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);
211 * gst_registry_chunks_save_feature:
213 * Store features in binary chunks.
215 * Returns: %TRUE for success
218 gst_registry_chunks_save_feature (GList ** list, GstPluginFeature * feature)
220 const gchar *type_name = g_type_name (G_OBJECT_TYPE (feature));
221 GstRegistryChunkPluginFeature *pf = NULL;
222 GstRegistryChunk *chk = NULL;
226 GST_ERROR ("NULL feature type_name, aborting.");
230 if (GST_IS_ELEMENT_FACTORY (feature)) {
231 GstRegistryChunkElementFactory *ef;
232 GstElementFactory *factory = GST_ELEMENT_FACTORY (feature);
234 /* Initialize with zeroes because of struct padding and
235 * valgrind complaining about copying unitialized memory
237 ef = g_slice_new0 (GstRegistryChunkElementFactory);
239 gst_registry_chunks_make_data (ef,
240 sizeof (GstRegistryChunkElementFactory));
241 ef->npadtemplates = ef->ninterfaces = ef->nuriprotocols = 0;
242 pf = (GstRegistryChunkPluginFeature *) ef;
244 /* save interfaces */
245 for (walk = factory->interfaces; walk;
246 walk = g_list_next (walk), ef->ninterfaces++) {
247 gst_registry_chunks_save_const_string (list, (gchar *) walk->data);
249 GST_DEBUG ("Feature %s: saved %d interfaces %d pad templates",
250 feature->name, ef->ninterfaces, ef->npadtemplates);
253 if (GST_URI_TYPE_IS_VALID (factory->uri_type)) {
254 if (factory->uri_protocols && *factory->uri_protocols) {
255 GstRegistryChunk *subchk;
259 gst_registry_chunks_make_data (&factory->uri_type,
260 sizeof (factory->uri_type));
261 subchk->flags = GST_REGISTRY_CHUNK_FLAG_CONST;
263 protocol = factory->uri_protocols;
265 gst_registry_chunks_save_const_string (list, *protocol++);
268 *list = g_list_prepend (*list, subchk);
269 GST_DEBUG ("Saved %d UriTypes", ef->nuriprotocols);
271 g_warning ("GStreamer feature '%s' is URI handler but does not provide"
272 " any protocols it can handle", feature->name);
276 /* save pad-templates */
277 for (walk = factory->staticpadtemplates; walk;
278 walk = g_list_next (walk), ef->npadtemplates++) {
279 GstStaticPadTemplate *template = walk->data;
281 if (!gst_registry_chunks_save_pad_template (list, template)) {
282 GST_ERROR ("Can't fill pad template, aborting.");
287 /* pack element factory strings */
288 gst_registry_chunks_save_const_string (list, factory->details.author);
289 gst_registry_chunks_save_const_string (list, factory->details.description);
290 gst_registry_chunks_save_const_string (list, factory->details.klass);
291 gst_registry_chunks_save_const_string (list, factory->details.longname);
292 if (factory->meta_data) {
293 gst_registry_chunks_save_string (list,
294 gst_structure_to_string (factory->meta_data));
296 gst_registry_chunks_save_const_string (list, "");
298 } else if (GST_IS_TYPE_FIND_FACTORY (feature)) {
299 GstRegistryChunkTypeFindFactory *tff;
300 GstTypeFindFactory *factory = GST_TYPE_FIND_FACTORY (feature);
303 /* Initialize with zeroes because of struct padding and
304 * valgrind complaining about copying unitialized memory
306 tff = g_slice_new0 (GstRegistryChunkTypeFindFactory);
308 gst_registry_chunks_make_data (tff,
309 sizeof (GstRegistryChunkTypeFindFactory));
310 tff->nextensions = 0;
311 pf = (GstRegistryChunkPluginFeature *) tff;
313 /* save extensions */
