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jackio.c
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/*
Calf Box, an open source musical instrument.
Copyright (C) 2010-2012 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 "config.h"
#if USE_JACK
#include "app.h"
#include "config-api.h"
#include "errors.h"
#include "hwcfg.h"
#include "io.h"
#include "meter.h"
#include "midi.h"
#include "mididest.h"
#include <errno.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <glib.h>
#include <jack/ringbuffer.h>
#include <jack/types.h>
#include <jack/midiport.h>
#include <jack/transport.h>
#include <jack/uuid.h>
#include <jack/metadata.h>
struct cbox_jack_io_impl
{
struct cbox_io_impl ioi;
jack_client_t *client;
jack_port_t **inputs;
jack_port_t **outputs;
jack_port_t *midi;
char *error_str; // set to non-NULL if client has been booted out by JACK
char *client_name;
gboolean enable_common_midi_input;
jack_transport_state_t last_transport_state;
gboolean debug_transport;
gboolean external_tempo;
uint32_t master_detect_bits;
jack_ringbuffer_t *rb_autoconnect;
};
///////////////////////////////////////////////////////////////////////////////
struct cbox_jack_midi_input
{
struct cbox_midi_input hdr;
gchar *autoconnect_spec;
jack_port_t *port;
struct cbox_jack_io_impl *jii;
};
struct cbox_jack_midi_output
{
struct cbox_midi_output hdr;
gchar *autoconnect_spec;
jack_port_t *port;
struct cbox_jack_io_impl *jii;
};
struct cbox_jack_audio_output
{
struct cbox_audio_output hdr;
gchar *autoconnect_spec;
jack_port_t *port;
struct cbox_jack_io_impl *jii;
};
static struct cbox_midi_input *cbox_jackio_create_midi_in(struct cbox_io_impl *impl, const char *name, GError **error);
static struct cbox_midi_output *cbox_jackio_create_midi_out(struct cbox_io_impl *impl, const char *name, GError **error);
static struct cbox_audio_output *cbox_jackio_create_audio_out(struct cbox_io_impl *impl, const char *name, GError **error);
static void cbox_jackio_destroy_midi_in(struct cbox_io_impl *ioi, struct cbox_midi_input *midiin);
static void cbox_jackio_destroy_midi_out(struct cbox_io_impl *ioi, struct cbox_midi_output *midiout);
static void cbox_jackio_destroy_audio_out(struct cbox_io_impl *ioi, struct cbox_audio_output *audioout);
static void cbox_jack_midi_output_set_autoconnect(struct cbox_jack_midi_output *jmo, const gchar *autoconnect_spec);
static void cbox_jack_audio_output_set_autoconnect(struct cbox_jack_audio_output *jao, const gchar *autoconnect_spec);
static const char *transport_state_names[] = {"Stopped", "Rolling", "Looping?", "Starting", "Unknown/invalid#4", "Unknown/invalid#5", "Unknown/invalid#6" };
void cbox_jack_midi_input_destroy(struct cbox_jack_midi_input *jmi)
{
if (jmi->port)
{
jack_port_unregister(jmi->jii->client, jmi->port);
jmi->port = NULL;
}
g_free(jmi->hdr.name);
g_free(jmi->autoconnect_spec);
free(jmi);
}
void cbox_jack_midi_output_destroy(struct cbox_jack_midi_output *jmo)
{
if (jmo->port)
{
jack_port_unregister(jmo->jii->client, jmo->port);
jmo->port = NULL;
}
g_free(jmo->hdr.name);
g_free(jmo->autoconnect_spec);
assert(!jmo->hdr.merger.inputs);
free(jmo);
}
void cbox_jack_audio_output_destroy(struct cbox_jack_audio_output *jao)
{
if (jao->port)
{
jack_port_unregister(jao->jii->client, jao->port);
jao->port = NULL;
}
g_free(jao->hdr.name);
g_free(jao->autoconnect_spec);
free(jao);
}
///////////////////////////////////////////////////////////////////////////////
static int copy_midi_data_to_buffer(jack_port_t *port, int buffer_size, struct cbox_midi_buffer *destination)
{
void *midi = jack_port_get_buffer(port, buffer_size);
if (!midi)
return 0;
uint32_t event_count = jack_midi_get_event_count(midi);
cbox_midi_buffer_clear(destination);
for (uint32_t i = 0; i < event_count; i++)
{
jack_midi_event_t event;
if (!jack_midi_event_get(&event, midi, i))
{
if (!cbox_midi_buffer_write_event(destination, event.time, event.buffer, event.size))
return -i;
}
else
return -i;
}
return event_count;
}
///////////////////////////////////////////////////////////////////////////////
static int process_cb(jack_nframes_t nframes, void *arg)
{
struct cbox_jack_io_impl *jii = arg;
struct cbox_io *io = jii->ioi.pio;
struct cbox_io_callbacks *cb = io->cb;
// Workaround for JACK bug? jack_deactivate or set_process_callback
// does not guarantee the process_cb not being called until client close.
