1 /*
2 * ossaudiodev -- Python interface to the OSS (Open Sound System) API.
3 * This is the standard audio API for Linux and some
4 * flavours of BSD [XXX which ones?]; it is also available
5 * for a wide range of commercial Unices.
6 *
7 * Originally written by Peter Bosch, March 2000, as linuxaudiodev.
8 *
9 * Renamed to ossaudiodev and rearranged/revised/hacked up
10 * by Greg Ward <gward@python.net>, November 2002.
11 * Mixer interface by Nicholas FitzRoy-Dale <wzdd@lardcave.net>, Dec 2002.
12 *
13 * (c) 2000 Peter Bosch. All Rights Reserved.
14 * (c) 2002 Gregory P. Ward. All Rights Reserved.
15 * (c) 2002 Python Software Foundation. All Rights Reserved.
16 *
17 * $Id$
18 */
19
20 #ifndef Py_BUILD_CORE_BUILTIN
21 # define Py_BUILD_CORE_MODULE 1
22 #endif
23 #define NEEDS_PY_IDENTIFIER
24
25 #define PY_SSIZE_T_CLEAN
26 #include "Python.h"
27 #include "pycore_fileutils.h" // _Py_write()
28 #include "structmember.h" // PyMemberDef
29
30 #include <stdlib.h> // getenv()
31 #ifdef HAVE_FCNTL_H
32 #include <fcntl.h>
33 #else
34 #define O_RDONLY 00
35 #define O_WRONLY 01
36 #endif
37
38 #include <sys/ioctl.h>
39 #ifdef __ANDROID__
40 #include <linux/soundcard.h>
41 #else
42 #include <sys/soundcard.h>
43 #endif
44
45 #ifdef __linux__
46
47 #ifndef HAVE_STDINT_H
48 typedef unsigned long uint32_t;
49 #endif
50
51 #elif defined(__FreeBSD__)
52
53 # ifndef SNDCTL_DSP_CHANNELS
54 # define SNDCTL_DSP_CHANNELS SOUND_PCM_WRITE_CHANNELS
55 # endif
56
57 #endif
58
59 typedef struct {
60 PyObject_HEAD
61 const char *devicename; /* name of the device file */
62 int fd; /* file descriptor */
63 int mode; /* file mode (O_RDONLY, etc.) */
64 Py_ssize_t icount; /* input count */
65 Py_ssize_t ocount; /* output count */
66 uint32_t afmts; /* audio formats supported by hardware */
67 } oss_audio_t;
68
69 typedef struct {
70 PyObject_HEAD
71 int fd; /* The open mixer device */
72 } oss_mixer_t;
73
74
75 static PyTypeObject OSSAudioType;
76 static PyTypeObject OSSMixerType;
77
78 static PyObject *OSSAudioError;
79
80
81 /* ----------------------------------------------------------------------
82 * DSP object initialization/deallocation
83 */
84
85 static oss_audio_t *
86 newossobject(PyObject *arg)
87 {
88 oss_audio_t *self;
89 int fd, afmts, imode;
90 const char *devicename = NULL;
91 const char *mode = NULL;
92
93 /* Two ways to call open():
94 open(device, mode) (for consistency with builtin open())
95 open(mode) (for backwards compatibility)
96 because the *first* argument is optional, parsing args is
97 a wee bit tricky. */
98 if (!PyArg_ParseTuple(arg, "s|s:open", &devicename, &mode))
99 return NULL;
100 if (mode == NULL) { /* only one arg supplied */
101 mode = devicename;
102 devicename = NULL;
103 }
104
105 if (strcmp(mode, "r") == 0)
106 imode = O_RDONLY;
107 else if (strcmp(mode, "w") == 0)
108 imode = O_WRONLY;
109 else if (strcmp(mode, "rw") == 0)
110 imode = O_RDWR;
111 else {
112 PyErr_SetString(OSSAudioError, "mode must be 'r', 'w', or 'rw'");
113 return NULL;
114 }
115
116 /* Open the correct device: either the 'device' argument,
117 or the AUDIODEV environment variable, or "/dev/dsp". */
118 if (devicename == NULL) { /* called with one arg */
119 devicename = getenv("AUDIODEV");
120 if (devicename == NULL) /* $AUDIODEV not set */
121 devicename = "/dev/dsp";
122 }
123
124 /* Open with O_NONBLOCK to avoid hanging on devices that only allow
125 one open at a time. This does *not* affect later I/O; OSS
126 provides a special ioctl() for non-blocking read/write, which is
127 exposed via oss_nonblock() below. */
128 fd = _Py_open(devicename, imode|O_NONBLOCK);
129 if (fd == -1)
130 return NULL;
131
132 /* And (try to) put it back in blocking mode so we get the
133 expected write() semantics. */
134 if (fcntl(fd, F_SETFL, 0) == -1) {
135 close(fd);
136 PyErr_SetFromErrnoWithFilename(PyExc_OSError, devicename);
137 return NULL;
138 }
139
140 if (ioctl(fd, SNDCTL_DSP_GETFMTS, &afmts) == -1) {
141 close(fd);
142 PyErr_SetFromErrnoWithFilename(PyExc_OSError, devicename);
143 return NULL;
144 }
145 /* Create and initialize the object */
146 if ((self = PyObject_New(oss_audio_t, &OSSAudioType)) == NULL) {
147 close(fd);
148 return NULL;
149 }
150 self->devicename = devicename;
151 self->fd = fd;
152 self->mode = imode;
153 self->icount = self->ocount = 0;
154 self->afmts = afmts;
155 return self;
156 }
157
158 static void
159 oss_dealloc(oss_audio_t *self)
160 {
161 /* if already closed, don't reclose it */
162 if (self->fd != -1)
163 close(self->fd);
164 PyObject_Free(self);
165 }
166
167
168 /* ----------------------------------------------------------------------
169 * Mixer object initialization/deallocation
170 */
171
172 static oss_mixer_t *
173 newossmixerobject(PyObject *arg)
174 {
175 const char *devicename = NULL;
176 int fd;
177 oss_mixer_t *self;
178
179 if (!PyArg_ParseTuple(arg, "|s", &devicename)) {
180 return NULL;
181 }
182
183 if (devicename == NULL) {
184 devicename = getenv("MIXERDEV");
185 if (devicename == NULL) /* MIXERDEV not set */
186 devicename = "/dev/mixer";
187 }
188
189 fd = _Py_open(devicename, O_RDWR);
190 if (fd == -1)
191 return NULL;
192
193 if ((self = PyObject_New(oss_mixer_t, &OSSMixerType)) == NULL) {
194 close(fd);
195 return NULL;
196 }
197
198 self->fd = fd;
199
200 return self;
201 }
202
203 static void
204 oss_mixer_dealloc(oss_mixer_t *self)
205 {
206 /* if already closed, don't reclose it */
207 if (self->fd != -1)
208 close(self->fd);
209 PyObject_Free(self);
210 }
211
212
213 /* Methods to wrap the OSS ioctls. The calling convention is pretty
214 simple:
215 nonblock() -> ioctl(fd, SNDCTL_DSP_NONBLOCK)
216 fmt = setfmt(fmt) -> ioctl(fd, SNDCTL_DSP_SETFMT, &fmt)
217 etc.
