2 * Copyright (C) 2006 Josep Torra <josep@fluendo.com>
3 * 2006 Mathieu Garcia <matthieu@fluendo.com>
4 * 2006,2007 Stefan Kost <ensonic@users.sf.net>
5 * 2008 Sebastian Dröge <slomo@circular-chaos.org>
6 * 2008 Jan Schmidt <jan.schmidt@sun.com>
8 * gstregistrychunks.c: GstRegistryChunk helper for serialising/deserialising
9 * plugin entries and features.
11 * This library is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Library General Public
13 * License as published by the Free Software Foundation; either
14 * version 2 of the License, or (at your option) any later version.
16 * This library is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * Library General Public License for more details.
21 * You should have received a copy of the GNU Library General Public
22 * License along with this library; if not, write to the
23 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
24 * Boston, MA 02111-1307, USA.
31 #include <gst/gst_private.h>
32 #include <gst/gstconfig.h>
33 #include <gst/gstelement.h>
34 #include <gst/gsttypefind.h>
35 #include <gst/gsttypefindfactory.h>
36 #include <gst/gsturi.h>
37 #include <gst/gstinfo.h>
38 #include <gst/gstenumtypes.h>
39 #include <gst/gstpadtemplate.h>
41 #include <gst/gstregistrychunks.h>
43 #define GST_CAT_DEFAULT GST_CAT_REGISTRY
45 /* count string length, but return -1 if we hit the eof */
47 _strnlen (const gchar * str, gint maxlen)
51 while (G_LIKELY (len < maxlen)) {
52 if (G_UNLIKELY (str[len] == '\0'))
60 #define unpack_element(inptr, outptr, element, endptr, error_label) G_STMT_START{ \
61 if (inptr + sizeof(element) > endptr) { \
62 GST_ERROR ("Failed reading element " G_STRINGIFY (element) \
63 ". Have %d bytes need %" G_GSSIZE_FORMAT, \
64 (int) (endptr - inptr), sizeof(element)); \
67 outptr = (element *) inptr; \
68 inptr += sizeof (element); \
71 #define unpack_const_string(inptr, outptr, endptr, error_label) G_STMT_START{\
72 gint _len = _strnlen (inptr, (endptr-inptr)); \
75 outptr = g_intern_string ((const gchar *)inptr); \
79 #define unpack_string(inptr, outptr, endptr, error_label) G_STMT_START{\
80 gint _len = _strnlen (inptr, (endptr-inptr)); \
83 outptr = g_memdup ((gconstpointer)inptr, _len + 1); \
87 #define unpack_string_nocopy(inptr, outptr, endptr, error_label) G_STMT_START{\
88 gint _len = _strnlen (inptr, (endptr-inptr)); \
91 outptr = (const gchar *)inptr; \
95 #define ALIGNMENT (sizeof (void *))
96 #define alignment(_address) (gsize)_address%ALIGNMENT
97 #define align(_ptr) _ptr += (( alignment(_ptr) == 0) ? 0 : ALIGNMENT-alignment(_ptr))
100 _priv_gst_registry_chunk_free (GstRegistryChunk * chunk)
102 if (!(chunk->flags & GST_REGISTRY_CHUNK_FLAG_CONST)) {
103 if ((chunk->flags & GST_REGISTRY_CHUNK_FLAG_MALLOC))
104 g_free (chunk->data);
106 g_slice_free1 (chunk->size, chunk->data);
108 g_slice_free (GstRegistryChunk, chunk);
112 * gst_registry_chunks_save_const_string:
114 * Store a const string in a binary chunk.
116 * Returns: %TRUE for success
118 inline static gboolean
119 gst_registry_chunks_save_const_string (GList ** list, const gchar * str)
121 GstRegistryChunk *chunk;
123 if (G_UNLIKELY (str == NULL)) {
124 GST_ERROR ("unexpected NULL string in plugin or plugin feature data");
128 chunk = g_slice_new (GstRegistryChunk);
129 chunk->data = (gpointer) str;
130 chunk->size = strlen ((gchar *) chunk->data) + 1;
131 chunk->flags = GST_REGISTRY_CHUNK_FLAG_CONST;
132 chunk->align = FALSE;
133 *list = g_list_prepend (*list, chunk);
138 * gst_registry_chunks_save_string:
140 * Store a string in a binary chunk.
