/*
- Copyright (C) 2008 Paul Davis
- Author: Dave Robillard
+ Copyright (C) 2008-2012 Paul Davis
+ Author: David Robillard
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
*/
#ifndef __ardour_lv2_plugin_h__
#define __ardour_lv2_plugin_h__
#include <set>
-#include <vector>
#include <string>
-#include <dlfcn.h>
-
-
-#include "pbd/stateful.h"
+#include <vector>
-#include <jack/types.h>
-#include <slv2/slv2.h>
#include "ardour/plugin.h"
#include "ardour/uri_map.h"
+#include "ardour/worker.h"
+#include "pbd/ringbuffer.h"
+
+typedef struct LV2_Evbuf_Impl LV2_Evbuf;
namespace ARDOUR {
+
+// a callback function for lilv_state_new_from_instance(). friend of LV2Plugin
+// so we can pass an LV2Plugin* in user_data and access its private members.
+const void* lv2plugin_get_port_value(const char* port_symbol,
+ void* user_data,
+ uint32_t* size,
+ uint32_t* type);
+
class AudioEngine;
class Session;
-struct LV2World;
-class LV2Plugin : public ARDOUR::Plugin
+class LV2Plugin : public ARDOUR::Plugin, public ARDOUR::Workee
{
public:
- LV2Plugin (ARDOUR::AudioEngine&, ARDOUR::Session&, ARDOUR::LV2World&, SLV2Plugin plugin, nframes_t sample_rate);
+ LV2Plugin (ARDOUR::AudioEngine& engine,
+ ARDOUR::Session& session,
+ const void* c_plugin,
+ framecnt_t sample_rate);
LV2Plugin (const LV2Plugin &);
~LV2Plugin ();
- /* Plugin interface */
+ std::string unique_id () const;
+ const char* uri () const;
+ const char* label () const;
+ const char* name () const;
+ const char* maker () const;
- std::string unique_id() const;
- const char* label() const { return slv2_value_as_string(_name); }
- const char* name() const { return slv2_value_as_string(_name); }
- const char* maker() const { return _author ? slv2_value_as_string(_author) : "Unknown"; }
- uint32_t parameter_count() const { return slv2_plugin_get_num_ports(_plugin); }
+ uint32_t num_ports () const;
+ uint32_t parameter_count () const;
float default_value (uint32_t port);
- nframes_t signal_latency() const;
+ framecnt_t signal_latency () const;
void set_parameter (uint32_t port, float val);
float get_parameter (uint32_t port) const;
+ std::string get_docs() const;
+ std::string get_parameter_docs(uint32_t which) const;
int get_parameter_descriptor (uint32_t which, ParameterDescriptor&) const;
uint32_t nth_parameter (uint32_t port, bool& ok) const;
- const void* extension_data(const char* uri) { return _instance->lv2_descriptor->extension_data(uri); }
-
- SLV2Plugin slv2_plugin() { return _plugin; }
- SLV2UI slv2_ui() { return _ui; }
- bool is_external_ui() const;
- SLV2Port slv2_port(uint32_t i) { return slv2_plugin_get_port_by_index(_plugin, i); }
+ const void* extension_data (const char* uri) const;
- const char* port_symbol(uint32_t port);
+ const void* c_plugin();
+ const void* c_ui();
+ const void* c_ui_type();
- const LV2_Feature* const* features() { return _features; }
+ bool is_external_ui () const;
+ bool ui_is_resizable () const;
- std::set<Evoral::Parameter> automatable() const;
+ const char* port_symbol (uint32_t port) const;
+ uint32_t port_index (const char* symbol) const;
- void activate () {
- if (!_was_activated) {
- slv2_instance_activate(_instance);
- _was_activated = true;
- }
- }
+ const LV2_Feature* const* features () { return _features; }
- void deactivate () {
- if (_was_activated) {
- slv2_instance_deactivate(_instance);
- _was_activated = false;
- }
- }
+ std::set<Evoral::Parameter> automatable () const;
- void cleanup () {
- activate();
- deactivate();
- slv2_instance_free(_instance);
- _instance = NULL;
- }
+ void activate ();
+ void deactivate ();
+ void cleanup ();
- void set_block_size (nframes_t /*nframes*/) {}
+ int set_block_size (pframes_t /*nframes*/) { return 0; }
int connect_and_run (BufferSet& bufs,