314 if (factory->extensions) {
315 while (factory->extensions[tff->nextensions]) {
316 gst_registry_chunks_save_const_string (list,
317 factory->extensions[tff->nextensions++]);
322 /* we copy the caps here so we can simplify them before saving. This
323 * is a lot faster when loading them later on */
324 GstCaps *copy = gst_caps_copy (factory->caps);
326 gst_caps_do_simplify (copy);
327 str = gst_caps_to_string (copy);
328 gst_caps_unref (copy);
329 gst_registry_chunks_save_string (list, str);
331 gst_registry_chunks_save_const_string (list, "");
333 } else if (GST_IS_INDEX_FACTORY (feature)) {
334 GstIndexFactory *factory = GST_INDEX_FACTORY (feature);
336 pf = g_slice_new (GstRegistryChunkPluginFeature);
338 gst_registry_chunks_make_data (pf,
339 sizeof (GstRegistryChunkPluginFeature));
341 /* pack element factory strings */
342 gst_registry_chunks_save_const_string (list, factory->longdesc);
344 GST_WARNING ("unhandled feature type '%s'", type_name);
348 pf->rank = feature->rank;
349 *list = g_list_prepend (*list, chk);
351 /* pack plugin feature strings */
352 gst_registry_chunks_save_const_string (list, feature->name);
353 gst_registry_chunks_save_const_string (list, (gchar *) type_name);
366 gst_registry_chunks_save_plugin_dep (GList ** list, GstPluginDep * dep)
368 GstRegistryChunkDep *ed;
369 GstRegistryChunk *chk;
372 ed = g_slice_new (GstRegistryChunkDep);
373 chk = gst_registry_chunks_make_data (ed, sizeof (GstRegistryChunkDep));
375 ed->flags = dep->flags;
380 ed->env_hash = dep->env_hash;
381 ed->stat_hash = dep->stat_hash;
383 for (s = dep->env_vars; s != NULL && *s != NULL; ++s, ++ed->n_env_vars)
384 gst_registry_chunks_save_string (list, g_strdup (*s));
386 for (s = dep->paths; s != NULL && *s != NULL; ++s, ++ed->n_paths)
387 gst_registry_chunks_save_string (list, g_strdup (*s));
389 for (s = dep->names; s != NULL && *s != NULL; ++s, ++ed->n_names)
390 gst_registry_chunks_save_string (list, g_strdup (*s));
392 *list = g_list_prepend (*list, chk);
394 GST_LOG ("Saved external plugin dependency");
399 * _priv_gst_registry_chunks_save_plugin:
401 * Adapt a GstPlugin to our GstRegistryChunkPluginElement structure, and
402 * prepend it as a GstRegistryChunk in the provided list.
406 _priv_gst_registry_chunks_save_plugin (GList ** list, GstRegistry * registry,
409 GstRegistryChunkPluginElement *pe;
410 GstRegistryChunk *chk;
411 GList *plugin_features = NULL;
414 pe = g_slice_new (GstRegistryChunkPluginElement);
416 gst_registry_chunks_make_data (pe,
417 sizeof (GstRegistryChunkPluginElement));
419 pe->file_size = plugin->file_size;
420 pe->file_mtime = plugin->file_mtime;
424 /* pack external deps */
425 for (walk = plugin->priv->deps; walk != NULL; walk = walk->next) {
426 if (!gst_registry_chunks_save_plugin_dep (list, walk->data)) {
427 GST_ERROR ("Could not save external plugin dependency, aborting.");
433 /* pack plugin features */
435 gst_registry_get_feature_list_by_plugin (registry, plugin->desc.name);
436 for (walk = plugin_features; walk; walk = g_list_next (walk), pe->nfeatures++) {
437 GstPluginFeature *feature = GST_PLUGIN_FEATURE (walk->data);
439 if (!gst_registry_chunks_save_feature (list, feature)) {
440 GST_ERROR ("Can't fill plugin feature, aborting.");
