| /* |
| * ossaudiodev -- Python interface to the OSS (Open Sound System) API. |
| * This is the standard audio API for Linux and some |
| * flavours of BSD [XXX which ones?]; it is also available |
| * for a wide range of commercial Unices. |
| * |
| * Originally written by Peter Bosch, March 2000, as linuxaudiodev. |
| * |
| * Renamed to ossaudiodev and rearranged/revised/hacked up |
| * by Greg Ward <gward@python.net>, November 2002. |
| * Mixer interface by Nicholas FitzRoy-Dale <wzdd@lardcave.net>, Dec 2002. |
| * |
| * (c) 2000 Peter Bosch. All Rights Reserved. |
| * (c) 2002 Gregory P. Ward. All Rights Reserved. |
| * (c) 2002 Python Software Foundation. All Rights Reserved. |
| * |
| * XXX need a license statement |
| * |
| * $Id$ |
| */ |
| |
| #include "Python.h" |
| #include "structmember.h" |
| |
| #ifdef HAVE_FCNTL_H |
| #include <fcntl.h> |
| #else |
| #define O_RDONLY 00 |
| #define O_WRONLY 01 |
| #endif |
| |
| #include <sys/ioctl.h> |
| #include <sys/soundcard.h> |
| |
| #if defined(linux) |
| |
| #ifndef HAVE_STDINT_H |
| typedef unsigned long uint32_t; |
| #endif |
| |
| #elif defined(__FreeBSD__) |
| |
| # ifndef SNDCTL_DSP_CHANNELS |
| # define SNDCTL_DSP_CHANNELS SOUND_PCM_WRITE_CHANNELS |
| # endif |
| |
| #endif |
| |
| typedef struct { |
| PyObject_HEAD |
| char *devicename; /* name of the device file */ |
| int fd; /* file descriptor */ |
| int mode; /* file mode (O_RDONLY, etc.) */ |
| int icount; /* input count */ |
| int ocount; /* output count */ |
| uint32_t afmts; /* audio formats supported by hardware */ |
| } oss_audio_t; |
| |
| typedef struct { |
| PyObject_HEAD |
| int fd; /* The open mixer device */ |
| } oss_mixer_t; |
| |
| |
| static PyTypeObject OSSAudioType; |
| static PyTypeObject OSSMixerType; |
| |
| static PyObject *OSSAudioError; |
| |
| |
| /* ---------------------------------------------------------------------- |
| * DSP object initialization/deallocation |
| */ |
| |
| static oss_audio_t * |
| newossobject(PyObject *arg) |
| { |
| oss_audio_t *self; |
| int fd, afmts, imode; |
| char *devicename = NULL; |
| char *mode = NULL; |
| |
| /* Two ways to call open(): |
| open(device, mode) (for consistency with builtin open()) |
| open(mode) (for backwards compatibility) |
| because the *first* argument is optional, parsing args is |
| a wee bit tricky. */ |
| if (!PyArg_ParseTuple(arg, "s|s:open", &devicename, &mode)) |
| return NULL; |
| if (mode == NULL) { /* only one arg supplied */ |
| mode = devicename; |
| devicename = NULL; |
| } |
| |
| if (strcmp(mode, "r") == 0) |
| imode = O_RDONLY; |
| else if (strcmp(mode, "w") == 0) |
| imode = O_WRONLY; |
| else if (strcmp(mode, "rw") == 0) |
| imode = O_RDWR; |
| else { |
| PyErr_SetString(OSSAudioError, "mode must be 'r', 'w', or 'rw'"); |
| return NULL; |
| } |
| |
| /* Open the correct device: either the 'device' argument, |
| or the AUDIODEV environment variable, or "/dev/dsp". */ |
| if (devicename == NULL) { /* called with one arg */ |
| devicename = getenv("AUDIODEV"); |
| if (devicename == NULL) /* $AUDIODEV not set */ |
| devicename = "/dev/dsp"; |
| } |
| |
| /* Open with O_NONBLOCK to avoid hanging on devices that only allow |
