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authorDavid Robillard <d@drobilla.net>2016-10-05 00:32:44 -0400
committerDavid Robillard <d@drobilla.net>2016-10-05 01:31:35 -0400
commit86e57efa909ad4e475186aaf7ce8623eee9ee0aa (patch)
tree8b1cdb398043df5aa8faf4932f641cc4f7a82ae8 /src/jalv.c
parent538bc9fbd498088dc1812f16dcfe83e3a3c20781 (diff)
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Factor out Jack backend
Diffstat (limited to 'src/jalv.c')
-rw-r--r--src/jalv.c536
1 files changed, 22 insertions, 514 deletions
diff --git a/src/jalv.c b/src/jalv.c
index 316af17..7d5ac5a 100644
--- a/src/jalv.c
+++ b/src/jalv.c
@@ -40,15 +40,6 @@
#include "jalv_config.h"
#include "jalv_internal.h"
-#include <jack/jack.h>
-#include <jack/midiport.h>
-#ifdef JALV_JACK_SESSION
-# include <jack/session.h>
-#endif
-#ifdef HAVE_JACK_METADATA
-# include <jack/metadata.h>
-#endif
-
#include "lv2/lv2plug.in/ns/ext/atom/atom.h"
#include "lv2/lv2plug.in/ns/ext/buf-size/buf-size.h"
#include "lv2/lv2plug.in/ns/ext/data-access/data-access.h"
@@ -84,12 +75,6 @@
# define MAX(a, b) (((a) > (b)) ? (a) : (b))
#endif
-#ifdef __clang__
-# define REALTIME __attribute__((annotate("realtime")))
-#else
-# define REALTIME
-#endif
-
/* Size factor for UI ring buffers. The ring size is a few times the size of
an event output to give the UI a chance to keep up. Experiments with Ingen,
which can highly saturate its event output, led me to this value. It
@@ -208,7 +193,7 @@ create_port(Jalv* jalv,
struct Port* const port = &jalv->ports[port_index];
port->lilv_port = lilv_plugin_get_port_by_index(jalv->plugin, port_index);
- port->jack_port = NULL;
+ port->sys_port = NULL;
port->evbuf = NULL;
port->buf_size = 0;
port->index = port_index;
@@ -301,7 +286,7 @@ jalv_create_ports(Jalv* jalv)
/**
Allocate port buffers (only necessary for MIDI).
*/
-static void
+void
jalv_allocate_port_buffers(Jalv* jalv)
{
for (uint32_t i = 0; i < jalv->num_ports; ++i) {
@@ -368,81 +353,6 @@ print_control_value(Jalv* jalv, const struct Port* port, float value)
printf("%-*s = %f\n", jalv->longest_sym, lilv_node_as_string(sym), value);
}
-/**
- Expose a port to Jack (if applicable) and connect it to its buffer.