218 */
219
220
221 /* ----------------------------------------------------------------------
222 * Helper functions
223 */
224
225 /* Check if a given file descriptor is valid (i.e. hasn't been closed).
226 * If true, return 1. Otherwise, raise ValueError and return 0.
227 */
228 static int _is_fd_valid(int fd)
229 {
230 /* the FD is set to -1 in oss_close()/oss_mixer_close() */
231 if (fd >= 0) {
232 return 1;
233 } else {
234 PyErr_SetString(PyExc_ValueError,
235 "Operation on closed OSS device.");
236 return 0;
237 }
238 }
239
240 /* _do_ioctl_1() is a private helper function used for the OSS ioctls --
241 SNDCTL_DSP_{SETFMT,CHANNELS,SPEED} -- that are called from C
242 like this:
243 ioctl(fd, SNDCTL_DSP_cmd, &arg)
244
245 where arg is the value to set, and on return the driver sets arg to
246 the value that was actually set. Mapping this to Python is obvious:
247 arg = dsp.xxx(arg)
248 */
249 static PyObject *
250 _do_ioctl_1(int fd, PyObject *args, char *fname, unsigned long cmd)
251 {
252 char argfmt[33] = "i:";
253 int arg;
254
255 assert(strlen(fname) <= 30);
256 strncat(argfmt, fname, 30);
257 if (!PyArg_ParseTuple(args, argfmt, &arg))
258 return NULL;
259
260 if (ioctl(fd, cmd, &arg) == -1)
261 return PyErr_SetFromErrno(PyExc_OSError);
262 return PyLong_FromLong(arg);
263 }
264
265
266 /* _do_ioctl_1_internal() is a wrapper for ioctls that take no inputs
267 but return an output -- ie. we need to pass a pointer to a local C
268 variable so the driver can write its output there, but from Python
269 all we see is the return value. For example,
270 SOUND_MIXER_READ_DEVMASK returns a bitmask of available mixer
271 devices, but does not use the value of the parameter passed-in in any
272 way.
273 */
274 static PyObject *
275 _do_ioctl_1_internal(int fd, PyObject *args, char *fname, unsigned long cmd)
276 {
277 char argfmt[32] = ":";
278 int arg = 0;
279
280 assert(strlen(fname) <= 30);
281 strncat(argfmt, fname, 30);
282 if (!PyArg_ParseTuple(args, argfmt, &arg))
283 return NULL;
284
285 if (ioctl(fd, cmd, &arg) == -1)
286 return PyErr_SetFromErrno(PyExc_OSError);
287 return PyLong_FromLong(arg);
288 }
289
290
291
292 /* _do_ioctl_0() is a private helper for the no-argument ioctls:
293 SNDCTL_DSP_{SYNC,RESET,POST}. */
294 static PyObject *
295 _do_ioctl_0(int fd, PyObject *args, char *fname, unsigned long cmd)
296 {
297 char argfmt[32] = ":";
298 int rv;
299
300 assert(strlen(fname) <= 30);
301 strncat(argfmt, fname, 30);
302 if (!PyArg_ParseTuple(args, argfmt))
303 return NULL;
304
305 /* According to hannu@opensound.com, all three of the ioctls that
306 use this function can block, so release the GIL. This is
307 especially important for SYNC, which can block for several
308 seconds. */
309 Py_BEGIN_ALLOW_THREADS
310 rv = ioctl(fd, cmd, 0);
311 Py_END_ALLOW_THREADS
312
313 if (rv == -1)
314 return PyErr_SetFromErrno(PyExc_OSError);
315 Py_RETURN_NONE;
316 }
317
318
319 /* ----------------------------------------------------------------------
320 * Methods of DSP objects (OSSAudioType)
321 */
322
323 static PyObject *
324 oss_nonblock(oss_audio_t *self, PyObject *unused)
325 {
326 if (!_is_fd_valid(self->fd))
327 return NULL;
328
329 /* Hmmm: it doesn't appear to be possible to return to blocking
330 mode once we're in non-blocking mode! */
331 if (ioctl(self->fd, SNDCTL_DSP_NONBLOCK, NULL) == -1)
332 return PyErr_SetFromErrno(PyExc_OSError);
333 Py_RETURN_NONE;
334 }
335
336 static PyObject *
337 oss_setfmt(oss_audio_t *self, PyObject *args)
338 {
339 if (!_is_fd_valid(self->fd))
340 return NULL;
341
342 return _do_ioctl_1(self->fd, args, "setfmt", SNDCTL_DSP_SETFMT);
343 }
344
345 static PyObject *
346 oss_getfmts(oss_audio_t *self, PyObject *unused)
347 {
348 int mask;
349
350 if (!_is_fd_valid(self->fd))
351 return NULL;
352
353 if (ioctl(self->fd, SNDCTL_DSP_GETFMTS, &mask) == -1)
354 return PyErr_SetFromErrno(PyExc_OSError);
355 return PyLong_FromLong(mask);
356 }
357
358 static PyObject *
359 oss_channels(oss_audio_t *self, PyObject *args)
360 {
361 if (!_is_fd_valid(self->fd))
362 return NULL;
363
364 return _do_ioctl_1(self->fd, args, "channels", SNDCTL_DSP_CHANNELS);
365 }
366
367 static PyObject *
368 oss_speed(oss_audio_t *self, PyObject *args)
369 {
370 if (!_is_fd_valid(self->fd))
371 return NULL;
372
373 return _do_ioctl_1(self->fd, args, "speed", SNDCTL_DSP_SPEED);
374 }
375
376 static PyObject *
377 oss_sync(oss_audio_t *self, PyObject *args)
378 {
379 if (!_is_fd_valid(self->fd))
380 return NULL;
381
382 return _do_ioctl_0(self->fd, args, "sync", SNDCTL_DSP_SYNC);
383 }
384
385 static PyObject *
386 oss_reset(oss_audio_t *self, PyObject *args)
