232 lines
6.3 KiB
C++
232 lines
6.3 KiB
C++
/*
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* Copyright (C) 2016-2019 Robin Gareus <robin@gareus.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/* print runtime and garbage-collection timing statistics */
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//#define WITH_LUAPROC_STATS
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/* memory allocation system, default: ReallocPool */
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//#define USE_TLSF // use TLSF instead of ReallocPool
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//#define USE_MALLOC // or plain OS provided realloc (no mlock) -- if USE_TLSF isn't defined
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#ifndef __ardour_luaproc_h__
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#define __ardour_luaproc_h__
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#include <set>
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#include <vector>
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#include <string>
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#define USE_TLSF
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#ifdef USE_TLSF
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# include "pbd/tlsf.h"
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#else
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# include "pbd/reallocpool.h"
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#endif
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#include "pbd/stateful.h"
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#include "ardour/types.h"
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#include "ardour/plugin.h"
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#include "ardour/luascripting.h"
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#include "ardour/dsp_filter.h"
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#include "ardour/lua_api.h"
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#include "lua/luastate.h"
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namespace luabridge {
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class LuaRef;
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}
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namespace ARDOUR {
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class LIBARDOUR_API LuaProc : public ARDOUR::Plugin {
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public:
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LuaProc (AudioEngine&, Session&, const std::string&);
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LuaProc (const LuaProc &);
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~LuaProc ();
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/* Plugin interface */
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std::string unique_id() const { return get_info()->unique_id; }
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const char* name() const { return get_info()->name.c_str(); }
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const char* label() const { return get_info()->name.c_str(); }
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const char* maker() const { return get_info()->creator.c_str(); }
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uint32_t parameter_count() const;
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float default_value (uint32_t port);
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void set_parameter (uint32_t port, float val, sampleoffset_t);
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float get_parameter (uint32_t port) const;
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int get_parameter_descriptor (uint32_t which, ParameterDescriptor&) const;
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uint32_t nth_parameter (uint32_t port, bool& ok) const;
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std::string get_docs () const { return _docs; }
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std::string get_parameter_docs (uint32_t) const;
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PluginOutputConfiguration possible_output () const { return _output_configs; }
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void drop_references ();
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std::set<Evoral::Parameter> automatable() const;
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void activate () { }
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void deactivate () { }
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void cleanup () { }
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int set_block_size (pframes_t /*nframes*/) { return 0; }
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bool connect_all_audio_outputs () const { return _connect_all_audio_outputs; }
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int connect_and_run (BufferSet& bufs,
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samplepos_t start, samplepos_t end, double speed,
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ChanMapping const& in, ChanMapping const& out,
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pframes_t nframes, samplecnt_t offset);
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std::string describe_parameter (Evoral::Parameter);
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boost::shared_ptr<ScalePoints> get_scale_points(uint32_t port_index) const;
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bool parameter_is_audio (uint32_t) const { return false; }
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bool parameter_is_control (uint32_t) const { return true; }
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bool parameter_is_input (uint32_t) const;
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bool parameter_is_output (uint32_t) const;
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uint32_t designated_bypass_port () {
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return _designated_bypass_port;
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}
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std::string state_node_name() const { return "luaproc"; }
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void add_state (XMLNode *) const;
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int set_state (const XMLNode&, int version);
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int set_script_from_state (const XMLNode&);
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bool load_preset (PresetRecord);
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std::string do_save_preset (std::string);
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void do_remove_preset (std::string);
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bool has_editor() const { return false; }
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bool match_variable_io (ChanCount& in, ChanCount& aux_in, ChanCount& out);
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bool reconfigure_io (ChanCount in, ChanCount aux_in, ChanCount out);
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ChanCount output_streams() const { return _configured_out; }
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ChanCount input_streams() const { return _configured_in; }
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bool has_inline_display () { return _lua_has_inline_display; }
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void setup_lua_inline_gui (LuaState *lua_gui);
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DSP::DspShm* instance_shm () { return &lshm; }
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LuaTableRef* instance_ref () { return &lref; }
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private:
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samplecnt_t plugin_latency() const { return _signal_latency; }
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void find_presets ();
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/* END Plugin interface */
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public:
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void set_origin (std::string& path) { _origin = path; }
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protected:
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const std::string& script() const { return _script; }
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const std::string& origin() const { return _origin; }
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private:
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#ifdef USE_TLSF
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PBD::TLSF _mempool;
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#else
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PBD::ReallocPool _mempool;
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#endif
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LuaState lua;
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luabridge::LuaRef * _lua_dsp;
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luabridge::LuaRef * _lua_latency;
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std::string _script;
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std::string _origin;
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std::string _docs;
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bool _lua_does_channelmapping;
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bool _lua_has_inline_display;
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bool _connect_all_audio_outputs;
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void queue_draw () { QueueDraw(); /* EMIT SIGNAL */ }
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DSP::DspShm lshm;
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LuaTableRef lref;
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boost::weak_ptr<Route> route () const;
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void init ();
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bool load_script ();
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void lua_print (std::string s);
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std::string preset_name_to_uri (const std::string&) const;
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std::string presets_file () const;
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XMLTree* presets_tree () const;
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boost::shared_ptr<ScalePoints> parse_scale_points (luabridge::LuaRef*);
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std::vector<std::pair<bool, int> > _ctrl_params;
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std::map<int, ARDOUR::ParameterDescriptor> _param_desc;
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std::map<int, std::string> _param_doc;
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uint32_t _designated_bypass_port;
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samplecnt_t _signal_latency;
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float* _control_data;
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float* _shadow_data;
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ChanCount _configured_in;
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ChanCount _configured_out;
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bool _configured;
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ChanCount _selected_in;
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ChanCount _selected_out;
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PluginOutputConfiguration _output_configs;
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bool _has_midi_input;
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bool _has_midi_output;
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#ifdef WITH_LUAPROC_STATS
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int64_t _stats_avg[2];
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int64_t _stats_max[2];
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int64_t _stats_cnt;
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#endif
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};
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class LIBARDOUR_API LuaPluginInfo : public PluginInfo
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{
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public:
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LuaPluginInfo (LuaScriptInfoPtr lsi);
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~LuaPluginInfo () { };
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PluginPtr load (Session& session);
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std::vector<Plugin::PresetRecord> get_presets (bool user_only) const;
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bool reconfigurable_io() const { return true; }
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uint32_t max_configurable_outputs () const {
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return _max_outputs;
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}
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private:
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uint32_t _max_outputs;
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};
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typedef boost::shared_ptr<LuaPluginInfo> LuaPluginInfoPtr;
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} // namespace ARDOUR
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#endif // __ardour_luaproc_h__
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