diff options
Diffstat (limited to 'src/server/LV2Block.cpp')
| -rw-r--r-- | src/server/LV2Block.cpp | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/server/LV2Block.cpp b/src/server/LV2Block.cpp index 7b1dc3f3..0525a2db 100644 --- a/src/server/LV2Block.cpp +++ b/src/server/LV2Block.cpp @@ -211,6 +211,9 @@ LV2Block::instantiate(BufferFactory& bufs) Ingen::Forge& forge = bufs.forge(); const uint32_t num_ports = lilv_plugin_get_num_ports(plug); + LilvNode* lv2_connectionOptional = lilv_new_uri( + bufs.engine().world()->lilv_world(), LV2_CORE__connectionOptional); + _ports = new Raul::Array<PortImpl*>(num_ports, NULL); bool ret = true; @@ -282,8 +285,11 @@ LV2Block::instantiate(BufferFactory& bufs) lilv_nodes_free(types); } + const bool optional = lilv_port_has_property( + plug, id, lv2_connectionOptional); + uint32_t port_buffer_size = bufs.default_size(buffer_type); - if (port_buffer_size == 0) { + if (port_buffer_size == 0 && !optional) { parent_graph()->engine().log().error( fmt("<%1%> port `%2%' has unknown buffer type\n") % _lv2_plugin->uri().c_str() % port_sym.c_str()); @@ -334,7 +340,8 @@ LV2Block::instantiate(BufferFactory& bufs) direction = OUTPUT; } - if (port_type == PortType::UNKNOWN || direction == UNKNOWN) { + if ((port_type == PortType::UNKNOWN && !optional) || + direction == UNKNOWN) { parent_graph()->engine().log().error( fmt("<%1%> port `%2%' has unknown type or direction\n") % _lv2_plugin->uri().c_str() % port_sym.c_str()); @@ -394,6 +401,8 @@ LV2Block::instantiate(BufferFactory& bufs) delete[] max_values; delete[] def_values; + lilv_node_free(lv2_connectionOptional); + if (!ret) { delete _ports; _ports = NULL; |