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commit binary registry (disabled by default, see #359653)

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Original commit message from CVS:
* configure.ac:
* docs/gst/gstreamer-sections.txt:
* gst/Makefile.am:
* gst/gstregistry.c: (gst_registry_lookup_feature_locked),
(gst_registry_lookup_locked):
* gst/gstregistry.h:
* gst/gstregistrybinary.c: (gst_registry_binary_write),
(gst_registry_binary_initialize_magic),
(gst_registry_binary_save_string),
(gst_registry_binary_save_pad_template),
(gst_registry_binary_save_feature),
(gst_registry_binary_save_plugin),
(gst_registry_binary_write_cache),
(gst_registry_binary_check_magic),
(gst_registry_binary_load_pad_template),
(gst_registry_binary_load_feature),
(gst_registry_binary_load_plugin),
(gst_registry_binary_read_cache):
* gst/gstregistrybinary.h:
* gst/gstregistryxml.c: (load_feature),
(gst_registry_xml_read_cache):
commit binary registry (disabled by default, see #359653)
This commit is contained in:
Stefan Kost 2007-01-11 13:45:51 +00:00
parent 4a911a8100
commit ebf0c9d353
9 changed files with 978 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

25
ChangeLog
View file

@ -1,3 +1,28 @@
2007-01-11 Stefan Kost <ensonic@users.sf.net>
* configure.ac:
* docs/gst/gstreamer-sections.txt:
* gst/Makefile.am:
* gst/gstregistry.c: (gst_registry_lookup_feature_locked),
(gst_registry_lookup_locked):
* gst/gstregistry.h:
* gst/gstregistrybinary.c: (gst_registry_binary_write),
(gst_registry_binary_initialize_magic),
(gst_registry_binary_save_string),
(gst_registry_binary_save_pad_template),
(gst_registry_binary_save_feature),
(gst_registry_binary_save_plugin),
(gst_registry_binary_write_cache),
(gst_registry_binary_check_magic),
(gst_registry_binary_load_pad_template),
(gst_registry_binary_load_feature),
(gst_registry_binary_load_plugin),
(gst_registry_binary_read_cache):
* gst/gstregistrybinary.h:
* gst/gstregistryxml.c: (load_feature),
(gst_registry_xml_read_cache):
commit binary registry (disabled by default, see #359653)
2007-01-11 Tim-Philipp Müller <tim at centricular dot net>
* tests/check/gst/gstpad.c: (test_get_allowed_caps):

17
configure.ac
View file

@ -191,6 +191,23 @@ if test "x$USE_POISONING" = xyes; then
[Define if we should poison deallocated memory])
fi
dnl Use binary registry
AC_ARG_ENABLE(binary-registry,
AC_HELP_STRING([--enable-binary-registry],
[enable experimental binary registry]),
[
case "${enableval}" in
yes) USE_BINARY_REGISTRY=yes ;;
no) USE_BINARY_REGISTRY=no ;;
*) AC_MSG_ERROR(bad value ${enableval} for --enable-binary-registry) ;;
esac
],
[USE_BINARY_REGISTRY=no]) dnl Default value
if test "x$USE_BINARY_REGISTRY" = xyes; then
AC_DEFINE(USE_BINARY_REGISTRY, 1,
[Define if we should use binary registry instead xml registry])
fi
dnl *** checks for platform ***
dnl * hardware/architecture *

5
docs/gst/gstreamer-sections.txt
View file

@ -1649,6 +1649,8 @@ gst_registry_find_plugin
gst_registry_find_feature
gst_registry_lookup_feature
gst_registry_scan_path
gst_registry_binary_read_cache
gst_registry_binary_write_cache
gst_registry_xml_read_cache
gst_registry_xml_write_cache
gst_registry_lookup
@ -1672,6 +1674,9 @@ GST_IS_REGISTRY_CLASS
GST_REGISTRY_GET_CLASS
GST_TYPE_REGISTRY
<SUBSECTION Private>
GST_MAGIC_BINARY_REGISTRY_LEN
GST_MAGIC_BINARY_REGISTRY_STR
GST_MAGIC_BINARY_VERSION_LEN
gst_registry_get_type
</SECTION>

