latency fix, plus latency output from jack_lsp

git-svn-id: svn+ssh://jackaudio.org/trunk/jack@279 0c269be4-1314-0410-8aa9-9f06e86f4224

configure.in

@@ -14,7 +14,7 @@ dnl                 changes are made
 dnl ---
 JACK_MAJOR_VERSION=0
 JACK_MINOR_VERSION=41
-JACK_MICRO_VERSION=0
+JACK_MICRO_VERSION=1
 
 dnl ---
 dnl HOWTO: updating the libjack interface version
@@ -31,8 +31,8 @@ dnl slacker than this, and closer to those for the JACK version
 dnl number.
 dnl ---
 JACK_API_CURRENT=0
-JACK_API_REVISION=6
-JACK_API_AGE=0
+JACK_API_REVISION=7
+JACK_API_AGE=1
 
 AC_SUBST(JACK_MAJOR_VERSION)
 AC_SUBST(JACK_MINOR_VERSION)

example-clients/lsp.c

@@ -12,11 +12,15 @@ main (int argc, char *argv[])
 	const char **ports, **connections;
 	unsigned int i, j;
 	int show_con = 0;
+	int show_latency = 0;
 
 	for (i = 1; i < argc; i++) {
 		if (!strcmp(argv[i], "-c")) {
 			show_con = 1;
 		}
+		if (!strcmp(argv[i], "-l")) {
+			show_latency = 1;
+		}
 	}
 
 	/* try to become a client of the JACK server */
@@ -38,6 +42,13 @@ main (int argc, char *argv[])
 				free (connections);
 			}
 		}
+		if (show_latency) {
+			jack_port_t *port = jack_port_by_name (client, ports[i]);
+			if (port) {
+				printf ("	latency = %lu frames\n", jack_port_get_total_latency (client, port));
+				free (port);
+			}
+		}
 	}
 	
 	jack_client_close (client);

jackd/engine.c

@@ -2401,8 +2401,7 @@ jack_get_port_total_latency (jack_engine_t *engine, jack_port_internal_t *port,
 
 		
 		if ((toward_port && (connection->source->shared == port->shared)) ||
-		    /* !toward_port is implicit */
-		    (connection->destination->shared == port->shared)) {
+		    (!toward_port && (connection->destination->shared == port->shared))) {
 			continue;
 		}
 
@@ -2448,10 +2447,10 @@ jack_compute_all_port_total_latencies (jack_engine_t *engine)
 
 	for (i = 0; i < engine->control->port_max; i++) {
 		if (shared[i].in_use) {
-			if (shared->flags & JackPortIsOutput) {
-				toward_port = TRUE;
-			} else {
+			if (shared[i].flags & JackPortIsOutput) {
 				toward_port = FALSE;
+			} else {
+				toward_port = TRUE;
 			}
 			shared[i].total_latency = jack_get_port_total_latency (engine, &engine->internal_ports[i], 0, toward_port);
 		}