| /* GStreamer |
| * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu> |
| * 2000 Wim Taymans <wtay@chello.be> |
| * |
| * gst_private.h: Private header for within libgst |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public |
| * License along with this library; if not, write to the |
| * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| */ |
| |
| #ifndef __GST_PRIVATE_H__ |
| #define __GST_PRIVATE_H__ |
| |
| #ifdef HAVE_CONFIG_H |
| # ifndef GST_LICENSE /* don't include config.h twice, it has no guards */ |
| # include "config.h" |
| # endif |
| #endif |
| |
| /* This needs to be before glib.h, since it might be used in inline |
| * functions */ |
| extern const char g_log_domain_gstreamer[]; |
| |
| #include <glib.h> |
| |
| #include <stdlib.h> |
| #include <string.h> |
| |
| /* Needed for GstRegistry * */ |
| #include "gstregistry.h" |
| #include "gststructure.h" |
| |
| /* we need this in pretty much all files */ |
| #include "gstinfo.h" |
| |
| /* for the flags in the GstPluginDep structure below */ |
| #include "gstplugin.h" |
| |
| /* for the pad cache */ |
| #include "gstpad.h" |
| |
| /* for GstElement */ |
| #include "gstelement.h" |
| |
| /* for GstDeviceProvider */ |
| #include "gstdeviceprovider.h" |
| |
| /* for GstToc */ |
| #include "gsttoc.h" |
| |
| #include "gstdatetime.h" |
| |
| G_BEGIN_DECLS |
| |
| /* used by gstparse.c and grammar.y */ |
| struct _GstParseContext { |
| GList * missing_elements; |
| }; |
| |
| /* used by gstplugin.c and gstregistrybinary.c */ |
| typedef struct { |
| /* details registered via gst_plugin_add_dependency() */ |
| GstPluginDependencyFlags flags; |
| gchar **env_vars; |
| gchar **paths; |
| gchar **names; |
| |
| /* information saved from the last time the plugin was loaded (-1 = unset) */ |
| guint env_hash; /* hash of content of environment variables in env_vars */ |
| guint stat_hash; /* hash of stat() on all relevant files and directories */ |
| } GstPluginDep; |
| |
| struct _GstPluginPrivate { |
| GList *deps; /* list of GstPluginDep structures */ |
| GstStructure *cache_data; |
| }; |
| |
| /* FIXME: could rename all priv_gst_* functions to __gst_* now */ |
| G_GNUC_INTERNAL gboolean priv_gst_plugin_loading_have_whitelist (void); |
| |
| G_GNUC_INTERNAL guint32 priv_gst_plugin_loading_get_whitelist_hash (void); |
| |
| G_GNUC_INTERNAL gboolean priv_gst_plugin_desc_is_whitelisted (GstPluginDesc * desc, |
| const gchar * filename); |
| |
| G_GNUC_INTERNAL gboolean _priv_plugin_deps_env_vars_changed (GstPlugin * plugin); |
| |
| G_GNUC_INTERNAL gboolean _priv_plugin_deps_files_changed (GstPlugin * plugin); |
| |
| G_GNUC_INTERNAL gboolean _priv_gst_in_valgrind (void); |
| |
| /* init functions called from gst_init(). */ |
| G_GNUC_INTERNAL void _priv_gst_quarks_initialize (void); |
| G_GNUC_INTERNAL void _priv_gst_mini_object_initialize (void); |
