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diff --git a/meta/recipes-multimedia/gstreamer/gstreamer-0.10.36/gstregistrybinary.h b/meta/recipes-multimedia/gstreamer/gstreamer-0.10.36/gstregistrybinary.h
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1/* GStreamer
2 * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
3 * 2000 Wim Taymans <wim.taymans@chello.be>
4 *
5 * gstregistry.h: Header for registry handling
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
16 *
17 * You should have received a copy of the GNU Library General Public
18 * License along with this library; if not, write to the
19 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 * Boston, MA 02111-1307, USA.
21 */
22
23/* SUGGESTIONS AND TODO :
24** ====================
25** - Use a compressed registry, but would induce performance loss
26** - Encrypt the registry, for security purpose, but would also reduce performances
27** - Also have a non-mmap based cache reading (work with file descriptors)
28*/
29
30#ifndef __GST_REGISTRYBINARY_H__
31#define __GST_REGISTRYBINARY_H__
32
33#ifdef HAVE_CONFIG_H
34# include "config.h"
35#endif
36
37#include <stdio.h>
38#include <errno.h>
39#include <sys/types.h>
40#include <sys/stat.h>
41#include <dirent.h>
42#include <fcntl.h>
43#include <sys/mman.h>
44#ifdef HAVE_UNISTD_H
45#include <unistd.h>
46#endif
47
48#include <gst/gst_private.h>
49#include <gst/gstelement.h>
50#include <gst/gsttypefind.h>
51#include <gst/gsttypefindfactory.h>
52#include <gst/gsturi.h>
53#include <gst/gstinfo.h>
54#include <gst/gstenumtypes.h>
55#include <gst/gstregistry.h>
56#include <gst/gstpadtemplate.h>
57
58#include "glib-compat-private.h"
59#include <glib/gstdio.h>
60
61/* A magic, written at the beginning of the file */
62#define GST_MAGIC_BINARY_REGISTRY_STR "\xc0\xde\xf0\x0d"
63#define GST_MAGIC_BINARY_REGISTRY_LEN (4)
64#define GST_MAGIC_BINARY_VERSION_LEN (64)
65
66typedef struct _GstBinaryRegistryMagic
67{
68 char magic[GST_MAGIC_BINARY_REGISTRY_LEN];
69 char version[GST_MAGIC_BINARY_VERSION_LEN];
70} GstBinaryRegistryMagic;
71
72
73/* Used to store pointers to write */
74typedef struct _GstBinaryChunck
75{
76 void *data;
77 unsigned int size;
78} GstBinaryChunck;
79
80
81/* A structure containing (staticely) every information needed for a plugin
82**
83** Notes :
84** "nfeatures" is used to say how many GstBinaryPluginFeature structures we will have
85** right after the structure itself.
86*/
87
88/* Various lenght defines for our GstBinaryPluginElement structure
89** Note : We could eventually use smaller size
90*/
91#define GST_BINARY_REGISTRY_NAME_LEN (256)
92#define GST_BINARY_REGISTRY_DESCRIPTION_LEN (1024)
93#define GST_BINARY_REGISTRY_VERSION_LEN (64)
94#define GST_BINARY_REGISTRY_LICENSE_LEN (256)
95#define GST_BINARY_REGISTRY_SOURCE_LEN (256)
96#define GST_BINARY_REGISTRY_PACKAGE_LEN (1024)
97#define GST_BINARY_REGISTRY_ORIGIN_LEN (1024)
98
99typedef struct _GstBinaryPluginElement
100{
101 char name[GST_BINARY_REGISTRY_NAME_LEN];
102 char description[GST_BINARY_REGISTRY_DESCRIPTION_LEN];
103 char filename[_POSIX_PATH_MAX];
104 char version[GST_BINARY_REGISTRY_VERSION_LEN];
105 char license[GST_BINARY_REGISTRY_LICENSE_LEN];
106 char source[GST_BINARY_REGISTRY_SOURCE_LEN];
107 char package[GST_BINARY_REGISTRY_PACKAGE_LEN];
108 char origin[GST_BINARY_REGISTRY_ORIGIN_LEN];
109 unsigned long size;
110 unsigned long m32p;
111 unsigned int nfeatures;
112} GstBinaryPluginElement;
113
114
115/* A structure containing the plugin features
116**
117** Note :
118** "npadtemplates" is used to store the number of GstBinaryPadTemplate structures following the structure itself.
