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121 lines
4.1 KiB
121 lines
4.1 KiB
3 years ago
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/*
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Calf Box, an open source musical instrument.
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Copyright (C) 2010-2013 Krzysztof Foltman
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef CBOX_SAMPLER_PRG_H
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#define CBOX_SAMPLER_PRG_H
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#include "cmd.h"
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#include "dom.h"
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struct cbox_tarfile;
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struct sampler_channel;
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CBOX_EXTERN_CLASS(sampler_program)
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#define MAX_MIDI_CURVES 32
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struct sampler_keyswitch_group
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{
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uint8_t lo, hi, num_used, def_value;
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uint32_t group_offset;
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uint8_t key_offsets[];
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};
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// Runtime layer lists; in future, I might something more clever, like a tree
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struct sampler_rll
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{
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GSList *layers_oncc;
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uint32_t cc_trigger_bitmask[4]; // one bit per CC
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uint8_t lokey, hikey;
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uint8_t ranges_by_key[128];
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uint32_t layers_by_range_count;
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GSList **layers_by_range, **release_layers_by_range;
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struct sampler_keyswitch_group **keyswitch_groups;
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uint32_t keyswitch_group_count;
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uint32_t keyswitch_key_count;
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gboolean has_release_layers;
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};
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struct sampler_rll_iterator
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{
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struct sampler_channel *channel;
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int note, vel;
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float random;
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gboolean is_first, is_release;
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GSList *next_layer;
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struct sampler_rll *rll;
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uint32_t next_keyswitch_index;
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};
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struct sampler_ctrlinit
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{
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uint16_t controller;
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uint8_t value;
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};
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union sampler_ctrlinit_union {
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gpointer ptr;
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struct sampler_ctrlinit cinit;
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};
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struct sampler_ctrllabel {
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uint16_t controller;
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gchar *label;
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};
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struct sampler_program
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{
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CBOX_OBJECT_HEADER()
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struct cbox_command_target cmd_target;
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struct sampler_module *module;
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gchar *name;
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int prog_no;
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struct sampler_layer *global;
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GSList *all_layers;
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GSList *ctrl_init_list;
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GSList *ctrl_label_list;
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struct sampler_rll *rll;
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gchar *sample_dir; // can be empty, cannot be NULL
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gchar *source_file; // can be empty, cannot be NULL
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int in_use;
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struct cbox_tarfile *tarfile;
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gboolean deleting;
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struct sampler_midi_curve *curves[MAX_MIDI_CURVES];
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float *interpolated_curves[MAX_MIDI_CURVES];
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};
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extern struct sampler_rll *sampler_rll_new_from_program(struct sampler_program *prg);
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extern void sampler_rll_destroy(struct sampler_rll *rll);
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extern void sampler_rll_iterator_init(struct sampler_rll_iterator *iter, struct sampler_rll *rll, struct sampler_channel *c, int note, int vel, float random, gboolean is_first, gboolean is_release);
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extern struct sampler_layer *sampler_rll_iterator_next(struct sampler_rll_iterator *iter);
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extern struct sampler_program *sampler_program_new(struct sampler_module *m, int prog_no, const char *name, struct cbox_tarfile *tarfile, const char *sample_dir, GError **error);
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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);
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extern void sampler_program_add_layer(struct sampler_program *prg, struct sampler_layer *l);
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extern void sampler_program_delete_layer(struct sampler_program *prg, struct sampler_layer *l);
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extern void sampler_program_add_group(struct sampler_program *prg, struct sampler_layer *l);
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extern void sampler_program_add_controller_init(struct sampler_program *prg, uint16_t controller, uint8_t value);
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extern void sampler_program_add_controller_label(struct sampler_program *prg, uint16_t controller, gchar *label); // keeps ownership
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extern void sampler_program_remove_controller_init(struct sampler_program *prg, uint16_t controller, int which);
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extern void sampler_program_update_layers(struct sampler_program *prg);
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extern struct sampler_program *sampler_program_clone(struct sampler_program *prg, struct sampler_module *m, int prog_no, GError **error);
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#endif
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