diff options
Diffstat (limited to 'src/server/LV2Block.cpp')
| -rw-r--r-- | src/server/LV2Block.cpp | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/src/server/LV2Block.cpp b/src/server/LV2Block.cpp index 30d1f090..6b644e5c 100644 --- a/src/server/LV2Block.cpp +++ b/src/server/LV2Block.cpp @@ -19,6 +19,9 @@ #include <cassert> #include <cmath> +#include <glibmm/miscutils.h> +#include <glibmm/convert.h> + #include "lv2/lv2plug.in/ns/ext/morph/morph.h" #include "lv2/lv2plug.in/ns/ext/presets/presets.h" #include "lv2/lv2plug.in/ns/ext/options/options.h" @@ -577,6 +580,74 @@ LV2Block::apply_state(LilvState* state) } } +static const void* +get_port_value(const char* port_symbol, + void* user_data, + uint32_t* size, + uint32_t* type) +{ + LV2Block* const block = (LV2Block*)user_data; + PortImpl* const port = block->port_by_symbol(port_symbol); + + if (port && port->is_input() && port->value().is_valid()) { + *size = port->value().size(); + *type = port->value().type(); + return port->value().get_body(); + } + + return NULL; +} + +boost::optional<Resource> +LV2Block::save_preset(const Raul::URI& uri, + const Properties& props) +{ + World* world = parent_graph()->engine().world(); + LilvWorld* lworld = _lv2_plugin->lv2_info()->lv2_world(); + LV2_URID_Map* lmap = &world->uri_map().urid_map_feature()->urid_map; + LV2_URID_Unmap* lunmap = &world->uri_map().urid_unmap_feature()->urid_unmap; + + const std::string path = Glib::filename_from_uri(uri); + const std::string dirname = Glib::path_get_dirname(path); + const std::string basename = Glib::path_get_basename(path); + + LilvState* state = lilv_state_new_from_instance( + _lv2_plugin->lilv_plugin(), instance(0), lmap, + NULL, NULL, NULL, path.c_str(), + get_port_value, this, LV2_STATE_IS_NATIVE, NULL); + + if (state) { + const Properties::const_iterator l = props.find(_uris.rdfs_label); + if (l != props.end() && l->second.type() == _uris.atom_String) { + lilv_state_set_label(state, l->second.ptr<char>()); + } + + lilv_state_save(lworld, lmap, lunmap, state, NULL, + dirname.c_str(), basename.c_str()); + + const Raul::URI uri(lilv_node_as_uri(lilv_state_get_uri(state))); + const std::string label(lilv_state_get_label(state) + ? lilv_state_get_label(state) + : basename); + lilv_state_free(state); + + Resource preset(_uris, uri); + preset.set_property(_uris.rdf_type, _uris.pset_Preset); + preset.set_property(_uris.rdfs_label, world->forge().alloc(label)); + preset.set_property(_uris.lv2_appliesTo, + world->forge().make_urid(_lv2_plugin->uri())); + + LilvNode* lbundle = lilv_new_uri( + lworld, Glib::filename_to_uri(dirname + "/").c_str()); + lilv_world_load_bundle(lworld, lbundle); + lilv_node_free(lbundle); + + return preset; + } + + return boost::optional<Resource>(); +} + void LV2Block::set_port_buffer(uint32_t voice, uint32_t port_num, |