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250 lines
8.9 KiB
C
250 lines
8.9 KiB
C
/* GStreamer
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* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
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* 2000 Wim Taymans <wtay@chello.be>
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*
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* gst_private.h: Private header for within libgst
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_PRIVATE_H__
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#define __GST_PRIVATE_H__
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#ifdef HAVE_CONFIG_H
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# ifndef GST_LICENSE /* don't include config.h twice, it has no guards */
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# include "config.h"
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# endif
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#endif
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/* This needs to be before glib.h, since it might be used in inline
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* functions */
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extern const char g_log_domain_gstreamer[];
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#include <glib.h>
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#include <stdlib.h>
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#include <string.h>
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/* Needed for GstRegistry * */
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#include "gstregistry.h"
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#include "gststructure.h"
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/* we need this in pretty much all files */
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#include "gstinfo.h"
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/* for the flags in the GstPluginDep structure below */
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#include "gstplugin.h"
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/* for the pad cache */
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#include "gstpad.h"
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/* for GstElement */
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#include "gstelement.h"
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G_BEGIN_DECLS
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/* used by gstparse.c and grammar.y */
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struct _GstParseContext {
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GList * missing_elements;
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};
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/* used by gstplugin.c and gstregistrybinary.c */
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typedef struct {
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/* details registered via gst_plugin_add_dependency() */
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GstPluginDependencyFlags flags;
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gchar **env_vars;
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gchar **paths;
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gchar **names;
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/* information saved from the last time the plugin was loaded (-1 = unset) */
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guint env_hash; /* hash of content of environment variables in env_vars */
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guint stat_hash; /* hash of stat() on all relevant files and directories */
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} GstPluginDep;
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struct _GstPluginPrivate {
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GList *deps; /* list of GstPluginDep structures */
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GstStructure *cache_data;
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};
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gboolean priv_gst_plugin_loading_have_whitelist (void);
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guint32 priv_gst_plugin_loading_get_whitelist_hash (void);
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gboolean priv_gst_plugin_desc_is_whitelisted (GstPluginDesc * desc,
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const gchar * filename);
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gboolean _priv_plugin_deps_env_vars_changed (GstPlugin * plugin);
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gboolean _priv_plugin_deps_files_changed (GstPlugin * plugin);
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gboolean _priv_gst_in_valgrind (void);
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/* Initialize GStreamer private quark storage */
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void _priv_gst_quarks_initialize (void);
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/* Other init functions called from gst_init().
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* FIXME 0.11: rename to _priv_gst_foo_init() so they don't get exported
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* (can't do this now because these functions used to be in our public
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* headers, so at least the symbols need to continue to be available unless
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* we want enterprise edition packagers dancing on our heads) */
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void _gst_buffer_initialize (void);
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void _gst_buffer_list_initialize (void);
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void _gst_event_initialize (void);
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void _gst_format_initialize (void);
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void _gst_message_initialize (void);
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void _gst_plugin_initialize (void);
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void _gst_query_initialize (void);
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void _gst_tag_initialize (void);
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void _gst_value_initialize (void);
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/* Private registry functions */
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gboolean _priv_gst_registry_remove_cache_plugins (GstRegistry *registry);
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void _priv_gst_registry_cleanup (void);
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gboolean _gst_plugin_loader_client_run (void);
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void _priv_gst_pad_invalidate_cache (GstPad *pad);
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/* Used in GstBin for manual state handling */
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void _priv_gst_element_state_changed (GstElement *element, GstState oldstate,
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GstState newstate, GstState pending);
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/* used in both gststructure.c and gstcaps.c; numbers are completely made up */
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#define STRUCTURE_ESTIMATED_STRING_LEN(s) (16 + (s)->fields->len * 22)
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gboolean priv_gst_structure_append_to_gstring (const GstStructure * structure,
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GString * s);
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/* registry cache backends */
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/* FIXME 0.11: use priv_ prefix */
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gboolean gst_registry_binary_read_cache (GstRegistry * registry, const char *location);
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gboolean gst_registry_binary_write_cache (GstRegistry * registry, const char *location);
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/* used in gstvalue.c and gststructure.c */
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#define GST_ASCII_IS_STRING(c) (g_ascii_isalnum((c)) || ((c) == '_') || \
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((c) == '-') || ((c) == '+') || ((c) == '/') || ((c) == ':') || \
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((c) == '.'))
