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Implement latest LV2 files extension.

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git-svn-id: svn://localhost/ardour2/branches/3.0@9300 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
David Robillard 2011-04-06 14:58:44 +00:00
parent e8c8befb87
commit e0140b7c8f
2 changed files with 28 additions and 19 deletions
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3
libs/ardour/ardour/lv2_plugin.h
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@ -148,7 +148,8 @@ class LV2Plugin : public ARDOUR::Plugin
LV2_DataAccess _data_access_extension_data;
LV2_Feature _data_access_feature;
LV2_Feature _instance_access_feature;
LV2_Feature _files_feature;
LV2_Feature _path_support_feature;
LV2_Feature _new_file_support_feature;
LV2_Feature _persist_feature;
static URIMap _uri_map;

44
libs/ardour/lv2_plugin.cc
View File

@ -103,32 +103,38 @@ LV2Plugin::init(LV2World& world, SLV2Plugin plugin, framecnt_t rate)
_latency_control_port = 0;
_was_activated = false;
_instance_access_feature.URI = "http://lv2plug.in/ns/ext/instance-access";
_data_access_feature.URI = "http://lv2plug.in/ns/ext/data-access";
_files_feature.URI = LV2_FILES_FILE_SUPPORT_URI;
_persist_feature.URI = "http://lv2plug.in/ns/ext/persist";
_persist_feature.data = NULL;
_instance_access_feature.URI = "http://lv2plug.in/ns/ext/instance-access";
_data_access_feature.URI = "http://lv2plug.in/ns/ext/data-access";
_path_support_feature.URI = LV2_FILES_PATH_SUPPORT_URI;
_new_file_support_feature.URI = LV2_FILES_NEW_FILE_SUPPORT_URI;
_persist_feature.URI = "http://lv2plug.in/ns/ext/persist";
_persist_feature.data = NULL;
SLV2Value persist_uri = slv2_value_new_uri(_world.world, _persist_feature.URI);
_supports_persist = slv2_plugin_has_feature(plugin, persist_uri);
slv2_value_free(persist_uri);
_features = (LV2_Feature**)malloc(sizeof(LV2_Feature*) * 6);
_features = (LV2_Feature**)malloc(sizeof(LV2_Feature*) * 7);
_features[0] = &_instance_access_feature;
_features[1] = &_data_access_feature;
_features[2] = &_files_feature;
_features[3] = &_persist_feature;
_features[4] = _uri_map.feature();
_features[5] = NULL;
_features[2] = &_path_support_feature;
_features[3] = &_new_file_support_feature;
_features[4] = &_persist_feature;
_features[5] = _uri_map.feature();
_features[6] = NULL;
LV2_Files_File_Support* file_support = (LV2_Files_File_Support*)malloc(
sizeof(LV2_Files_File_Support));
file_support->host_data = this;
file_support->abstract_path = &lv2_files_abstract_path;
file_support->absolute_path = &lv2_files_absolute_path;
file_support->new_file_path = &lv2_files_new_file_path;
_files_feature.data = file_support;
LV2_Files_Path_Support* path_support = (LV2_Files_Path_Support*)malloc(
sizeof(LV2_Files_Path_Support));
path_support->host_data = this;
path_support->abstract_path = &lv2_files_abstract_path;
path_support->absolute_path = &lv2_files_absolute_path;
_path_support_feature.data = path_support;
LV2_Files_New_File_Support* new_file_support = (LV2_Files_New_File_Support*)malloc(
sizeof(LV2_Files_New_File_Support));
new_file_support->host_data = this;
new_file_support->new_file_path = &lv2_files_new_file_path;
_new_file_support_feature.data = new_file_support;
_instance = slv2_plugin_instantiate(plugin, rate, _features);
_name = slv2_plugin_get_name(plugin);
@ -725,6 +731,8 @@ LV2Plugin::set_state(const XMLNode& node, int version)
std::string state_path = Glib::build_filename(_session.plugins_dir(),
prop->value());
cout << "LV2 state path " << state_path << endl;
// Get LV2 Persist extension data from plugin instance
LV2_Persist* persist = (LV2_Persist*)slv2_instance_get_extension_data(
_instance, "http://lv2plug.in/ns/ext/persist");