play.c revision 1.16
1 /* $NetBSD: play.c,v 1.16 1999/11/08 10:21:20 kleink 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 __P((int, char *[])); 49 void usage __P((void)); 50 void play_fd __P((int, char *)); 51 ssize_t audioctl_write_fromhdr __P((void *, size_t, int)); 52 53 audio_info_t info; 54 int volume; 55 int balance; 56 int port; 57 int fflag; 58 int sample_rate; 59 int encoding; 60 char *encoding_str; 61 int precision; 62 int channels; 63 64 char const *play_errstring = NULL; 65 size_t bufsize; 66 int audiofd, ctlfd; 67 68 int 69 main(argc, argv) 70 int argc; 71 char *argv[]; 72 { 73 size_t len; 74 off_t filesize; 75 int ch; 76 int exitstatus = EXIT_SUCCESS; 77 int iflag = 0; 78 int qflag = 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 int fd; 189 struct stat sb; 190 void *addr, *oaddr; 191 192 do { 193 ssize_t hdrlen; 194 195 fd = open(*argv, O_RDONLY); 196 if (fd < 0) { 197 warn("could not open %s", *argv); 198 exitstatus = EXIT_FAILURE; 199 continue; 200 } 201 202 if (fstat(fd, &sb) < 0) 203 err(1, "could not fstat %s", *argv); 204 filesize = sb.st_size; 205 206 oaddr = addr = mmap(0, (size_t)filesize, PROT_READ, 207 MAP_SHARED, fd, 0); 208 209 /* 210 * if we failed to mmap the file, try to read it 211 * instead, so that filesystems, etc, that do not 212 * support mmap() work 213 */ 214 if (addr == MAP_FAILED) { 215 play_fd(fd, *argv); 216 close(fd); 217 continue; 218 } 219 220 /* 221 * give the VM system a bit of a hint about the type 222 * of accesses we will make. 223 */ 224 if (madvise(addr, filesize, MADV_SEQUENTIAL) < 0) 225 warn("madvise failed, ignoring"); 226 227 /* 228 * get the header length and set up the audio device 229 */ 230 if ((hdrlen = audioctl_write_fromhdr(addr, 231 (size_t)filesize, ctlfd)) < 0) { 232 if (play_errstring) 233 errx(1, "%s: %s", play_errstring, *argv); 234 else 235 errx(1, "unknown audio file: %s", *argv); 236 } 237 238 filesize -= hdrlen; 239 addr = (char *)addr + hdrlen; 240 241 while (filesize > bufsize) { 242 if (write(audiofd, addr, bufsize) != bufsize) 243 err(1, "write failed"); 244 addr = (char *)addr + bufsize; 245 filesize -= bufsize; 246 } 247 if (write(audiofd, addr, (size_t)filesize) != (ssize_t)filesize) 248 err(1, "final write failed"); 249 250 if (ioctl(audiofd, AUDIO_DRAIN) < 0) 251 warn("audio drain ioctl failed"); 252 if (munmap(oaddr, (size_t)filesize) < 0) 253 err(1, "munmap failed"); 254 255 close(fd); 256 257 } while (*++argv); 258 } else { 259 play_fd(STDIN_FILENO, "standard input"); 260 } 261 262 exit(exitstatus); 263 } 264 265 /* 266 * play the file on on the file descriptor fd 267 */ 268 void 269 play_fd(fd, file) 270 int fd; 271 char *file; 272 { 273 char *buffer = malloc(bufsize); 274 ssize_t hdrlen; 275 int n, m; 276 277 if (buffer == NULL) 278 err(1, "malloc of read buffer failed"); 279 280 n = read(fd, buffer, bufsize); 281 282 if (n < 0) 283 err(1, "read of standard input failed"); 284 if (n == 0) 285 errx(1, "EOF on standard input"); 286 287 hdrlen = audioctl_write_fromhdr(buffer, n, ctlfd); 288 if (hdrlen < 0) { 289 if (play_errstring) 290 errx(1, "%s: %s", play_errstring, file); 291 else 292 errx(1, "unknown audio file: %s", file); 293 } 294 295 /* advance