Commit 737460900d9c798183bc786316dff6a6e5adf786
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midi vivian
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| @@ -0,0 +1,83 @@ | @@ -0,0 +1,83 @@ | ||
| 1 | +#include <stdio.h> | ||
| 2 | +#include <stdlib.h> | ||
| 3 | +#include <stdarg.h> | ||
| 4 | +#include <string.h> | ||
| 5 | +#include <signal.h> | ||
| 6 | +#include <getopt.h> | ||
| 7 | +#include <sys/poll.h> | ||
| 8 | +#include <alsa/asoundlib.h> | ||
| 9 | + | ||
| 10 | + | ||
| 11 | + | ||
| 12 | +#define NUM_PORT 24 | ||
| 13 | + | ||
| 14 | +static snd_seq_t *seq; | ||
| 15 | + | ||
| 16 | +static void init_seq(void) | ||
| 17 | +{ | ||
| 18 | + int err; | ||
| 19 | + | ||
| 20 | + /* open sequencer */ | ||
| 21 | + err = snd_seq_open(&seq, "default", SND_SEQ_OPEN_DUPLEX, 0); | ||
| 22 | + if (err<0) printf("open sequencer"); | ||
| 23 | + | ||
| 24 | + /* set our client's name */ | ||
| 25 | + err = snd_seq_set_client_name(seq, "analyseurmidi"); | ||
| 26 | + if (err<0) printf("set client name"); | ||
| 27 | +} | ||
| 28 | + | ||
| 29 | +static void create_port(void) | ||
| 30 | +{ | ||
| 31 | + int err; | ||
| 32 | + | ||
| 33 | + err = snd_seq_create_simple_port(seq, "analyseurmidi", | ||
| 34 | + SND_SEQ_PORT_CAP_WRITE | | ||
| 35 | + SND_SEQ_PORT_CAP_SUBS_WRITE, | ||
| 36 | + SND_SEQ_PORT_TYPE_MIDI_GENERIC | | ||
| 37 | + SND_SEQ_PORT_TYPE_APPLICATION); | ||
| 38 | + if (err<0) | ||
| 39 | + printf("Port non créé \n"); | ||
| 40 | +} | ||
| 41 | + | ||
| 42 | +static void connect_port(void) | ||
| 43 | +{ | ||
| 44 | + int err; | ||
| 45 | + err = snd_seq_connect_from(seq, 0, NUM_PORT, 0); | ||
| 46 | + if (err < 0) | ||
| 47 | + printf("Impossible de se connecter au port \n"); | ||
| 48 | + | ||
| 49 | +} | ||
| 50 | + | ||
| 51 | + | ||
| 52 | +int main(){ | ||
| 53 | + init_seq(); | ||
| 54 | + struct pollfd *pfds; | ||
| 55 | + int npfds, err; | ||
| 56 | + create_port(); | ||
| 57 | + connect_port(); | ||
| 58 | + | ||
| 59 | + npfds = snd_seq_poll_descriptors_count(seq, POLLIN); | ||
| 60 | + pfds = alloca(sizeof(*pfds) * npfds); | ||
| 61 | + for (;;) { | ||
| 62 | + snd_seq_poll_descriptors(seq, pfds, npfds, POLLIN); | ||
| 63 | + if (poll(pfds, npfds, -1) < 0) | ||
| 64 | + break; | ||
| 65 | + do { | ||
| 66 | + snd_seq_event_t *event; | ||
| 67 | + err = snd_seq_event_input(seq, &event); | ||
| 68 | + if (err < 0) | ||
| 69 | + break; | ||
| 70 | + if (event) | ||
| 71 | + { | ||
| 72 | + if (event->type == SND_SEQ_EVENT_NOTEON) printf("coucou %d\n",event->data.note.note); | ||
| 73 | + } | ||
| 74 | + } while (err > 0); | ||
| 75 | + fflush(stdout); | ||
| 76 | + } | ||
| 77 | + | ||
| 78 | + | ||
| 79 | + | ||
| 80 | + snd_seq_close(seq); | ||
| 81 | + | ||
| 82 | + return 0; | ||
| 83 | +} |
| @@ -0,0 +1,438 @@ | @@ -0,0 +1,438 @@ | ||
| 1 | +/* | ||