| G_GNUC_INTERNAL void _priv_gst_memory_initialize (void); |
| G_GNUC_INTERNAL void _priv_gst_allocator_initialize (void); |
| G_GNUC_INTERNAL void _priv_gst_buffer_initialize (void); |
| G_GNUC_INTERNAL void _priv_gst_buffer_list_initialize (void); |
| G_GNUC_INTERNAL void _priv_gst_structure_initialize (void); |
| G_GNUC_INTERNAL void _priv_gst_caps_initialize (void); |
| G_GNUC_INTERNAL void _priv_gst_caps_features_initialize (void); |
| G_GNUC_INTERNAL void _priv_gst_event_initialize (void); |
| G_GNUC_INTERNAL void _priv_gst_format_initialize (void); |
| G_GNUC_INTERNAL void _priv_gst_message_initialize (void); |
| G_GNUC_INTERNAL void _priv_gst_meta_initialize (void); |
| G_GNUC_INTERNAL void _priv_gst_plugin_initialize (void); |
| G_GNUC_INTERNAL void _priv_gst_query_initialize (void); |
| G_GNUC_INTERNAL void _priv_gst_sample_initialize (void); |
| G_GNUC_INTERNAL void _priv_gst_tag_initialize (void); |
| G_GNUC_INTERNAL void _priv_gst_value_initialize (void); |
| G_GNUC_INTERNAL void _priv_gst_debug_init (void); |
| G_GNUC_INTERNAL void _priv_gst_context_initialize (void); |
| G_GNUC_INTERNAL void _priv_gst_toc_initialize (void); |
| G_GNUC_INTERNAL void _priv_gst_date_time_initialize (void); |
| |
| /* Private registry functions */ |
| G_GNUC_INTERNAL |
| gboolean _priv_gst_registry_remove_cache_plugins (GstRegistry *registry); |
| |
| G_GNUC_INTERNAL void _priv_gst_registry_cleanup (void); |
| |
| gboolean _gst_plugin_loader_client_run (void); |
| |
| /* Used in GstBin for manual state handling */ |
| G_GNUC_INTERNAL void _priv_gst_element_state_changed (GstElement *element, |
| GstState oldstate, GstState newstate, GstState pending); |
| |
| /* used in both gststructure.c and gstcaps.c; numbers are completely made up */ |
| #define STRUCTURE_ESTIMATED_STRING_LEN(s) (16 + gst_structure_n_fields(s) * 22) |
| #define FEATURES_ESTIMATED_STRING_LEN(s) (16 + gst_caps_features_get_size(s) * 14) |
| |
| G_GNUC_INTERNAL |
| gboolean priv_gst_structure_append_to_gstring (const GstStructure * structure, |
| GString * s); |
| G_GNUC_INTERNAL |
| void priv_gst_caps_features_append_to_gstring (const GstCapsFeatures * features, GString *s); |
| |
| G_GNUC_INTERNAL |
| gboolean priv_gst_structure_parse_name (gchar * str, gchar **start, gchar ** end, gchar ** next); |
| G_GNUC_INTERNAL |
| gboolean priv_gst_structure_parse_fields (gchar *str, gchar ** end, GstStructure *structure); |
| |
| /* registry cache backends */ |
| G_GNUC_INTERNAL |
| gboolean priv_gst_registry_binary_read_cache (GstRegistry * registry, const char *location); |
| |
| G_GNUC_INTERNAL |
| gboolean priv_gst_registry_binary_write_cache (GstRegistry * registry, GList * plugins, const char *location); |
| |
| |
| G_GNUC_INTERNAL |
| void __gst_element_factory_add_static_pad_template (GstElementFactory * elementfactory, |
| GstStaticPadTemplate * templ); |
| |
| G_GNUC_INTERNAL |
