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Add new API to check plugin feature version requirements.

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Original commit message from CVS:
* gst/gstpluginfeature.c: (gst_plugin_feature_check_version):
* gst/gstpluginfeature.h:
* gst/gstregistry.c: (gst_default_registry_check_feature_version):
* gst/gstregistry.h:
* docs/gst/gstreamer-sections.txt:
Add new API to check plugin feature version requirements.
* check/gst/gstplugin.c: (test_version_checks), (gst_plugin_suite):
Some basic tests for the above.
This commit is contained in:
Tim-Philipp Müller 2005-10-14 11:09:29 +00:00
parent b10cc10e8c
commit 45258dbc4c
8 changed files with 219 additions and 3 deletions
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12
ChangeLog
View file

@ -1,3 +1,15 @@
2005-10-14 Tim-Philipp Müller <tim at centricular dot net>
* gst/gstpluginfeature.c: (gst_plugin_feature_check_version):
* gst/gstpluginfeature.h:
* gst/gstregistry.c: (gst_default_registry_check_feature_version):
* gst/gstregistry.h:
* docs/gst/gstreamer-sections.txt:
Add new API to check plugin feature version requirements.
* check/gst/gstplugin.c: (test_version_checks), (gst_plugin_suite):
Some basic tests for the above.
2005-10-13 Thomas Vander Stichele <thomas at apestaart dot org>
* gst/gststructure.c: (gst_structure_to_string):

45
check/gst/gstplugin.c
View file

@ -247,6 +247,49 @@ GST_START_TEST (test_typefind)
GST_END_TEST;
#endif
GST_START_TEST (test_version_checks)
{
fail_if (gst_default_registry_check_feature_version ("identity",
GST_VERSION_MAJOR, GST_VERSION_MINOR, GST_VERSION_MICRO) == FALSE,
"Unexpected version check result");
fail_if (gst_default_registry_check_feature_version ("identity",
GST_VERSION_MAJOR + 1, GST_VERSION_MINOR, GST_VERSION_MICRO) == TRUE,
"Unexpected version check result");
fail_if (gst_default_registry_check_feature_version ("identity",
GST_VERSION_MAJOR, GST_VERSION_MINOR + 1, GST_VERSION_MICRO) == TRUE,
"Unexpected version check result");
fail_if (gst_default_registry_check_feature_version ("identity",
GST_VERSION_MAJOR, GST_VERSION_MINOR, GST_VERSION_MICRO + 1) == TRUE,
"Unexpected version check result");
if (GST_VERSION_MAJOR > 0) {
fail_if (gst_default_registry_check_feature_version ("identity",
GST_VERSION_MAJOR - 1, GST_VERSION_MINOR,
GST_VERSION_MICRO) == FALSE, "Unexpected version check result");
}
if (GST_VERSION_MINOR > 0) {
fail_if (gst_default_registry_check_feature_version ("identity",
GST_VERSION_MAJOR, GST_VERSION_MINOR - 1,
GST_VERSION_MICRO) == FALSE, "Unexpected version check result");
}
if (GST_VERSION_MICRO > 0) {
fail_if (gst_default_registry_check_feature_version ("identity",
GST_VERSION_MAJOR, GST_VERSION_MINOR,
GST_VERSION_MICRO - 1) == FALSE, "Unexpected version check result");
}
fail_if (gst_default_registry_check_feature_version ("entityid",
GST_VERSION_MAJOR, GST_VERSION_MINOR, GST_VERSION_MICRO) == TRUE,
"Unexpected version check result");
}
GST_END_TEST;
Suite *
gst_plugin_suite (void)
{
@ -264,12 +307,12 @@ gst_plugin_suite (void)
tcase_add_test (tc_chain, test_find_plugin);
tcase_add_test (tc_chain, test_find_feature);
tcase_add_test (tc_chain, test_find_element);
tcase_add_test (tc_chain, test_version_checks);
//tcase_add_test (tc_chain, test_typefind);
return s;
}
int
main (int argc, char **argv)
{