-*/
-static void
-activate_port(Jalv* jalv,
- uint32_t port_index)
-{
- struct Port* const port = &jalv->ports[port_index];
-
- const LilvNode* sym = lilv_port_get_symbol(jalv->plugin, port->lilv_port);
-
- /* Connect unsupported ports to NULL (known to be optional by this point) */
- if (port->flow == FLOW_UNKNOWN || port->type == TYPE_UNKNOWN) {
- lilv_instance_connect_port(jalv->instance, port_index, NULL);
- return;
- }
-
- /* Build Jack flags for port */
- enum JackPortFlags jack_flags = (port->flow == FLOW_INPUT)
- ? JackPortIsInput
- : JackPortIsOutput;
-
- /* Connect the port based on its type */
- switch (port->type) {
- case TYPE_CONTROL:
- lilv_instance_connect_port(jalv->instance, port_index, &port->control);
- break;
- case TYPE_AUDIO:
- port->jack_port = jack_port_register(
- jalv->jack_client, lilv_node_as_string(sym),
- JACK_DEFAULT_AUDIO_TYPE, jack_flags, 0);
- break;
-#ifdef HAVE_JACK_METADATA
- case TYPE_CV:
- port->jack_port = jack_port_register(
- jalv->jack_client, lilv_node_as_string(sym),
- JACK_DEFAULT_AUDIO_TYPE, jack_flags, 0);
- if (port->jack_port) {
- jack_set_property(jalv->jack_client, jack_port_uuid(port->jack_port),
- "http://jackaudio.org/metadata/signal-type", "CV",
- "text/plain");
- }
- break;
-#endif
- case TYPE_EVENT:
- if (lilv_port_supports_event(
- jalv->plugin, port->lilv_port, jalv->nodes.midi_MidiEvent)) {
- port->jack_port = jack_port_register(
- jalv->jack_client, lilv_node_as_string(sym),
- JACK_DEFAULT_MIDI_TYPE, jack_flags, 0);
- }
- break;
- default:
- break;
- }
-
-#ifdef HAVE_JACK_METADATA
- if (port->jack_port) {
- // Set port order to index
- char index_str[16];
- snprintf(index_str, sizeof(index_str), "%d", port_index);
- jack_set_property(jalv->jack_client, jack_port_uuid(port->jack_port),
- "http://jackaudio.org/metadata/order", index_str,
- "http://www.w3.org/2001/XMLSchema#integer");
-
- // Set port pretty name to label
- LilvNode* name = lilv_port_get_name(jalv->plugin, port->lilv_port);
- jack_set_property(jalv->jack_client, jack_port_uuid(port->jack_port),
- JACK_METADATA_PRETTY_NAME, lilv_node_as_string(name),
- "text/plain");
- lilv_node_free(name);
- }
-#endif
-}
-
void
jalv_create_controls(Jalv* jalv, bool writable)
{
@@ -532,350 +442,6 @@ jalv_set_control(const ControlID* control,
}
}
-
-/** Jack buffer size callback. */
-static int
-jack_buffer_size_cb(jack_nframes_t nframes, void* data)
-{
- Jalv* const jalv = (Jalv*)data;
- jalv->block_length = nframes;
- jalv->buf_size_set = true;
-#ifdef HAVE_JACK_PORT_TYPE_GET_BUFFER_SIZE
- jalv->midi_buf_size = jack_port_type_get_buffer_size(
- jalv->jack_client, JACK_DEFAULT_MIDI_TYPE);
-#endif
- jalv_allocate_port_buffers(jalv);
- return 0;
-}
-
-/** Jack shutdown callback. */
-static void
-jack_shutdown_cb(void* data)
-{
- Jalv* const jalv = (Jalv*)data;
- jalv_close_ui(jalv);
- zix_sem_post(jalv->done);
-}
-
-/** Jack process callback. */
-static REALTIME int
-jack_process_cb(jack_nframes_t nframes, void* data)
-{
- Jalv* const jalv = (Jalv*)data;
-
- /* Get Jack transport position */
- jack_position_t pos;
- const bool rolling = (jack_transport_query(jalv->jack_client, &pos)
