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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* drumgizmo.h
*
* Thu Sep 16 10:24:40 CEST 2010
* Copyright 2010 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 Lesser 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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.
*/
#pragma once
#include <config.h>
#include <string>
#include <list>
#include <array>
#include <memory>
#include <zita-resampler/resampler.h>
#include "audiooutputengine.h"
#include "audioinputengine.h"
#include "events.h"
#include "audiofile.h"
#include "drumkit.h"
#include "drumkitloader.h"
#include "audiocache.h"
#include "settings.h"
#include "inputprocessor.h"
#define REFSFILE "refs.conf"
class DrumGizmo
{
public:
DrumGizmo(Settings& settings,
AudioOutputEngine& outputengine,
AudioInputEngine& inputengine);
virtual ~DrumGizmo();
bool init();
bool run(size_t pos, sample_t *samples, size_t nsamples);
void stop();
void renderSampleEvent(EventSample& evt, int pos, sample_t *s, std::size_t sz);
void getSamples(int ch, int pos, sample_t *s, size_t sz);
//! Get the current engine latency in samples.
std::size_t getLatency() const;
float samplerate();
void setSamplerate(float samplerate);
void setFrameSize(size_t framesize);
void setFreeWheel(bool freewheel);
void setRandomSeed(unsigned int seed);
private:
static constexpr int MAX_RESAMPLER_BUFFER_SIZE = 4096 * 8;
protected:
DrumKitLoader loader;
AudioOutputEngine& oe;
AudioInputEngine& ie;
std::list< Event* > activeevents[NUM_CHANNELS];
bool enable_resampling{true};
std::map<std::string, AudioFile *> audiofiles;
AudioCache audio_cache;
DrumKit kit;
InputProcessor input_processor;
size_t framesize{0};
bool freewheel{true};
std::vector<event_t> events;
Settings& settings;
SettingsGetter settings_getter;
Random rand;
std::array<Resampler, NUM_CHANNELS> zita;
std::array<std::unique_ptr<sample_t>, NUM_CHANNELS> resampler_input_buffer;
double ratio = 1.0;
};
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