ss_ins.h

   1 /*
   2
   3     Ann Hell Ex Machina - Music Software
   4     Copyright (C) 2003/2005 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 struct ss_ins
  25 {
  26         int n_layers;                   /* # of layers */
  27         struct ss_wave ** layers;       /* layers */
  28
  29         struct ss_gen * gens;           /* generator queue */
  30
  31         int n_channels;                 /* number of channels */
  32         float * vols;                   /* volumes (1 per channel) */
  33         struct ss_eff ** effs;          /* effect chains (1 per channel) */
  34
  35         double sustain;                 /* sustain in msecs */
  36 };
  37
  38
  39 void ss_ins_init(struct ss_ins * i);
  40 void ss_ins_add_layer(struct ss_ins * i, struct ss_wave * w);
  41 struct ss_wave * ss_ins_find_layer(struct ss_ins * i, double freq, int * off);
  42 void ss_ins_set_channel(struct ss_ins * i, int channel, float vol);
  43 void ss_ins_set_sustain(struct ss_ins * i, double sustain);
  44 int ss_ins_play(struct ss_ins * i, double freq, float vol, int note_id,
  45         struct ss_wave * w);
  46 int ss_ins_note_on(struct ss_ins * i, int note, float vol, int note_id);
  47 void ss_ins_note_off(struct ss_ins * i, int note_id);
  48 void ss_ins_frame(struct ss_ins * i, float frame[]);