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 */
56 /* used by gstparse.c and grammar.y */
57 struct _GstParseContext {
58 GList * missing_elements;
61 /* used by gstplugin.c and gstregistrybinary.c */
63 /* details registered via gst_plugin_add_dependency() */
64 GstPluginDependencyFlags flags;
69 /* information saved from the last time the plugin was loaded (-1 = unset) */
70 guint env_hash; /* hash of content of environment variables in env_vars */
71 guint stat_hash; /* hash of stat() on all relevant files and directories */
74 struct _GstPluginPrivate {
75 GList *deps; /* list of GstPluginDep structures */
76 GstStructure *cache_data;
79 gboolean priv_gst_plugin_loading_have_whitelist (void);
81 guint32 priv_gst_plugin_loading_get_whitelist_hash (void);
83 gboolean priv_gst_plugin_desc_is_whitelisted (GstPluginDesc * desc,
84 const gchar * filename);
86 gboolean _priv_plugin_deps_env_vars_changed (GstPlugin * plugin);
87 gboolean _priv_plugin_deps_files_changed (GstPlugin * plugin);
89 gboolean _priv_gst_in_valgrind (void);
91 /* Initialize GStreamer private quark storage */
92 void _priv_gst_quarks_initialize (void);
94 /* Other init functions called from gst_init().
95 * FIXME 0.11: rename to _priv_gst_foo_init() so they don't get exported
96 * (can't do this now because these functions used to be in our public
97 * headers, so at least the symbols need to continue to be available unless
98 * we want enterprise edition packagers dancing on our heads) */
99 void _gst_buffer_initialize (void);
100 void _gst_buffer_list_initialize (void);
101 void _gst_caps_initialize (void);
102 void _gst_event_initialize (void);
103 void _gst_format_initialize (void);
104 void _gst_message_initialize (void);
105 void _gst_plugin_initialize (void);
106 void _gst_query_initialize (void);
107 void _gst_tag_initialize (void);
108 void _gst_value_initialize (void);
110 /* Private registry functions */
111 gboolean _priv_gst_registry_remove_cache_plugins (GstRegistry *registry);
112 void _priv_gst_registry_cleanup (void);
113 gboolean _gst_plugin_loader_client_run (void);
115 void _priv_gst_pad_invalidate_cache (GstPad *pad);
117 /* used in both gststructure.c and gstcaps.c; numbers are completely made up */
118 #define STRUCTURE_ESTIMATED_STRING_LEN(s) (16 + (s)->fields->len * 22)
120 gboolean priv_gst_structure_append_to_gstring (const GstStructure * structure,
122 /* registry cache backends */
123 /* FIXME 0.11: use priv_ prefix */
124 gboolean gst_registry_binary_read_cache (GstRegistry * registry, const char *location);
125 gboolean gst_registry_binary_write_cache (GstRegistry * registry, const char *location);
127 /* used in gstvalue.c and gststructure.c */
128 #define GST_ASCII_IS_STRING(c) (g_ascii_isalnum((c)) || ((c) == '_') || \
129 ((c) == '-') || ((c) == '+') || ((c) == '/') || ((c) == ':') || \
132 /* This is only meant for internal uses */
133 gint priv_gst_date_time_compare (gconstpointer dt1, gconstpointer dt2);
135 #ifndef GST_DISABLE_REGISTRY
136 /* Secret variable to initialise gst without registry cache */
137 extern gboolean _gst_disable_registry_cache;
140 /* provide inline gst_g_value_get_foo_unchecked(), used in gststructure.c */
141 #define DEFINE_INLINE_G_VALUE_GET_UNCHECKED(ret_type,name_type,v_field) \
142 static inline ret_type \
143 gst_g_value_get_##name_type##_unchecked (const GValue *value) \
145 return value->data[0].v_field; \
148 DEFINE_INLINE_G_VALUE_GET_UNCHECKED(gboolean,boolean,v_int)
149 DEFINE_INLINE_G_VALUE_GET_UNCHECKED(gint,int,v_int)
