Sampled Instrument Player with static and monolithic design. All instruments are built-in.
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 

127 lines
4.3 KiB

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