445 gst_plugin_feature_list_free (plugin_features);
447 /* pack cache data */
448 if (plugin->priv->cache_data) {
449 gchar *cache_str = gst_structure_to_string (plugin->priv->cache_data);
450 gst_registry_chunks_save_string (list, cache_str);
452 gst_registry_chunks_save_const_string (list, "");
455 /* pack plugin element strings */
456 gst_registry_chunks_save_const_string (list,
457 (plugin->desc.release_datetime) ? plugin->desc.release_datetime : "");
458 gst_registry_chunks_save_const_string (list, plugin->desc.origin);
459 gst_registry_chunks_save_const_string (list, plugin->desc.package);
460 gst_registry_chunks_save_const_string (list, plugin->desc.source);
461 gst_registry_chunks_save_const_string (list, plugin->desc.license);
462 gst_registry_chunks_save_const_string (list, plugin->desc.version);
463 gst_registry_chunks_save_const_string (list, plugin->filename);
464 gst_registry_chunks_save_const_string (list, plugin->desc.description);
465 gst_registry_chunks_save_const_string (list, plugin->desc.name);
467 *list = g_list_prepend (*list, chk);
469 GST_DEBUG ("Found %d features in plugin \"%s\"", pe->nfeatures,
475 gst_plugin_feature_list_free (plugin_features);
482 * gst_registry_chunks_load_pad_template:
484 * Make a new GstStaticPadTemplate from current GstRegistryChunkPadTemplate
487 * Returns: new GstStaticPadTemplate
490 gst_registry_chunks_load_pad_template (GstElementFactory * factory, gchar ** in,
493 GstRegistryChunkPadTemplate *pt;
494 GstStaticPadTemplate *template = NULL;
497 GST_DEBUG ("Reading/casting for GstRegistryChunkPadTemplate at address %p",
499 unpack_element (*in, pt, GstRegistryChunkPadTemplate, end, fail);
501 template = g_slice_new (GstStaticPadTemplate);
502 template->presence = pt->presence;
503 template->direction = pt->direction;
504 template->static_caps.caps.refcount = 0;
506 /* unpack pad template strings */
507 unpack_const_string (*in, template->name_template, end, fail);
508 unpack_const_string (*in, template->static_caps.string, end, fail);
510 __gst_element_factory_add_static_pad_template (factory, template);
511 GST_DEBUG ("Added pad_template %s", template->name_template);
515 GST_INFO ("Reading pad template failed");
517 g_slice_free (GstStaticPadTemplate, template);
522 * gst_registry_chunks_load_feature:
524 * Make a new GstPluginFeature from current binary plugin feature structure
526 * Returns: new GstPluginFeature
529 gst_registry_chunks_load_feature (GstRegistry * registry, gchar ** in,
530 gchar * end, const gchar * plugin_name)
532 GstRegistryChunkPluginFeature *pf = NULL;
533 GstPluginFeature *feature = NULL;
534 const gchar *const_str, *type_name;
535 gchar *str, *feature_name;
539 /* unpack plugin feature strings */
540 unpack_string_nocopy (*in, type_name, end, fail);
542 if (G_UNLIKELY (!type_name)) {
543 GST_ERROR ("No feature type name");
547 /* unpack more plugin feature strings */
548 unpack_string (*in, feature_name, end, fail);
550 GST_DEBUG ("Plugin '%s' feature '%s' typename : '%s'", plugin_name,
551 feature_name, type_name);
553 if (G_UNLIKELY (!(type = g_type_from_name (type_name)))) {
554 GST_ERROR ("Unknown type from typename '%s' for plugin '%s'", type_name,
556 g_free (feature_name);
559 if (G_UNLIKELY ((feature = g_object_newv (type, 0, NULL)) == NULL)) {
