00001 /* $Id: pacat.c 2067 2007-11-21 01:30:40Z lennart $ */ 00002 00003 /*** 00004 This file is part of PulseAudio. 00005 00006 Copyright 2004-2006 Lennart Poettering 00007 Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB 00008 00009 PulseAudio is free software; you can redistribute it and/or modify 00010 it under the terms of the GNU Lesser General Public License as published 00011 by the Free Software Foundation; either version 2 of the License, 00012 or (at your option) any later version. 00013 00014 PulseAudio is distributed in the hope that it will be useful, but 00015 WITHOUT ANY WARRANTY; without even the implied warranty of 00016 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00017 General Public License for more details. 00018 00019 You should have received a copy of the GNU Lesser General Public License 00020 along with PulseAudio; if not, write to the Free Software 00021 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 00022 USA. 00023 ***/ 00024 00025 #ifdef HAVE_CONFIG_H 00026 #include <config.h> 00027 #endif 00028 00029 #include <signal.h> 00030 #include <string.h> 00031 #include <errno.h> 00032 #include <unistd.h> 00033 #include <assert.h> 00034 #include <stdio.h> 00035 #include <stdlib.h> 00036 #include <getopt.h> 00037 #include <fcntl.h> 00038 00039 #include <pulse/pulseaudio.h> 00040 00041 #define TIME_EVENT_USEC 50000 00042 00043 #if PA_API_VERSION < 10 00044 #error Invalid PulseAudio API version 00045 #endif 00046 00047 static enum { RECORD, PLAYBACK } mode = PLAYBACK; 00048 00049 static pa_context *context = NULL; 00050 static pa_stream *stream = NULL; 00051 static pa_mainloop_api *mainloop_api = NULL; 00052 00053 static void *buffer = NULL; 00054 static size_t buffer_length = 0, buffer_index = 0; 00055 00056 static pa_io_event* stdio_event = NULL; 00057 00058 static char *stream_name = NULL, *client_name = NULL, *device = NULL; 00059 00060 static int verbose = 0; 00061 static pa_volume_t volume = PA_VOLUME_NORM; 00062 00063 static pa_sample_spec sample_spec = { 00064 .format = PA_SAMPLE_S16LE, 00065 .rate = 44100, 00066 .channels = 2 00067 }; 00068 00069 static pa_channel_map channel_map; 00070 static int channel_map_set = 0; 00071 00072 static pa_stream_flags_t flags = 0; 00073 00074 /* A shortcut for terminating the application */ 00075 static void quit(int ret) { 00076 assert(mainloop_api); 00077 mainloop_api->quit(mainloop_api, ret); 00078 } 00079 00080 /* Write some data to the stream */ 00081 static void do_stream_write(size_t length) { 00082 size_t l; 00083 assert(length); 00084 00085 if (!buffer || !buffer_length) 00086 return; 00087 00088 l = length; 00089 if (l > buffer_length) 00090 l = buffer_length; 00091 00092 if (pa_stream_write(stream, (uint8_t*) buffer + buffer_index, l, NULL, 0, PA_SEEK_RELATIVE) < 0) { 00093 fprintf(stderr, "pa_stream_write() failed: %s\n", pa_strerror(pa_context_errno(context))); 00094 quit(1); 00095 return; 00096 } 00097 00098 buffer_length -= l; 00099 buffer_index += l; 00100 00101 if (!buffer_length) { 00102 pa_xfree(buffer); 00103 buffer = NULL; 00104 buffer_index = buffer_length = 0; 00105 } 00106 } 00107 00108 /* This is called whenever new data may be written to the