| 2 | + * aseqdump.c - show the events received at an ALSA sequencer port | ||
| 3 | + * | ||
| 4 | + * Copyright (c) 2005 Clemens Ladisch <clemens@ladisch.de> | ||
| 5 | + * | ||
| 6 | + * | ||
| 7 | + * This program is free software; you can redistribute it and/or modify | ||
| 8 | + * it under the terms of the GNU General Public License as published by | ||
| 9 | + * the Free Software Foundation; either version 2 of the License, or | ||
| 10 | + * (at your option) any later version. | ||
| 11 | + * | ||
| 12 | + * This program is distributed in the hope that it will be useful, | ||
| 13 | + * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 14 | + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 15 | + * GNU General Public License for more details. | ||
| 16 | + * | ||
| 17 | + * You should have received a copy of the GNU General Public License | ||
| 18 | + * along with this program; if not, write to the Free Software | ||
| 19 | + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
| 20 | + */ | ||
| 21 | + | ||
| 22 | +#include <stdio.h> | ||
| 23 | +#include <stdlib.h> | ||
| 24 | +#include <stdarg.h> | ||
| 25 | +#include <string.h> | ||
| 26 | +#include <signal.h> | ||
| 27 | +#include <getopt.h> | ||
| 28 | +#include <sys/poll.h> | ||
| 29 | +#include <alsa/asoundlib.h> | ||
| 30 | +#include "aconfig.h" | ||
| 31 | +#include "version.h" | ||
| 32 | + | ||
| 33 | +static snd_seq_t *seq; | ||
| 34 | +static int port_count; | ||
| 35 | +static snd_seq_addr_t *ports; | ||
| 36 | +static volatile sig_atomic_t stop = 0; | ||
| 37 | + | ||
| 38 | + | ||
| 39 | +/* prints an error message to stderr, and dies */ | ||
| 40 | +static void fatal(const char *msg, ...) | ||
| 41 | +{ | ||
| 42 | + va_list ap; | ||
| 43 | + | ||
| 44 | + va_start(ap, msg); | ||
| 45 | + vfprintf(stderr, msg, ap); | ||
| 46 | + va_end(ap); | ||
| 47 | + fputc('\n', stderr); | ||
| 48 | + exit(EXIT_FAILURE); | ||
| 49 | +} | ||
| 50 | + | ||
| 51 | +/* memory allocation error handling */ | ||
| 52 | +static void check_mem(void *p) | ||
| 53 | +{ | ||
| 54 | + if (!p) | ||
| 55 | + fatal("Out of memory"); | ||
| 56 | +} | ||
| 57 | + | ||
| 58 | +/* error handling for ALSA functions */ | ||
| 59 | +static void check_snd(const char *operation, int err) | ||
| 60 | +{ | ||
| 61 | + if (err < 0) | ||
| 62 | + fatal("Cannot %s - %s", operation, snd_strerror(err)); | ||
| 63 | +} | ||
| 64 | + | ||
| 65 | +static void init_seq(void) | ||
| 66 | +{ | ||
| 67 | + int err; | ||
| 68 | + | ||
| 69 | + /* open sequencer */ | ||
| 70 | + err = snd_seq_open(&seq, "default", SND_SEQ_OPEN_DUPLEX, 0); | ||
| 71 | + check_snd("open sequencer", err); | ||
| 72 | + | ||
| 73 | + /* set our client's name */ | ||
| 74 | + err = snd_seq_set_client_name(seq, "aseqdump"); | ||
| 75 | + check_snd("set client name", err); | ||
| 76 | +} | ||
