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Diffstat (limited to 'example-clients/connect.c')
| -rw-r--r-- | example-clients/connect.c | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/example-clients/connect.c b/example-clients/connect.c new file mode 100644 index 00000000..c9713124 --- /dev/null +++ b/example-clients/connect.c @@ -0,0 +1,141 @@ +/* + Copyright (C) 2002 Jeremy Hall + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + + $Id: connect.c,v 1.1.2.1 2006/06/05 16:54:55 letz Exp $ +*/ + +#include <stdio.h> +#include <errno.h> +#ifndef WIN32 +#include <unistd.h> +#endif +#include <string.h> +#include <stdlib.h> +#include <math.h> + + +#include "jack.h" + +jack_port_t *input_port; +jack_port_t *output_port; +int connecting, disconnecting; +#define TRUE 1 +#define FALSE 0 + +int +main (int argc, char *argv[]) + +{ + jack_client_t* client = NULL; + char *my_name = strrchr(argv[0], '/'); + connecting = disconnecting = FALSE; + if (my_name == 0) { + my_name = argv[0]; + } else { + my_name ++; + } + + printf("name %s\n", my_name); + + if (strstr(my_name, "jack_disconnect")) { + disconnecting = TRUE; + } else + if (strstr(my_name, "jack_connect")) { + connecting = TRUE; + } else { + fprintf(stderr, "ERROR! client should be called jack_connect or jack_disconnect. client is called %s\n", my_name); + //return 1; + goto error; + } + + printf("connecting %ld\n",connecting); + + if (argc != 3) { + fprintf (stderr, "usage: %s <src_port> <dst_port>\n", my_name); + fprintf(stderr, "The source port must be an output port of the source client.\n"); + fprintf (stderr, "The destination port must be an input port of the destination client.\n"); + //return 1; + goto error; + } + + /* try to become a client of the JACK server */ + + if ((client = jack_client_new (my_name)) == 0) { + fprintf (stderr, "jack server not running?\n"); + //return 1; + goto error; + } + + /* display the current sample rate. once the client is activated + (see below), you should rely on your own sample rate + callback (see above) for this value. + */ + +// printf ("engine sample rate: %" PRIu32 "\n",jack_get_sample_rate (client)); + + /* find the two ports */ + + if ((input_port = jack_port_by_name(client, argv[1])) == 0) { + fprintf (stderr, "ERROR %s not a valid port\n", argv[1]); + goto error; + } + if ((output_port = jack_port_by_name(client, argv[2])) == 0) { + fprintf (stderr, "ERROR %s not a valid port\n", argv[2]); + goto error; + } + + /* tell the JACK server that we are ready to roll */ + + if (jack_activate (client)) { + fprintf (stderr, "cannot activate client"); + goto error; + } + + /* connect the ports. Note: you can't do this before + the client is activated (this may change in the future). + */ + + /* jack_port_connect not yet implemented + if (jack_port_connect(client, input_port, output_port)) { + fprintf (stderr, "cannot connect ports\n"); + } + */ + if (connecting) { + printf("connecting %s %s\n",jack_port_name(input_port), jack_port_name(output_port)); + + if (jack_connect(client, jack_port_name(input_port), jack_port_name(output_port))) { + fprintf (stderr, "cannot connect ports\n"); + goto error; + } + } + if (disconnecting) { + printf("disconnecting %s %s\n",jack_port_name(input_port), jack_port_name(output_port)); + + if (jack_disconnect(client, jack_port_name(input_port), jack_port_name(output_port))) { + fprintf (stderr, "cannot disconnect ports\n"); + goto error; + } + } + //jack_deactivate (client); + jack_client_close (client); + return 0; + +error: + if (client) jack_client_close (client); + return 1; +} + |