code.delx.au - pulseaudio/blob - src/utils/pacat.c

   1 /***
   2   This file is part of PulseAudio.
   3
   4   Copyright 2004-2006 Lennart Poettering
   5   Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
   6
   7   PulseAudio is free software; you can redistribute it and/or modify
   8   it under the terms of the GNU Lesser General Public License as published
   9   by the Free Software Foundation; either version 2 of the License,
  10   or (at your option) any later version.
  11
  12   PulseAudio is distributed in the hope that it will be useful, but
  13   WITHOUT ANY WARRANTY; without even the implied warranty of
  14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  15   General Public License for more details.
  16
  17   You should have received a copy of the GNU Lesser General Public License
  18   along with PulseAudio; if not, write to the Free Software
  19   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  20   USA.
  21 ***/
  22
  23 #ifdef HAVE_CONFIG_H
  24 #include <config.h>
  25 #endif
  26
  27 #include <signal.h>
  28 #include <string.h>
  29 #include <errno.h>
  30 #include <unistd.h>
  31 #include <assert.h>
  32 #include <stdio.h>
  33 #include <stdlib.h>
  34 #include <getopt.h>
  35 #include <fcntl.h>
  36 #include <locale.h>
  37
  38 #include <pulse/i18n.h>
  39 #include <pulse/pulseaudio.h>
  40
  41 #define TIME_EVENT_USEC 50000
  42
  43 #define CLEAR_LINE "\x1B[K"
  44
  45 static enum { RECORD, PLAYBACK } mode = PLAYBACK;
  46
  47 static pa_context *context = NULL;
  48 static pa_stream *stream = NULL;
  49 static pa_mainloop_api *mainloop_api = NULL;
  50
  51 static void *buffer = NULL;
  52 static size_t buffer_length = 0, buffer_index = 0;
  53
  54 static pa_io_event* stdio_event = NULL;
  55
  56 static char *stream_name = NULL, *client_name = NULL, *device = NULL;
  57
  58 static int verbose = 0;
  59 static pa_volume_t volume = PA_VOLUME_NORM;
  60 static int volume_is_set = 0;
  61
  62 static pa_sample_spec sample_spec = {
  63     .format = PA_SAMPLE_S16LE,
  64     .rate = 44100,
  65     .channels = 2
  66 };
  67
  68 static pa_channel_map channel_map;
  69 static int channel_map_set = 0;
  70
  71 static pa_stream_flags_t flags = 0;
  72
  73 static size_t latency = 0, process_time=0;
  74
  75 /* A shortcut for terminating the application */
  76 static void quit(int ret) {
  77     assert(mainloop_api);
  78     mainloop_api->quit(mainloop_api, ret);
  79 }
  80
  81 /* Write some data to the stream */
  82 static void do_stream_write(size_t length) {
  83     size_t l;
  84     assert(length);
  85
  86     if (!buffer || !buffer_length)
  87         return;
  88
  89     l = length;
  90     if (l > buffer_length)
  91         l = buffer_length;
  92
  93     if (pa_stream_write(stream, (uint8_t*) buffer + buffer_index, l, NULL, 0, PA_SEEK_RELATIVE) < 0) {
  94         fprintf(stderr, _("pa_stream_write() failed: %s\n"), pa_strerror(pa_context_errno(context)));
  95         quit(1);
  96         return;
  97     }
  98
  99     buffer_length -= l;
 100     buffer_index += l;
 101
 102     if (!buffer_length) {
 103         pa_xfree(buffer);
 104         buffer = NULL;
 105         buffer_index = buffer_length = 0;
 106     }
 107 }
 108
 109 /* This is called whenever new data may be written to the stream */
 110 static void stream_write_callback(pa_stream *s, size_t length, void *userdata) {
 111     assert(s);
 112     assert(length > 0);
 113
 114     if (stdio_event)
 115         mainloop_api->io_enable(stdio_event, PA_IO_EVENT_INPUT);
 116
 117     if (!buffer)
 118         return;
 119
 120     do_stream_write(length);
 121 }
 122
 123 /* This is called whenever new data may is available */
 124 static void stream_read_callback(pa_stream *s, size_t length, void *userdata) {