119** "ninterfaces" is used to store the number of GstBinaryInterface structures following the structure itself.
120** "nuritypes" is used to store the number of GstBinaryUriType structures following the structure itself.
121*/
122#define GST_BINARY_REGISTRY_TYPENAME_TYPENAME_LEN (256)
123#define GST_BINARY_REGISTRY_TYPENAME_NAME_LEN (256)
124#define GST_BINARY_REGISTRY_TYPENAME_LONGNAME_LEN (1024)
125#define GST_BINARY_REGISTRY_TYPENAME_CLASS_LEN (512)
126#define GST_BINARY_REGISTRY_TYPENAME_DESCRIPTION_LEN (1024)
127#define GST_BINARY_REGISTRY_TYPENAME_AUTHOR_LEN (256)
128
129typedef struct _GstBinaryPluginFeature
130{
131 char typename[GST_BINARY_REGISTRY_TYPENAME_TYPENAME_LEN];
132 char name[GST_BINARY_REGISTRY_TYPENAME_NAME_LEN];
133 unsigned long rank;
134 char longname[GST_BINARY_REGISTRY_TYPENAME_LONGNAME_LEN];
135 char class[GST_BINARY_REGISTRY_TYPENAME_CLASS_LEN];
136 char description[GST_BINARY_REGISTRY_TYPENAME_DESCRIPTION_LEN];
137 char author[GST_BINARY_REGISTRY_TYPENAME_AUTHOR_LEN];
138 unsigned int npadtemplates;
139 unsigned int ninterfaces;
140 unsigned int nuritypes;
141} GstBinaryPluginFeature;
142
143
144/*
145** A structure containing the static pad templates of a plugin feature
146*/
147#define GST_BINARY_REGISTRY_PADTEMPLATE_NAME_LEN (256)
148#define GST_BINARY_REGISTRY_PADTEMPLATE_CAP_LEN (1024)
149
150typedef struct _GstBinaryPadTemplate
151{
152 char name[GST_BINARY_REGISTRY_PADTEMPLATE_NAME_LEN];
153 char cap[GST_BINARY_REGISTRY_PADTEMPLATE_CAP_LEN];
154 int direction; /* Either 0:"sink" or 1:"src" */
155 GstPadPresence presence;
156} GstBinaryPadTemplate;
157
158/*
159** A very simple structure defining the plugin feature interface string
160*/
161#define GST_BINARY_REGISTRY_INTERFACE_INTERFACE_LEN (512)
162typedef struct _GstBinaryInterface
163{
164 char interface[GST_BINARY_REGISTRY_INTERFACE_INTERFACE_LEN];
165 unsigned long size;
166} GstBinaryInterface;
167
168/* Uri Type */
169typedef struct _GstBinaryUriType
170{
171 GstURIType type;
172 unsigned long nuriprotocols;
173} GstBinaryUriType;
174
175/*
176** Function prototypes
177*/
178
179/* Local prototypes */
180inline static gboolean gst_registry_binary_write(GstRegistry *registry, const void *mem, const ssize_t size);
181inline static gboolean gst_registry_binary_initialize_magic(GstBinaryRegistryMagic *m);
182static gboolean gst_registry_binary_fill_feature(GList **list, GstPluginFeature *, GstBinaryPluginFeature *, const char *);
183static gboolean gst_registry_binary_save_plugin(GList **list, GstRegistry *registry, GstPlugin *plugin);
184static gchar *gst_registry_binary_check_magic(gchar *in);
185static GstPluginFeature *gst_registry_binary_load_feature(GstBinaryPluginFeature *);
186static unsigned long gst_registry_binary_get_binary_plugin(GstRegistry *registry, gchar *in);
187
188/* Exportable */
189gboolean gst_registry_binary_write_cache(GstRegistry *registry, const char *location);
190gboolean gst_registry_binary_read_cache(GstRegistry *registry, const char *location);
191
192#endif /* !__GST_REGISTRYBINARY_H__ */
193
194