387 {
388 if (!_is_fd_valid(self->fd))
389 return NULL;
390
391 return _do_ioctl_0(self->fd, args, "reset", SNDCTL_DSP_RESET);
392 }
393
394 static PyObject *
395 oss_post(oss_audio_t *self, PyObject *args)
396 {
397 if (!_is_fd_valid(self->fd))
398 return NULL;
399
400 return _do_ioctl_0(self->fd, args, "post", SNDCTL_DSP_POST);
401 }
402
403
404 /* Regular file methods: read(), write(), close(), etc. as well
405 as one convenience method, writeall(). */
406
407 static PyObject *
408 oss_read(oss_audio_t *self, PyObject *args)
409 {
410 Py_ssize_t size, count;
411 PyObject *rv;
412
413 if (!_is_fd_valid(self->fd))
414 return NULL;
415
416 if (!PyArg_ParseTuple(args, "n:read", &size))
417 return NULL;
418
419 rv = PyBytes_FromStringAndSize(NULL, size);
420 if (rv == NULL)
421 return NULL;
422
423 count = _Py_read(self->fd, PyBytes_AS_STRING(rv), size);
424 if (count == -1) {
425 Py_DECREF(rv);
426 return NULL;
427 }
428
429 self->icount += count;
430 _PyBytes_Resize(&rv, count);
431 return rv;
432 }
433
434 static PyObject *
435 oss_write(oss_audio_t *self, PyObject *args)
436 {
437 Py_buffer data;
438 Py_ssize_t rv;
439
440 if (!_is_fd_valid(self->fd))
441 return NULL;
442
443 if (!PyArg_ParseTuple(args, "y*:write", &data)) {
444 return NULL;
445 }
446
447 rv = _Py_write(self->fd, data.buf, data.len);
448 PyBuffer_Release(&data);
449 if (rv == -1)
450 return NULL;
451
452 self->ocount += rv;
453 return PyLong_FromLong(rv);
454 }
455
456 static PyObject *
457 oss_writeall(oss_audio_t *self, PyObject *args)
458 {
459 Py_buffer data;
460 const char *cp;
461 Py_ssize_t size;
462 Py_ssize_t rv;
463 fd_set write_set_fds;
464 int select_rv;
465
466 /* NB. writeall() is only useful in non-blocking mode: according to
467 Guenter Geiger <geiger@xdv.org> on the linux-audio-dev list
468 (http://eca.cx/lad/2002/11/0380.html), OSS guarantees that
469 write() in blocking mode consumes the whole buffer. In blocking
470 mode, the behaviour of write() and writeall() from Python is
471 indistinguishable. */
472
473 if (!_is_fd_valid(self->fd))
474 return NULL;
475
476 if (!PyArg_ParseTuple(args, "y*:writeall", &data))
477 return NULL;
478
479 if (!_PyIsSelectable_fd(self->fd)) {
480 PyErr_SetString(PyExc_ValueError,
481 "file descriptor out of range for select");
482 PyBuffer_Release(&data);
483 return NULL;
484 }
485 /* use select to wait for audio device to be available */
486 FD_ZERO(&write_set_fds);
487 FD_SET(self->fd, &write_set_fds);
488 cp = (const char *)data.buf;
489 size = data.len;
490
491 while (size > 0) {
492 Py_BEGIN_ALLOW_THREADS
493 select_rv = select(self->fd+1, NULL, &write_set_fds, NULL, NULL);
494 Py_END_ALLOW_THREADS
495
496 assert(select_rv != 0); /* no timeout, can't expire */
497 if (select_rv == -1) {
498 PyBuffer_Release(&data);
499 return PyErr_SetFromErrno(PyExc_OSError);
500 }
501
502 rv = _Py_write(self->fd, cp, Py_MIN(size, INT_MAX));
503 if (rv == -1) {
504 /* buffer is full, try again */
505 if (errno == EAGAIN) {
506 PyErr_Clear();
507 continue;
508 }
509 /* it's a real error */
510 PyBuffer_Release(&data);
511 return NULL;
512 }
513
514 /* wrote rv bytes */
515 self->ocount += rv;
516 size -= rv;
517 cp += rv;
518 }
519 PyBuffer_Release(&data);
520 Py_RETURN_NONE;
521 }
522
523 static PyObject *
524 oss_close(oss_audio_t *self, PyObject *unused)
525 {
526 if (self->fd >= 0) {
527 Py_BEGIN_ALLOW_THREADS
528 close(self->fd);
529 Py_END_ALLOW_THREADS
530 self->fd = -1;
531 }
532 Py_RETURN_NONE;
533 }
534
535 static PyObject *
536 oss_self(PyObject *self, PyObject *unused)
537 {
538 Py_INCREF(self);
539 return self;
540 }
541
542 static PyObject *
543 oss_exit(PyObject *self, PyObject *unused)
544 {
545 _Py_IDENTIFIER(close);
546
547 PyObject *ret = _PyObject_CallMethodIdNoArgs(self, &PyId_close);
548 if (!ret)
549 return NULL;
550 Py_DECREF(ret);
551 Py_RETURN_NONE;
552 }
553
554 static PyObject *
555 oss_fileno(oss_audio_t *self, PyObject *unused)
556 {
557 if (!_is_fd_valid(self->fd))
558 return NULL;
559
560 return PyLong_FromLong(self->fd);
561 }
562
563
564 /* Convenience methods: these generally wrap a couple of ioctls into one
565 common task. */
566
567 static PyObject *
568 oss_setparameters(oss_audio_t *self, PyObject *args)
569 {
570 int wanted_fmt, wanted_channels, wanted_rate, strict=0;
571 int fmt, channels, rate;
572
573 if (!_is_fd_valid(self->fd))
574 return NULL;
575
576 if (!PyArg_ParseTuple(args, "iii|i:setparameters",
577 &wanted_fmt, &wanted_channels, &wanted_rate,
578 &strict))
579 return NULL;
580
581 fmt = wanted_fmt;
582 if (ioctl(self->fd, SNDCTL_DSP_SETFMT, &fmt) == -1) {
583 return PyErr_SetFromErrno(PyExc_OSError);
