X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Flv2_plugin.cc;h=29af02c696221e5b2150ba0a1f2658549d792bc2;hb=8388e82fd39fc8babf09a5ff6a968f073ddf4a7c;hp=210aa04de04029b2febdbca2b2b6d61eb37e157e;hpb=6f23443c26936d5f6224a36b9d2a6257367e42eb;p=ardour.git diff --git a/libs/ardour/lv2_plugin.cc b/libs/ardour/lv2_plugin.cc index 210aa04de0..29af02c696 100644 --- a/libs/ardour/lv2_plugin.cc +++ b/libs/ardour/lv2_plugin.cc @@ -1,5 +1,5 @@ /* - Copyright (C) 2008-2011 Paul Davis + Copyright (C) 2008-2012 Paul Davis Author: David Robillard This program is free software; you can redistribute it and/or modify @@ -19,58 +19,90 @@ #include #include +#include #include #include #include -#include #include +#include +#include #include #include "pbd/compose.h" #include "pbd/error.h" -#include "pbd/pathscanner.h" -#include "pbd/stl_delete.h" #include "pbd/xml++.h" #include "libardour-config.h" -#include "ardour/ardour.h" #include "ardour/audio_buffer.h" #include "ardour/audioengine.h" #include "ardour/debug.h" -#include "ardour/lv2_event_buffer.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 "i18n.h" #include #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 "rdff.h" +#include "lv2/lv2plug.in/ns/ext/time/time.h" +#include "lv2/lv2plug.in/ns/ext/worker/worker.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" + #ifdef HAVE_SUIL #include #endif -#define NS_DC "http://dublincore.org/documents/dcmi-namespace/" -#define NS_OLDPSET "http://lv2plug.in/ns/dev/presets#" -#define NS_PSET "http://lv2plug.in/ns/ext/presets#" -#define NS_UI "http://lv2plug.in/ns/extensions/ui#" +/** 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 = _uri_map.uri_to_id( - "http://lv2plug.in/ns/ext/event", - "http://lv2plug.in/ns/ext/midi#MidiEvent"); -uint32_t LV2Plugin::_state_path_type = _uri_map.uri_to_id( - NULL, LV2_STATE_PATH_URI); + +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: @@ -78,56 +110,144 @@ public: ~LV2World (); LilvWorld* world; - LilvNode* input_class; ///< Input port - LilvNode* output_class; ///< Output port - LilvNode* audio_class; ///< Audio port - LilvNode* control_class; ///< Control port - LilvNode* event_class; ///< Event port - LilvNode* midi_class; ///< MIDI event - LilvNode* in_place_broken; - LilvNode* integer; - LilvNode* toggled; - LilvNode* srate; - LilvNode* gtk_gui; - LilvNode* external_gui; - LilvNode* logarithmic; + + LilvNode* atom_AtomPort; + LilvNode* atom_Chunk; + LilvNode* atom_Sequence; + LilvNode* atom_bufferType; + LilvNode* atom_eventTransfer; + LilvNode* atom_supports; + LilvNode* ev_EventPort; + LilvNode* ext_logarithmic; + LilvNode* lv2_AudioPort; + LilvNode* lv2_ControlPort; + LilvNode* lv2_InputPort; + LilvNode* lv2_OutputPort; + LilvNode* lv2_enumeration; + LilvNode* lv2_inPlaceBroken; + LilvNode* lv2_integer; + LilvNode* lv2_sampleRate; + LilvNode* lv2_toggled; + LilvNode* midi_MidiEvent; + LilvNode* rdfs_comment; + LilvNode* time_Position; + LilvNode* ui_GtkUI; + LilvNode* ui_external; }; 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, + uint32_t size, + const void* data) +{ + LV2Plugin* plugin = (LV2Plugin*)handle; + if (plugin->session().engine().freewheeling()) { + // Freewheeling, do the work immediately in this (audio) thread + return (LV2_Worker_Status)plugin->work(size, data); + } else { + // Enqueue message for the worker thread + return plugin->worker()->schedule(size, data) ? + LV2_WORKER_SUCCESS : LV2_WORKER_ERR_UNKNOWN; + } +} + +/** Called by the plugin to respond to non-RT work. */ +static LV2_Worker_Status +work_respond(LV2_Worker_Respond_Handle handle, + uint32_t size, + const void* data) +{ + LV2Plugin* plugin = (LV2Plugin*)handle; + if (plugin->session().engine().freewheeling()) { + // Freewheeling, respond immediately in this (audio) thread + return (LV2_Worker_Status)plugin->work_response(size, data); + } else { + // Enqueue response for the worker + return plugin->worker()->respond(size, data) ? + LV2_WORKER_SUCCESS : LV2_WORKER_ERR_UNKNOWN; + } +} + +/* 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) -#ifdef