- == JackTransportRolling);
-
- /* If transport state is not as expected, then something has changed */
- const bool xport_changed = (rolling != jalv->rolling ||
- pos.frame != jalv->position ||
- pos.beats_per_minute != jalv->bpm);
-
- uint8_t pos_buf[256];
- LV2_Atom* lv2_pos = (LV2_Atom*)pos_buf;
- if (xport_changed) {
- /* Build an LV2 position object to report change to plugin */
- lv2_atom_forge_set_buffer(&jalv->forge, pos_buf, sizeof(pos_buf));
- LV2_Atom_Forge* forge = &jalv->forge;
- LV2_Atom_Forge_Frame frame;
- lv2_atom_forge_object(forge, &frame, 0, jalv->urids.time_Position);
- lv2_atom_forge_key(forge, jalv->urids.time_frame);
- lv2_atom_forge_long(forge, pos.frame);
- lv2_atom_forge_key(forge, jalv->urids.time_speed);
- lv2_atom_forge_float(forge, rolling ? 1.0 : 0.0);
- if (pos.valid & JackPositionBBT) {
- lv2_atom_forge_key(forge, jalv->urids.time_barBeat);
- lv2_atom_forge_float(
- forge, pos.beat - 1 + (pos.tick / pos.ticks_per_beat));
- lv2_atom_forge_key(forge, jalv->urids.time_bar);
- lv2_atom_forge_long(forge, pos.bar - 1);
- lv2_atom_forge_key(forge, jalv->urids.time_beatUnit);
- lv2_atom_forge_int(forge, pos.beat_type);
- lv2_atom_forge_key(forge, jalv->urids.time_beatsPerBar);
- lv2_atom_forge_float(forge, pos.beats_per_bar);
- lv2_atom_forge_key(forge, jalv->urids.time_beatsPerMinute);
- lv2_atom_forge_float(forge, pos.beats_per_minute);
- }
-
- if (jalv->opts.dump) {
- char* str = sratom_to_turtle(
- jalv->sratom, &jalv->unmap, "time:", NULL, NULL,
- lv2_pos->type, lv2_pos->size, LV2_ATOM_BODY(lv2_pos));
- jalv_ansi_start(stdout, 36);
- printf("\n## Position ##\n%s\n", str);
- jalv_ansi_reset(stdout);
- free(str);
- }
- }
-
- /* Update transport state to expected values for next cycle */
- jalv->position = rolling ? pos.frame + nframes : pos.frame;
- jalv->bpm = pos.beats_per_minute;
- jalv->rolling = rolling;
-
- switch (jalv->play_state) {
- case JALV_PAUSE_REQUESTED:
- jalv->play_state = JALV_PAUSED;
- zix_sem_post(&jalv->paused);
- break;
- case JALV_PAUSED:
- for (uint32_t p = 0; p < jalv->num_ports; ++p) {
- jack_port_t* jport = jalv->ports[p].jack_port;
- if (jport && jalv->ports[p].flow == FLOW_OUTPUT) {
- void* buf = jack_port_get_buffer(jport, nframes);
- if (jalv->ports[p].type == TYPE_EVENT) {
- jack_midi_clear_buffer(buf);
- } else {
- memset(buf, '\0', nframes * sizeof(float));
- }
- }
- }
- return 0;
- default:
- break;
- }
-
- /* Prepare port buffers */
- for (uint32_t p = 0; p < jalv->num_ports; ++p) {
- struct Port* port = &jalv->ports[p];
- if (port->type == TYPE_AUDIO && port->jack_port) {
- /* Connect plugin port directly to Jack port buffer */
- lilv_instance_connect_port(
- jalv->instance, p,
- jack_port_get_buffer(port->jack_port, nframes));
-#ifdef HAVE_JACK_METADATA
- } else if (port->type == TYPE_CV && port->jack_port) {
- /* Connect plugin port directly to Jack port buffer */
- lilv_instance_connect_port(
- jalv->instance, p,
- jack_port_get_buffer(port->jack_port, nframes));
-#endif
- } else if (port->type == TYPE_EVENT && port->flow == FLOW_INPUT) {
- lv2_evbuf_reset(port->evbuf, true);
