X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Flv2_plugin.cc;h=c56b3ffc2ffd7551f444c7b05c2d6830f6fab2be;hb=097d851730f301f886dec4032feded9d3b7dd782;hp=50552d2eb8de2ce585eb9562a01fa9570a27140c;hpb=6fa6514cfdb0ce38d93b51197f599dfd091bad1d;p=ardour.git diff --git a/libs/ardour/lv2_plugin.cc b/libs/ardour/lv2_plugin.cc index 50552d2eb8..c56b3ffc2f 100644 --- a/libs/ardour/lv2_plugin.cc +++ b/libs/ardour/lv2_plugin.cc @@ -19,30 +19,35 @@ #include #include +#include #include #include #include -#include #include +#include +#include #include +#include "pbd/pathscanner.h" #include "pbd/compose.h" #include "pbd/error.h" #include "pbd/xml++.h" #include "libardour-config.h" -#include "ardour/types.h" #include "ardour/audio_buffer.h" #include "ardour/audioengine.h" #include "ardour/debug.h" #include "ardour/lv2_plugin.h" #include "ardour/session.h" #include "ardour/tempo.h" +#include "ardour/types.h" +#include "ardour/utils.h" #include "ardour/worker.h" +#include "ardour/lv2_bundled_search_path.h" #include "i18n.h" #include @@ -50,12 +55,20 @@ #include #include "lv2/lv2plug.in/ns/ext/atom/atom.h" +#include "lv2/lv2plug.in/ns/ext/atom/forge.h" +#include "lv2/lv2plug.in/ns/ext/log/log.h" +#include "lv2/lv2plug.in/ns/ext/midi/midi.h" #include "lv2/lv2plug.in/ns/ext/port-props/port-props.h" #include "lv2/lv2plug.in/ns/ext/presets/presets.h" #include "lv2/lv2plug.in/ns/ext/state/state.h" #include "lv2/lv2plug.in/ns/ext/time/time.h" #include "lv2/lv2plug.in/ns/ext/worker/worker.h" +#include "lv2/lv2plug.in/ns/ext/resize-port/resize-port.h" #include "lv2/lv2plug.in/ns/extensions/ui/ui.h" +#ifdef HAVE_NEW_LV2 +#include "lv2/lv2plug.in/ns/ext/buf-size/buf-size.h" +#include "lv2/lv2plug.in/ns/ext/options/options.h" +#endif #include "lv2_evbuf.h" @@ -63,31 +76,44 @@ #include #endif +/** The number of MIDI buffers that will fit in a UI/worker comm buffer. + This needs to be roughly the number of cycles the UI will get around to + actually processing the traffic. Lower values are flakier but save memory. +*/ +static const size_t NBUFS = 4; + using namespace std; using namespace ARDOUR; using namespace PBD; URIMap LV2Plugin::_uri_map; -uint32_t LV2Plugin::_midi_event_type_ev = _uri_map.uri_to_id( - "http://lv2plug.in/ns/ext/event", - "http://lv2plug.in/ns/ext/midi#MidiEvent"); -uint32_t LV2Plugin::_midi_event_type = _uri_map.uri_to_id( - NULL, - "http://lv2plug.in/ns/ext/midi#MidiEvent"); -uint32_t LV2Plugin::_chunk_type = _uri_map.uri_to_id( - NULL, LV2_ATOM__Chunk); -uint32_t LV2Plugin::_sequence_type = _uri_map.uri_to_id( - NULL, LV2_ATOM__Sequence); -uint32_t LV2Plugin::_event_transfer_type = _uri_map.uri_to_id( - NULL, LV2_ATOM__eventTransfer); -uint32_t LV2Plugin::_path_type = _uri_map.uri_to_id( - NULL, LV2_ATOM__Path); + +LV2Plugin::URIDs LV2Plugin::urids = { + _uri_map.uri_to_id(LV2_ATOM__Chunk), + _uri_map.uri_to_id(LV2_ATOM__Path), + _uri_map.uri_to_id(LV2_ATOM__Sequence), + _uri_map.uri_to_id(LV2_ATOM__eventTransfer), + _uri_map.uri_to_id(LV2_LOG__Error), + _uri_map.uri_to_id(LV2_LOG__Note), + _uri_map.uri_to_id(LV2_LOG__Warning), + _uri_map.uri_to_id(LV2_MIDI__MidiEvent), + _uri_map.uri_to_id(LV2_TIME__Position), + _uri_map.uri_to_id(LV2_TIME__bar), + _uri_map.uri_to_id(LV2_TIME__barBeat), + _uri_map.uri_to_id(LV2_TIME__beatUnit), + _uri_map.uri_to_id(LV2_TIME__beatsPerBar), + _uri_map.uri_to_id(LV2_TIME__beatsPerMinute), + _uri_map.uri_to_id(LV2_TIME__frame), + _uri_map.uri_to_id(LV2_TIME__speed) +}; class LV2World : boost::noncopyable { public: LV2World (); ~LV2World (); + void load_bundled_plugins(); + LilvWorld* world; LilvNode* atom_AtomPort; @@ -95,25 +121,36 @@ public: LilvNode* atom_Sequence; LilvNode* atom_bufferType; LilvNode* atom_eventTransfer; + LilvNode* atom_supports; LilvNode* ev_EventPort; LilvNode* ext_logarithmic; + LilvNode* ext_notOnGUI; LilvNode* lv2_AudioPort; LilvNode* lv2_ControlPort; LilvNode* lv2_InputPort; LilvNode* lv2_OutputPort; LilvNode* lv2_enumeration; + LilvNode* lv2_freewheeling; LilvNode* lv2_inPlaceBroken; LilvNode* lv2_integer; + LilvNode* lv2_reportsLatency; LilvNode* lv2_sampleRate; LilvNode* lv2_toggled; LilvNode* midi_MidiEvent; LilvNode* rdfs_comment; + LilvNode* rsz_minimumSize; + LilvNode* time_Position; LilvNode* ui_GtkUI; LilvNode* ui_external; + +private: + bool _bundle_checked; }; static LV2World _world; +/* worker extension */ + /** Called by the plugin to schedule non-RT work. */ static LV2_Worker_Status work_schedule(LV2_Worker_Schedule_Handle handle, @@ -148,30 +185,64 @@ work_respond(LV2_Worker_Respond_Handle handle, } } +/* log extension */ + +static int +log_vprintf(LV2_Log_Handle /*handle*/, + LV2_URID type, + const char* fmt, + va_list args) +{ + char* str = NULL; + const int ret = g_vasprintf(&str, fmt, args); + if (type == LV2Plugin::urids.log_Error) { + error << str << endmsg; + } else if (type == LV2Plugin::urids.log_Warning) { + warning << str << endmsg; + } else if (type == LV2Plugin::urids.log_Note) { + info << str << endmsg; + } + // TODO: Toggleable log:Trace message support + return ret; +} + +static int +log_printf(LV2_Log_Handle handle, + LV2_URID type, + const char* fmt, ...) +{ + va_list args; + va_start(args, fmt); + const int ret = log_vprintf(handle, type, fmt, args); + va_end(args); + return ret; +} + struct LV2Plugin::Impl { Impl() : plugin(0), ui(0), ui_type(0), name(0), author(0), instance(0) , work_iface(0) , state(0) {} - + /** Find the LV2 input port with the