if (!cb)
return 0;
io->io_env.buffer_size = nframes;
for (uint32_t i = 0; i < io->io_env.input_count; i++)
io->input_buffers[i] = jack_port_get_buffer(jii->inputs[i], nframes);
for (uint32_t i = 0; i < io->io_env.output_count; i++)
{
io->output_buffers[i] = jack_port_get_buffer(jii->outputs[i], nframes);
if (!io->output_buffers[i])
continue;
for (uint32_t j = 0; j < nframes; j ++)
io->output_buffers[i][j] = 0.f;
}
if (cb->on_transport_sync || (jii->external_tempo && cb->on_tempo_sync)) {
jack_position_t pos;
memset(&pos, 0, sizeof(pos));
jack_transport_state_t state = jack_transport_query(jii->client, &pos);
if (jii->external_tempo && cb->on_tempo_sync && (pos.valid & JackPositionBBT) && pos.beats_per_minute > 0) {
cb->on_tempo_sync(cb->user_data, pos.beats_per_minute);
}
if (cb->on_transport_sync)
{
if (state != jii->last_transport_state)
{
jack_position_t pos;
jack_transport_query(jii->client, &pos);
if (jii->debug_transport)
g_message("JACK transport: incoming state change, state = %s, last state = %s, pos = %d\n", transport_state_names[state], transport_state_names[(int)jii->last_transport_state], (int)pos.frame);
if (state == JackTransportStopped)
{
if (cb->on_transport_sync(cb->user_data, ts_stopping, pos.frame))
jii->last_transport_state = state;
}
else
if (state == JackTransportRolling && jii->last_transport_state == JackTransportStarting)
{
if (cb->on_transport_sync(cb->user_data, ts_rolling, pos.frame))
jii->last_transport_state = state;
}
else
jii->last_transport_state = state;
}
}
}
for (GSList *p = io->midi_inputs; p; p = p->next)
{
struct cbox_jack_midi_input *input = p->data;
if (input->hdr.output_set || input->hdr.enable_appsink)
{
copy_midi_data_to_buffer(input->port, io->io_env.buffer_size, &input->hdr.buffer);
if (input->hdr.enable_appsink)
cbox_midi_appsink_supply(&input->hdr.appsink, &input->hdr.buffer, io->free_running_frame_counter);
}
else
cbox_midi_buffer_clear(&input->hdr.buffer);
}
for (GSList *p = io->audio_outputs; p; p = p->next)
{
struct cbox_jack_audio_output *output = p->data;
float *buffer = jack_port_get_buffer(output->port, nframes);
output->hdr.buffer = buffer;
for (uint32_t j = 0; j < nframes; j ++)
buffer[j] = 0.f;
}
cb->process(cb->user_data, io, nframes);
for (uint32_t i = 0; i < io->io_env.input_count; i++)
io->input_buffers[i] = NULL;
for (uint32_t i = 0; i < io->io_env.output_count; i++)
io->output_buffers[i] = NULL;
for (GSList *p = io->midi_outputs; p; p = g_slist_next(p))
{
struct cbox_jack_midi_output *midiout = p->data;
void *pbuf = jack_port_get_buffer(midiout->port, nframes);
jack_midi_clear_buffer(pbuf);
cbox_midi_merger_render(&midiout->hdr.merger);
if (midiout->hdr.buffer.count)
{
for (uint32_t i = 0; i < midiout->hdr.buffer.count; i++)
{
const struct cbox_midi_event *event = cbox_midi_buffer_get_event(&midiout->hdr.buffer, i);
const uint8_t *pdata = cbox_midi_event_get_data(event);
if (jack_midi_event_write(pbuf, event->time, pdata, event->size))
{
g_warning("MIDI buffer overflow on JACK output port '%s'", midiout->hdr.name);
break;
}
}
}
}
io->free_running_frame_counter += nframes;
jii->master_detect_bits <<= 1;
return 0;
}
static void autoconnect_port(jack_client_t *client, const char *port, const char *use_name, int is_cbox_input, const jack_port_t *only_connect_port, struct cbox_command_target *fb)
{
int res;
if (only_connect_port)
{
jack_port_t *right;
right = jack_port_by_name(client, use_name);
if (only_connect_port != right)
return;
}
const char *pfrom = is_cbox_input ? use_name : port;
const char *pto = !is_cbox_input ? use_name : port;
res = jack_connect(client, pfrom, pto);
if (res == EEXIST)
res = 0;
gboolean suppressed = FALSE;
if (fb)
{
if (!res)
suppressed = cbox_execute_on(fb, NULL, "/io/jack/connected", "ss", NULL, pfrom, pto);
else
suppressed = cbox_execute_on(fb, NULL, "/io/jack/connect_failed", "sss", NULL, pfrom, pto, (res == EEXIST ? "already connected" : "failed"));
}
if (!suppressed)