| 77 | + | ||
| 78 | +/* parses one or more port addresses from the string */ | ||
| 79 | +static void parse_ports(const char *arg) | ||
| 80 | +{ | ||
| 81 | + char *buf, *s, *port_name; | ||
| 82 | + int err; | ||
| 83 | + | ||
| 84 | + /* make a copy of the string because we're going to modify it */ | ||
| 85 | + buf = strdup(arg); | ||
| 86 | + check_mem(buf); | ||
| 87 | + | ||
| 88 | + for (port_name = s = buf; s; port_name = s + 1) { | ||
| 89 | + /* Assume that ports are separated by commas. We don't use | ||
| 90 | + * spaces because those are valid in client names. */ | ||
| 91 | + s = strchr(port_name, ','); | ||
| 92 | + if (s) | ||
| 93 | + *s = '\0'; | ||
| 94 | + | ||
| 95 | + ++port_count; | ||
| 96 | + ports = realloc(ports, port_count * sizeof(snd_seq_addr_t)); | ||
| 97 | + check_mem(ports); | ||
| 98 | + | ||
| 99 | + err = snd_seq_parse_address(seq, &ports[port_count - 1], port_name); | ||
| 100 | + if (err < 0) | ||
| 101 | + fatal("Invalid port %s - %s", port_name, snd_strerror(err)); | ||
| 102 | + } | ||
| 103 | + | ||
| 104 | + free(buf); | ||
| 105 | +} | ||
| 106 | + | ||
| 107 | +static void create_port(void) | ||
| 108 | +{ | ||
| 109 | + int err; | ||
| 110 | + | ||
| 111 | + err = snd_seq_create_simple_port(seq, "aseqdump", | ||
| 112 | + SND_SEQ_PORT_CAP_WRITE | | ||
| 113 | + SND_SEQ_PORT_CAP_SUBS_WRITE, | ||
| 114 | + SND_SEQ_PORT_TYPE_MIDI_GENERIC | | ||
| 115 | + SND_SEQ_PORT_TYPE_APPLICATION); | ||
| 116 | + check_snd("create port", err); | ||
| 117 | +} | ||
| 118 | + | ||
| 119 | +static void connect_ports(void) | ||
| 120 | +{ | ||
| 121 | + int i, err; | ||
| 122 | + | ||
| 123 | + for (i = 0; i < port_count; ++i) { | ||
| 124 | + err = snd_seq_connect_from(seq, 0, ports[i].client, ports[i].port); | ||
| 125 | + if (err < 0) | ||
| 126 | + fatal("Cannot connect from port %d:%d - %s", | ||
| 127 | + ports[i].client, ports[i].port, snd_strerror(err)); | ||
| 128 | + } | ||
| 129 | +} | ||
| 130 | + | ||
| 131 | +static void dump_event(const snd_seq_event_t *ev) | ||
| 132 | +{ | ||
| 133 | + printf("%3d:%-3d ", ev->source.client, ev->source.port);// source = num du clavier qu'on met ds la ligne de commande; port num usb ? | ||
| 134 | + switch (ev->type) { | ||
| 135 | + case SND_SEQ_EVENT_NOTEON: | ||
| 136 | + if (ev->data.note.velocity) | ||
| 137 | + printf("Note on %2d, note %d, velocity %d\n", | ||
| 138 | + ev->data.note.channel, ev->data.note.note, ev->data.note.velocity); | ||
| 139 | + else | ||
| 140 | + printf("Note off %2d, note %d\n", | ||
| 141 | + ev->data.note.channel, ev->data.note.note); | ||
| 142 | + break; | ||
| 143 | + case SND_SEQ_EVENT_NOTEOFF: | ||
| 144 | + printf("Note off %2d, note %d, velocity %d\n", | ||
| 145 | + ev->data.note.channel, ev->data.note.note, ev->data.note.velocity); | ||
| 146 | + break; | ||
| 147 | + case SND_SEQ_EVENT_KEYPRESS: | ||