560 GST_ERROR ("Can't create feature from type");
561 g_free (feature_name);
565 feature->name = feature_name;
567 if (G_UNLIKELY (!GST_IS_PLUGIN_FEATURE (feature))) {
568 GST_ERROR ("typename : '%s' is not a plugin feature", type_name);
572 if (GST_IS_ELEMENT_FACTORY (feature)) {
573 GstRegistryChunkElementFactory *ef;
575 GstElementFactory *factory = GST_ELEMENT_FACTORY_CAST (feature);
577 const gchar *meta_data_str;
580 GST_LOG ("Reading/casting for GstRegistryChunkElementFactory at address %p",
582 unpack_element (*in, ef, GstRegistryChunkElementFactory, end, fail);
583 pf = (GstRegistryChunkPluginFeature *) ef;
585 /* unpack element factory strings */
586 unpack_string_nocopy (*in, meta_data_str, end, fail);
587 if (meta_data_str && *meta_data_str) {
588 factory->meta_data = gst_structure_from_string (meta_data_str, NULL);
589 if (!factory->meta_data) {
591 ("Error when trying to deserialize structure for metadata '%s'",
596 unpack_string (*in, factory->details.longname, end, fail);
597 unpack_string (*in, factory->details.klass, end, fail);
598 unpack_string (*in, factory->details.description, end, fail);
599 unpack_string (*in, factory->details.author, end, fail);
600 n = ef->npadtemplates;
601 GST_DEBUG ("Element factory : '%s' with npadtemplates=%d",
602 factory->details.longname, n);
604 /* load pad templates */
605 for (i = 0; i < n; i++) {
606 if (G_UNLIKELY (!gst_registry_chunks_load_pad_template (factory, in,
608 GST_ERROR ("Error while loading binary pad template");
614 if (G_UNLIKELY ((n = ef->nuriprotocols))) {
615 GST_DEBUG ("Reading %d UriTypes at address %p", n, *in);
618 factory->uri_type = *((guint *) * in);
619 *in += sizeof (factory->uri_type);
620 /*unpack_element(*in, &factory->uri_type, factory->uri_type, end, fail); */
622 factory->uri_protocols = g_new0 (gchar *, n + 1);
623 for (i = 0; i < n; i++) {
624 unpack_string (*in, str, end, fail);
625 factory->uri_protocols[i] = str;
628 /* load interfaces */
629 if (G_UNLIKELY ((n = ef->ninterfaces))) {
630 GST_DEBUG ("Reading %d Interfaces at address %p", n, *in);
631 for (i = 0; i < n; i++) {
632 unpack_string_nocopy (*in, const_str, end, fail);
633 __gst_element_factory_add_interface (factory, const_str);
636 } else if (GST_IS_TYPE_FIND_FACTORY (feature)) {
637 GstRegistryChunkTypeFindFactory *tff;
638 GstTypeFindFactory *factory = GST_TYPE_FIND_FACTORY (feature);
642 ("Reading/casting for GstRegistryChunkPluginFeature at address %p",
644 unpack_element (*in, tff, GstRegistryChunkTypeFindFactory, end, fail);
645 pf = (GstRegistryChunkPluginFeature *) tff;
647 /* load typefinder caps */
648 unpack_string_nocopy (*in, const_str, end, fail);
649 if (const_str != NULL && *const_str != '\0')
650 factory->caps = gst_caps_from_string (const_str);
652 factory->caps = NULL;
654 /* load extensions */
655 if (tff->nextensions) {
656 GST_DEBUG ("Reading %d Typefind extensions at address %p",
657 tff->nextensions, *in);
658 factory->extensions = g_new0 (gchar *, tff->nextensions + 1);
659 /* unpack in reverse order to maintain the correct order */
660 for (i = tff->nextensions; i > 0; i--) {
661 unpack_string (*in, str, end, fail);
662 factory->extensions[i - 1] = str;
665 } else if (GST_IS_INDEX_FACTORY (feature)) {
