mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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dc5a62f702
And add strduped function pointer names to the global quark table, so that they don't get reported as lost by valgrind. This allows us to use GST_DEBUG when running tests under valgrind.
518 lines
17 KiB
C
518 lines
17 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., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, 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 GST_API */
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#include "gst/gstconfig.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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/* for GstDeviceProvider */
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#include "gstdeviceprovider.h"
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/* for GstToc */
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#include "gsttoc.h"
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#include "gstdatetime.h"
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#include "gsttracerutils.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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/* Needed by GstMeta (to access meta seq) and GstBuffer (create/free/iterate) */
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typedef struct _GstMetaItem GstMetaItem;
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struct _GstMetaItem {
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GstMetaItem *next;
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guint64 seq_num;
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GstMeta meta;
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};
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/* FIXME: could rename all priv_gst_* functions to __gst_* now */
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G_GNUC_INTERNAL gboolean priv_gst_plugin_loading_have_whitelist (void);
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G_GNUC_INTERNAL guint32 priv_gst_plugin_loading_get_whitelist_hash (void);
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G_GNUC_INTERNAL gboolean priv_gst_plugin_desc_is_whitelisted (const GstPluginDesc * desc,
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const gchar * filename);
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G_GNUC_INTERNAL gboolean _priv_plugin_deps_env_vars_changed (GstPlugin * plugin);
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G_GNUC_INTERNAL gboolean _priv_plugin_deps_files_changed (GstPlugin * plugin);
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G_GNUC_INTERNAL gboolean _priv_gst_in_valgrind (void);
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/* init functions called from gst_init(). */
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G_GNUC_INTERNAL void _priv_gst_quarks_initialize (void);
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G_GNUC_INTERNAL void _priv_gst_mini_object_initialize (void);
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G_GNUC_INTERNAL void _priv_gst_memory_initialize (void);
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G_GNUC_INTERNAL void _priv_gst_allocator_initialize (void);
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G_GNUC_INTERNAL void _priv_gst_buffer_initialize (void);
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G_GNUC_INTERNAL void _priv_gst_buffer_list_initialize (void);
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G_GNUC_INTERNAL void _priv_gst_structure_initialize (void);
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G_GNUC_INTERNAL void _priv_gst_caps_initialize (void);
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G_GNUC_INTERNAL void _priv_gst_caps_features_initialize (void);
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G_GNUC_INTERNAL void _priv_gst_event_initialize (void);
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G_GNUC_INTERNAL void _priv_gst_format_initialize (void);
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G_GNUC_INTERNAL void _priv_gst_message_initialize (void);
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G_GNUC_INTERNAL void _priv_gst_meta_initialize (void);
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G_GNUC_INTERNAL void _priv_gst_plugin_initialize (void);
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G_GNUC_INTERNAL void _priv_gst_query_initialize (void);
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G_GNUC_INTERNAL void _priv_gst_sample_initialize (void);
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G_GNUC_INTERNAL void _priv_gst_tag_initialize (void);
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G_GNUC_INTERNAL void _priv_gst_value_initialize (void);
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G_GNUC_INTERNAL void _priv_gst_debug_init (void);
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G_GNUC_INTERNAL void _priv_gst_context_initialize (void);
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G_GNUC_INTERNAL void _priv_gst_toc_initialize (void);
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G_GNUC_INTERNAL void _priv_gst_date_time_initialize (void);
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/* cleanup functions called from gst_deinit(). */
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G_GNUC_INTERNAL void _priv_gst_allocator_cleanup (void);
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G_GNUC_INTERNAL void _priv_gst_caps_features_cleanup (void);
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G_GNUC_INTERNAL void _priv_gst_caps_cleanup (void);
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G_GNUC_INTERNAL void _priv_gst_debug_cleanup (void);
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/* called from gst_task_cleanup_all(). */
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G_GNUC_INTERNAL void _priv_gst_element_cleanup (void);
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/* Private registry functions */
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G_GNUC_INTERNAL
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gboolean _priv_gst_registry_remove_cache_plugins (GstRegistry *registry);
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G_GNUC_INTERNAL void _priv_gst_registry_cleanup (void);
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GST_API
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gboolean _gst_plugin_loader_client_run (void);
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G_GNUC_INTERNAL GstPlugin * _priv_gst_plugin_load_file_for_registry (const gchar *filename,
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GstRegistry * registry,
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GError** error);
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/* GValue serialization/deserialization */
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G_GNUC_INTERNAL const char * _priv_gst_value_gtype_to_abbr (GType type);
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G_GNUC_INTERNAL gboolean _priv_gst_value_parse_string (gchar * s, gchar ** end, gchar ** next, gboolean unescape);
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G_GNUC_INTERNAL gboolean _priv_gst_value_parse_simple_string (gchar * str, gchar ** end);
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G_GNUC_INTERNAL gboolean _priv_gst_value_parse_value (gchar * str, gchar ** after, GValue * value, GType default_type);