the buffer if we have to */ 296 if (hdrlen > 0) { 297 /* shouldn't happen */ 298 if (hdrlen > n) 299 err(1, "bogus hdrlen %d > length %d?", (int)hdrlen, n); 300 301 memmove(buffer, buffer + hdrlen, n - hdrlen); 302 303 m = read(fd, buffer + n, hdrlen); 304 n += m; 305 } 306 /* read until EOF or error */ 307 do { 308 if (n == -1) 309 err(1, "read of standard input failed"); 310 if (write(audiofd, buffer, n) != n) 311 err(1, "write failed"); 312 } while ((n = read(fd, buffer, bufsize))); 313 314 if (ioctl(audiofd, AUDIO_DRAIN) < 0) 315 warn("audio drain ioctl failed"); 316 } 317 318 /* 319 * only support sun and wav audio files so far ... 320 * 321 * XXX this should probably be mostly part of libaudio, but it 322 * uses the local "info" variable. blah... fix me! 323 */ 324 ssize_t 325 audioctl_write_fromhdr(hdr, fsz, fd) 326 void *hdr; 327 size_t fsz; 328 int fd; 329 { 330 sun_audioheader *sunhdr; 331 ssize_t hdr_len; 332 333 AUDIO_INITINFO(&info); 334 sunhdr = hdr; 335 if (ntohl(sunhdr->magic) == AUDIO_FILE_MAGIC) { 336 if (audio_get_sun_encoding(ntohl(sunhdr->encoding), 337 &info.play.encoding, &info.play.precision)) { 338 warnx("unknown unsupported Sun audio encoding format %d", 339 ntohl(sunhdr->encoding)); 340 if (fflag) 341 goto set_audio_mode; 342 return (-1); 343 } 344 345 info.play.sample_rate = ntohl(sunhdr->sample_rate); 346 info.play.channels = ntohl(sunhdr->channels); 347 hdr_len = ntohl(sunhdr->hdr_size); 348 349 goto set_audio_mode; 350 } 351 352 hdr_len = audio_parse_wav_hdr(hdr, fsz, &info.play.encoding, 353 &info.play.precision, &info.play.sample_rate, &info.play.channels); 354 355 switch (hdr_len) { 356 case AUDIO_ESHORTHDR: 357 case AUDIO_EWAVUNSUPP: 358 case AUDIO_EWAVBADPCM: 359 case AUDIO_EWAVNODATA: 360 play_errstring = audio_errstring(hdr_len); 361 /* FALL THROUGH */ 362 case AUDIO_ENOENT: 363 break; 364 default: 365 if (hdr_len < 1) 366 break; 367 goto set_audio_mode; 368 } 369 /* 370 * if we don't know it, bail unless we are forcing. 371 */ 372 if (fflag == 0) 373 return (-1); 374 set_audio_mode: 375 if (port) 376 info.play.port = port; 377 if (volume) 378 info.play.gain = volume; 379 if (balance) 380 info.play.balance = balance; 381 if (fflag) { 382 if (sample_rate) 383 info.play.sample_rate = sample_rate; 384 if (channels) 385 info.play.channels = channels; 386 if (encoding) 387 info.play.encoding = encoding; 388 if (precision) 389 info.play.precision = precision; 390 hdr_len = 0; 391 } 392 info.mode = AUMODE_PLAY_ALL; 393 394 if (ioctl(fd, AUDIO_SETINFO, &info) < 0) 395 err(1, "failed to set audio info"); 396 397 return (hdr_len); 398 } 399 400 void 401 usage() 402 { 403 extern char *__progname; 404 405 fprintf(stderr, "Usage: %s [-hiqV] [options] files\n", __progname); 406 fprintf(stderr, "Options:\n\t" 407 "-C audio control device\n\t" 408 "-b balance (0-63)\n\t" 409 "-d audio device\n\t" 410 "-f force settings\n\t" 411 "\t-c forced channels\n\t" 412 "\t-e forced encoding\n\t" 413 "\t-P forced precision\n\t" 414 "\t-s forced sample rate\n\t" 415 "-i header information\n\t" 416 "-m monitor volume\n\t" 417 "-p output port\n\t" 418 "-v volume\n"); 419 exit(EXIT_FAILURE); 420 } 421
Indexes created Sun Oct 12 02:09:55 GMT 2025