| one open at a time. This does *not* affect later I/O; OSS |
| provides a special ioctl() for non-blocking read/write, which is |
| exposed via oss_nonblock() below. */ |
| if ((fd = open(devicename, imode|O_NONBLOCK)) == -1) { |
| PyErr_SetFromErrnoWithFilename(PyExc_IOError, devicename); |
| return NULL; |
| } |
| |
| /* And (try to) put it back in blocking mode so we get the |
| expected write() semantics. */ |
| if (fcntl(fd, F_SETFL, 0) == -1) { |
| close(fd); |
| PyErr_SetFromErrnoWithFilename(PyExc_IOError, devicename); |
| return NULL; |
| } |
| |
| if (ioctl(fd, SNDCTL_DSP_GETFMTS, &afmts) == -1) { |
| close(fd); |
| PyErr_SetFromErrnoWithFilename(PyExc_IOError, devicename); |
| return NULL; |
| } |
| /* Create and initialize the object */ |
| if ((self = PyObject_New(oss_audio_t, &OSSAudioType)) == NULL) { |
| close(fd); |
| return NULL; |
| } |
| self->devicename = devicename; |
| self->fd = fd; |
| self->mode = imode; |
| self->icount = self->ocount = 0; |
| self->afmts = afmts; |
| return self; |
| } |
| |
| static void |
| oss_dealloc(oss_audio_t *self) |
| { |
| /* if already closed, don't reclose it */ |
| if (self->fd != -1) |
| close(self->fd); |
| PyObject_Del(self); |
| } |
| |
| |
| /* ---------------------------------------------------------------------- |
| * Mixer object initialization/deallocation |
| */ |
| |
| static oss_mixer_t * |
| newossmixerobject(PyObject *arg) |
| { |
| char *devicename = NULL; |
| int fd; |
| oss_mixer_t *self; |
| |
| if (!PyArg_ParseTuple(arg, "|s", &devicename)) { |
| return NULL; |
| } |
| |
| if (devicename == NULL) { |
| devicename = getenv("MIXERDEV"); |
| if (devicename == NULL) /* MIXERDEV not set */ |
| devicename = "/dev/mixer"; |
| } |
| |
| if ((fd = open(devicename, O_RDWR)) == -1) { |
| PyErr_SetFromErrnoWithFilename(PyExc_IOError, devicename); |
| return NULL; |
| } |
| |
| if ((self = PyObject_New(oss_mixer_t, &OSSMixerType)) == NULL) { |
| close(fd); |
| return NULL; |
| } |
| |
| self->fd = fd; |
| |
| return self; |
| } |
| |
| static void |
| oss_mixer_dealloc(oss_mixer_t *self) |
| { |
| /* if already closed, don't reclose it */ |
| if (self->fd != -1) |
| close(self->fd); |
| PyObject_Del(self); |
| } |
| |
| |
| /* Methods to wrap the OSS ioctls. The calling convention is pretty |
| simple: |
| nonblock() -> ioctl(fd, SNDCTL_DSP_NONBLOCK) |
| fmt = setfmt(fmt) -> ioctl(fd, SNDCTL_DSP_SETFMT, &fmt) |
| etc. |
| */ |
| |
| |
| /* ---------------------------------------------------------------------- |
| * Helper functions |
| */ |
| |
| /* Check if a given file descriptor is valid (i.e. hasn't been closed). |
| * If true, return 1. Otherwise, raise ValueError and return 0. |
| */ |
| static int _is_fd_valid(int fd) |
| { |
| /* the FD is set to -1 in oss_close()/oss_mixer_close() */ |
| if (fd >= 0) { |
| return 1; |
| } else { |
| PyErr_SetString(PyExc_ValueError, |
| "Operation on closed OSS device."); |
| return 0; |
| } |
| } |
| |
| /* _do_ioctl_1() is a private helper function used for the OSS ioctls -- |
| SNDCTL_DSP_{SETFMT,CHANNELS,SPEED} -- that that are called from C |
| like this: |
| ioctl(fd, SNDCTL_DSP_cmd, &arg) |
| |
