diff options
Diffstat (limited to 'import-layers/meta-openembedded/meta-multimedia/recipes-multimedia/gstreamer-0.10/gstreamer-0.10.36/gstregistrybinary.h')
-rw-r--r-- | import-layers/meta-openembedded/meta-multimedia/recipes-multimedia/gstreamer-0.10/gstreamer-0.10.36/gstregistrybinary.h | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/import-layers/meta-openembedded/meta-multimedia/recipes-multimedia/gstreamer-0.10/gstreamer-0.10.36/gstregistrybinary.h b/import-layers/meta-openembedded/meta-multimedia/recipes-multimedia/gstreamer-0.10/gstreamer-0.10.36/gstregistrybinary.h new file mode 100644 index 0000000000..2ef24d765d --- /dev/null +++ b/import-layers/meta-openembedded/meta-multimedia/recipes-multimedia/gstreamer-0.10/gstreamer-0.10.36/gstregistrybinary.h @@ -0,0 +1,194 @@ +/* GStreamer + * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu> + * 2000 Wim Taymans <wim.taymans@chello.be> + * + * gstregistry.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., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* SUGGESTIONS AND TODO : +** ==================== +** - Use a compressed registry, but would induce performance loss +** - Encrypt the registry, for security purpose, but would also reduce performances +** - Also have a non-mmap based cache reading (work with file descriptors) +*/ + +#ifndef __GST_REGISTRYBINARY_H__ +#define __GST_REGISTRYBINARY_H__ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include <stdio.h> +#include <errno.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <dirent.h> +#include <fcntl.h> +#include <sys/mman.h> +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#endif + +#include <gst/gst_private.h> +#include <gst/gstelement.h> +#include <gst/gsttypefind.h> +#include <gst/gsttypefindfactory.h> +#include <gst/gsturi.h> +#include <gst/gstinfo.h> +#include <gst/gstenumtypes.h> +#include <gst/gstregistry.h> +#include <gst/gstpadtemplate.h> + +#include "glib-compat-private.h" +#include <glib/gstdio.h> + +/* A magic, written at the beginning of the file */ +#define GST_MAGIC_BINARY_REGISTRY_STR "\xc0\xde\xf0\x0d" +#define GST_MAGIC_BINARY_REGISTRY_LEN (4) +#define GST_MAGIC_BINARY_VERSION_LEN (64) + +typedef struct _GstBinaryRegistryMagic +{ + char magic[GST_MAGIC_BINARY_REGISTRY_LEN]; + char version[GST_MAGIC_BINARY_VERSION_LEN]; +} GstBinaryRegistryMagic; + + +/* Used to store pointers to write */ +typedef struct _GstBinaryChunck +{ + void *data; + unsigned int size; +} GstBinaryChunck; + + +/* A structure containing (staticely) every information needed for a plugin +** +** Notes : +** "nfeatures" is used to say how many GstBinaryPluginFeature structures we will have +** right after the structure itself. +*/ + +/* Various lenght defines for our GstBinaryPluginElement structure +** Note : We could eventually use smaller size +*/ +#define GST_BINARY_REGISTRY_NAME_LEN (256) +#define GST_BINARY_REGISTRY_DESCRIPTION_LEN (1024) +#define GST_BINARY_REGISTRY_VERSION_LEN (64) +#define GST_BINARY_REGISTRY_LICENSE_LEN (256) +#define GST_BINARY_REGISTRY_SOURCE_LEN (256) +#define GST_BINARY_REGISTRY_PACKAGE_LEN (1024) +#define GST_BINARY_REGISTRY_ORIGIN_LEN (1024) + +typedef struct _GstBinaryPluginElement +{ + char name[GST_BINARY_REGISTRY_NAME_LEN]; + char description[GST_BINARY_REGISTRY_DESCRIPTION_LEN]; + char filename[_POSIX_PATH_MAX]; + char version[GST_BINARY_REGISTRY_VERSION_LEN]; + char