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Actually implement auto-connection, and document it.

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This commit is contained in:
Jörn Nettingsmeier
2019-02-16 18:45:51 +00:00
parent 4f39e0d830
commit 97370d8bce
2 changed files with 43 additions and 9 deletions
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audio_jack.c
+35 -7
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@@ -20,6 +20,7 @@
#include "audio.h"
#include "common.h"
#include <stdlib.h>
#include <errno.h>
#include <limits.h>
#include <pthread.h>
@@ -156,6 +157,7 @@ static void info(const char *desc) {
}
int jack_init(__attribute__((unused)) int argc, __attribute__((unused)) char **argv) {
int i;
config.audio_backend_latency_offset = 0;
config.audio_backend_buffer_desired_length = 0.500;
config.audio_backend_buffer_interpolation_threshold_in_seconds =
@@ -206,7 +208,7 @@ int jack_init(__attribute__((unused)) int argc, __attribute__((unused)) char **a
jack_set_error_function(&error);
jack_set_info_function(&info);
for (int i=0; i < NPORTS; i++) {
for (i=0; i < NPORTS; i++) {
port[i] = jack_port_register(client, port_name[i], JACK_DEFAULT_AUDIO_TYPE,
JackPortIsOutput, 0);
}
@@ -218,14 +220,40 @@ int jack_init(__attribute__((unused)) int argc, __attribute__((unused)) char **a
if (config.jack_autoconnect_pattern != NULL) {
debug(1, "config.jack_autoconnect_pattern is %s.", config.jack_autoconnect_pattern);
const char** port_list = jack_get_ports(client, config.jack_autoconnect_pattern, JACK_DEFAULT_AUDIO_TYPE, JackPortIsInput);
while (*port_list != NULL) {
debug(1, "Found matching JACK port %s.", *port_list);
port_list++;
// FIXME: implement actual connection, warn user if more than 2 hits.
const char** port_list = jack_get_ports(client, config.jack_autoconnect_pattern,
JACK_DEFAULT_AUDIO_TYPE, JackPortIsInput);
for (i=0; i<NPORTS ; i++) {
char* full_port_name[NPORTS];
full_port_name[i] = malloc(sizeof(char) * jack_port_name_size());
sprintf(full_port_name[i], "%s:%s", config.jack_client_name, port_name[i]);
if (port_list[i] != NULL) {
int err;
debug(1, "Connecting %s to %s.", full_port_name[i], port_list[i]);
err = jack_connect(client, full_port_name[i], port_list[i]);
switch (err) {
case EEXIST:
inform("The requested connection from %s to %s already exists.",
full_port_name[i], port_list[i]);
break;
case 0:
// success
break;
default:
inform("JACK error no. %d occured while trying to connect %s to %s.",
err, full_port_name[i], port_list[i]);
break;
}
} else {
inform("No matching port found in %s to connect %s to. You may not hear audio.",
config.jack_autoconnect_pattern, full_port_name[i]);
}
free(full_port_name[i]);
}
while (port_list[i++] != NULL) {
inform("Additional matching port %s found. Check that the connections are what you intended.");
}
jack_free(port_list);
}
pthread_mutex_unlock(&client_mutex);
return 0;