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/*
Copyright (C) 2000-2006 Paul Davis
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __ardour_plugin_h__
#define __ardour_plugin_h__
#include <boost/shared_ptr.hpp>
#include <sigc++/signal.h>
#include <glibmm/ustring.h>
#include <pbd/statefuldestructible.h>
#include <pbd/controllable.h>
#include <jack/types.h>
#include <ardour/types.h>
#include <ardour/chan_count.h>
#include <ardour/cycles.h>
#include <ardour/latent.h>
#include <ardour/parameter.h>
#include <ardour/plugin_insert.h>
#include <vector>
#include <set>
#include <map>
using std::string;
using std::vector;
using std::set;
using std::map;
namespace ARDOUR {
class AudioEngine;
class Session;
class BufferSet;
class Plugin;
typedef boost::shared_ptr<Plugin> PluginPtr;
class PluginInfo {
public:
PluginInfo () { }
PluginInfo (const PluginInfo &o)
: name(o.name),
category (o.category),
creator (o.creator),
path (o.path),
n_inputs(o.n_inputs),
n_outputs(o.n_outputs),
unique_id(o.unique_id),
index(o.index) {}
virtual ~PluginInfo () { }
string name;
string category;
Glib::ustring creator;
Glib::ustring path;
ChanCount n_inputs;
ChanCount n_outputs;
ARDOUR::PluginType type;
std::string unique_id;
virtual PluginPtr load (Session& session) = 0;
protected:
friend class PluginManager;
uint32_t index;
};
typedef boost::shared_ptr<PluginInfo> PluginInfoPtr;
typedef std::list<PluginInfoPtr> PluginInfoList;
class Plugin : public PBD::StatefulDestructible, public Latent
{
public:
Plugin (ARDOUR::AudioEngine&, ARDOUR::Session&);
Plugin (const Plugin&);
virtual ~Plugin ();
struct ParameterDescriptor {
/* essentially a union of LADSPA and VST info */
bool integer_step;
bool toggled;
bool logarithmic;
bool sr_dependent;
string label;
float lower;
float upper;
float step;
float smallstep;
float largestep;
bool min_unbound;
bool max_unbound;
};
virtual std::string unique_id() const = 0;
virtual const char * label() const = 0;
virtual const char * name() const = 0;
virtual const char * maker() const = 0;
virtual uint32_t parameter_count () const = 0;
virtual float default_value (uint32_t port) = 0;
virtual float get_parameter(uint32_t which) const = 0;
virtual int get_parameter_descriptor (uint32_t which, ParameterDescriptor&) const = 0;
virtual uint32_t nth_parameter (uint32_t which, bool& ok) const = 0;
virtual void activate () = 0;
virtual void deactivate () = 0;
virtual void set_block_size (nframes_t nframes) = 0;
virtual int connect_and_run (BufferSet& bufs, uint32_t& in, uint32_t& out, nframes_t nframes, nframes_t offset) = 0;
virtual std::set<Parameter> automatable() const = 0;
virtual string describe_parameter (Parameter) = 0;
virtual string state_node_name() const = 0;
virtual void print_parameter (uint32_t, char*, uint32_t len) const = 0;
virtual bool parameter_is_audio(uint32_t) const = 0;
virtual bool parameter_is_control(uint32_t) const = 0;
virtual bool parameter_is_input(uint32_t) const = 0;
virtual bool parameter_is_output(uint32_t) const = 0;
virtual bool save_preset(string name) = 0;
virtual bool load_preset (const string preset_label);
virtual std::vector<std::string> get_presets();
virtual bool has_editor() const = 0;
PluginInfoPtr get_info() { return _info; }
void set_info (const PluginInfoPtr inf) { _info = inf; }
ARDOUR::AudioEngine& engine() const { return _engine; }
ARDOUR::Session& session() const { return _session; }
void set_cycles (uint32_t c) { _cycles = c; }
cycles_t cycles() const { return _cycles; }
protected:
friend class PluginInsert;
friend struct PluginInsert::PluginControl;
virtual void set_parameter (uint32_t which, float val) = 0;
ARDOUR::AudioEngine& _engine;
ARDOUR::Session& _session;
PluginInfoPtr _info;
uint32_t _cycles;
map<string,string> presets;
bool save_preset(string name, string domain /* vst, ladspa etc. */);
};
PluginPtr find_plugin(ARDOUR::Session&, string unique_id, ARDOUR::PluginType);
} // namespace ARDOUR
#endif /* __ardour_plugin_h__ */
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