license[GST_BINARY_REGISTRY_LICENSE_LEN]; + char source[GST_BINARY_REGISTRY_SOURCE_LEN]; + char package[GST_BINARY_REGISTRY_PACKAGE_LEN]; + char origin[GST_BINARY_REGISTRY_ORIGIN_LEN]; + unsigned long size; + unsigned long m32p; + unsigned int nfeatures; +} GstBinaryPluginElement; + + +/* A structure containing the plugin features +** +** Note : +** "npadtemplates" is used to store the number of GstBinaryPadTemplate structures following the structure itself. +** "ninterfaces" is used to store the number of GstBinaryInterface structures following the structure itself. +** "nuritypes" is used to store the number of GstBinaryUriType structures following the structure itself. +*/ +#define GST_BINARY_REGISTRY_TYPENAME_TYPENAME_LEN (256) +#define GST_BINARY_REGISTRY_TYPENAME_NAME_LEN (256) +#define GST_BINARY_REGISTRY_TYPENAME_LONGNAME_LEN (1024) +#define GST_BINARY_REGISTRY_TYPENAME_CLASS_LEN (512) +#define GST_BINARY_REGISTRY_TYPENAME_DESCRIPTION_LEN (1024) +#define GST_BINARY_REGISTRY_TYPENAME_AUTHOR_LEN (256) + +typedef struct _GstBinaryPluginFeature +{ + char typename[GST_BINARY_REGISTRY_TYPENAME_TYPENAME_LEN]; + char name[GST_BINARY_REGISTRY_TYPENAME_NAME_LEN]; + unsigned long rank; + char longname[GST_BINARY_REGISTRY_TYPENAME_LONGNAME_LEN]; + char class[GST_BINARY_REGISTRY_TYPENAME_CLASS_LEN]; + char description[GST_BINARY_REGISTRY_TYPENAME_DESCRIPTION_LEN]; + char author[GST_BINARY_REGISTRY_TYPENAME_AUTHOR_LEN]; + unsigned int npadtemplates; + unsigned int ninterfaces; + unsigned int nuritypes; +} GstBinaryPluginFeature; + + +/* +** A structure containing the static pad templates of a plugin feature +*/ +#define GST_BINARY_REGISTRY_PADTEMPLATE_NAME_LEN (256) +#define GST_BINARY_REGISTRY_PADTEMPLATE_CAP_LEN (1024) + +typedef struct _GstBinaryPadTemplate +{ + char name[GST_BINARY_REGISTRY_PADTEMPLATE_NAME_LEN]; + char cap[GST_BINARY_REGISTRY_PADTEMPLATE_CAP_LEN]; + int direction; /* Either 0:"sink" or 1:"src" */ + GstPadPresence presence; +} GstBinaryPadTemplate; + +/* +** A very simple structure defining the plugin feature interface string +*/ +#define GST_BINARY_REGISTRY_INTERFACE_INTERFACE_LEN (512) +typedef struct _GstBinaryInterface +{ + char interface[GST_BINARY_REGISTRY_INTERFACE_INTERFACE_LEN]; + unsigned long size; +} GstBinaryInterface; + +/* Uri Type */ +typedef struct _GstBinaryUriType +{ + GstURIType type; + unsigned long nuriprotocols; +} GstBinaryUriType; + +/* +** Function prototypes +*/ + +/* Local prototypes */ +inline static gboolean gst_registry_binary_write(GstRegistry *registry, const void *mem, const ssize_t size); +inline static gboolean gst_registry_binary_initialize_magic(GstBinaryRegistryMagic *m); +static gboolean gst_registry_binary_fill_feature(GList **list, GstPluginFeature *, GstBinaryPluginFeature *, const char *); +static gboolean gst_registry_binary_save_plugin(GList **list, GstRegistry *registry, GstPlugin *plugin); +static gchar *gst_registry_binary_check_magic(gchar *in); +static GstPluginFeature *gst_registry_binary_load_feature(GstBinaryPluginFeature *); +static unsigned long gst_registry_binary_get_binary_plugin(GstRegistry *registry, gchar *in); + +/* Exportable */ +gboolean gst_registry_binary_write_cache(GstRegistry *registry, const char *location); +gboolean gst_registry_binary_read_cache(GstRegistry *registry, const char *location); + +#endif /* !__GST_REGISTRYBINARY_H__ */ + + |