| where arg is the value to set, and on return the driver sets arg to |
| the value that was actually set. Mapping this to Python is obvious: |
| arg = dsp.xxx(arg) |
| */ |
| static PyObject * |
| _do_ioctl_1(int fd, PyObject *args, char *fname, int cmd) |
| { |
| char argfmt[33] = "i:"; |
| int arg; |
| |
| assert(strlen(fname) <= 30); |
| strcat(argfmt, fname); |
| if (!PyArg_ParseTuple(args, argfmt, &arg)) |
| return NULL; |
| |
| if (ioctl(fd, cmd, &arg) == -1) |
| return PyErr_SetFromErrno(PyExc_IOError); |
| return PyLong_FromLong(arg); |
| } |
| |
| |
| /* _do_ioctl_1_internal() is a wrapper for ioctls that take no inputs |
| but return an output -- ie. we need to pass a pointer to a local C |
| variable so the driver can write its output there, but from Python |
| all we see is the return value. For example, |
| SOUND_MIXER_READ_DEVMASK returns a bitmask of available mixer |
| devices, but does not use the value of the parameter passed-in in any |
| way. |
| */ |
| static PyObject * |
| _do_ioctl_1_internal(int fd, PyObject *args, char *fname, int cmd) |
| { |
| char argfmt[32] = ":"; |
| int arg = 0; |
| |
| assert(strlen(fname) <= 30); |
| strcat(argfmt, fname); |
| if (!PyArg_ParseTuple(args, argfmt, &arg)) |
| return NULL; |
| |
| if (ioctl(fd, cmd, &arg) == -1) |
| return PyErr_SetFromErrno(PyExc_IOError); |
| return PyLong_FromLong(arg); |
| } |
| |
| |
| |
| /* _do_ioctl_0() is a private helper for the no-argument ioctls: |
| SNDCTL_DSP_{SYNC,RESET,POST}. */ |
| static PyObject * |
| _do_ioctl_0(int fd, PyObject *args, char *fname, int cmd) |
| { |
| char argfmt[32] = ":"; |
| int rv; |
| |
| assert(strlen(fname) <= 30); |
| strcat(argfmt, fname); |
| if (!PyArg_ParseTuple(args, argfmt)) |
| return NULL; |
| |
| /* According to hannu@opensound.com, all three of the ioctls that |
| use this function can block, so release the GIL. This is |
| especially important for SYNC, which can block for several |
| seconds. */ |
| Py_BEGIN_ALLOW_THREADS |
| rv = ioctl(fd, cmd, 0); |
| Py_END_ALLOW_THREADS |
| |
| if (rv == -1) |
| return PyErr_SetFromErrno(PyExc_IOError); |
| Py_INCREF(Py_None); |
| return Py_None; |
| } |
| |
| |
| /* ---------------------------------------------------------------------- |
| * Methods of DSP objects (OSSAudioType) |
| */ |
| |
| static PyObject * |
| oss_nonblock(oss_audio_t *self, PyObject *unused) |
| { |
| if (!_is_fd_valid(self->fd)) |
| return NULL; |
| |
| /* Hmmm: it doesn't appear to be possible to return to blocking |
| mode once we're in non-blocking mode! */ |
| if (ioctl(self->fd, SNDCTL_DSP_NONBLOCK, NULL) == -1) |
| return PyErr_SetFromErrno(PyExc_IOError); |
| Py_INCREF(Py_None); |
| return Py_None; |
| } |
| |
| static PyObject * |
| oss_setfmt(oss_audio_t *self, PyObject *args) |
| { |
| if (!_is_fd_valid(self->fd)) |
| return NULL; |
| |
| return _do_ioctl_1(self->fd, args, "setfmt", SNDCTL_DSP_SETFMT); |
| } |
| |
| static PyObject * |
| oss_getfmts(oss_audio_t *self, PyObject *unused) |
| { |
| int mask; |
| |
| if (!_is_fd_valid(self->fd)) |
| return NULL; |
| |
| if (ioctl(self->fd, SNDCTL_DSP_GETFMTS, &mask) == -1) |
| return PyErr_SetFromErrno(PyExc_IOError); |
| return PyLong_FromLong(mask); |
| } |