2
docs/gst/gstreamer-sections.txt
View file

@ -1504,6 +1504,7 @@ gst_plugin_feature_get_rank
gst_plugin_feature_get_name
gst_plugin_feature_load
gst_plugin_feature_list_free
gst_plugin_feature_check_version
<SUBSECTION Standard>
GstPluginFeatureClass
GST_PLUGIN_FEATURE
@ -1614,6 +1615,7 @@ gst_registry_lookup_feature
gst_registry_get_plugin_list
gst_registry_add_feature
<SUBSECTION Default Registry>
gst_default_registry_check_feature_version
gst_default_registry_get_path_list
gst_default_registry_add_plugin
gst_default_registry_add_path

68
gst/gstpluginfeature.c
View file

@ -199,7 +199,7 @@ gst_plugin_feature_set_rank (GstPluginFeature * feature, guint rank)
}
/**
* gst_plugin_feature_get rank:
* gst_plugin_feature_get_rank:
* @feature: a feature
*
* Gets the rank of a plugin feature.
@ -232,3 +232,69 @@ gst_plugin_feature_list_free (GList * list)
}
g_list_free (list);
}
/**
* gst_plugin_feature_check_version:
* @feature: a feature
* @min_major: minimum required major version
* @min_minor: minimum required minor version
* @min_micro: minimum required micro version
*
* Checks whether the given plugin feature is at least
* the required version
*
* Returns: #TRUE if the plugin feature has at least
* the required version, otherwise #FALSE.
*/
gboolean
gst_plugin_feature_check_version (GstPluginFeature * feature,
guint min_major, guint min_minor, guint min_micro)
{
GstRegistry *registry;
GstPlugin *plugin;
gboolean ret = FALSE;
g_return_val_if_fail (feature != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLUGIN_FEATURE (feature), FALSE);
GST_DEBUG ("Looking up plugin '%s' containing plugin feature '%s'",
feature->plugin_name, feature->name);
registry = gst_registry_get_default ();
plugin = gst_registry_find_plugin (registry, feature->plugin_name);
if (plugin) {
const gchar *ver_str;
guint major, minor, micro;
ver_str = gst_plugin_get_version (plugin);
g_return_val_if_fail (ver_str != NULL, FALSE);
if (sscanf (ver_str, "%u.%u.%u", &major, &minor, &micro) == 3) {
if (major > min_major)
ret = TRUE;
else if (major < min_major)
ret = FALSE;
else if (minor > min_minor)
ret = TRUE;
else if (minor < min_minor)
ret = FALSE;
else if (micro > min_micro)
ret = TRUE;
else
ret = (micro == min_micro);
GST_DEBUG ("Checking whether %u.%u.%u >= %u.%u.%u? %s", major, minor,
micro, min_major, min_minor, min_micro, (ret) ? "yes" : "no");
} else {
GST_WARNING ("Could not parse version string '%s' of plugin '%s'",
ver_str, feature->plugin_name);
}
gst_object_unref (plugin);
} else {
GST_DEBUG ("Could not find plugin '%s'", feature->plugin_name);
}
return ret;
}

5
gst/gstpluginfeature.h
View file

@ -126,6 +126,11 @@ G_CONST_RETURN gchar *gst_plugin_feature_get_name (GstPluginFeature *feature);
void gst_plugin_feature_list_free (GList *list);
gboolean gst_plugin_feature_check_version (GstPluginFeature *feature,
guint min_major,
guint min_minor,
guint min_micro);
G_END_DECLS

