Guido van Rossum | 9c52e0f | 1992-06-03 17:06:14 +0000 | [diff] [blame] | 1 | /*********************************************************** |
Guido van Rossum | 9bfef44 | 1993-03-29 10:43:31 +0000 | [diff] [blame] | 2 | Copyright 1991, 1992, 1993 by Stichting Mathematisch Centrum, |
| 3 | Amsterdam, The Netherlands. |
Guido van Rossum | 9c52e0f | 1992-06-03 17:06:14 +0000 | [diff] [blame] | 4 | |
| 5 | All Rights Reserved |
| 6 | |
| 7 | Permission to use, copy, modify, and distribute this software and its |
| 8 | documentation for any purpose and without fee is hereby granted, |
| 9 | provided that the above copyright notice appear in all copies and that |
| 10 | both that copyright notice and this permission notice appear in |
| 11 | supporting documentation, and that the names of Stichting Mathematisch |
| 12 | Centrum or CWI not be used in advertising or publicity pertaining to |
| 13 | distribution of the software without specific, written prior permission. |
| 14 | |
| 15 | STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO |
| 16 | THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| 17 | FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE |
| 18 | FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 19 | WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 20 | ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT |
| 21 | OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 22 | |
| 23 | ******************************************************************/ |
| 24 | |
| 25 | /* Sad objects */ |
| 26 | |
| 27 | #include "allobjects.h" |
| 28 | #include "modsupport.h" |
| 29 | #include "structmember.h" |
| 30 | |
Guido van Rossum | 234f942 | 1993-06-17 12:35:49 +0000 | [diff] [blame] | 31 | #include <stropts.h> |
Guido van Rossum | 9c52e0f | 1992-06-03 17:06:14 +0000 | [diff] [blame] | 32 | #include <sys/ioctl.h> |
| 33 | #include <sun/audioio.h> |
| 34 | |
| 35 | /* #define offsetof(str,mem) ((int)(((str *)0)->mem)) */ |
| 36 | |
| 37 | typedef struct { |
| 38 | OB_HEAD |
| 39 | int x_fd; /* The open file */ |
| 40 | int x_icount; /* # samples read */ |
| 41 | int x_ocount; /* # samples written */ |
| 42 | int x_isctl; /* True if control device */ |
| 43 | |
| 44 | } sadobject; |
| 45 | |
| 46 | typedef struct { |
| 47 | OB_HEAD |
| 48 | audio_info_t ai; |
| 49 | } sadstatusobject; |
| 50 | |
| 51 | extern typeobject Sadtype; /* Really static, forward */ |
| 52 | extern typeobject Sadstatustype; /* Really static, forward */ |
| 53 | extern sadstatusobject *sads_alloc(); /* Forward */ |
| 54 | |
| 55 | static object *SunAudioError; |
| 56 | |
| 57 | static int dummy_for_dl; |
| 58 | |
| 59 | #define is_sadobject(v) ((v)->ob_type == &Sadtype) |
| 60 | #define is_sadstatusobject(v) ((v)->ob_type == &Sadstatustype) |
| 61 | |
| 62 | static sadobject * |
| 63 | newsadobject(arg) |
| 64 | object *arg; |
| 65 | { |