- ChanMapping in, ChanMapping out,
- nframes_t nframes, nframes_t offset);
+ ChanMapping in, ChanMapping out,
+ pframes_t nframes, framecnt_t offset);
std::string describe_parameter (Evoral::Parameter);
- std::string state_node_name() const { return "lv2"; }
- void print_parameter (uint32_t, char*, uint32_t len) const;
+ std::string state_node_name () const { return "lv2"; }
+
+ void print_parameter (uint32_t param,
+ char* buf,
+ uint32_t len) const;
+
+ bool parameter_is_audio (uint32_t) const;
+ bool parameter_is_control (uint32_t) const;
+ bool parameter_is_event (uint32_t) const;
+ bool parameter_is_input (uint32_t) const;
+ bool parameter_is_output (uint32_t) const;
+ bool parameter_is_toggled (uint32_t) const;
+
+ boost::shared_ptr<Plugin::ScalePoints>
+ get_scale_points(uint32_t port_index) const;
+
+ void set_insert_info(const PluginInsert* insert);
+
+ int set_state (const XMLNode& node, int version);
+ bool save_preset (std::string uri);
+ void remove_preset (std::string uri);
+ bool load_preset (PresetRecord);
+ std::string current_preset () const;
+
+ bool has_editor () const;
+ bool has_message_output () const;
+
+ bool write_from_ui(uint32_t index,
+ uint32_t protocol,
+ uint32_t size,
+ const uint8_t* body);
+
+ typedef void UIMessageSink(void* controller,
+ uint32_t index,
+ uint32_t size,
+ uint32_t format,
+ const void* buffer);
+
+ void enable_ui_emmission();
+ void emit_to_ui(void* controller, UIMessageSink sink);
+
+ Worker* worker() { return _worker; }
+
+ int work(uint32_t size, const void* data);
+ int work_response(uint32_t size, const void* data);
+
+ static URIMap _uri_map;
+
+ struct URIDs {
+ uint32_t atom_Chunk;
+ uint32_t atom_Path;
+ uint32_t atom_Sequence;
+ uint32_t atom_eventTransfer;
+ uint32_t log_Error;
+ uint32_t log_Note;
+ uint32_t log_Warning;
+ uint32_t midi_MidiEvent;
+ uint32_t time_Position;
+ uint32_t time_bar;
+ uint32_t time_barBeat;
+ uint32_t time_beatUnit;
+ uint32_t time_beatsPerBar;
+ uint32_t time_beatsPerMinute;
+ uint32_t time_frame;
+ uint32_t time_speed;
+ };
+
+ static URIDs urids;
- bool parameter_is_audio(uint32_t) const;
- bool parameter_is_control(uint32_t) const;
- bool parameter_is_midi(uint32_t) const;
- bool parameter_is_input(uint32_t) const;
- bool parameter_is_output(uint32_t) const;
- bool parameter_is_toggled(uint32_t) const;
+ private:
+ struct Impl;
+ Impl* _impl;
+ void* _module;
+ LV2_Feature** _features;
+ Worker* _worker;
+ framecnt_t _sample_rate;
+ float* _control_data;
+ float* _shadow_data;
+ float* _defaults;
+ LV2_Evbuf** _ev_buffers;
+ LV2_Evbuf** _atom_ev_buffers;
+ float* _bpm_control_port; ///< Special input set by ardour
+ float* _freewheel_control_port; ///< Special input set by ardour
+ float* _latency_control_port; ///< Special output set by ardour
+ framepos_t _next_cycle_start; ///< Expected start frame of next run cycle
+ double _next_cycle_speed; ///< Expected start frame of next run cycle
+ PBD::ID _insert_id;
+
+ friend const void* lv2plugin_get_port_value(const char* port_symbol,
+ void* user_data,
+ uint32_t* size,
+ uint32_t* type);
+
+ typedef enum {
+ PORT_INPUT = 1, ///< Input port
+ PORT_OUTPUT = 1 << 1, ///< Output port
+ PORT_AUDIO = 1 << 2, ///< Audio (buffer of float)
+ PORT_CONTROL = 1 << 3, ///< Control (single float)
+ PORT_EVENT = 1 << 4, ///< Old event API event port
+ PORT_SEQUENCE = 1 << 5, ///< New atom API event port
+ PORT_MIDI = 1 << 6, ///< Event port understands MIDI
+ PORT_POSITION = 1 << 7 ///< Event port understands position
+ } PortFlag;
+
+ typedef unsigned PortFlags;
+
+ std::vector<PortFlags> _port_flags;
+ std::vector<size_t> _port_minimumSize;
+ std::map<std::string,uint32_t> _port_indices;
- static uint32_t midi_event_type() { return _midi_event_type; }