 125     const void *data;
 126     assert(s);
 127     assert(length > 0);
 128
 129     if (stdio_event)
 130         mainloop_api->io_enable(stdio_event, PA_IO_EVENT_OUTPUT);
 131
 132     if (pa_stream_peek(s, &data, &length) < 0) {
 133         fprintf(stderr, _("pa_stream_peek() failed: %s\n"), pa_strerror(pa_context_errno(context)));
 134         quit(1);
 135         return;
 136     }
 137
 138     assert(data);
 139     assert(length > 0);
 140
 141     if (buffer) {
 142         buffer = pa_xrealloc(buffer, buffer_length + length);
 143         memcpy((uint8_t*) buffer + buffer_length, data, length);
 144         buffer_length += length;
 145     } else {
 146         buffer = pa_xmalloc(length);
 147         memcpy(buffer, data, length);
 148         buffer_length = length;
 149         buffer_index = 0;
 150     }
 151
 152     pa_stream_drop(s);
 153 }
 154
 155 /* This routine is called whenever the stream state changes */
 156 static void stream_state_callback(pa_stream *s, void *userdata) {
 157     assert(s);
 158
 159     switch (pa_stream_get_state(s)) {
 160         case PA_STREAM_CREATING:
 161         case PA_STREAM_TERMINATED:
 162             break;
 163
 164         case PA_STREAM_READY:
 165             if (verbose) {
 166                 const pa_buffer_attr *a;
 167                 char cmt[PA_CHANNEL_MAP_SNPRINT_MAX], sst[PA_SAMPLE_SPEC_SNPRINT_MAX];
 168
 169                 fprintf(stderr, _("Stream successfully created.\n"));
 170
 171                 if (!(a = pa_stream_get_buffer_attr(s)))
 172                     fprintf(stderr, _("pa_stream_get_buffer_attr() failed: %s\n"), pa_strerror(pa_context_errno(pa_stream_get_context(s))));
 173                 else {
 174
 175                     if (mode == PLAYBACK)
 176                         fprintf(stderr, _("Buffer metrics: maxlength=%u, tlength=%u, prebuf=%u, minreq=%u\n"), a->maxlength, a->tlength, a->prebuf, a->minreq);
 177                     else {
 178                         assert(mode == RECORD);
 179                         fprintf(stderr, _("Buffer metrics: maxlength=%u, fragsize=%u\n"), a->maxlength, a->fragsize);
 180                     }
 181                 }
 182
 183                 fprintf(stderr, _("Using sample spec '%s', channel map '%s'.\n"),
 184                         pa_sample_spec_snprint(sst, sizeof(sst), pa_stream_get_sample_spec(s)),
 185                         pa_channel_map_snprint(cmt, sizeof(cmt), pa_stream_get_channel_map(s)));
 186
 187                 fprintf(stderr, _("Connected to device %s (%u, %ssuspended).\n"),
 188                         pa_stream_get_device_name(s),
 189                         pa_stream_get_device_index(s),
 190                         pa_stream_is_suspended(s) ? "" : "not ");
 191             }
 192
 193             break;
 194
 195         case PA_STREAM_FAILED:
 196         default:
 197             fprintf(stderr, _("Stream error: %s\n"), pa_strerror(pa_context_errno(pa_stream_get_context(s))));
 198             quit(1);
 199     }
 200 }
 201
 202 static void stream_suspended_callback(pa_stream *s, void *userdata) {
 203     assert(s);
 204
 205     if (verbose) {
 206         if (pa_stream_is_suspended(s))
 207             fprintf(stderr, _("Stream device suspended.%s \n"), CLEAR_LINE);
 208         else
 209             fprintf(stderr, _("Stream device resumed.%s \n"), CLEAR_LINE);
 210     }
 211 }
 212
 213 static void stream_underflow_callback(pa_stream *s, void *userdata) {
 214     assert(s);
 215
 216     if (verbose)
 217         fprintf(stderr, _("Stream underrun.%s \n"),  CLEAR_LINE);
 218 }
 219
 220 static void stream_overflow_callback(pa_stream *s, void *userdata) {
 221     assert(s);
 222
 223     if (verbose)
 224         fprintf(stderr, _("Stream overrun.%s \n"), CLEAR_LINE);
 225 }
