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/* GStreamer
* Copyright (C) 2006 Josep Torra <josep@fluendo.com>
* Copyright (C) 2006 Mathieu Garcia <matthieu@fluendo.com>
* Copyright (C) 2006 Stefan Kost <ensonic@sonicpulse.de>
*
* gstregistrybinary.h: Header for registry handling
*
* 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_REGISTRYCHUNKS_H__
#define __GST_REGISTRYCHUNKS_H__
#include <gst/gstpad.h>
#include <gst/gstregistry.h>
/*
* we reference strings directly from the plugins and in this case set CONST to
* avoid freeing them. If g_free() should be used, the MALLOC flag is set,
* otherwise g_slice_free1() will be used!
*/
enum {
GST_REGISTRY_CHUNK_FLAG_NONE = 0,
GST_REGISTRY_CHUNK_FLAG_CONST = 1,
GST_REGISTRY_CHUNK_FLAG_MALLOC = 2,
};
/*
* GstRegistryChunk:
*
* Header for binary blobs
*/
typedef struct _GstRegistryChunk
{
gpointer data;
guint size;
guint flags;
gboolean align;
} GstRegistryChunk;
typedef struct _GstRegistryChunkGlobalHeader
{
guint32 filter_env_hash;
} GstRegistryChunkGlobalHeader;
/*
* GstRegistryChunkPluginElement:
*
* @n_deps: Says how many dependency structures follows.
*
* @nfeatures: says how many binary plugin feature structures we will have
* right after the structure itself.
*
* A structure containing (staticely) every information needed for a plugin
*/
typedef struct _GstRegistryChunkPluginElement
{
gulong file_size;
gulong file_mtime;
guint n_deps;
guint nfeatures;
} GstRegistryChunkPluginElement;
/* GstRegistryChunkDep:
*/
typedef struct _GstRegistryChunkDep
{
guint flags;
guint n_env_vars;
guint n_paths;
guint n_names;
guint env_hash;
guint stat_hash;
} GstRegistryChunkDep;
/*
* GstRegistryChunkPluginFeature:
* @rank: rank of the feature
*
* A structure containing the plugin features
*/
typedef struct _GstRegistryChunkPluginFeature
{
gulong rank;
} GstRegistryChunkPluginFeature;
/*
* GstRegistryChunkElementFactory:
* @npadtemplates: stores the number of GstRegistryChunkPadTemplate structures
* following the structure
* @ninterfaces: stores the number of interface names following the structure
* @nuriprotocols: stores the number of protocol strings following the structure
*
* A structure containing the element factory fields
*/
typedef struct _GstRegistryChunkElementFactory
{
GstRegistryChunkPluginFeature plugin_feature;
guint npadtemplates;
guint ninterfaces;
guint nuriprotocols;
} GstRegistryChunkElementFactory;
/*
* GstRegistryChunkTypeFindFactory:
* @nextensions: stores the number of typefind extensions
*
* A structure containing the type find factory fields
*/
typedef struct _GstRegistryChunkTypeFindFactory
{
GstRegistryChunkPluginFeature plugin_feature;
guint nextensions;
} GstRegistryChunkTypeFindFactory;
/*
* GstRegistryChunkDeviceProviderFactory:
*
* A structure containing the device provider factory fields
*/
typedef struct _GstRegistryChunkDeviceProviderFactory
{
GstRegistryChunkPluginFeature plugin_feature;
} GstRegistryChunkDeviceProviderFactory;
/*
* GstRegistryChunkDynamicTypeFactory:
*
* A structure containing the dynamic type factory flags field
*/
typedef struct _GstRegistryChunkDynamicTypeFactory
{
GstRegistryChunkPluginFeature plugin_feature;
guint type_flags;
} GstRegistryChunkDynamicTypeFactory;
/*
* GstRegistryChunkPadTemplate:
*
* A structure containing the static pad templates of a plugin feature
*/
typedef struct _GstRegistryChunkPadTemplate
{
guint direction; /* Either 0:"sink" or 1:"src" */
GstPadPresence presence;
} GstRegistryChunkPadTemplate;
G_BEGIN_DECLS
gboolean
_priv_gst_registry_chunks_save_plugin (GList ** list, GstRegistry * registry,
GstPlugin * plugin);
gboolean
_priv_gst_registry_chunks_load_plugin (GstRegistry * registry, gchar ** in,
gchar *end, GstPlugin **out_plugin);
void
_priv_gst_registry_chunks_save_global_header (GList ** list,
GstRegistry * registry, guint32 filter_env_hash);
gboolean
_priv_gst_registry_chunks_load_global_header (GstRegistry * registry,
gchar ** in, gchar *end, guint32 * filter_env_hash);
void
_priv_gst_registry_chunk_free (GstRegistryChunk *chunk);
G_END_DECLS
#endif /* __GST_REGISTRYCHUNKS_H__ */
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