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/* midfile.h - function which reads a midi file,and creates the track classes
This file is part of LibKMid 0.9.5
Copyright (C) 1997,98,99,2000 Antonio Larrosa Jimenez
LibKMid's homepage : http://www.arrakis.es/~rlarrosa/libtdemid.html
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
Send comments and bug fixes to Antonio Larrosa <[email protected]>
***************************************************************************/
#ifndef _MIDFILE_H
#define _MIDFILE_H
#include <libtdemid/dattypes.h>
#include <libtdemid/track.h>
#include <stdio.h>
#include <tdelibs_export.h>
/**
* Contains all the information about a MIDI file.
*
* @short All the information about a MIDI file.
* @version 0.9.5 17/01/2000
* @author Antonio Larrosa Jimenez <[email protected]>
*/
struct MidiFileInfo
{
/**
* Format of MIDI file.
*/
int format;
/**
* Number of tracks.
*/
int ntracks;
/**
* Ticks per cuarter note.
*/
int ticksPerCuarterNote;
/**
* Total number of MIDI ticks
*/
ulong ticksTotal;
/**
* Total number of milliseconds
*/
double millisecsTotal;
ulong ticksPlayed;
/**
* Patches used in the MIDI file.
*
* In each position of the array it stores the number of times the
* corresponding patch is used. So, if a MIDI file plays 782 notes
* with a piano, patchesUsed[0] will store 782. In the same way,
* if it doesn't use the Music Box patch, patchesUsed[10] will be 0.
*
*/
int patchesUsed[256];
};
double KMID_EXPORT tempoToMetronomeTempo(ulong x);
double metronomeTempoToTempo(ulong x);
/**
* Reads a midi file.
*
* @param name the filename of the midi file to load.
* @param info a pointer to the MidiFileInfo struct that will be
* filled with the information of the loaded file.
* @param ok return status.
* @return an array of MidiTrack objects with the contents of the file.
*/
MidiTrack **readMidiFile( const char *name, MidiFileInfo *info, int &ok);
void parseInfoData( MidiFileInfo *info, MidiTrack **tracks, float ratioTempo);
void parsePatchesUsed( MidiTrack **tracks, MidiFileInfo *info, int gm);
#endif
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