 226
 227 static void stream_started_callback(pa_stream *s, void *userdata) {
 228     assert(s);
 229
 230     if (verbose)
 231         fprintf(stderr, _("Stream started.%s \n"), CLEAR_LINE);
 232 }
 233
 234 static void stream_moved_callback(pa_stream *s, void *userdata) {
 235     assert(s);
 236
 237     if (verbose)
 238         fprintf(stderr, _("Stream moved to device %s (%u, %ssuspended).%s \n"), pa_stream_get_device_name(s), pa_stream_get_device_index(s), pa_stream_is_suspended(s) ? "" : _("not "),  CLEAR_LINE);
 239 }
 240
 241 static void stream_event_callback(pa_stream *s, const char *name, pa_proplist *pl, void *userdata) {
 242     char *t;
 243
 244     assert(s);
 245     assert(name);
 246     assert(pl);
 247
 248     t = pa_proplist_to_string_sep(pl, ", ");
 249     fprintf(stderr, "Got event '%s', properties '%s'\n", name, t);
 250     pa_xfree(t);
 251 }
 252
 253 /* This is called whenever the context status changes */
 254 static void context_state_callback(pa_context *c, void *userdata) {
 255     assert(c);
 256
 257     switch (pa_context_get_state(c)) {
 258         case PA_CONTEXT_CONNECTING:
 259         case PA_CONTEXT_AUTHORIZING:
 260         case PA_CONTEXT_SETTING_NAME:
 261             break;
 262
 263         case PA_CONTEXT_READY: {
 264             int r;
 265             pa_buffer_attr buffer_attr;
 266
 267             assert(c);
 268             assert(!stream);
 269
 270             if (verbose)
 271                 fprintf(stderr, _("Connection established.%s \n"), CLEAR_LINE);
 272
 273             if (!(stream = pa_stream_new(c, stream_name, &sample_spec, channel_map_set ? &channel_map : NULL))) {
 274                 fprintf(stderr, _("pa_stream_new() failed: %s\n"), pa_strerror(pa_context_errno(c)));
 275                 goto fail;
 276             }
 277
 278             pa_stream_set_state_callback(stream, stream_state_callback, NULL);
 279             pa_stream_set_write_callback(stream, stream_write_callback, NULL);
 280             pa_stream_set_read_callback(stream, stream_read_callback, NULL);
 281             pa_stream_set_suspended_callback(stream, stream_suspended_callback, NULL);
 282             pa_stream_set_moved_callback(stream, stream_moved_callback, NULL);
 283             pa_stream_set_underflow_callback(stream, stream_underflow_callback, NULL);
 284             pa_stream_set_overflow_callback(stream, stream_overflow_callback, NULL);
 285             pa_stream_set_started_callback(stream, stream_started_callback, NULL);
 286             pa_stream_set_event_callback(stream, stream_event_callback, NULL);
 287
 288             if (latency > 0) {
 289                 memset(&buffer_attr, 0, sizeof(buffer_attr));
 290                 buffer_attr.tlength = (uint32_t) latency;
 291                 buffer_attr.minreq = (uint32_t) process_time;
 292                 buffer_attr.maxlength = (uint32_t) -1;
 293                 buffer_attr.prebuf = (uint32_t) -1;
 294                 buffer_attr.fragsize = (uint32_t) latency;
 295                 flags |= PA_STREAM_ADJUST_LATENCY;
 296             }
 297
 298             if (mode == PLAYBACK) {
 299                 pa_cvolume cv;
 300                 if ((r = pa_stream_connect_playback(stream, device, latency > 0 ? &buffer_attr : NULL, flags, volume_is_set ? pa_cvolume_set(&cv, sample_spec.channels, volume) : NULL, NULL)) < 0) {
 301                     fprintf(stderr, _("pa_stream_connect_playback() failed: %s\n"), pa_strerror(pa_context_errno(c)));
 302                     goto fail;
 303                 }
 304
 305             } else {
 306                 if ((r = pa_stream_connect_record(stream, device, latency > 0 ? &buffer_attr : NULL, flags)) < 0) {
 307                     fprintf(stderr, _("pa_stream_connect_record() failed: %s\n"), pa_strerror(pa_context_errno(c)));