3
gst/Makefile.am
View file

@ -9,7 +9,7 @@ endif
if GST_DISABLE_REGISTRY
GST_REGISTRY_SRC =
else
GST_REGISTRY_SRC = gstregistryxml.c
GST_REGISTRY_SRC = gstregistryxml.c gstregistrybinary.c
endif
if GST_DISABLE_PARSE
@ -210,6 +210,7 @@ noinst_HEADERS = \
gst-i18n-lib.h \
gst-i18n-app.h \
gstquark.h \
gstregistrybinary.h \
gst_private.h
gstmarshal.h: gstmarshal.list

2
gst/gstregistry.c
View file

@ -684,6 +684,7 @@ gst_registry_lookup_feature_locked (GstRegistry * registry, const char *name)
if (G_UNLIKELY (name == NULL))
return NULL;
/* FIXME: use GTree speed up lookups */
for (g = registry->features; g; g = g_list_next (g)) {
feature = GST_PLUGIN_FEATURE_CAST (g->data);
if (feature->name && strcmp (name, feature->name) == 0) {
@ -734,6 +735,7 @@ gst_registry_lookup_locked (GstRegistry * registry, const char *filename)
return NULL;
basename = g_path_get_basename (filename);
/* FIXME: use GTree speed up lookups */
for (g = registry->plugins; g; g = g_list_next (g)) {
plugin = GST_PLUGIN_CAST (g->data);
if (plugin->basename && strcmp (basename, plugin->basename) == 0) {

10
gst/gstregistry.h
View file

@ -50,7 +50,10 @@ struct _GstRegistry {
GstObject object;
/*< private >*/
GList *plugins;
/* FIXME: shouldn't we use GTree for these to speedup
* gst_registry_lookup_feature_locked(), gst_registry_lookup_locked()
*/
GList *plugins;
GList *features;
GList *paths;
@ -106,8 +109,13 @@ GstPluginFeature* gst_registry_find_feature (GstRegistry *registry, const gchar
GstPlugin * gst_registry_lookup (GstRegistry *registry, const char *filename);
GstPluginFeature * gst_registry_lookup_feature (GstRegistry *registry, const char *name);
#ifdef USE_BINARY_REGISTRY
gboolean gst_registry_binary_read_cache (GstRegistry * registry, const char *location);
gboolean gst_registry_binary_write_cache (GstRegistry * registry, const char *location);
#else
gboolean gst_registry_xml_read_cache (GstRegistry * registry, const char *location);
gboolean gst_registry_xml_write_cache (GstRegistry * registry, const char *location);
#endif
/* convinience defines for the default registry */