HAVE_NEW_LILV + , work_iface(0) , state(0) -#endif {} - LilvPlugin* plugin; - const LilvUI* ui; - const LilvNode* ui_type; - LilvNode* name; - LilvNode* author; - LilvInstance* instance; -#ifdef HAVE_NEW_LILV - LilvState* state; -#endif + + /** Find the LV2 input port with the given designation. + * If found, bufptrs[port_index] will be set to bufptr. + */ + 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) + : Plugin (engine, session) + , Workee () , _impl(new Impl()) , _features(NULL) + , _worker(NULL) , _insert_id("0") { init(c_plugin, rate); } LV2Plugin::LV2Plugin (const LV2Plugin& other) - : Plugin(other) + : Plugin (other) + , Workee () , _impl(new Impl()) , _features(NULL) + , _worker(NULL) , _insert_id(other._insert_id) { init(other._impl->plugin, other._sample_rate); @@ -139,28 +259,42 @@ 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->ui = NULL; - _impl->ui_type = NULL; - _control_data = 0; - _shadow_data = 0; - _latency_control_port = 0; - _state_version = 0; - _was_activated = false; - _has_state_interface = false; - + _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; + _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_MAKE_PATH_URI; + _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; -#ifdef HAVE_NEW_LILV - LilvNode* state_iface_uri = lilv_new_uri(_world.world, LV2_STATE_INTERFACE_URI); + LilvNode* state_iface_uri = lilv_new_uri(_world.world, LV2_STATE__interface); LilvNode* state_uri = lilv_new_uri(_world.world, LV2_STATE_URI); _has_state_interface = // What plugins should have (lv2:extensionData state:Interface) @@ -169,16 +303,39 @@ LV2Plugin::init(void* c_plugin, framecnt_t rate) || lilv_plugin_has_feature(plugin, state_uri); lilv_node_free(state_uri); lilv_node_free(state_iface_uri); -#endif - _features = (LV2_Feature**)malloc(sizeof(LV2_Feature*) * 7); + _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[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)); @@ -186,6 +343,25 @@ 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)); + 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[n_features++] = &_work_schedule_feature; + } + lilv_node_free(worker_schedule); + _impl->instance = lilv_plugin_instantiate(plugin, rate, _features); _impl->name = lilv_plugin_get_name(plugin); _impl->author = lilv_plugin_get_author_name(plugin); @@ -199,7 +375,14 @@ 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; - if (lilv_plugin_has_feature(plugin, _world.in_place_broken)) { + 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( _("LV2: \"%1\" cannot be used, since it cannot do inplace processing"), lilv_node_as_string(_impl->name)) << endmsg; @@ -208,27 +391,85 @@ LV2Plugin::init(void* c_plugin, framecnt_t rate) throw failed_constructor(); } - _sample_rate = rate; +#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 - const uint32_t num_ports = this->num_ports(); + _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); - _port_is_control.push_back(lilv_port_is_a(_impl->plugin, port, _world.control_class)); - _port_is_audio.push_back(lilv_port_is_a(_impl->plugin, port, _world.audio_class)); - _port_is_midi.push_back(lilv_port_is_a(_impl->plugin, port, _world.event_class)); - _port_is_output.push_back(lilv_port_is_a(_impl->plugin, port, _world.output_class)); - _port_is_input.push_back(lilv_port_is_a(_impl->plugin, port, _world.input_class)); - } - - const bool latent = lilv_plugin_has_latency(plugin); - const uint32_t latency_port = (latent) - ? lilv_plugin_get_latency_port_index(plugin) - : 0; + const LilvPort* port = lilv_plugin_get_port_by_index(_impl->plugin, i); + PortFlags flags = 0; + + if (lilv_port_is_a(_impl->plugin, port, _world.lv2_OutputPort)) { + flags |= PORT_OUTPUT; + } else if (lilv_port_is_a(_impl->plugin, port, _world.lv2_InputPort)) { + flags |= PORT_INPUT; + } else { + error << string_compose( + "LV2: \"%1\" port %2 is neither input nor output", + lilv_node_as_string(_impl->name), i) << endmsg; + throw failed_constructor(); + } + + if (lilv_port_is_a(_impl->plugin, port, _world.lv2_ControlPort)) { + flags |= PORT_CONTROL; + } else if (lilv_port_is_a(_impl->plugin, port, _world.lv2_AudioPort)) { + 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); + 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; + } + } + lilv_nodes_free(buffer_types); + lilv_nodes_free(atom_supports); + } else { + error << string_compose( + "LV2: \"%1\" port %2 has no known data type", + lilv_node_as_string(_impl->name), i) << endmsg; + throw failed_constructor(); + } + + _port_flags.push_back(flags); + } _control_data = new float[num_ports]; _shadow_data = new float[num_ports]; _defaults = new float[num_ports]; + _ev_buffers = new LV2_Evbuf*[num_ports]; + memset(_ev_buffers, 0, sizeof(LV2_Evbuf*) * num_ports); + + const bool latent = lilv_plugin_has_latency(plugin); + const uint32_t latency_index = (latent) + ? lilv_plugin_get_latency_port_index(plugin) + : 0; + + // Build an array of pointers to special parameter buffers + void*** params = new void**[num_ports]; + for (uint32_t i = 0; i < num_ports; ++i) { + params[i] = NULL; + } + _impl->designated_input (LV2_TIME__beatsPerMinute, params, (void**)&_bpm_control_port); + _impl->designated_input (LV2_CORE__freeWheeling, params, (void**)&_freewheel_control_port); for (uint32_t i = 0; i < num_ports; ++i) { const LilvPort* port = lilv_plugin_get_port_by_index(plugin, i); @@ -242,26 +483,31 @@ LV2Plugin::init(void* c_plugin, framecnt_t rate) LilvNode* def; lilv_port_get_range(plugin, port, &def, NULL, NULL); _defaults[i] = def ? lilv_node_as_float(def) : 0.0f; - if (lilv_port_has_property (plugin, port, _world.srate)) { + if (lilv_port_has_property (plugin, port, _world.lv2_sampleRate)) { _defaults[i] *= _session.frame_rate (); } lilv_node_free(def); lilv_instance_connect_port(_impl->instance, i, &_control_data[i]); - if (latent && ( i == latency_port) ) { + if (latent && i == latency_index) { _latency_control_port = &_control_data[i]; *_latency_control_port = 0; } if (parameter_is_input(i)) { _shadow_data[i] = default_value(i); + if (params[i]) { + *params[i] = (void*)&_shadow_data[i]; + } } } else { _defaults[i] = 0.0f; } } + delete[] params; + LilvUIs* uis = lilv_plugin_get_uis(plugin); if (lilv_uis_size(uis) > 0) { #ifdef HAVE_SUIL @@ -271,7 +517,7 @@ LV2Plugin::init(void* c_plugin, framecnt_t rate) const LilvNode* this_ui_type = NULL; if (lilv_ui_is_supported(this_ui, suil_ui_supported, - _world.gtk_gui, + _world.ui_GtkUI, &this_ui_type)) { // TODO: Multiple UI support _impl->ui = this_ui; @@ -283,9 +529,9 @@ LV2Plugin::init(void* c_plugin, framecnt_t rate) // Look for Gtk native UI LILV_FOREACH(uis, i, uis) { const LilvUI* ui = lilv_uis_get(uis, i); - if (lilv_ui_is_a(ui, _world.gtk_gui)) { + if (lilv_ui_is_a(ui, _world.ui_GtkUI)) { _impl->ui = ui; - _impl->ui_type = _world.gtk_gui; + _impl->ui_type = _world.ui_GtkUI; break; } } @@ -295,15 +541,16 @@ LV2Plugin::init(void* c_plugin, framecnt_t rate) if (!_impl->ui) { LILV_FOREACH(uis, i, uis) { const LilvUI* ui = lilv_uis_get(uis, i); - if (lilv_ui_is_a(ui, _world.external_gui)) { + if (lilv_ui_is_a(ui, _world.ui_external)) { _impl->ui = ui; - _impl->ui_type = _world.external_gui; + _impl->ui_type = _world.ui_external; break; } } } } + allocate_atom_event_buffers(); latency_compute_run(); } @@ -318,8 +565,26 @@ LV2Plugin::~LV2Plugin () lilv_node_free(_impl->name); lilv_node_free(_impl->author); + free(_features); + free(_make_path_feature.data); + free(_work_schedule_feature.data); + + 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; + delete [] _ev_buffers; } bool @@ -328,7 +593,27 @@ LV2Plugin::is_external_ui() const if (!