stream */ 00109 static void stream_write_callback(pa_stream *s, size_t length, void *userdata) { 00110 assert(s); 00111 assert(length > 0); 00112 00113 if (stdio_event) 00114 mainloop_api->io_enable(stdio_event, PA_IO_EVENT_INPUT); 00115 00116 if (!buffer) 00117 return; 00118 00119 do_stream_write(length); 00120 } 00121 00122 /* This is called whenever new data may is available */ 00123 static void stream_read_callback(pa_stream *s, size_t length, void *userdata) { 00124 const void *data; 00125 assert(s); 00126 assert(length > 0); 00127 00128 if (stdio_event) 00129 mainloop_api->io_enable(stdio_event, PA_IO_EVENT_OUTPUT); 00130 00131 if (pa_stream_peek(s, &data, &length) < 0) { 00132 fprintf(stderr, "pa_stream_peek() failed: %s\n", pa_strerror(pa_context_errno(context))); 00133 quit(1); 00134 return; 00135 } 00136 00137 assert(data); 00138 assert(length > 0); 00139 00140 if (buffer) { 00141 fprintf(stderr, "Buffer overrun, dropping incoming data\n"); 00142 if (pa_stream_drop(s) < 0) { 00143 fprintf(stderr, "pa_stream_drop() failed: %s\n", pa_strerror(pa_context_errno(context))); 00144 quit(1); 00145 } 00146 return; 00147 } 00148 00149 buffer = pa_xmalloc(buffer_length = length); 00150 memcpy(buffer, data, length); 00151 buffer_index = 0; 00152 pa_stream_drop(s); 00153 } 00154 00155 /* This routine is called whenever the stream state changes */ 00156 static void stream_state_callback(pa_stream *s, void *userdata) { 00157 assert(s); 00158 00159 switch (pa_stream_get_state(s)) { 00160 case PA_STREAM_CREATING: 00161 case PA_STREAM_TERMINATED: 00162 break; 00163 00164 case PA_STREAM_READY: 00165 if (verbose) { 00166 const pa_buffer_attr *a; 00167 char cmt[PA_CHANNEL_MAP_SNPRINT_MAX], sst[PA_SAMPLE_SPEC_SNPRINT_MAX]; 00168 00169 fprintf(stderr, "Stream successfully created.\n"); 00170 00171 if (!(a = pa_stream_get_buffer_attr(s))) 00172 fprintf(stderr, "pa_stream_get_buffer_attr() failed: %s\n", pa_strerror(pa_context_errno(pa_stream_get_context(s)))); 00173 else { 00174 00175 if (mode == PLAYBACK) 00176 fprintf(stderr, "Buffer metrics: maxlength=%u, tlength=%u, prebuf=%u, minreq=%u\n", a->maxlength, a->tlength, a->prebuf, a->minreq); 00177 else { 00178 assert(mode == RECORD); 00179 fprintf(stderr, "Buffer metrics: maxlength=%u, fragsize=%u\n", a->maxlength, a->fragsize); 00180 } 00181 } 00182 00183 fprintf(stderr, "Using sample spec '%s', channel map '%s'.\n", 00184 pa_sample_spec_snprint(sst, sizeof(sst), pa_stream_get_sample_spec(s)), 00185 pa_channel_map_snprint(cmt, sizeof(cmt), pa_stream_get_channel_map(s))); 00186 00187 fprintf(stderr, "Connected to device %s (%u, %ssuspended).\n", 00188 pa_stream_get_device_name(s), 00189 pa_stream_get_device_index(s), 00190 pa_stream_is_suspended(s) ? "" : "not "); 00191 } 00192 00193 break; 00194 00195 case PA_STREAM_FAILED: 00196 default: 00197 fprintf(stderr, "Stream error: %s\n", pa_strerror(pa_context_errno(pa_stream_get_context(s)))); 00198 quit(1); 00199 } 00200 } 00201 00202 static void stream_suspended_callback(pa_stream *s, void *userdata) { 00203 assert(s); 00204 00205 if (verbose) { 00206 if (pa_stream_is_suspended(s)) 00207 fprintf(stderr, "Stream device suspended.\n"); 00208 else 00209 fprintf(stderr, "Stream device resumed.