| 148 | + printf("Polyphonic aftertouch %2d, note %d, value %d\n", | ||
| 149 | + ev->data.note.channel, ev->data.note.note, ev->data.note.velocity); | ||
| 150 | + break; | ||
| 151 | + case SND_SEQ_EVENT_CONTROLLER: | ||
| 152 | + printf("Control change %2d, controller %d, value %d\n", | ||
| 153 | + ev->data.control.channel, ev->data.control.param, ev->data.control.value); | ||
| 154 | + break; | ||
| 155 | + case SND_SEQ_EVENT_PGMCHANGE: | ||
| 156 | + printf("Program change %2d, program %d\n", | ||
| 157 | + ev->data.control.channel, ev->data.control.value); | ||
| 158 | + break; | ||
| 159 | + case SND_SEQ_EVENT_CHANPRESS: | ||
| 160 | + printf("Channel aftertouch %2d, value %d\n", | ||
| 161 | + ev->data.control.channel, ev->data.control.value); | ||
| 162 | + break; | ||
| 163 | + case SND_SEQ_EVENT_PITCHBEND: | ||
| 164 | + printf("Pitch bend %2d, value %d\n", | ||
| 165 | + ev->data.control.channel, ev->data.control.value); | ||
| 166 | + break; | ||
| 167 | + case SND_SEQ_EVENT_CONTROL14: | ||
| 168 | + printf("Control change %2d, controller %d, value %5d\n", | ||
| 169 | + ev->data.control.channel, ev->data.control.param, ev->data.control.value); | ||
| 170 | + break; | ||
| 171 | + case SND_SEQ_EVENT_NONREGPARAM: | ||
| 172 | + printf("Non-reg. parameter %2d, parameter %d, value %d\n", | ||
| 173 | + ev->data.control.channel, ev->data.control.param, ev->data.control.value); | ||
| 174 | + break; | ||
| 175 | + case SND_SEQ_EVENT_REGPARAM: | ||
| 176 | + printf("Reg. parameter %2d, parameter %d, value %d\n", | ||
| 177 | + ev->data.control.channel, ev->data.control.param, ev->data.control.value); | ||
| 178 | + break; | ||
| 179 | + case SND_SEQ_EVENT_SONGPOS: | ||
| 180 | + printf("Song position pointer value %d\n", | ||
| 181 | + ev->data.control.value); | ||
| 182 | + break; | ||
| 183 | + case SND_SEQ_EVENT_SONGSEL: | ||
| 184 | + printf("Song select value %d\n", | ||
| 185 | + ev->data.control.value); | ||
| 186 | + break; | ||
| 187 | + case SND_SEQ_EVENT_QFRAME: | ||
| 188 | + printf("MTC quarter frame %02xh\n", | ||
| 189 | + ev->data.control.value); | ||
| 190 | + break; | ||
| 191 | + case SND_SEQ_EVENT_TIMESIGN: | ||
| 192 | + // XXX how is this encoded? | ||
| 193 | + printf("SMF time signature (%#010x)\n", | ||
| 194 | + ev->data.control.value); | ||
| 195 | + break; | ||
| 196 | + case SND_SEQ_EVENT_KEYSIGN: | ||
| 197 | + // XXX how is this encoded? | ||
| 198 | + printf("SMF key signature (%#010x)\n", | ||
| 199 | + ev->data.control.value); | ||
| 200 | + break; | ||
| 201 | + case SND_SEQ_EVENT_START: | ||
| 202 | + if (ev->source.client == SND_SEQ_CLIENT_SYSTEM && | ||
| 203 | + ev->source.port == SND_SEQ_PORT_SYSTEM_TIMER) | ||
| 204 | + printf("Queue start queue %d\n", | ||
| 205 | + ev->data.queue.queue); | ||
| 206 | + else | ||
| 207 | + printf("Start\n"); | ||