-
- /* Write transport change event if applicable */
- LV2_Evbuf_Iterator iter = lv2_evbuf_begin(port->evbuf);
- if (xport_changed) {
- lv2_evbuf_write(&iter, 0, 0,
- lv2_pos->type, lv2_pos->size,
- (const uint8_t*)LV2_ATOM_BODY(lv2_pos));
- }
-
- if (jalv->request_update) {
- /* Plugin state has changed, request an update */
- const LV2_Atom_Object get = {
- { sizeof(LV2_Atom_Object_Body), jalv->urids.atom_Object },
- { 0, jalv->urids.patch_Get } };
- lv2_evbuf_write(&iter, 0, 0,
- get.atom.type, get.atom.size,
- (const uint8_t*)LV2_ATOM_BODY(&get));
- }
-
- if (port->jack_port) {
- /* Write Jack MIDI input */
- void* buf = jack_port_get_buffer(port->jack_port, nframes);
- for (uint32_t i = 0; i < jack_midi_get_event_count(buf); ++i) {
- jack_midi_event_t ev;
- jack_midi_event_get(&ev, buf, i);
- lv2_evbuf_write(&iter,
- ev.time, 0,
- jalv->midi_event_id,
- ev.size, ev.buffer);
- }
- }
- } else if (port->type == TYPE_EVENT) {
- /* Clear event output for plugin to write to */
- lv2_evbuf_reset(port->evbuf, false);
- }
- }
- jalv->request_update = false;
-
- /* Read and apply control change events from UI */
- if (jalv->has_ui) {
- ControlChange ev;
- const size_t space = jack_ringbuffer_read_space(jalv->ui_events);
- for (size_t i = 0; i < space; i += sizeof(ev) + ev.size) {
- jack_ringbuffer_read(jalv->ui_events, (char*)&ev, sizeof(ev));
- char body[ev.size];
- if (jack_ringbuffer_read(jalv->ui_events, body, ev.size) != ev.size) {
- fprintf(stderr, "error: Error reading from UI ring buffer\n");
- break;
- }
- assert(ev.index < jalv->num_ports);
- struct Port* const port = &jalv->ports[ev.index];
- if (ev.protocol == 0) {
- assert(ev.size == sizeof(float));
- port->control = *(float*)body;
- } else if (ev.protocol == jalv->urids.atom_eventTransfer) {
- LV2_Evbuf_Iterator e = lv2_evbuf_end(port->evbuf);
- const LV2_Atom* const atom = (const LV2_Atom*)body;
- lv2_evbuf_write(&e, nframes, 0, atom->type, atom->size,
- (const uint8_t*)LV2_ATOM_BODY_CONST(atom));
- } else {
- fprintf(stderr, "error: Unknown control change protocol %d\n",
- ev.protocol);
- }
- }
- }
-
- /* Run plugin for this cycle */
- lilv_instance_run(jalv->instance, nframes);
-
- /* Process any worker replies. */
- jalv_worker_emit_responses(&jalv->state_worker, jalv->instance);
- jalv_worker_emit_responses(&jalv->worker, jalv->instance);
-
- /* Notify the plugin the run() cycle is finished */
- if (jalv->worker.iface && jalv->worker.iface->end_run) {
- jalv->worker.iface->end_run(jalv->instance->lv2_handle);
- }
-
- /* Check if it's time to send updates to the UI */
- jalv->event_delta_t += nframes;
- bool send_ui_updates = false;
- jack_nframes_t update_frames = jalv->sample_rate / jalv->ui_update_hz;
- if (jalv->has_ui && (jalv->event_delta_t > update_frames)) {
- send_ui_updates = true;
- jalv->event_delta_t = 0;
- }
-
- /* Deliver MIDI output and UI events */
- for (uint32_t p = 0; p < jalv->num_ports; ++p) {
- struct Port* const port = &jalv->ports[p];
- if (port->flow == FLOW_OUTPUT && port->type == TYPE_CONTROL &&
- lilv_port_has_property(jalv->plugin, port->lilv_port,