584 }
585 if (strict && fmt != wanted_fmt) {
586 return PyErr_Format
587 (OSSAudioError,
588 "unable to set requested format (wanted %d, got %d)",
589 wanted_fmt, fmt);
590 }
591
592 channels = wanted_channels;
593 if (ioctl(self->fd, SNDCTL_DSP_CHANNELS, &channels) == -1) {
594 return PyErr_SetFromErrno(PyExc_OSError);
595 }
596 if (strict && channels != wanted_channels) {
597 return PyErr_Format
598 (OSSAudioError,
599 "unable to set requested channels (wanted %d, got %d)",
600 wanted_channels, channels);
601 }
602
603 rate = wanted_rate;
604 if (ioctl(self->fd, SNDCTL_DSP_SPEED, &rate) == -1) {
605 return PyErr_SetFromErrno(PyExc_OSError);
606 }
607 if (strict && rate != wanted_rate) {
608 return PyErr_Format
609 (OSSAudioError,
610 "unable to set requested rate (wanted %d, got %d)",
611 wanted_rate, rate);
612 }
613
614 /* Construct the return value: a (fmt, channels, rate) tuple that
615 tells what the audio hardware was actually set to. */
616 return Py_BuildValue("(iii)", fmt, channels, rate);
617 }
618
619 static int
620 _ssize(oss_audio_t *self, int *nchannels, int *ssize)
621 {
622 int fmt;
623
624 fmt = 0;
625 if (ioctl(self->fd, SNDCTL_DSP_SETFMT, &fmt) < 0)
626 return -errno;
627
628 switch (fmt) {
629 case AFMT_MU_LAW:
630 case AFMT_A_LAW:
631 case AFMT_U8:
632 case AFMT_S8:
633 *ssize = 1; /* 8 bit formats: 1 byte */
634 break;
635 case AFMT_S16_LE:
636 case AFMT_S16_BE:
637 case AFMT_U16_LE:
638 case AFMT_U16_BE:
639 *ssize = 2; /* 16 bit formats: 2 byte */
640 break;
641 case AFMT_MPEG:
642 case AFMT_IMA_ADPCM:
643 default:
644 return -EOPNOTSUPP;
645 }
646 if (ioctl(self->fd, SNDCTL_DSP_CHANNELS, nchannels) < 0)
647 return -errno;
648 return 0;
649 }
650
651
652 /* bufsize returns the size of the hardware audio buffer in number
653 of samples */
654 static PyObject *
655 oss_bufsize(oss_audio_t *self, PyObject *unused)
656 {
657 audio_buf_info ai;
658 int nchannels=0, ssize=0;
659
660 if (!_is_fd_valid(self->fd))
661 return NULL;
662
663 if (_ssize(self, &nchannels, &ssize) < 0 || !nchannels || !ssize) {
664 PyErr_SetFromErrno(PyExc_OSError);
665 return NULL;
666 }
667 if (ioctl(self->fd, SNDCTL_DSP_GETOSPACE, &ai) < 0) {
668 PyErr_SetFromErrno(PyExc_OSError);
669 return NULL;
670 }
671 return PyLong_FromLong((ai.fragstotal * ai.fragsize) / (nchannels * ssize));
672 }
673
674 /* obufcount returns the number of samples that are available in the
675 hardware for playing */
676 static PyObject *
677 oss_obufcount(oss_audio_t *self, PyObject *unused)
678 {
679 audio_buf_info ai;
680 int nchannels=0, ssize=0;
681
682 if (!_is_fd_valid(self->fd))
683 return NULL;
684
685 if (_ssize(self, &nchannels, &ssize) < 0 || !nchannels || !ssize) {
686 PyErr_SetFromErrno(PyExc_OSError);
687 return NULL;
688 }
689 if (ioctl(self->fd, SNDCTL_DSP_GETOSPACE, &ai) < 0) {
690 PyErr_SetFromErrno(PyExc_OSError);
691 return NULL;
692 }
693 return PyLong_FromLong((ai.fragstotal * ai.fragsize - ai.bytes) /
694 (ssize * nchannels));
695 }
696
697 /* obufcount returns the number of samples that can be played without
698 blocking */
699 static PyObject *
700 oss_obuffree(oss_audio_t *self, PyObject *unused)
701 {
702 audio_buf_info ai;
703 int nchannels=0, ssize=0;
704
705 if (!_is_fd_valid(self->fd))
706 return NULL;
707
708 if (_ssize(self, &nchannels, &ssize) < 0 || !nchannels || !ssize) {
709 PyErr_SetFromErrno(PyExc_OSError);
710 return NULL;
711 }
712 if (ioctl(self->fd, SNDCTL_DSP_GETOSPACE, &ai) < 0) {
713 PyErr_SetFromErrno(PyExc_OSError);
714 return NULL;
715 }
716 return PyLong_FromLong(ai.bytes / (ssize * nchannels));
717 }
718
719 static PyObject *
720 oss_getptr(oss_audio_t *self, PyObject *unused)
721 {
722 count_info info;
723 int req;
724
725 if (!_is_fd_valid(self->fd))
726 return NULL;
727
728 if (self->mode == O_RDONLY)
729 req = SNDCTL_DSP_GETIPTR;
730 else
731 req = SNDCTL_DSP_GETOPTR;
732 if (ioctl(self->fd, req, &info) == -1) {
733 PyErr_SetFromErrno(PyExc_OSError);
734 return NULL;
735 }
736 return Py_BuildValue("iii", info.bytes, info.blocks, info.ptr);
737 }
738
739
740 /* ----------------------------------------------------------------------
741 * Methods of mixer objects (OSSMixerType)
742 */
743
744 static PyObject *
745 oss_mixer_close(oss_mixer_t *self, PyObject *unused)
746 {
747 if (self->fd >= 0) {
748 close(self->fd);
749 self->fd = -1;
750 }
751 Py_RETURN_NONE;
752 }
753
754 static PyObject *
755 oss_mixer_fileno(oss_mixer_t *self, PyObject *unused)
756 {
757 if (!_is_fd_valid(self->fd))
758 return NULL;
759
760 return PyLong_FromLong(self->fd);
761 }
762
763 /* Simple mixer interface methods */
764
765 static PyObject *