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G_GNUC_INTERNAL gchar * _priv_gst_value_serialize_any_list (const GValue * value, const gchar * begin, const gchar * end, gboolean print_type);
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/* Used in GstBin for manual state handling */
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G_GNUC_INTERNAL void _priv_gst_element_state_changed (GstElement *element,
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GstState oldstate, 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 + gst_structure_n_fields(s) * 22)
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#define FEATURES_ESTIMATED_STRING_LEN(s) (16 + gst_caps_features_get_size(s) * 14)
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G_GNUC_INTERNAL
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gboolean priv_gst_structure_append_to_gstring (const GstStructure * structure,
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GString * s);
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G_GNUC_INTERNAL
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gboolean priv__gst_structure_append_template_to_gstring (GQuark field_id,
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const GValue *value,
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gpointer user_data);
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G_GNUC_INTERNAL
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void priv_gst_caps_features_append_to_gstring (const GstCapsFeatures * features, GString *s);
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G_GNUC_INTERNAL
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gboolean priv_gst_structure_parse_name (gchar * str, gchar **start, gchar ** end, gchar ** next);
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G_GNUC_INTERNAL
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gboolean priv_gst_structure_parse_fields (gchar *str, gchar ** end, GstStructure *structure);
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/* used in gstvalue.c and gststructure.c */
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#define GST_WRAPPED_PTR_FORMAT "p\aa"
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G_GNUC_INTERNAL
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gchar *priv_gst_string_take_and_wrap (gchar * s);
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/* registry cache backends */
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G_GNUC_INTERNAL
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gboolean priv_gst_registry_binary_read_cache (GstRegistry * registry, const char *location);
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G_GNUC_INTERNAL
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gboolean priv_gst_registry_binary_write_cache (GstRegistry * registry, GList * plugins, const char *location);
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G_GNUC_INTERNAL
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void __gst_element_factory_add_static_pad_template (GstElementFactory * elementfactory,
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GstStaticPadTemplate * templ);
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G_GNUC_INTERNAL
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void __gst_element_factory_add_interface (GstElementFactory * elementfactory,
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const gchar * interfacename);
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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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G_GNUC_INTERNAL
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gint __gst_date_time_compare (const GstDateTime * dt1, const GstDateTime * dt2);
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G_GNUC_INTERNAL
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gchar * __gst_date_time_serialize (GstDateTime * datetime, gboolean with_usecs);
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/* For use in gstdebugutils */
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G_GNUC_INTERNAL
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GstCapsFeatures * __gst_caps_get_features_unchecked (const GstCaps * caps, guint idx);
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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_API gboolean _gst_disable_registry_cache;
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#endif
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/* Secret variable to let the plugin scanner use the same base path
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* as the main application in order to determine dependencies */
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GST_API gchar *_gst_executable_path;
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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_API GstDebugCategory *GST_CAT_GST_INIT;
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GST_API GstDebugCategory *GST_CAT_MEMORY;
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GST_API GstDebugCategory *GST_CAT_PARENTAGE;
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GST_API GstDebugCategory *GST_CAT_STATES;
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GST_API GstDebugCategory *GST_CAT_SCHEDULING;
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GST_API GstDebugCategory *GST_CAT_BUFFER;
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GST_API GstDebugCategory *GST_CAT_BUFFER_LIST;
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GST_API GstDebugCategory *GST_CAT_BUS;
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GST_API GstDebugCategory *GST_CAT_CAPS;
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GST_API GstDebugCategory *GST_CAT_CLOCK;
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GST_API GstDebugCategory *GST_CAT_ELEMENT_PADS;
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GST_API GstDebugCategory *GST_CAT_PADS;
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GST_API GstDebugCategory *GST_CAT_PERFORMANCE;
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GST_API GstDebugCategory *GST_CAT_PIPELINE;
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GST_API GstDebugCategory *GST_CAT_PLUGIN_LOADING;
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GST_API GstDebugCategory *GST_CAT_PLUGIN_INFO;
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GST_API GstDebugCategory *GST_CAT_PROPERTIES;
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GST_API GstDebugCategory *GST_CAT_NEGOTIATION;
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GST_API GstDebugCategory *GST_CAT_REFCOUNTING;
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GST_API GstDebugCategory *GST_CAT_ERROR_SYSTEM;
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GST_API GstDebugCategory *GST_CAT_EVENT;
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GST_API GstDebugCategory *GST_CAT_MESSAGE;
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GST_API GstDebugCategory *GST_CAT_PARAMS;
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GST_API GstDebugCategory *GST_CAT_CALL_TRACE;
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GST_API GstDebugCategory *GST_CAT_SIGNAL;
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GST_API GstDebugCategory *GST_CAT_PROBE;
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GST_API GstDebugCategory *GST_CAT_REGISTRY;
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GST_API GstDebugCategory *GST_CAT_QOS;
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GST_API GstDebugCategory *GST_CAT_META;