- jalv->nodes.lv2_reportsLatency)) {
- if (jalv->plugin_latency != port->control) {
- jalv->plugin_latency = port->control;
- jack_recompute_total_latencies(jalv->jack_client);
- }
- }
-
- if (port->flow == FLOW_OUTPUT && port->type == TYPE_EVENT) {
- void* buf = NULL;
- if (port->jack_port) {
- buf = jack_port_get_buffer(port->jack_port, nframes);
- jack_midi_clear_buffer(buf);
- }
-
- for (LV2_Evbuf_Iterator i = lv2_evbuf_begin(port->evbuf);
- lv2_evbuf_is_valid(i);
- i = lv2_evbuf_next(i)) {
- uint32_t frames, subframes, type, size;
- uint8_t* body;
- lv2_evbuf_get(i, &frames, &subframes, &type, &size, &body);
- if (buf && type == jalv->midi_event_id) {
- jack_midi_event_write(buf, frames, body, size);
- }
-
- /* TODO: Be more disciminate about what to send */
- if (jalv->has_ui && !port->old_api) {
- char evbuf[sizeof(ControlChange) + sizeof(LV2_Atom)];
- ControlChange* ev = (ControlChange*)evbuf;
- ev->index = p;
- ev->protocol = jalv->urids.atom_eventTransfer;
- ev->size = sizeof(LV2_Atom) + size;
- LV2_Atom* atom = (LV2_Atom*)ev->body;
- atom->type = type;
- atom->size = size;
- if (jack_ringbuffer_write_space(jalv->plugin_events)
- < sizeof(evbuf) + size) {
- fprintf(stderr, "Plugin => UI buffer overflow!\n");
- break;
- }
- jack_ringbuffer_write(jalv->plugin_events, evbuf, sizeof(evbuf));
- /* TODO: race, ensure reader handles this correctly */
- jack_ringbuffer_write(jalv->plugin_events, (const char*)body, size);
- }
- }
- } else if (send_ui_updates
- && port->flow != FLOW_INPUT
- && port->type == TYPE_CONTROL) {
- char buf[sizeof(ControlChange) + sizeof(float)];
- ControlChange* ev = (ControlChange*)buf;
- ev->index = p;
- ev->protocol = 0;
- ev->size = sizeof(float);
- *(float*)ev->body = port->control;
- if (jack_ringbuffer_write(jalv->plugin_events, buf, sizeof(buf))
- < sizeof(buf)) {
- fprintf(stderr, "Plugin => UI buffer overflow!\n");
- }
- }
- }
-
- return 0;
-}
-
-/** Calculate latency assuming all ports depend on each other. */
-static void
-jack_latency_cb(jack_latency_callback_mode_t mode, void* data)
-{
- Jalv* const jalv = (Jalv*)data;
- const enum PortFlow flow = ((mode == JackCaptureLatency)
- ? FLOW_INPUT : FLOW_OUTPUT);
-
- /* First calculate the min/max latency of all feeding ports */
- uint32_t ports_found = 0;
- jack_latency_range_t range = { UINT32_MAX, 0 };
- for (uint32_t p = 0; p < jalv->num_ports; ++p) {
- struct Port* port = &jalv->ports[p];
- if (port->jack_port && port->flow == flow) {
- jack_latency_range_t r;
- jack_port_get_latency_range(port->jack_port, mode, &r);
- if (r.min < range.min) { range.min = r.min; }
- if (r.max > range.max) { range.max = r.max; }
- ++ports_found;
- }
- }
-
- if (ports_found == 0) {
- range.min = 0;
- }
-
- /* Add the plugin's own latency */
- range.min += jalv->plugin_latency;
- range.max += jalv->plugin_latency;
-
- /* Tell Jack about it */
- for (uint32_t p = 0; p < jalv->num_ports; ++p) {
- struct Port* port = &jalv->ports[p];
- if (port->jack_port && port->flow == flow) {
- jack_port_set_latency_range(port->jack_port, mode, &range);
- }
- }
-}
-
-#ifdef JALV_JACK_SESSION
-static void
