ardour/libs/ardour/ardour/vst_plugin.h

147 lines
4.3 KiB
C++

/*
* Copyright (C) 2006-2011 David Robillard <d@drobilla.net>
* Copyright (C) 2007-2011 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2007-2018 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2014-2019 Robin Gareus <robin@gareus.org>
*
* 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
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef __ardour_vst_plugin_h__
#define __ardour_vst_plugin_h__
#include <pbd/signals.h>
#include "ardour/plugin.h"
struct _AEffect;
typedef struct _AEffect AEffect;
struct _VSTHandle;
typedef struct _VSTHandle VSTHandle;
struct _VSTState;
typedef struct _VSTState VSTState;
#include "ardour/vestige/vestige.h"
namespace ARDOUR {
class PluginInsert;
struct VST2Info;
/** Parent class for VST plugins of both Windows and Linux varieties */
class LIBARDOUR_API VSTPlugin : public Plugin
{
public:
friend class Session;
VSTPlugin (AudioEngine &, Session &, VSTHandle *);
VSTPlugin (const VSTPlugin& other);
virtual ~VSTPlugin ();
void activate ();
void deactivate ();
int set_block_size (pframes_t);
bool requires_fixed_sized_buffers () const;
bool inplace_broken() const { return true; }
float default_value (uint32_t port);
float get_parameter (uint32_t port) const;
uint32_t nth_parameter (uint32_t port, bool& ok) const;
void set_parameter (uint32_t port, float val, sampleoffset_t);
void set_parameter_automated (uint32_t port, float val);
bool load_preset (PresetRecord);
int get_parameter_descriptor (uint32_t which, ParameterDescriptor&) const;
std::string describe_parameter (Evoral::Parameter);
std::set<Evoral::Parameter> automatable() const;
PBD::Signal0<void> LoadPresetProgram;
PBD::Signal0<void> VSTSizeWindow;
bool parameter_is_audio (uint32_t) const { return false; }
bool parameter_is_control (uint32_t) const { return true; }
bool parameter_is_input (uint32_t) const { return true; }
bool parameter_is_output (uint32_t) const { return false; }
uint32_t designated_bypass_port ();
int connect_and_run (BufferSet&,
samplepos_t start, samplepos_t end, double speed,
ChanMapping const& in, ChanMapping const& out,
pframes_t nframes, samplecnt_t offset
);
std::string unique_id () const;
const char * label () const;
const char * name () const;
const char * maker () const;
int32_t version () const;
uint32_t parameter_count () const;
bool print_parameter (uint32_t, std::string&) const;
bool has_editor () const;
AEffect * plugin () const { return _plugin; }
VSTState * state () const { return _state; }
MidiBuffer * midi_buffer () const { return _midi_out_buf; }
int set_state (XMLNode const &, int);
int first_user_preset_index () const;
VstTimeInfo* timeinfo () { return &_timeInfo; }
samplepos_t transport_sample () const { return _transport_sample; }
float transport_speed () const { return _transport_speed; }
protected:
void parameter_changed_externally (uint32_t which, float val);
virtual void open_plugin ();
void init_plugin ();
gchar* get_chunk (bool) const;
int set_chunk (gchar const *, bool);
void add_state (XMLNode *) const;
bool load_user_preset (PresetRecord);
bool load_plugin_preset (PresetRecord);
std::string do_save_preset (std::string name);
void do_remove_preset (std::string name);
XMLTree * presets_tree () const;
std::string presets_file () const;
samplecnt_t plugin_latency() const;
void find_presets ();
VSTHandle* _handle;
VSTState* _state;
AEffect* _plugin;
MidiBuffer* _midi_out_buf;
VstTimeInfo _timeInfo;
samplepos_t _transport_sample;
float _transport_speed;
mutable std::map <uint32_t, float> _parameter_defaults;
bool _eff_bypassed;
};
class LIBARDOUR_API VSTPluginInfo : public PluginInfo
{
public:
VSTPluginInfo (VST2Info const&);
bool is_instrument () const;
protected:
bool _is_instrument;
};
}
#endif