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 /* This is called whenever the context status changes */
 242 static void context_state_callback(pa_context *c, void *userdata) {
 243     assert(c);
 244
 245     switch (pa_context_get_state(c)) {
 246         case PA_CONTEXT_CONNECTING:
 247         case PA_CONTEXT_AUTHORIZING:
 248         case PA_CONTEXT_SETTING_NAME:
 249             break;
 250
 251         case PA_CONTEXT_READY: {
 252             int r;
 253             pa_buffer_attr buffer_attr;
 254
 255             assert(c);
 256             assert(!stream);
 257
 258             if (verbose)
 259                 fprintf(stderr, _("Connection established.%s \n"), CLEAR_LINE);
 260
 261             if (!(stream = pa_stream_new(c, stream_name, &sample_spec, channel_map_set ? &channel_map : NULL))) {
 262                 fprintf(stderr, _("pa_stream_new() failed: %s\n"), pa_strerror(pa_context_errno(c)));
 263                 goto fail;
 264             }
 265
 266             pa_stream_set_state_callback(stream, stream_state_callback, NULL);
 267             pa_stream_set_write_callback(stream, stream_write_callback, NULL);
 268             pa_stream_set_read_callback(stream, stream_read_callback, NULL);
 269             pa_stream_set_suspended_callback(stream, stream_suspended_callback, NULL);
 270             pa_stream_set_moved_callback(stream, stream_moved_callback, NULL);
 271             pa_stream_set_underflow_callback(stream, stream_underflow_callback, NULL);
 272             pa_stream_set_overflow_callback(stream, stream_overflow_callback, NULL);
 273             pa_stream_set_started_callback(stream, stream_started_callback, NULL);
 274
 275             if (latency > 0) {
 276                 memset(&buffer_attr, 0, sizeof(buffer_attr));
 277                 buffer_attr.tlength = (uint32_t) latency;
 278                 buffer_attr.minreq = (uint32_t) process_time;
 279                 buffer_attr.maxlength = (uint32_t) -1;
 280                 buffer_attr.prebuf = (uint32_t) -1;
 281                 buffer_attr.fragsize = (uint32_t) latency;
 282                 flags |= PA_STREAM_ADJUST_LATENCY;
 283             }
 284
 285             if (mode == PLAYBACK) {
 286                 pa_cvolume cv;
 287                 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) {
 288                     fprintf(stderr, _("pa_stream_connect_playback() failed: %s\n"), pa_strerror(pa_context_errno(c)));
 289                     goto fail;
 290                 }
 291
 292             } else {
 293                 if ((r = pa_stream_connect_record(stream, device, latency > 0 ? &buffer_attr : NULL, flags)) < 0) {
 294                     fprintf(stderr, _("pa_stream_connect_record() failed: %s\n"), pa_strerror(pa_context_errno(c)));
 295                     goto fail;
 296                 }
 297             }
 298
 299             break;
 300         }
 301
 302         case PA_CONTEXT_TERMINATED:
 303             quit(0);
 304             break;
 305
 306         case PA_CONTEXT_FAILED:
 307         default:
 308             fprintf(stderr, _("Connection failure: %s\n"), pa_strerror(pa_context_errno(c)));
 309             goto fail;
 310     }
 311
 312     return;
 313
 314 fail:
 315     quit(1);
 316
 317 }
 318
 319 /* Connection draining complete */
 320 static void context_drain_complete(pa_context*c, void *userdata) {
 321     pa_context_disconnect(c);
 322 }
 323
 324 /* Stream draining complete */
 325 static void stream_drain_complete(pa_stream*s, int success, void *userdata) {
 326     pa_operation *o;
 327
 328     if (!success) {