666 GstIndexFactory *factory = GST_INDEX_FACTORY (feature);
670 ("Reading/casting for GstRegistryChunkPluginFeature at address %p",
672 unpack_element (*in, pf, GstRegistryChunkPluginFeature, end, fail);
674 /* unpack index factory strings */
675 unpack_string (*in, factory->longdesc, end, fail);
677 GST_WARNING ("unhandled factory type : %s", G_OBJECT_TYPE_NAME (feature));
681 feature->rank = pf->rank;
683 feature->plugin_name = plugin_name;
685 gst_registry_add_feature (registry, feature);
686 GST_DEBUG ("Added feature %s", feature->name);
692 GST_INFO ("Reading plugin feature failed");
694 if (GST_IS_OBJECT (feature))
695 gst_object_unref (feature);
697 g_object_unref (feature);
703 gst_registry_chunks_load_plugin_dep_strv (gchar ** in, gchar * end, guint n)
710 arr = g_new0 (gchar *, n + 1);
712 unpack_string (*in, arr[n - 1], end, fail);
717 GST_INFO ("Reading plugin dependency strings failed");
722 gst_registry_chunks_load_plugin_dep (GstPlugin * plugin, gchar ** in,
726 GstRegistryChunkDep *d;
730 GST_LOG_OBJECT (plugin, "Unpacking GstRegistryChunkDep from %p", *in);
731 unpack_element (*in, d, GstRegistryChunkDep, end, fail);
733 dep = g_slice_new (GstPluginDep);
735 dep->env_hash = d->env_hash;
736 dep->stat_hash = d->stat_hash;
738 dep->flags = d->flags;
740 dep->names = gst_registry_chunks_load_plugin_dep_strv (in, end, d->n_names);
741 dep->paths = gst_registry_chunks_load_plugin_dep_strv (in, end, d->n_paths);
743 gst_registry_chunks_load_plugin_dep_strv (in, end, d->n_env_vars);
745 plugin->priv->deps = g_list_append (plugin->priv->deps, dep);
747 GST_DEBUG_OBJECT (plugin, "Loaded external plugin dependency from registry: "
748 "env_hash: %08x, stat_hash: %08x", dep->env_hash, dep->stat_hash);
749 for (s = dep->env_vars; s != NULL && *s != NULL; ++s)
750 GST_LOG_OBJECT (plugin, " evar: %s", *s);
751 for (s = dep->paths; s != NULL && *s != NULL; ++s)
752 GST_LOG_OBJECT (plugin, " path: %s", *s);
753 for (s = dep->names; s != NULL && *s != NULL; ++s)
754 GST_LOG_OBJECT (plugin, " name: %s", *s);
758 GST_INFO ("Reading plugin dependency failed");
764 * _priv_gst_registry_chunks_load_plugin:
766 * Make a new GstPlugin from current GstRegistryChunkPluginElement structure
767 * and add it to the GstRegistry. Return an offset to the next
768 * GstRegistryChunkPluginElement structure.
771 _priv_gst_registry_chunks_load_plugin (GstRegistry * registry, gchar ** in,
772 gchar * end, GstPlugin ** out_plugin)
774 #ifndef GST_DISABLE_GST_DEBUG
777 GstRegistryChunkPluginElement *pe;
778 const gchar *cache_str = NULL;
779 GstPlugin *plugin = NULL;
783 GST_LOG ("Reading/casting for GstRegistryChunkPluginElement at address %p",
785 unpack_element (*in, pe, GstRegistryChunkPluginElement, end, fail);
787 plugin = g_object_newv (GST_TYPE_PLUGIN, 0, NULL);
789 /* TODO: also set GST_PLUGIN_FLAG_CONST */
790 plugin->flags |= GST_PLUGIN_FLAG_CACHED;
791 plugin->file_mtime = pe->file_mtime;
792 plugin->file_size = pe->file_size;
794 /* unpack plugin element strings */
795 unpack_const_string (*in, plugin->desc.name, end, fail);
796 unpack_const_string (*in, plugin->desc.description, end, fail);
797 unpack_string (*in, plugin->filename, end, fail);
798 unpack_const_string (*in, plugin->desc.version, end, fail);
