play.c revision 1.23
1 /* $NetBSD: play.c,v 1.23 2001/03/04 15:27:35 hubertf Exp $ */ 2 3 /* 4 * Copyright (c) 1999 Matthew R. Green 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 23 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 25 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 #include <sys/param.h> 32 #include <sys/audioio.h> 33 #include <sys/ioctl.h> 34 #include <sys/mman.h> 35 #include <sys/stat.h> 36 37 #include <err.h> 38 #include <fcntl.h> 39 #include <stdio.h> 40 #include <stdlib.h> 41 #include <string.h> 42 #include <unistd.h> 43 44 #include <paths.h> 45 46 #include "libaudio.h" 47 48 int main (int, char *[]); 49 void usage (void); 50 void play (char *); 51 void play_fd (char *, int); 52 ssize_t audioctl_write_fromhdr (void *, size_t, int, size_t *); 53 54 audio_info_t info; 55 int volume; 56 int balance; 57 int port; 58 int fflag; 59 int qflag; 60 int sample_rate; 61 int encoding; 62 char *encoding_str; 63 int precision; 64 int channels; 65 66 char const *play_errstring = NULL; 67 size_t bufsize; 68 int audiofd, ctlfd; 69 int exitstatus = EXIT_SUCCESS; 70 71 int 72 main(argc, argv) 73 int argc; 74 char *argv[]; 75 { 76 size_t len; 77 int ch; 78 int iflag = 0; 79 int verbose = 0; 80 char *device = 0; 81 char *ctldev = 0; 82 83 while ((ch = getopt(argc, argv, "b:C:c:d:e:fhip:P:qs:Vv:")) != -1) { 84 switch (ch) { 85 case 'b': 86 decode_int(optarg, &balance); 87 if (balance < 0 || balance > 64) 88 errx(1, "balance must be between 0 and 64"); 89 break; 90 case 'c': 91 decode_int(optarg, &channels); 92 if (channels < 0) 93 errx(1, "channels must be positive"); 94 break; 95 case 'C': 96 ctldev = optarg; 97 break; 98 case 'd': 99 device = optarg; 100 break; 101 case 'e': 102 encoding_str = optarg; 103 break; 104 case 'f': 105 fflag = 1; 106 break; 107 case 'i': 108 iflag++; 109 break; 110 case 'q': 111 qflag++; 112 break; 113 case 'P': 114 decode_int(optarg, &precision); 115 if (precision != 8 && precision != 16 && 116 precision != 24 && precision != 32) 117 errx(1, "precision must be between 8, 16, 24 or 32"); 118 break; 119 case 'p': 120 len = strlen(optarg); 121 122 if (strncmp(optarg, "speaker", len) == 0) 123 port |= AUDIO_SPEAKER; 124 else if (strncmp(optarg, "headphone", len) == 0) 125 port |= AUDIO_HEADPHONE; 126 else if (strncmp(optarg, "line", len) == 0) 127 port |= AUDIO_LINE_OUT; 128 else 129 errx(1, 130 "port must be `speaker', `headphone', or `line'"); 131 break; 132 case 's': 133 decode_int(optarg, &sample_rate); 134 if (sample_rate < 0 || sample_rate > 48000 * 2) /* XXX */ 135 errx(1, "sample rate must be between 0 and 96000\n"); 136 break; 137 case 'V': 138 verbose++; 139 break; 140 case 'v': 141 volume = atoi(optarg); 142 if (volume < 0 || volume > 255) 143 errx(1, "volume must be between 0 and 255\n"); 144 break; 145 /* case 'h': */ 146 default: 147 usage(); 148 /* NOTREACHED */ 149 } 150 } 151 argc -= optind; 152 argv += optind; 153 154 if (encoding_str) { 155 encoding = audio_enc_to_val(encoding_str); 156 if (encoding == -1) 157 errx(1, "unknown encoding, bailing..."); 158 } 159 160 if (device == NULL && (device = getenv("AUDIODEVICE")) == NULL && 161 (device = getenv("AUDIODEV")) == NULL) /* Sun compatibility */ 162 device = _PATH_AUDIO; 163 if (ctldev == NULL && (ctldev = getenv("AUDIOCTLDEVICE")) == NULL) 164 ctldev = _PATH_AUDIOCTL; 165 166 audiofd = open(device, O_WRONLY); 167 #ifdef _PATH_OAUDIO 168 /* Allow the non-unit device to be used. */ 169 if (audiofd < 0 && device == _PATH_AUDIO) { 170 device = _PATH_OAUDIO; 171 ctldev = _PATH_OAUDIOCTL; 172 audiofd = open(device, O_WRONLY); 173 } 174 #endif 175 if (audiofd < 0) 176 err(1, "failed to open %s", device); 177 ctlfd = open(ctldev, O_RDWR); 178 if (ctlfd < 0) 179 err(1, "failed to open %s", ctldev); 180 181 if (ioctl(ctlfd, AUDIO_GETINFO, &info) < 0) 182 err(1, "failed to get audio info"); 183 bufsize = info.play.buffer_size; 184 if (bufsize < 32 * 1024) 185 bufsize = 32 * 1024; 186 187 if (*argv) 188 do 189 play(*argv++); 190 while (*argv); 191 else 192 play_fd("standard input", STDIN_FILENO); 193 194 exit(exitstatus); 195 } 196 197 void 198 play(file) 199 char *file; 200 { 201 struct stat sb; 202 void *addr, *oaddr; 203 off_t filesize; 204 size_t datasize; 205 ssize_t hdrlen; 206 int fd; 207 208 fd = open(file, O_RDONLY); 209 if (fd < 0) { 210 if (!qflag) 211 warn("could not open %s", file); 212 exitstatus = EXIT_FAILURE; 213 return; 214 } 215 216 if (fstat(fd, &sb) < 0) 217 err(1, "could not fstat %s", file); 218 filesize = sb.st_size; 219 220 oaddr = addr = mmap(0, (size_t)filesize, PROT_READ, 221 MAP_SHARED, fd, 0); 222 223 /* 224 * if we failed to mmap the file, try to read it 225 * instead, so that filesystems, etc, that do not 226 * support mmap() work 227 */ 228 if (addr == MAP_FAILED) { 229 play_fd(file, fd); 230 close(fd); 231 return; 232 } 233 234 /* 235 * give the VM system a bit of a hint about the type 236 * of accesses we will make. 237 */ 238 if (madvise(addr, filesize, MADV_SEQUENTIAL) < 0 && 239 !qflag) 240 warn("madvise failed, ignoring"); 241 242 /* 243 * get the header length and set up the audio device 244 */ 245 if ((hdrlen = audioctl_write_fromhdr(addr, 246 (size_t)filesize, ctlfd, &datasize)) < 0) { 247 if (play_errstring) 248 errx(1, "%s: %s", play_errstring, file); 249 else 250 errx(1, "unknown audio file: %s", file); 251 } 252 253 filesize -= hdrlen; 254 addr = (char *)addr + hdrlen; 255 if (filesize < datasize || datasize == 0) { 256 warn("bogus datasize:%u", datasize); 257 datasize = filesize; 258 } 259 260 while (datasize > bufsize) { 261 if (write(audiofd, addr, bufsize) != bufsize) 262 err(1, "write failed"); 263 addr = (char *)addr + bufsize; 264 datasize -= bufsize; 265 } 266 if (write(audiofd, addr, (size_t)datasize) != (ssize_t)datasize) 267 err(1, "final write failed"); 268 269 if (ioctl(audiofd, AUDIO_DRAIN) < 0 && !qflag) 270 warn("audio drain ioctl failed"); 271 if (munmap(oaddr, (size_t)filesize) < 0) 272 err(1, "munmap failed"); 273 274 close(fd); 275 276 } 277 /* 278 * play the file on on the file descriptor fd 279 */ 280 void 281 play_fd(file, fd) 282 char *file; 283 int fd; 284 { 285 char *buffer = malloc(bufsize); 286 ssize_t hdrlen; 287 int n; 288 size_t datasize; 289 size_t datainbuf; 290 291 if (buffer == NULL) 292 err(1, "malloc of read buffer failed"); 293 294 n = read(fd, buffer, bufsize); 295 296 if (n < 0) 297 err(1, "read of standard input failed"); 298 if (n == 0) 299 errx(1, "EOF on standard input"); 300 301 hdrlen = audioctl_write_fromhdr(buffer, n, ctlfd, &datasize); 302 if (hdrlen < 0) { 303 if (play_errstring) 304 errx(1, "%s: %s", play_errstring, file); 305 else 306 errx(1, "unknown audio file: %s", file); 307 } 308 309 /* advance the buffer if we have to */ 310 if (hdrlen > 0) { 311 /* shouldn't happen */ 312 if (hdrlen > n) 313 err(1, "bogus hdrlen %d > length %d?", (int)hdrlen, n); 314 315 memmove(buffer, buffer + hdrlen, n - hdrlen); 316 } 317 318 datainbuf = n; 319 do { 320 if (datasize < datainbuf) { 321 datainbuf = datasize; 322 } 323 else { 324 n = read(fd, buffer + datainbuf, MIN(bufsize - datainbuf, datasize)); 325 if (n == -1) 326 err(1, "read of %s failed", file); 327 datainbuf += n; 328 } 329 if (write(audiofd, buffer, datainbuf) != datainbuf) 330 err(1, "write failed"); 331 332 datasize -= datainbuf; 333 datainbuf = 0; 334 } 335 while (datasize); 336 337 if (ioctl(audiofd, AUDIO_DRAIN) < 0 && !qflag) 338 warn("audio drain ioctl failed"); 339 } 340 341 /* 342 * only support sun and wav audio files so far ... 343 * 344 * XXX this should probably be mostly part of libaudio, but it 345 * uses the local "info" variable. blah... fix me! 346 */ 347 ssize_t 348 audioctl_write_fromhdr(hdr, fsz, fd, datasize) 349 void *hdr; 350 size_t fsz; 351 int fd; 352 size_t *datasize; 353 { 354 sun_audioheader *sunhdr; 355 ssize_t hdr_len; 356 357 AUDIO_INITINFO(&info); 358 sunhdr = hdr; 359 if (ntohl(sunhdr->magic) == AUDIO_FILE_MAGIC) { 360 if (audio_sun_to_encoding(ntohl(sunhdr->encoding), 361 &info.play.encoding, &info.play.precision)) { 362 if (!qflag) 363 warnx("unknown unsupported Sun audio encoding" 364 " format %d", ntohl(sunhdr->encoding)); 365 if (fflag) 366 goto set_audio_mode; 367 return (-1); 368 } 369 370 info.play.sample_rate = ntohl(sunhdr->sample_rate); 371 info.play.channels = ntohl(sunhdr->channels); 372 hdr_len = ntohl(sunhdr->hdr_size); 373 374 *datasize = ntohl(sunhdr->data_size); 375 goto set_audio_mode; 376 } 377 378 hdr_len = audio_parse_wav_hdr(hdr, fsz, &info.play.encoding, 379 &info.play.precision, &info.play.sample_rate, &info.play.channels, datasize); 380 381 switch (hdr_len) { 382 case AUDIO_ESHORTHDR: 383 case AUDIO_EWAVUNSUPP: 384 case AUDIO_EWAVBADPCM: 385 case AUDIO_EWAVNODATA: 386 play_errstring = audio_errstring(hdr_len); 387 /* FALL THROUGH */ 388 case AUDIO_ENOENT: 389 break; 390 default: 391 if (hdr_len < 1) 392 break; 393 goto set_audio_mode; 394 } 395 /* 396 * if we don't know it, bail unless we are forcing. 397 */ 398 if (fflag == 0) 399 return (-1); 400 set_audio_mode: 401 if (port) 402 info.play.port = port; 403 if (volume) 404 info.play.gain = volume; 405 if (balance) 406 info.play.balance = balance; 407 if (fflag) { 408 if (sample_rate) 409 info.play.sample_rate = sample_rate; 410 if (channels) 411 info.play.channels = channels; 412 if (encoding) 413 info.play.encoding = encoding; 414 if (precision) 415 info.play.precision = precision; 416 hdr_len = 0; 417 } 418 info.mode = AUMODE_PLAY_ALL; 419 420 if (ioctl(fd, AUDIO_SETINFO, &info) < 0) 421 err(1, "failed to set audio info"); 422 423 return (hdr_len); 424 } 425 426 void 427 usage() 428 { 429 430 fprintf(stderr, "Usage: %s [-hiqV] [options] files\n", getprogname()); 431 fprintf(stderr, "Options:\n\t" 432 "-C audio control device\n\t" 433 "-b balance (0-63)\n\t" 434 "-d audio device\n\t" 435 "-f force settings\n\t" 436 "\t-c forced channels\n\t" 437 "\t-e forced encoding\n\t" 438 "\t-P forced precision\n\t" 439 "\t-s forced sample rate\n\t" 440 "-i header information\n\t" 441 "-m monitor volume\n\t" 442 "-p output port\n\t" 443 "-v volume\n"); 444 exit(EXIT_FAILURE); 445 } 446
Indexes created Sat Oct 11 19:10:01 GMT 2025