| 208 | + break; | ||
| 209 | + case SND_SEQ_EVENT_CONTINUE: | ||
| 210 | + if (ev->source.client == SND_SEQ_CLIENT_SYSTEM && | ||
| 211 | + ev->source.port == SND_SEQ_PORT_SYSTEM_TIMER) | ||
| 212 | + printf("Queue continue queue %d\n", | ||
| 213 | + ev->data.queue.queue); | ||
| 214 | + else | ||
| 215 | + printf("Continue\n"); | ||
| 216 | + break; | ||
| 217 | + case SND_SEQ_EVENT_STOP: | ||
| 218 | + if (ev->source.client == SND_SEQ_CLIENT_SYSTEM && | ||
| 219 | + ev->source.port == SND_SEQ_PORT_SYSTEM_TIMER) | ||
| 220 | + printf("Queue stop queue %d\n", | ||
| 221 | + ev->data.queue.queue); | ||
| 222 | + else | ||
| 223 | + printf("Stop\n"); | ||
| 224 | + break; | ||
| 225 | + case SND_SEQ_EVENT_SETPOS_TICK: | ||
| 226 | + printf("Set tick queue pos. queue %d\n", ev->data.queue.queue); | ||
| 227 | + break; | ||
| 228 | + case SND_SEQ_EVENT_SETPOS_TIME: | ||
| 229 | + printf("Set rt queue pos. queue %d\n", ev->data.queue.queue); | ||
| 230 | + break; | ||
| 231 | + case SND_SEQ_EVENT_TEMPO: | ||
| 232 | + printf("Set queue tempo queue %d\n", ev->data.queue.queue); | ||
| 233 | + break; | ||
| 234 | + case SND_SEQ_EVENT_CLOCK: | ||
| 235 | + printf("Clock\n"); | ||
| 236 | + break; | ||
| 237 | + case SND_SEQ_EVENT_TICK: | ||
| 238 | + printf("Tick\n"); | ||
| 239 | + break; | ||
| 240 | + case SND_SEQ_EVENT_QUEUE_SKEW: | ||
| 241 | + printf("Queue timer skew queue %d\n", ev->data.queue.queue); | ||
| 242 | + break; | ||
| 243 | + case SND_SEQ_EVENT_TUNE_REQUEST: | ||
| 244 | + printf("Tune request\n"); | ||
| 245 | + break; | ||
| 246 | + case SND_SEQ_EVENT_RESET: | ||
| 247 | + printf("Reset\n"); | ||
| 248 | + break; | ||
| 249 | + case SND_SEQ_EVENT_SENSING: | ||
| 250 | + printf("Active Sensing\n"); | ||
| 251 | + break; | ||
| 252 | + case SND_SEQ_EVENT_CLIENT_START: | ||
| 253 | + printf("Client start client %d\n", | ||
| 254 | + ev->data.addr.client); | ||
| 255 | + break; | ||
| 256 | + case SND_SEQ_EVENT_CLIENT_EXIT: | ||
| 257 | + printf("Client exit client %d\n", | ||
| 258 | + ev->data.addr.client); | ||
| 259 | + break; | ||
| 260 | + case SND_SEQ_EVENT_CLIENT_CHANGE: | ||
| 261 | + printf("Client changed client %d\n", | ||
| 262 | + ev->data.addr.client); | ||
| 263 | + break; | ||
| 264 | + case SND_SEQ_EVENT_PORT_START: | ||
| 265 | + printf("Port start %d:%d\n", | ||
| 266 | + ev->data.addr.client, ev->data.addr.port); | ||
| 267 | + break; | ||
| 268 | + case SND_SEQ_EVENT_PORT_EXIT: | ||
| 269 | + printf("Port exit %d:%d\n", | ||
| 270 | + ev->data.addr.client, ev->data.addr.port); | ||
| 271 | + break; | ||
| 272 | + case SND_SEQ_EVENT_PORT_CHANGE: | ||
| 273 | + printf("Port changed %d:%d\n", | ||
| 274 | + ev->data.addr.client, ev->data.addr.port); | ||
| 275 | + break; | ||
| 276 | + case SND_SEQ_EVENT_PORT_SUBSCRIBED: | ||
| 277 | + printf("Port subscribed %d:%d -> %d:%d\n", | ||