g_message("Connect: %s %s %s (%s)", port, is_cbox_input ? "<-" : "->", use_name, res == 0 ? "success" : (res == EEXIST ? "already connected" : "failed"));
}
static void autoconnect_by_spec(jack_client_t *client, const char *port, const char *orig_spec, int is_cbox_input, int is_midi, const jack_port_t *only_connect_port, struct cbox_command_target *fb)
{
char *name, *copy_spec, *dpos;
const char *use_name;
copy_spec = g_strdup(orig_spec);
name = copy_spec;
do {
dpos = strchr(name, ';');
if (dpos)
*dpos = '\0';
use_name = name;
if (use_name[0] == '#')
{
char *endptr = NULL;
long portidx = strtol(use_name + 1, &endptr, 10) - 1;
if (endptr == use_name + strlen(use_name))
{
const char **names = jack_get_ports(client, ".*", is_midi ? JACK_DEFAULT_MIDI_TYPE : JACK_DEFAULT_AUDIO_TYPE, is_cbox_input ? JackPortIsOutput : JackPortIsInput);
// Client killed by JACK
if (!names) {
g_free(copy_spec);
return;
}
int i;
for (i = 0; i < portidx && names[i]; i++)
;
if (names[i])
autoconnect_port(client, port, names[i], is_cbox_input, only_connect_port, fb);
else
g_message("Connect: unmatched port index %d for autoconnecting %s", (int)portidx, port);
jack_free(names);
}
}
else if (use_name[0] == '~' || use_name[0] == '*')
{
const char **names = jack_get_ports(client, use_name + 1, is_midi ? JACK_DEFAULT_MIDI_TYPE : JACK_DEFAULT_AUDIO_TYPE, is_cbox_input ? JackPortIsOutput : JackPortIsInput);
// Client killed by JACK
if (!names) {
g_free(copy_spec);
return;
}
if (names && names[0])
{
if (use_name[0] == '*')
{
int i;
for (i = 0; names[i]; i++)
autoconnect_port(client, port, names[i], is_cbox_input, only_connect_port, fb);
}
else
autoconnect_port(client, port, names[0], is_cbox_input, only_connect_port, fb);
}
else
g_message("Connect: unmatched port regexp %s", use_name);
jack_free(names);
}
else
autoconnect_port(client, port, use_name, is_cbox_input, only_connect_port, fb);
if (dpos)
name = dpos + 1;
} while(dpos);
g_free(copy_spec);
}
static void autoconnect_by_var(jack_client_t *client, const char *port, const char *config_var, int is_cbox_input, int is_midi, const jack_port_t *only_connect_port, struct cbox_command_target *fb)
{
const char *orig_spec = cbox_config_get_string(cbox_io_section, config_var);
if (orig_spec)
autoconnect_by_spec(client, port, orig_spec, is_cbox_input, is_midi, only_connect_port, fb);
}
static void port_connect_cb(jack_port_id_t port, int registered, void *arg)
{
struct cbox_jack_io_impl *jii = arg;
if (registered)
{
jack_port_t *portobj = jack_port_by_id(jii->client, port);
jack_ringbuffer_write(jii->rb_autoconnect, (char *)&portobj, sizeof(portobj));
}
}
static void port_autoconnect(struct cbox_jack_io_impl *jii, jack_port_t *portobj, struct cbox_command_target *fb)
{
struct cbox_io *io = jii->ioi.pio;
for (uint32_t i = 0; i < io->io_env.output_count; i++)
{
gchar *cbox_port = g_strdup_printf("%s:out_%d", jii->client_name, 1 + i);
gchar *config_key = g_strdup_printf("out_%d", 1 + i);
autoconnect_by_var(jii->client, cbox_port, config_key, 0, 0, portobj, fb);
g_free(cbox_port);
g_free(config_key);
}
for (uint32_t i = 0; i < io->io_env.input_count; i++)
{
gchar *cbox_port = g_strdup_printf("%s:in_%d", jii->client_name, 1 + i);
gchar *config_key = g_strdup_printf("in_%d", 1 + i);
autoconnect_by_var(jii->client, cbox_port, config_key, 1, 0, portobj, fb);
g_free(cbox_port);
g_free(config_key);
}
for (GSList *p = io->midi_outputs; p; p = g_slist_next(p))
{
struct cbox_jack_midi_output *midiout = p->data;
if (midiout->autoconnect_spec)
{
gchar *cbox_port = g_strdup_printf("%s:%s", jii->client_name, midiout->hdr.name);
autoconnect_by_spec(jii->client, cbox_port, midiout->autoconnect_spec, FALSE, TRUE, portobj, fb);
g_free(cbox_port);
}
}
for (GSList *p = io->midi_inputs; p; p = g_slist_next(p))
{
struct cbox_jack_midi_input *midiin = p->data;
if (midiin->autoconnect_spec)
{
gchar *cbox_port = g_strdup_printf("%s:%s", jii->client_name, midiin->hdr.name);
