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/*
Calf Box, an open source musical instrument.
Copyright (C) 2010-2011 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/>.
*/
#include "auxbus.h"
#include "scene.h"
#include <assert.h>
#include <glib.h>
extern gboolean cbox_scene_insert_aux_bus(struct cbox_scene *scene, struct cbox_aux_bus *aux_bus);
extern void cbox_scene_remove_aux_bus(struct cbox_scene *scene, struct cbox_aux_bus *bus);
CBOX_CLASS_DEFINITION_ROOT(cbox_aux_bus)
static gboolean cbox_aux_bus_process_cmd(struct cbox_command_target *ct, struct cbox_command_target *fb, struct cbox_osc_command *cmd, GError **error)
{
struct cbox_aux_bus *aux_bus = ct->user_data;
struct cbox_rt *rt = (struct cbox_rt *)cbox_document_get_service(CBOX_GET_DOCUMENT(aux_bus), "rt");
if (!strcmp(cmd->command, "/status") && !strcmp(cmd->arg_types, ""))
{
if (!cbox_check_fb_channel(fb, cmd->command, error))
return FALSE;
return cbox_execute_on(fb, NULL, "/name", "s", error, aux_bus->name) &&
CBOX_OBJECT_DEFAULT_STATUS(aux_bus, fb, error);
}
else
if (!strncmp(cmd->command, "/slot/", 6))
{
return cbox_module_slot_process_cmd(&aux_bus->module, fb, cmd, cmd->command + 5, CBOX_GET_DOCUMENT(aux_bus), rt, aux_bus->owner->engine, error);
}
else
return cbox_object_default_process_cmd(ct, fb, cmd, error);
}
struct cbox_aux_bus *cbox_aux_bus_load(struct cbox_scene *scene, const char *name, struct cbox_rt *rt, GError **error)
{
struct cbox_module *module = cbox_module_new_from_fx_preset(name, CBOX_GET_DOCUMENT(scene), rt, scene->engine, error);
if (!module)
return NULL;
struct cbox_aux_bus *p = malloc(sizeof(struct cbox_aux_bus));
CBOX_OBJECT_HEADER_INIT(p, cbox_aux_bus, CBOX_GET_DOCUMENT(scene));
cbox_command_target_init(&p->cmd_target, cbox_aux_bus_process_cmd, p);
p->name = g_strdup(name);
p->owner = scene;
p->module = module;
p->refcount = 0;
// XXXKF this work up to buffer size of 8192 floats, this should be determined from JACK settings and updated when
// JACK buffer size changes
p->input_bufs[0] = malloc(8192 * sizeof(float));
p->input_bufs[1] = malloc(8192 * sizeof(float));
p->output_bufs[0] = malloc(8192 * sizeof(float));
p->output_bufs[1] = malloc(8192 * sizeof(float));
CBOX_OBJECT_REGISTER(p);
cbox_scene_insert_aux_bus(scene, p);
return p;
}
void cbox_aux_bus_ref(struct cbox_aux_bus *bus)
{
++bus->refcount;
}
void cbox_aux_bus_unref(struct cbox_aux_bus *bus)
{
assert(bus->refcount > 0);
--bus->refcount;
}
void cbox_aux_bus_destroyfunc(struct cbox_objhdr *objhdr)
{
struct cbox_aux_bus *bus = CBOX_H2O(objhdr);
if (bus->owner)
{
cbox_scene_remove_aux_bus(bus->owner, bus);
bus->owner = NULL;
}
CBOX_DELETE(bus->module);
bus->module = NULL;
assert(!bus->refcount);
g_free(bus->name);
free(bus->input_bufs[0]);
free(bus->input_bufs[1]);
free(bus);
}