 329         fprintf(stderr, _("Failed to drain stream: %s\n"), pa_strerror(pa_context_errno(context)));
 330         quit(1);
 331     }
 332
 333     if (verbose)
 334         fprintf(stderr, _("Playback stream drained.\n"));
 335
 336     pa_stream_disconnect(stream);
 337     pa_stream_unref(stream);
 338     stream = NULL;
 339
 340     if (!(o = pa_context_drain(context, context_drain_complete, NULL)))
 341         pa_context_disconnect(context);
 342     else {
 343         if (verbose)
 344             fprintf(stderr, _("Draining connection to server.\n"));
 345     }
 346 }
 347
 348 /* New data on STDIN **/
 349 static void stdin_callback(pa_mainloop_api*a, pa_io_event *e, int fd, pa_io_event_flags_t f, void *userdata) {
 350     size_t l, w = 0;
 351     ssize_t r;
 352
 353     assert(a == mainloop_api);
 354     assert(e);
 355     assert(stdio_event == e);
 356
 357     if (buffer) {
 358         mainloop_api->io_enable(stdio_event, PA_IO_EVENT_NULL);
 359         return;
 360     }
 361
 362     if (!stream || pa_stream_get_state(stream) != PA_STREAM_READY || !(l = w = pa_stream_writable_size(stream)))
 363         l = 4096;
 364
 365     buffer = pa_xmalloc(l);
 366
 367     if ((r = read(fd, buffer, l)) <= 0) {
 368         if (r == 0) {
 369             if (verbose)
 370                 fprintf(stderr, _("Got EOF.\n"));
 371
 372             if (stream) {
 373                 pa_operation *o;
 374
 375                 if (!(o = pa_stream_drain(stream, stream_drain_complete, NULL))) {
 376                     fprintf(stderr, _("pa_stream_drain(): %s\n"), pa_strerror(pa_context_errno(context)));
 377                     quit(1);
 378                     return;
 379                 }
 380
 381                 pa_operation_unref(o);
 382             } else
 383                 quit(0);
 384
 385         } else {
 386             fprintf(stderr, _("read() failed: %s\n"), strerror(errno));
 387             quit(1);
 388         }
 389
 390         mainloop_api->io_free(stdio_event);
 391         stdio_event = NULL;
 392         return;
 393     }
 394
 395     buffer_length = (uint32_t) r;
 396     buffer_index = 0;
 397
 398     if (w)
 399         do_stream_write(w);
 400 }
 401
 402 /* Some data may be written to STDOUT */
 403 static void stdout_callback(pa_mainloop_api*a, pa_io_event *e, int fd, pa_io_event_flags_t f, void *userdata) {
 404     ssize_t r;
 405
 406     assert(a == mainloop_api);
 407     assert(e);
 408     assert(stdio_event == e);
 409
 410     if (!buffer) {
 411         mainloop_api->io_enable(stdio_event, PA_IO_EVENT_NULL);
 412         return;
 413     }
 414
 415     assert(buffer_length);
 416
 417     if ((r = write(fd, (uint8_t*) buffer+buffer_index, buffer_length)) <= 0) {
 418         fprintf(stderr, _("write() failed: %s\n"), strerror(errno));
 419         quit(1);
 420
 421         mainloop_api->io_free(stdio_event);
 422         stdio_event = NULL;
 423         return;
 424     }
 425
 426     buffer_length -= (uint32_t) r;
 427     buffer_index += (uint32_t) r;
 428
 429     if (!buffer_length) {
 430         pa_xfree(buffer);
 431         buffer = NULL;
 432         buffer_length = buffer_index = 0;
 433     }
 434 }
 435
 436 /* UNIX signal to quit recieved */
 437 static void exit_signal_callback(pa_mainloop_api*m, pa_signal_event *e, int sig, void *userdata) {
 438     if (verbose)
 439         fprintf(stderr, _("Got signal, exiting.\n"));
 440     quit(0);
 441 }
 442
 443 /* Show the current latency */
 444 static void stream_update_timing_callback(pa_stream *s, int success, void *userdata) {
 445     pa_usec_t l, usec;
 446     int negative = 0;