741
gst/gstregistrybinary.c Normal file
View file

@ -0,0 +1,741 @@
/* GStreamer
* Copyright (C) 2006 Josep Torra <josep@fluendo.com>
* 2006 Mathieu Garcia <matthieu@fluendo.com>
* 2006 Stefan Kost <ensonic@sonicpulse.de>
*
* gstregistrybinary.c: GstRegistryBinary object, support routines
*
* This library is free software; you can redistribute it and/or
* modify it ulnder 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.
*/
/* FIXME:
* - Add random key to libgstreamer during build and only accept registry,
* if key matches
* - handle cases where we can't mmap
* - keep registry binary blob and reference strings
* (need const flags in GstPlugin, etc.)
* - why do we collect a list of binary chunks and not write immediately
* - need more robustness
* - don't parse beyond mem-block size
* - include md5-sum ?
*/
#include <gst/gstregistrybinary.h>
#define GST_CAT_DEFAULT GST_CAT_REGISTRY
/* macros */
#define unpack_element(_inptr, _outptr, _element) \
_outptr = (_element *)_inptr; \
_inptr += sizeof (_element)
#define unpack_string(_inptr, _outptr) \
_outptr = g_strdup ((gchar *)_inptr); \
_inptr += strlen(_outptr) + 1
#if !GST_HAVE_UNALIGNED_ACCESS
# define alignment32(_address) (size_t)_address%4
# define align32(_ptr) _ptr += (( alignment32(_ptr) == 0) ? 0 : 4-alignment32(_ptr))
#else
# define alignment32(_address) 0
# define align32(_ptr) do {} while(0)
#endif
/* Registry saving */
/*
* gst_registry_binary_write:
*
* Write from a memory location to the registry cache file
*
* Returns: %TRUE for success
*/
inline static gboolean
gst_registry_binary_write (GstRegistry * registry, const void *mem,
const ssize_t size, unsigned long *file_position, gboolean align)
{
#if !GST_HAVE_UNALIGNED_ACCESS
gchar padder[] = { 0, 0, 0, 0 };
int padsize = 0;
/* Padding to insert the struct that requiere word alignment */
if ((align) && (alignment32 (*file_position) != 0)) {
padsize = 4 - alignment32 (*file_position);
if (write (registry->cache_file, padder, padsize) != padsize) {
GST_ERROR ("Failed to write binary registry padder");
return FALSE;
}
*file_position = *file_position + padsize;
}
#endif
if (write (registry->cache_file, mem, size) != size) {
GST_ERROR ("Failed to write binary registry element");
return FALSE;
}
*file_position = *file_position + size;
return TRUE;
}
/*
* gst_registry_binary_initialize_magic:
*
* Initialize the GstBinaryRegistryMagic, setting both our magic number and
* gstreamer major/minor version
*/
inline static gboolean
gst_registry_binary_initialize_magic (GstBinaryRegistryMagic * m)
{
if (!strncpy (m->magic, GST_MAGIC_BINARY_REGISTRY_STR,
GST_MAGIC_BINARY_REGISTRY_LEN)
|| !strncpy (m->version, GST_MAJORMINOR, GST_MAGIC_BINARY_VERSION_LEN)) {
GST_ERROR ("Failed to write magic to the registry magic structure");
return FALSE;
}
return TRUE;
}
/*
* gst_registry_binary_save_string:
*
* Store a string in a binary chunk.
*
* Returns: %TRUE for success
*/
inline static gboolean
gst_registry_binary_save_string (GList ** list, gchar * str)
{
GstBinaryChunk *chunk;
chunk = g_malloc (sizeof (GstBinaryChunk));
chunk->data = str;
chunk->size = strlen ((gchar *) chunk->data) + 1;
chunk->flags = GST_BINARY_REGISTRY_FLAG_CONST;
chunk->align = FALSE;
*list = g_list_prepend (*list, chunk);
return TRUE;
}
/*
* gst_registry_binary_save_pad_template:
*
* Store pad_templates in binary chunks.
*
* Returns: %TRUE for success
*/
static gboolean
gst_registry_binary_save_pad_template (GList ** list,
GstStaticPadTemplate * template)
{
GstBinaryPadTemplate *pt;
GstBinaryChunk *chk;
pt = g_malloc (sizeof (GstBinaryPadTemplate));
chk = g_malloc (sizeof (GstBinaryChunk));
chk->data = pt;
chk->size = sizeof (GstBinaryPadTemplate);
chk->flags = GST_BINARY_REGISTRY_FLAG_NONE;
chk->align = TRUE;
pt->presence = template->presence;
pt->direction = template->direction;
