/*
 *
 *  Singe 3
 *  Copyright (C) 2006-2026 Scott Duensing <scott@kangaroopunch.com>
 *
 * This program 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.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA.
 *
 */


#ifndef MIDI_H
#define MIDI_H


#include <stdint.h>
#include <stdbool.h>

#include "decode.h"


// Playing a MIDI file means synthesising it, and synthesising it means a sound bank.  Singe ships
// none:  a good one is tens of megabytes and would be carried by every platform for a format almost
// no game uses.  Point --soundfont at a .sf2, or put one where midiInit looks, and MIDI plays.

// Finds and loads the sound bank.  Called once at start up; quiet when there is none to find.
void        midiInit(const char *wanted);

// Whether the bytes begin a standard MIDI file.  True regardless of whether a bank is loaded, so
// the caller can tell "this is a MIDI" from "this will not play".
bool        midiIs(const void *bytes, size_t size);

// Renders a whole MIDI file to interleaved float samples.  False when there is no sound bank or the
// file will not parse, with the reason in SDL_GetError.
bool        midiRender(const void *bytes, size_t size, DecodedAudioT *out);

// Releases the sound bank.
void        midiQuit(void);

// The bank in use for the trace header, or a line saying why there is none.  Never NULL.
const char *midiSoundfont(void);


#endif // MIDI_H