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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* input_lv2.cc
*
* Wed Jul 13 14:27:02 CEST 2011
* Copyright 2011 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of DrumGizmo.
*
* DrumGizmo 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.
*
* DrumGizmo 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 DrumGizmo; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "input_lv2.h"
#include "lv2/lv2plug.in/ns/ext/atom/util.h"
#include <midimapparser.h>
#include <hugin.hpp>
InputLV2::InputLV2()
{
eventPort = NULL;
}
InputLV2::~InputLV2()
{
}
bool InputLV2::init(Instruments &i)
{
instruments = &i;
return true;
}
void InputLV2::setParm(std::string parm, std::string value)
{
}
bool InputLV2::start()
{
return true;
}
void InputLV2::stop()
{
}
void InputLV2::pre()
{
}
event_t *InputLV2::run(size_t pos, size_t len, size_t *nevents)
{
if(eventPort == NULL) {
*nevents = 0;
return NULL;
}
event_t *list;
size_t listsize;
list = (event_t *)malloc(sizeof(event_t) * 1000);
listsize = 0;
LV2_Atom_Event* ev = lv2_atom_sequence_begin(&eventPort->body);
while(!lv2_atom_sequence_is_end(&eventPort->body,
eventPort->atom.size,
ev)) {
uint8_t* const data = (uint8_t*)(ev+1);
if ((data[0] & 0xF0) == 0x80) { // note off
int key = data[1];
(void)key;
DEBUG(lv2input, "Event (off) key:%d\n", key);
}
if ((data[0] & 0xF0) == 0x90) { // note on
int key = data[1];
int velocity = data[2];
DEBUG(lv2input, "Event key:%d vel:%d\n", key, velocity);
int i = mmap.lookup(key);
if(velocity && i != -1) {
list[listsize].type = TYPE_ONSET;
list[listsize].instrument = i;
list[listsize].velocity = velocity / 127.0;
list[listsize].offset = ev->time.frames;
listsize++;
}
}
ev = lv2_atom_sequence_next(ev);
}
*nevents = listsize;
return list;
}
void InputLV2::post()
{
}
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