| void __gst_element_factory_add_interface (GstElementFactory * elementfactory, |
| const gchar * interfacename); |
| |
| /* used in gstvalue.c and gststructure.c */ |
| #define GST_ASCII_IS_STRING(c) (g_ascii_isalnum((c)) || ((c) == '_') || \ |
| ((c) == '-') || ((c) == '+') || ((c) == '/') || ((c) == ':') || \ |
| ((c) == '.')) |
| |
| /* This is only meant for internal uses */ |
| G_GNUC_INTERNAL |
| gint __gst_date_time_compare (const GstDateTime * dt1, const GstDateTime * dt2); |
| |
| G_GNUC_INTERNAL |
| gchar * __gst_date_time_serialize (GstDateTime * datetime, gboolean with_usecs); |
| |
| /* Non-static, for access from the testsuite, but not for external use */ |
| gboolean |
| _priv_gst_do_linear_regression (GstClockTime *times, guint n, |
| GstClockTime * m_num, GstClockTime * m_denom, GstClockTime * b, |
| GstClockTime * xbase, gdouble * r_squared); |
| |
| /* For use in gstdebugutils */ |
| G_GNUC_INTERNAL |
| GstCapsFeatures * __gst_caps_get_features_unchecked (const GstCaps * caps, guint idx); |
| |
| #ifndef GST_DISABLE_REGISTRY |
| /* Secret variable to initialise gst without registry cache */ |
| GST_EXPORT gboolean _gst_disable_registry_cache; |
| #endif |
| |
| /* provide inline gst_g_value_get_foo_unchecked(), used in gststructure.c */ |
| #define DEFINE_INLINE_G_VALUE_GET_UNCHECKED(ret_type,name_type,v_field) \ |
| static inline ret_type \ |
| gst_g_value_get_##name_type##_unchecked (const GValue *value) \ |
| { \ |
| return value->data[0].v_field; \ |
| } |
| |
| DEFINE_INLINE_G_VALUE_GET_UNCHECKED(gboolean,boolean,v_int) |
| DEFINE_INLINE_G_VALUE_GET_UNCHECKED(gint,int,v_int) |
| DEFINE_INLINE_G_VALUE_GET_UNCHECKED(guint,uint,v_uint) |
| DEFINE_INLINE_G_VALUE_GET_UNCHECKED(gint64,int64,v_int64) |
| DEFINE_INLINE_G_VALUE_GET_UNCHECKED(guint64,uint64,v_uint64) |
| DEFINE_INLINE_G_VALUE_GET_UNCHECKED(gfloat,float,v_float) |
| DEFINE_INLINE_G_VALUE_GET_UNCHECKED(gdouble,double,v_double) |
| DEFINE_INLINE_G_VALUE_GET_UNCHECKED(const gchar *,string,v_pointer) |
| |
| |
| /*** debugging categories *****************************************************/ |
| |
| #ifndef GST_REMOVE_GST_DEBUG |
| |
| GST_EXPORT GstDebugCategory *GST_CAT_GST_INIT; |
| GST_EXPORT GstDebugCategory *GST_CAT_MEMORY; |
| GST_EXPORT GstDebugCategory *GST_CAT_PARENTAGE; |
| GST_EXPORT GstDebugCategory *GST_CAT_STATES; |
| GST_EXPORT GstDebugCategory *GST_CAT_SCHEDULING; |
| GST_EXPORT GstDebugCategory *GST_CAT_BUFFER; |
| GST_EXPORT GstDebugCategory *GST_CAT_BUFFER_LIST; |
| GST_EXPORT GstDebugCategory *GST_CAT_BUS; |
| GST_EXPORT GstDebugCategory *GST_CAT_CAPS; |
| GST_EXPORT GstDebugCategory *GST_CAT_CLOCK; |
| GST_EXPORT GstDebugCategory *GST_CAT_ELEMENT_PADS; |
| GST_EXPORT GstDebugCategory *GST_CAT_PADS; |
| GST_EXPORT GstDebugCategory *GST_CAT_PERFORMANCE; |
| GST_EXPORT GstDebugCategory *GST_CAT_PIPELINE; |
| GST_EXPORT GstDebugCategory *GST_CAT_PLUGIN_LOADING; |