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GST_API GstDebugCategory *GST_CAT_LOCKING;
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GST_API GstDebugCategory *GST_CAT_CONTEXT;
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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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#define GST_CAT_PROTECTION _priv_GST_CAT_PROTECTION
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extern GstDebugCategory *_priv_GST_CAT_PROTECTION;
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extern GstClockTime _priv_gst_start_time;
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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_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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#define GST_CAT_META NULL
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#define GST_CAT_LOCKING NULL
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#define GST_CAT_CONTEXT NULL
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#define GST_CAT_PROTECTION NULL
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#endif
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#ifdef GST_DISABLE_GST_DEBUG
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/* for _gst_element_error_printf */
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#define __gst_vasprintf __gst_info_fallback_vasprintf
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int __gst_vasprintf (char **result, char const *format, va_list args);
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#endif
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/**** objects made opaque until the private bits have been made private ****/
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#include <gmodule.h>
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#include <time.h> /* time_t */
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#include <sys/types.h> /* off_t */
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#include <sys/stat.h> /* off_t */
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typedef struct _GstPluginPrivate GstPluginPrivate;
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struct _GstPlugin {
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GstObject object;
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/*< private >*/
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GstPluginDesc desc;
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gchar * filename;
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gchar * basename; /* base name (non-dir part) of plugin path */
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GModule * module; /* contains the module if plugin is loaded */
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off_t file_size;
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time_t file_mtime;
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gboolean registered; /* TRUE when the registry has seen a filename
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* that matches the plugin's basename */
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GstPluginPrivate *priv;
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gpointer _gst_reserved[GST_PADDING];
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};
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struct _GstPluginClass {
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GstObjectClass object_class;
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/*< private >*/
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gpointer _gst_reserved[GST_PADDING];
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};
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struct _GstPluginFeature {
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GstObject object;
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/*< private >*/
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gboolean loaded;
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guint rank;
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const gchar *plugin_name;
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GstPlugin *plugin; /* weak ref */
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/*< private >*/
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gpointer _gst_reserved[GST_PADDING];
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};
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struct _GstPluginFeatureClass {
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GstObjectClass parent_class;
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/*< private >*/
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gpointer _gst_reserved[GST_PADDING];
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};
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#include "gsttypefind.h"
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struct _GstTypeFindFactory {
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GstPluginFeature feature;
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/* <private> */
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GstTypeFindFunction function;
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gchar ** extensions;
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GstCaps * caps;
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gpointer user_data;
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GDestroyNotify user_data_notify;
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gpointer _gst_reserved[GST_PADDING];
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};
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struct _GstTypeFindFactoryClass {
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GstPluginFeatureClass parent;
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/* <private> */
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gpointer _gst_reserved[GST_PADDING];
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};
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struct _GstTracerFactory {
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GstPluginFeature feature;
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/* <private> */
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GType type;
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/*
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gpointer user_data;
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GDestroyNotify user_data_notify;
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*/
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gpointer _gst_reserved[GST_PADDING];
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};
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struct _GstTracerFactoryClass {
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GstPluginFeatureClass parent;
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/* <private> */
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gpointer _gst_reserved[GST_PADDING];
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|
};
|
|
|
|
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];
|
|
};
|
|
|
|
struct _GstDynamicTypeFactory {
|
|
GstPluginFeature feature;
|
|
|
|
GType type; /* GType of the type, when loaded. 0 if not */
|
|
};
|
|
|
|
struct _GstDynamicTypeFactoryClass {
|
|
GstPluginFeatureClass parent;
|
|
};
|
|
|
|
/* 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__ */
|