| 278 | + ev->data.connect.sender.client, ev->data.connect.sender.port, | ||
| 279 | + ev->data.connect.dest.client, ev->data.connect.dest.port); | ||
| 280 | + break; | ||
| 281 | + case SND_SEQ_EVENT_PORT_UNSUBSCRIBED: | ||
| 282 | + printf("Port unsubscribed %d:%d -> %d:%d\n", | ||
| 283 | + ev->data.connect.sender.client, ev->data.connect.sender.port, | ||
| 284 | + ev->data.connect.dest.client, ev->data.connect.dest.port); | ||
| 285 | + break; | ||
| 286 | + case SND_SEQ_EVENT_SYSEX: | ||
| 287 | + { | ||
| 288 | + unsigned int i; | ||
| 289 | + printf("System exclusive "); | ||
| 290 | + for (i = 0; i < ev->data.ext.len; ++i) | ||
| 291 | + printf(" %02X", ((unsigned char*)ev->data.ext.ptr)[i]); | ||
| 292 | + printf("\n"); | ||
| 293 | + } | ||
| 294 | + break; | ||
| 295 | + default: | ||
| 296 | + printf("Event type %d\n", ev->type); | ||
| 297 | + } | ||
| 298 | +} | ||
| 299 | + | ||
| 300 | +static void list_ports(void) | ||
| 301 | +{ | ||
| 302 | + snd_seq_client_info_t *cinfo; | ||
| 303 | + snd_seq_port_info_t *pinfo; | ||
| 304 | + | ||
| 305 | + snd_seq_client_info_alloca(&cinfo); | ||
| 306 | + snd_seq_port_info_alloca(&pinfo); | ||
| 307 | + | ||
| 308 | + puts(" Port Client name Port name"); | ||
| 309 | + | ||
| 310 | + snd_seq_client_info_set_client(cinfo, -1); | ||
| 311 | + while (snd_seq_query_next_client(seq, cinfo) >= 0) { | ||
| 312 | + int client = snd_seq_client_info_get_client(cinfo); | ||
| 313 | + | ||
| 314 | + snd_seq_port_info_set_client(pinfo, client); | ||
| 315 | + snd_seq_port_info_set_port(pinfo, -1); | ||
| 316 | + while (snd_seq_query_next_port(seq, pinfo) >= 0) { | ||
| 317 | + /* we need both READ and SUBS_READ */ | ||
| 318 | + if ((snd_seq_port_info_get_capability(pinfo) | ||
| 319 | + & (SND_SEQ_PORT_CAP_READ | SND_SEQ_PORT_CAP_SUBS_READ)) | ||
| 320 | + != (SND_SEQ_PORT_CAP_READ | SND_SEQ_PORT_CAP_SUBS_READ)) | ||
| 321 | + continue; | ||
| 322 | + printf("%3d:%-3d %-32.32s %s\n", | ||
| 323 | + snd_seq_port_info_get_client(pinfo), | ||
| 324 | + snd_seq_port_info_get_port(pinfo), | ||
| 325 | + snd_seq_client_info_get_name(cinfo), | ||
| 326 | + snd_seq_port_info_get_name(pinfo)); | ||
| 327 | + } | ||
| 328 | + } | ||
| 329 | +} | ||
| 330 | + | ||
| 331 | +static void help(const char *argv0) | ||
| 332 | +{ | ||
| 333 | + printf("Usage: %s [options]\n" | ||
| 334 | + "\nAvailable options:\n" | ||
| 335 | + " -h,--help this help\n" | ||
| 336 | + " -V,--version show version\n" | ||
| 337 | + " -l,--list list input ports\n" | ||
| 338 | + " -p,--port=client:port,... source port(s)\n", | ||
| 339 | + argv0); | ||
| 340 | +} | ||
| 341 | + | ||
| 342 | +static void version(void) | ||
| 343 | +{ | ||
| 344 | + puts("aseqdump version " SND_UTIL_VERSION_STR); | ||
| 345 | +} | ||
| 346 | + | ||
| 347 | +static void sighandler(int sig) | ||
