engine.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_ENGINE_H
  20 #define CBOX_ENGINE_H
  21
  22 #include "cmd.h"
  23 #include "dom.h"
  24 #include "io.h"
  25 #include "midi.h"
  26 #include "rt.h"
  27
  28 CBOX_EXTERN_CLASS(cbox_engine)
  29
  30 #define GET_RT_FROM_cbox_engine(ptr) ((ptr)->rt)
  31
  32 struct cbox_engine
  33 {
  34     CBOX_OBJECT_HEADER()
  35     struct cbox_command_target cmd_target;
  36     struct cbox_io_env io_env;
  37     struct cbox_rt *rt;
  38     struct cbox_scene **scenes;
  39     int scene_count;
  40     struct cbox_song_playback *spb;
  41     struct cbox_module *effect;
  42     struct cbox_master *master;
  43     struct cbox_midi_buffer midibuf_aux, midibuf_jack, midibuf_song;
  44     struct cbox_midi_appsink appsink;
  45 };
  46
  47 // These use an RT command internally
  48 extern struct cbox_engine *cbox_engine_new(struct cbox_document *doc, struct cbox_rt *rt);
  49 extern void cbox_engine_update_song_playback(struct cbox_engine *engine);
  50 extern void cbox_engine_update_input_connections(struct cbox_engine *engine);
  51 extern void cbox_engine_add_scene(struct cbox_engine *engine, struct cbox_scene *scene);
  52 void cbox_engine_remove_scene(struct cbox_engine *engine, struct cbox_scene *scene);
  53 extern struct cbox_song *cbox_engine_set_song(struct cbox_engine *engine, struct cbox_song *song, int new_pos);
  54 extern struct cbox_song *cbox_engine_set_pattern(struct cbox_engine *engine, struct cbox_midi_pattern *pattern, int new_pos);
  55 extern void cbox_engine_set_pattern_and_destroy(struct cbox_engine *engine, struct cbox_midi_pattern *pattern);
  56 extern void cbox_engine_send_events_to(struct cbox_engine *engine, struct cbox_midi_merger *merger, struct cbox_midi_buffer *buffer);
  57 extern void cbox_engine_process(struct cbox_engine *engine, struct cbox_io *io, uint32_t nframes, float **output_buffers);
  58 extern gboolean cbox_engine_on_transport_sync(struct cbox_engine *engine, enum cbox_transport_state state, uint32_t frame);
  59 extern struct cbox_midi_merger *cbox_engine_get_midi_output(struct cbox_engine *engine, struct cbox_uuid *uuid);
  60
  61 extern int cbox_engine_get_sample_rate(struct cbox_engine *engine);
  62 extern int cbox_engine_get_buffer_size(struct cbox_engine *engine);
  63
  64 #endif