autoconnect_by_spec(jii->client, cbox_port, midiin->autoconnect_spec, TRUE, TRUE, portobj, fb);
g_free(cbox_port);
}
}
for (GSList *p = io->audio_outputs; p; p = g_slist_next(p))
{
struct cbox_jack_audio_output *audioout = p->data;
if (audioout->autoconnect_spec)
{
gchar *cbox_port = g_strdup_printf("%s:%s", jii->client_name, audioout->hdr.name);
autoconnect_by_spec(jii->client, cbox_port, audioout->autoconnect_spec, FALSE, FALSE, portobj, fb);
g_free(cbox_port);
}
}
gchar *cbox_port = g_strdup_printf("%s:midi", jii->client_name);
autoconnect_by_var(jii->client, cbox_port, "midi", 1, 1, portobj, fb);
g_free(cbox_port);
}
int cbox_jackio_get_sample_rate(struct cbox_io_impl *impl)
{
struct cbox_jack_io_impl *jii = (struct cbox_jack_io_impl *)impl;
return jack_get_sample_rate(jii->client);
}
gboolean cbox_jackio_get_status(struct cbox_io_impl *impl, GError **error)
{
struct cbox_jack_io_impl *jii = (struct cbox_jack_io_impl *)impl;
if (!jii->error_str)
return TRUE;
g_set_error(error, CBOX_MODULE_ERROR, CBOX_MODULE_ERROR_FAILED, "%s", jii->error_str);
return FALSE;
}
static void client_shutdown_cb(jack_status_t code, const char *reason, void *arg)
{
struct cbox_jack_io_impl *jii = arg;
struct cbox_io *io = jii->ioi.pio;
jii->error_str = g_strdup(reason);
if (io->cb && io->cb->on_disconnected)
(io->cb->on_disconnected)(io->cb->user_data);
}
static void timebase_cb(jack_transport_state_t state, jack_nframes_t nframes,
jack_position_t *pos, int new_pos, void *arg)
{
struct cbox_jack_io_impl *jii = arg;
struct cbox_io *io = jii->ioi.pio;
jii->master_detect_bits |= 1;
if (io->cb->get_transport_data) {
struct cbox_transport_position tpos;
io->cb->get_transport_data(io->cb->user_data, new_pos, pos->frame, &tpos);
pos->valid = JackPositionBBT;
pos->bar = tpos.bar;
pos->beat = tpos.beat;
pos->tick = tpos.tick;
pos->bar_start_tick = tpos.bar_start_tick;
pos->ticks_per_beat = tpos.ticks_per_beat;
pos->beats_per_minute = tpos.tempo;
pos->beats_per_bar = tpos.timesig_num;
pos->beat_type = tpos.timesig_denom;
}
}
static int sync_cb(jack_transport_state_t state, jack_position_t *pos, void *arg)
{
struct cbox_jack_io_impl *jii = arg;
struct cbox_io *io = jii->ioi.pio;
gboolean result = TRUE;
int last_state = jii->last_transport_state;
switch(state)
{
case JackTransportStopped:
result = io->cb->on_transport_sync(io->cb->user_data, ts_stopped, pos->frame);
break;
case JackTransportStarting:
jii->last_transport_state = JackTransportStarting;
result = io->cb->on_transport_sync(io->cb->user_data, ts_starting, pos->frame);
break;
case JackTransportRolling:
result = io->cb->on_transport_sync(io->cb->user_data, ts_rolling, pos->frame);
break;
default:
// assume the client is ready
result = TRUE;
}
if (jii->debug_transport)
g_message("JACK transport: incoming sync callback, state = %s, last state = %s, pos = %d, result = %d\n", transport_state_names[state], transport_state_names[last_state], (int)pos->frame, result);
return result;
}
gboolean cbox_jackio_set_master_mode(struct cbox_jack_io_impl *jii, int mode, GError **error)
{
if (jii->ioi.pio->cb->get_transport_data)
{
if (mode) {
switch(jack_set_timebase_callback(jii->client, mode == 1, timebase_cb, jii))
{
case 0:
return TRUE;
case EBUSY:
g_set_error(error, CBOX_MODULE_ERROR, CBOX_MODULE_ERROR_FAILED, "Timebase master already set");
return FALSE;
default:
g_set_error(error, CBOX_MODULE_ERROR, CBOX_MODULE_ERROR_FAILED, "Timebase master could not be set");
return FALSE;
}
} else {
switch(jack_release_timebase(jii->client))
{
case 0:
return TRUE;
case EINVAL:
g_set_error(error, CBOX_MODULE_ERROR, CBOX_MODULE_ERROR_FAILED, "Not a current timebase master");
return FALSE;
default:
g_set_error(error, CBOX_MODULE_ERROR, CBOX_MODULE_ERROR_FAILED, "Timebase master could not be unset");
return FALSE;
}
}
}
g_set_error(error, CBOX_MODULE_ERROR, CBOX_MODULE_ERROR_FAILED, "Transport not supported by engine");
return FALSE;
}
gboolean cbox_jackio_start(struct cbox_io_impl *impl, struct cbox_command_target *fb, GError **error)