| GST_EXPORT GstDebugCategory *GST_CAT_PLUGIN_INFO; |
| GST_EXPORT GstDebugCategory *GST_CAT_PROPERTIES; |
| GST_EXPORT GstDebugCategory *GST_CAT_NEGOTIATION; |
| GST_EXPORT GstDebugCategory *GST_CAT_REFCOUNTING; |
| GST_EXPORT GstDebugCategory *GST_CAT_ERROR_SYSTEM; |
| GST_EXPORT GstDebugCategory *GST_CAT_EVENT; |
| GST_EXPORT GstDebugCategory *GST_CAT_MESSAGE; |
| GST_EXPORT GstDebugCategory *GST_CAT_PARAMS; |
| GST_EXPORT GstDebugCategory *GST_CAT_CALL_TRACE; |
| GST_EXPORT GstDebugCategory *GST_CAT_SIGNAL; |
| GST_EXPORT GstDebugCategory *GST_CAT_PROBE; |
| GST_EXPORT GstDebugCategory *GST_CAT_REGISTRY; |
| GST_EXPORT GstDebugCategory *GST_CAT_QOS; |
| GST_EXPORT GstDebugCategory *GST_CAT_META; |
| GST_EXPORT GstDebugCategory *GST_CAT_LOCKING; |
| GST_EXPORT GstDebugCategory *GST_CAT_CONTEXT; |
| |
| /* Categories that should be completely private to |
| * libgstreamer should be done like this: */ |
| #define GST_CAT_POLL _priv_GST_CAT_POLL |
| extern GstDebugCategory *_priv_GST_CAT_POLL; |
| |
| #define GST_CAT_PROTECTION _priv_GST_CAT_PROTECTION |
| extern GstDebugCategory *_priv_GST_CAT_PROTECTION; |
| |
| extern GstClockTime _priv_gst_info_start_time; |
| |
| #else |
| |
| #define GST_CAT_GST_INIT NULL |
| #define GST_CAT_AUTOPLUG NULL |
| #define GST_CAT_AUTOPLUG_ATTEMPT NULL |
| #define GST_CAT_PARENTAGE NULL |
| #define GST_CAT_STATES NULL |
| #define GST_CAT_SCHEDULING NULL |
| #define GST_CAT_DATAFLOW NULL |
| #define GST_CAT_BUFFER NULL |
| #define GST_CAT_BUFFER_LIST NULL |
| #define GST_CAT_BUS NULL |
| #define GST_CAT_CAPS NULL |
| #define GST_CAT_CLOCK NULL |
| #define GST_CAT_ELEMENT_PADS NULL |
| #define GST_CAT_PADS NULL |
| #define GST_CAT_PERFORMANCE NULL |
| #define GST_CAT_PIPELINE NULL |
| #define GST_CAT_PLUGIN_LOADING NULL |
| #define GST_CAT_PLUGIN_INFO NULL |
| #define GST_CAT_PROPERTIES NULL |
| #define GST_CAT_NEGOTIATION NULL |
| #define GST_CAT_REFCOUNTING NULL |
| #define GST_CAT_ERROR_SYSTEM NULL |
| #define GST_CAT_EVENT NULL |
| #define GST_CAT_MESSAGE NULL |
| #define GST_CAT_PARAMS NULL |
| #define GST_CAT_CALL_TRACE NULL |
| #define GST_CAT_SIGNAL NULL |
| #define GST_CAT_PROBE NULL |
| #define GST_CAT_REGISTRY NULL |
| #define GST_CAT_QOS NULL |
| #define GST_CAT_TYPES NULL |
| #define GST_CAT_POLL NULL |
| #define GST_CAT_META NULL |
| #define GST_CAT_LOCKING NULL |
| #define GST_CAT_CONTEXT NULL |
| #define GST_CAT_PROTECTION NULL |
| |
| #endif |
| |
| #ifdef GST_DISABLE_GST_DEBUG |
| /* for _gst_element_error_printf */ |
| #define __gst_vasprintf __gst_info_fallback_vasprintf |
| int __gst_vasprintf (char **result, char const *format, va_list args); |
| #endif |
| |
| /**** objects made opaque until the private bits have been made private ****/ |
| |
| #include <gmodule.h> |
| #include <time.h> /* time_t */ |
| #include <sys/types.h> /* off_t */ |
| #include <sys/stat.h> /* off_t */ |
