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Diffstat (limited to 'libkmid/track.h')
| -rw-r--r-- | libkmid/track.h | 237 |
1 files changed, 0 insertions, 237 deletions
diff --git a/libkmid/track.h b/libkmid/track.h deleted file mode 100644 index 073fc9825..000000000 --- a/libkmid/track.h +++ /dev/null @@ -1,237 +0,0 @@ -/* track.h - class track, which has a midi file track and its events - 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/libkmid.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 <larrosa@kde.org> - -***************************************************************************/ -#ifndef _TRACK_H -#define _TRACK_H - -#include <stdio.h> -#include <libkmid/dattypes.h> - -/** - * An structure that represents a MIDI event. - * - * @short Represents a MIDI event - * @version 0.9.5 17/01/2000 - * @author Antonio Larrosa Jimenez <larrosa@kde.org> - */ -struct MidiEvent -{ - /** - * MIDI Command - * - * Caution, if a command doesn't use a variable, it may contain garbage. - */ - uchar command; - - /** - * Channel - */ - uchar chn; - - /** - * Note - */ - uchar note; - - /** - * Velocity - */ - uchar vel; - - /** - * Patch (if command was a change patch command) - */ - uchar patch; - - /** - * Patch (if command was a controller command) - */ - uchar ctl; - - /** - * Data 1 - */ - uchar d1; - - /** - * Data 2 - */ - uchar d2; - - /** - * Data 3 - */ - uchar d3; - - /** - * Data 4 - */ - uchar d4; - - /** - * Data 5 - */ - uchar d5; - - /** - * Data 6 - */ - uchar d6; - - /** - * Length of the generic data variable - */ - ulong length; - - /** - * The data for commands like text, sysex, etc. - */ - uchar *data; - -}; - -/** - * Stores a MIDI track. This can be thought of as a list of MIDI events. - * - * The data types used to store the track is similar to how events are - * stored on a MIDI file, but used in a way that allows for faster parses. - * - * This class is used on MidiPlayer::loadSong() to load the song and - * later play it with MidiPlayer::play(). - * - * @short Stores a MIDI track with a simple API - * @version 0.9.5 17/01/2000 - * @author Antonio Larrosa Jimenez <larrosa@kde.org> - */ -class MidiTrack -{ - private: - class MidiTrackPrivate; - MidiTrackPrivate *d; - - int id; - - ulong size; - uchar *data; - uchar *ptrdata; - - bool note[16][128]; // Notes that are set on or off by this track - ulong current_ticks; // Total number of ticks since beginning of song - ulong delta_ticks; // Delta ticks from previous event to next event - ulong wait_ticks; // Wait ticks from previous event in other track - // to next event in this track - - ulong currentpos; // Some songs don't have a endoftrack event, so - // we have to see when currentpos > size - int endoftrack; - - ulong readVariableLengthValue(void); - - uchar lastcommand; // This is to run light without overbyte :-) - - - double current_time; // in ms. - double time_at_previous_tempochange; // in ms. - double ticks_from_previous_tempochange; // in ticks - // double time_to_next_event; // in ms. - double time_at_next_event; // in ms. - int tPCN; - ulong tempo; - - int power2to(int i); - - public: - /** - * Constructor. - * @param file the file to read the track from. It should be ready at the - * start of a track. MidiTrack reads just that track and the file is left at - * the end of this track). - * @param tpcn the ticks per cuarter note used in this file. - * @param Id the ID for this track. - */ - MidiTrack(FILE *file,int tpcn,int Id); - - /** - * Destructor - */ - ~MidiTrack(); - - /** - * Makes the iterator advance the given number of ticks. - * - * @return 0 if OK, and 1 if you didn't handle this track well and you - * forgot to take an event (thing that will never happen if you use - * MidiPlayer::play() ). - */ - int ticksPassed (ulong ticks); - - /** - * Makes the iterator advance the given number of milliseconds. - * - * @return 0 if OK, and 1 if you didn't handle this track well and you - * forgot to take an event (thing that will never happen if you use - * MidiPlayer::play() ). - */ - int msPassed (ulong ms); - - /** - * Returns the current millisecond which the iterator is at. - */ - int currentMs (double ms); - - /** - * Returns the number of ticks left for the next event. - */ - ulong waitTicks (void) { return wait_ticks; } - - // ulong waitMs (void) {return time_to_next_event;}; - - /** - * Returns the absolute number of milliseconds of the next event. - */ - double absMsOfNextEvent (void) { return time_at_next_event; } - - /** - * Change the tempo of the song. - */ - void changeTempo(ulong t); - - /** - * Reads the event at the iterator position, and puts it on the structure - * pointed to by @p ev. - */ - void readEvent(MidiEvent *ev); - - /** - * Initializes the iterator. - */ - void init(void); - - /** - * Clears the internal variables. - */ - void clear(void); - -}; - -#endif |