diff options
Diffstat (limited to 'jack-connect.c')
| -rw-r--r-- | jack-connect.c | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/jack-connect.c b/jack-connect.c new file mode 100644 index 0000000..d8275d6 --- /dev/null +++ b/jack-connect.c @@ -0,0 +1,180 @@ +/* jack utility externals for linux pd + * copyright 2003 Gerard van Dongen gml@xs4all.nl + * + * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * jack-connect + * this can query and set the port connections on the jack system + */ + +#include "libjackx.h" +#include "m_pd.h" + +#include <unistd.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <sys/ioctl.h> +#include <jack/jack.h> + + +static t_class *jackconnect_class; + +typedef struct _jackconnect +{ + t_object x_obj; + t_symbol *input_client,*input_port, *output_client,*output_port; + char source[128],destination[128]; //ought to be enough for most names + int connected; +} t_jackconnect; + +static jack_client_t *jc; + + +static void jackconnect_getnames(t_jackconnect *x) +{ + char* to = x->source; + to = (char*)stpcpy( to, x->output_client->s_name); + to = (char*)stpcpy(to,":"); + to = (char*)stpcpy(to, x->output_port->s_name); + to = x->destination; + to = (char*)stpcpy(to, x->input_client->s_name); + to = (char*)stpcpy(to,":"); + to = (char*)stpcpy(to, x->input_port->s_name); + +} + +static void jackconnect_connect(t_jackconnect *x) +{ + if (jc) + { + jackconnect_getnames(x); + logpost(x, 3, "connecting %s with %s", x->source, x->destination); + if (!jack_connect(jc, x->source, x->destination)) + { + x->connected = 1; + outlet_float(x->x_obj.ob_outlet, x->connected); + } + } +} + +static void jackconnect_disconnect(t_jackconnect *x) +{ + if (jc) + { + jackconnect_getnames(x); + if (!jack_disconnect(jc, x->source, x->destination)) + { + x->connected = 0; + outlet_float(x->x_obj.ob_outlet, x->connected); + } + logpost(x, 3, "disconnecting %s with %s", x->source, x->destination); + } +} + +static void jackconnect_toggle(t_jackconnect *x) +{ + if (jc) + { + jackconnect_getnames(x); + logpost(x, 3, "toggling connection %s with %s", x->source, x->destination); + if (jack_disconnect(jc, x->source, x->destination)) + { + jack_connect(jc, x->source, x->destination); + x->connected = 1; + } + else + { + x->connected = 0; + } + outlet_float(x->x_obj.ob_outlet, x->connected); + } +} + +static void jackconnect_query(t_jackconnect *x) +{ + if (jc) + { + const char **ports; + int n=0; + jackconnect_getnames(x); + logpost(x, 3, "querying connection %s with %s", x->source, x->destination); + + ports = jack_port_get_all_connections(jc,(jack_port_t *)jack_port_by_name(jc, x->source)); + x->connected = 0; + + if(ports) + { + while (ports[n]) + { + logpost(x, 4, "n = %i", n); + if (!strcmp(ports[n], x->destination)) + { + x->connected = 1; + break; + } + n++; + + } + free(ports); + } + outlet_float(x->x_obj.ob_outlet, x->connected); + } +} + +static void *jackconnect_new(void) +{ + t_jackconnect * x = (t_jackconnect *)pd_new(jackconnect_class); + + outlet_new(&x->x_obj, &s_float); + symbolinlet_new(&x->x_obj, &x->output_client); + symbolinlet_new(&x->x_obj, &x->output_port); + symbolinlet_new(&x->x_obj, &x->input_client); + symbolinlet_new(&x->x_obj, &x->input_port); + + /* to prevent segfaults put default names in the client/port variables */ + x->input_client = gensym("none"); + x->input_port = gensym("none"); + x->output_client = gensym("none"); + x->output_port = gensym("none"); + x->connected = 0; + jackconnect_getnames(x); + + return (void*)x; +} + +static void setup(void) +{ + jc = jackx_get_jack_client(); + + jackconnect_class = class_new(gensym("jack-connect"), + (t_newmethod)jackconnect_new, + 0, + sizeof(t_jackconnect), + CLASS_DEFAULT, + 0); + + class_addmethod(jackconnect_class, (t_method)jackconnect_connect, gensym("connect"),0); + class_addmethod(jackconnect_class, (t_method)jackconnect_disconnect, gensym("disconnect"),0); + class_addmethod(jackconnect_class, (t_method)jackconnect_toggle, gensym("toggle"),0); + class_addmethod(jackconnect_class, (t_method)jackconnect_query, gensym("query"),0); + class_addbang(jackconnect_class, (t_method)jackconnect_toggle); +} + +void setup_jack0x2dconnect(void) +{ + setup(); +} |