| |
| typedef struct _GstPluginPrivate GstPluginPrivate; |
| |
| struct _GstPlugin { |
| GstObject object; |
| |
| /*< private >*/ |
| GstPluginDesc desc; |
| |
| GstPluginDesc *orig_desc; |
| |
| gchar * filename; |
| gchar * basename; /* base name (non-dir part) of plugin path */ |
| |
| GModule * module; /* contains the module if plugin is loaded */ |
| |
| off_t file_size; |
| time_t file_mtime; |
| gboolean registered; /* TRUE when the registry has seen a filename |
| * that matches the plugin's basename */ |
| |
| GstPluginPrivate *priv; |
| |
| gpointer _gst_reserved[GST_PADDING]; |
| }; |
| |
| struct _GstPluginClass { |
| GstObjectClass object_class; |
| |
| /*< private >*/ |
| gpointer _gst_reserved[GST_PADDING]; |
| }; |
| |
| struct _GstPluginFeature { |
| GstObject object; |
| |
| /*< private >*/ |
| gboolean loaded; |
| guint rank; |
| |
| const gchar *plugin_name; |
| GstPlugin *plugin; /* weak ref */ |
| |
| /*< private >*/ |
| gpointer _gst_reserved[GST_PADDING]; |
| }; |
| |
| struct _GstPluginFeatureClass { |
| GstObjectClass parent_class; |
| |
| /*< private >*/ |
| gpointer _gst_reserved[GST_PADDING]; |
| }; |
| |
| #include "gsttypefind.h" |
| |
| struct _GstTypeFindFactory { |
| GstPluginFeature feature; |
| /* <private> */ |
| |
| GstTypeFindFunction function; |
| gchar ** extensions; |
| GstCaps * caps; |
| |
| gpointer user_data; |
| GDestroyNotify user_data_notify; |
| |
| gpointer _gst_reserved[GST_PADDING]; |
| }; |
| |
| struct _GstTypeFindFactoryClass { |
| GstPluginFeatureClass parent; |
| /* <private> */ |
| |
| gpointer _gst_reserved[GST_PADDING]; |
| }; |
| |
| struct _GstElementFactory { |
| GstPluginFeature parent; |
| |
| GType type; /* unique GType of element or 0 if not loaded */ |
| |
| gpointer metadata; |
| |
| GList * staticpadtemplates; /* GstStaticPadTemplate list */ |
| guint numpadtemplates; |
| |
| /* URI interface stuff */ |
| GstURIType uri_type; |
| gchar ** uri_protocols; |
| |
| GList * interfaces; /* interface type names this element implements */ |
| |
| /*< private >*/ |
| gpointer _gst_reserved[GST_PADDING]; |
| }; |
| |
| struct _GstElementFactoryClass { |
| GstPluginFeatureClass parent_class; |
| |
| gpointer _gst_reserved[GST_PADDING]; |
| }; |
| |
| struct _GstDeviceProviderFactory { |
| GstPluginFeature feature; |
| /* <private> */ |
| |
| GType type; /* unique GType the device factory or 0 if not loaded */ |
| |
| volatile GstDeviceProvider *provider; |
| gpointer metadata; |
| |
| gpointer _gst_reserved[GST_PADDING]; |
| }; |
| |
| struct _GstDeviceProviderFactoryClass { |
| GstPluginFeatureClass parent; |
| /* <private> */ |
| |
| gpointer _gst_reserved[GST_PADDING]; |
| }; |
| |
| /* privat flag used by GstBus / GstMessage */ |
| #define GST_MESSAGE_FLAG_ASYNC_DELIVERY (GST_MINI_OBJECT_FLAG_LAST << 0) |
| |
| G_END_DECLS |
| #endif /* __GST_PRIVATE_H__ */ |