{
struct cbox_jack_io_impl *jii = (struct cbox_jack_io_impl *)impl;
struct cbox_io *io = jii->ioi.pio;
if (io->cb->on_transport_sync)
jack_set_sync_callback(jii->client, sync_cb, jii);
jack_set_process_callback(jii->client, process_cb, jii);
jack_set_port_registration_callback(jii->client, port_connect_cb, jii);
jack_on_info_shutdown(jii->client, client_shutdown_cb, jii);
if (io->cb->on_started)
io->cb->on_started(io->cb->user_data);
jack_activate(jii->client);
if (cbox_config_has_section(cbox_io_section))
port_autoconnect(jii, NULL, fb);
return TRUE;
}
gboolean cbox_jackio_stop(struct cbox_io_impl *impl, GError **error)
{
struct cbox_jack_io_impl *jii = (struct cbox_jack_io_impl *)impl;
if (jii->error_str)
{
g_set_error(error, CBOX_MODULE_ERROR, CBOX_MODULE_ERROR_FAILED, "%s", jii->error_str);
return FALSE;
}
int result = jack_deactivate(jii->client);
if (result)
g_warning("jack_deactivate has failed, result = %d", result);
jack_release_timebase(jii->client);
jack_set_process_callback(jii->client, NULL, 0);
return TRUE;
}
void cbox_jackio_poll_ports(struct cbox_io_impl *impl, struct cbox_command_target *fb)
{
struct cbox_jack_io_impl *jii = (struct cbox_jack_io_impl *)impl;
while (jack_ringbuffer_read_space(jii->rb_autoconnect) >= sizeof(jack_port_t *))
{
jack_port_t *portobj;
jack_ringbuffer_read(jii->rb_autoconnect, (char *)&portobj, sizeof(portobj));
port_autoconnect(jii, portobj, fb);
}
}
int cbox_jackio_get_midi_data(struct cbox_io_impl *impl, struct cbox_midi_buffer *destination)
{
struct cbox_jack_io_impl *jii = (struct cbox_jack_io_impl *)impl;
if (!jii->enable_common_midi_input)
{
cbox_midi_buffer_clear(destination);
return 1;
}
return copy_midi_data_to_buffer(jii->midi, jii->ioi.pio->io_env.buffer_size, destination);
}
void cbox_jackio_destroy(struct cbox_io_impl *impl)
{
struct cbox_jack_io_impl *jii = (struct cbox_jack_io_impl *)impl;
struct cbox_io *io = impl->pio;
if (jii->client)
{
if (jii->error_str)
{
g_free(jii->error_str);
jii->error_str = NULL;
}
else
{
for (uint32_t i = 0; i < io->io_env.input_count; i++)
jack_port_unregister(jii->client, jii->inputs[i]);
free(jii->inputs);
for (uint32_t i = 0; i < io->io_env.output_count; i++)
jack_port_unregister(jii->client, jii->outputs[i]);
free(jii->outputs);
if (jii->midi)
jack_port_unregister(jii->client, jii->midi);
}
if (jii->client_name)
{
free(jii->client_name);
jii->client_name = NULL;
}
cbox_io_destroy_all_midi_ports(io);
jack_ringbuffer_free(jii->rb_autoconnect);
jack_client_close(jii->client);
}
free(jii);
}
gboolean cbox_jackio_cycle(struct cbox_io_impl *impl, struct cbox_command_target *fb, GError **error)
{
struct cbox_io *io = impl->pio;
struct cbox_io_callbacks *cb = io->cb;
cbox_io_close(io);
// XXXKF use params structure some day
if (!cbox_io_init_jack(io, NULL, fb, error))
return FALSE;
cbox_io_start(io, cb, fb);
if (cb->on_reconnected)
(cb->on_reconnected)(cb->user_data);
return TRUE;
}
///////////////////////////////////////////////////////////////////////////////
struct cbox_midi_input *cbox_jackio_create_midi_in(struct cbox_io_impl *impl, const char *name, GError **error)
{
struct cbox_jack_io_impl *jii = (struct cbox_jack_io_impl *)impl;
jack_port_t *port = jack_port_register(jii->client, name, JACK_DEFAULT_MIDI_TYPE, JackPortIsInput, 0);
if (!port)
{
g_set_error(error, CBOX_MODULE_ERROR, CBOX_MODULE_ERROR_FAILED, "Cannot create input MIDI port '%s'", name);
return FALSE;
}
struct cbox_jack_midi_input *input = calloc(1, sizeof(struct cbox_jack_midi_input));
input->hdr.name = g_strdup(name);
input->hdr.removing = FALSE;
input->port = port;
input->jii = jii;
cbox_uuid_generate(&input->hdr.uuid);
cbox_midi_buffer_init(&input->hdr.buffer);
return (struct cbox_midi_input *)input;
}
struct cbox_midi_output *cbox_jackio_create_midi_out(struct cbox_io_impl *impl, const char *name, GError **error)
{
struct cbox_jack_io_impl *jii = (struct cbox_jack_io_impl *)impl;