799 unpack_const_string (*in, plugin->desc.license, end, fail);
800 unpack_const_string (*in, plugin->desc.source, end, fail);
801 unpack_const_string (*in, plugin->desc.package, end, fail);
802 unpack_const_string (*in, plugin->desc.origin, end, fail);
803 unpack_const_string (*in, plugin->desc.release_datetime, end, fail);
805 GST_LOG ("read strings for name='%s'", plugin->desc.name);
806 GST_LOG (" desc.description='%s'", plugin->desc.description);
807 GST_LOG (" filename='%s'", plugin->filename);
808 GST_LOG (" desc.version='%s'", plugin->desc.version);
809 GST_LOG (" desc.license='%s'", plugin->desc.license);
810 GST_LOG (" desc.source='%s'", plugin->desc.source);
811 GST_LOG (" desc.package='%s'", plugin->desc.package);
812 GST_LOG (" desc.origin='%s'", plugin->desc.origin);
813 GST_LOG (" desc.datetime=%s", plugin->desc.release_datetime);
815 if (plugin->desc.release_datetime[0] == '\0')
816 plugin->desc.release_datetime = NULL;
818 /* unpack cache data */
819 unpack_string_nocopy (*in, cache_str, end, fail);
820 if (cache_str != NULL && *cache_str != '\0')
821 plugin->priv->cache_data = gst_structure_from_string (cache_str, NULL);
823 /* If the license string is 'BLACKLIST', mark this as a blacklisted
825 if (strcmp (plugin->desc.license, "BLACKLIST") == 0)
826 plugin->flags |= GST_PLUGIN_FLAG_BLACKLISTED;
828 plugin->basename = g_path_get_basename (plugin->filename);
830 /* Takes ownership of plugin */
831 gst_registry_add_plugin (registry, plugin);
833 GST_DEBUG ("Added plugin '%s' plugin with %d features from binary registry",
834 plugin->desc.name, n);
836 /* Load plugin features */
837 for (i = 0; i < n; i++) {
838 if (G_UNLIKELY (!gst_registry_chunks_load_feature (registry, in, end,
839 plugin->desc.name))) {
840 GST_ERROR ("Error while loading binary feature for plugin '%s'",
841 GST_STR_NULL (plugin->desc.name));
842 gst_registry_remove_plugin (registry, plugin);
847 /* Load external plugin dependencies */
848 for (i = 0; i < pe->n_deps; ++i) {
849 if (G_UNLIKELY (!gst_registry_chunks_load_plugin_dep (plugin, in, end))) {
850 GST_ERROR_OBJECT (plugin, "Could not read external plugin dependency "
851 "for plugin '%s'", GST_STR_NULL (plugin->desc.name));
852 gst_registry_remove_plugin (registry, plugin);
858 *out_plugin = plugin;
864 GST_INFO ("Reading plugin failed after %u bytes", (guint) (end - start));
869 _priv_gst_registry_chunks_save_global_header (GList ** list,
870 GstRegistry * registry, guint32 filter_env_hash)
872 GstRegistryChunkGlobalHeader *hdr;
873 GstRegistryChunk *chk;
875 hdr = g_slice_new (GstRegistryChunkGlobalHeader);
876 chk = gst_registry_chunks_make_data (hdr,
877 sizeof (GstRegistryChunkGlobalHeader));
879 hdr->filter_env_hash = filter_env_hash;
881 *list = g_list_prepend (*list, chk);
883 GST_LOG ("Saved global header (filter_env_hash=0x%08x)", filter_env_hash);
887 _priv_gst_registry_chunks_load_global_header (GstRegistry * registry,
888 gchar ** in, gchar * end, guint32 * filter_env_hash)
890 GstRegistryChunkGlobalHeader *hdr;
893 GST_LOG ("Reading/casting for GstRegistryChunkGlobalHeader at %p", *in);
894 unpack_element (*in, hdr, GstRegistryChunkGlobalHeader, end, fail);
895 *filter_env_hash = hdr->filter_env_hash;
900 GST_WARNING ("Reading global header failed");