766 oss_mixer_controls(oss_mixer_t *self, PyObject *args)
767 {
768 if (!_is_fd_valid(self->fd))
769 return NULL;
770
771 return _do_ioctl_1_internal(self->fd, args, "controls",
772 SOUND_MIXER_READ_DEVMASK);
773 }
774
775 static PyObject *
776 oss_mixer_stereocontrols(oss_mixer_t *self, PyObject *args)
777 {
778 if (!_is_fd_valid(self->fd))
779 return NULL;
780
781 return _do_ioctl_1_internal(self->fd, args, "stereocontrols",
782 SOUND_MIXER_READ_STEREODEVS);
783 }
784
785 static PyObject *
786 oss_mixer_reccontrols(oss_mixer_t *self, PyObject *args)
787 {
788 if (!_is_fd_valid(self->fd))
789 return NULL;
790
791 return _do_ioctl_1_internal(self->fd, args, "reccontrols",
792 SOUND_MIXER_READ_RECMASK);
793 }
794
795 static PyObject *
796 oss_mixer_get(oss_mixer_t *self, PyObject *args)
797 {
798 int channel, volume;
799
800 if (!_is_fd_valid(self->fd))
801 return NULL;
802
803 /* Can't use _do_ioctl_1 because of encoded arg thingy. */
804 if (!PyArg_ParseTuple(args, "i:get", &channel))
805 return NULL;
806
807 if (channel < 0 || channel > SOUND_MIXER_NRDEVICES) {
808 PyErr_SetString(OSSAudioError, "Invalid mixer channel specified.");
809 return NULL;
810 }
811
812 if (ioctl(self->fd, MIXER_READ(channel), &volume) == -1)
813 return PyErr_SetFromErrno(PyExc_OSError);
814
815 return Py_BuildValue("(ii)", volume & 0xff, (volume & 0xff00) >> 8);
816 }
817
818 static PyObject *
819 oss_mixer_set(oss_mixer_t *self, PyObject *args)
820 {
821 int channel, volume, leftVol, rightVol;
822
823 if (!_is_fd_valid(self->fd))
824 return NULL;
825
826 /* Can't use _do_ioctl_1 because of encoded arg thingy. */
827 if (!PyArg_ParseTuple(args, "i(ii):set", &channel, &leftVol, &rightVol))
828 return NULL;
829
830 if (channel < 0 || channel > SOUND_MIXER_NRDEVICES) {
831 PyErr_SetString(OSSAudioError, "Invalid mixer channel specified.");
832 return NULL;
833 }
834
835 if (leftVol < 0 || rightVol < 0 || leftVol > 100 || rightVol > 100) {
836 PyErr_SetString(OSSAudioError, "Volumes must be between 0 and 100.");
837 return NULL;
838 }
839
840 volume = (rightVol << 8) | leftVol;
841
842 if (ioctl(self->fd, MIXER_WRITE(channel), &volume) == -1)
843 return PyErr_SetFromErrno(PyExc_OSError);
844
845 return Py_BuildValue("(ii)", volume & 0xff, (volume & 0xff00) >> 8);
846 }
847
848 static PyObject *
849 oss_mixer_get_recsrc(oss_mixer_t *self, PyObject *args)
850 {
851 if (!_is_fd_valid(self->fd))
852 return NULL;
853
854 return _do_ioctl_1_internal(self->fd, args, "get_recsrc",
855 SOUND_MIXER_READ_RECSRC);
856 }
857
858 static PyObject *
859 oss_mixer_set_recsrc(oss_mixer_t *self, PyObject *args)
860 {
861 if (!_is_fd_valid(self->fd))
862 return NULL;
863
864 return _do_ioctl_1(self->fd, args, "set_recsrc",
865 SOUND_MIXER_WRITE_RECSRC);
866 }
867
868
869 /* ----------------------------------------------------------------------
870 * Method tables and other bureaucracy
871 */
872
873 static PyMethodDef oss_methods[] = {
874 /* Regular file methods */
875 { "read", (PyCFunction)oss_read, METH_VARARGS },
876 { "write", (PyCFunction)oss_write, METH_VARARGS },
877 { "writeall", (PyCFunction)oss_writeall, METH_VARARGS },
878 { "close", (PyCFunction)oss_close, METH_NOARGS },
879 { "fileno", (PyCFunction)oss_fileno, METH_NOARGS },
880
881 /* Simple ioctl wrappers */
882 { "nonblock", (PyCFunction)oss_nonblock, METH_NOARGS },
883 { "setfmt", (PyCFunction)oss_setfmt, METH_VARARGS },
884 { "getfmts", (PyCFunction)oss_getfmts, METH_NOARGS },
885 { "channels", (PyCFunction)oss_channels, METH_VARARGS },
886 { "speed", (PyCFunction)oss_speed, METH_VARARGS },
887 { "sync", (PyCFunction)oss_sync, METH_VARARGS },
888 { "reset", (PyCFunction)oss_reset, METH_VARARGS },
889 { "post", (PyCFunction)oss_post, METH_VARARGS },
890
891 /* Convenience methods -- wrap a couple of ioctls together */
892 { "setparameters", (PyCFunction)oss_setparameters, METH_VARARGS },
893 { "bufsize", (PyCFunction)oss_bufsize, METH_NOARGS },
894 { "obufcount", (PyCFunction)oss_obufcount, METH_NOARGS },
895 { "obuffree", (PyCFunction)oss_obuffree, METH_NOARGS },
896 { "getptr", (PyCFunction)oss_getptr, METH_NOARGS },
897
898 /* Aliases for backwards compatibility */
899 { "flush", (PyCFunction)oss_sync, METH_VARARGS },
900
901 /* Support for the context management protocol */
902 { "__enter__", oss_self, METH_NOARGS },
903 { "__exit__", oss_exit, METH_VARARGS },
904
905 { NULL, NULL} /* sentinel */
906 };
907
908 static PyMethodDef oss_mixer_methods[] = {
909 /* Regular file method - OSS mixers are ioctl-only interface */
910 { "close", (PyCFunction)oss_mixer_close, METH_NOARGS },
911 { "fileno", (PyCFunction)oss_mixer_fileno, METH_NOARGS },
912