\n"); 00210 } 00211 } 00212 00213 static void stream_moved_callback(pa_stream *s, void *userdata) { 00214 assert(s); 00215 00216 if (verbose) 00217 fprintf(stderr, "Stream moved to device %s (%u, %ssuspended).\n", pa_stream_get_device_name(s), pa_stream_get_device_index(s), pa_stream_is_suspended(s) ? "" : "not "); 00218 } 00219 00220 /* This is called whenever the context status changes */ 00221 static void context_state_callback(pa_context *c, void *userdata) { 00222 assert(c); 00223 00224 switch (pa_context_get_state(c)) { 00225 case PA_CONTEXT_CONNECTING: 00226 case PA_CONTEXT_AUTHORIZING: 00227 case PA_CONTEXT_SETTING_NAME: 00228 break; 00229 00230 case PA_CONTEXT_READY: { 00231 int r; 00232 00233 assert(c); 00234 assert(!stream); 00235 00236 if (verbose) 00237 fprintf(stderr, "Connection established.\n"); 00238 00239 if (!(stream = pa_stream_new(c, stream_name, &sample_spec, channel_map_set ? &channel_map : NULL))) { 00240 fprintf(stderr, "pa_stream_new() failed: %s\n", pa_strerror(pa_context_errno(c))); 00241 goto fail; 00242 } 00243 00244 pa_stream_set_state_callback(stream, stream_state_callback, NULL); 00245 pa_stream_set_write_callback(stream, stream_write_callback, NULL); 00246 pa_stream_set_read_callback(stream, stream_read_callback, NULL); 00247 pa_stream_set_suspended_callback(stream, stream_suspended_callback, NULL); 00248 pa_stream_set_moved_callback(stream, stream_moved_callback, NULL); 00249 00250 if (mode == PLAYBACK) { 00251 pa_cvolume cv; 00252 if ((r = pa_stream_connect_playback(stream, device, NULL, flags, pa_cvolume_set(&cv, sample_spec.channels, volume), NULL)) < 0) { 00253 fprintf(stderr, "pa_stream_connect_playback() failed: %s\n", pa_strerror(pa_context_errno(c))); 00254 goto fail; 00255 } 00256 00257 } else { 00258 if ((r = pa_stream_connect_record(stream, device, NULL, flags)) < 0) { 00259 fprintf(stderr, "pa_stream_connect_record() failed: %s\n", pa_strerror(pa_context_errno(c))); 00260 goto fail; 00261 } 00262 } 00263 00264 break; 00265 } 00266 00267 case PA_CONTEXT_TERMINATED: 00268 quit(0); 00269 break; 00270 00271 case PA_CONTEXT_FAILED: 00272 default: 00273 fprintf(stderr, "Connection failure: %s\n", pa_strerror(pa_context_errno(c))); 00274 goto fail; 00275 } 00276 00277 return; 00278 00279 fail: 00280 quit(1); 00281 00282 } 00283 00284 /* Connection draining complete */ 00285 static void context_drain_complete(pa_context*c, void *userdata) { 00286 pa_context_disconnect(c); 00287 } 00288 00289 /* Stream draining complete */ 00290 static void stream_drain_complete(pa_stream*s, int success, void *userdata) { 00291 pa_operation *o; 00292 00293 if (!success) { 00294 fprintf(stderr, "Failed to drain stream: %s\n", pa_strerror(pa_context_errno(context))); 00295 quit(1); 00296 } 00297 00298 if (verbose) 00299 fprintf(stderr, "Playback stream drained.\n"); 00300 00301 pa_stream_disconnect(stream); 00302 pa_stream_unref(stream); 00303 stream = NULL; 00304 00305 if (!(o = pa_context_drain(context, context_drain_complete, NULL))) 00306 pa_context_disconnect(context); 00307 else { 00308 if (verbose) 00309 fprintf(stderr, "Draining connection to server.