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