142 * Returns: %TRUE for success
144 inline static gboolean
145 gst_registry_chunks_save_string (GList ** list, gchar * str)
147 GstRegistryChunk *chunk;
149 chunk = g_slice_new (GstRegistryChunk);
151 chunk->size = strlen ((gchar *) chunk->data) + 1;
152 chunk->flags = GST_REGISTRY_CHUNK_FLAG_MALLOC;
153 chunk->align = FALSE;
154 *list = g_list_prepend (*list, chunk);
159 * gst_registry_chunks_save_data:
161 * Store some data in a binary chunk.
163 * Returns: the initialized chunk
165 inline static GstRegistryChunk *
166 gst_registry_chunks_make_data (gpointer data, gulong size)
168 GstRegistryChunk *chunk;
170 chunk = g_slice_new (GstRegistryChunk);
173 chunk->flags = GST_REGISTRY_CHUNK_FLAG_NONE;
180 * gst_registry_chunks_save_pad_template:
182 * Store pad_templates in binary chunks.
184 * Returns: %TRUE for success
187 gst_registry_chunks_save_pad_template (GList ** list,
188 GstStaticPadTemplate * template)
190 GstRegistryChunkPadTemplate *pt;
191 GstRegistryChunk *chk;
193 pt = g_slice_new (GstRegistryChunkPadTemplate);
195 gst_registry_chunks_make_data (pt, sizeof (GstRegistryChunkPadTemplate));
197 pt->presence = template->presence;
198 pt->direction = template->direction;
200 /* pack pad template strings */
201 gst_registry_chunks_save_const_string (list,
202 (gchar *) (template->static_caps.string));
203 gst_registry_chunks_save_const_string (list, template->name_template);
205 *list = g_list_prepend (*list, chk);
210 #define VALIDATE_UTF8(__details, __entry) \
212 if (!g_utf8_validate (__details->__entry, -1, NULL)) { \
213 g_warning ("Invalid UTF-8 in " G_STRINGIFY (__entry) ": %s", \
214 __details->__entry); \
215 g_free (__details->__entry); \
216 __details->__entry = g_strdup ("[ERROR: invalid UTF-8]"); \
221 * gst_registry_chunks_save_feature:
223 * Store features in binary chunks.
225 * Returns: %TRUE for success
228 gst_registry_chunks_save_feature (GList ** list, GstPluginFeature * feature)
230 const gchar *type_name = g_type_name (G_OBJECT_TYPE (feature));
231 GstRegistryChunkPluginFeature *pf = NULL;
232 GstRegistryChunk *chk = NULL;
236 GST_ERROR ("NULL feature type_name, aborting.");
240 if (GST_IS_ELEMENT_FACTORY (feature)) {
241 GstRegistryChunkElementFactory *ef;
242 GstElementFactory *factory = GST_ELEMENT_FACTORY (feature);
243 GstElementDetails *details = &factory->details;
245 /* do the utf-8 validation of the element factory details here to avoid
246 * doing it every time we load */
247 VALIDATE_UTF8 (details, longname);
248 VALIDATE_UTF8 (details, klass);
249 VALIDATE_UTF8 (details, description);
250 VALIDATE_UTF8 (details, author);
252 /* Initialize with zeroes because of struct padding and
253 * valgrind complaining about copying unitialized memory
255 ef = g_slice_new0 (GstRegistryChunkElementFactory);
257 gst_registry_chunks_make_data (ef,
258 sizeof (GstRegistryChunkElementFactory));
259 ef->npadtemplates = ef->ninterfaces = ef->nuriprotocols = 0;
260 pf = (GstRegistryChunkPluginFeature *) ef;
262 /* save interfaces */
263 for (walk = factory->interfaces; walk;
264 walk = g_list_next (walk), ef->ninterfaces++) {
265 gst_registry_chunks_save_const_string (list, (gchar *) walk->data);
267 GST_DEBUG ("Feature %s: saved %d interfaces %d pad templates",
268 feature->name, ef->ninterfaces, ef->npadtemplates);
271 if (GST_URI_TYPE_IS_VALID (factory->uri_type)) {
272 if (factory->uri_protocols && *factory->uri_protocols) {
273 GstRegistryChunk *subchk;
277 gst_registry_chunks_make_data (&factory->uri_type,
278 sizeof (factory->uri_type));
279 subchk->flags = GST_REGISTRY_CHUNK_FLAG_CONST;
281 protocol = factory->uri_protocols;
283 gst_registry_chunks_save_const_string (list, *protocol++);
286 *list = g_list_prepend (*list, subchk);