jack_port_t *port = jack_port_register(jii->client, name, JACK_DEFAULT_MIDI_TYPE, JackPortIsOutput, 0);
if (!port)
{
g_set_error(error, CBOX_MODULE_ERROR, CBOX_MODULE_ERROR_FAILED, "Cannot create output MIDI port '%s'", name);
return FALSE;
}
struct cbox_jack_midi_output *output = calloc(1, sizeof(struct cbox_jack_midi_output));
output->hdr.name = g_strdup(name);
output->hdr.removing = FALSE;
output->port = port;
output->jii = jii;
cbox_uuid_generate(&output->hdr.uuid);
cbox_midi_buffer_init(&output->hdr.buffer);
cbox_midi_merger_init(&output->hdr.merger, &output->hdr.buffer);
return (struct cbox_midi_output *)output;
}
struct cbox_audio_output *cbox_jackio_create_audio_out(struct cbox_io_impl *impl, const char *name, GError **error)
{
struct cbox_jack_io_impl *jii = (struct cbox_jack_io_impl *)impl;
jack_port_t *port = jack_port_register(jii->client, name, JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, 0);
if (!port)
{
g_set_error(error, CBOX_MODULE_ERROR, CBOX_MODULE_ERROR_FAILED, "Cannot create output audio port '%s'", name);
return FALSE;
}
struct cbox_jack_audio_output *output = calloc(1, sizeof(struct cbox_jack_audio_output));
output->hdr.name = g_strdup(name);
output->hdr.removing = FALSE;
output->hdr.users = 0;
output->port = port;
output->jii = jii;
cbox_uuid_generate(&output->hdr.uuid);
return (struct cbox_audio_output *)output;
}
void cbox_jack_port_set_autoconnect(gchar **spec_ptr, const gchar *autoconnect_spec, struct cbox_jack_io_impl *jii, const gchar *port_name, gboolean is_cbox_input, gboolean is_midi)
{
if (*spec_ptr)
g_free(*spec_ptr);
*spec_ptr = autoconnect_spec && *autoconnect_spec ? g_strdup(autoconnect_spec) : NULL;
if (*spec_ptr)
{
gchar *cbox_port = g_strdup_printf("%s:%s", jii->client_name, port_name);
autoconnect_by_spec(jii->client, cbox_port, *spec_ptr, is_cbox_input, is_midi, NULL, NULL);
g_free(cbox_port);
}
}
void cbox_jack_midi_input_set_autoconnect(struct cbox_jack_midi_input *jmi, const gchar *autoconnect_spec)
{
cbox_jack_port_set_autoconnect(&jmi->autoconnect_spec, autoconnect_spec, jmi->jii, jmi->hdr.name, TRUE, TRUE);
}
void cbox_jack_midi_output_set_autoconnect(struct cbox_jack_midi_output *jmo, const gchar *autoconnect_spec)
{
cbox_jack_port_set_autoconnect(&jmo->autoconnect_spec, autoconnect_spec, jmo->jii, jmo->hdr.name, FALSE, TRUE);
}
void cbox_jack_audio_output_set_autoconnect(struct cbox_jack_audio_output *jao, const gchar *autoconnect_spec)
{
cbox_jack_port_set_autoconnect(&jao->autoconnect_spec, autoconnect_spec, jao->jii, jao->hdr.name, FALSE, FALSE);
}
void cbox_jackio_destroy_midi_in(struct cbox_io_impl *ioi, struct cbox_midi_input *midiin)
{
cbox_jack_midi_input_destroy((struct cbox_jack_midi_input *)midiin);
}
void cbox_jackio_destroy_midi_out(struct cbox_io_impl *ioi, struct cbox_midi_output *midiout)
{
cbox_jack_midi_output_destroy((struct cbox_jack_midi_output *)midiout);
}
void cbox_jackio_destroy_audio_out(struct cbox_io_impl *ioi, struct cbox_audio_output *audioout)
{
cbox_jack_audio_output_destroy((struct cbox_jack_audio_output *)audioout);
}
#if JACK_HAS_RENAME
#define jack_port_rename_fn jack_port_rename
#else
#define jack_port_rename_fn(client, handle, name) jack_port_set_name(handle, name)
#endif
static gboolean cbox_jack_io_get_jack_uuid_from_name(struct cbox_jack_io_impl *jii, const char *name, jack_uuid_t *uuid, GError **error)
{
jack_port_t *port = NULL;
port = jack_port_by_name(jii->client, name);
if (!port)
{
g_set_error(error, CBOX_MODULE_ERROR, CBOX_MODULE_ERROR_FAILED, "Port '%s' not found", name);
return FALSE;
}
assert(uuid);
jack_uuid_t temp_uuid = jack_port_uuid(port);
if (!temp_uuid)
{
g_set_error(error, CBOX_MODULE_ERROR, CBOX_MODULE_ERROR_FAILED, "JACK uuid for port '%s' not found", name);
return FALSE;
}
*uuid = temp_uuid;
return TRUE;
}
static gboolean cbox_jack_io_process_cmd(struct cbox_command_target *ct, struct cbox_command_target *fb, struct cbox_osc_command *cmd, GError **error)