913 /* Support for the context management protocol */
914 { "__enter__", oss_self, METH_NOARGS },
915 { "__exit__", oss_exit, METH_VARARGS },
916
917 /* Simple ioctl wrappers */
918 { "controls", (PyCFunction)oss_mixer_controls, METH_VARARGS },
919 { "stereocontrols", (PyCFunction)oss_mixer_stereocontrols, METH_VARARGS},
920 { "reccontrols", (PyCFunction)oss_mixer_reccontrols, METH_VARARGS},
921 { "get", (PyCFunction)oss_mixer_get, METH_VARARGS },
922 { "set", (PyCFunction)oss_mixer_set, METH_VARARGS },
923 { "get_recsrc", (PyCFunction)oss_mixer_get_recsrc, METH_VARARGS },
924 { "set_recsrc", (PyCFunction)oss_mixer_set_recsrc, METH_VARARGS },
925
926 { NULL, NULL}
927 };
928
929 static PyMemberDef oss_members[] = {
930 {"name", T_STRING, offsetof(oss_audio_t, devicename), READONLY, NULL},
931 {NULL}
932 };
933
934 static PyObject *
935 oss_closed_getter(oss_audio_t *self, void *closure)
936 {
937 return PyBool_FromLong(self->fd == -1);
938 }
939
940 static PyObject *
941 oss_mode_getter(oss_audio_t *self, void *closure)
942 {
943 switch(self->mode) {
944 case O_RDONLY:
945 return PyUnicode_FromString("r");
946 break;
947 case O_RDWR:
948 return PyUnicode_FromString("rw");
949 break;
950 case O_WRONLY:
951 return PyUnicode_FromString("w");
952 break;
953 default:
954 /* From newossobject(), self->mode can only be one
955 of these three values. */
956 Py_UNREACHABLE();
957 }
958 }
959
960 static PyGetSetDef oss_getsetlist[] = {
961 {"closed", (getter)oss_closed_getter, (setter)NULL, NULL},
962 {"mode", (getter)oss_mode_getter, (setter)NULL, NULL},
963 {NULL},
964 };
965
966 static PyTypeObject OSSAudioType = {
967 PyVarObject_HEAD_INIT(&PyType_Type, 0)
968 "ossaudiodev.oss_audio_device", /*tp_name*/
969 sizeof(oss_audio_t), /*tp_basicsize*/
970 0, /*tp_itemsize*/
971 /* methods */
972 (destructor)oss_dealloc, /*tp_dealloc*/
973 0, /*tp_vectorcall_offset*/
974 0, /*tp_getattr*/
975 0, /*tp_setattr*/
976 0, /*tp_as_async*/
977 0, /*tp_repr*/
978 0, /*tp_as_number*/
979 0, /*tp_as_sequence*/
980 0, /*tp_as_mapping*/
981 0, /*tp_hash*/
982 0, /*tp_call*/
983 0, /*tp_str*/
984 0, /*tp_getattro*/
985 0, /*tp_setattro*/
986 0, /*tp_as_buffer*/
987 Py_TPFLAGS_DEFAULT, /*tp_flags*/
988 0, /*tp_doc*/
989 0, /*tp_traverse*/
990 0, /*tp_clear*/
991 0, /*tp_richcompare*/
992 0, /*tp_weaklistoffset*/
993 0, /*tp_iter*/
994 0, /*tp_iternext*/
995 oss_methods, /*tp_methods*/
996 oss_members, /*tp_members*/
997 oss_getsetlist, /*tp_getset*/
998 };
999
1000 static PyTypeObject OSSMixerType = {
1001 PyVarObject_HEAD_INIT(&PyType_Type, 0)
1002 "ossaudiodev.oss_mixer_device", /*tp_name*/
1003 sizeof(oss_mixer_t), /*tp_basicsize*/
1004 0, /*tp_itemsize*/
1005 /* methods */
1006 (destructor)oss_mixer_dealloc, /*tp_dealloc*/
1007 0, /*tp_vectorcall_offset*/
1008 0, /*tp_getattr*/
1009 0, /*tp_setattr*/
1010 0, /*tp_as_async*/
1011 0, /*tp_repr*/
1012 0, /*tp_as_number*/
1013 0, /*tp_as_sequence*/
1014 0, /*tp_as_mapping*/
1015 0, /*tp_hash*/
1016 0, /*tp_call*/
1017 0, /*tp_str*/
1018 0, /*tp_getattro*/
1019 0, /*tp_setattro*/
1020 0, /*tp_as_buffer*/
1021 Py_TPFLAGS_DEFAULT, /*tp_flags*/
1022 0, /*tp_doc*/
1023 0, /*tp_traverse*/
1024 0, /*tp_clear*/
1025 0, /*tp_richcompare*/
1026 0, /*tp_weaklistoffset*/
1027 0, /*tp_iter*/
1028 0, /*tp_iternext*/
1029 oss_mixer_methods, /*tp_methods*/
1030 };
1031
1032
1033 static PyObject *
1034 ossopen(PyObject *self, PyObject *args)
1035 {
1036 return (PyObject *)newossobject(args);
1037 }
1038
1039 static PyObject *
1040 ossopenmixer(PyObject *self, PyObject *args)
1041 {
1042 return (PyObject *)newossmixerobject(args);
1043 }
1044
1045 static PyMethodDef ossaudiodev_methods[] = {
1046 { "open", ossopen, METH_VARARGS },
1047 { "openmixer", ossopenmixer, METH_VARARGS },
1048 { 0, 0 },
1049 };
1050
1051
1052 #define _EXPORT_INT(mod, name) \
1053 if (PyModule_AddIntConstant(mod, #name, (long) (name)) == -1) return NULL;
1054
1055
1056 static char *control_labels[] = SOUND_DEVICE_LABELS;
1057 static char *control_names[] = SOUND_DEVICE_NAMES;
1058
1059
1060 static int
1061 build_namelists (PyObject *module)
1062 {
1063 PyObject *labels;
1064 PyObject *names;
1065 PyObject *s;
1066 int num_controls;
1067 int i;
1068
1069 num_controls = Py_ARRAY_LENGTH(control_labels);
1070 assert(num_controls == Py_ARRAY_LENGTH(control_names));
1071
1072 labels = PyList_New(num_controls);
1073 names = PyList_New(num_controls);
1074 if (labels == NULL || names == NULL)
1075 goto error2;
1076 for (i = 0; i < num_controls; i++) {
1077 s = PyUnicode_FromString(control_labels[i]);
1078 if (s == NULL)
1079 goto error2;
1080 PyList_SET_ITEM(labels, i, s);
1081
1082 s = PyUnicode_FromString(control_names[i]);
