src/cshellsynth/envelope_generator.h

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/*
 * Copyright 2010 Evan Buswell
 * 
 * This file is part of Cshellsynth.
 * 
 * Cshellsynth 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 2 of the License, or
 * (at your option) any later version.
 * 
 * Cshellsynth 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 Cshellsynth.  If not, see <http://www.gnu.org/licenses/>.
 */
#ifndef CSHELLSYNTH_ENVELOPE_GENERATOR_H
#define CSHELLSYNTH_ENVELOPE_GENERATOR_H 1

#include <jack/jack.h>
#include <stdbool.h>
#include <cshellsynth/atomic-types.h>
#include <cshellsynth/jclient.h>

enum cs_envg_state {
    ATTACK,
    DECAY,
    SUSTAIN,
    RELEASE,
    FINISHED
};

typedef struct cs_envg_struct {
    jack_client_t *client;
    jack_port_t *ctl_port; 
    jack_port_t *out_port; 
    atomic_float_t attack_t; 
    atomic_float_t attack_a; 
    atomic_float_t decay_t; 
    atomic_float_t sustain_a; 
    atomic_float_t release_t; 
    atomic_float_t release_a; 
    atomic_t linear; 
    bool upwards; 
    enum cs_envg_state state; 
    double last_a; 
    bool release; 
} cs_envg_t;

#define cs_envg_destroy(cs_envg) jclient_destroy((jclient_t *) (cs_envg))

int cs_envg_init(cs_envg_t *self, const char *client_name, jack_options_t flags, char *server_name);

void cs_envg_set_attack_t(cs_envg_t *self, float attack_t);

void cs_envg_set_attack_a(cs_envg_t *self, float attack_a);

void cs_envg_set_decay_t(cs_envg_t *self, float decay_t);

void cs_envg_set_sustain_a(cs_envg_t *self, float sustain_a);

void cs_envg_set_release_t(cs_envg_t *self, float release_t);

void cs_envg_set_release_a(cs_envg_t *self, float release_a);

void cs_envg_set_linear(cs_envg_t *self, int linear);

#endif

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