{
struct cbox_jack_io_impl *jii = (struct cbox_jack_io_impl *)ct->user_data;
struct cbox_io *io = jii->ioi.pio;
gboolean handled = FALSE;
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, "/client_type", "s", error, "JACK") &&
cbox_execute_on(fb, NULL, "/client_name", "s", error, jii->client_name) &&
cbox_execute_on(fb, NULL, "/external_tempo", "i", error, jii->external_tempo) &&
cbox_io_process_cmd(io, fb, cmd, error, &handled);
}
else if (!strcmp(cmd->command, "/jack_transport_position") && !strcmp(cmd->arg_types, ""))
{
if (!cbox_check_fb_channel(fb, cmd->command, error))
return FALSE;
jack_position_t pos;
memset(&pos, 0, sizeof(pos));
jack_transport_state_t state = jack_transport_query(jii->client, &pos);
if (!(cbox_execute_on(fb, NULL, "/state", "i", error, (int)state) &&
cbox_execute_on(fb, NULL, "/is_master", "i", error, jii->master_detect_bits & 2 ? 1 : 0) &&
cbox_execute_on(fb, NULL, "/unique_lo", "i", error, (int)pos.unique_1) &&
cbox_execute_on(fb, NULL, "/unique_hi", "i", error, (int)(pos.unique_1 >> 32)) &&
cbox_execute_on(fb, NULL, "/usecs_lo", "i", error, (int)pos.usecs) &&
cbox_execute_on(fb, NULL, "/usecs_hi", "i", error, (int)(pos.usecs >> 32)) &&
cbox_execute_on(fb, NULL, "/frame_rate", "i", error, (int)(pos.frame_rate)) &&
cbox_execute_on(fb, NULL, "/frame", "i", error, (int)(pos.frame))))
return FALSE;
if ((pos.valid & JackPositionBBT) && !(
cbox_execute_on(fb, NULL, "/bar", "i", error, (int)pos.bar) &&
cbox_execute_on(fb, NULL, "/beat", "i", error, (int)pos.beat) &&
cbox_execute_on(fb, NULL, "/tick", "i", error, (int)pos.tick) &&
cbox_execute_on(fb, NULL, "/bar_start_tick", "f", error, (int)pos.bar_start_tick) &&
cbox_execute_on(fb, NULL, "/beats_per_bar", "f", error, (double)pos.beats_per_bar) &&
cbox_execute_on(fb, NULL, "/beat_type", "f", error, (double)pos.beat_type) &&
cbox_execute_on(fb, NULL, "/ticks_per_beat", "f", error, (double)pos.ticks_per_beat) &&
cbox_execute_on(fb, NULL, "/beats_per_minute", "f", error, (double)pos.beats_per_minute)))
return FALSE;
if ((pos.valid & JackBBTFrameOffset) && !(
cbox_execute_on(fb, NULL, "/bbt_frame_offset", "i", error, (int)pos.bbt_offset)))
return FALSE;
return TRUE;
}
else if (!strcmp(cmd->command, "/transport_mode") && !strcmp(cmd->arg_types, "i"))
{
return cbox_jackio_set_master_mode(jii, CBOX_ARG_I(cmd, 0), error);
}
else if (!strcmp(cmd->command, "/jack_transport_locate") && !strcmp(cmd->arg_types, "i"))
{
jack_transport_locate(jii->client, (uint32_t)CBOX_ARG_I(cmd, 0));
return TRUE;
}
else if (!strcmp(cmd->command, "/rename_midi_port") && !strcmp(cmd->arg_types, "ss"))
{
const char *uuidstr = CBOX_ARG_S(cmd, 0);
const char *new_name = CBOX_ARG_S(cmd, 1);
struct cbox_uuid uuid;
if (!cbox_uuid_fromstring(&uuid, uuidstr, error))
return FALSE;
struct cbox_midi_input *midiin = cbox_io_get_midi_input(io, NULL, &uuid);
struct cbox_midi_output *midiout = cbox_io_get_midi_output(io, NULL, &uuid);
if (!midiout && !midiin)
{
g_set_error(error, CBOX_MODULE_ERROR, CBOX_MODULE_ERROR_FAILED, "Port '%s' not found", uuidstr);
return FALSE;
}
jack_port_t *port = midiout ? ((struct cbox_jack_midi_output *)midiout)->port
: ((struct cbox_jack_midi_input *)midiin)->port;
char **pname = midiout ? &midiout->name : &midiin->name;
if (0 != jack_port_rename_fn(jii->client, port, new_name))
{
g_set_error(error, CBOX_MODULE_ERROR, CBOX_MODULE_ERROR_FAILED, "Cannot set port name to '%s'", new_name);
return FALSE;
}
g_free(*pname);
*pname = g_strdup(new_name);
return TRUE;
}
else if (!strcmp(cmd->command, "/rename_audio_port") && !strcmp(cmd->arg_types, "ss"))
{
const char *uuidstr = CBOX_ARG_S(cmd, 0);
const char *new_name = CBOX_ARG_S(cmd, 1);
struct cbox_uuid uuid;
if (!cbox_uuid_fromstring(&uuid, uuidstr, error))
return FALSE;
struct cbox_audio_output *audioout = cbox_io_get_audio_output(io, NULL, &uuid);
if (!audioout)
{
g_set_error(error, CBOX_MODULE_ERROR, CBOX_MODULE_ERROR_FAILED, "Port '%s' not found", uuidstr);