_impl->ui) { return false; } - return lilv_ui_is_a(_impl->ui, _world.external_gui); + return lilv_ui_is_a(_impl->ui, _world.ui_external); +} + +bool +LV2Plugin::ui_is_resizable () const +{ + const LilvNode* s = lilv_ui_get_uri(_impl->ui); + LilvNode* p = lilv_new_uri(_world.world, LV2_CORE__optionalFeature); + LilvNode* fs = lilv_new_uri(_world.world, LV2_UI__fixedSize); + LilvNode* nrs = lilv_new_uri(_world.world, LV2_UI__noUserResize); + + LilvNodes* fs_matches = lilv_world_find_nodes(_world.world, s, p, fs); + LilvNodes* nrs_matches = lilv_world_find_nodes(_world.world, s, p, nrs); + + lilv_nodes_free(nrs_matches); + lilv_nodes_free(fs_matches); + lilv_node_free(nrs); + lilv_node_free(fs); + lilv_node_free(p); + + return !fs_matches && !nrs_matches; } string @@ -391,6 +676,18 @@ LV2Plugin::port_symbol(uint32_t index) const return lilv_node_as_string(sym); } +uint32_t +LV2Plugin::port_index (const char* symbol) const +{ + const map::const_iterator i = _port_indices.find(symbol); + if (i != _port_indices.end()) { + return i->second; + } else { + warning << string_compose(_("LV2: Unknown port %1"), symbol) << endmsg; + return (uint32_t)-1; + } +} + void LV2Plugin::set_parameter(uint32_t which, float val) { @@ -398,6 +695,10 @@ 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( @@ -420,6 +721,36 @@ LV2Plugin::get_parameter(uint32_t which) const return 0.0f; } +std::string +LV2Plugin::get_docs() const +{ + LilvNodes* comments = lilv_plugin_get_value(_impl->plugin, _world.rdfs_comment); + if (comments) { + const std::string docs(lilv_node_as_string(lilv_nodes_get_first(comments))); + lilv_nodes_free(comments); + return docs; + } + + return ""; +} + +std::string +LV2Plugin::get_parameter_docs(uint32_t which) const +{ + LilvNodes* comments = lilv_port_get_value( + _impl->plugin, + lilv_plugin_get_port_by_index(_impl->plugin, which), + _world.rdfs_comment); + + if (comments) { + const std::string docs(lilv_node_as_string(lilv_nodes_get_first(comments))); + lilv_nodes_free(comments); + return docs; + } + + return ""; +} + uint32_t LV2Plugin::nth_parameter(uint32_t n, bool& ok) const { @@ -437,27 +768,27 @@ 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. */ @@ -510,9 +841,6 @@ 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()); } @@ -557,14 +885,10 @@ LV2Plugin::add_state(XMLNode* root) const } if (_has_state_interface) { - cout << "LV2 " << name() << " has state interface" << endl; -#ifdef HAVE_NEW_LILV // 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, @@ -574,40 +898,29 @@ LV2Plugin::add_state(XMLNode* root) const _session.externals_dir().c_str(), new_dir.c_str(), NULL, - (void*)this, + const_cast(this), 0, NULL); if (!_impl->state || !lilv_state_equals(state, _impl->state)) { lilv_state_save(_world.world, + _uri_map.urid_map(), _uri_map.urid_unmap(), state, NULL, new_dir.c_str(), - "state.ttl", - NULL); + "state.ttl"); 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 /* !HAVE_NEW_LILV */ - warning << string_compose( - _("Plugin \"%1\" has state, but Lilv is too old to save it"), - unique_id()) << endmsg; -#endif /* HAVE_NEW_LILV */ - } else { - cout << "LV2 " << name() << " has no state interface." << endl; } } @@ -618,96 +931,147 @@ get_value(LilvWorld* world, const LilvNode* subject, const LilvNode* predicate) return vs ? lilv_nodes_get_first(vs) : NULL; } -static void -find_presets_helper(LilvWorld* world, - LilvPlugin* plugin, - std::map& out, - LilvNode* preset_pred, - LilvNode* title_pred) +void +LV2Plugin::find_presets() { - LilvNodes* presets = lilv_plugin_get_value(plugin, preset_pred); + LilvNode* lv2_appliesTo = lilv_new_uri(_world.world, LV2_CORE__appliesTo); + LilvNode* pset_Preset = lilv_new_uri(_world.world, LV2_PRESETS__Preset); + LilvNode* rdfs_label = lilv_new_uri(_world.world, LILV_NS_RDFS "label"); + + LilvNodes* presets = lilv_plugin_get_related(_impl->plugin, pset_Preset); LILV_FOREACH(nodes, i, presets) { const LilvNode* preset = lilv_nodes_get(presets, i); - const LilvNode* name = get_value(world, preset, title_pred); + lilv_world_load_resource(_world.world, preset); + const LilvNode* name = get_value(_world.world, preset, rdfs_label); if (name) { - out.insert(std::make_pair(lilv_node_as_string(preset), - Plugin::PresetRecord( - lilv_node_as_string(preset), - lilv_node_as_string(name)))); + _presets.insert(std::make_pair(lilv_node_as_string(preset), + Plugin::PresetRecord( + lilv_node_as_string(preset), + lilv_node_as_string(name)))); } else { warning << string_compose( _("Plugin \"%1\% preset \"%2%\" is missing a