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register effect buffers at jack

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This commit is contained in:
derselbst 2017-07-28 14:43:19 +02:00
parent 5569358f42
commit aba36a6ea5
1 changed files with 60 additions and 3 deletions
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63
fluidsynth/src/drivers/fluid_jack.c
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@ -60,10 +60,17 @@ struct _fluid_jack_audio_driver_t
{
fluid_audio_driver_t driver;
fluid_jack_client_t *client_ref;
int audio_channels;
jack_port_t **output_ports;
int num_output_ports;
float **output_bufs;
jack_port_t **fx_ports;
int num_fx_ports;
float **fx_bufs;
fluid_audio_func_t callback;
void* data;
};
@ -272,6 +279,7 @@ fluid_jack_client_register_ports (void *driver, int isaudio, jack_client_t *clie
{
/* create the two audio output ports */
dev->num_output_ports = 1;
dev->num_fx_ports = 0;
dev->output_ports = FLUID_ARRAY (jack_port_t*, 2 * dev->num_output_ports);
@ -323,6 +331,32 @@ fluid_jack_client_register_ports (void *driver, int isaudio, jack_client_t *clie
dev->output_ports[2 * i + 1]
= jack_port_register (client, name, JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, 0);
}
fluid_settings_getint (settings, "synth.effects-channels", &dev->num_fx_ports);
dev->fx_ports = FLUID_ARRAY(jack_port_t*, 2 * dev->num_fx_ports);
if (dev->fx_ports == NULL) {
FLUID_LOG(FLUID_PANIC, "Out of memory");
return FLUID_FAILED;
}
dev->fx_bufs = FLUID_ARRAY(float*, 2 * dev->num_fx_ports);
if (dev->fx_bufs == NULL) {
FLUID_LOG(FLUID_PANIC, "Out of memory");
return FLUID_FAILED;
}
FLUID_MEMSET(dev->fx_ports, 0, 2 * dev->num_fx_ports * sizeof(jack_port_t*));
for (i = 0; i < dev->num_fx_ports; i++) {
sprintf(name, "fx_l_%02d", i);
dev->fx_ports[2 * i]
= jack_port_register(client, name, JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, 0);
sprintf(name, "fx_r_%02d", i);
dev->fx_ports[2 * i + 1]
= jack_port_register(client, name, JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, 0);
}
}
@ -432,6 +466,15 @@ new_fluid_jack_audio_driver2(fluid_settings_t* settings, fluid_audio_func_t func
connected++;
}
}
for (i = 0; jack_ports[i] && i<2 * dev->num_fx_ports; ++i) {
err = jack_connect (client, jack_port_name(dev->fx_ports[i]), jack_ports[i]);
if (err) {
FLUID_LOG(FLUID_ERR, "Error connecting jack port");
} else {
connected++;
}
}
jack_free (jack_ports); /* free jack ports array (not the port values!) */
} else {
@ -461,6 +504,12 @@ delete_fluid_jack_audio_driver(fluid_audio_driver_t* p)
if (dev->output_ports)
FLUID_FREE (dev->output_ports);
if (dev->fx_bufs)
FLUID_FREE(dev->fx_bufs);
if (dev->fx_ports)
FLUID_FREE(dev->fx_ports);
FLUID_FREE(dev);
return 0;
}
@ -517,7 +566,7 @@ fluid_jack_driver_process (jack_nframes_t nframes, void *arg)
2 * audio_driver->num_output_ports,
audio_driver->output_bufs);
}
else if (audio_driver->num_output_ports == 1)
else if (audio_driver->num_output_ports == 1 && audio_driver->num_fx_ports == 0) /* i.e. audio.jack.multi=no */
{
left = (float*) jack_port_get_buffer (audio_driver->output_ports[0], nframes);
right = (float*) jack_port_get_buffer (audio_driver->output_ports[1], nframes);
@ -530,9 +579,17 @@ fluid_jack_driver_process (jack_nframes_t nframes, void *arg)
audio_driver->output_bufs[i] = (float *)jack_port_get_buffer (audio_driver->output_ports[2*i], nframes);
audio_driver->output_bufs[k] = (float *)jack_port_get_buffer (audio_driver->output_ports[2*i+1], nframes);
}
for (i = 0, k = audio_driver->num_fx_ports; i < audio_driver->num_fx_ports; i++, k++) {
audio_driver->fx_bufs[i] = (float*) jack_port_get_buffer(audio_driver->fx_ports[2*i], nframes);
audio_driver->fx_bufs[k] = (float*) jack_port_get_buffer(audio_driver->fx_ports[2*i+1], nframes);
}
fluid_synth_nwrite_float (audio_driver->data, nframes, audio_driver->output_bufs,
audio_driver->output_bufs + audio_driver->num_output_ports, NULL, NULL);
fluid_synth_nwrite_float (audio_driver->data,
nframes,
audio_driver->output_bufs,
audio_driver->output_bufs + audio_driver->num_output_ports,
audio_driver->fx_bufs,
audio_driver->fx_bufs + audio_driver->num_fx_ports);
}
return 0;