\n"); 00310 } 00311 } 00312 00313 /* New data on STDIN **/ 00314 static void stdin_callback(pa_mainloop_api*a, pa_io_event *e, int fd, pa_io_event_flags_t f, void *userdata) { 00315 size_t l, w = 0; 00316 ssize_t r; 00317 00318 assert(a == mainloop_api); 00319 assert(e); 00320 assert(stdio_event == e); 00321 00322 if (buffer) { 00323 mainloop_api->io_enable(stdio_event, PA_IO_EVENT_NULL); 00324 return; 00325 } 00326 00327 if (!stream || pa_stream_get_state(stream) != PA_STREAM_READY || !(l = w = pa_stream_writable_size(stream))) 00328 l = 4096; 00329 00330 buffer = pa_xmalloc(l); 00331 00332 if ((r = read(fd, buffer, l)) <= 0) { 00333 if (r == 0) { 00334 if (verbose) 00335 fprintf(stderr, "Got EOF.\n"); 00336 00337 if (stream) { 00338 pa_operation *o; 00339 00340 if (!(o = pa_stream_drain(stream, stream_drain_complete, NULL))) { 00341 fprintf(stderr, "pa_stream_drain(): %s\n", pa_strerror(pa_context_errno(context))); 00342 quit(1); 00343 return; 00344 } 00345 00346 pa_operation_unref(o); 00347 } else 00348 quit(0); 00349 00350 } else { 00351 fprintf(stderr, "read() failed: %s\n", strerror(errno)); 00352 quit(1); 00353 } 00354 00355 mainloop_api->io_free(stdio_event); 00356 stdio_event = NULL; 00357 return; 00358 } 00359 00360 buffer_length = r; 00361 buffer_index = 0; 00362 00363 if (w) 00364 do_stream_write(w); 00365 } 00366 00367 /* Some data may be written to STDOUT */ 00368 static void stdout_callback(pa_mainloop_api*a, pa_io_event *e, int fd, pa_io_event_flags_t f, void *userdata) { 00369 ssize_t r; 00370 00371 assert(a == mainloop_api); 00372 assert(e); 00373 assert(stdio_event == e); 00374 00375 if (!buffer) { 00376 mainloop_api->io_enable(stdio_event, PA_IO_EVENT_NULL); 00377 return; 00378 } 00379 00380 assert(buffer_length); 00381 00382 if ((r = write(fd, (uint8_t*) buffer+buffer_index, buffer_length)) <= 0) { 00383 fprintf(stderr, "write() failed: %s\n", strerror(errno)); 00384 quit(1); 00385 00386 mainloop_api->io_free(stdio_event); 00387 stdio_event = NULL; 00388 return; 00389 } 00390 00391 buffer_length -= r; 00392 buffer_index += r; 00393 00394 if (!buffer_length) { 00395 pa_xfree(buffer); 00396 buffer = NULL; 00397 buffer_length = buffer_index = 0; 00398 } 00399 } 00400 00401 /* UNIX signal to quit recieved */ 00402 static void exit_signal_callback(pa_mainloop_api*m, pa_signal_event *e, int sig, void *userdata) { 00403 if (verbose) 00404 fprintf(stderr, "Got signal, exiting.\n"); 00405 quit(0); 00406 } 00407 00408 /* Show the current latency */ 00409 static void stream_update_timing_callback(pa_stream *s, int success, void *userdata) { 00410 pa_usec_t latency, usec; 00411 int negative = 0; 00412 00413 assert(s); 00414 00415 if (!success || 00416 pa_stream_get_time(s, &usec) < 0 || 00417 pa_stream_get_latency(s, &latency, &negative) < 0) { 00418 fprintf(stderr, "Failed to get latency: %s\n", pa_strerror(pa_context_errno(context))); 00419 quit(1); 00420 return; 00421 } 00422 00423 fprintf(stderr, "Time: %0.3f sec; Latency: %0.0f usec. \r", 00424 (float) usec / 1000000, 00425 (float) latency * (negative?