/* pack pad template strings */
gst_registry_binary_save_string (list,
(gchar *) (template->static_caps.string));
gst_registry_binary_save_string (list, template->name_template);
*list = g_list_prepend (*list, chk);
return TRUE;
}
/*
* gst_registry_binary_save_feature:
*
* Store features in binary chunks.
*
* Returns: %TRUE for success
*/
static gboolean
gst_registry_binary_save_feature (GList ** list, GstPluginFeature * feature)
{
const gchar *type_name = g_type_name (G_OBJECT_TYPE (feature));
GstBinaryPluginFeature *pf;
GstBinaryChunk *chk;
GList *walk;
if (!type_name) {
GST_ERROR ("NULL feature type_name, aborting.");
return FALSE;
}
pf = g_malloc (sizeof (GstBinaryPluginFeature));
chk = g_malloc (sizeof (GstBinaryChunk));
chk->data = pf;
chk->size = sizeof (GstBinaryPluginFeature);
chk->flags = GST_BINARY_REGISTRY_FLAG_NONE;
chk->align = TRUE;
pf->rank = feature->rank;
pf->npadtemplates = pf->ninterfaces = pf->nuritypes = 0;
if (GST_IS_ELEMENT_FACTORY (feature)) {
GstElementFactory *factory = GST_ELEMENT_FACTORY (feature);
/* save pad-templates */
for (walk = factory->staticpadtemplates; walk;
walk = g_list_next (walk), pf->npadtemplates++) {
GstStaticPadTemplate *template = walk->data;
if (!gst_registry_binary_save_pad_template (list, template)) {
GST_ERROR ("Can't fill pad template, aborting.");
goto fail;
}
}
/* pack element factory strings */
gst_registry_binary_save_string (list, factory->details.author);
gst_registry_binary_save_string (list, factory->details.description);
gst_registry_binary_save_string (list, factory->details.klass);
gst_registry_binary_save_string (list, factory->details.longname);
}
/* pack plugin feature strings */
gst_registry_binary_save_string (list, feature->name);
gst_registry_binary_save_string (list, (gchar *) type_name);
*list = g_list_prepend (*list, chk);
/* FIXME: save interfaces and uritypes */
return TRUE;
/* Errors */
fail:
g_free (chk);
g_free (pf);
return FALSE;
}
/*
* gst_registry_binary_save_plugin:
*
* Adapt a GstPlugin to our GstBinaryPluginElement structure, and write it to
* the registry file.
*/
static gboolean
gst_registry_binary_save_plugin (GList ** list, GstRegistry * registry,
GstPlugin * plugin)
{
GstBinaryPluginElement *pe;
GstBinaryChunk *chk;
GList *plugin_features = NULL;
GList *walk;
pe = g_malloc (sizeof (GstBinaryPluginElement));
chk = g_malloc (sizeof (GstBinaryChunk));
chk->data = pe;
chk->size = sizeof (GstBinaryPluginElement);
chk->flags = GST_BINARY_REGISTRY_FLAG_NONE;
chk->align = TRUE;
pe->file_size = plugin->file_size;
pe->file_mtime = plugin->file_mtime;
pe->nfeatures = 0;
/* pack plugin features */
plugin_features =
gst_registry_get_feature_list_by_plugin (registry, plugin->desc.name);
for (walk = plugin_features; walk; walk = g_list_next (walk), pe->nfeatures++) {
GstPluginFeature *feature = GST_PLUGIN_FEATURE (walk->data);
if (!gst_registry_binary_save_feature (list, feature)) {
GST_ERROR ("Can't fill plugin feature, aborting.");
goto fail;
}
}
GST_DEBUG ("Save plugin '%s' with %d features", plugin->desc.name,
pe->nfeatures);
gst_plugin_feature_list_free (plugin_features);
/* pack plugin element strings */
gst_registry_binary_save_string (list, plugin->desc.origin);
gst_registry_binary_save_string (list, plugin->desc.package);
gst_registry_binary_save_string (list, plugin->desc.source);
gst_registry_binary_save_string (list, plugin->desc.license);
gst_registry_binary_save_string (list, plugin->desc.version);
gst_registry_binary_save_string (list, plugin->filename);
gst_registry_binary_save_string (list, plugin->desc.description);
gst_registry_binary_save_string (list, plugin->desc.name);
*list = g_list_prepend (*list, chk);
GST_DEBUG ("Found %d features in plugin \"%s\"", pe->nfeatures,
plugin->desc.name);
return TRUE;
/* Errors */
fail:
gst_plugin_feature_list_free (plugin_features);