 447
 448     assert(s);
 449
 450     if (!success ||
 451         pa_stream_get_time(s, &usec) < 0 ||
 452         pa_stream_get_latency(s, &l, &negative) < 0) {
 453         fprintf(stderr, _("Failed to get latency: %s\n"), pa_strerror(pa_context_errno(context)));
 454         quit(1);
 455         return;
 456     }
 457
 458     fprintf(stderr, _("Time: %0.3f sec; Latency: %0.0f usec.  \r"),
 459             (float) usec / 1000000,
 460             (float) l * (negative?-1.0f:1.0f));
 461 }
 462
 463 /* Someone requested that the latency is shown */
 464 static void sigusr1_signal_callback(pa_mainloop_api*m, pa_signal_event *e, int sig, void *userdata) {
 465
 466     if (!stream)
 467         return;
 468
 469     pa_operation_unref(pa_stream_update_timing_info(stream, stream_update_timing_callback, NULL));
 470 }
 471
 472 static void time_event_callback(pa_mainloop_api*m, pa_time_event *e, const struct timeval *tv, void *userdata) {
 473     struct timeval next;
 474
 475     if (stream && pa_stream_get_state(stream) == PA_STREAM_READY) {
 476         pa_operation *o;
 477         if (!(o = pa_stream_update_timing_info(stream, stream_update_timing_callback, NULL)))
 478             fprintf(stderr, _("pa_stream_update_timing_info() failed: %s\n"), pa_strerror(pa_context_errno(context)));
 479         else
 480             pa_operation_unref(o);
 481     }
 482
 483     pa_gettimeofday(&next);
 484     pa_timeval_add(&next, TIME_EVENT_USEC);
 485
 486     m->time_restart(e, &next);
 487 }
 488
 489 static void help(const char *argv0) {
 490
 491     printf(_("%s [options]\n\n"
 492            "  -h, --help                            Show this help\n"
 493            "      --version                         Show version\n\n"
 494            "  -r, --record                          Create a connection for recording\n"
 495            "  -p, --playback                        Create a connection for playback\n\n"
 496            "  -v, --verbose                         Enable verbose operations\n\n"
 497            "  -s, --server=SERVER                   The name of the server to connect to\n"
 498            "  -d, --device=DEVICE                   The name of the sink/source to connect to\n"
 499            "  -n, --client-name=NAME                How to call this client on the server\n"
 500            "      --stream-name=NAME                How to call this stream on the server\n"
 501            "      --volume=VOLUME                   Specify the initial (linear) volume in range 0...65536\n"
 502            "      --rate=SAMPLERATE                 The sample rate in Hz (defaults to 44100)\n"
 503            "      --format=SAMPLEFORMAT             The sample type, one of s16le, s16be, u8, float32le,\n"
 504            "                                        float32be, ulaw, alaw, s32le, s32be (defaults to s16ne)\n"
 505            "      --channels=CHANNELS               The number of channels, 1 for mono, 2 for stereo\n"
 506            "                                        (defaults to 2)\n"
 507            "      --channel-map=CHANNELMAP          Channel map to use instead of the default\n"
 508            "      --fix-format                      Take the sample format from the sink the stream is\n"
 509            "                                        being connected to.\n"
 510            "      --fix-rate                        Take the sampling rate from the sink the stream is\n"
 511            "                                        being connected to.\n"
 512            "      --fix-channels                    Take the number of channels and the channel map\n"