given designation. * If found, bufptrs[port_index] will be set to bufptr. */ - LilvPort* designated_input (const char* uri, void** bufptrs[], void** bufptr); - - LilvPlugin* plugin; - const LilvUI* ui; - const LilvNode* ui_type; - LilvNode* name; - LilvNode* author; - LilvInstance* instance; - LV2_Worker_Interface* work_iface; - LilvState* state; + const LilvPort* designated_input (const char* uri, void** bufptrs[], void** bufptr); + + const LilvPlugin* plugin; + const LilvUI* ui; + const LilvNode* ui_type; + LilvNode* name; + LilvNode* author; + LilvInstance* instance; + const LV2_Worker_Interface* work_iface; + LilvState* state; + LV2_Atom_Forge forge; }; LV2Plugin::LV2Plugin (AudioEngine& engine, Session& session, - void* c_plugin, + const void* c_plugin, framecnt_t rate) : Plugin (engine, session) , Workee () @@ -200,21 +271,26 @@ LV2Plugin::LV2Plugin (const LV2Plugin& other) } void -LV2Plugin::init(void* c_plugin, framecnt_t rate) +LV2Plugin::init(const void* c_plugin, framecnt_t rate) { DEBUG_TRACE(DEBUG::LV2, "init\n"); - _impl->plugin = (LilvPlugin*)c_plugin; + _impl->plugin = (const LilvPlugin*)c_plugin; _impl->ui = NULL; _impl->ui_type = NULL; _to_ui = NULL; _from_ui = NULL; _control_data = 0; _shadow_data = 0; + _atom_ev_buffers = 0; _ev_buffers = 0; _bpm_control_port = 0; _freewheel_control_port = 0; _latency_control_port = 0; + _next_cycle_start = std::numeric_limits::max(); + _next_cycle_speed = 1.0; + _block_length = _engine.frames_per_cycle(); + _seq_size = _engine.raw_buffer_size(DataType::MIDI); _state_version = 0; _was_activated = false; _has_state_interface = false; @@ -222,10 +298,13 @@ LV2Plugin::init(void* c_plugin, framecnt_t rate) _instance_access_feature.URI = "http://lv2plug.in/ns/ext/instance-access"; _data_access_feature.URI = "http://lv2plug.in/ns/ext/data-access"; _make_path_feature.URI = LV2_STATE__makePath; + _log_feature.URI = LV2_LOG__log; _work_schedule_feature.URI = LV2_WORKER__schedule; _work_schedule_feature.data = NULL; + _def_state_feature.URI = LV2_STATE_PREFIX "loadDefaultState"; // Post LV2-1.2.0 + _def_state_feature.data = NULL; - LilvPlugin* plugin = _impl->plugin; + const LilvPlugin* plugin = _impl->plugin; LilvNode* state_iface_uri = lilv_new_uri(_world.world, LV2_STATE__interface); LilvNode* state_uri = lilv_new_uri(_world.world, LV2_STATE_URI); @@ -237,15 +316,38 @@ LV2Plugin::init(void* c_plugin, framecnt_t rate) lilv_node_free(state_uri); lilv_node_free(state_iface_uri); - _features = (LV2_Feature**)malloc(sizeof(LV2_Feature*) * 8); + _features = (LV2_Feature**)calloc(11, sizeof(LV2_Feature*)); _features[0] = &_instance_access_feature; _features[1] = &_data_access_feature; _features[2] = &_make_path_feature; _features[3] = _uri_map.uri_map_feature(); _features[4] = _uri_map.urid_map_feature(); _features[5] = _uri_map.urid_unmap_feature(); - _features[6] = NULL; - _features[7] = NULL; + _features[6] = &_log_feature; + + unsigned n_features = 7; +#ifdef HAVE_NEW_LV2 + _features[n_features++] = &_def_state_feature; +#endif + + lv2_atom_forge_init(&_impl->forge, _uri_map.urid_map()); + +#ifdef HAVE_NEW_LV2 + LV2_URID atom_Int = _uri_map.uri_to_id(LV2_ATOM__Int); + LV2_Options_Option options[] = { + { LV2_OPTIONS_INSTANCE, 0, _uri_map.uri_to_id(LV2_BUF_SIZE__minBlockLength), + sizeof(int32_t), atom_Int, &_block_length }, + { LV2_OPTIONS_INSTANCE, 0, _uri_map.uri_to_id(LV2_BUF_SIZE__maxBlockLength), + sizeof(int32_t), atom_Int, &_block_length }, + { LV2_OPTIONS_INSTANCE, 0, _uri_map.uri_to_id(LV2_BUF_SIZE__sequenceSize), + sizeof(int32_t), atom_Int, &_seq_size }, + { LV2_OPTIONS_INSTANCE, 0, 0, 0, 0, NULL } + }; + + _options_feature.URI = LV2_OPTIONS__options; + _options_feature.data = options; + _features[n_features++] = &_options_feature; +#endif LV2_State_Make_Path* make_path = (LV2_State_Make_Path*)malloc( sizeof(LV2_State_Make_Path)); @@ -253,15 +355,22 @@ LV2Plugin::init(void* c_plugin, framecnt_t rate) make_path->path = &lv2_state_make_path; _make_path_feature.data = make_path; + LV2_Log_Log* log = (LV2_Log_Log*)malloc(sizeof(LV2_Log_Log)); + log->handle = this; + log->printf = &log_printf; + log->vprintf = &log_vprintf; + _log_feature.data = log; + LilvNode* worker_schedule = lilv_new_uri(_world.world, LV2_WORKER__schedule); if (lilv_plugin_has_feature(plugin, worker_schedule)) { LV2_Worker_Schedule* schedule = (LV2_Worker_Schedule*)malloc( sizeof(LV2_Worker_Schedule)); - _worker = new Worker(this, 4096); + size_t buf_size = _session.engine().raw_buffer_size(DataType::MIDI) * NBUFS; + _worker = new Worker(this, buf_size); schedule->handle = this; schedule->schedule_work = work_schedule; _work_schedule_feature.data = schedule; - _features[6] = &_work_schedule_feature; + _features[n_features++] = &_work_schedule_feature; } lilv_node_free(worker_schedule); @@ -278,7 +387,12 @@ LV2Plugin::init(void* c_plugin, framecnt_t rate) _data_access_extension_data.extension_data = _impl->instance->lv2_descriptor->extension_data; _data_access_feature.data = &_data_access_extension_data; - _impl->work_iface = (LV2_Worker_Interface*)extension_data(LV2_WORKER__interface); + LilvNode* worker_iface_uri = lilv_new_uri(_world.world, LV2_WORKER__interface); + if (lilv_plugin_has_extension_data(plugin, worker_iface_uri)) { + _impl->work_iface = (const LV2_Worker_Interface*)extension_data( + LV2_WORKER__interface); + } + lilv_node_free(worker_iface_uri); if (lilv_plugin_has_feature(plugin, _world.lv2_inPlaceBroken)) { error << string_compose( @@ -289,12 +403,22 @@ LV2Plugin::init(void* c_plugin, framecnt_t rate) throw failed_constructor(); } +#ifdef HAVE_NEW_LILV + // Load default state + LilvState* state = lilv_state_new_from_world( + _world.world, _uri_map.urid_map(), lilv_plugin_get_uri(_impl->plugin)); + if (state && _has_state_interface) { + lilv_state_restore(state, _impl->instance, NULL, NULL, 0, NULL); + } +#endif + _sample_rate = rate; const uint32_t num_ports = this->num_ports(); for (uint32_t i = 0; i < num_ports; ++i) { const LilvPort* port = lilv_plugin_get_port_by_index(_impl->plugin, i); PortFlags flags = 0; + size_t minimumSize = 0; if (lilv_port_is_a(_impl->plugin, port, _world.lv2_OutputPort)) { flags |= PORT_OUTPUT; @@ -313,13 +437,30 @@ LV2Plugin::init(void* c_plugin, framecnt_t rate) flags |= PORT_AUDIO; } else if (lilv_port_is_a(_impl->plugin, port, _world.ev_EventPort)) { flags |= PORT_EVENT; + flags |= PORT_MIDI; // We assume old event API ports are for MIDI } else if (lilv_port_is_a(_impl->plugin, port, _world.atom_AtomPort)) { LilvNodes* buffer_types = lilv_port_get_value( _impl->plugin, port, _world.atom_bufferType); - if (lilv_nodes_contains(buffer_types, _world.atom_Sequence)) { - flags |= PORT_MESSAGE; + LilvNodes* atom_supports = lilv_port_get_value( + _impl->plugin, port, _world.atom_supports); + + if (lilv_nodes_contains(buffer_types, _world.atom_Sequence)) { + flags |= PORT_SEQUENCE; + if (lilv_nodes_contains(atom_supports, _world.midi_MidiEvent)) { + flags |= PORT_MIDI; } + if (lilv_nodes_contains(atom_supports, _world.time_Position)) { + flags |= PORT_POSITION; + } + } + LilvNodes* min_size_v = lilv_port_get_value(_impl->plugin, port, _world.rsz_minimumSize); + LilvNode* min_size = min_size_v ? lilv_nodes_get_first(min_size_v) : NULL; + if (min_size && lilv_node_is_int(min_size)) { + minimumSize = lilv_node_as_int(min_size); + } + lilv_nodes_free(min_size_v); lilv_nodes_free(buffer_types); + lilv_nodes_free(atom_supports); } else { error << string_compose( "LV2: \"%1\" port %2 has no known data type", @@ -328,6 +469,7 @@ LV2Plugin::init(void* c_plugin, framecnt_t rate) } _port_flags.push_back(flags); + _port_minimumSize.push_back(minimumSize); } _control_data = new float[num_ports]; @@ -428,6 +570,7 @@ LV2Plugin::init(void* c_plugin, framecnt_t rate) } } + allocate_atom_event_buffers(); latency_compute_run(); } @@ -448,6 +591,16 @@ LV2Plugin::~LV2Plugin () delete _to_ui; delete _from_ui; + delete _worker; + + if (_atom_ev_buffers) { + LV2_Evbuf** b = _atom_ev_buffers; + while (*b) { + free(*b); + b++; + } + free(_atom_ev_buffers); + } delete [] _control_data; delete [] _shadow_data; @@ -562,6 +715,10 @@ LV2Plugin::set_parameter(uint32_t which, float val) "%1 set parameter %2 to %3\n", name(), which, val)); if (which < lilv_plugin_get_num_ports(_impl->plugin)) { + if (get_parameter (which) == val) { + return; + } + _shadow_data[which] = val; } else { warning << string_compose( @@ -596,7 +753,7 @@ LV2Plugin::get_docs() const return ""; } - + std::string LV2Plugin::get_parameter_docs(uint32_t which) const { @@ -631,27 +788,27 @@ LV2Plugin::nth_parameter(uint32_t n, bool& ok) const } const void* -LV2Plugin::extension_data (const char* uri) const +LV2Plugin::extension_data(const char* uri) const { return lilv_instance_get_extension_data(_impl->instance, uri); } -void* -LV2Plugin::c_plugin () +const void* +LV2Plugin::c_plugin() { return _impl->plugin; } -void* -LV2Plugin::c_ui () +const void* +LV2Plugin::c_ui() { - return (void*)_impl->ui; + return (const void*)_impl->ui; } -void* -LV2Plugin::c_ui_type () +const void* +LV2Plugin::c_ui_type() { - return (void*)_impl->ui_type; + return (const void*)_impl->ui_type; } /** Directory for all plugin state. */ @@ -704,9 +861,6 @@ LV2Plugin::lv2_state_make_path(LV2_State_Make_Path_Handle handle, DEBUG_TRACE(DEBUG::LV2, string_compose("new file path %1 => %2\n", path, abs_path)); - std::cerr << "MAKE PATH " << path - << " => " << g_strndup(abs_path.c_str(), abs_path.length()) - << std::endl; return g_strndup(abs_path.c_str(), abs_path.length()); } @@ -751,13 +905,10 @@ LV2Plugin::add_state(XMLNode* root) const } if (_has_state_interface) { - cout << "LV2 " << name() << " has state interface" << endl; // Provisionally increment state version and create directory const std::string new_dir = state_dir(++_state_version); g_mkdir_with_parents(new_dir.c_str(), 0744); - cout << "NEW DIR: " << new_dir << endl; - LilvState* state = lilv_state_new_from_instance( _impl->plugin, _impl->instance, @@ -767,7 +918,7 @@ LV2Plugin::add_state(XMLNode* root) const _session.externals_dir().c_str(), new_dir.c_str(), NULL, - (void*)this, + const_cast(this), 0, NULL); @@ -782,19 +933,14 @@ LV2Plugin::add_state(XMLNode* root) const lilv_state_free(_impl->state); _impl->state = state; - - cout << "Saved LV2 state to " << state_dir(_state_version) << endl; } else { // State is identical, decrement version and nuke directory - cout << "LV2 state identical, not saving" << endl; lilv_state_free(state); remove_directory(new_dir); --_state_version; } root->add_property("state-dir", string_compose("state%1", _state_version)); - } else { - cout << "LV2 " << name() << " has no state interface." << endl; } } @@ -836,48 +982,116 @@ LV2Plugin::find_presets() lilv_node_free(lv2_appliesTo); } +static void +set_port_value(const char* port_symbol, + void* user_data, + const void* value, + uint32_t /*size*/, + uint32_t