287 GST_DEBUG ("Saved %d UriTypes", ef->nuriprotocols);
289 g_warning ("GStreamer feature '%s' is URI handler but does not provide"
290 " any protocols it can handle", feature->name);
294 /* save pad-templates */
295 for (walk = factory->staticpadtemplates; walk;
296 walk = g_list_next (walk), ef->npadtemplates++) {
297 GstStaticPadTemplate *template = walk->data;
299 if (!gst_registry_chunks_save_pad_template (list, template)) {
300 GST_ERROR ("Can't fill pad template, aborting.");
305 /* pack element factory strings */
306 gst_registry_chunks_save_const_string (list, details->author);
307 gst_registry_chunks_save_const_string (list, details->description);
308 gst_registry_chunks_save_const_string (list, details->klass);
309 gst_registry_chunks_save_const_string (list, details->longname);
310 if (factory->meta_data) {
311 gst_registry_chunks_save_string (list,
312 gst_structure_to_string (factory->meta_data));
314 gst_registry_chunks_save_const_string (list, "");
316 } else if (GST_IS_TYPE_FIND_FACTORY (feature)) {
317 GstRegistryChunkTypeFindFactory *tff;
318 GstTypeFindFactory *factory = GST_TYPE_FIND_FACTORY (feature);
321 /* Initialize with zeroes because of struct padding and
322 * valgrind complaining about copying unitialized memory
324 tff = g_slice_new0 (GstRegistryChunkTypeFindFactory);
326 gst_registry_chunks_make_data (tff,
327 sizeof (GstRegistryChunkTypeFindFactory));
328 tff->nextensions = 0;
329 pf = (GstRegistryChunkPluginFeature *) tff;
331 /* save extensions */
332 if (factory->extensions) {
333 while (factory->extensions[tff->nextensions]) {
334 gst_registry_chunks_save_const_string (list,
335 factory->extensions[tff->nextensions++]);
340 /* we copy the caps here so we can simplify them before saving. This
341 * is a lot faster when loading them later on */
342 GstCaps *copy = gst_caps_copy (factory->caps);
344 gst_caps_do_simplify (copy);
345 str = gst_caps_to_string (copy);
346 gst_caps_unref (copy);
347 gst_registry_chunks_save_string (list, str);
349 gst_registry_chunks_save_const_string (list, "");
351 } else if (GST_IS_INDEX_FACTORY (feature)) {
352 GstIndexFactory *factory = GST_INDEX_FACTORY (feature);
354 pf = g_slice_new (GstRegistryChunkPluginFeature);
356 gst_registry_chunks_make_data (pf,
357 sizeof (GstRegistryChunkPluginFeature));
359 /* pack element factory strings */
360 gst_registry_chunks_save_const_string (list, factory->longdesc);
362 GST_WARNING ("unhandled feature type '%s'", type_name);
366 pf->rank = feature->rank;
367 *list = g_list_prepend (*list, chk);
369 /* pack plugin feature strings */
370 gst_registry_chunks_save_const_string (list, feature->name);
371 gst_registry_chunks_save_const_string (list, (gchar *) type_name);
384 gst_registry_chunks_save_plugin_dep (GList ** list, GstPluginDep * dep)
386 GstRegistryChunkDep *ed;
387 GstRegistryChunk *chk;
390 ed = g_slice_new (GstRegistryChunkDep);
391 chk = gst_registry_chunks_make_data (ed, sizeof (GstRegistryChunkDep));
393 ed->flags = dep->flags;
398 ed->env_hash = dep->env_hash;
399 ed->stat_hash = dep->stat_hash;
401 for (s = dep->env_vars; s != NULL && *s != NULL; ++s, ++ed->n_env_vars)
402 gst_registry_chunks_save_string (list, g_strdup (*s));
404 for (s = dep->paths; s != NULL && *s != NULL; ++s, ++ed->n_paths)
405 gst_registry_chunks_save_string (list, g_strdup (*s));
407 for (s = dep->names; s != NULL && *s != NULL; ++s, ++ed->n_names)
408 gst_registry_chunks_save_string (list, g_strdup (*s));
410 *list = g_list_prepend (*list, chk);
412 GST_LOG ("Saved external plugin dependency");
417 * _priv_gst_registry_chunks_save_plugin:
419 * Adapt a GstPlugin to our GstRegistryChunkPluginElement structure, and
420 * prepend it as a GstRegistryChunk in the provided list.