 308                     goto fail;
 309                 }
 310             }
 311
 312             break;
 313         }
 314
 315         case PA_CONTEXT_TERMINATED:
 316             quit(0);
 317             break;
 318
 319         case PA_CONTEXT_FAILED:
 320         default:
 321             fprintf(stderr, _("Connection failure: %s\n"), pa_strerror(pa_context_errno(c)));
 322             goto fail;
 323     }
 324
 325     return;
 326
 327 fail:
 328     quit(1);
 329
 330 }
 331
 332 /* Connection draining complete */
 333 static void context_drain_complete(pa_context*c, void *userdata) {
 334     pa_context_disconnect(c);
 335 }
 336
 337 /* Stream draining complete */
 338 static void stream_drain_complete(pa_stream*s, int success, void *userdata) {
 339     pa_operation *o;
 340
 341     if (!success) {
 342         fprintf(stderr, _("Failed to drain stream: %s\n"), pa_strerror(pa_context_errno(context)));
 343         quit(1);
 344     }
 345
 346     if (verbose)
 347         fprintf(stderr, _("Playback stream drained.\n"));
 348
 349     pa_stream_disconnect(stream);
 350     pa_stream_unref(stream);
 351     stream = NULL;
 352
 353     if (!(o = pa_context_drain(context, context_drain_complete, NULL)))
 354         pa_context_disconnect(context);
 355     else {
 356         if (verbose)
 357             fprintf(stderr, _("Draining connection to server.\n"));
 358     }
 359 }
 360
 361 /* New data on STDIN **/
 362 static void stdin_callback(pa_mainloop_api*a, pa_io_event *e, int fd, pa_io_event_flags_t f, void *userdata) {
 363     size_t l, w = 0;
 364     ssize_t r;
 365
 366     assert(a == mainloop_api);
 367     assert(e);
 368     assert(stdio_event == e);
 369
 370     if (buffer) {
 371         mainloop_api->io_enable(stdio_event, PA_IO_EVENT_NULL);
 372         return;
 373     }
 374
 375     if (!stream || pa_stream_get_state(stream) != PA_STREAM_READY || !(l = w = pa_stream_writable_size(stream)))
 376         l = 4096;
 377
 378     buffer = pa_xmalloc(l);
 379
 380     if ((r = read(fd, buffer, l)) <= 0) {
 381         if (r == 0) {
 382             if (verbose)
 383                 fprintf(stderr, _("Got EOF.\n"));
 384
 385             if (stream) {
 386                 pa_operation *o;
 387
 388                 if (!(o = pa_stream_drain(stream, stream_drain_complete, NULL))) {
 389                     fprintf(stderr, _("pa_stream_drain(): %s\n"), pa_strerror(pa_context_errno(context)));
 390                     quit(1);
 391                     return;
 392                 }
 393
 394                 pa_operation_unref(o);
 395             } else
 396                 quit(0);
 397
 398         } else {
 399             fprintf(stderr, _("read() failed: %s\n"), strerror(errno));
 400             quit(1);
 401         }
 402
 403         mainloop_api->io_free(stdio_event);
 404         stdio_event = NULL;
 405         return;
 406     }
 407
 408     buffer_length = (uint32_t) r;
 409     buffer_index = 0;
 410
 411     if (w)
 412         do_stream_write(w);
 413 }
 414
 415 /* Some data may be written to STDOUT */
 416 static void stdout_callback(pa_mainloop_api*a, pa_io_event *e, int fd, pa_io_event_flags_t f, void *userdata) {
 417     ssize_t r;
 418
 419     assert(a == mainloop_api);
 420     assert(e);
 421     assert(stdio_event == e);
 422
 423     if (!buffer) {
 424         mainloop_api->io_enable(stdio_event, PA_IO_EVENT_NULL);
 425         return;
 426     }
 427
 428     assert(buffer_length);
 429
 430     if ((r = write(fd, (uint8_t*) buffer+buffer_index, buffer_length)) <= 0) {
 431         fprintf(stderr, _("write() failed: %s\n"), strerror(errno));
 432         quit(1);
 433
 434         mainloop_api->io_free(stdio_event);
 435         stdio_event = NULL;
 436         return;