 513            "                                        from the sink the stream is being connected to.\n"
 514            "      --no-remix                        Don't upmix or downmix channels.\n"
 515            "      --no-remap                        Map channels by index instead of name.\n"
 516            "      --latency=BYTES                   Request the specified latency in bytes.\n"
 517            "      --process-time=BYTES              Request the specified process time per request in bytes.\n")
 518            ,
 519            argv0);
 520 }
 521
 522 enum {
 523     ARG_VERSION = 256,
 524     ARG_STREAM_NAME,
 525     ARG_VOLUME,
 526     ARG_SAMPLERATE,
 527     ARG_SAMPLEFORMAT,
 528     ARG_CHANNELS,
 529     ARG_CHANNELMAP,
 530     ARG_FIX_FORMAT,
 531     ARG_FIX_RATE,
 532     ARG_FIX_CHANNELS,
 533     ARG_NO_REMAP,
 534     ARG_NO_REMIX,
 535     ARG_LATENCY,
 536     ARG_PROCESS_TIME
 537 };
 538
 539 int main(int argc, char *argv[]) {
 540     pa_mainloop* m = NULL;
 541     int ret = 1, r, c;
 542     char *bn, *server = NULL;
 543     pa_time_event *time_event = NULL;
 544
 545     static const struct option long_options[] = {
 546         {"record",       0, NULL, 'r'},
 547         {"playback",     0, NULL, 'p'},
 548         {"device",       1, NULL, 'd'},
 549         {"server",       1, NULL, 's'},
 550         {"client-name",  1, NULL, 'n'},
 551         {"stream-name",  1, NULL, ARG_STREAM_NAME},
 552         {"version",      0, NULL, ARG_VERSION},
 553         {"help",         0, NULL, 'h'},
 554         {"verbose",      0, NULL, 'v'},
 555         {"volume",       1, NULL, ARG_VOLUME},
 556         {"rate",         1, NULL, ARG_SAMPLERATE},
 557         {"format",       1, NULL, ARG_SAMPLEFORMAT},
 558         {"channels",     1, NULL, ARG_CHANNELS},
 559         {"channel-map",  1, NULL, ARG_CHANNELMAP},
 560         {"fix-format",   0, NULL, ARG_FIX_FORMAT},
 561         {"fix-rate",     0, NULL, ARG_FIX_RATE},
 562         {"fix-channels", 0, NULL, ARG_FIX_CHANNELS},
 563         {"no-remap",     0, NULL, ARG_NO_REMAP},
 564         {"no-remix",     0, NULL, ARG_NO_REMIX},
 565         {"latency",      1, NULL, ARG_LATENCY},
 566         {"process-time", 1, NULL, ARG_PROCESS_TIME},
 567         {NULL,           0, NULL, 0}
 568     };
 569
 570     setlocale(LC_ALL, "");
 571     bindtextdomain(GETTEXT_PACKAGE, PULSE_LOCALEDIR);
 572
 573     if (!(bn = strrchr(argv[0], '/')))
 574         bn = argv[0];
 575     else
 576         bn++;
 577
 578     if (strstr(bn, "rec") || strstr(bn, "mon"))
 579         mode = RECORD;
 580     else if (strstr(bn, "cat") || strstr(bn, "play"))
 581         mode = PLAYBACK;
 582
 583     while ((c = getopt_long(argc, argv, "rpd:s:n:hv", long_options, NULL)) != -1) {
 584
 585         switch (c) {
 586             case 'h' :
 587                 help(bn);
 588                 ret = 0;
 589                 goto quit;
 590
 591             case ARG_VERSION:
 592                 printf(_("pacat %s\nCompiled with libpulse %s\nLinked with libpulse %s\n"), PACKAGE_VERSION, pa_get_headers_version(), pa_get_library_version());
 593                 ret = 0;
 594                 goto quit;
 595
 596             case 'r':
 597                 mode = RECORD;
 598                 break;
 599
 600             case 'p':
 601                 mode = PLAYBACK;
 602                 break;
 603
 604             case 'd':
 605                 pa_xfree(device);
 606                 device = pa_xstrdup(optarg);
 607                 break;
 608
 609             case 's':
 610                 pa_xfree(server);