424 _priv_gst_registry_chunks_save_plugin (GList ** list, GstRegistry * registry,
427 GstRegistryChunkPluginElement *pe;
428 GstRegistryChunk *chk;
429 GList *plugin_features = NULL;
432 pe = g_slice_new (GstRegistryChunkPluginElement);
434 gst_registry_chunks_make_data (pe,
435 sizeof (GstRegistryChunkPluginElement));
437 pe->file_size = plugin->file_size;
438 pe->file_mtime = plugin->file_mtime;
442 /* pack external deps */
443 for (walk = plugin->priv->deps; walk != NULL; walk = walk->next) {
444 if (!gst_registry_chunks_save_plugin_dep (list, walk->data)) {
445 GST_ERROR ("Could not save external plugin dependency, aborting.");
451 /* pack plugin features */
453 gst_registry_get_feature_list_by_plugin (registry, plugin->desc.name);
454 for (walk = plugin_features; walk; walk = g_list_next (walk), pe->nfeatures++) {
455 GstPluginFeature *feature = GST_PLUGIN_FEATURE (walk->data);
457 if (!gst_registry_chunks_save_feature (list, feature)) {
458 GST_ERROR ("Can't fill plugin feature, aborting.");
463 gst_plugin_feature_list_free (plugin_features);
465 /* pack cache data */
466 if (plugin->priv->cache_data) {
467 gchar *cache_str = gst_structure_to_string (plugin->priv->cache_data);
468 gst_registry_chunks_save_string (list, cache_str);
470 gst_registry_chunks_save_const_string (list, "");
473 /* pack plugin element strings */
474 gst_registry_chunks_save_const_string (list,
475 (plugin->desc.release_datetime) ? plugin->desc.release_datetime : "");
476 gst_registry_chunks_save_const_string (list, plugin->desc.origin);
477 gst_registry_chunks_save_const_string (list, plugin->desc.package);
478 gst_registry_chunks_save_const_string (list, plugin->desc.source);
479 gst_registry_chunks_save_const_string (list, plugin->desc.license);
480 gst_registry_chunks_save_const_string (list, plugin->desc.version);
481 gst_registry_chunks_save_const_string (list, plugin->filename);
482 gst_registry_chunks_save_const_string (list, plugin->desc.description);
483 gst_registry_chunks_save_const_string (list, plugin->desc.name);
485 *list = g_list_prepend (*list, chk);
487 GST_DEBUG ("Found %d features in plugin \"%s\"", pe->nfeatures,
493 gst_plugin_feature_list_free (plugin_features);
500 * gst_registry_chunks_load_pad_template:
502 * Make a new GstStaticPadTemplate from current GstRegistryChunkPadTemplate
505 * Returns: new GstStaticPadTemplate
508 gst_registry_chunks_load_pad_template (GstElementFactory * factory, gchar ** in,
511 GstRegistryChunkPadTemplate *pt;
512 GstStaticPadTemplate *template = NULL;
515 GST_DEBUG ("Reading/casting for GstRegistryChunkPadTemplate at address %p",
517 unpack_element (*in, pt, GstRegistryChunkPadTemplate, end, fail);
519 template = g_slice_new (GstStaticPadTemplate);
520 template->presence = pt->presence;
521 template->direction = (GstPadDirection) pt->direction;
522 template->static_caps.caps.refcount = 0;
524 /* unpack pad template strings */
525 unpack_const_string (*in, template->name_template, end, fail);
526 unpack_const_string (*in, template->static_caps.string, end, fail);
528 __gst_element_factory_add_static_pad_template (factory, template);
529 GST_DEBUG ("Added pad_template %s", template->name_template);
533 GST_INFO ("Reading pad template failed");
535 g_slice_free (GstStaticPadTemplate, template);
540 * gst_registry_chunks_load_feature:
542 * Make a new GstPluginFeature from current binary plugin feature structure
544 * Returns: new GstPluginFeature
547 gst_registry_chunks_load_feature (GstRegistry * registry, gchar ** in,
548 gchar * end, GstPlugin * plugin)
550 GstRegistryChunkPluginFeature *pf = NULL;
551 GstPluginFeature *feature = NULL;
552 const gchar *const_str, *type_name;
553 const gchar *feature_name;
554 const gchar *plugin_name;
559 plugin_name = plugin->desc.name;
561 /* unpack plugin feature strings */
562 unpack_string_nocopy (*in, type_name, end, fail);
564 if (G_UNLIKELY (!type_name)) {
565 GST_ERROR ("No feature type name");
569 /* unpack more plugin feature strings */
570 unpack_string_nocopy (*in, feature_name, end, fail);
572 GST_DEBUG ("Plugin '%s' feature '%s' typename : '%s'", plugin_name,
573 feature_name, type_name);
575 if (G_UNLIKELY (!(type = g_type_from_name (type_name)))) {
576 GST_ERROR ("Unknown type from typename '%s' for plugin '%s'", type_name,
580 if (G_UNLIKELY ((feature = g_object_newv (type, 0, NULL)) == NULL)) {
581 GST_ERROR ("Can't create feature from type");
584 gst_plugin_feature_set_name (feature, feature_name);
586 if (G_UNLIKELY (!GST_IS_PLUGIN_FEATURE (feature))) {
587 GST_ERROR ("typename : '%s' is not a plugin feature", type_name);
591 if (GST_IS_ELEMENT_FACTORY (feature)) {
592 GstRegistryChunkElementFactory *ef;
594 GstElementFactory *factory = GST_ELEMENT_FACTORY_CAST (feature);
596 const gchar *meta_data_str;
599 GST_LOG ("Reading/casting for GstRegistryChunkElementFactory at address %p",
601 unpack_element (*in, ef, GstRegistryChunkElementFactory, end, fail);
602 pf = (GstRegistryChunkPluginFeature *) ef;
604 /* unpack element factory strings */
605 unpack_string_nocopy (*in, meta_data_str, end, fail);
606 if (meta_data_str && *meta_data_str) {
607 factory->meta_data = gst_structure_from_string (meta_data_str, NULL);
608 if (!factory->meta_data) {
610 ("Error when trying to deserialize structure for metadata '%s'",
615 unpack_string (*in, factory->details.longname, end, fail);
616 unpack_string (*in, factory->details.klass, end, fail);
617 unpack_string (*in, factory->details.description, end, fail);
618 unpack_string (*in, factory->details.author, end, fail);
619 n = ef->npadtemplates;
620 GST_DEBUG ("Element factory : '%s' with npadtemplates=%d",
621 factory->details.longname, n);
623 /* load pad templates */
624 for (i = 0; i < n; i++) {
625 if (G_UNLIKELY (!gst_registry_chunks_load_pad_template (factory, in,
627 GST_ERROR ("Error while loading binary pad template");
633 if (G_UNLIKELY ((n = ef->nuriprotocols))) {
634 GST_DEBUG ("Reading %d UriTypes at address %p", n, *in);
637 factory->uri_type = *((guint *) * in);
638 *in += sizeof (factory->uri_type);
639 /*unpack_element(*in, &factory->uri_type, factory->uri_type, end, fail); */
641 factory->uri_protocols = g_new0 (gchar *, n + 1);
642 for (i = 0; i < n; i++) {
643 unpack_string (*in, str, end, fail);
644 factory->uri_protocols[i] = str;
647 /* load interfaces */
648 if (G_UNLIKELY ((n = ef->ninterfaces))) {
649 GST_DEBUG ("Reading %d Interfaces at address %p", n, *in);
650 for (i = 0; i < n; i++) {
651 unpack_string_nocopy (*in, const_str, end, fail);
652 __gst_element_factory_add_interface (factory, const_str);
655 } else if (GST_IS_TYPE_FIND_FACTORY (feature)) {
656 GstRegistryChunkTypeFindFactory *tff;
657 GstTypeFindFactory *factory = GST_TYPE_FIND_FACTORY (feature);