-1:1)); 00426 } 00427 00428 /* Someone requested that the latency is shown */ 00429 static void sigusr1_signal_callback(pa_mainloop_api*m, pa_signal_event *e, int sig, void *userdata) { 00430 00431 if (!stream) 00432 return; 00433 00434 pa_operation_unref(pa_stream_update_timing_info(stream, stream_update_timing_callback, NULL)); 00435 } 00436 00437 static void time_event_callback(pa_mainloop_api*m, pa_time_event *e, const struct timeval *tv, void *userdata) { 00438 struct timeval next; 00439 00440 if (stream && pa_stream_get_state(stream) == PA_STREAM_READY) { 00441 pa_operation *o; 00442 if (!(o = pa_stream_update_timing_info(stream, stream_update_timing_callback, NULL))) 00443 fprintf(stderr, "pa_stream_update_timing_info() failed: %s\n", pa_strerror(pa_context_errno(context))); 00444 else 00445 pa_operation_unref(o); 00446 } 00447 00448 pa_gettimeofday(&next); 00449 pa_timeval_add(&next, TIME_EVENT_USEC); 00450 00451 m->time_restart(e, &next); 00452 } 00453 00454 static void help(const char *argv0) { 00455 00456 printf("%s [options]\n\n" 00457 " -h, --help Show this help\n" 00458 " --version Show version\n\n" 00459 " -r, --record Create a connection for recording\n" 00460 " -p, --playback Create a connection for playback\n\n" 00461 " -v, --verbose Enable verbose operations\n\n" 00462 " -s, --server=SERVER The name of the server to connect to\n" 00463 " -d, --device=DEVICE The name of the sink/source to connect to\n" 00464 " -n, --client-name=NAME How to call this client on the server\n" 00465 " --stream-name=NAME How to call this stream on the server\n" 00466 " --volume=VOLUME Specify the initial (linear) volume in range 0...65536\n" 00467 " --rate=SAMPLERATE The sample rate in Hz (defaults to 44100)\n" 00468 " --format=SAMPLEFORMAT The sample type, one of s16le, s16be, u8, float32le,\n" 00469 " float32be, ulaw, alaw (defaults to s16ne)\n" 00470 " --channels=CHANNELS The number of channels, 1 for mono, 2 for stereo\n" 00471 " (defaults to 2)\n" 00472 " --channel-map=CHANNELMAP Channel map to use instead of the default\n" 00473 " --fix-format Take the sample format from the sink the stream is\n" 00474 " being connected to.\n" 00475 " --fix-rate Take the sampling rate from the sink the stream is\n" 00476 " being connected to.\n" 00477 " --fix-channels Take the number of channels and the channel map\n" 00478 " from the sink the stream is being connected to.\n" 00479 " --no-remix Don't upmix or downmix channels.\n" 00480 " --no-remap Map channels by index instead of name.\n" 00481 , 00482 argv0); 00483 } 00484 00485 enum { 00486 ARG_VERSION = 256, 00487 ARG_STREAM_NAME, 00488 ARG_VOLUME, 00489 ARG_SAMPLERATE, 00490 ARG_SAMPLEFORMAT, 00491 ARG_CHANNELS, 00492 ARG_CHANNELMAP, 00493 ARG_FIX_FORMAT, 00494 ARG_FIX_RATE, 00495 ARG_FIX_CHANNELS, 00496 ARG_NO_REMAP, 00497 ARG_NO_REMIX 00498 }; 00499 00500 int main(int argc, char *argv[]) { 00501 pa_mainloop* m = NULL; 00502 int ret = 1, r, c; 00503 char *bn, *server = NULL; 00504 pa_time_event *time_event = NULL; 00505 00506 static const struct option long_options[] = { 00507 {"record", 0, NULL, 'r'}, 00508 {"playback", 0, NULL, 'p'}, 00509 {"device", 1, NULL, 'd'}, 00510 {"server", 1, NULL, 's'}, 00511 {"client-name", 1, NULL, 'n'}, 00512 {"stream-name", 1, NULL, ARG_STREAM_NAME}, 00513 {"version", 0, NULL, ARG_VERSION}, 00514 {"help", 0, NULL, 'h'}, 00515 {"verbose", 0, NULL, 'v'}, 