label\n"), - lilv_node_as_string(lilv_plugin_get_uri(plugin)), + lilv_node_as_string(lilv_plugin_get_uri(_impl->plugin)), lilv_node_as_string(preset)) << endmsg; } } lilv_nodes_free(presets); + + lilv_node_free(rdfs_label); + lilv_node_free(pset_Preset); + lilv_node_free(lv2_appliesTo); } -void -LV2Plugin::find_presets() +static void +set_port_value(const char* port_symbol, + void* user_data, + const void* value, + uint32_t /*size*/, + uint32_t type) { - LilvNode* dc_title = lilv_new_uri(_world.world, NS_DC "title"); - LilvNode* oldpset_hasPreset = lilv_new_uri(_world.world, NS_OLDPSET "hasPreset"); - LilvNode* pset_hasPreset = lilv_new_uri(_world.world, NS_PSET "hasPreset"); - LilvNode* rdfs_label = lilv_new_uri(_world.world, LILV_NS_RDFS "label"); - - find_presets_helper(_world.world, _impl->plugin, _presets, - oldpset_hasPreset, dc_title); - - find_presets_helper(_world.world, _impl->plugin, _presets, - pset_hasPreset, rdfs_label); + LV2Plugin* self = (LV2Plugin*)user_data; + if (type != 0 && type != self->_uri_map.uri_to_id(LV2_ATOM__Float)) { + return; // TODO: Support non-float ports + } - lilv_node_free(rdfs_label); - lilv_node_free(pset_hasPreset); - lilv_node_free(oldpset_hasPreset); - lilv_node_free(dc_title); + 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); - - 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* oldpset_value = lilv_new_uri(_world.world, NS_OLDPSET "value"); - LilvNode* preset = lilv_new_uri(_world.world, r.uri.c_str()); - LilvNode* pset_value = lilv_new_uri(_world.world, NS_PSET "value"); - - 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) { - value = get_value(_world.world, port, oldpset_value); - } - if (value && lilv_node_is_float(value)) { - set_parameter(_port_indices[lilv_node_as_string(symbol)], - lilv_node_as_float(value)); - } + 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); + + if (state) { + lilv_state_restore(state, _impl->instance, set_port_value, this, 0, NULL); + lilv_state_free(state); } - lilv_nodes_free(ports); - lilv_node_free(pset_value); - lilv_node_free(preset); - lilv_node_free(oldpset_value); - lilv_node_free(lv2_symbol); - lilv_node_free(lv2_port); + lilv_node_free(pset); + return state; +} - return true; +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; + } + } + + *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 @@ -715,6 +1079,117 @@ LV2Plugin::has_editor() const return _impl->ui != NULL; } +bool +LV2Plugin::has_message_output() const +{ + for (uint32_t i = 0; i < num_ports(); ++i) { + if ((_port_flags[i] & PORT_SEQUENCE) && + (_port_flags[i] & PORT_OUTPUT)) { + return true; + } + } + return false; +} + +bool +LV2Plugin::write_to(RingBuffer* dest, + uint32_t index, + uint32_t protocol, + uint32_t size, + const uint8_t* body) +{ + const uint32_t buf_size = sizeof(UIMessage) + size; + uint8_t buf[buf_size]; + + UIMessage* msg = (UIMessage*)buf; + msg->index = index; + msg->protocol = protocol; + msg->size = size; + memcpy(msg + 1, body, size); + + return (dest->write(buf, buf_size) == buf_size); +} + +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( + _session.engine().raw_buffer_size(DataType::MIDI) * NBUFS); + } + + if (!write_to(_from_ui, index, protocol, size, body)) { + error << "Error writing from UI to plugin" << endmsg; + return false; + } + return true; +} + +bool +LV2Plugin::write_to_ui(uint32_t index, + uint32_t protocol, + uint32_t size, + const uint8_t* 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( + _session.engine().raw_buffer_size(DataType::MIDI) * NBUFS); + } +} + +void +LV2Plugin::emit_to_ui(void* controller, UIMessageSink sink) +{ + if (!