play.c revision 1.7.2.4
1 /* $NetBSD: play.c,v 1.7.2.4 1999/10/22 09:37:04 he 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 ssize_t audioctl_write_fromhdr __P((void *, size_t, int)); 51 52 audio_info_t info; 53 int volume; 54 int balance; 55 int port; 56 int fflag; 57 int sample_rate; 58 int encoding; 59 char *encoding_str; 60 int precision; 61 int channels; 62 63 char const *play_errstring = NULL; 64 65 int 66 main(argc, argv) 67 int argc; 68 char *argv[]; 69 { 70 size_t len, bufsize; 71 ssize_t hdrlen; 72 off_t filesize; 73 int ch, audiofd, ctlfd; 74 int iflag = 0; 75 int qflag = 0; 76 int verbose = 0; 77 char *device = 0; 78 char *ctldev = 0; 79 80 while ((ch = getopt(argc, argv, "b:C:c:d:e:fhip:P:qs:Vv:")) != -1) { 81 switch (ch) { 82 case 'b': 83 decode_int(optarg, &balance); 84 if (balance < 0 || balance > 64) 85 errx(1, "balance must be between 0 and 64"); 86 break; 87 case 'c': 88 decode_int(optarg, &channels); 89 if (channels < 0) 90 errx(1, "channels must be positive"); 91 break; 92 case 'C': 93 ctldev = optarg; 94 break; 95 case 'd': 96 device = optarg; 97 break; 98 case 'e': 99 encoding_str = optarg; 100 break; 101 case 'f': 102 fflag = 1; 103 break; 104 case 'i': 105 iflag++; 106 break; 107 case 'q': 108 qflag++; 109 break; 110 case 'P': 111 decode_int(optarg, &precision); 112 if (precision != 8 && precision != 16 && 113 precision != 24 && precision != 32) 114 errx(1, "precision must be between 8, 16, 24 or 32"); 115 break; 116 case 'p': 117 len = strlen(optarg); 118 119 if (strncmp(optarg, "speaker", len) == 0) 120 port |= AUDIO_SPEAKER; 121 else if (strncmp(optarg, "headphone", len) == 0) 122 port |= AUDIO_HEADPHONE; 123 else if (strncmp(optarg, "line", len) == 0) 124 port |= AUDIO_LINE_OUT; 125 else 126 errx(1, 127 "port must be `speaker', `headphone', or `line'"); 128 break; 129 case 's': 130 decode_int(optarg, &sample_rate); 131 if (sample_rate < 0 || sample_rate > 48000 * 2) /* XXX */ 132 errx(1, "sample rate must be between 0 and 96000\n"); 133 break; 134 case 'V': 135 verbose++; 136 break; 137 case 'v': 138 volume = atoi(optarg); 139 if (volume < 0 || volume > 255) 140 errx(1, "volume must be between 0 and 255\n"); 141 break; 142 /* case 'h': */ 143 default: 144 usage(); 145 /* NOTREACHED */ 146 } 147 } 148 argc -= optind; 149 argv += optind; 150 151 if (encoding_str) { 152 encoding = audio_enc_to_val(encoding_str); 153 if (encoding == -1) 154 errx(1, "unknown encoding, bailing..."); 155 } 156 157 if (device == NULL && (device = getenv("AUDIODEVICE")) == NULL && 158 (device = getenv("AUDIODEV")) == NULL) /* Sun compatibility */ 159 device = _PATH_AUDIO; 160 if (ctldev == NULL && (ctldev = getenv("AUDIOCTLDEVICE")) == NULL) 161 ctldev = _PATH_AUDIOCTL; 162 163 audiofd = open(device, O_WRONLY); 164 #ifdef _PATH_OAUDIO 165 /* Allow the non-unit device to be used. */ 166 if (audiofd < 0 && device == _PATH_AUDIO) { 167 device = _PATH_OAUDIO; 168 ctldev = _PATH_OAUDIOCTL; 169 audiofd = open(device, O_WRONLY); 170 } 171 #endif 172 if (audiofd < 0) 173 err(1, "failed to open %s", device); 174 ctlfd = open(ctldev, O_RDWR); 175 if (ctlfd < 0) 176 err(1, "failed to open %s", ctldev); 177 178 if (ioctl(ctlfd, AUDIO_GETINFO, &info) < 0) 179 err(1, "failed to get audio info"); 180 bufsize = info.play.buffer_size; 181 if (bufsize < 32 * 1024) 182 bufsize = 32 * 1024; 183 184 if (*argv) { 185 int fd; 186 struct stat sb; 187 void *addr, *oaddr; 188 189 do { 190 fd = open(*argv, O_RDONLY); 191 if (fd < 0) 192 err(1, "could not open %s", *argv); 193 194 if (fstat(fd, &sb) < 0) 195 err(1, "could not fstat %s", *argv); 196 filesize = sb.st_size; 197 198 oaddr = addr = mmap(0, (size_t)filesize, PROT_READ, 199 MAP_SHARED, fd, 0); 200 if (addr == (void *)-1) 201 err(1, "could not mmap %s", *argv); 202 203 if ((hdrlen = audioctl_write_fromhdr(addr, 204 (size_t)filesize, ctlfd)) < 0) { 205 play_error: 206 if (play_errstring) 207 errx(1, "%s: %s", play_errstring, *argv); 208 else 209 errx(1, "unknown audio file: %s", *argv); 210 } 211 212 filesize -= hdrlen; 213 (char *)addr += hdrlen; 214 215 while (filesize > bufsize) { 216 if (write(audiofd, addr, bufsize) != bufsize) 217 err(1, "write failed"); 218 (char *)addr += bufsize; 219 filesize -= bufsize; 220 } 221 if (write(audiofd, addr, (size_t)filesize) != (ssize_t)filesize) 222 err(1, "final write failed"); 223 224 ioctl(audiofd, AUDIO_DRAIN); 225 if (munmap(oaddr, (size_t)filesize) < 0) 226 err(1, "munmap failed"); 227 228 close(fd); 229 230 } while (*++argv); 231 } else { 232 char *buffer = malloc(bufsize); 233 int n, m; 234 235 if (buffer == NULL) 236 err(1, "malloc of read buffer failed"); 237 238 n = read(STDIN_FILENO, buffer, bufsize); 239 240 if (n < 0) 241 err(1, "read of standard input failed"); 242 if (n == 0) 243 errx(1, "EOF on standard input"); 244 245 hdrlen = audioctl_write_fromhdr(buffer, n, ctlfd); 246 if (hdrlen < 0) 247 goto play_error; 248 249 /* advance the buffer if we have to */ 250 if (hdrlen > 0) { 251 /* shouldn't happen */ 252 if (hdrlen > n) 253 err(1, "bogus hdrlen %d > length %d?", (int)hdrlen, n); 254 255 memmove(buffer, buffer + hdrlen, n - hdrlen); 256 257 m = read(STDIN_FILENO, buffer + n, hdrlen); 258 n += m; 259 } 260 /* read until EOF or error */ 261 do { 262 if (n == -1) 263 err(1, "read of standard input failed"); 264 if (write(audiofd, buffer, n) != n) 265 err(1, "write failed"); 266 } while ((n = read(STDIN_FILENO, buffer, bufsize))); 267 ioctl(audiofd, AUDIO_DRAIN); 268 } 269 270 exit(0); 271 } 272 273 /* 274 * only support sun and wav audio files so far ... 275 * 276 * XXX this should probably be mostly part of libaudio, but it 277 * uses the local "info" variable. blah... fix me! 278 */ 279 ssize_t 280 audioctl_write_fromhdr(hdr, fsz, fd) 281 void *hdr; 282 size_t fsz; 283 int fd; 284 { 285 sun_audioheader *sunhdr; 286 ssize_t hdr_len; 287 288 AUDIO_INITINFO(&info); 289 sunhdr = hdr; 290 if (ntohl(sunhdr->magic) == AUDIO_FILE_MAGIC) { 291 if (audio_get_sun_encoding(ntohl(sunhdr->encoding), 292 &info.play.encoding, &info.play.precision)) { 293 warnx("unknown unsupported Sun audio encoding format %d", 294 ntohl(sunhdr->encoding)); 295 if (fflag) 296 goto set_audio_mode; 297 return (-1); 298 } 299 300 info.play.sample_rate = ntohl(sunhdr->sample_rate); 301 info.play.channels = ntohl(sunhdr->channels); 302 hdr_len = ntohl(sunhdr->hdr_size); 303 304 goto set_audio_mode; 305 } 306 307 hdr_len = audio_parse_wav_hdr(hdr, fsz, &info.play.encoding, 308 &info.play.precision, &info.play.sample_rate, &info.play.channels); 309 310 switch (hdr_len) { 311 case AUDIO_ESHORTHDR: 312 case AUDIO_EWAVUNSUPP: 313 case AUDIO_EWAVBADPCM: 314 case AUDIO_EWAVNODATA: 315 play_errstring = audio_errstring(hdr_len); 316 /* FALL THROUGH */ 317 case AUDIO_ENOENT: 318 break; 319 default: 320 if (hdr_len < 1) 321 break; 322 goto set_audio_mode; 323 } 324 /* 325 * if we don't know it, bail unless we are forcing. 326 */ 327 if (fflag == 0) 328 return (-1); 329 set_audio_mode: 330 if (port) 331 info.play.port = port; 332 if (volume) 333 info.play.gain = volume; 334 if (balance) 335 info.play.balance = balance; 336 if (fflag) { 337 if (sample_rate) 338 info.play.sample_rate = sample_rate; 339 if (channels) 340 info.play.channels = channels; 341 if (encoding) 342 info.play.encoding = encoding; 343 if (precision) 344 info.play.encoding = precision; 345 } 346 info.mode = AUMODE_PLAY_ALL; 347 348 if (ioctl(fd, AUDIO_SETINFO, &info) < 0) 349 err(1, "failed to set audio info"); 350 351 return (hdr_len); 352 } 353 354 void 355 usage() 356 { 357 extern char *__progname; 358 359 fprintf(stderr, "Usage: %s [-hiqV] [options] files\n", __progname); 360 fprintf(stderr, "Options:\n\t" 361 "-C audio control device\n\t" 362 "-b balance (0-63)\n\t" 363 "-d audio device\n\t" 364 "-f force settings\n\t" 365 "\t-c forced channels\n\t" 366 "\t-e forced encoding\n\t" 367 "\t-P forced precision\n\t" 368 "\t-s forced sample rate\n\t" 369 "-i header information\n\t" 370 "-m monitor volume\n\t" 371 "-p output port\n\t" 372 "-v volume\n"); 373 exit(0); 374 } 375
Indexes created Sat Oct 11 19:10:01 GMT 2025