00516 {"volume", 1, NULL, ARG_VOLUME}, 00517 {"rate", 1, NULL, ARG_SAMPLERATE}, 00518 {"format", 1, NULL, ARG_SAMPLEFORMAT}, 00519 {"channels", 1, NULL, ARG_CHANNELS}, 00520 {"channel-map", 1, NULL, ARG_CHANNELMAP}, 00521 {"fix-format", 0, NULL, ARG_FIX_FORMAT}, 00522 {"fix-rate", 0, NULL, ARG_FIX_RATE}, 00523 {"fix-channels",0, NULL, ARG_FIX_CHANNELS}, 00524 {"no-remap", 0, NULL, ARG_NO_REMAP}, 00525 {"no-remix", 0, NULL, ARG_NO_REMIX}, 00526 {NULL, 0, NULL, 0} 00527 }; 00528 00529 if (!(bn = strrchr(argv[0], '/'))) 00530 bn = argv[0]; 00531 else 00532 bn++; 00533 00534 if (strstr(bn, "rec") || strstr(bn, "mon")) 00535 mode = RECORD; 00536 else if (strstr(bn, "cat") || strstr(bn, "play")) 00537 mode = PLAYBACK; 00538 00539 while ((c = getopt_long(argc, argv, "rpd:s:n:hv", long_options, NULL)) != -1) { 00540 00541 switch (c) { 00542 case 'h' : 00543 help(bn); 00544 ret = 0; 00545 goto quit; 00546 00547 case ARG_VERSION: 00548 printf("pacat "PACKAGE_VERSION"\nCompiled with libpulse %s\nLinked with libpulse %s\n", pa_get_headers_version(), pa_get_library_version()); 00549 ret = 0; 00550 goto quit; 00551 00552 case 'r': 00553 mode = RECORD; 00554 break; 00555 00556 case 'p': 00557 mode = PLAYBACK; 00558 break; 00559 00560 case 'd': 00561 pa_xfree(device); 00562 device = pa_xstrdup(optarg); 00563 break; 00564 00565 case 's': 00566 pa_xfree(server); 00567 server = pa_xstrdup(optarg); 00568 break; 00569 00570 case 'n': 00571 pa_xfree(client_name); 00572 client_name = pa_xstrdup(optarg); 00573 break; 00574 00575 case ARG_STREAM_NAME: 00576 pa_xfree(stream_name); 00577 stream_name = pa_xstrdup(optarg); 00578 break; 00579 00580 case 'v': 00581 verbose = 1; 00582 break; 00583 00584 case ARG_VOLUME: { 00585 int v = atoi(optarg); 00586 volume = v < 0 ? 0 : v; 00587 break; 00588 } 00589 00590 case ARG_CHANNELS: 00591 sample_spec.channels = atoi(optarg); 00592 break; 00593 00594 case ARG_SAMPLEFORMAT: 00595 sample_spec.format = pa_parse_sample_format(optarg); 00596 break; 00597 00598 case ARG_SAMPLERATE: 00599 sample_spec.rate = atoi(optarg); 00600 break; 00601 00602 case ARG_CHANNELMAP: 00603 if (!pa_channel_map_parse(&channel_map, optarg)) { 00604 fprintf(stderr, "Invalid channel map\n"); 00605 goto quit; 00606 } 00607 00608 channel_map_set = 1; 00609 break; 00610 00611 case ARG_FIX_CHANNELS: 00612 flags |= PA_STREAM_FIX_CHANNELS; 00613 break; 00614 00615 case ARG_FIX_RATE: 00616 flags |= PA_STREAM_FIX_RATE; 00617 break; 00618 00619 case ARG_FIX_FORMAT: 00620 flags |= PA_STREAM_FIX_FORMAT; 00621 break; 00622 00623 case ARG_NO_REMIX: 00624 flags |= PA_STREAM_NO_REMIX_CHANNELS; 00625 break; 00626 00627 case ARG_NO_REMAP: 00628 flags |= PA_STREAM_NO_REMAP_CHANNELS; 00629 break; 00630 00631 default: 00632 goto quit; 00633 } 00634 } 00635 00636 if (!pa_sample_spec_valid(&sample_spec)) { 00637 fprintf(stderr, "Invalid sample specification\n"); 00638 goto quit; 00639 } 00640 00641 if (channel_map_set && channel_map.channels != sample_spec.channels) { 00642 fprintf(stderr, "Channel map doesn't match sample specification\n"); 00643 goto quit; 00644 } 00645 00646 if (verbose) { 00647 char t[PA_SAMPLE_SPEC_SNPRINT_MAX]; 00648 pa_sample_spec_snprint(t, sizeof(t), &sample_spec); 00649 fprintf(stderr, "Opening a %s stream with sample specification '%s'.