ladish/grauph/src/libs/engine/DSSIPlugin.h

110 lines
2.7 KiB
C++

/* This file is part of Om. Copyright (C) 2006 Dave Robillard.
*
* Om 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.
*
* Om 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 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.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef DSSIPLUGIN_H
#define DSSIPLUGIN_H
#include <asoundlib.h>
#include <dssi.h>
#include <lo/lo.h>
#include "LADSPAPlugin.h"
namespace Om {
class MidiMessage;
template <typename T> class InputPort;
namespace Shared {
class ClientInterface;
} using Shared::ClientInterface;
/** An instance of a DSSI plugin.
*/
class DSSIPlugin : public LADSPAPlugin
{
public:
typedef map<int, string> Bank;
DSSIPlugin(const string& name, size_t poly, Patch* parent, DSSI_Descriptor* descriptor, samplerate srate, size_t buffer_size);
~DSSIPlugin();
bool instantiate();
void activate();
void set_ui_url(const string& url);
void send_update();
void set_control(size_t port_num, sample val);
void configure(const string& key, const string& val);
void program(int bank, int program);
void run(size_t nframes);
bool update_programs(bool send_events);
void set_default_program();
const map<int, Bank>& get_programs() const;
//void send_creation_messages(ClientInterface* client) const;
const Plugin* plugin() const { return m_plugin; }
void plugin(const Plugin* const pi) { m_plugin = pi; }
private:
// Prevent copies (undefined)
DSSIPlugin(const DSSIPlugin& copy);
DSSIPlugin& operator=(const DSSIPlugin& copy);
bool has_midi_input() const;
// DSSI GUI messages
void send_control(int port_num, float value);
void send_program(int bank, int value);
void send_configure(const string& key, const string& val);
void send_show();
void send_hide();
void send_quit();
// Conversion to ALSA MIDI events
void convert_events();
DSSI_Descriptor* m_dssi_descriptor;
string m_ui_url;
string m_ui_base_path;
lo_address m_ui_addr;
// Current values
int m_bank;
int m_program;
map<string, string> m_configures;
map<int, Bank> m_banks;
InputPort<MidiMessage>* m_midi_in_port;
snd_seq_event_t* m_alsa_events;
unsigned long m_encoded_events;
snd_midi_event_t* m_alsa_encoder;
};
} // namespace Om
#endif // DSSIPLUGIN_H