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/* This is only meant for internal uses */
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gint priv_gst_date_time_compare (gconstpointer dt1, gconstpointer dt2);
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#ifndef GST_DISABLE_REGISTRY
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/* Secret variable to initialise gst without registry cache */
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GST_EXPORT gboolean _gst_disable_registry_cache;
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#endif
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/* provide inline gst_g_value_get_foo_unchecked(), used in gststructure.c */
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#define DEFINE_INLINE_G_VALUE_GET_UNCHECKED(ret_type,name_type,v_field) \
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static inline ret_type \
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gst_g_value_get_##name_type##_unchecked (const GValue *value) \
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{ \
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return value->data[0].v_field; \
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}
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DEFINE_INLINE_G_VALUE_GET_UNCHECKED(gboolean,boolean,v_int)
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DEFINE_INLINE_G_VALUE_GET_UNCHECKED(gint,int,v_int)
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DEFINE_INLINE_G_VALUE_GET_UNCHECKED(guint,uint,v_uint)
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DEFINE_INLINE_G_VALUE_GET_UNCHECKED(gint64,int64,v_int64)
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DEFINE_INLINE_G_VALUE_GET_UNCHECKED(guint64,uint64,v_uint64)
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DEFINE_INLINE_G_VALUE_GET_UNCHECKED(gfloat,float,v_float)
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DEFINE_INLINE_G_VALUE_GET_UNCHECKED(gdouble,double,v_double)
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DEFINE_INLINE_G_VALUE_GET_UNCHECKED(const gchar *,string,v_pointer)
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/*** debugging categories *****************************************************/
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#ifndef GST_REMOVE_GST_DEBUG
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GST_EXPORT GstDebugCategory *GST_CAT_GST_INIT;
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GST_EXPORT GstDebugCategory *GST_CAT_AUTOPLUG; /* FIXME 0.11: remove? */
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GST_EXPORT GstDebugCategory *GST_CAT_AUTOPLUG_ATTEMPT; /* FIXME 0.11: remove? */
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GST_EXPORT GstDebugCategory *GST_CAT_PARENTAGE;
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GST_EXPORT GstDebugCategory *GST_CAT_STATES;
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GST_EXPORT GstDebugCategory *GST_CAT_SCHEDULING;
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GST_EXPORT GstDebugCategory *GST_CAT_BUFFER;
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GST_EXPORT GstDebugCategory *GST_CAT_BUFFER_LIST;
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GST_EXPORT GstDebugCategory *GST_CAT_BUS;
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GST_EXPORT GstDebugCategory *GST_CAT_CAPS;
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GST_EXPORT GstDebugCategory *GST_CAT_CLOCK;
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GST_EXPORT GstDebugCategory *GST_CAT_ELEMENT_PADS;
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GST_EXPORT GstDebugCategory *GST_CAT_PADS;
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GST_EXPORT GstDebugCategory *GST_CAT_PERFORMANCE;
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GST_EXPORT GstDebugCategory *GST_CAT_PIPELINE;
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GST_EXPORT GstDebugCategory *GST_CAT_PLUGIN_LOADING;
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GST_EXPORT GstDebugCategory *GST_CAT_PLUGIN_INFO;
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GST_EXPORT GstDebugCategory *GST_CAT_PROPERTIES;
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GST_EXPORT GstDebugCategory *GST_CAT_XML;
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GST_EXPORT GstDebugCategory *GST_CAT_NEGOTIATION;
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GST_EXPORT GstDebugCategory *GST_CAT_REFCOUNTING;
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GST_EXPORT GstDebugCategory *GST_CAT_ERROR_SYSTEM;
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GST_EXPORT GstDebugCategory *GST_CAT_EVENT;
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GST_EXPORT GstDebugCategory *GST_CAT_MESSAGE;
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GST_EXPORT GstDebugCategory *GST_CAT_PARAMS;
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GST_EXPORT GstDebugCategory *GST_CAT_CALL_TRACE;
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GST_EXPORT GstDebugCategory *GST_CAT_SIGNAL;
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GST_EXPORT GstDebugCategory *GST_CAT_PROBE;
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GST_EXPORT GstDebugCategory *GST_CAT_REGISTRY;
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GST_EXPORT GstDebugCategory *GST_CAT_QOS;
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GST_EXPORT GstDebugCategory *GST_CAT_TYPES; /* FIXME 0.11: remove? */
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/* Categories that should be completely private to
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* libgstreamer should be done like this: */
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#define GST_CAT_POLL _priv_GST_CAT_POLL
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extern GstDebugCategory *_priv_GST_CAT_POLL;
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#else
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#define GST_CAT_GST_INIT NULL
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#define GST_CAT_AUTOPLUG NULL
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#define GST_CAT_AUTOPLUG_ATTEMPT NULL
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#define GST_CAT_PARENTAGE NULL
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#define GST_CAT_STATES NULL
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#define GST_CAT_SCHEDULING NULL
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#define GST_CAT_DATAFLOW NULL
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#define GST_CAT_BUFFER NULL
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#define GST_CAT_BUFFER_LIST NULL
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#define GST_CAT_BUS NULL
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#define GST_CAT_CAPS NULL
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#define GST_CAT_CLOCK NULL
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#define GST_CAT_ELEMENT_PADS NULL
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#define GST_CAT_PADS NULL
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#define GST_CAT_PERFORMANCE NULL
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#define GST_CAT_PIPELINE NULL
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#define GST_CAT_PLUGIN_LOADING NULL
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#define GST_CAT_PLUGIN_INFO NULL
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#define GST_CAT_PROPERTIES NULL
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#define GST_CAT_XML NULL
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#define GST_CAT_NEGOTIATION NULL
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#define GST_CAT_REFCOUNTING NULL
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#define GST_CAT_ERROR_SYSTEM NULL
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#define GST_CAT_EVENT NULL
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#define GST_CAT_MESSAGE NULL
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#define GST_CAT_PARAMS NULL
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#define GST_CAT_CALL_TRACE NULL
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#define GST_CAT_SIGNAL NULL
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#define GST_CAT_PROBE NULL
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#define GST_CAT_REGISTRY NULL
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#define GST_CAT_QOS NULL
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#define GST_CAT_TYPES NULL
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#define GST_CAT_POLL NULL
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#endif
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#ifdef GST_DISABLE_DEPRECATED
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typedef GList* (*GstPadIntLinkFunction) (GstPad *pad);
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#endif
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G_END_DECLS
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#endif /* __GST_PRIVATE_H__ */
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