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Diffstat (limited to 'hosts/lv2_jack_host.c')
-rw-r--r--hosts/lv2_jack_host.c114
1 files changed, 44 insertions, 70 deletions
diff --git a/hosts/lv2_jack_host.c b/hosts/lv2_jack_host.c
index 03d57d9..638c420 100644
--- a/hosts/lv2_jack_host.c
+++ b/hosts/lv2_jack_host.c
@@ -32,13 +32,11 @@
#endif // WITH_MIDI
struct Port {
- enum Direction { INPUT, OUTPUT} direction;
- enum Type { UNKNOWN, FLOAT, MIDI } type;
-
- SLV2PortID id;
- jack_port_t* jack_port; /**< For audio and MIDI ports, otherwise NULL */
- float control; /**< For control ports, otherwise 0.0f */
- LV2_MIDI* midi_buffer; /**< For midi ports, otherwise NULL */
+ SLV2PortID id;
+ SLV2PortClass class;
+ jack_port_t* jack_port; /**< For audio and MIDI ports, otherwise NULL */
+ float control; /**< For control ports, otherwise 0.0f */
+ LV2_MIDI* midi_buffer; /**< For midi ports, otherwise NULL */
};
@@ -176,79 +174,53 @@ create_port(struct JackHost* host,
struct Port* const port = &host->ports[port_index];
port->id = slv2_port_by_index(port_index);
- port->type = UNKNOWN;
+ port->class = SLV2_UNKNOWN_PORT_CLASS;
port->jack_port = NULL;
port->control = 0.0f;
port->midi_buffer = NULL;
-
+
slv2_instance_connect_port(host->instance, port_index, NULL);
char* type_str = slv2_port_get_data_type(host->plugin, port->id);
-
- if (!strcmp(type_str, SLV2_DATA_TYPE_FLOAT))
- port->type = FLOAT;
- else if (!strcmp(type_str, SLV2_DATA_TYPE_MIDI))
- port->type = MIDI;
-
+
/* Get the port symbol (label) for console printing */
char* symbol = slv2_port_get_symbol(host->plugin, port->id);
-
+
/* Get the 'class' (not data type) of the port (control input, audio output, etc) */
- enum SLV2PortClass class = slv2_port_get_class(host->plugin, port->id);
-
- if (port->type == FLOAT) {
-
- /* Connect the port based on it's 'class' */
- switch (class) {
- case SLV2_CONTROL_RATE_INPUT:
- port->direction = INPUT;
+ port->class = slv2_port_get_class(host->plugin, port->id);
+
+ /* Connect the port based on it's 'class' */
+ switch (port->class) {
+ case SLV2_CONTROL_INPUT:
port->control = slv2_port_get_default_value(host->plugin, port->id);
slv2_instance_connect_port(host->instance, port_index, &port->control);
printf("Set %s to %f\n", symbol, host->ports[port_index].control);
break;
- case SLV2_CONTROL_RATE_OUTPUT:
- port->direction = OUTPUT;
+ case SLV2_CONTROL_OUTPUT:
slv2_instance_connect_port(host->instance, port_index, &port->control);
break;
- case SLV2_AUDIO_RATE_INPUT:
- port->direction = INPUT;
+ case SLV2_AUDIO_INPUT:
port->jack_port = jack_port_register(host->jack_client,
- symbol, JACK_DEFAULT_AUDIO_TYPE, JackPortIsInput, 0);
+ symbol, JACK_DEFAULT_AUDIO_TYPE, JackPortIsInput, 0);
break;
- case SLV2_AUDIO_RATE_OUTPUT:
- port->direction = OUTPUT;
+ case SLV2_AUDIO_OUTPUT:
port->jack_port = jack_port_register(host->jack_client,
- symbol, JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, 0);
+ symbol, JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, 0);
break;
- default:
- fprintf(stderr, "ERROR: Unknown port class\n");
- }
-
- } else if (port->type == MIDI) {