 437     }
 438
 439     buffer_length -= (uint32_t) r;
 440     buffer_index += (uint32_t) r;
 441
 442     if (!buffer_length) {
 443         pa_xfree(buffer);
 444         buffer = NULL;
 445         buffer_length = buffer_index = 0;
 446     }
 447 }
 448
 449 /* UNIX signal to quit recieved */
 450 static void exit_signal_callback(pa_mainloop_api*m, pa_signal_event *e, int sig, void *userdata) {
 451     if (verbose)
 452         fprintf(stderr, _("Got signal, exiting.\n"));
 453     quit(0);
 454 }
 455
 456 /* Show the current latency */
 457 static void stream_update_timing_callback(pa_stream *s, int success, void *userdata) {
 458     pa_usec_t l, usec;
 459     int negative = 0;
 460
 461     assert(s);
 462
 463     if (!success ||
 464         pa_stream_get_time(s, &usec) < 0 ||
 465         pa_stream_get_latency(s, &l, &negative) < 0) {
 466         fprintf(stderr, _("Failed to get latency: %s\n"), pa_strerror(pa_context_errno(context)));
 467         quit(1);
 468         return;
 469     }
 470
 471     fprintf(stderr, _("Time: %0.3f sec; Latency: %0.0f usec.  \r"),
 472             (float) usec / 1000000,
 473             (float) l * (negative?-1.0f:1.0f));
 474 }
 475
 476 /* Someone requested that the latency is shown */
 477 static void sigusr1_signal_callback(pa_mainloop_api*m, pa_signal_event *e, int sig, void *userdata) {
 478
 479     if (!stream)
 480         return;
 481
 482     pa_operation_unref(pa_stream_update_timing_info(stream, stream_update_timing_callback, NULL));
 483 }
 484
 485 static void time_event_callback(pa_mainloop_api*m, pa_time_event *e, const struct timeval *tv, void *userdata) {
 486     struct timeval next;
 487
 488     if (stream && pa_stream_get_state(stream) == PA_STREAM_READY) {
 489         pa_operation *o;
 490         if (!(o = pa_stream_update_timing_info(stream, stream_update_timing_callback, NULL)))
 491             fprintf(stderr, _("pa_stream_update_timing_info() failed: %s\n"), pa_strerror(pa_context_errno(context)));
 492         else
 493             pa_operation_unref(o);
 494     }
 495
 496     pa_gettimeofday(&next);
 497     pa_timeval_add(&next, TIME_EVENT_USEC);
 498
 499     m->time_restart(e, &next);
 500 }
 501
 502 static void help(const char *argv0) {
 503
 504     printf(_("%s [options]\n\n"
 505            "  -h, --help                            Show this help\n"
 506            "      --version                         Show version\n\n"
 507            "  -r, --record                          Create a connection for recording\n"
 508            "  -p, --playback                        Create a connection for playback\n\n"
 509            "  -v, --verbose                         Enable verbose operations\n\n"
 510            "  -s, --server=SERVER                   The name of the server to connect to\n"
 511            "  -d, --device=DEVICE                   The name of the sink/source to connect to\n"
 512            "  -n, --client-name=NAME                How to call this client on the server\n"
 513            "      --stream-name=NAME                How to call this stream on the server\n"
 514            "      --volume=VOLUME                   Specify the initial (linear) volume in range 0...65536\n"
 515            "      --rate=SAMPLERATE                 The sample rate in Hz (defaults to 44100)\n"
 516            "      --format=SAMPLEFORMAT             The sample type, one of s16le, s16be, u8, float32le,\n"
 517            "                                        float32be, ulaw, alaw, s32le, s32be (defaults to s16ne)\n"
 518            "      --channels=CHANNELS               The number of channels, 1 for mono, 2 for stereo\n"
 519            "                                        (defaults to 2)\n"
 520            "      --channel-map=CHANNELMAP          Channel map to use instead of the default\n"