| 66 | sadobject *xp; |
| 67 | int fd; |
| 68 | char *mode; |
| 69 | int imode; |
| 70 | |
| 71 | /* Check arg for r/w/rw */ |
| 72 | if ( !getargs(arg, "s", &mode) ) |
| 73 | return 0; |
| 74 | if ( strcmp(mode, "r") == 0 ) |
| 75 | imode = 0; |
| 76 | else if ( strcmp(mode, "w") == 0 ) |
| 77 | imode = 1; |
| 78 | else if ( strcmp(mode, "rw") == 0 ) |
| 79 | imode = 2; |
| 80 | else if ( strcmp(mode, "control") == 0 ) |
| 81 | imode = -1; |
| 82 | else { |
| 83 | err_setstr(SunAudioError, |
| 84 | "Mode should be one of 'r', 'w', 'rw' or 'control'"); |
| 85 | return 0; |
| 86 | } |
| 87 | |
| 88 | /* Open the correct device */ |
| 89 | if ( imode < 0 ) |
| 90 | fd = open("/dev/audioctl", 2); /* XXXX Chaeck that this works */ |
| 91 | else |
| 92 | fd = open("/dev/audio", imode); |
| 93 | if ( fd < 0 ) { |
| 94 | err_errno(SunAudioError); |
| 95 | return NULL; |
| 96 | } |
| 97 | |
| 98 | /* Create and initialize the object */ |
| 99 | xp = NEWOBJ(sadobject, &Sadtype); |
| 100 | if (xp == NULL) |
| 101 | return NULL; |
| 102 | xp->x_fd = fd; |
| 103 | xp->x_icount = xp->x_ocount = 0; |
| 104 | xp->x_isctl = (imode < 0); |
| 105 | |
| 106 | return xp; |
| 107 | } |
| 108 | |
| 109 | /* Sad methods */ |
| 110 | |
| 111 | static void |
| 112 | sad_dealloc(xp) |
| 113 | sadobject *xp; |
| 114 | { |
| 115 | close(xp->x_fd); |
| 116 | DEL(xp); |
| 117 | } |
| 118 | |
| 119 | static object * |
| 120 | sad_read(self, args) |
| 121 | sadobject *self; |
| 122 | object *args; |
| 123 | { |
| 124 | int size, count; |
| 125 | char *cp; |
| 126 | object *rv; |
| 127 | |
| 128 | if ( !getargs(args, "i", &size) ) |
| 129 | return 0; |
| 130 | rv = newsizedstringobject(NULL, size); |
| 131 | if ( rv == NULL ) |
| 132 | return 0; |
| 133 | |
| 134 | cp = getstringvalue(rv); |
| 135 | |
| 136 | count = read(self->x_fd, cp, size); |
| 137 | if ( count < 0 ) { |
| 138 | DECREF(rv); |
| 139 | err_errno(SunAudioError); |
| 140 | return NULL; |
| 141 | } |
| 142 | if ( count != size ) |
| 143 | printf("sunaudio: funny read rv %d wtd %d\n", count, size); |
| 144 | self->x_icount += count; |
| 145 | return rv; |
| 146 | } |
| 147 | |
| 148 | static object * |
| 149 | sad_write(self, args) |
| 150 | sadobject *self; |
| 151 | object *args; |
| 152 | { |
| 153 | char *cp; |
| 154 | int count, size; |
| 155 | |
| 156 | if ( !getargs(args, "s#", &cp, &size) ) |
| 157 | return 0; |
| 158 | |
| 159 | count = write(self->x_fd, cp, size); |
| 160 | if ( count < 0 ) { |
| 161 | err_errno(SunAudioError); |
| 162 | return NULL; |
| 163 | } |
| 164 | if ( count != size ) |
| 165 | printf("sunaudio: funny write rv %d wanted %d\n", count, size); |
| 166 | self->x_ocount += count; |
| 167 | |
| 168 | INCREF(None); |
| 169 | return None; |
| 170 | } |
| 171 | |
| 172 | static object * |
| 173 | sad_getinfo(self, args) |
| 174 | sadobject *self; |
| 175 | object *args; |
