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- /*
- native_midi: Hardware Midi support for the SDL_mixer library
- Copyright (C) 2000,2001 Florian 'Proff' Schulze & Max Horn
- 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; if not, write to the Free
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- Florian 'Proff' Schulze
- florian.proff.schulze@gmx.net
- Max Horn
- max@quendi.de
- */
- #ifndef _NATIVE_MIDI_COMMON_H_
- #define _NATIVE_MIDI_COMMON_H_
- #include "SDL.h"
- /* Midi Status Bytes */
- #define MIDI_STATUS_NOTE_OFF 0x8
- #define MIDI_STATUS_NOTE_ON 0x9
- #define MIDI_STATUS_AFTERTOUCH 0xA
- #define MIDI_STATUS_CONTROLLER 0xB
- #define MIDI_STATUS_PROG_CHANGE 0xC
- #define MIDI_STATUS_PRESSURE 0xD
- #define MIDI_STATUS_PITCH_WHEEL 0xE
- #define MIDI_STATUS_SYSEX 0xF
- /* We store the midi events in a linked list; this way it is
- easy to shuffle the tracks together later on; and we are
- flexible in the size of each elemnt.
- */
- typedef struct MIDIEvent
- {
- Uint32 time; /* Time at which this midi events occurs */
- Uint8 status; /* Status byte */
- Uint8 data[2]; /* 1 or 2 bytes additional data for most events */
- Uint32 extraLen; /* For some SysEx events, we need additional storage */
- Uint8 *extraData;
-
- struct MIDIEvent *next;
- } MIDIEvent;
- /* Load a midifile to memory, converting it to a list of MIDIEvents.
- This function returns a linked lists of MIDIEvents, 0 if an error occured.
- */
- MIDIEvent *CreateMIDIEventList(SDL_RWops *rw, Uint16 *division);
- /* Release a MIDIEvent list after usage. */
- void FreeMIDIEventList(MIDIEvent *head);
- #endif /* _NATIVE_MIDI_COMMON_H_ */
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