ladish/grauph/src/libs/engine/DSSIPlugin.cpp.orig

/* This file is part of Om.  Copyright (C) 2005 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
 */

#include "DSSIPlugin.h"
#include <map>
#include "Om.h"
#include "OmApp.h"
#include "config.h"
#include "Patch.h"
#include "PortBase.h"
#include "InputPort.h"
#include "PortInfo.h"

using std::map;

namespace Om {


DSSIPlugin::DSSIPlugin(const string& name, uint poly, Patch* parent, DSSI_Descriptor* descriptor, samplerate srate, size_t buffer_size)
: LADSPAPlugin(name, 1, parent, descriptor->LADSPA_Plugin, srate, buffer_size),
  m_ui_addr(NULL),
  m_bank(-1),
  m_program(-1),
  m_dssi_descriptor(descriptor)
{
	m_num_ports = descriptor->LADSPA_Plugin->PortCount + 1;
	m_ports.alloc(m_num_ports);

	m_midi_in_port = new InputPort<MidiMessage>(this, "MIDI In", m_num_ports-1, 1,
		new PortInfo("MIDI In", MIDI, INPUT), m_buffer_size);
	
	m_ports.at(m_num_ports-1) = m_midi_in_port;
}


DSSIPlugin::~DSSIPlugin()
{
	if (m_ui_addr != NULL)
		lo_address_free(m_ui_addr);
}


void
DSSIPlugin::activate()
{
	LADSPAPlugin::activate();
}


void
DSSIPlugin::set_ui_url(const string& url)
{
	if (m_ui_addr != NULL)
		lo_address_free(m_ui_addr);
	
	m_ui_url = url;
	m_ui_addr = lo_address_new_from_url(url.c_str());
	char* base_path = lo_url_get_path(url.c_str());
	m_ui_base_path = base_path;
	free(base_path);
	cerr << "Set UI base path to " << m_ui_base_path << endl;
}


void
DSSIPlugin::set_control(uint port_num, sample val)
{
	assert(port_num < m_descriptor->PortCount);
	((PortBase<sample>*)m_ports.at(port_num))->set_value(0, val);
}


void
DSSIPlugin::configure(const string& key, const string& val)
{
	m_dssi_descriptor->configure(m_instances[0], key.c_str(), val.c_str());
	m_configures[key] = val;
}


void
DSSIPlugin::program(int bank, int program)
{
	if (m_dssi_descriptor->select_program)
		m_dssi_descriptor->select_program(m_instances[0], bank, program);

	m_bank = bank;
	m_program = program;
}


void
DSSIPlugin::run(size_t nframes)
{
	NodeBase::run(nframes);

	/*if (m_dssi_descriptor->run_synth) {
		m_dssi_descriptor->run_synth(m_instances[0], nframes,
			parent_patch()->dssi_events_array(), parent_patch()->dssi_events_size());
	} else if (m_dssi_descriptor->run_multiple_synths) {  // I hate this stupid function
		snd_seq_event_t* events[1] = { parent_patch()->dssi_events_array() };
		long unsigned events_sizes[1] =  { parent_patch()->dssi_events_size() };
		m_dssi_descriptor->run_multiple_synths(1, m_instances, nframes,
			events, events_sizes);
	} else {
		LADSPAPlugin::run(nframes);
	}
	*/

	if (m_dssi_descriptor->run_synth) {
		m_dssi_descriptor->run_synth(m_instances[0], nframes,
			(snd_seq_event_t*)m_midi_in_port->buffer(0), m_midi_in_port->get_valid_buffer_size());
	/*} else if (m_dssi_descriptor->run_multiple_synths) {  // I hate this stupid function
		snd_seq_event_t* events[1] = { parent_patch()->dssi_events_array() };
		long unsigned events_sizes[1] =  { parent_patch()->dssi_events_size() };
		m_dssi_descriptor->run_multiple_synths(1, m_instances, nframes,
			events, events_sizes);*/
	} else {
		LADSPAPlugin::run(nframes);
	}
	
		
}


void
DSSIPlugin::send_control(int port_num, float value)
{
	string path = m_ui_base_path + "/control";
	lo_send(m_ui_addr, path.c_str(), "if", port_num, value);
}


void
DSSIPlugin::send_program(int bank, int value)
{
	string path = m_ui_base_path + "/program";
	lo_send(m_ui_addr, path.c_str(), "ii", bank, value);
}


void
DSSIPlugin::send_configure(const string& key, const string& val)
{
	string path = m_ui_base_path + "/configure";
	lo_send(m_ui_addr, path.c_str(), "ss", key.c_str(), val.c_str());
}

	
void
DSSIPlugin::send_show()
{
	string path = m_ui_base_path + "/show";
	lo_send(m_ui_addr, path.c_str(), NULL);
}


void
DSSIPlugin::send_hide()
{
	string path = m_ui_base_path + "/hide";
	lo_send(m_ui_addr, path.c_str(), NULL);
}


void
DSSIPlugin::send_quit()
{
	string path = m_ui_base_path + "/quit";
	lo_send(m_ui_addr, path.c_str(), NULL);
}


void
DSSIPlugin::send_update()
{
	// send "configure"s
	for (map<string, string>::iterator i = m_configures.begin(); i != m_configures.end(); ++i)
		send_configure((*i).first, (*i).second);

	// send "program"
	send_program(m_bank, m_program);

	// send "control"s
	for (size_t i=0; i < m_ports.size(); ++i)
		if (m_ports[i]->port_info()->is_control())
			send_control(m_ports[i]->num(), ((PortBase<sample>*)m_ports[i])->get_value(0, 0));

	// send "show" FIXME: not to spec
	send_show();
}


} // namespace Om