-jack_session_cb(jack_session_event_t* event, void* arg)
-{
- Jalv* const jalv = (Jalv*)arg;
-
- #define MAX_CMD_LEN 256
- event->command_line = (char*)malloc(MAX_CMD_LEN);
- snprintf(event->command_line, MAX_CMD_LEN, "%s -u %s -l \"${SESSION_DIR}\"",
- jalv->prog_name,
- event->client_uuid);
-
- switch (event->type) {
- case JackSessionSave:
- case JackSessionSaveTemplate:
- jalv_save(jalv, event->session_dir);
- break;
- case JackSessionSaveAndQuit:
- jalv_save(jalv, event->session_dir);
- jalv_close_ui(jalv);
- break;
- }
-
- jack_session_reply(jalv->jack_client, event);
- jack_session_event_free(event);
-}
-#endif /* JALV_JACK_SESSION */
-
void
jalv_ui_instantiate(Jalv* jalv, const char* native_ui_type, void* parent)
{
@@ -986,7 +552,7 @@ jalv_ui_write(SuilController controller,
ev->protocol = protocol;
ev->size = buffer_size;
memcpy(ev->body, buffer, buffer_size);
- jack_ringbuffer_write(jalv->ui_events, buf, sizeof(buf));
+ zix_ring_write(jalv->ui_events, buf, sizeof(buf));
}
uint32_t
@@ -1039,19 +605,19 @@ jalv_update(Jalv* jalv)
/* Emit UI events. */
ControlChange ev;
- const size_t space = jack_ringbuffer_read_space(jalv->plugin_events);
+ const size_t space = zix_ring_read_space(jalv->plugin_events);
for (size_t i = 0;
i + sizeof(ev) + sizeof(float) <= space;
i += sizeof(ev) + ev.size) {
/* Read event header to get the size */
- jack_ringbuffer_read(jalv->plugin_events, (char*)&ev, sizeof(ev));
+ zix_ring_read(jalv->plugin_events, (char*)&ev, sizeof(ev));
/* Resize read buffer if necessary */
jalv->ui_event_buf = realloc(jalv->ui_event_buf, ev.size);
void* const buf = jalv->ui_event_buf;
/* Read event body */
- jack_ringbuffer_read(jalv->plugin_events, (char*)buf, ev.size);
+ zix_ring_read(jalv->plugin_events, (char*)buf, ev.size);
if (jalv->opts.dump && ev.protocol == jalv->urids.atom_eventTransfer) {
/* Dump event in Turtle to the console */
@@ -1380,57 +946,11 @@ main(int argc, char** argv)
jalv_create_controls(&jalv, true);
jalv_create_controls(&jalv, false);
- /* Determine the name of the JACK client */
- char* jack_name = NULL;
- if (jalv.opts.name) {
- /* Name given on command line */
- jack_name = jalv_strdup(jalv.opts.name);
- } else {
- /* Use plugin name */
- LilvNode* name = lilv_plugin_get_name(jalv.plugin);
- jack_name = jalv_strdup(lilv_node_as_string(name));
- lilv_node_free(name);
- }
-
- /* Truncate client name to suit JACK if necessary */
- if (strlen(jack_name) >= (unsigned)jack_client_name_size() - 1) {
- jack_name[jack_client_name_size() - 1] = '\0';
- }
-
- /* Connect to JACK */
- printf("JACK Name: %s\n", jack_name);
-#ifdef JALV_JACK_SESSION
- if (jalv.opts.uuid) {
- jalv.jack_client = jack_client_open(
- jack_name,
- (jack_options_t)(JackSessionID |
- (jalv.opts.name_exact ? JackUseExactName : 0)),
- NULL,
- jalv.opts.uuid);
- }
-#endif
-
- if (!jalv.jack_client) {
- jalv.jack_client = jack_client_open(
- jack_name,
- (jalv.opts.name_exact ? JackUseExactName : JackNullOption),
- NULL);
+ if (!(jalv.backend = jalv_backend_init(&jalv))) {
+ die("Failed to connect to audio system");
}
- free(jack_name);
-
- if (!jalv.jack_client)