g_free (chk);
g_free (pe);
return FALSE;
}
/**
* gst_registry_binary_write_cache:
*
* Write the cache to file. Part of the code was taken from gstregistryxml.c
*/
gboolean
gst_registry_binary_write_cache (GstRegistry * registry, const char *location)
{
GList *walk;
char *tmp_location;
GstBinaryRegistryMagic *magic;
GstBinaryChunk *magic_chunk;
GList *to_write = NULL;
unsigned long file_position = 0;
GST_INFO ("Building binary registry cache image");
g_return_val_if_fail (GST_IS_REGISTRY (registry), FALSE);
tmp_location = g_strconcat (location, ".tmpXXXXXX", NULL);
registry->cache_file = g_mkstemp (tmp_location);
if (registry->cache_file == -1) {
char *dir;
/* oops, I bet the directory doesn't exist */
dir = g_path_get_dirname (location);
g_mkdir_with_parents (dir, 0777);
g_free (dir);
/* the previous g_mkstemp call overwrote the XXXXXX placeholder ... */
g_free (tmp_location);
tmp_location = g_strconcat (location, ".tmpXXXXXX", NULL);
registry->cache_file = g_mkstemp (tmp_location);
if (registry->cache_file == -1) {
GST_DEBUG ("g_mkstemp() failed: %s", g_strerror (errno));
g_free (tmp_location);
return FALSE;
}
}
magic = g_malloc (sizeof (GstBinaryRegistryMagic));
if (!gst_registry_binary_initialize_magic (magic))
goto fail;
magic_chunk = g_malloc (sizeof (GstBinaryChunk));
magic_chunk->data = magic;
magic_chunk->size = sizeof (GstBinaryRegistryMagic);
magic_chunk->flags = GST_BINARY_REGISTRY_FLAG_NONE;
magic_chunk->align = TRUE;
/* iterate trough the list of plugins and fit them into binary structures */
for (walk = registry->plugins; walk; walk = g_list_next (walk)) {
GstPlugin *plugin = GST_PLUGIN (walk->data);
if (!plugin->filename)
continue;
if (plugin->flags & GST_PLUGIN_FLAG_CACHED) {
int ret;
struct stat statbuf;
ret = g_stat (plugin->filename, &statbuf);
if ((ret = g_stat (plugin->filename, &statbuf)) < 0 ||
plugin->file_mtime != statbuf.st_mtime ||
plugin->file_size != statbuf.st_size)
continue;
}
if (!gst_registry_binary_save_plugin (&to_write, registry, plugin)) {
GST_ERROR ("Can't write binary plugin information for \"%s\"",
plugin->filename);
}
}
to_write = g_list_prepend (to_write, magic_chunk);
GST_INFO ("Writing binary registry cache");
/* write out data chunks */
for (walk = to_write; walk; walk = g_list_next (walk)) {
GstBinaryChunk *cur = walk->data;
if (!gst_registry_binary_write (registry, cur->data, cur->size,
&file_position, cur->align)) {
if (!(cur->flags & GST_BINARY_REGISTRY_FLAG_CONST))
g_free (cur->data);
g_free (cur);
g_list_free (to_write);
goto fail;
}
if (!(cur->flags & GST_BINARY_REGISTRY_FLAG_CONST))
g_free (cur->data);
g_free (cur);
}
g_list_free (to_write);
if (close (registry->cache_file) < 0) {
GST_DEBUG ("Can't close registry file : %s", strerror (errno));
goto fail;
}
if (g_file_test (tmp_location, G_FILE_TEST_EXISTS)) {
#ifdef WIN32
remove (location);
#endif
rename (tmp_location, location);
}
g_free (tmp_location);
GST_INFO ("Wrote binary registry cache");
return TRUE;
/* Errors */
fail:
g_free (tmp_location);
return FALSE;
}
/* Registry loading */
/*
* gst_registry_binary_check_magic:
*
* Check GstBinaryRegistryMagic validity.
* Return FALSE if something is wrong
*/
static gboolean
gst_registry_binary_check_magic (gchar ** in)
{
GstBinaryRegistryMagic *m;
align32 (*in);
GST_DEBUG ("Reading/casting for GstBinaryRegistryMagic at address %p", *in);
unpack_element (*in, m, GstBinaryRegistryMagic);
if (m == NULL || m->magic == NULL || m->version == NULL) {
GST_ERROR ("Binary registry magic structure is broken");
return FALSE;
}
if (strncmp (m->magic, GST_MAGIC_BINARY_REGISTRY_STR,
GST_MAGIC_BINARY_REGISTRY_LEN) != 0) {
GST_ERROR
("Binary registry magic is different : %02x%02x%02x%02x != %02x%02x%02x%02x",
GST_MAGIC_BINARY_REGISTRY_STR[0] & 0xff,
GST_MAGIC_BINARY_REGISTRY_STR[1] & 0xff,
GST_MAGIC_BINARY_REGISTRY_STR[2] & 0xff,
