/*
- 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
#include "ardour/plugin.h"
#include "ardour/uri_map.h"
+#include "ardour/worker.h"
+#include "pbd/ringbuffer.h"
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;
-class LV2Plugin : public ARDOUR::Plugin
+class LV2Plugin : public ARDOUR::Plugin, public ARDOUR::Workee
{
public:
LV2Plugin (ARDOUR::AudioEngine& engine,
ARDOUR::Session& session,
- void* c_plugin,
+ const void* c_plugin,
framecnt_t sample_rate);
LV2Plugin (const LV2Plugin &);
~LV2Plugin ();
const char* name () const;
const char* maker () const;
- uint32_t num_ports () const;
- uint32_t parameter_count () const;
- float default_value (uint32_t port);
- framecnt_t signal_latency () const;
- void set_parameter (uint32_t port, float val);
- float get_parameter (uint32_t port) const;
- int get_parameter_descriptor (uint32_t which, ParameterDescriptor&) const;
- uint32_t nth_parameter (uint32_t port, bool& ok) const;
+ uint32_t num_ports () const;
+ uint32_t parameter_count () const;
+ float default_value (uint32_t port);
+ 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) const;
- void* c_plugin();
- void* c_ui();
- void* c_ui_type();
+ const void* c_plugin();
+ const void* c_ui();
+ const void* c_ui_type();
bool is_external_ui () const;
+ bool ui_is_resizable () const;
const char* port_symbol (uint32_t port) const;
+ uint32_t port_index (const char* symbol) const;
const LV2_Feature* const* features () { return _features; }
boost::shared_ptr<Plugin::ScalePoints>
get_scale_points(uint32_t port_index) const;
- /// Return the URID of midi:MidiEvent
- static uint32_t midi_event_type (bool event_api) {
- return event_api ? _midi_event_type_ev : _midi_event_type;
- }
+ static uint32_t midi_event_type() { return _midi_event_type; }
void set_insert_info(const PluginInsert* insert);
std::string current_preset () const;
bool has_editor () const;
+ bool has_message_output () const;
+
+ uint32_t atom_eventTransfer() const;
+
+ void 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;
+
+ static uint32_t _midi_event_type;
+ static uint32_t _chunk_type;
+ static uint32_t _sequence_type;
+ static uint32_t _event_transfer_type;
+ static uint32_t _path_type;
+ static uint32_t _log_Error;
+ static uint32_t _log_Warning;
+ static uint32_t _log_Note;
private:
struct Impl;
Impl* _impl;
void* _module;
LV2_Feature** _features;
+ Worker* _worker;
framecnt_t _sample_rate;
float* _control_data;
float* _shadow_data;
float* _defaults;
- float* _latency_control_port;
+ 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
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,
PORT_OUTPUT = 1 << 1,
PORT_AUDIO = 1 << 2,
PORT_CONTROL = 1 << 3,
PORT_EVENT = 1 << 4,
- PORT_MESSAGE = 1 << 5
+ PORT_MESSAGE = 1 << 5,
+ PORT_ATOM = 1 << 6
} PortFlag;
typedef unsigned PortFlags;
std::vector<PortFlags> _port_flags;
std::map<std::string,uint32_t> _port_indices;
+ /// Message send to/from UI via ports
+ struct UIMessage {
+ uint32_t index;
+ uint32_t protocol;
+ uint32_t size;
+ };
+
+ void write_to_ui(uint32_t index,
+ uint32_t protocol,
+ uint32_t size,
+ const uint8_t* body);
+
+ void write_to(RingBuffer<uint8_t>* dest,
+ uint32_t index,
+ uint32_t protocol,
+ uint32_t size,
+ const uint8_t* body);
+
+ // 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;
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;
+
+ // Options passed to plugin
+ int32_t _block_length;
+ int32_t _seq_size;
mutable unsigned _state_version;
bool _was_activated;
bool _has_state_interface;
- static URIMap _uri_map;
- static uint32_t _midi_event_type_ev;
- static uint32_t _midi_event_type;
- static uint32_t _sequence_type;
- static uint32_t _state_path_type;
-
const std::string plugin_dir () const;
const std::string scratch_dir () const;
const std::string file_dir () const;
static char* lv2_state_make_path (void* host_data,
const char* path);
- void init (void* c_plugin, framecnt_t rate);
+ void init (const void* c_plugin, framecnt_t rate);
+ void allocate_atom_event_buffers ();
void run (pframes_t nsamples);
void latency_compute_run ();
class LV2PluginInfo : public PluginInfo {
public:
- LV2PluginInfo (void* c_plugin);
+ LV2PluginInfo (const void* c_plugin);
~LV2PluginInfo ();
static PluginInfoList* discover ();
PluginPtr load (Session& session);
- void* _c_plugin;
+ const void* _c_plugin;
};
typedef boost::shared_ptr<LV2PluginInfo> LV2PluginInfoPtr;