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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* audiofile.h
*
* Tue Jul 22 17:14:11 CEST 2008
* Copyright 2008 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 <string>
#include <map>
#include <vector>
#include <limits>
#include <mutex>
#include <sndfile.h>
#include "audio.h"
#include "channel.h"
class InstrumentChannel;
class AudioFile
{
public:
AudioFile(const std::string& filename, std::size_t filechannel,
InstrumentChannel* instrument_channel = nullptr);
~AudioFile();
void load(std::size_t sample_limit = std::numeric_limits<std::size_t>::max());
void unload();
bool isLoaded() const;
volatile std::size_t size{0}; // Full size of the file
volatile std::size_t preloadedsize{0}; // Number of samples preloaded (in data)
sample_t* data{nullptr};
std::string filename;
bool isValid() const;
//! Returns if this audio file is to be played on a main channel (ie. not a
//! secondary channel)
main_state_t mainState() const;
std::mutex mutex;
std::size_t filechannel;
private:
friend class InstrumentParserTest;
void* magic{nullptr};
volatile bool is_loaded{false};
InstrumentChannel* instrument_channel;
};
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