 521            "      --fix-format                      Take the sample format from the sink the stream is\n"
 522            "                                        being connected to.\n"
 523            "      --fix-rate                        Take the sampling rate from the sink the stream is\n"
 524            "                                        being connected to.\n"
 525            "      --fix-channels                    Take the number of channels and the channel map\n"
 526            "                                        from the sink the stream is being connected to.\n"
 527            "      --no-remix                        Don't upmix or downmix channels.\n"
 528            "      --no-remap                        Map channels by index instead of name.\n"
 529            "      --latency=BYTES                   Request the specified latency in bytes.\n"
 530            "      --process-time=BYTES              Request the specified process time per request in bytes.\n")
 531            ,
 532            argv0);
 533 }
 534
 535 enum {
 536     ARG_VERSION = 256,
 537     ARG_STREAM_NAME,
 538     ARG_VOLUME,
 539     ARG_SAMPLERATE,
 540     ARG_SAMPLEFORMAT,
 541     ARG_CHANNELS,
 542     ARG_CHANNELMAP,
 543     ARG_FIX_FORMAT,
 544     ARG_FIX_RATE,
 545     ARG_FIX_CHANNELS,
 546     ARG_NO_REMAP,
 547     ARG_NO_REMIX,
 548     ARG_LATENCY,
 549     ARG_PROCESS_TIME
 550 };
 551
 552 int main(int argc, char *argv[]) {
 553     pa_mainloop* m = NULL;
 554     int ret = 1, r, c;
 555     char *bn, *server = NULL;
 556     pa_time_event *time_event = NULL;
 557
 558     static const struct option long_options[] = {
 559         {"record",       0, NULL, 'r'},
 560         {"playback",     0, NULL, 'p'},
 561         {"device",       1, NULL, 'd'},
 562         {"server",       1, NULL, 's'},
 563         {"client-name",  1, NULL, 'n'},
 564         {"stream-name",  1, NULL, ARG_STREAM_NAME},
 565         {"version",      0, NULL, ARG_VERSION},
 566         {"help",         0, NULL, 'h'},
 567         {"verbose",      0, NULL, 'v'},
 568         {"volume",       1, NULL, ARG_VOLUME},
 569         {"rate",         1, NULL, ARG_SAMPLERATE},
 570         {"format",       1, NULL, ARG_SAMPLEFORMAT},
 571         {"channels",     1, NULL, ARG_CHANNELS},
 572         {"channel-map",  1, NULL, ARG_CHANNELMAP},
 573         {"fix-format",   0, NULL, ARG_FIX_FORMAT},
 574         {"fix-rate",     0, NULL, ARG_FIX_RATE},
 575         {"fix-channels", 0, NULL, ARG_FIX_CHANNELS},
 576         {"no-remap",     0, NULL, ARG_NO_REMAP},
 577         {"no-remix",     0, NULL, ARG_NO_REMIX},
 578         {"latency",      1, NULL, ARG_LATENCY},
 579         {"process-time", 1, NULL, ARG_PROCESS_TIME},
 580         {NULL,           0, NULL, 0}
 581     };
 582
 583     setlocale(LC_ALL, "");
 584     bindtextdomain(GETTEXT_PACKAGE, PULSE_LOCALEDIR);
 585
 586     if (!(bn = strrchr(argv[0], '/')))
 587         bn = argv[0];
 588     else
 589         bn++;
 590
 591     if (strstr(bn, "rec") || strstr(bn, "mon"))
 592         mode = RECORD;
 593     else if (strstr(bn, "cat") || strstr(bn, "play"))
 594         mode = PLAYBACK;
 595
 596     while ((c = getopt_long(argc, argv, "rpd:s:n:hv", long_options, NULL)) != -1) {
 597
 598         switch (c) {
 599             case 'h' :
 600                 help(bn);
 601                 ret = 0;
 602                 goto quit;
 603
 604             case ARG_VERSION:
 605                 printf(_("pacat %s\nCompiled with libpulse %s\nLinked with libpulse %s\n"), PACKAGE_VERSION, pa_get_headers_version(), pa_get_library_version());
 606                 ret = 0;
 607                 goto quit;
 608
 609             case 'r':
 610                 mode = RECORD;