type) +{ + LV2Plugin* self = (LV2Plugin*)user_data; + if (type != 0 && type != self->_uri_map.uri_to_id(LV2_ATOM__Float)) { + return; // TODO: Support non-float ports + } + + const uint32_t port_index = self->port_index(port_symbol); + if (port_index != (uint32_t)-1) { + self->set_parameter(port_index, *(const float*)value); + } +} + bool LV2Plugin::load_preset(PresetRecord r) { - Plugin::load_preset(r); + LilvWorld* world = _world.world; + LilvNode* pset = lilv_new_uri(world, r.uri.c_str()); + LilvState* state = lilv_state_new_from_world(world, _uri_map.urid_map(), pset); - std::map::iterator it; + if (state) { + lilv_state_restore(state, _impl->instance, set_port_value, this, 0, NULL); + lilv_state_free(state); + } - LilvNode* lv2_port = lilv_new_uri(_world.world, LILV_NS_LV2 "port"); - LilvNode* lv2_symbol = lilv_new_uri(_world.world, LILV_NS_LV2 "symbol"); - LilvNode* preset = lilv_new_uri(_world.world, r.uri.c_str()); - LilvNode* pset_value = lilv_new_uri(_world.world, LV2_PRESETS__value); + lilv_node_free(pset); + return state; +} - LilvNodes* ports = lilv_world_find_nodes(_world.world, preset, lv2_port, NULL); - LILV_FOREACH(nodes, i, ports) { - const LilvNode* port = lilv_nodes_get(ports, i); - const LilvNode* symbol = get_value(_world.world, port, lv2_symbol); - const LilvNode* value = get_value(_world.world, port, pset_value); - if (value && lilv_node_is_float(value)) { - it = _port_indices.find(lilv_node_as_string(symbol)); - if (it != _port_indices.end()) - set_parameter(it->second,lilv_node_as_float(value)); +const void* +ARDOUR::lv2plugin_get_port_value(const char* port_symbol, + void* user_data, + uint32_t* size, + uint32_t* type) +{ + LV2Plugin *plugin = (LV2Plugin *) user_data; + + uint32_t index = plugin->port_index(port_symbol); + if (index != (uint32_t) -1) { + if (plugin->parameter_is_input(index) && plugin->parameter_is_control(index)) { + float *value; + *size = sizeof(float); + *type = plugin->_uri_map.uri_to_id(LV2_ATOM__Float); + value = &plugin->_shadow_data[index]; + + return value; } } - lilv_nodes_free(ports); - lilv_node_free(pset_value); - lilv_node_free(preset); - lilv_node_free(lv2_symbol); - lilv_node_free(lv2_port); - - return true; + *size = *type = 0; + return NULL; } + std::string -LV2Plugin::do_save_preset(string /*name*/) +LV2Plugin::do_save_preset(string name) { - return ""; + const string base_name = legalize_for_uri(name); + const string file_name = base_name + ".ttl"; + const string bundle = Glib::build_filename( + Glib::get_home_dir(), + Glib::build_filename(".lv2", base_name + ".lv2")); + + LilvState* state = lilv_state_new_from_instance( + _impl->plugin, + _impl->instance, + _uri_map.urid_map(), + scratch_dir().c_str(), // file_dir + bundle.c_str(), // copy_dir + bundle.c_str(), // link_dir + bundle.c_str(), // save_dir + lv2plugin_get_port_value, // get_value + (void*)this, // user_data + LV2_STATE_IS_POD|LV2_STATE_IS_PORTABLE, // flags + _features // features + ); + + lilv_state_set_label(state, name.c_str()); + lilv_state_save( + _world.world, // world + _uri_map.urid_map(), // map + _uri_map.urid_unmap(), // unmap + state, // state + NULL, // uri (NULL = use file URI) + bundle.c_str(), // dir + file_name.c_str() // filename + ); + + lilv_state_free(state); + + return Glib::filename_to_uri(Glib::build_filename(bundle, file_name)); } void -LV2Plugin::do_remove_preset(string /*name*/) -{} +LV2Plugin::do_remove_preset(string name) +{ + string preset_file = Glib::build_filename( + Glib::get_home_dir(), + Glib::build_filename( + Glib::build_filename(".lv2", "presets"), + name + ".ttl" + ) + ); + unlink(preset_file.c_str()); +} bool LV2Plugin::has_editor() const @@ -889,25 +1103,20 @@ bool LV2Plugin::has_message_output() const { for (uint32_t i = 0; i < num_ports(); ++i) { - if ((_port_flags[i] & PORT_MESSAGE) && _port_flags[i] & PORT_OUTPUT) { + if ((_port_flags[i] & PORT_SEQUENCE) && + (_port_flags[i] & PORT_OUTPUT)) { return true; } } return false; } -uint32_t -LV2Plugin::atom_eventTransfer() const -{ - return _event_transfer_type; -} - -void +bool LV2Plugin::write_to(RingBuffer* dest, uint32_t index, uint32_t protocol, uint32_t size, - uint8_t* body) + const uint8_t* body) { const uint32_t buf_size = sizeof(UIMessage) + size; uint8_t buf[buf_size]; @@ -918,39 +1127,46 @@ LV2Plugin::write_to(RingBuffer* dest, msg->size = size; memcpy(msg + 1, body, size); - if (dest->write(buf, buf_size) != buf_size) { - error << "Error writing to UI=>Plugin RingBuffer" << endmsg; - } + return (dest->write(buf, buf_size) == buf_size); } -void -LV2Plugin::write_from_ui(uint32_t index, - uint32_t protocol, - uint32_t size, - uint8_t* body) +bool +LV2Plugin::write_from_ui(uint32_t index, + uint32_t protocol, + uint32_t size, + const uint8_t* body) { if (!_from_ui) { - _from_ui = new RingBuffer(4096); + _from_ui = new RingBuffer( + _session.engine().raw_buffer_size(DataType::MIDI) * NBUFS); } - write_to(_from_ui, index, protocol, size, body); + if (!write_to(_from_ui, index, protocol, size, body)) { + error << "Error writing from UI to plugin" << endmsg; + return false; + } + return true; } -void -LV2Plugin::write_to_ui(uint32_t index, - uint32_t protocol, - uint32_t size, - uint8_t* body) +bool +LV2Plugin::write_to_ui(uint32_t index, + uint32_t protocol, + uint32_t size, + const uint8_t* body) { - std::cerr << "WRITE TO UI" << std::endl; - write_to(_to_ui, index, protocol, size, body); + if (!write_to(_to_ui, index, protocol, size, body)) { + error << "Error writing from plugin to UI" << endmsg; + return false; + } + return true; } void LV2Plugin::enable_ui_emmission() { if (!