lv2: keep working with older versions

Provide a fallback impl. for the only new function we were using from 0.22.
Fixes #768595
This commit is contained in:
Stefan Sauer 2016-07-10 20:42:42 +02:00
parent dae928f14c
commit 13d963fbf0
2 changed files with 27 additions and 3 deletions

View file

@ -2361,7 +2361,13 @@ AG_GST_CHECK_FEATURE(LADSPA, [ladspa], ladspa, [
dnl *** LV2 ***
translit(dnm, m, l) AM_CONDITIONAL(USE_LV2, true)
AG_GST_CHECK_FEATURE(LV2, [lv2], lv2, [
PKG_CHECK_MODULES(LILV, lilv-0 >= 0.6.6, HAVE_LV2="yes", HAVE_LV2="no")
PKG_CHECK_MODULES(LILV, lilv-0 >= 0.22, [
HAVE_LV2="yes",
HAVE_LILV_0_22="yes"
AC_DEFINE(HAVE_LILV_0_22, 1, [Define if we have liblilv >= 0.22])
],[
PKG_CHECK_MODULES(LILV, lilv-0 >= 0.16, HAVE_LV2="yes", HAVE_LV2="no")
])
AC_SUBST(LILV_CFLAGS)
AC_SUBST(LILV_LIBS)
])

View file

@ -272,8 +272,12 @@ gst_lv2_save_preset (GstLV2 * lv2, GstObject * obj, const gchar * name)
GstElementFactory *factory;
LilvState *state;
LilvNode *bundle_dir;
const LilvNode *state_uri;
LilvInstance *instance = lv2->instance;
gboolean res;
#ifndef HAVE_LILV_0_22
gchar *filepath;
#endif
factory = gst_element_get_factory ((GstElement *) obj);
basename = g_strdup (gst_element_factory_get_metadata (factory,
@ -313,9 +317,19 @@ gst_lv2_save_preset (GstLV2 * lv2, GstObject * obj, const gchar * name)
lilv_world_load_bundle (world, bundle_dir);
lilv_node_free (bundle_dir);
lilv_world_load_resource (world, lilv_state_get_uri (state));
#ifdef HAVE_LILV_0_22
state_uri = lilv_state_get_uri (state);
#else
filepath = g_build_filename (dir, filename, NULL);
state_uri = lilv_new_uri (world, filepath);
#endif
lilv_world_load_resource (world, state_uri);
g_hash_table_insert (lv2->presets, g_strdup (name),
lilv_node_duplicate (lilv_state_get_uri (state)));
lilv_node_duplicate (state_uri));
#ifndef HAVE_LILV_0_22
g_free (filepath);
lilv_node_free ((LilvNode *) state_uri);
#endif
lilv_state_free (state);
if (!lv2->instance) {
@ -757,12 +771,16 @@ gst_lv2_element_class_set_metadata (GstLV2Class * lv2_class,
}
val = lilv_plugin_get_author_name (lv2plugin);
if (val) {
// TODO: check lilv_plugin_get_author_email(lv2plugin);
author = g_strdup (lilv_node_as_string (val));
lilv_node_free (val);
} else {
author = g_strdup ("no author available");
}
// TODO: better description from:
// lilv_plugin_get_author_homepage() and lilv_plugin_get_project()
lv2plugin_class = lilv_plugin_get_class (lv2plugin);
cval = lilv_plugin_class_get_label (lv2plugin_class);
if (cval) {