| 176 | { |
| 177 | sadstatusobject *rv; |
| 178 | |
| 179 | if ( !getargs(args, "") ) |
| 180 | return NULL; |
| 181 | rv = sads_alloc(); |
| 182 | if ( ioctl(self->x_fd, AUDIO_GETINFO, &rv->ai) < 0 ) { |
| 183 | err_errno(SunAudioError); |
| 184 | DECREF(rv); |
| 185 | return NULL; |
| 186 | } |
| 187 | return (object *)rv; |
| 188 | } |
| 189 | |
| 190 | static object * |
| 191 | sad_setinfo(self, arg) |
| 192 | sadobject *self; |
| 193 | sadstatusobject *arg; |
| 194 | { |
| 195 | if ( !is_sadstatusobject(arg) ) { |
| 196 | err_setstr(TypeError, "Must be sun audio status object"); |
| 197 | return NULL; |
| 198 | } |
| 199 | if ( ioctl(self->x_fd, AUDIO_SETINFO, &arg->ai) < 0 ) { |
| 200 | err_errno(SunAudioError); |
| 201 | return NULL; |
| 202 | } |
| 203 | INCREF(None); |
| 204 | return None; |
| 205 | } |
| 206 | |
| 207 | static object * |
| 208 | sad_ibufcount(self, args) |
| 209 | sadobject *self; |
| 210 | object *args; |
| 211 | { |
| 212 | audio_info_t ai; |
| 213 | object *rv; |
| 214 | |
| 215 | if ( !getargs(args, "") ) |
| 216 | return 0; |
| 217 | if ( ioctl(self->x_fd, AUDIO_GETINFO, &ai) < 0 ) { |
| 218 | err_errno(SunAudioError); |
| 219 | return NULL; |
| 220 | } |
| 221 | rv = newintobject(ai.record.samples - self->x_icount); |
| 222 | return rv; |
| 223 | } |
| 224 | |
| 225 | static object * |
| 226 | sad_obufcount(self, args) |
| 227 | sadobject *self; |
| 228 | object *args; |
| 229 | { |
| 230 | audio_info_t ai; |
| 231 | object *rv; |
| 232 | |
| 233 | if ( !getargs(args, "") ) |
| 234 | return 0; |
| 235 | if ( ioctl(self->x_fd, AUDIO_GETINFO, &ai) < 0 ) { |
| 236 | err_errno(SunAudioError); |
| 237 | return NULL; |
| 238 | } |
| 239 | rv = newintobject(self->x_ocount - ai.play.samples); |
| 240 | return rv; |
| 241 | } |
| 242 | |
| 243 | static object * |
| 244 | sad_drain(self, args) |
| 245 | sadobject *self; |
| 246 | object *args; |
| 247 | { |
| 248 | |
| 249 | if ( !getargs(args, "") ) |
| 250 | return 0; |
| 251 | if ( ioctl(self->x_fd, AUDIO_DRAIN, 0) < 0 ) { |
| 252 | err_errno(SunAudioError); |
| 253 | return NULL; |
| 254 | } |
| 255 | INCREF(None); |
| 256 | return None; |
| 257 | } |
| 258 | |
Guido van Rossum | 234f942 | 1993-06-17 12:35:49 +0000 | [diff] [blame] | 259 | static object * |
| 260 | sad_flush(self, args) |
| 261 | sadobject *self; |
| 262 | object *args; |
| 263 | { |
| 264 | |
| 265 | if ( !getargs(args, "") ) |
| 266 | return 0; |
| 267 | if ( ioctl(self->x_fd, I_FLUSH, FLUSHW) < 0 ) { |
| 268 | err_errno(SunAudioError); |
| 269 | return NULL; |
| 270 | } |
| 271 | INCREF(None); |
| 272 | return None; |
| 273 | } |
| 274 | |
| 275 | static object * |
| 276 | sad_close(self, args) |
| 277 | sadobject *self; |
| 278 | object *args; |
| 279 | { |
| 280 | |
| 281 | if ( !getargs(args, "") ) |
| 282 | return 0; |
| 283 | if ( self->x_fd >= 0 ) { |
| 284 | close(self->x_fd); |