GST_MAGIC_BINARY_REGISTRY_STR[3] & 0xff, m->magic[0] & 0xff,
m->magic[1] & 0xff, m->magic[2] & 0xff, m->magic[3] & 0xff);
return FALSE;
}
if (strncmp (m->version, GST_MAJORMINOR, GST_MAGIC_BINARY_VERSION_LEN)) {
GST_ERROR ("Binary registry magic version is different : %s != %s",
GST_MAJORMINOR, m->version);
return FALSE;
}
return TRUE;
}
/*
* gst_registry_binary_load_pad_template:
*
* Make a new GstStaticPadTemplate from current GstBinaryPadTemplate structure
*
* Returns: new GstStaticPadTemplate
*/
static gboolean
gst_registry_binary_load_pad_template (GstElementFactory * factory, gchar ** in)
{
GstBinaryPadTemplate *pt;
GstStaticPadTemplate *template;
align32 (*in);
GST_DEBUG ("Reading/casting for GstBinaryPadTemplate at address %p", *in);
unpack_element (*in, pt, GstBinaryPadTemplate);
template = g_new0 (GstStaticPadTemplate, 1);
template->presence = pt->presence;
template->direction = pt->direction;
/* unpack pad template strings */
unpack_string (*in, template->name_template);
unpack_string (*in, template->static_caps.string);
__gst_element_factory_add_static_pad_template (factory, template);
GST_DEBUG ("Added pad_template %s", template->name_template);
return TRUE;
}
/*
* gst_registry_binary_load_feature:
*
* Make a new GstPluginFeature from current GstBinaryPluginFeature structure
*
* Returns: new GstPluginFeature
*/
static gboolean
gst_registry_binary_load_feature (GstRegistry * registry, gchar ** in,
gchar * plugin_name)
{
GstBinaryPluginFeature *pf;
GstPluginFeature *feature;
gchar *type_name;
GType type;
guint i;
align32 (*in);
GST_DEBUG ("Reading/casting for GstBinaryPluginFeature at address %p", *in);
unpack_element (*in, pf, GstBinaryPluginFeature);
/* unpack plugin feature strings */
unpack_string (*in, type_name);
if (!type_name || !*(type_name))
return FALSE;
GST_DEBUG ("Plugin '%s' feature typename : '%s'", plugin_name, type_name);
if (!(type = g_type_from_name (type_name))) {
GST_ERROR ("Unknown type from typename '%s' for plugin '%s'", type_name,
plugin_name);
return FALSE;
}
if ((feature = g_object_new (type, NULL)) == NULL) {
GST_ERROR ("Can't create feature from type");
return FALSE;
}
if (!GST_IS_PLUGIN_FEATURE (feature)) {
GST_ERROR ("typename : '%s' is not a plgin feature", type_name);
goto fail;
}
feature->rank = pf->rank;
feature->plugin_name = plugin_name;
/* unpack more plugin feature strings */
unpack_string (*in, feature->name);
if (GST_IS_ELEMENT_FACTORY (feature)) {
GstElementFactory *factory = GST_ELEMENT_FACTORY (feature);
/* unpack element factory strings */
unpack_string (*in, factory->details.longname);
unpack_string (*in, factory->details.klass);
unpack_string (*in, factory->details.description);
unpack_string (*in, factory->details.author);
GST_DEBUG ("Element factory : '%s' with npadtemplates=%d",
factory->details.longname, pf->npadtemplates);
/* load pad templates */
for (i = 0; i < pf->npadtemplates; i++) {
if (!gst_registry_binary_load_pad_template (factory, in)) {
GST_ERROR ("Error while loading binary pad template");
goto fail;
}
}
}
gst_registry_add_feature (registry, feature);
GST_DEBUG ("Added feature %s", feature->name);
/* FIXME: handle interfaces and uritypes */
#if 0
for (i = 0; i < pf->ninterfaces; i++) {
// read string
__gst_element_factory_add_interface (factory, s);
}
for (i = 0; i < pf->nuritypes; i++) {
// read string
add_to_char_array (&factory->uri_protocols, s);
}
#endif
return TRUE;
/* Errors */
fail:
if (GST_IS_OBJECT (feature))
gst_object_unref (feature);
else
g_object_unref (feature);
return FALSE;
}
/*
* gst_registry_binary_load_plugin:
*
* Make a new GstPlugin from current GstBinaryPluginElement structure
* and save it to the GstRegistry. Return an offset to the next
* GstBinaryPluginElement structure.
*/
static gboolean
gst_registry_binary_load_plugin (GstRegistry * registry, gchar ** in)