-
- if (class == SLV2_CONTROL_RATE_INPUT) {
- port->direction = INPUT;
+ case SLV2_MIDI_INPUT:
port->jack_port = jack_port_register(host->jack_client,
- symbol, JACK_DEFAULT_MIDI_TYPE, JackPortIsInput, 0);
+ symbol, JACK_DEFAULT_MIDI_TYPE, JackPortIsInput, 0);
port->midi_buffer = lv2midi_new(MIDI_BUFFER_SIZE);
slv2_instance_connect_port(host->instance, port_index, port->midi_buffer);
- } else if (class == SLV2_CONTROL_RATE_OUTPUT) {
- port->direction = OUTPUT;
+ break;
+ case SLV2_MIDI_OUTPUT:
port->jack_port = jack_port_register(host->jack_client,
- symbol, JACK_DEFAULT_MIDI_TYPE, JackPortIsOutput, 0);
+ symbol, JACK_DEFAULT_MIDI_TYPE, JackPortIsOutput, 0);
port->midi_buffer = lv2midi_new(MIDI_BUFFER_SIZE);
slv2_instance_connect_port(host->instance, port_index, port->midi_buffer);
- } else {
- fprintf(stderr, "ERROR: Audio rate MIDI port?? Ignoring.\n");
- }
-
- } else {
-
- fprintf(stderr, "Unrecognized data type %s for port %s, ignored.\n",
- type_str, symbol);
- fprintf(stderr, " %s\n",
- SLV2_DATA_TYPE_MIDI);
-
+ break;
+ default:
+ fprintf(stderr, "ERROR: Unknown port class\n");
}
free(symbol);
@@ -267,31 +239,34 @@ jack_process_cb(jack_nframes_t nframes, void* data)
if (!host->ports[p].jack_port)
continue;
- if (host->ports[p].type == FLOAT) {
+ if (host->ports[p].class == SLV2_AUDIO_INPUT
+ || host->ports[p].class == SLV2_AUDIO_OUTPUT) {
slv2_instance_connect_port(host->instance, p,
jack_port_get_buffer(host->ports[p].jack_port, nframes));
- } else if (host->ports[p].type == MIDI) {
-
+ } else if (host->ports[p].class == SLV2_MIDI_INPUT) {
void* jack_buffer = jack_port_get_buffer(host->ports[p].jack_port, nframes);
LV2_MIDIState state;
lv2midi_reset_state(&state, host->ports[p].midi_buffer, nframes);
lv2midi_reset_buffer(state.midi);
-
- if (host->ports[p].direction == INPUT) {
- jack_midi_event_t ev;
- const jack_nframes_t event_count
- = jack_midi_get_event_count(jack_buffer, nframes);
+ jack_midi_event_t ev;
- for (jack_nframes_t e=0; e < event_count; ++e) {
+ const jack_nframes_t event_count
+ = jack_midi_get_event_count(jack_buffer, nframes);
- jack_midi_event_get(&ev, jack_buffer, e, nframes);
+ for (jack_nframes_t e=0; e < event_count; ++e) {
- state.midi = host->ports[p].midi_buffer;
- lv2midi_put_event(&state, (double)ev.time, ev.size, ev.buffer);
- }
+ jack_midi_event_get(&ev, jack_buffer, e, nframes);
+
+ state.midi = host->ports[p].midi_buffer;
+ lv2midi_put_event(&state, (double)ev.time, ev.size, ev.buffer);
}
+ } else if (host->ports[p].class == SLV2_MIDI_OUTPUT) {
+
+ LV2_MIDIState state;
+ lv2midi_reset_state(&state, host->ports[p].midi_buffer, nframes);
+ lv2midi_reset_buffer(state.midi);
}
}
@@ -303,8 +278,7 @@ jack_process_cb(jack_nframes_t nframes, void* data)
/* Deliver output */
for (uint32_t p=0; p < host->num_ports; ++p) {
if (host->ports[p].jack_port
- && host->ports[p].type == MIDI
- && host->ports[p].direction == OUTPUT) {
+ && host->ports[p].class == SLV2_MIDI_OUTPUT) {
void* jack_buffer = jack_port_get_buffer(host->ports[p].jack_port, nframes);
generated by cgit v1.2.1 (git 2.18.0) at 2024-07-05 20:38:35 +0000