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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* input_vst.cc
*
* Tue Sep 20 10:40:10 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 3 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_vst.h"
#include <midimapparser.h>
#include <hugin.hpp>
InputVST::InputVST()
{
list = NULL;
listsize = 0;
}
InputVST::~InputVST()
{
}
bool InputVST::init(Instruments &i)
{
DEBUG(inputvst, "init\n");
instruments = &i;
return true;
}
void InputVST::setParm(std::string parm, std::string value)
{
}
bool InputVST::start()
{
return true;
}
void InputVST::stop()
{
}
void InputVST::pre()
{
}
event_t *InputVST::run(size_t pos, size_t len, size_t *nevents)
{
*nevents = listsize;
return list;
}
void InputVST::post()
{
list = NULL;
listsize = 0;
}
void InputVST::processEvents(VstEvents* ev)
{
if(list == NULL) {
list = (event_t *)malloc(sizeof(event_t) * 1000);
// listsize = 0;
}
for(VstInt32 i = 0; i < ev->numEvents; i++) {
if(ev->events[i]->type != kVstMidiType) continue;
VstMidiEvent* event =(VstMidiEvent*)ev->events[i];
char* midiData = event->midiData;
VstInt32 status = midiData[0] & 0xf0; // ignoring channel
if(status == 0x90) { // we only look at notes
VstInt32 note = midiData[1] & 0x7f;
VstInt32 velocity = midiData[2] & 0x7f;
int i = mmap.lookup(note);
DEBUG(inputvst, "Note: %d -> %d\n", note, i);
if(velocity && i != -1) {
list[listsize].type = TYPE_ONSET;
list[listsize].instrument = i;
list[listsize].velocity = velocity / 127.0;
list[listsize].offset = event->deltaFrames;
listsize++;
}
}
event++;
}
}
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