- die("Failed to connect to JACK.\n");
-
- jalv.sample_rate = jack_get_sample_rate(jalv.jack_client);
- jalv.block_length = jack_get_buffer_size(jalv.jack_client);
-#ifdef HAVE_JACK_PORT_TYPE_GET_BUFFER_SIZE
- jalv.midi_buf_size = jack_port_type_get_buffer_size(
- jalv.jack_client, JACK_DEFAULT_MIDI_TYPE);
-#else
- jalv.midi_buf_size = 4096;
- fprintf(stderr, "warning: No jack_port_type_get_buffer_size.\n");
-#endif
+ printf("Sample rate: %u Hz\n", jalv.sample_rate);
printf("Block length: %u frames\n", jalv.block_length);
printf("MIDI buffers: %zu bytes\n", jalv.midi_buf_size);
@@ -1478,10 +998,10 @@ main(int argc, char** argv)
options_feature.data = (void*)&options;
/* Create Plugin <=> UI communication buffers */
- jalv.ui_events = jack_ringbuffer_create(jalv.opts.buffer_size);
- jalv.plugin_events = jack_ringbuffer_create(jalv.opts.buffer_size);
- jack_ringbuffer_mlock(jalv.ui_events);
- jack_ringbuffer_mlock(jalv.plugin_events);
+ jalv.ui_events = zix_ring_new(jalv.opts.buffer_size);
+ jalv.plugin_events = zix_ring_new(jalv.opts.buffer_size);
+ zix_ring_mlock(jalv.ui_events);
+ zix_ring_mlock(jalv.plugin_events);
/* Instantiate the plugin */
jalv.instance = lilv_plugin_instantiate(
@@ -1521,22 +1041,11 @@ main(int argc, char** argv)
}
/* Set Jack callbacks */
- jack_set_process_callback(jalv.jack_client,
- &jack_process_cb, (void*)(&jalv));
- jack_set_buffer_size_callback(jalv.jack_client,
- &jack_buffer_size_cb, (void*)(&jalv));
- jack_on_shutdown(jalv.jack_client,
- &jack_shutdown_cb, (void*)(&jalv));
- jack_set_latency_callback(jalv.jack_client,
- &jack_latency_cb, (void*)(&jalv));
-#ifdef JALV_JACK_SESSION
- jack_set_session_callback(jalv.jack_client,
- &jack_session_cb, (void*)(&jalv));
-#endif
+ jalv_backend_init(&jalv);
/* Create Jack ports and connect plugin ports to buffers */
for (uint32_t i = 0; i < jalv.num_ports; ++i) {
- activate_port(&jalv, i);
+ jalv_backend_activate_port(&jalv, i);
}
/* Print initial control values */
@@ -1555,9 +1064,8 @@ main(int argc, char** argv)
jalv.has_ui = jalv_discover_ui(&jalv);
/* Activate Jack */
- jack_activate(jalv.jack_client);
- jalv.sample_rate = jack_get_sample_rate(jalv.jack_client);
- jalv.play_state = JALV_RUNNING;
+ jalv_backend_activate(&jalv);
+ jalv.play_state = JALV_RUNNING;
/* Run UI (or prompt at console) */
jalv_open_ui(&jalv);
@@ -1571,14 +1079,14 @@ main(int argc, char** argv)
/* Terminate the worker */
jalv_worker_finish(&jalv.worker);
- /* Deactivate JACK */
- jack_deactivate(jalv.jack_client);
+ /* Deactivate audio */
+ jalv_backend_deactivate(&jalv);
for (uint32_t i = 0; i < jalv.num_ports; ++i) {
if (jalv.ports[i].evbuf) {
lv2_evbuf_free(jalv.ports[i].evbuf);
}
}
- jack_client_close(jalv.jack_client);
+ jalv_backend_close(&jalv);
/* Deactivate plugin */
suil_instance_free(jalv.ui_instance);
@@ -1587,8 +1095,8 @@ main(int argc, char** argv)
/* Clean up */
free(jalv.ports);
- jack_ringbuffer_free(jalv.ui_events);
- jack_ringbuffer_free(jalv.plugin_events);
+ zix_ring_free(jalv.ui_events);
+ zix_ring_free(jalv.plugin_events);
for (LilvNode** n = (LilvNode**)&jalv.nodes; *n; ++n) {
lilv_node_free(*n);
}