+ /// Message send to/from UI via ports
+ struct UIMessage {
+ uint32_t index;
+ uint32_t protocol;
+ uint32_t size;
+ };
- XMLNode& get_state();
- int set_state(const XMLNode& node, int version);
- bool save_preset(std::string uri);
- bool load_preset(const std::string& uri);
- virtual std::vector<Plugin::PresetRecord> get_presets();
+ bool write_to_ui(uint32_t index,
+ uint32_t protocol,
+ uint32_t size,
+ const uint8_t* body);
- bool has_editor() const;
+ bool write_to(RingBuffer<uint8_t>* dest,
+ uint32_t index,
+ uint32_t protocol,
+ uint32_t size,
+ const uint8_t* body);
- private:
- void* _module;
- LV2World& _world;
- LV2_Feature** _features;
- SLV2Plugin _plugin;
- SLV2UI _ui;
- SLV2Value _name;
- SLV2Value _author;
- SLV2Instance _instance;
- nframes_t _sample_rate;
- float* _control_data;
- float* _shadow_data;
- float* _defaults;
- float* _latency_control_port;
- bool _was_activated;
- std::vector<bool> _port_is_input;
- std::map<std::string,uint32_t> _port_indices;
+ // Created on demand so the space is only consumed if necessary
+ RingBuffer<uint8_t>* _to_ui;
+ RingBuffer<uint8_t>* _from_ui;
+
+ typedef struct {
+ const void* (*extension_data) (const char* uri);
+ } LV2_DataAccess;
- typedef struct { const void* (*extension_data)(const char* uri); } LV2_DataAccess;
LV2_DataAccess _data_access_extension_data;
- LV2_Feature _data_access_feature;
- LV2_Feature _instance_access_feature;
+ LV2_Feature _data_access_feature;
+ LV2_Feature _instance_access_feature;
+ LV2_Feature _make_path_feature;
+ LV2_Feature _log_feature;
+ LV2_Feature _work_schedule_feature;
+ LV2_Feature _options_feature;
+ LV2_Feature _def_state_feature;
- static URIMap _uri_map;
- static uint32_t _midi_event_type;
+ // Options passed to plugin
+ int32_t _block_length;
+ int32_t _seq_size;
- void init (LV2World& world, SLV2Plugin plugin, nframes_t rate);
- void run (nframes_t nsamples);
- void latency_compute_run ();
-};
+ mutable unsigned _state_version;
+ bool _was_activated;
+ bool _has_state_interface;
-/** The SLV2World, and various cached (as symbols, fast) URIs.
- *
- * This object represents everything ardour 'knows' about LV2
- * (ie understood extensions/features/etc)
- */
-struct LV2World {
- LV2World();
- ~LV2World();
-
- SLV2World world;
- SLV2Value input_class; ///< Input port
- SLV2Value output_class; ///< Output port
- SLV2Value audio_class; ///< Audio port
- SLV2Value control_class; ///< Control port
- SLV2Value event_class; ///< Event port
- SLV2Value midi_class; ///< MIDI event
- SLV2Value in_place_broken;
- SLV2Value integer;
- SLV2Value toggled;
- SLV2Value srate;
- SLV2Value gtk_gui;
- SLV2Value external_gui;
- SLV2Value logarithmic;
+ const std::string plugin_dir () const;
+ const std::string scratch_dir () const;
+ const std::string file_dir () const;
+ const std::string state_dir (unsigned num) const;
+
+ static char* lv2_state_make_path (void* host_data,
+ const char* path);
+
+ void init (const void* c_plugin, framecnt_t rate);
+ void allocate_atom_event_buffers ();
+ void run (pframes_t nsamples);
+
+ void latency_compute_run ();
+ std::string do_save_preset (std::string);
+ void do_remove_preset (std::string);
+ void find_presets ();
+ void add_state (XMLNode *) const;
};
class LV2PluginInfo : public PluginInfo {
public:
- LV2PluginInfo (void* slv2_world, void* slv2_plugin);;
- ~LV2PluginInfo ();;
- static PluginInfoList* discover (void* slv2_world);
+ LV2PluginInfo (const void* c_plugin);
+ ~LV2PluginInfo ();
+
+ static PluginInfoList* discover ();
PluginPtr load (Session& session);
- void* _lv2_world;
- void* _slv2_plugin;
+ const void* _c_plugin;
};
typedef boost::shared_ptr<LV2PluginInfo> LV2PluginInfoPtr;
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