_to_ui) { - _to_ui = new RingBuffer(4096); + _to_ui = new RingBuffer( + _session.engine().raw_buffer_size(DataType::MIDI) * NBUFS); } } @@ -1017,6 +1233,8 @@ LV2Plugin::set_state(const XMLNode& node, int version) return -1; } +#ifndef NO_PLUGIN_STATE + if (version < 3000) { nodes = node.children("port"); } else { @@ -1065,7 +1283,6 @@ LV2Plugin::set_state(const XMLNode& node, int version) plugin_dir(), Glib::build_filename(prop->value(), "state.ttl")); - cout << "Loading LV2 state from " << state_file << endl; LilvState* state = lilv_state_new_from_file( _world.world, _uri_map.urid_map(), NULL, state_file.c_str()); @@ -1073,6 +1290,7 @@ LV2Plugin::set_state(const XMLNode& node, int version) } latency_compute_run(); +#endif return Plugin::set_state(node, version); } @@ -1124,6 +1342,27 @@ string LV2Plugin::describe_parameter(Evoral::Parameter which) { if (( which.type() == PluginAutomation) && ( which.id() < parameter_count()) ) { + + if (lilv_port_has_property(_impl->plugin, + lilv_plugin_get_port_by_index(_impl->plugin, which.id()), _world.ext_notOnGUI)) { + return X_("hidden"); + } + + if (lilv_port_has_property(_impl->plugin, + lilv_plugin_get_port_by_index(_impl->plugin, which.id()), _world.lv2_freewheeling)) { + return X_("hidden"); + } + + if (lilv_port_has_property(_impl->plugin, + lilv_plugin_get_port_by_index(_impl->plugin, which.id()), _world.lv2_sampleRate)) { + return X_("hidden"); + } + + if (lilv_port_has_property(_impl->plugin, + lilv_plugin_get_port_by_index(_impl->plugin, which.id()), _world.lv2_reportsLatency)) { + return X_("latency"); + } + LilvNode* name = lilv_port_get_name(_impl->plugin, lilv_plugin_get_port_by_index(_impl->plugin, which.id())); string ret(lilv_node_as_string(name)); @@ -1191,6 +1430,102 @@ LV2Plugin::cleanup() _impl->instance = NULL; } +void +LV2Plugin::allocate_atom_event_buffers() +{ + /* reserve local scratch buffers for ATOM event-queues */ + const LilvPlugin* p = _impl->plugin; + + /* count non-MIDI atom event-ports + * TODO: nicely ask drobilla to make a lilv_ call for that + */ + int count_atom_out = 0; + int count_atom_in = 0; + int minimumSize = 32768; // TODO use a per-port minimum-size + for (uint32_t i = 0; i < lilv_plugin_get_num_ports(p); ++i) { + const LilvPort* port = lilv_plugin_get_port_by_index(p, i); + if (lilv_port_is_a(p, port, _world.atom_AtomPort)) { + LilvNodes* buffer_types = lilv_port_get_value( + p, port, _world.atom_bufferType); + LilvNodes* atom_supports = lilv_port_get_value( + p, port, _world.atom_supports); + + if (!lilv_nodes_contains(buffer_types, _world.atom_Sequence) + || !lilv_nodes_contains(atom_supports, _world.midi_MidiEvent)) { + if (lilv_port_is_a(p, port, _world.lv2_InputPort)) { + count_atom_in++; + } + if (lilv_port_is_a(p, port, _world.lv2_OutputPort)) { + count_atom_out++; + } + LilvNodes* min_size_v = lilv_port_get_value(_impl->plugin, port, _world.rsz_minimumSize); + LilvNode* min_size = min_size_v ? lilv_nodes_get_first(min_size_v) : NULL; + if (min_size && lilv_node_is_int(min_size)) { + minimumSize = std::max(minimumSize, lilv_node_as_int(min_size)); + } + lilv_nodes_free(min_size_v); + } + lilv_nodes_free(buffer_types); + lilv_nodes_free(atom_supports); + } + } + + DEBUG_TRACE(DEBUG::LV2, string_compose("%1 need buffers for %2 atom-in and %3 atom-out event-ports\n", + name(), count_atom_in, count_atom_out)); + + const int total_atom_buffers = (count_atom_in + count_atom_out); + if (_atom_ev_buffers || total_atom_buffers == 0) { + return; + } + + DEBUG_TRACE(DEBUG::LV2, string_compose("allocate %1 atom_ev_buffers\n", total_atom_buffers)); + _atom_ev_buffers = (LV2_Evbuf**) malloc((total_atom_buffers + 1) * sizeof(LV2_Evbuf*)); + for (int i = 0; i < total_atom_buffers; ++i ) { + _atom_ev_buffers[i] = lv2_evbuf_new(minimumSize, LV2_EVBUF_ATOM, + LV2Plugin::urids.atom_Chunk, LV2Plugin::urids.atom_Sequence); + } + _atom_ev_buffers[total_atom_buffers] = 0; + return; +} + +/** Write an ardour position/time/tempo/meter as an LV2 event. + * @return true on success. + */ +static bool +write_position(LV2_Atom_Forge* forge, + LV2_Evbuf* buf, + const TempoMetric& t, + Timecode::BBT_Time& bbt, + double speed, + framepos_t position, + framecnt_t offset) +{ + uint8_t pos_buf[256]; + lv2_atom_forge_set_buffer(forge, pos_buf, sizeof(pos_buf)); + LV2_Atom_Forge_Frame frame; + lv2_atom_forge_blank(forge, &frame, 1, LV2Plugin::urids.time_Position); + lv2_atom_forge_property_head(forge, LV2Plugin::urids.time_frame, 0); + lv2_atom_forge_long(forge, position); + lv2_atom_forge_property_head(forge, LV2Plugin::urids.time_speed, 0); + lv2_atom_forge_float(forge, speed); + lv2_atom_forge_property_head(forge, LV2Plugin::urids.time_barBeat, 0); + lv2_atom_forge_float(forge, bbt.beats - 1 + + (bbt.ticks / Timecode::BBT_Time::ticks_per_beat)); + lv2_atom_forge_property_head(forge, LV2Plugin::urids.time_bar, 0); + lv2_atom_forge_long(forge, bbt.bars - 1); + lv2_atom_forge_property_head(forge, LV2Plugin::urids.time_beatUnit, 0); + lv2_atom_forge_int(forge, t.meter().note_divisor()); + lv2_atom_forge_property_head(forge, LV2Plugin::urids.time_beatsPerBar, 0); + lv2_atom_forge_float(forge, t.meter().divisions_per_bar()); + lv2_atom_forge_property_head(forge, LV2Plugin::urids.time_beatsPerMinute, 