150 DEFINE_INLINE_G_VALUE_GET_UNCHECKED(guint,uint,v_uint)
151 DEFINE_INLINE_G_VALUE_GET_UNCHECKED(gint64,int64,v_int64)
152 DEFINE_INLINE_G_VALUE_GET_UNCHECKED(guint64,uint64,v_uint64)
153 DEFINE_INLINE_G_VALUE_GET_UNCHECKED(gfloat,float,v_float)
154 DEFINE_INLINE_G_VALUE_GET_UNCHECKED(gdouble,double,v_double)
155 DEFINE_INLINE_G_VALUE_GET_UNCHECKED(const gchar *,string,v_pointer)
158 /*** debugging categories *****************************************************/
160 #ifndef GST_REMOVE_GST_DEBUG
162 GST_EXPORT GstDebugCategory *GST_CAT_GST_INIT;
163 GST_EXPORT GstDebugCategory *GST_CAT_AUTOPLUG; /* FIXME 0.11: remove? */
164 GST_EXPORT GstDebugCategory *GST_CAT_AUTOPLUG_ATTEMPT; /* FIXME 0.11: remove? */
165 GST_EXPORT GstDebugCategory *GST_CAT_PARENTAGE;
166 GST_EXPORT GstDebugCategory *GST_CAT_STATES;
167 GST_EXPORT GstDebugCategory *GST_CAT_SCHEDULING;
168 GST_EXPORT GstDebugCategory *GST_CAT_BUFFER;
169 GST_EXPORT GstDebugCategory *GST_CAT_BUFFER_LIST;
170 GST_EXPORT GstDebugCategory *GST_CAT_BUS;
171 GST_EXPORT GstDebugCategory *GST_CAT_CAPS;
172 GST_EXPORT GstDebugCategory *GST_CAT_CLOCK;
173 GST_EXPORT GstDebugCategory *GST_CAT_ELEMENT_PADS;
174 GST_EXPORT GstDebugCategory *GST_CAT_PADS;
175 GST_EXPORT GstDebugCategory *GST_CAT_PERFORMANCE;
176 GST_EXPORT GstDebugCategory *GST_CAT_PIPELINE;
177 GST_EXPORT GstDebugCategory *GST_CAT_PLUGIN_LOADING;
178 GST_EXPORT GstDebugCategory *GST_CAT_PLUGIN_INFO;
179 GST_EXPORT GstDebugCategory *GST_CAT_PROPERTIES;
180 GST_EXPORT GstDebugCategory *GST_CAT_XML;
181 GST_EXPORT GstDebugCategory *GST_CAT_NEGOTIATION;
182 GST_EXPORT GstDebugCategory *GST_CAT_REFCOUNTING;
183 GST_EXPORT GstDebugCategory *GST_CAT_ERROR_SYSTEM;
184 GST_EXPORT GstDebugCategory *GST_CAT_EVENT;
185 GST_EXPORT GstDebugCategory *GST_CAT_MESSAGE;
186 GST_EXPORT GstDebugCategory *GST_CAT_PARAMS;
187 GST_EXPORT GstDebugCategory *GST_CAT_CALL_TRACE;
188 GST_EXPORT GstDebugCategory *GST_CAT_SIGNAL;
189 GST_EXPORT GstDebugCategory *GST_CAT_PROBE;
190 GST_EXPORT GstDebugCategory *GST_CAT_REGISTRY;
191 GST_EXPORT GstDebugCategory *GST_CAT_QOS;
192 GST_EXPORT GstDebugCategory *GST_CAT_TYPES; /* FIXME 0.11: remove? */
194 /* Categories that should be completely private to
195 * libgstreamer should be done like this: */
196 #define GST_CAT_POLL _priv_GST_CAT_POLL
197 extern GstDebugCategory *_priv_GST_CAT_POLL;
201 #define GST_CAT_GST_INIT NULL
202 #define GST_CAT_AUTOPLUG NULL
203 #define GST_CAT_AUTOPLUG_ATTEMPT NULL
204 #define GST_CAT_PARENTAGE NULL
205 #define GST_CAT_STATES NULL
206 #define GST_CAT_SCHEDULING NULL
207 #define GST_CAT_DATAFLOW NULL
208 #define GST_CAT_BUFFER NULL
209 #define GST_CAT_BUFFER_LIST NULL
210 #define GST_CAT_BUS NULL
211 #define GST_CAT_CAPS NULL
212 #define GST_CAT_CLOCK NULL
213 #define GST_CAT_ELEMENT_PADS NULL
214 #define GST_CAT_PADS NULL
215 #define GST_CAT_PERFORMANCE NULL
216 #define GST_CAT_PIPELINE NULL
217 #define GST_CAT_PLUGIN_LOADING NULL
218 #define GST_CAT_PLUGIN_INFO NULL
219 #define GST_CAT_PROPERTIES NULL
220 #define GST_CAT_XML NULL
221 #define GST_CAT_NEGOTIATION NULL
222 #define GST_CAT_REFCOUNTING NULL
223 #define GST_CAT_ERROR_SYSTEM NULL
224 #define GST_CAT_EVENT NULL
225 #define GST_CAT_MESSAGE NULL
226 #define GST_CAT_PARAMS NULL
227 #define GST_CAT_CALL_TRACE NULL
228 #define GST_CAT_SIGNAL NULL
229 #define GST_CAT_PROBE NULL
230 #define GST_CAT_REGISTRY NULL
231 #define GST_CAT_QOS NULL
232 #define GST_CAT_TYPES NULL
233 #define GST_CAT_POLL NULL
238 #endif /* __GST_PRIVATE_H__ */