root/gst/gst_private.h
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/* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, 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"
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;
};
gboolean priv_gst_plugin_loading_have_whitelist (void);
guint32 priv_gst_plugin_loading_get_whitelist_hash (void);
gboolean priv_gst_plugin_desc_is_whitelisted (GstPluginDesc * desc,
const gchar * filename);
gboolean _priv_plugin_deps_env_vars_changed (GstPlugin * plugin);
gboolean _priv_plugin_deps_files_changed (GstPlugin * plugin);
gboolean _priv_gst_in_valgrind (void);
/* Initialize GStreamer private quark storage */
void _priv_gst_quarks_initialize (void);
/* Other init functions called from gst_init().
* FIXME 0.11: rename to _priv_gst_foo_init() so they don't get exported
* (can't do this now because these functions used to be in our public
* headers, so at least the symbols need to continue to be available unless
* we want enterprise edition packagers dancing on our heads) */
void _gst_buffer_initialize (void);
void _gst_buffer_list_initialize (void);
void _gst_event_initialize (void);
void _gst_format_initialize (void);
void _gst_message_initialize (void);
void _gst_plugin_initialize (void);
void _gst_query_initialize (void);
void _gst_tag_initialize (void);
void _gst_value_initialize (void);
/* Private registry functions */
gboolean _priv_gst_registry_remove_cache_plugins (GstRegistry *registry);
void _priv_gst_registry_cleanup (void);
gboolean _gst_plugin_loader_client_run (void);
/* used in both gststructure.c and gstcaps.c; numbers are completely made up */
#define STRUCTURE_ESTIMATED_STRING_LEN(s) (16 + (s)->fields->len * 22)
gboolean priv_gst_structure_append_to_gstring (const GstStructure * structure,
GString * s);
/* registry cache backends */
/* FIXME 0.11: use priv_ prefix */
gboolean gst_registry_binary_read_cache (GstRegistry * registry, const char *location);
gboolean gst_registry_binary_write_cache (GstRegistry * registry, const char *location);
/* used in gstvalue.c and gststructure.c */
#define GST_ASCII_IS_STRING(c) (g_ascii_isalnum((c)) || ((c) == '_') || \
((c) == '-') || ((c) == '+') || ((c) == '/') || ((c) == ':') || \
((c) == '.'))
#ifndef GST_DISABLE_REGISTRY
/* Secret variable to initialise gst without registry cache */
extern 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_AUTOPLUG; /* FIXME 0.11: remove? */
GST_EXPORT GstDebugCategory *GST_CAT_AUTOPLUG_ATTEMPT; /* FIXME 0.11: remove? */
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_XML;
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_TYPES; /* FIXME 0.11: remove? */
/* 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;
#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_XML 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
#endif
G_END_DECLS
#endif /* __GST_PRIVATE_H__ */