0); + lv2_atom_forge_float(forge, t.tempo().beats_per_minute()); + + LV2_Evbuf_Iterator end = lv2_evbuf_end(buf); + const LV2_Atom* const atom = (const LV2_Atom*)pos_buf; + return lv2_evbuf_write(&end, offset, 0, atom->type, atom->size, + (const uint8_t*)(atom + 1)); +} + int LV2Plugin::connect_and_run(BufferSet& bufs, ChanMapping in_map, ChanMapping out_map, @@ -1201,32 +1536,36 @@ LV2Plugin::connect_and_run(BufferSet& bufs, cycles_t then = get_cycles(); + TempoMap& tmap = _session.tempo_map(); + Metrics::const_iterator metric_i = tmap.metrics_end(); + TempoMetric tmetric = tmap.metric_at(_session.transport_frame(), &metric_i); + if (_freewheel_control_port) { - *_freewheel_control_port = _session.engine().freewheeling (); + *_freewheel_control_port = _session.engine().freewheeling(); } if (_bpm_control_port) { - TempoMap& tmap (_session.tempo_map ()); - Tempo tempo = tmap.tempo_at (_session.transport_frame () + offset); - *_bpm_control_port = tempo.beats_per_minute (); + *_bpm_control_port = tmetric.tempo().beats_per_minute(); } ChanCount bufs_count; bufs_count.set(DataType::AUDIO, 1); bufs_count.set(DataType::MIDI, 1); BufferSet& silent_bufs = _session.get_silent_buffers(bufs_count); - BufferSet& scratch_bufs = _session.get_silent_buffers(bufs_count); + BufferSet& scratch_bufs = _session.get_scratch_buffers(bufs_count); uint32_t const num_ports = parameter_count(); + uint32_t const nil_index = std::numeric_limits::max(); uint32_t audio_in_index = 0; uint32_t audio_out_index = 0; uint32_t midi_in_index = 0; uint32_t midi_out_index = 0; - bool valid; + uint32_t atom_port_index = 0; for (uint32_t port_index = 0; port_index < num_ports; ++port_index) { void* buf = NULL; - uint32_t index = 0; + uint32_t index = nil_index; PortFlags flags = _port_flags[port_index]; + bool valid = false; if (flags & PORT_AUDIO) { if (flags & PORT_INPUT) { index = in_map.get(DataType::AUDIO, audio_in_index++, &valid); @@ -1239,24 +1578,83 @@ LV2Plugin::connect_and_run(BufferSet& bufs, ? bufs.get_audio(index).data(offset) : scratch_bufs.get_audio(0).data(offset); } - } else if (flags & (PORT_EVENT|PORT_MESSAGE)) { + } else if (flags & (PORT_EVENT|PORT_SEQUENCE)) { /* FIXME: The checks here for bufs.count().n_midi() > index shouldn't be necessary, but the mapping is illegal in some cases. Ideally that should be fixed, but this is easier... */ - if (flags & PORT_INPUT) { - index = in_map.get(DataType::MIDI, midi_in_index++, &valid); - _ev_buffers[port_index] = (valid && bufs.count().n_midi() > index) - ? bufs.get_lv2_midi(true, index, flags & PORT_EVENT) - : silent_bufs.get_lv2_midi(true, 0, flags & PORT_EVENT); - buf = lv2_evbuf_get_buffer(_ev_buffers[port_index]); - } else { - index = out_map.get(DataType::MIDI, midi_out_index++, &valid); - _ev_buffers[port_index] = (valid && bufs.count().n_midi() > index) - ? bufs.get_lv2_midi(false, index, flags & PORT_EVENT) - : scratch_bufs.get_lv2_midi(false, 0, flags & PORT_EVENT); - buf = lv2_evbuf_get_buffer(_ev_buffers[port_index]); + if (flags & PORT_MIDI) { + if (flags & PORT_INPUT) { + index = in_map.get(DataType::MIDI, midi_in_index++, &valid); + } else { + index = out_map.get(DataType::MIDI, midi_out_index++, &valid); + } + if (valid && bufs.count().n_midi() > index) { + /* Note, ensure_lv2_bufsize() is not RT safe! + * However free()/alloc() is only called if a + * plugin requires a rsz:minimumSize buffersize + * and the existing buffer if smaller. + */ + bufs.ensure_lv2_bufsize((flags & PORT_INPUT), index, _port_minimumSize[port_index]); + _ev_buffers[port_index] = bufs.get_lv2_midi( + (flags & PORT_INPUT), index, (flags & PORT_EVENT)); + } + } else if ((flags & PORT_POSITION) && (flags & PORT_INPUT)) { + lv2_evbuf_reset(_atom_ev_buffers[atom_port_index], true); + _ev_buffers[port_index] = _atom_ev_buffers[atom_port_index++]; + valid = true; + } + + if (valid && (flags & PORT_INPUT)) { + Timecode::BBT_Time bbt; + if ((flags & PORT_POSITION)) { + if (_session.transport_frame() != _next_cycle_start || + _session.transport_speed() != _next_cycle_speed) { + // Transport has changed, write position at cycle start + tmap.bbt_time(_session.transport_frame(), bbt); + write_position(&_impl->forge, _ev_buffers[port_index], + tmetric, bbt, _session.transport_speed(), + _session.transport_frame(), 0); + } + } + + // Get MIDI iterator range (empty range if no MIDI) + MidiBuffer::iterator m = (index != nil_index) + ? bufs.get_midi(index).begin() + : silent_bufs.get_midi(0).end(); + MidiBuffer::iterator m_end = (index != nil_index) + ? bufs.get_midi(index).end() + : m; + + // Now merge MIDI and any transport events into the buffer + const uint32_t type = LV2Plugin::urids.midi_MidiEvent; + const framepos_t tend = _session.transport_frame() + nframes; + ++metric_i; + while (m != m_end || (metric_i != tmap.metrics_end() && + (*metric_i)->frame() < tend)) { + MetricSection* metric = (metric_i != tmap.metrics_end()) + ? *metric_i : NULL; + if (m != m_end && (!metric || metric->frame() > (*m).time())) { + const Evoral::MIDIEvent ev(*m, false); + LV2_Evbuf_Iterator eend = lv2_evbuf_end(_ev_buffers[port_index]); + lv2_evbuf_write(&eend, ev.time(), 0, type, ev.size(), ev.buffer()); + ++m; + } else { + tmetric.set_metric(metric); + bbt = metric->start(); + write_position(&_impl->forge, _ev_buffers[port_index], + tmetric, bbt, _session.transport_speed(), + metric->frame(), + metric->frame() - _session.transport_frame()); + ++metric_i; + } + } + } else