| 285 | self->x_fd = -1; |
| 286 | } |
| 287 | INCREF(None); |
| 288 | return None; |
| 289 | } |
| 290 | |
Guido van Rossum | 9c52e0f | 1992-06-03 17:06:14 +0000 | [diff] [blame] | 291 | static struct methodlist sad_methods[] = { |
| 292 | { "read", sad_read }, |
| 293 | { "write", sad_write }, |
| 294 | { "ibufcount", sad_ibufcount }, |
| 295 | { "obufcount", sad_obufcount }, |
| 296 | #define CTL_METHODS 4 |
| 297 | { "getinfo", sad_getinfo }, |
| 298 | { "setinfo", sad_setinfo }, |
| 299 | { "drain", sad_drain }, |
Guido van Rossum | 234f942 | 1993-06-17 12:35:49 +0000 | [diff] [blame] | 300 | { "flush", sad_flush }, |
| 301 | { "close", sad_close }, |
Guido van Rossum | 9c52e0f | 1992-06-03 17:06:14 +0000 | [diff] [blame] | 302 | {NULL, NULL} /* sentinel */ |
| 303 | }; |
| 304 | |
| 305 | static object * |
| 306 | sad_getattr(xp, name) |
| 307 | sadobject *xp; |
| 308 | char *name; |
| 309 | { |
| 310 | if ( xp->x_isctl ) |
| 311 | return findmethod(sad_methods+CTL_METHODS, (object *)xp, name); |
| 312 | else |
| 313 | return findmethod(sad_methods, (object *)xp, name); |
| 314 | } |
| 315 | |
| 316 | /* ----------------------------------------------------------------- */ |
| 317 | |
| 318 | static sadstatusobject * |
| 319 | sads_alloc() { |
| 320 | sadstatusobject *rv; |
| 321 | |
| 322 | rv = NEWOBJ(sadstatusobject, &Sadstatustype); |
| 323 | return rv; |
| 324 | } |
| 325 | |
| 326 | static void |
| 327 | sads_dealloc(xp) |
| 328 | sadstatusobject *xp; |
| 329 | { |
| 330 | DEL(xp); |
| 331 | } |
| 332 | |
| 333 | #define OFF(x) offsetof(audio_info_t,x) |
| 334 | static struct memberlist sads_ml[] = { |
| 335 | { "i_sample_rate", T_UINT, OFF(record.sample_rate) }, |
| 336 | { "i_channels", T_UINT, OFF(record.channels) }, |
| 337 | { "i_precision", T_UINT, OFF(record.precision) }, |
| 338 | { "i_encoding", T_UINT, OFF(record.encoding) }, |
| 339 | { "i_gain", T_UINT, OFF(record.gain) }, |
| 340 | { "i_port", T_UINT, OFF(record.port) }, |
| 341 | { "i_samples", T_UINT, OFF(record.samples) }, |
| 342 | { "i_eof", T_UINT, OFF(record.eof) }, |
| 343 | { "i_pause", T_UBYTE, OFF(record.pause) }, |
| 344 | { "i_error", T_UBYTE, OFF(record.error) }, |
| 345 | { "i_waiting", T_UBYTE, OFF(record.waiting) }, |
| 346 | { "i_open", T_UBYTE, OFF(record.open) , RO}, |
| 347 | { "i_active", T_UBYTE, OFF(record.active) , RO}, |
| 348 | |
| 349 | { "o_sample_rate", T_UINT, OFF(play.sample_rate) }, |
| 350 | { "o_channels", T_UINT, OFF(play.channels) }, |
| 351 | { "o_precision", T_UINT, OFF(play.precision) }, |
| 352 | { "o_encoding", T_UINT, OFF(play.encoding) }, |
| 353 | { "o_gain", T_UINT, OFF(play.gain) }, |
| 354 | { "o_port", T_UINT, OFF(play.port) }, |
| 355 | { "o_samples", T_UINT, OFF(play.samples) }, |
| 356 | { "o_eof", T_UINT, OFF(play.eof) }, |
| 357 | { "o_pause", T_UBYTE, OFF(play.pause) }, |
| 358 | { "o_error", T_UBYTE, OFF(play.error) }, |