 611                 break;
 612
 613             case 'p':
 614                 mode = PLAYBACK;
 615                 break;
 616
 617             case 'd':
 618                 pa_xfree(device);
 619                 device = pa_xstrdup(optarg);
 620                 break;
 621
 622             case 's':
 623                 pa_xfree(server);
 624                 server = pa_xstrdup(optarg);
 625                 break;
 626
 627             case 'n':
 628                 pa_xfree(client_name);
 629                 client_name = pa_xstrdup(optarg);
 630                 break;
 631
 632             case ARG_STREAM_NAME:
 633                 pa_xfree(stream_name);
 634                 stream_name = pa_xstrdup(optarg);
 635                 break;
 636
 637             case 'v':
 638                 verbose = 1;
 639                 break;
 640
 641             case ARG_VOLUME: {
 642                 int v = atoi(optarg);
 643                 volume = v < 0 ? 0U : (pa_volume_t) v;
 644                 volume_is_set = 1;
 645                 break;
 646             }
 647
 648             case ARG_CHANNELS:
 649                 sample_spec.channels = (uint8_t) atoi(optarg);
 650                 break;
 651
 652             case ARG_SAMPLEFORMAT:
 653                 sample_spec.format = pa_parse_sample_format(optarg);
 654                 break;
 655
 656             case ARG_SAMPLERATE:
 657                 sample_spec.rate = (uint32_t) atoi(optarg);
 658                 break;
 659
 660             case ARG_CHANNELMAP:
 661                 if (!pa_channel_map_parse(&channel_map, optarg)) {
 662                     fprintf(stderr, _("Invalid channel map '%s'\n"), optarg);
 663                     goto quit;
 664                 }
 665
 666                 channel_map_set = 1;
 667                 break;
 668
 669             case ARG_FIX_CHANNELS:
 670                 flags |= PA_STREAM_FIX_CHANNELS;
 671                 break;
 672
 673             case ARG_FIX_RATE:
 674                 flags |= PA_STREAM_FIX_RATE;
 675                 break;
 676
 677             case ARG_FIX_FORMAT:
 678                 flags |= PA_STREAM_FIX_FORMAT;
 679                 break;
 680
 681             case ARG_NO_REMIX:
 682                 flags |= PA_STREAM_NO_REMIX_CHANNELS;
 683                 break;
 684
 685             case ARG_NO_REMAP:
 686                 flags |= PA_STREAM_NO_REMAP_CHANNELS;
 687                 break;
 688
 689             case ARG_LATENCY:
 690                 if (((latency = (size_t) atoi(optarg))) <= 0) {
 691                     fprintf(stderr, _("Invalid latency specification '%s'\n"), optarg);
 692                     goto quit;
 693                 }
 694                 break;
 695
 696             case ARG_PROCESS_TIME:
 697                 if (((process_time = (size_t) atoi(optarg))) <= 0) {
 698                     fprintf(stderr, _("Invalid process time specification '%s'\n"), optarg);
 699                     goto quit;
 700                 }
 701                 break;
 702
 703             default:
 704                 goto quit;
 705         }
 706     }
 707
 708     if (!pa_sample_spec_valid(&sample_spec)) {
 709         fprintf(stderr, _("Invalid sample specification\n"));
 710         goto quit;
 711     }
 712
 713     if (channel_map_set && pa_channel_map_compatible(&channel_map, &sample_spec)) {
 714         fprintf(stderr, _("Channel map doesn't match sample specification\n"));
 715         goto quit;
 716     }
 717
 718     if (verbose) {
 719         char t[PA_SAMPLE_SPEC_SNPRINT_MAX];
 720         pa_sample_spec_snprint(t, sizeof(t), &sample_spec);
 721         fprintf(stderr, _("Opening a %s stream with sample specification '%s'.\n"), mode == RECORD ? _("recording") : _("playback"), t);
 722     }
 723