| 348 | +{ | ||
| 349 | + stop = 1; | ||
| 350 | +} | ||
| 351 | + | ||
| 352 | +int main(int argc, char *argv[]) | ||
| 353 | +{ | ||
| 354 | + static const char short_options[] = "hVlp:"; | ||
| 355 | + static const struct option long_options[] = { | ||
| 356 | + {"help", 0, NULL, 'h'}, | ||
| 357 | + {"version", 0, NULL, 'V'}, | ||
| 358 | + {"list", 0, NULL, 'l'}, | ||
| 359 | + {"port", 1, NULL, 'p'}, | ||
| 360 | + { } | ||
| 361 | + }; | ||
| 362 | + | ||
| 363 | + int do_list = 0; | ||
| 364 | + struct pollfd *pfds; | ||
| 365 | + int npfds; | ||
| 366 | + int c, err; | ||
| 367 | + | ||
| 368 | + init_seq(); | ||
| 369 | + // Gere les options de la ligne de commande | ||
| 370 | + while ((c = getopt_long(argc, argv, short_options, | ||
| 371 | + long_options, NULL)) != -1) { | ||
| 372 | + switch (c) { | ||
| 373 | + case 'h': | ||
| 374 | + help(argv[0]); | ||
| 375 | + return 0; | ||
| 376 | + case 'V': | ||
| 377 | + version(); | ||
| 378 | + return 0; | ||
| 379 | + case 'l': | ||
| 380 | + do_list = 1; | ||
| 381 | + break; | ||
| 382 | + case 'p': | ||
| 383 | + parse_ports(optarg);//optarg = l'option | ||
| 384 | + break; | ||
| 385 | + default: | ||
| 386 | + help(argv[0]); | ||
| 387 | + return 1; | ||
| 388 | + } | ||
| 389 | + } | ||
| 390 | + if (optind < argc) { | ||
| 391 | + help(argv[0]); | ||
| 392 | + return 1; | ||
| 393 | + } | ||
| 394 | + | ||
| 395 | + if (do_list) { | ||
| 396 | + list_ports(); | ||
| 397 | + return 0; | ||
| 398 | + } | ||
| 399 | + | ||
| 400 | + create_port(); | ||
| 401 | + connect_ports(); | ||
| 402 | + | ||
| 403 | + err = snd_seq_nonblock(seq, 1); | ||
| 404 | + check_snd("set nonblock mode", err); | ||
| 405 | + | ||
| 406 | + if (port_count > 0) | ||
| 407 | + printf("Waiting for data."); | ||
| 408 | + else | ||
| 409 | + printf("Waiting for data at port %d:0.", | ||
| 410 | + snd_seq_client_id(seq)); | ||
| 411 | + printf(" Press Ctrl+C to end.\n"); | ||
| 412 | + printf("Source Event Ch Data\n"); | ||
| 413 | + | ||
| 414 | + signal(SIGINT, sighandler); | ||
| 415 | + signal(SIGTERM, sighandler); | ||
| 416 | + | ||
| 417 | + npfds = snd_seq_poll_descriptors_count(seq, POLLIN); | ||
| 418 | + pfds = alloca(sizeof(*pfds) * npfds); | ||
| 419 | + for (;;) { | ||
| 420 | + snd_seq_poll_descriptors(seq, pfds, npfds, POLLIN); | ||
| 421 | + if (poll(pfds, npfds, -1) < 0) | ||
| 422 | + break; | ||
| 423 | + do { | ||
| 424 | + snd_seq_event_t *event; | ||
| 425 | + err = snd_seq_event_input(seq, &event); | ||
| 426 | + if (err < 0) | ||
| 427 | + break; | ||
| 428 | + if (event) | ||
| 429 | + dump_event(event); | ||
| 430 | + } while (err > 0); | ||
| 431 | + fflush(stdout); | ||
| 432 | + if (stop) | ||
| 433 | + break; | ||
| 434 | + } | ||
| 435 | + | ||
| 436 | + snd_seq_close(seq); | ||
| 437 | + return 0; | ||
| 438 | +} |