pattern.h

   1 /*
   2 Calf Box, an open source musical instrument.
   3 Copyright (C) 2010-2011 Krzysztof Foltman
   4
   5 This program is free software: you can redistribute it and/or modify
   6 it under the terms of the GNU General Public License as published by
   7 the Free Software Foundation, either version 3 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17 */
  18
  19 #ifndef CBOX_PATTERN_H
  20 #define CBOX_PATTERN_H
  21
  22 #include "dom.h"
  23 #include "master.h"
  24 #include "midi.h"
  25
  26 CBOX_EXTERN_CLASS(cbox_midi_pattern)
  27
  28 struct cbox_blob;
  29 struct cbox_song;
  30
  31 struct cbox_midi_pattern
  32 {
  33     CBOX_OBJECT_HEADER()
  34     struct cbox_command_target cmd_target;
  35     struct cbox_song *owner;
  36     gchar *name;
  37     struct cbox_midi_event *events;
  38     int event_count;
  39     int loop_end;
  40 };
  41
  42 struct cbox_blob_serialized_event
  43 {
  44     int32_t time;
  45     unsigned char len, cmd, byte1, byte2;
  46 };
  47
  48 extern struct cbox_midi_pattern *cbox_midi_pattern_new_metronome(struct cbox_song *song, int ts, uint64_t ppqn_factor);
  49 extern struct cbox_midi_pattern *cbox_midi_pattern_load(struct cbox_song *song, const char *name, int is_drum, uint64_t ppqn_factor);
  50 extern struct cbox_midi_pattern *cbox_midi_pattern_load_track(struct cbox_song *song, const char *name, int is_drum, uint64_t ppqn_factor);
  51 extern struct cbox_midi_pattern *cbox_midi_pattern_new_from_blob(struct cbox_song *song, const struct cbox_blob *blob, int length, uint64_t ppqn_factor);
  52
  53 extern struct cbox_blob *cbox_midi_pattern_to_blob(struct cbox_midi_pattern *pat, int *length);
  54
  55 extern gboolean cbox_midi_pattern_process_cmd(struct cbox_command_target *ct, struct cbox_command_target *fb, struct cbox_osc_command *cmd, GError **error);
  56
  57 #endif