return FALSE;
}
if (0 != jack_port_rename_fn(jii->client, ((struct cbox_jack_audio_output *)audioout)->port, new_name))
{
g_set_error(error, CBOX_MODULE_ERROR, CBOX_MODULE_ERROR_FAILED, "Cannot set port name to '%s'", new_name);
return FALSE;
}
g_free(audioout->name);
audioout->name = g_strdup(new_name);
return TRUE;
}
else if (!strcmp(cmd->command, "/autoconnect") && !strcmp(cmd->arg_types, "ss"))
{
const char *uuidstr = CBOX_ARG_S(cmd, 0);
const char *spec = CBOX_ARG_S(cmd, 1);
struct cbox_uuid uuid;
if (!cbox_uuid_fromstring(&uuid, uuidstr, error))
return FALSE;
struct cbox_midi_output *midiout = cbox_io_get_midi_output(io, NULL, &uuid);
if (midiout)
{
cbox_jack_midi_output_set_autoconnect((struct cbox_jack_midi_output *)midiout, spec);
return TRUE;
}
struct cbox_midi_input *midiin = cbox_io_get_midi_input(io, NULL, &uuid);
if (midiin)
{
cbox_jack_midi_input_set_autoconnect((struct cbox_jack_midi_input *)midiin, spec);
return TRUE;
}
struct cbox_audio_output *audioout = cbox_io_get_audio_output(io, NULL, &uuid);
if (audioout)
{
cbox_jack_audio_output_set_autoconnect((struct cbox_jack_audio_output *)audioout, spec);
return TRUE;
}
g_set_error(error, CBOX_MODULE_ERROR, CBOX_MODULE_ERROR_FAILED, "Port '%s' not found", uuidstr);
return FALSE;
}
else if (!strcmp(cmd->command, "/disconnect_audio_output") && !strcmp(cmd->arg_types, "s"))
{
const char *uuidstr = CBOX_ARG_S(cmd, 0);
struct cbox_uuid uuid;
if (!cbox_uuid_fromstring(&uuid, uuidstr, error))
return FALSE;
struct cbox_audio_output *audioout = cbox_io_get_audio_output(io, NULL, &uuid);
if (!audioout)
{
g_set_error(error, CBOX_MODULE_ERROR, CBOX_MODULE_ERROR_FAILED, "Port '%s' not found", uuidstr);
return FALSE;
}
jack_port_disconnect(jii->client, ((struct cbox_jack_audio_output *)audioout)->port);
return TRUE;
}
else if (!strncmp(cmd->command, "/disconnect_midi_", 17) && !strcmp(cmd->arg_types, "s"))
{
bool is_both = !strcmp(cmd->command + 17, "port");
bool is_in = is_both || !strcmp(cmd->command + 17, "input");
bool is_out = is_both || !strcmp(cmd->command + 17, "output");
if (is_in || is_out) {
const char *uuidstr = CBOX_ARG_S(cmd, 0);
struct cbox_uuid uuid;
if (!cbox_uuid_fromstring(&uuid, uuidstr, error))
return FALSE;
struct cbox_midi_input *midiin = is_in ? cbox_io_get_midi_input(io, NULL, &uuid) : NULL;
struct cbox_midi_output *midiout = is_out ? cbox_io_get_midi_output(io, NULL, &uuid) : NULL;
if (!midiout && !midiin)
{
g_set_error(error, CBOX_MODULE_ERROR, CBOX_MODULE_ERROR_FAILED, "Port '%s' not found", uuidstr);
return FALSE;
}
jack_port_t *port = midiout ? ((struct cbox_jack_midi_output *)midiout)->port
: ((struct cbox_jack_midi_input *)midiin)->port;
jack_port_disconnect(jii->client, port);
return TRUE;
}
}
if (!strcmp(cmd->command, "/port_connect") && !strcmp(cmd->arg_types, "ss"))
{
const char *port_from = CBOX_ARG_S(cmd, 0);
const char *port_to = CBOX_ARG_S(cmd, 1);
int res = jack_connect(jii->client, port_from, port_to);
if (res == EEXIST)
res = 0;
if (res)
g_set_error(error, CBOX_MODULE_ERROR, CBOX_MODULE_ERROR_FAILED, "Cannot connect port '%s' to '%s'", port_from, port_to);
return res == 0;
}
else if (!strcmp(cmd->command, "/port_disconnect") && !strcmp(cmd->arg_types, "ss"))
{
const char *port_from = CBOX_ARG_S(cmd, 0);
const char *port_to = CBOX_ARG_S(cmd, 1);
int res = jack_disconnect(jii->client, port_from, port_to);
if (res)
g_set_error(error, CBOX_MODULE_ERROR, CBOX_MODULE_ERROR_FAILED, "Cannot disconnect port '%s' from '%s'", port_from, port_to);
return res == 0;
}
else if (!strcmp(cmd->command, "/get_connected_ports") && !strcmp(cmd->arg_types, "s"))
{
if (!cbox_check_fb_channel(fb, cmd->command, error))
return FALSE;
const char *name = CBOX_ARG_S(cmd, 0);
jack_port_t *port = NULL;
if (!strchr(name, ':')) {
// try UUID
struct cbox_uuid uuid;
if (!cbox_uuid_fromstring(&uuid, name, error))
return FALSE;
struct cbox_midi_output *midiout = cbox_io_get_midi_output(io, NULL, &uuid);