39
gst/gstregistry.c
View file

@ -803,3 +803,42 @@ _gst_registry_cleanup ()
gst_object_unref (_gst_registry_default);
_gst_registry_default = NULL;
}
/**
* gst_default_registry_check_feature_version:
* @feature_name: the name of the feature (e.g. "oggdemux")
* @min_major: the minimum major version number
* @min_minor: the minimum minor version number
* @min_micro: the minimum micro version number
*
* Checks whether a plugin feature by the given name exists in the
* default registry and whether its version is at least the
* version required.
*
* Returns: #TRUE if the feature could be found and the version is
* the same as the required version or newer, and #FALSE otherwise.
*/
gboolean
gst_default_registry_check_feature_version (const gchar * feature_name,
guint min_major, guint min_minor, guint min_micro)
{
GstPluginFeature *feature;
GstRegistry *registry;
gboolean ret = FALSE;
g_return_val_if_fail (feature_name != NULL, FALSE);
GST_DEBUG ("Looking up plugin feature '%s'", feature_name);
registry = gst_registry_get_default ();
feature = gst_registry_lookup_feature (registry, feature_name);
if (feature) {
ret = gst_plugin_feature_check_version (feature, min_major, min_minor,
min_micro);
gst_object_unref (feature);
} else {
GST_DEBUG ("Could not find plugin feature '%s'", feature_name);
}
return ret;
}

6
gst/gstregistry.h
View file

@ -60,6 +60,7 @@ struct _GstRegistryClass {
void (*plugin_added) (GstRegistry *registry, GstPlugin *plugin);
void (*feature_added) (GstRegistry *registry, GstPluginFeature *feature);
/*< private >*/
gpointer _gst_reserved[GST_PADDING];
};
@ -119,6 +120,11 @@ void _gst_registry_cleanup (void);
#define gst_default_registry_feature_filter(filter,first,user_data) \
gst_registry_feature_filter (gst_registry_get_default(),filter,first,user_data)
gboolean gst_default_registry_check_feature_version (const gchar *feature_name,
guint min_major,
guint min_minor,
guint min_micro);
G_END_DECLS
#endif /* __GST_REGISTRY_H__ */

45
tests/check/gst/gstplugin.c
View file

@ -247,6 +247,49 @@ GST_START_TEST (test_typefind)
GST_END_TEST;
#endif
GST_START_TEST (test_version_checks)
{
fail_if (gst_default_registry_check_feature_version ("identity",
GST_VERSION_MAJOR, GST_VERSION_MINOR, GST_VERSION_MICRO) == FALSE,
"Unexpected version check result");
fail_if (gst_default_registry_check_feature_version ("identity",
GST_VERSION_MAJOR + 1, GST_VERSION_MINOR, GST_VERSION_MICRO) == TRUE,
"Unexpected version check result");
fail_if (gst_default_registry_check_feature_version ("identity",
GST_VERSION_MAJOR, GST_VERSION_MINOR + 1, GST_VERSION_MICRO) == TRUE,
"Unexpected version check result");
fail_if (gst_default_registry_check_feature_version ("identity",
GST_VERSION_MAJOR, GST_VERSION_MINOR, GST_VERSION_MICRO + 1) == TRUE,
"Unexpected version check result");
if (GST_VERSION_MAJOR > 0) {
fail_if (gst_default_registry_check_feature_version ("identity",
GST_VERSION_MAJOR - 1, GST_VERSION_MINOR,
GST_VERSION_MICRO) == FALSE, "Unexpected version check result");
}
if (GST_VERSION_MINOR > 0) {
fail_if (gst_default_registry_check_feature_version ("identity",
GST_VERSION_MAJOR, GST_VERSION_MINOR - 1,
GST_VERSION_MICRO) == FALSE, "Unexpected version check result");
}
if (GST_VERSION_MICRO > 0) {
fail_if (gst_default_registry_check_feature_version ("identity",
GST_VERSION_MAJOR, GST_VERSION_MINOR,
GST_VERSION_MICRO - 1) == FALSE, "Unexpected version check result");
}
fail_if (gst_default_registry_check_feature_version ("entityid",
GST_VERSION_MAJOR, GST_VERSION_MINOR, GST_VERSION_MICRO) == TRUE,
"Unexpected version check result");
}
GST_END_TEST;
Suite *
gst_plugin_suite (void)
{
@ -264,12 +307,12 @@ gst_plugin_suite (void)
tcase_add_test (tc_chain, test_find_plugin);
tcase_add_test (tc_chain, test_find_feature);
tcase_add_test (tc_chain, test_find_element);
tcase_add_test (tc_chain, test_version_checks);
//tcase_add_test (tc_chain, test_typefind);
return s;
}
int
main (int argc, char **argv)
{