1083 if (s == NULL)
1084 goto error2;
1085 PyList_SET_ITEM(names, i, s);
1086 }
1087
1088 if (PyModule_AddObject(module, "control_labels", labels) == -1)
1089 goto error2;
1090 if (PyModule_AddObject(module, "control_names", names) == -1)
1091 goto error1;
1092
1093 return 0;
1094
1095 error2:
1096 Py_XDECREF(labels);
1097 error1:
1098 Py_XDECREF(names);
1099 return -1;
1100 }
1101
1102
1103 static struct PyModuleDef ossaudiodevmodule = {
1104 PyModuleDef_HEAD_INIT,
1105 "ossaudiodev",
1106 NULL,
1107 -1,
1108 ossaudiodev_methods,
1109 NULL,
1110 NULL,
1111 NULL,
1112 NULL
1113 };
1114
1115 PyMODINIT_FUNC
1116 PyInit_ossaudiodev(void)
1117 {
1118 PyObject *m;
1119
1120 if (PyErr_WarnEx(PyExc_DeprecationWarning,
1121 "'ossaudiodev' is deprecated and slated for removal in "
1122 "Python 3.13",
1123 7)) {
1124 return NULL;
1125 }
1126
1127 if (PyType_Ready(&OSSAudioType) < 0)
1128 return NULL;
1129
1130 if (PyType_Ready(&OSSMixerType) < 0)
1131 return NULL;
1132
1133 m = PyModule_Create(&ossaudiodevmodule);
1134 if (m == NULL)
1135 return NULL;
1136
1137 OSSAudioError = PyErr_NewException("ossaudiodev.OSSAudioError",
1138 NULL, NULL);
1139 if (OSSAudioError) {
1140 /* Each call to PyModule_AddObject decrefs it; compensate: */
1141 Py_INCREF(OSSAudioError);
1142 Py_INCREF(OSSAudioError);
1143 PyModule_AddObject(m, "error", OSSAudioError);
1144 PyModule_AddObject(m, "OSSAudioError", OSSAudioError);
1145 }
1146
1147 /* Build 'control_labels' and 'control_names' lists and add them
1148 to the module. */
1149 if (build_namelists(m) == -1) /* XXX what to do here? */
1150 return NULL;
1151
1152 /* Expose the audio format numbers -- essential! */
1153 _EXPORT_INT(m, AFMT_QUERY);
1154 _EXPORT_INT(m, AFMT_MU_LAW);
1155 _EXPORT_INT(m, AFMT_A_LAW);
1156 _EXPORT_INT(m, AFMT_IMA_ADPCM);
1157 _EXPORT_INT(m, AFMT_U8);
1158 _EXPORT_INT(m, AFMT_S16_LE);
1159 _EXPORT_INT(m, AFMT_S16_BE);
1160 _EXPORT_INT(m, AFMT_S8);
1161 _EXPORT_INT(m, AFMT_U16_LE);
1162 _EXPORT_INT(m, AFMT_U16_BE);
1163 _EXPORT_INT(m, AFMT_MPEG);
1164 #ifdef AFMT_AC3
1165 _EXPORT_INT(m, AFMT_AC3);
1166 #endif
1167 #ifdef AFMT_S16_NE
1168 _EXPORT_INT(m, AFMT_S16_NE);
1169 #endif
1170 #ifdef AFMT_U16_NE
1171 _EXPORT_INT(m, AFMT_U16_NE);
1172 #endif
1173 #ifdef AFMT_S32_LE
1174 _EXPORT_INT(m, AFMT_S32_LE);
1175 #endif
1176 #ifdef AFMT_S32_BE
1177 _EXPORT_INT(m, AFMT_S32_BE);
1178 #endif
1179 #ifdef AFMT_MPEG
1180 _EXPORT_INT(m, AFMT_MPEG);
1181 #endif
1182
1183 /* Expose the sound mixer device numbers. */
1184 _EXPORT_INT(m, SOUND_MIXER_NRDEVICES);
1185 _EXPORT_INT(m, SOUND_MIXER_VOLUME);
1186 _EXPORT_INT(m, SOUND_MIXER_BASS);
1187 _EXPORT_INT(m, SOUND_MIXER_TREBLE);
1188 _EXPORT_INT(m, SOUND_MIXER_SYNTH);
1189 _EXPORT_INT(m, SOUND_MIXER_PCM);
1190 _EXPORT_INT(m, SOUND_MIXER_SPEAKER);
1191 _EXPORT_INT(m, SOUND_MIXER_LINE);
1192 _EXPORT_INT(m, SOUND_MIXER_MIC);
1193 _EXPORT_INT(m, SOUND_MIXER_CD);
1194 _EXPORT_INT(m, SOUND_MIXER_IMIX);
1195 _EXPORT_INT(m, SOUND_MIXER_ALTPCM);
1196 _EXPORT_INT(m, SOUND_MIXER_RECLEV);
1197 _EXPORT_INT(m, SOUND_MIXER_IGAIN);
1198 _EXPORT_INT(m, SOUND_MIXER_OGAIN);
1199 _EXPORT_INT(m, SOUND_MIXER_LINE1);
1200 _EXPORT_INT(m, SOUND_MIXER_LINE2);
1201 _EXPORT_INT(m, SOUND_MIXER_LINE3);
1202 #ifdef SOUND_MIXER_DIGITAL1
1203 _EXPORT_INT(m, SOUND_MIXER_DIGITAL1);
1204 #endif
1205 #ifdef SOUND_MIXER_DIGITAL2
1206 _EXPORT_INT(m, SOUND_MIXER_DIGITAL2);
1207 #endif
1208 #ifdef SOUND_MIXER_DIGITAL3
1209 _EXPORT_INT(m, SOUND_MIXER_DIGITAL3);
1210 #endif
1211 #ifdef SOUND_MIXER_PHONEIN
1212 _EXPORT_INT(m, SOUND_MIXER_PHONEIN);
1213 #endif
1214 #ifdef SOUND_MIXER_PHONEOUT
1215 _EXPORT_INT(m, SOUND_MIXER_PHONEOUT);
1216 #endif
1217 #ifdef SOUND_MIXER_VIDEO
1218 _EXPORT_INT(m, SOUND_MIXER_VIDEO);
1219 #endif
1220 #ifdef SOUND_MIXER_RADIO
1221 _EXPORT_INT(m, SOUND_MIXER_RADIO);
1222 #endif
1223 #ifdef SOUND_MIXER_MONITOR
1224 _EXPORT_INT(m, SOUND_MIXER_MONITOR);
1225 #endif
1226
1227 /* Expose all the ioctl numbers for masochists who like to do this
1228 stuff directly. */
1229 #ifdef SNDCTL_COPR_HALT
1230 _EXPORT_INT(m, SNDCTL_COPR_HALT);
1231 #endif
1232 #ifdef SNDCTL_COPR_LOAD
1233 _EXPORT_INT(m, SNDCTL_COPR_LOAD);
1234 #endif
1235 #ifdef SNDCTL_COPR_RCODE
1236 _EXPORT_INT(m, SNDCTL_COPR_RCODE);
1237 #endif
1238 #ifdef SNDCTL_COPR_RCVMSG
1239 _EXPORT_INT(m, SNDCTL_COPR_RCVMSG);
1240 #endif
1241 #ifdef SNDCTL_COPR_RDATA
1242 _EXPORT_INT(m, SNDCTL_COPR_RDATA);
1243 #endif
1244 #ifdef SNDCTL_COPR_RESET
1245 _EXPORT_INT(m, SNDCTL_COPR_RESET);
1246 #endif
1247 #ifdef SNDCTL_COPR_RUN
1248 _EXPORT_INT(m, SNDCTL_COPR_RUN);
1249 #endif
1250 #ifdef SNDCTL_COPR_SENDMSG
1251 _EXPORT_INT(m, SNDCTL_COPR_SENDMSG);