 611                 server = pa_xstrdup(optarg);
 612                 break;
 613
 614             case 'n':
 615                 pa_xfree(client_name);
 616                 client_name = pa_xstrdup(optarg);
 617                 break;
 618
 619             case ARG_STREAM_NAME:
 620                 pa_xfree(stream_name);
 621                 stream_name = pa_xstrdup(optarg);
 622                 break;
 623
 624             case 'v':
 625                 verbose = 1;
 626                 break;
 627
 628             case ARG_VOLUME: {
 629                 int v = atoi(optarg);
 630                 volume = v < 0 ? 0U : (pa_volume_t) v;
 631                 volume_is_set = 1;
 632                 break;
 633             }
 634
 635             case ARG_CHANNELS:
 636                 sample_spec.channels = (uint8_t) atoi(optarg);
 637                 break;
 638
 639             case ARG_SAMPLEFORMAT:
 640                 sample_spec.format = pa_parse_sample_format(optarg);
 641                 break;
 642
 643             case ARG_SAMPLERATE:
 644                 sample_spec.rate = (uint32_t) atoi(optarg);
 645                 break;
 646
 647             case ARG_CHANNELMAP:
 648                 if (!pa_channel_map_parse(&channel_map, optarg)) {
 649                     fprintf(stderr, _("Invalid channel map '%s'\n"), optarg);
 650                     goto quit;
 651                 }
 652
 653                 channel_map_set = 1;
 654                 break;
 655
 656             case ARG_FIX_CHANNELS:
 657                 flags |= PA_STREAM_FIX_CHANNELS;
 658                 break;
 659
 660             case ARG_FIX_RATE:
 661                 flags |= PA_STREAM_FIX_RATE;
 662                 break;
 663
 664             case ARG_FIX_FORMAT:
 665                 flags |= PA_STREAM_FIX_FORMAT;
 666                 break;
 667
 668             case ARG_NO_REMIX:
 669                 flags |= PA_STREAM_NO_REMIX_CHANNELS;
 670                 break;
 671
 672             case ARG_NO_REMAP:
 673                 flags |= PA_STREAM_NO_REMAP_CHANNELS;
 674                 break;
 675
 676             case ARG_LATENCY:
 677                 if (((latency = (size_t) atoi(optarg))) <= 0) {
 678                     fprintf(stderr, _("Invalid latency specification '%s'\n"), optarg);
 679                     goto quit;
 680                 }
 681                 break;
 682
 683             case ARG_PROCESS_TIME:
 684                 if (((process_time = (size_t) atoi(optarg))) <= 0) {
 685                     fprintf(stderr, _("Invalid process time specification '%s'\n"), optarg);
 686                     goto quit;
 687                 }
 688                 break;
 689
 690             default:
 691                 goto quit;
 692         }
 693     }
 694
 695     if (!pa_sample_spec_valid(&sample_spec)) {
 696         fprintf(stderr, _("Invalid sample specification\n"));
 697         goto quit;
 698     }
 699
 700     if (channel_map_set && pa_channel_map_compatible(&channel_map, &sample_spec)) {
 701         fprintf(stderr, _("Channel map doesn't match sample specification\n"));
 702         goto quit;
 703     }
 704
 705     if (verbose) {
 706         char t[PA_SAMPLE_SPEC_SNPRINT_MAX];
 707         pa_sample_spec_snprint(t, sizeof(t), &sample_spec);
 708         fprintf(stderr, _("Opening a %s stream with sample specification '%s'.\n"), mode == RECORD ? _("recording") : _("playback"), t);
 709     }
 710
 711     if (!(optind >= argc)) {
 712         if (optind+1 == argc) {
 713             int fd;
 714
 715             if ((fd = open(argv[optind], mode == PLAYBACK ? O_RDONLY : O_WRONLY|O_TRUNC|O_CREAT, 0666)) < 0) {
