event.h

   1 /*
   2
   3     Ann Hell Ex Machina - Music Software
   4     Copyright (C) 2003 Angel Ortega <angel@triptico.com>
   5
   6     This program is free software; you can redistribute it and/or
   7     modify it under the terms of the GNU General Public License
   8     as published by the Free Software Foundation; either version 2
   9     of the License, or (at your option) any later version.
  10
  11     This program is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with this program; if not, write to the Free Software
  18     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  19
  20     http://www.triptico.com
  21
  22 */
  23
  24 #define EVENT_FPARAM            CHANNELS
  25 #define EVENT_IPARAM            4
  26
  27 /* event types */
  28
  29 #define EVENT_NOTE_OFF          0
  30 #define EVENT_SUSTAIN           1
  31 #define EVENT_CHANNEL_MAP       2
  32 #define EVENT_NOTE_ON           10
  33 #define EVENT_DEBUG             99
  34 #define EVENT_END_SONG          100
  35
  36 struct event
  37 {
  38         int type;               /* event type */
  39         int frame;              /* frame number (time) */
  40         int instrk;             /* instrument or track reference */
  41         float fparam[EVENT_FPARAM];
  42         int iparam[EVENT_IPARAM];
  43 };
  44
  45 extern struct event * _events;
  46 extern int _n_events;
  47
  48
  49 void event_clear(void);
  50
  51 struct event * event_note_on(int frame, int instrk, int note, float vol, int id);
  52 struct event * event_note_off(int frame, int instrk, int id);
  53
  54 struct event * event_sustain(int frame, int instrk, int sustain);
  55 struct event * event_channel_map(int frame, int instrk, int n_channels,
  56         float vol[]);
  57
  58 struct event * event_debug(int frame);
  59
  60 void event_sort(void);