661 ("Reading/casting for GstRegistryChunkPluginFeature at address %p",
663 unpack_element (*in, tff, GstRegistryChunkTypeFindFactory, end, fail);
664 pf = (GstRegistryChunkPluginFeature *) tff;
666 /* load typefinder caps */
667 unpack_string_nocopy (*in, const_str, end, fail);
668 if (const_str != NULL && *const_str != '\0')
669 factory->caps = gst_caps_from_string (const_str);
671 factory->caps = NULL;
673 /* load extensions */
674 if (tff->nextensions) {
675 GST_DEBUG ("Reading %d Typefind extensions at address %p",
676 tff->nextensions, *in);
677 factory->extensions = g_new0 (gchar *, tff->nextensions + 1);
678 /* unpack in reverse order to maintain the correct order */
679 for (i = tff->nextensions; i > 0; i--) {
680 unpack_string (*in, str, end, fail);
681 factory->extensions[i - 1] = str;
684 } else if (GST_IS_INDEX_FACTORY (feature)) {
685 GstIndexFactory *factory = GST_INDEX_FACTORY (feature);
689 ("Reading/casting for GstRegistryChunkPluginFeature at address %p",
691 unpack_element (*in, pf, GstRegistryChunkPluginFeature, end, fail);
693 /* unpack index factory strings */
694 unpack_string (*in, factory->longdesc, end, fail);
696 GST_WARNING ("unhandled factory type : %s", G_OBJECT_TYPE_NAME (feature));
700 feature->rank = pf->rank;
702 feature->plugin_name = plugin_name;
703 feature->plugin = plugin;
704 g_object_add_weak_pointer ((GObject *) plugin,
705 (gpointer *) & feature->plugin);
707 gst_registry_add_feature (registry, feature);
708 GST_DEBUG ("Added feature %s, plugin %p %s", feature->name, plugin,
715 GST_INFO ("Reading plugin feature failed");
717 if (GST_IS_OBJECT (feature))
718 gst_object_unref (feature);
720 g_object_unref (feature);
726 gst_registry_chunks_load_plugin_dep_strv (gchar ** in, gchar * end, guint n)
733 arr = g_new0 (gchar *, n + 1);
735 unpack_string (*in, arr[n - 1], end, fail);
740 GST_INFO ("Reading plugin dependency strings failed");
745 gst_registry_chunks_load_plugin_dep (GstPlugin * plugin, gchar ** in,
749 GstRegistryChunkDep *d;
753 GST_LOG_OBJECT (plugin, "Unpacking GstRegistryChunkDep from %p", *in);
754 unpack_element (*in, d, GstRegistryChunkDep, end, fail);
756 dep = g_slice_new (GstPluginDep);
758 dep->env_hash = d->env_hash;
759 dep->stat_hash = d->stat_hash;
761 dep->flags = (GstPluginDependencyFlags) d->flags;
763 dep->names = gst_registry_chunks_load_plugin_dep_strv (in, end, d->n_names);
764 dep->paths = gst_registry_chunks_load_plugin_dep_strv (in, end, d->n_paths);
766 gst_registry_chunks_load_plugin_dep_strv (in, end, d->n_env_vars);
768 plugin->priv->deps = g_list_append (plugin->priv->deps, dep);
770 GST_DEBUG_OBJECT (plugin, "Loaded external plugin dependency from registry: "
771 "env_hash: %08x, stat_hash: %08x", dep->env_hash, dep->stat_hash);
772 for (s = dep->env_vars; s != NULL && *s != NULL; ++s)
773 GST_LOG_OBJECT (plugin, " evar: %s", *s);
774 for (s = dep->paths; s != NULL && *s != NULL; ++s)
775 GST_LOG_OBJECT (plugin, " path: %s", *s);
776 for (s = dep->names; s != NULL && *s != NULL; ++s)
777 GST_LOG_OBJECT (plugin, " name: %s", *s);
781 GST_INFO ("Reading plugin dependency failed");
787 * _priv_gst_registry_chunks_load_plugin:
789 * Make a new GstPlugin from current GstRegistryChunkPluginElement structure
790 * and add it to the GstRegistry. Return an offset to the next
791 * GstRegistryChunkPluginElement structure.