if (!valid) { + // Nothing we understand or care about, connect to scratch + _ev_buffers[port_index] = scratch_bufs.get_lv2_midi( + (flags & PORT_INPUT), 0, (flags & PORT_EVENT)); } + buf = lv2_evbuf_get_buffer(_ev_buffers[port_index]); } else { continue; // Control port, leave buffer alone } @@ -1277,12 +1675,14 @@ LV2Plugin::connect_and_run(BufferSet& bufs, error << "Error reading from UI=>Plugin RingBuffer" << endmsg; break; } - if (msg.protocol == _event_transfer_type) { - LV2_Evbuf* buf = _ev_buffers[msg.index]; + if (msg.protocol == urids.atom_eventTransfer) { + LV2_Evbuf* buf = _ev_buffers[msg.index]; LV2_Evbuf_Iterator i = lv2_evbuf_end(buf); const LV2_Atom* const atom = (const LV2_Atom*)body; - lv2_evbuf_write(&i, nframes, 0, atom->type, atom->size, - (const uint8_t*)LV2_ATOM_BODY(atom)); + if (!lv2_evbuf_write(&i, nframes, 0, atom->type, atom->size, + (const uint8_t*)(atom + 1))) { + error << "Failed to write data to LV2 event buffer\n"; + } } else { error << "Received unknown message type from UI" << endmsg; } @@ -1295,9 +1695,30 @@ LV2Plugin::connect_and_run(BufferSet& bufs, midi_out_index = 0; for (uint32_t port_index = 0; port_index < num_ports; ++port_index) { PortFlags flags = _port_flags[port_index]; - - // Flush MIDI (write back to Ardour MIDI buffers) - if ((flags & PORT_OUTPUT) && (flags & (PORT_EVENT|PORT_MESSAGE))) { + bool valid = false; + + /* TODO ask drobilla about comment + * "Make Ardour event buffers generic so plugins can communicate" + * in libs/ardour/buffer_set.cc:310 + * + * ideally the user could choose which of the following two modes + * to use (e.g. instrument/effect chains MIDI OUT vs MIDI TRHU). + * + * This implementation follows the discussion on IRC Mar 16 2013 16:47 UTC + * 16:51 < drobilla> rgareus: [..] i.e always replace with MIDI output [of LV2 plugin] if it's there + * 16:52 < drobilla> rgareus: That would probably be good enough [..] to make users not complain + * for quite a while at least ;) + */ + // copy output of LV2 plugin's MIDI port to Ardour MIDI buffers -- MIDI OUT + if ((flags & PORT_OUTPUT) && (flags & (PORT_EVENT|PORT_SEQUENCE|PORT_MIDI))) { + const uint32_t buf_index = out_map.get( + DataType::MIDI, midi_out_index++, &valid); + if (valid) { + bufs.forward_lv2_midi(_ev_buffers[port_index], buf_index); + } + } + // Flush MIDI (write back to Ardour MIDI buffers) -- MIDI THRU + else if ((flags & PORT_OUTPUT) && (flags & (PORT_EVENT|PORT_SEQUENCE))) { const uint32_t buf_index = out_map.get( DataType::MIDI, midi_out_index++, &valid); if (valid) { @@ -1306,7 +1727,7 @@ LV2Plugin::connect_and_run(BufferSet& bufs, } // Write messages to UI - if (_to_ui && (flags & PORT_OUTPUT) && (flags & PORT_MESSAGE)) { + if (_to_ui && (flags & PORT_OUTPUT) && (flags & (PORT_EVENT|PORT_SEQUENCE))) { LV2_Evbuf* buf = _ev_buffers[port_index]; for (LV2_Evbuf_Iterator i = lv2_evbuf_begin(buf); lv2_evbuf_is_valid(i); @@ -1314,7 +1735,7 @@ LV2Plugin::connect_and_run(BufferSet& bufs, uint32_t frames, subframes, type, size; uint8_t* data; lv2_evbuf_get(i, &frames, &subframes, &type, &size, &data); - write_to_ui(port_index, _event_transfer_type, + write_to_ui(port_index, urids.atom_eventTransfer, size + sizeof(LV2_Atom), data - sizeof(LV2_Atom)); } @@ -1324,6 +1745,10 @@ LV2Plugin::connect_and_run(BufferSet& bufs, cycles_t now = get_cycles(); set_cycles((uint32_t)(now - then)); + // Update expected transport information for next cycle so we can detect changes + _next_cycle_speed = _session.transport_speed(); + _next_cycle_start = _session.transport_frame() + (nframes * _next_cycle_speed); + return 0; } @@ -1462,10 +1887,10 @@ LV2Plugin::latency_compute_run() deactivate(); } -LilvPort* +const LilvPort* LV2Plugin::Impl::designated_input (const char* uri, void** bufptrs[], void** bufptr) { - LilvPort* port = NULL; + const LilvPort* port = NULL; LilvNode* designation = lilv_new_uri(_world.world, uri); port = lilv_plugin_get_port_by_designation( plugin, _world.lv2_InputPort, designation); @@ -1476,28 +1901,44 @@ LV2Plugin::Impl::designated_input (const char* uri, void** bufptrs[], void** buf return port; } +static bool lv2_filter (const string& str, void *arg) +{ + /* Not a dotfile, has a prefix before a period, suffix is "lv2" */ + + return str[0] != '.' && (str.length() > 3 && str.find (".lv2") == (str.length() - 4)); +} + + LV2World::LV2World() : world(lilv_world_new()) + , _bundle_checked(false) { lilv_world_load_all(world); + atom_AtomPort = lilv_new_uri(world, LV2_ATOM__AtomPort); atom_Chunk = lilv_new_uri(world, LV2_ATOM__Chunk); atom_Sequence = lilv_new_uri(world, LV2_ATOM__Sequence); atom_bufferType = lilv_new_uri(world, LV2_ATOM__bufferType); + atom_supports = lilv_new_uri(world, LV2_ATOM__supports); atom_eventTransfer = lilv_new_uri(world, LV2_ATOM__eventTransfer); ev_EventPort = lilv_new_uri(world, LILV_URI_EVENT_PORT); ext_logarithmic = lilv_new_uri(world, LV2_PORT_PROPS__logarithmic); + ext_notOnGUI = lilv_new_uri(world, LV2_PORT_PROPS__notOnGUI); lv2_AudioPort = lilv_new_uri(world, LILV_URI_AUDIO_PORT); lv2_ControlPort = lilv_new_uri(world, LILV_URI_CONTROL_PORT); lv2_InputPort = lilv_new_uri(world, LILV_URI_INPUT_PORT); lv2_OutputPort = lilv_new_uri(world, LILV_URI_OUTPUT_PORT); lv2_inPlaceBroken = lilv_new_uri(world, LV2_CORE__inPlaceBroken); lv2_integer = lilv_new_uri(world, LV2_CORE__integer); + lv2_reportsLatency = lilv_new_uri(world, LV2_CORE__reportsLatency); lv2_sampleRate = lilv_new_uri(world, LV2_CORE__sampleRate); lv2_toggled = lilv_new_uri(world, LV2_CORE__toggled); lv2_enumeration = lilv_new_uri(world, LV2_CORE__enumeration); + lv2_freewheeling = lilv_new_uri(world, LV2_CORE__freeWheeling); midi_MidiEvent = lilv_new_uri(world, LILV_URI_MIDI_EVENT); rdfs_comment = lilv_new_uri(world, LILV_NS_RDFS "comment"); + rsz_minimumSize = lilv_new_uri(world, LV2_RESIZE_PORT__minimumSize); + time_Position = lilv_new_uri(world, LV2_TIME__Position); ui_GtkUI = lilv_new_uri(world, LV2_UI__GtkUI); ui_external = lilv_new_uri(world, "http://lv2plug.in/ns/extensions/ui#external"); } @@ -1506,17 +1947,25 @@ LV2World::~LV2World() { lilv_node_free(ui_external); lilv_node_free(ui_GtkUI); + lilv_node_free(time_Position); + lilv_node_free(rsz_minimumSize); + lilv_node_free(rdfs_comment); lilv_node_free(midi_MidiEvent); + lilv_node_free(lv2_enumeration); + lilv_node_free(lv2_freewheeling); lilv_node_free(lv2_toggled); lilv_node_free(lv2_sampleRate); + lilv_node_free(lv2_reportsLatency); lilv_node_free(lv2_integer); lilv_node_free(lv2_inPlaceBroken); lilv_node_free(lv2_OutputPort); lilv_node_free(lv2_InputPort); lilv_node_free(lv2_ControlPort); lilv_node_free(lv2_AudioPort); + lilv_node_free(ext_notOnGUI); lilv_node_free(ext_logarithmic); lilv_node_free(ev_EventPort); + lilv_node_free(atom_supports); lilv_node_free(atom_eventTransfer); lilv_node_free(atom_bufferType); lilv_node_free(atom_Sequence); @@ -1524,7 +1973,32 @@ LV2World::~LV2World() lilv_node_free(atom_AtomPort); } -LV2PluginInfo::LV2PluginInfo (void* c_plugin) +void +LV2World::load_bundled_plugins() +{ + if (!_bundle_checked) { + cout << "Scanning folders for bundled LV2s: " << ARDOUR::lv2_bundled_search_path().to_string() << endl; + PathScanner scanner; + vector *plugin_objects = scanner (ARDOUR::lv2_bundled_search_path().to_string(), lv2_filter, 0, true, true); + if (plugin_objects) { + for ( vector::iterator x = plugin_objects->begin(); x != plugin_objects->end (); ++x) { +#ifdef WINDOWS + string uri = "file:///" + **x + "/"; +#else + string uri = "file://" + **x + "/"; +#endif + LilvNode *node = lilv_new_uri(world, uri.c_str()); + lilv_world_load_bundle(world, node); + lilv_node_free(node); + } + } + delete (plugin_objects); + + _bundle_checked = true; + } +} + +LV2PluginInfo::LV2PluginInfo (const void* c_plugin) : _c_plugin(c_plugin) { type = ARDOUR::LV2; @@ -1540,7 +2014,7 @@ LV2PluginInfo::load(Session& session) PluginPtr plugin; plugin.reset(new LV2Plugin(session.engine(), session, - (LilvPlugin*)_c_plugin, + (const LilvPlugin*)_c_plugin, session.frame_rate())); plugin->set_info(PluginInfoPtr(new LV2PluginInfo(*this))); @@ -1555,18 +2029,22 @@ LV2PluginInfo::load(Session& session) PluginInfoList* LV2PluginInfo::discover() { + _world.load_bundled_plugins(); + PluginInfoList* plugs = new PluginInfoList; const LilvPlugins* plugins = lilv_world_get_all_plugins(_world.world); - cerr << "LV2: Discovering " << lilv_plugins_size(plugins) << " plugins" << endl; + info << "LV2: Discovering " << lilv_plugins_size(plugins) << " plugins" << endmsg; LILV_FOREACH(plugins, i, plugins) { const LilvPlugin* p = lilv_plugins_get(plugins, i); - LV2PluginInfoPtr info(new LV2PluginInfo((void*)p)); + LV2PluginInfoPtr info(new LV2PluginInfo((const void*)p)); LilvNode* name = lilv_plugin_get_name(p); - if (!name) { - cerr << "LV2: invalid plugin\n"; + if (!name || !lilv_plugin_get_port_by_index(p, 0)) { + warning << "Ignoring invalid LV2 plugin " + << lilv_node_as_string(lilv_plugin_get_uri(p)) + << endmsg; continue; } @@ -1585,14 +2063,42 @@ LV2PluginInfo::discover() info->path = "/NOPATH"; // Meaningless for LV2 + /* count atom-event-ports that feature + * atom:supports + * + * TODO: nicely ask drobilla to make a lilv_ call for that + */ + int count_midi_out = 0; + int count_midi_in = 0; + for (uint32_t i = 0; i < lilv_plugin_get_num_ports(p); ++i) { + const LilvPort* port = lilv_plugin_get_port_by_index(p, i); + if (lilv_port_is_a(p, port, _world.atom_AtomPort)) { + LilvNodes* buffer_types = lilv_port_get_value( + p, port, _world.atom_bufferType); + LilvNodes* atom_supports = lilv_port_get_value( + p, port, _world.atom_supports); + + if (lilv_nodes_contains(buffer_types, _world.atom_Sequence) + && lilv_nodes_contains(atom_supports, _world.midi_MidiEvent)) { + if (lilv_port_is_a(p, port, _world.lv2_InputPort)) { + count_midi_in++; + } + if (lilv_port_is_a(p, port, _world.lv2_OutputPort)) { + count_midi_out++; + } + } + lilv_nodes_free(buffer_types); + lilv_nodes_free(atom_supports); + } + } + info->n_inputs.set_audio( lilv_plugin_get_num_ports_of_class( p, _world.lv2_InputPort, _world.lv2_AudioPort, NULL)); info->n_inputs.set_midi( lilv_plugin_get_num_ports_of_class( p, _world.lv2_InputPort, _world.ev_EventPort, NULL) - + lilv_plugin_get_num_ports_of_class( - p, _world.lv2_InputPort, _world.atom_AtomPort, NULL)); + + count_midi_in); info->n_outputs.set_audio( lilv_plugin_get_num_ports_of_class( @@ -1600,8 +2106,7 @@ LV2PluginInfo::discover() info->n_outputs.set_midi( lilv_plugin_get_num_ports_of_class( p, _world.lv2_OutputPort, _world.ev_EventPort, NULL) - + lilv_plugin_get_num_ports_of_class( - p, _world.lv2_OutputPort, _world.atom_AtomPort, NULL)); + + count_midi_out); info->unique_id = lilv_node_as_uri(lilv_plugin_get_uri(p)); info->index = 0; // Meaningless for LV2 @@ -1609,7 +2114,5 @@ LV2PluginInfo::discover() plugs->push_back(info); } - cerr << "Done LV2 discovery" << endl; - return plugs; }