\n", mode == RECORD ? "recording" : "playback", t); 00650 } 00651 00652 if (!(optind >= argc)) { 00653 if (optind+1 == argc) { 00654 int fd; 00655 00656 if ((fd = open(argv[optind], mode == PLAYBACK ? O_RDONLY : O_WRONLY|O_TRUNC|O_CREAT, 0666)) < 0) { 00657 fprintf(stderr, "open(): %s\n", strerror(errno)); 00658 goto quit; 00659 } 00660 00661 if (dup2(fd, mode == PLAYBACK ? 0 : 1) < 0) { 00662 fprintf(stderr, "dup2(): %s\n", strerror(errno)); 00663 goto quit; 00664 } 00665 00666 close(fd); 00667 00668 if (!stream_name) 00669 stream_name = pa_xstrdup(argv[optind]); 00670 00671 } else { 00672 fprintf(stderr, "Too many arguments.\n"); 00673 goto quit; 00674 } 00675 } 00676 00677 if (!client_name) 00678 client_name = pa_xstrdup(bn); 00679 00680 if (!stream_name) 00681 stream_name = pa_xstrdup(client_name); 00682 00683 /* Set up a new main loop */ 00684 if (!(m = pa_mainloop_new())) { 00685 fprintf(stderr, "pa_mainloop_new() failed.\n"); 00686 goto quit; 00687 } 00688 00689 mainloop_api = pa_mainloop_get_api(m); 00690 00691 r = pa_signal_init(mainloop_api); 00692 assert(r == 0); 00693 pa_signal_new(SIGINT, exit_signal_callback, NULL); 00694 pa_signal_new(SIGTERM, exit_signal_callback, NULL); 00695 #ifdef SIGUSR1 00696 pa_signal_new(SIGUSR1, sigusr1_signal_callback, NULL); 00697 #endif 00698 #ifdef SIGPIPE 00699 signal(SIGPIPE, SIG_IGN); 00700 #endif 00701 00702 if (!(stdio_event = mainloop_api->io_new(mainloop_api, 00703 mode == PLAYBACK ? STDIN_FILENO : STDOUT_FILENO, 00704 mode == PLAYBACK ? PA_IO_EVENT_INPUT : PA_IO_EVENT_OUTPUT, 00705 mode == PLAYBACK ? stdin_callback : stdout_callback, NULL))) { 00706 fprintf(stderr, "io_new() failed.\n"); 00707 goto quit; 00708 } 00709 00710 /* Create a new connection context */ 00711 if (!(context = pa_context_new(mainloop_api, client_name))) { 00712 fprintf(stderr, "pa_context_new() failed.\n"); 00713 goto quit; 00714 } 00715 00716 pa_context_set_state_callback(context, context_state_callback, NULL); 00717 00718 /* Connect the context */ 00719 pa_context_connect(context, server, 0, NULL); 00720 00721 if (verbose) { 00722 struct timeval tv; 00723 00724 pa_gettimeofday(&tv); 00725 pa_timeval_add(&tv, TIME_EVENT_USEC); 00726 00727 if (!(time_event = mainloop_api->time_new(mainloop_api, &tv, time_event_callback, NULL))) { 00728 fprintf(stderr, "time_new() failed.\n"); 00729 goto quit; 00730 } 00731 } 00732 00733 /* Run the main loop */ 00734 if (pa_mainloop_run(m, &ret) < 0) { 00735 fprintf(stderr, "pa_mainloop_run() failed.\n"); 00736 goto quit; 00737 } 00738 00739 quit: 00740 if (stream) 00741 pa_stream_unref(stream); 00742 00743 if (context) 00744 pa_context_unref(context); 00745 00746 if (stdio_event) { 00747 assert(mainloop_api); 00748 mainloop_api->io_free(stdio_event); 00749 } 00750 00751 if (time_event) { 00752 assert(mainloop_api); 00753 mainloop_api->time_free(time_event); 00754 } 00755 00756 if (m) { 00757 pa_signal_done(); 00758 pa_mainloop_free(m); 00759 } 00760 00761 pa_xfree(buffer); 00762 00763 pa_xfree(server); 00764 pa_xfree(device); 00765 pa_xfree(client_name); 00766 pa_xfree(stream_name); 00767 00768 return ret; 00769 }