794 _priv_gst_registry_chunks_load_plugin (GstRegistry * registry, gchar ** in,
795 gchar * end, GstPlugin ** out_plugin)
797 #ifndef GST_DISABLE_GST_DEBUG
800 GstRegistryChunkPluginElement *pe;
801 const gchar *cache_str = NULL;
802 GstPlugin *plugin = NULL;
806 GST_LOG ("Reading/casting for GstRegistryChunkPluginElement at address %p",
808 unpack_element (*in, pe, GstRegistryChunkPluginElement, end, fail);
810 plugin = g_object_newv (GST_TYPE_PLUGIN, 0, NULL);
812 /* TODO: also set GST_PLUGIN_FLAG_CONST */
813 plugin->flags |= GST_PLUGIN_FLAG_CACHED;
814 plugin->file_mtime = pe->file_mtime;
815 plugin->file_size = pe->file_size;
817 /* unpack plugin element strings */
818 unpack_const_string (*in, plugin->desc.name, end, fail);
819 unpack_const_string (*in, plugin->desc.description, end, fail);
820 unpack_string (*in, plugin->filename, end, fail);
821 unpack_const_string (*in, plugin->desc.version, end, fail);
822 unpack_const_string (*in, plugin->desc.license, end, fail);
823 unpack_const_string (*in, plugin->desc.source, end, fail);
824 unpack_const_string (*in, plugin->desc.package, end, fail);
825 unpack_const_string (*in, plugin->desc.origin, end, fail);
826 unpack_const_string (*in, plugin->desc.release_datetime, end, fail);
828 GST_LOG ("read strings for name='%s'", plugin->desc.name);
829 GST_LOG (" desc.description='%s'", plugin->desc.description);
830 GST_LOG (" filename='%s'", plugin->filename);
831 GST_LOG (" desc.version='%s'", plugin->desc.version);
832 GST_LOG (" desc.license='%s'", plugin->desc.license);
833 GST_LOG (" desc.source='%s'", plugin->desc.source);
834 GST_LOG (" desc.package='%s'", plugin->desc.package);
835 GST_LOG (" desc.origin='%s'", plugin->desc.origin);
836 GST_LOG (" desc.datetime=%s", plugin->desc.release_datetime);
838 if (plugin->desc.release_datetime[0] == '\0')
839 plugin->desc.release_datetime = NULL;
841 /* unpack cache data */
842 unpack_string_nocopy (*in, cache_str, end, fail);
843 if (cache_str != NULL && *cache_str != '\0')
844 plugin->priv->cache_data = gst_structure_from_string (cache_str, NULL);
846 /* If the license string is 'BLACKLIST', mark this as a blacklisted
848 if (strcmp (plugin->desc.license, "BLACKLIST") == 0)
849 plugin->flags |= GST_PLUGIN_FLAG_BLACKLISTED;
851 plugin->basename = g_path_get_basename (plugin->filename);
853 /* Takes ownership of plugin */
854 gst_registry_add_plugin (registry, plugin);
856 GST_DEBUG ("Added plugin '%s' plugin with %d features from binary registry",
857 plugin->desc.name, n);
859 /* Load plugin features */
860 for (i = 0; i < n; i++) {
861 if (G_UNLIKELY (!gst_registry_chunks_load_feature (registry, in, end,
863 GST_ERROR ("Error while loading binary feature for plugin '%s'",
864 GST_STR_NULL (plugin->desc.name));
865 gst_registry_remove_plugin (registry, plugin);
870 /* Load external plugin dependencies */
871 for (i = 0; i < pe->n_deps; ++i) {
872 if (G_UNLIKELY (!gst_registry_chunks_load_plugin_dep (plugin, in, end))) {
873 GST_ERROR_OBJECT (plugin, "Could not read external plugin dependency "
874 "for plugin '%s'", GST_STR_NULL (plugin->desc.name));
875 gst_registry_remove_plugin (registry, plugin);
881 *out_plugin = plugin;
887 GST_INFO ("Reading plugin failed after %u bytes", (guint) (end - start));
892 _priv_gst_registry_chunks_save_global_header (GList ** list,
893 GstRegistry * registry, guint32 filter_env_hash)
895 GstRegistryChunkGlobalHeader *hdr;
896 GstRegistryChunk *chk;
898 hdr = g_slice_new (GstRegistryChunkGlobalHeader);
899 chk = gst_registry_chunks_make_data (hdr,
900 sizeof (GstRegistryChunkGlobalHeader));
902 hdr->filter_env_hash = filter_env_hash;
904 *list = g_list_prepend (*list, chk);
906 GST_LOG ("Saved global header (filter_env_hash=0x%08x)", filter_env_hash);
910 _priv_gst_registry_chunks_load_global_header (GstRegistry * registry,
911 gchar ** in, gchar * end, guint32 * filter_env_hash)
913 GstRegistryChunkGlobalHeader *hdr;
916 GST_LOG ("Reading/casting for GstRegistryChunkGlobalHeader at %p", *in);
917 unpack_element (*in, hdr, GstRegistryChunkGlobalHeader, end, fail);
918 *filter_env_hash = hdr->filter_env_hash;
923 GST_WARNING ("Reading global header failed");