{
GstBinaryPluginElement *pe;
GstPlugin *plugin = NULL;
guint i;
align32 (*in);
GST_DEBUG ("Reading/casting for GstBinaryPluginElement at address %p", *in);
unpack_element (*in, pe, GstBinaryPluginElement);
if (pe->nfeatures < 0) {
GST_ERROR ("The number of feature structure is not valid !");
return FALSE;
}
if (pe->file_mtime < 0 || pe->file_size < 0) {
GST_ERROR ("Plugin time or file size is not valid !");
return FALSE;
}
GST_DEBUG ("Adding plugin with %d features from binary registry",
pe->nfeatures);
plugin = g_object_new (GST_TYPE_PLUGIN, NULL);
plugin->flags |= GST_PLUGIN_FLAG_CACHED;
plugin->file_mtime = pe->file_mtime;
plugin->file_size = pe->file_size;
/* unpack plugin element strings */
unpack_string (*in, plugin->desc.name);
unpack_string (*in, plugin->desc.description);
unpack_string (*in, plugin->filename);
unpack_string (*in, plugin->desc.version);
unpack_string (*in, plugin->desc.license);
unpack_string (*in, plugin->desc.source);
unpack_string (*in, plugin->desc.package);
unpack_string (*in, plugin->desc.origin);
GST_DEBUG ("read strings for '%s'", plugin->desc.name);
plugin->basename = g_path_get_basename (plugin->filename);
gst_registry_add_plugin (registry, plugin);
GST_DEBUG ("Added plugin '%s' from binary registry", plugin->desc.name);
GST_DEBUG ("Number of features %d", pe->nfeatures);
for (i = 0; i < pe->nfeatures; i++) {
if (!gst_registry_binary_load_feature (registry, in,
g_strdup (plugin->desc.name))) {
GST_ERROR ("Error while loading binary feature");
goto fail;
}
}
return TRUE;
/* Errors */
fail:
gst_object_unref (plugin);
return FALSE;
}
/**
* gst_registry_binary_read_cache:
* @registry: a #GstRegistry
* @location: a filename
*
* Read the contents of the binary cache file at @location into @registry.
*
* Returns: %TRUE on success.
*/
gboolean
gst_registry_binary_read_cache (GstRegistry * registry, const char *location)
{
GMappedFile *mapped = NULL;
GTimer *timer = NULL;
gchar *contents = NULL;
gchar *in = NULL;
gdouble seconds;
gsize size;
GError *err = NULL;
/* make sure these types exist */
GST_TYPE_ELEMENT_FACTORY;
GST_TYPE_TYPE_FIND_FACTORY;
#ifndef GST_DISABLE_INDEX
GST_TYPE_INDEX_FACTORY;
#endif
timer = g_timer_new ();
mapped = g_mapped_file_new (location, FALSE, &err);
if (err != NULL) {
GST_INFO ("Unable to mmap file: %s\n", err->message);
g_error_free (err);
return FALSE;
}
if ((contents = g_mapped_file_get_contents (mapped)) == NULL) {
GST_ERROR ("Can't load file %s : %s", location, strerror (errno));
g_mapped_file_free (mapped);
return FALSE;
}
/* in is a cursor pointer, we initialize it with the begin of registry and is updated on each read */
in = contents;
GST_DEBUG ("File mapped at address %p", in);
/* check length for header */
size = g_mapped_file_get_length (mapped);
if (size < sizeof (GstBinaryRegistryMagic)) {
GST_INFO ("No or broken registry header");
return FALSE;
}
/* check if header is valid */
if (!gst_registry_binary_check_magic (&in)) {
GST_ERROR ("Binary registry type not recognized (invalid magic)");
g_mapped_file_free (mapped);
return FALSE;
}
/* check if there are plugins in the file */
if (!(((size_t) in + sizeof (GstBinaryPluginElement)) <
(size_t) contents + size)) {
GST_INFO ("No binary plugins structure to read");
return TRUE; /* empty file, this is not an error */
}
for (;
((size_t) in + sizeof (GstBinaryPluginElement)) <
(size_t) contents + size;) {
GST_INFO ("reading binary registry %ld(%x)/%ld",
(size_t) in - (size_t) contents, (size_t) in - (size_t) contents, size);
if (!gst_registry_binary_load_plugin (registry, &in)) {
GST_ERROR ("Problem while reading binary registry");
return FALSE;
}
}
g_timer_stop (timer);
seconds = g_timer_elapsed (timer, NULL);
g_timer_destroy (timer);
GST_INFO ("loaded %s in %lf seconds", location, seconds);
g_mapped_file_free (mapped);
return TRUE;
}