1252 #endif
1253 #ifdef SNDCTL_COPR_WCODE
1254 _EXPORT_INT(m, SNDCTL_COPR_WCODE);
1255 #endif
1256 #ifdef SNDCTL_COPR_WDATA
1257 _EXPORT_INT(m, SNDCTL_COPR_WDATA);
1258 #endif
1259 #ifdef SNDCTL_DSP_BIND_CHANNEL
1260 _EXPORT_INT(m, SNDCTL_DSP_BIND_CHANNEL);
1261 #endif
1262 _EXPORT_INT(m, SNDCTL_DSP_CHANNELS);
1263 _EXPORT_INT(m, SNDCTL_DSP_GETBLKSIZE);
1264 _EXPORT_INT(m, SNDCTL_DSP_GETCAPS);
1265 #ifdef SNDCTL_DSP_GETCHANNELMASK
1266 _EXPORT_INT(m, SNDCTL_DSP_GETCHANNELMASK);
1267 #endif
1268 _EXPORT_INT(m, SNDCTL_DSP_GETFMTS);
1269 _EXPORT_INT(m, SNDCTL_DSP_GETIPTR);
1270 _EXPORT_INT(m, SNDCTL_DSP_GETISPACE);
1271 #ifdef SNDCTL_DSP_GETODELAY
1272 _EXPORT_INT(m, SNDCTL_DSP_GETODELAY);
1273 #endif
1274 _EXPORT_INT(m, SNDCTL_DSP_GETOPTR);
1275 _EXPORT_INT(m, SNDCTL_DSP_GETOSPACE);
1276 #ifdef SNDCTL_DSP_GETSPDIF
1277 _EXPORT_INT(m, SNDCTL_DSP_GETSPDIF);
1278 #endif
1279 _EXPORT_INT(m, SNDCTL_DSP_GETTRIGGER);
1280 #ifdef SNDCTL_DSP_MAPINBUF
1281 _EXPORT_INT(m, SNDCTL_DSP_MAPINBUF);
1282 #endif
1283 #ifdef SNDCTL_DSP_MAPOUTBUF
1284 _EXPORT_INT(m, SNDCTL_DSP_MAPOUTBUF);
1285 #endif
1286 _EXPORT_INT(m, SNDCTL_DSP_NONBLOCK);
1287 _EXPORT_INT(m, SNDCTL_DSP_POST);
1288 #ifdef SNDCTL_DSP_PROFILE
1289 _EXPORT_INT(m, SNDCTL_DSP_PROFILE);
1290 #endif
1291 _EXPORT_INT(m, SNDCTL_DSP_RESET);
1292 _EXPORT_INT(m, SNDCTL_DSP_SAMPLESIZE);
1293 _EXPORT_INT(m, SNDCTL_DSP_SETDUPLEX);
1294 _EXPORT_INT(m, SNDCTL_DSP_SETFMT);
1295 _EXPORT_INT(m, SNDCTL_DSP_SETFRAGMENT);
1296 #ifdef SNDCTL_DSP_SETSPDIF
1297 _EXPORT_INT(m, SNDCTL_DSP_SETSPDIF);
1298 #endif
1299 _EXPORT_INT(m, SNDCTL_DSP_SETSYNCRO);
1300 _EXPORT_INT(m, SNDCTL_DSP_SETTRIGGER);
1301 _EXPORT_INT(m, SNDCTL_DSP_SPEED);
1302 _EXPORT_INT(m, SNDCTL_DSP_STEREO);
1303 _EXPORT_INT(m, SNDCTL_DSP_SUBDIVIDE);
1304 _EXPORT_INT(m, SNDCTL_DSP_SYNC);
1305 #ifdef SNDCTL_FM_4OP_ENABLE
1306 _EXPORT_INT(m, SNDCTL_FM_4OP_ENABLE);
1307 #endif
1308 #ifdef SNDCTL_FM_LOAD_INSTR
1309 _EXPORT_INT(m, SNDCTL_FM_LOAD_INSTR);
1310 #endif
1311 #ifdef SNDCTL_MIDI_INFO
1312 _EXPORT_INT(m, SNDCTL_MIDI_INFO);
1313 #endif
1314 #ifdef SNDCTL_MIDI_MPUCMD
1315 _EXPORT_INT(m, SNDCTL_MIDI_MPUCMD);
1316 #endif
1317 #ifdef SNDCTL_MIDI_MPUMODE
1318 _EXPORT_INT(m, SNDCTL_MIDI_MPUMODE);
1319 #endif
1320 #ifdef SNDCTL_MIDI_PRETIME
1321 _EXPORT_INT(m, SNDCTL_MIDI_PRETIME);
1322 #endif
1323 #ifdef SNDCTL_SEQ_CTRLRATE
1324 _EXPORT_INT(m, SNDCTL_SEQ_CTRLRATE);
1325 #endif
1326 #ifdef SNDCTL_SEQ_GETINCOUNT
1327 _EXPORT_INT(m, SNDCTL_SEQ_GETINCOUNT);
1328 #endif
1329 #ifdef SNDCTL_SEQ_GETOUTCOUNT
1330 _EXPORT_INT(m, SNDCTL_SEQ_GETOUTCOUNT);
1331 #endif
1332 #ifdef SNDCTL_SEQ_GETTIME
1333 _EXPORT_INT(m, SNDCTL_SEQ_GETTIME);
1334 #endif
1335 #ifdef SNDCTL_SEQ_NRMIDIS
1336 _EXPORT_INT(m, SNDCTL_SEQ_NRMIDIS);
1337 #endif
1338 #ifdef SNDCTL_SEQ_NRSYNTHS
1339 _EXPORT_INT(m, SNDCTL_SEQ_NRSYNTHS);
1340 #endif
1341 #ifdef SNDCTL_SEQ_OUTOFBAND
1342 _EXPORT_INT(m, SNDCTL_SEQ_OUTOFBAND);
1343 #endif
1344 #ifdef SNDCTL_SEQ_PANIC
1345 _EXPORT_INT(m, SNDCTL_SEQ_PANIC);
1346 #endif
1347 #ifdef SNDCTL_SEQ_PERCMODE
1348 _EXPORT_INT(m, SNDCTL_SEQ_PERCMODE);
1349 #endif
1350 #ifdef SNDCTL_SEQ_RESET
1351 _EXPORT_INT(m, SNDCTL_SEQ_RESET);
1352 #endif
1353 #ifdef SNDCTL_SEQ_RESETSAMPLES
1354 _EXPORT_INT(m, SNDCTL_SEQ_RESETSAMPLES);
1355 #endif
1356 #ifdef SNDCTL_SEQ_SYNC
1357 _EXPORT_INT(m, SNDCTL_SEQ_SYNC);
1358 #endif
1359 #ifdef SNDCTL_SEQ_TESTMIDI
1360 _EXPORT_INT(m, SNDCTL_SEQ_TESTMIDI);
1361 #endif
1362 #ifdef SNDCTL_SEQ_THRESHOLD
1363 _EXPORT_INT(m, SNDCTL_SEQ_THRESHOLD);
1364 #endif
1365 #ifdef SNDCTL_SYNTH_CONTROL
1366 _EXPORT_INT(m, SNDCTL_SYNTH_CONTROL);
1367 #endif
1368 #ifdef SNDCTL_SYNTH_ID
1369 _EXPORT_INT(m, SNDCTL_SYNTH_ID);
1370 #endif
1371 #ifdef SNDCTL_SYNTH_INFO
1372 _EXPORT_INT(m, SNDCTL_SYNTH_INFO);
1373 #endif
1374 #ifdef SNDCTL_SYNTH_MEMAVL
1375 _EXPORT_INT(m, SNDCTL_SYNTH_MEMAVL);
1376 #endif
1377 #ifdef SNDCTL_SYNTH_REMOVESAMPLE
1378 _EXPORT_INT(m, SNDCTL_SYNTH_REMOVESAMPLE);
1379 #endif
1380 #ifdef SNDCTL_TMR_CONTINUE
1381 _EXPORT_INT(m, SNDCTL_TMR_CONTINUE);
1382 #endif
1383 #ifdef SNDCTL_TMR_METRONOME
1384 _EXPORT_INT(m, SNDCTL_TMR_METRONOME);
1385 #endif
1386 #ifdef SNDCTL_TMR_SELECT
1387 _EXPORT_INT(m, SNDCTL_TMR_SELECT);
1388 #endif
1389 #ifdef SNDCTL_TMR_SOURCE
1390 _EXPORT_INT(m, SNDCTL_TMR_SOURCE);
1391 #endif
1392 #ifdef SNDCTL_TMR_START
1393 _EXPORT_INT(m, SNDCTL_TMR_START);
1394 #endif
1395 #ifdef SNDCTL_TMR_STOP
1396 _EXPORT_INT(m, SNDCTL_TMR_STOP);
1397 #endif
1398 #ifdef SNDCTL_TMR_TEMPO
1399 _EXPORT_INT(m, SNDCTL_TMR_TEMPO);
1400 #endif
1401 #ifdef SNDCTL_TMR_TIMEBASE
1402 _EXPORT_INT(m, SNDCTL_TMR_TIMEBASE);
1403 #endif
1404 return m;
1405 }