOTIATION NULL
230 #define GST_CAT_REFCOUNTING NULL
231 #define GST_CAT_ERROR_SYSTEM NULL
232 #define GST_CAT_EVENT NULL
233 #define GST_CAT_MESSAGE NULL
234 #define GST_CAT_PARAMS NULL
235 #define GST_CAT_CALL_TRACE NULL
236 #define GST_CAT_SIGNAL NULL
237 #define GST_CAT_PROBE NULL
238 #define GST_CAT_REGISTRY NULL
239 #define GST_CAT_QOS NULL
240 #define GST_CAT_TYPES NULL
241 #define GST_CAT_POLL NULL
247 #endif /* __GST_PRIVATE_H__ */