 724     if (!(optind >= argc)) {
 725         if (optind+1 == argc) {
 726             int fd;
 727
 728             if ((fd = open(argv[optind], mode == PLAYBACK ? O_RDONLY : O_WRONLY|O_TRUNC|O_CREAT, 0666)) < 0) {
 729                 fprintf(stderr, _("open(): %s\n"), strerror(errno));
 730                 goto quit;
 731             }
 732
 733             if (dup2(fd, mode == PLAYBACK ? 0 : 1) < 0) {
 734                 fprintf(stderr, _("dup2(): %s\n"), strerror(errno));
 735                 goto quit;
 736             }
 737
 738             close(fd);
 739
 740             if (!stream_name)
 741                 stream_name = pa_xstrdup(argv[optind]);
 742
 743         } else {
 744             fprintf(stderr, _("Too many arguments.\n"));
 745             goto quit;
 746         }
 747     }
 748
 749     if (!client_name)
 750         client_name = pa_xstrdup(bn);
 751
 752     if (!stream_name)
 753         stream_name = pa_xstrdup(client_name);
 754
 755     /* Set up a new main loop */
 756     if (!(m = pa_mainloop_new())) {
 757         fprintf(stderr, _("pa_mainloop_new() failed.\n"));
 758         goto quit;
 759     }
 760
 761     mainloop_api = pa_mainloop_get_api(m);
 762
 763     r = pa_signal_init(mainloop_api);
 764     assert(r == 0);
 765     pa_signal_new(SIGINT, exit_signal_callback, NULL);
 766     pa_signal_new(SIGTERM, exit_signal_callback, NULL);
 767 #ifdef SIGUSR1
 768     pa_signal_new(SIGUSR1, sigusr1_signal_callback, NULL);
 769 #endif
 770 #ifdef SIGPIPE
 771     signal(SIGPIPE, SIG_IGN);
 772 #endif
 773
 774     if (!(stdio_event = mainloop_api->io_new(mainloop_api,
 775                                              mode == PLAYBACK ? STDIN_FILENO : STDOUT_FILENO,
 776                                              mode == PLAYBACK ? PA_IO_EVENT_INPUT : PA_IO_EVENT_OUTPUT,
 777                                              mode == PLAYBACK ? stdin_callback : stdout_callback, NULL))) {
 778         fprintf(stderr, _("io_new() failed.\n"));
 779         goto quit;
 780     }
 781
 782     /* Create a new connection context */
 783     if (!(context = pa_context_new(mainloop_api, client_name))) {
 784         fprintf(stderr, _("pa_context_new() failed.\n"));
 785         goto quit;
 786     }
 787
 788     pa_context_set_state_callback(context, context_state_callback, NULL);
 789
 790     /* Connect the context */
 791     if (pa_context_connect(context, server, 0, NULL) < 0) {
 792         fprintf(stderr, _("pa_context_connect() failed: %s"), pa_strerror(pa_context_errno(context)));
 793         goto quit;
 794     }
 795
 796     if (verbose) {
 797         struct timeval tv;
 798
 799         pa_gettimeofday(&tv);
 800         pa_timeval_add(&tv, TIME_EVENT_USEC);
 801
 802         if (!(time_event = mainloop_api->time_new(mainloop_api, &tv, time_event_callback, NULL))) {
 803             fprintf(stderr, _("time_new() failed.\n"));
 804             goto quit;
 805         }
 806     }
 807
 808     /* Run the main loop */
 809     if (pa_mainloop_run(m, &ret) < 0) {
 810         fprintf(stderr, _("pa_mainloop_run() failed.\n"));
 811         goto quit;
 812     }
 813
 814 quit:
 815     if (stream)
 816         pa_stream_unref(stream);
 817
 818     if (context)
 819         pa_context_unref(context);
 820
 821     if (stdio_event) {
 822         assert(mainloop_api);
 823         mainloop_api->io_free(stdio_event);
 824     }
 825
 826     if (time_event) {
 827         assert(mainloop_api);
 828         mainloop_api->time_free(time_event);
 829     }
 830
 831     if (m) {
 832         pa_signal_done();
 833         pa_mainloop_free(m);
 834     }
 835
 836     pa_xfree(buffer);
 837
 838     pa_xfree(server);
 839     pa_xfree(device);
 840     pa_xfree(client_name);
 841     pa_xfree(stream_name);
 842
 843     return ret;
 844 }