 716                 fprintf(stderr, _("open(): %s\n"), strerror(errno));
 717                 goto quit;
 718             }
 719
 720             if (dup2(fd, mode == PLAYBACK ? 0 : 1) < 0) {
 721                 fprintf(stderr, _("dup2(): %s\n"), strerror(errno));
 722                 goto quit;
 723             }
 724
 725             close(fd);
 726
 727             if (!stream_name)
 728                 stream_name = pa_xstrdup(argv[optind]);
 729
 730         } else {
 731             fprintf(stderr, _("Too many arguments.\n"));
 732             goto quit;
 733         }
 734     }
 735
 736     if (!client_name)
 737         client_name = pa_xstrdup(bn);
 738
 739     if (!stream_name)
 740         stream_name = pa_xstrdup(client_name);
 741
 742     /* Set up a new main loop */
 743     if (!(m = pa_mainloop_new())) {
 744         fprintf(stderr, _("pa_mainloop_new() failed.\n"));
 745         goto quit;
 746     }
 747
 748     mainloop_api = pa_mainloop_get_api(m);
 749
 750     r = pa_signal_init(mainloop_api);
 751     assert(r == 0);
 752     pa_signal_new(SIGINT, exit_signal_callback, NULL);
 753     pa_signal_new(SIGTERM, exit_signal_callback, NULL);
 754 #ifdef SIGUSR1
 755     pa_signal_new(SIGUSR1, sigusr1_signal_callback, NULL);
 756 #endif
 757 #ifdef SIGPIPE
 758     signal(SIGPIPE, SIG_IGN);
 759 #endif
 760
 761     if (!(stdio_event = mainloop_api->io_new(mainloop_api,
 762                                              mode == PLAYBACK ? STDIN_FILENO : STDOUT_FILENO,
 763                                              mode == PLAYBACK ? PA_IO_EVENT_INPUT : PA_IO_EVENT_OUTPUT,
 764                                              mode == PLAYBACK ? stdin_callback : stdout_callback, NULL))) {
 765         fprintf(stderr, _("io_new() failed.\n"));
 766         goto quit;
 767     }
 768
 769     /* Create a new connection context */
 770     if (!(context = pa_context_new(mainloop_api, client_name))) {
 771         fprintf(stderr, _("pa_context_new() failed.\n"));
 772         goto quit;
 773     }
 774
 775     pa_context_set_state_callback(context, context_state_callback, NULL);
 776
 777     /* Connect the context */
 778     if (pa_context_connect(context, server, 0, NULL) < 0) {
 779         fprintf(stderr, _("pa_context_connect() failed: %s"), pa_strerror(pa_context_errno(context)));
 780         goto quit;
 781     }
 782
 783     if (verbose) {
 784         struct timeval tv;
 785
 786         pa_gettimeofday(&tv);
 787         pa_timeval_add(&tv, TIME_EVENT_USEC);
 788
 789         if (!(time_event = mainloop_api->time_new(mainloop_api, &tv, time_event_callback, NULL))) {
 790             fprintf(stderr, _("time_new() failed.\n"));
 791             goto quit;
 792         }
 793     }
 794
 795     /* Run the main loop */
 796     if (pa_mainloop_run(m, &ret) < 0) {
 797         fprintf(stderr, _("pa_mainloop_run() failed.\n"));
 798         goto quit;
 799     }
 800
 801 quit:
 802     if (stream)
 803         pa_stream_unref(stream);
 804
 805     if (context)
 806         pa_context_unref(context);
 807
 808     if (stdio_event) {
 809         assert(mainloop_api);
 810         mainloop_api->io_free(stdio_event);
 811     }
 812
 813     if (time_event) {
 814         assert(mainloop_api);
 815         mainloop_api->time_free(time_event);
 816     }
 817
 818     if (m) {
 819         pa_signal_done();
 820         pa_mainloop_free(m);
 821     }
 822
 823     pa_xfree(buffer);
 824
 825     pa_xfree(server);
 826     pa_xfree(device);
 827     pa_xfree(client_name);
 828     pa_xfree(stream_name);
 829
 830     return ret;
 831 }