sampler_prg.h

   1 /*
   2 Calf Box, an open source musical instrument.
   3 Copyright (C) 2010-2013 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_SAMPLER_PRG_H
  20 #define CBOX_SAMPLER_PRG_H
  21
  22 #include "cmd.h"
  23 #include "dom.h"
  24
  25 struct sampler_channel;
  26
  27 CBOX_EXTERN_CLASS(sampler_program)
  28
  29 // Runtime layer lists; in future, I might something more clever, like a tree
  30 struct sampler_rll
  31 {
  32     GSList *layers; // of sampler_layer
  33     GSList *layers_release; // of sampler_layer
  34     GSList *layers_oncc;
  35     uint32_t cc_trigger_bitmask[4]; // one bit per CC
  36 };
  37
  38 struct sampler_ctrlinit
  39 {
  40     uint8_t controller;
  41     uint8_t value;
  42 };
  43
  44 union sampler_ctrlinit_union {
  45     gpointer ptr;
  46     struct sampler_ctrlinit cinit;
  47 } u;
  48
  49
  50 struct sampler_program
  51 {
  52     CBOX_OBJECT_HEADER()
  53     struct cbox_command_target cmd_target;
  54
  55     struct sampler_module *module;
  56     gchar *name;
  57     int prog_no;
  58     struct sampler_layer *default_group;
  59     GSList *groups;
  60     GSList *all_layers;
  61     GSList *ctrl_init_list;
  62     struct sampler_rll *rll;
  63     gchar *sample_dir; // can be empty, cannot be NULL
  64     gchar *source_file; // can be empty, cannot be NULL
  65     int in_use;
  66     gboolean deleting;
  67 };
  68
  69 extern struct sampler_rll *sampler_rll_new_from_program(struct sampler_program *prg);
  70 extern void sampler_rll_destroy(struct sampler_rll *rll);
  71
  72 extern GSList *sampler_program_get_next_layer(struct sampler_program *prg, struct sampler_channel *c, GSList *next_layer, int note, int vel, float random, gboolean is_first);
  73 extern struct sampler_program *sampler_program_new(struct sampler_module *m, int prog_no, const char *name, const char *sample_dir);
  74 extern struct sampler_program *sampler_program_new_from_cfg(struct sampler_module *m, const char *cfg_section, const char *name, int pgm_id, GError **error);
  75 extern void sampler_program_add_layer(struct sampler_program *prg, struct sampler_layer *l);
  76 extern void sampler_program_delete_layer(struct sampler_program *prg, struct sampler_layer *l);
  77 extern void sampler_program_add_group(struct sampler_program *prg, struct sampler_layer *l);
  78 extern void sampler_program_add_controller_init(struct sampler_program *prg, uint8_t controller, uint8_t value);
  79 extern void sampler_program_remove_controller_init(struct sampler_program *prg, uint8_t controller, int which);
  80 extern void sampler_program_update_layers(struct sampler_program *prg);
  81
  82 #endif