_to_ui) { + return; + } + + uint32_t read_space = _to_ui->read_space(); + while (read_space > sizeof(UIMessage)) { + UIMessage msg; + if (_to_ui->read((uint8_t*)&msg, sizeof(msg)) != sizeof(msg)) { + error << "Error reading from Plugin=>UI RingBuffer" << endmsg; + break; + } + uint8_t body[msg.size]; + if (_to_ui->read(body, msg.size) != msg.size) { + error << "Error reading from Plugin=>UI RingBuffer" << endmsg; + break; + } + + sink(controller, msg.index, msg.size, msg.protocol, body); + + read_space -= sizeof(msg) + msg.size; + } +} + +int +LV2Plugin::work(uint32_t size, const void* data) +{ + return _impl->work_iface->work( + _impl->instance->lv2_handle, work_respond, this, size, data); +} + +int +LV2Plugin::work_response(uint32_t size, const void* data) +{ + return _impl->work_iface->work_response( + _impl->instance->lv2_handle, size, data); +} + void LV2Plugin::set_insert_info(const PluginInsert* insert) { @@ -774,7 +1249,6 @@ LV2Plugin::set_state(const XMLNode& node, int version) set_parameter(port_id, atof(value)); } -#ifdef HAVE_NEW_LILV _state_version = 0; if ((prop = node.property("state-dir")) != 0) { if (sscanf(prop->value().c_str(), "state%u", &_state_version) != 1) { @@ -787,13 +1261,11 @@ 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()); lilv_state_restore(state, _impl->instance, NULL, NULL, 0, NULL); } -#endif latency_compute_run(); @@ -808,10 +1280,10 @@ LV2Plugin::get_parameter_descriptor(uint32_t which, ParameterDescriptor& desc) c LilvNode *def, *min, *max; lilv_port_get_range(_impl->plugin, port, &def, &min, &max); - desc.integer_step = lilv_port_has_property(_impl->plugin, port, _world.integer); - desc.toggled = lilv_port_has_property(_impl->plugin, port, _world.toggled); - desc.logarithmic = lilv_port_has_property(_impl->plugin, port, _world.logarithmic); - desc.sr_dependent = lilv_port_has_property(_impl->plugin, port, _world.srate); + desc.integer_step = lilv_port_has_property(_impl->plugin, port, _world.lv2_integer); + desc.toggled = lilv_port_has_property(_impl->plugin, port, _world.lv2_toggled); + desc.logarithmic = lilv_port_has_property(_impl->plugin, port, _world.ext_logarithmic); + desc.sr_dependent = lilv_port_has_property(_impl->plugin, port, _world.lv2_sampleRate); desc.label = lilv_node_as_string(lilv_port_get_name(_impl->plugin, port)); desc.lower = min ? lilv_node_as_float(min) : 0.0f; desc.upper = max ? lilv_node_as_float(max) : 1.0f; @@ -834,6 +1306,8 @@ LV2Plugin::get_parameter_descriptor(uint32_t which, ParameterDescriptor& desc) c desc.largestep = delta / 10.0f; } + desc.enumeration = lilv_port_has_property(_impl->plugin, port, _world.lv2_enumeration); + lilv_node_free(def); lilv_node_free(min); lilv_node_free(max); @@ -912,6 +1386,95 @@ 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; + 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++; + } + } + 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(32768, 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, @@ -922,59 +1485,152 @@ 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(); + } + + if (_bpm_control_port) { + *_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) { - if (parameter_is_audio(port_index)) { - if (parameter_is_input(port_index)) { - const uint32_t buf_index = in_map.get(DataType::AUDIO, audio_in_index++, &valid); - lilv_instance_connect_port(_impl->instance, port_index, - valid ? bufs.get_audio(buf_index).data(offset) - : silent_bufs.get_audio(0).data(offset)); - } else if (parameter_is_output(port_index)) { - const uint32_t buf_index = out_map.get(DataType::AUDIO, audio_out_index++, &valid); - //cerr << port_index << " : " << " AUDIO OUT " << buf_index << endl; - lilv_instance_connect_port(_impl->instance, port_index, - valid ? bufs.get_audio(buf_index).data(offset) - : scratch_bufs.get_audio(0).data(offset)); + void* buf = NULL; + 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); + buf = (valid) + ? bufs.get_audio(index).data(offset) + : silent_bufs.get_audio(0).data(offset); + } else { + index = out_map.get(DataType::AUDIO, audio_out_index++, &valid); + buf = (valid) + ? bufs.get_audio(index).data(offset) + : scratch_bufs.get_audio(0).data(offset); } - } else if (parameter_is_midi(port_index)) { - /* FIXME: The checks here for bufs.count().n_midi() > buf_index shouldn't + } 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 (parameter_is_input(port_index)) { - const uint32_t buf_index = in_map.get(DataType::MIDI, midi_in_index++, &valid); - if (valid && bufs.count().n_midi() > buf_index) { - lilv_instance_connect_port(_impl->instance, port_index, - bufs.get_lv2_midi(true, buf_index).data()); + if (flags & PORT_MIDI) { + if (flags & PORT_INPUT) { + index = in_map.get(DataType::MIDI, midi_in_index++, &valid); } else { - lilv_instance_connect_port(_impl->instance, port_index, - silent_bufs.get_lv2_midi(true, 0).data()); + index = out_map.get(DataType::MIDI, midi_out_index++, &valid); } - } else if (parameter_is_output(port_index)) { - const uint32_t buf_index = out_map.get(DataType::MIDI, midi_out_index++, &valid); - if (valid && bufs.count().n_midi() > buf_index) { - lilv_instance_connect_port(_impl->instance, port_index, - bufs.get_lv2_midi(false, buf_index).data()); - } else { - lilv_instance_connect_port(_impl->instance, port_index, - scratch_bufs.get_lv2_midi(true, 0).data()); + if (valid && bufs.count().n_midi() > 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; } - } else if (!parameter_is_control(port_index)) { - // Optional port (it'd better be if we've made it this far...) - lilv_instance_connect_port(_impl->instance, port_index, NULL); + + 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 + LV2_Evbuf_Iterator i = lv2_evbuf_end(_ev_buffers[port_index]); + 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] = silent_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 + } + lilv_instance_connect_port(_impl->instance, port_index, buf); + } + + // Read messages from UI and push into appropriate buffers + if (_from_ui) { + uint32_t read_space = _from_ui->read_space(); + while (read_space > sizeof(UIMessage)) { + UIMessage msg; + if (_from_ui->read((uint8_t*)&msg, sizeof(msg)) != sizeof(msg)) { + error << "Error reading from UI=>Plugin RingBuffer" << endmsg; + break; + } + uint8_t body[msg.size]; + if (_from_ui->read(body, msg.size) != msg.size) { + error << "Error reading from UI=>Plugin RingBuffer" << endmsg; + break; + } + 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; + 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; + } + read_space -= sizeof(UIMessage) + msg.size; } } @@ -982,53 +1638,77 @@ LV2Plugin::connect_and_run(BufferSet& bufs, midi_out_index = 0; for (uint32_t port_index = 0; port_index < num_ports; ++port_index) { - if (parameter_is_midi(port_index) && parameter_is_output(port_index)) { - const uint32_t buf_index = out_map.get(DataType::MIDI, midi_out_index++, &valid); + PortFlags flags = _port_flags[port_index]; + bool valid = false; + + // Flush MIDI (write back to Ardour MIDI buffers) + 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) { bufs.flush_lv2_midi(true, buf_index); } } + + // Write messages to UI + 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); + i = lv2_evbuf_next(i)) { + uint32_t frames, subframes, type, size; + uint8_t* data; + lv2_evbuf_get(i, &frames, &subframes, &type, &size, &data); + write_to_ui(port_index, urids.atom_eventTransfer, + size + sizeof(LV2_Atom), + data - sizeof(LV2_Atom)); + } + } } 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; } bool LV2Plugin::parameter_is_control(uint32_t param) const { - assert(param < _port_is_control.size()); - return _port_is_control[param]; + assert(param < _port_flags.size()); + return _port_flags[param] & PORT_CONTROL; } bool LV2Plugin::parameter_is_audio(uint32_t param) const { - assert(param < _port_is_audio.size()); - return _port_is_audio[param]; + assert(param < _port_flags.size()); + return _port_flags[param] & PORT_AUDIO; } bool -LV2Plugin::parameter_is_midi(uint32_t param) const +LV2Plugin::parameter_is_event(uint32_t param) const { - assert(param < _port_is_midi.size()); - return _port_is_midi[param]; + assert(param < _port_flags.size()); + return _port_flags[param] & PORT_EVENT; } bool LV2Plugin::parameter_is_output(uint32_t param) const { - assert(param < _port_is_output.size()); - return _port_is_output[param]; + assert(param < _port_flags.size()); + return _port_flags[param] & PORT_OUTPUT; } bool LV2Plugin::parameter_is_input(uint32_t param) const { - assert(param < _port_is_input.size()); - return _port_is_input[param]; + assert(param < _port_flags.size()); + return _port_flags[param] & PORT_INPUT; } void @@ -1081,6 +1761,13 @@ LV2Plugin::run(pframes_t nframes) } lilv_instance_run(_impl->instance, nframes); + + if (_impl->work_iface) { + _worker->emit_responses(); + if (_impl->work_iface->end_run) { + _impl->work_iface->end_run(_impl->instance->lv2_handle); + } + } } void @@ -1124,37 +1811,71 @@ LV2Plugin::latency_compute_run() deactivate(); } +const LilvPort* +LV2Plugin::Impl::designated_input (const char* uri, void** bufptrs[], void** bufptr) +{ + const LilvPort* port = NULL; + LilvNode* designation = lilv_new_uri(_world.world, uri); + port = lilv_plugin_get_port_by_designation( + plugin, _world.lv2_InputPort, designation); + lilv_node_free(designation); + if (port) { + bufptrs[lilv_port_get_index(plugin, port)] = bufptr; + } + return port; +} + LV2World::LV2World() : world(lilv_world_new()) { lilv_world_load_all(world); - input_class = lilv_new_uri(world, LILV_URI_INPUT_PORT); - output_class = lilv_new_uri(world, LILV_URI_OUTPUT_PORT); - control_class = lilv_new_uri(world, LILV_URI_CONTROL_PORT); - audio_class = lilv_new_uri(world, LILV_URI_AUDIO_PORT); - event_class = lilv_new_uri(world, LILV_URI_EVENT_PORT); - midi_class = lilv_new_uri(world, LILV_URI_MIDI_EVENT); - in_place_broken = lilv_new_uri(world, LILV_NS_LV2 "inPlaceBroken"); - integer = lilv_new_uri(world, LILV_NS_LV2 "integer"); - toggled = lilv_new_uri(world, LILV_NS_LV2 "toggled"); - srate = lilv_new_uri(world, LILV_NS_LV2 "sampleRate"); - gtk_gui = lilv_new_uri(world, NS_UI "GtkUI"); - external_gui = lilv_new_uri(world, NS_UI "external"); - logarithmic = lilv_new_uri(world, "http://lv2plug.in/ns/dev/extportinfo#logarithmic"); + 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); + 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_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); + midi_MidiEvent = lilv_new_uri(world, LILV_URI_MIDI_EVENT); + rdfs_comment = lilv_new_uri(world, LILV_NS_RDFS "comment"); + 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"); } LV2World::~LV2World() { - lilv_node_free(input_class); - lilv_node_free(output_class); - lilv_node_free(control_class); - lilv_node_free(audio_class); - lilv_node_free(event_class); - lilv_node_free(midi_class); - lilv_node_free(in_place_broken); + lilv_node_free(ui_external); + lilv_node_free(ui_GtkUI); + lilv_node_free(midi_MidiEvent); + lilv_node_free(lv2_toggled); + lilv_node_free(lv2_sampleRate); + 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_logarithmic); + lilv_node_free(ev_EventPort); + lilv_node_free(atom_eventTransfer); + lilv_node_free(atom_bufferType); + lilv_node_free(atom_Sequence); + lilv_node_free(atom_Chunk); + lilv_node_free(atom_AtomPort); } -LV2PluginInfo::LV2PluginInfo (void* c_plugin) +LV2PluginInfo::LV2PluginInfo (const void* c_plugin) : _c_plugin(c_plugin) { type = ARDOUR::LV2; @@ -1170,7 +1891,7 @@ 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))); @@ -1188,15 +1909,17 @@ LV2PluginInfo::discover() 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; } @@ -1215,19 +1938,50 @@ 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.input_class, _world.audio_class, NULL)); + p, _world.lv2_InputPort, _world.lv2_AudioPort, NULL)); info->n_inputs.set_midi( lilv_plugin_get_num_ports_of_class( - p, _world.input_class, _world.event_class, NULL)); + p, _world.lv2_InputPort, _world.ev_EventPort, NULL) + + count_midi_in); info->n_outputs.set_audio( lilv_plugin_get_num_ports_of_class( - p, _world.output_class, _world.audio_class, NULL)); + p, _world.lv2_OutputPort, _world.lv2_AudioPort, NULL)); info->n_outputs.set_midi( lilv_plugin_get_num_ports_of_class( - p, _world.output_class, _world.event_class, NULL)); + p, _world.lv2_OutputPort, _world.ev_EventPort, NULL) + + count_midi_out); info->unique_id = lilv_node_as_uri(lilv_plugin_get_uri(p)); info->index = 0; // Meaningless for LV2 @@ -1235,7 +1989,5 @@ LV2PluginInfo::discover() plugs->push_back(info); } - cerr << "Done LV2 discovery" << endl; - return plugs; }