173
gst/gstregistrybinary.h Normal file
View file

@ -0,0 +1,173 @@
/* GStreamer
* Copyright (C) 2006 Josep Torra <josep@fluendo.com>
* 2006 Mathieu Garcia <matthieu@fluendo.com>
* 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., 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/gstconfig.h>
#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>
/*
* GST_MAGIC_BINARY_REGISTRY_STR:
*
* A tag, written at the beginning of the file
*/
#define GST_MAGIC_BINARY_REGISTRY_STR "\xc0\xde\xf0\x0d"
/*
* GST_MAGIC_BINARY_REGISTRY_LEN:
*
* length of the header tag.
*/
#define GST_MAGIC_BINARY_REGISTRY_LEN (4)
/*
* GST_MAGIC_BINARY_VERSION_LEN:
*
* length of the version string.
*/
#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;
/*
* we reference strings directly from the plugins and in this case set CONST to
* avoid freeing them
*/
enum {
GST_BINARY_REGISTRY_FLAG_NONE = 0,
GST_BINARY_REGISTRY_FLAG_CONST = 1
};
/* GstBinaryChunk:
*
* Header for binary blobs
*/
typedef struct _GstBinaryChunk
{
void *data;
unsigned int size;
unsigned int flags;
gboolean align;
} GstBinaryChunk;
/* 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.
*/
typedef struct _GstBinaryPluginElement
{
unsigned long file_size;
unsigned long file_mtime;
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.
*/
typedef struct _GstBinaryPluginFeature
{
unsigned long rank;
unsigned int npadtemplates;
unsigned int ninterfaces;
unsigned int nuritypes;
} GstBinaryPluginFeature;
/*
** A structure containing the static pad templates of a plugin feature
*/
typedef struct _GstBinaryPadTemplate
{
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; /* GST_URI_SINK / GST_URI_SRC */
unsigned long nuriprotocols;
} GstBinaryUriType;
/* Function prototypes */
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__ */

9
gst/gstregistryxml.c
View file

@ -249,7 +249,7 @@ load_feature (xmlTextReaderPtr reader)
feature_name =
(gchar *) xmlTextReaderGetAttribute (reader, BAD_CAST "typename");
GST_DEBUG ("loading feature");
GST_LOG ("loading feature");
if (!feature_name)
return NULL;
@ -480,10 +480,9 @@ load_plugin (xmlTextReaderPtr reader, GList ** feature_list)
* @registry: a #GstRegistry
* @location: a filename
*
* Read the contents of the XML cache file at location
* @location into @registry.
* Read the contents of the XML cache file at @location into @registry.
*
* Returns: TRUE on success.
* Returns: %TRUE on success.
*/
gboolean
gst_registry_xml_read_cache (GstRegistry * registry, const char *location)
@ -573,7 +572,7 @@ gst_registry_xml_read_cache (GstRegistry * registry, const char *location)
seconds = g_timer_elapsed (timer, NULL);
g_timer_destroy (timer);
GST_INFO ("loaded %s in %f seconds", location, seconds);
GST_INFO ("loaded %s in %lf seconds", location, seconds);
if (mapped)
g_mapped_file_free (mapped);