| 359 | { "o_waiting", T_UBYTE, OFF(play.waiting) }, |
| 360 | { "o_open", T_UBYTE, OFF(play.open) , RO}, |
| 361 | { "o_active", T_UBYTE, OFF(play.active) , RO}, |
| 362 | |
| 363 | { "monitor_gain", T_UINT, OFF(monitor_gain) }, |
| 364 | { NULL, 0, 0}, |
| 365 | }; |
| 366 | |
| 367 | static object * |
| 368 | sads_getattr(xp, name) |
| 369 | sadstatusobject *xp; |
| 370 | char *name; |
| 371 | { |
| 372 | return getmember((char *)&xp->ai, sads_ml, name); |
| 373 | } |
| 374 | |
| 375 | static int |
| 376 | sads_setattr(xp, name, v) |
| 377 | sadstatusobject *xp; |
| 378 | char *name; |
| 379 | object *v; |
| 380 | { |
Guido van Rossum | 94472a0 | 1992-09-04 09:45:18 +0000 | [diff] [blame] | 381 | |
| 382 | if (v == NULL) { |
| 383 | err_setstr(TypeError, |
| 384 | "can't delete sun audio status attributes"); |
| 385 | return NULL; |
| 386 | } |
Guido van Rossum | 9c52e0f | 1992-06-03 17:06:14 +0000 | [diff] [blame] | 387 | return setmember((char *)&xp->ai, sads_ml, name, v); |
| 388 | } |
| 389 | |
| 390 | /* ------------------------------------------------------------------- */ |
| 391 | |
| 392 | |
| 393 | static typeobject Sadtype = { |
| 394 | OB_HEAD_INIT(&Typetype) |
| 395 | 0, /*ob_size*/ |
| 396 | "sun_audio_device", /*tp_name*/ |
| 397 | sizeof(sadobject), /*tp_size*/ |
| 398 | 0, /*tp_itemsize*/ |
| 399 | /* methods */ |
| 400 | sad_dealloc, /*tp_dealloc*/ |
| 401 | 0, /*tp_print*/ |
| 402 | sad_getattr, /*tp_getattr*/ |
| 403 | 0, /*tp_setattr*/ |
| 404 | 0, /*tp_compare*/ |
| 405 | 0, /*tp_repr*/ |
| 406 | }; |
| 407 | |
| 408 | static typeobject Sadstatustype = { |
| 409 | OB_HEAD_INIT(&Typetype) |
| 410 | 0, /*ob_size*/ |
| 411 | "sun_audio_device_status", /*tp_name*/ |
| 412 | sizeof(sadstatusobject), /*tp_size*/ |
| 413 | 0, /*tp_itemsize*/ |
| 414 | /* methods */ |
| 415 | sads_dealloc, /*tp_dealloc*/ |
| 416 | 0, /*tp_print*/ |
| 417 | sads_getattr, /*tp_getattr*/ |
| 418 | sads_setattr, /*tp_setattr*/ |
| 419 | 0, /*tp_compare*/ |
| 420 | 0, /*tp_repr*/ |
| 421 | }; |
| 422 | /* ------------------------------------------------------------------- */ |
| 423 | |
| 424 | static object * |
| 425 | sadopen(self, args) |
| 426 | object *self; |
| 427 | object *args; |
| 428 | { |
| 429 | object *rv; |
| 430 | |
| 431 | rv = (object *)newsadobject(args); |
| 432 | return rv; |
| 433 | } |
| 434 | |
| 435 | static struct methodlist sunaudiodev_methods[] = { |
| 436 | { "open", sadopen }, |
| 437 | { 0, 0 }, |
| 438 | }; |
| 439 | |
| 440 | void |
| 441 | initsunaudiodev() { |
| 442 | object *m, *d; |
| 443 | |
| 444 | m = initmodule("sunaudiodev", sunaudiodev_methods); |
| 445 | d = getmoduledict(m); |
| 446 | SunAudioError = newstringobject("sunaudiodev.error"); |
| 447 | if ( SunAudioError == NULL || dictinsert(d, "error", SunAudioError) ) |
| 448 | fatal("can't define sunaudiodev.error"); |
| 449 | } |