| |
| static PyObject * |
| oss_channels(oss_audio_t *self, PyObject *args) |
| { |
| if (!_is_fd_valid(self->fd)) |
| return NULL; |
| |
| return _do_ioctl_1(self->fd, args, "channels", SNDCTL_DSP_CHANNELS); |
| } |
| |
| static PyObject * |
| oss_speed(oss_audio_t *self, PyObject *args) |
| { |
| if (!_is_fd_valid(self->fd)) |
| return NULL; |
| |
| return _do_ioctl_1(self->fd, args, "speed", SNDCTL_DSP_SPEED); |
| } |
| |
| static PyObject * |
| oss_sync(oss_audio_t *self, PyObject *args) |
| { |
| if (!_is_fd_valid(self->fd)) |
| return NULL; |
| |
| return _do_ioctl_0(self->fd, args, "sync", SNDCTL_DSP_SYNC); |
| } |
| |
| static PyObject * |
| oss_reset(oss_audio_t *self, PyObject *args) |
| { |
| if (!_is_fd_valid(self->fd)) |
| return NULL; |
| |
| return _do_ioctl_0(self->fd, args, "reset", SNDCTL_DSP_RESET); |
| } |
| |
| static PyObject * |
| oss_post(oss_audio_t *self, PyObject *args) |
| { |
| if (!_is_fd_valid(self->fd)) |
| return NULL; |
| |
| return _do_ioctl_0(self->fd, args, "post", SNDCTL_DSP_POST); |
| } |
| |
| |
| /* Regular file methods: read(), write(), close(), etc. as well |
| as one convenience method, writeall(). */ |
| |
| static PyObject * |
| oss_read(oss_audio_t *self, PyObject *args) |
| { |
| int size, count; |
| char *cp; |
| PyObject *rv; |
| |
| if (!_is_fd_valid(self->fd)) |
| return NULL; |
| |
| if (!PyArg_ParseTuple(args, "i:read", &size)) |
| return NULL; |
| rv = PyBytes_FromStringAndSize(NULL, size); |
| if (rv == NULL) |
| return NULL; |
| cp = PyBytes_AS_STRING(rv); |
| |
| Py_BEGIN_ALLOW_THREADS |
| count = read(self->fd, cp, size); |
| Py_END_ALLOW_THREADS |
| |
| if (count < 0) { |
| PyErr_SetFromErrno(PyExc_IOError); |
| Py_DECREF(rv); |
| return NULL; |
| } |
| self->icount += count; |
| _PyBytes_Resize(&rv, count); |
| return rv; |
| } |
| |
| static PyObject * |
| oss_write(oss_audio_t *self, PyObject *args) |
| { |
| char *cp; |
| int rv, size; |
| |
| if (!_is_fd_valid(self->fd)) |
| return NULL; |
| |
| if (!PyArg_ParseTuple(args, "y#:write", &cp, &size)) { |
| return NULL; |
| } |
| |
| Py_BEGIN_ALLOW_THREADS |
| rv = write(self->fd, cp, size); |
| Py_END_ALLOW_THREADS |
| |
| if (rv == -1) { |
| return PyErr_SetFromErrno(PyExc_IOError); |
| } else { |
| self->ocount += rv; |
| } |
| return PyLong_FromLong(rv); |
| } |
| |
| static PyObject * |
| oss_writeall(oss_audio_t *self, PyObject *args) |
| { |
| char *cp; |
| int rv, size; |
| fd_set write_set_fds; |
| int select_rv; |
| |
| /* NB. writeall() is only useful in non-blocking mode: according to |
| Guenter Geiger <geiger@xdv.org> on the linux-audio-dev list |
| (http://eca.cx/lad/2002/11/0380.html), OSS guarantees that |
| write() in blocking mode consumes the whole buffer. In blocking |
| mode, the behaviour of write() and writeall() from Python is |
| indistinguishable. */ |
| |
| if (!_is_fd_valid(self->fd)) |
| return NULL; |
| |
| if (!PyArg_ParseTuple(args, "y#:write", &cp, &size)) |
| return NULL; |
| |
| if (!_PyIsSelectable_fd(self->fd)) { |
| PyErr_SetString(PyExc_ValueError, |
| "file descriptor out of range for select"); |
| return NULL; |
| } |
| /* use select to wait for audio device to be available */ |
| FD_ZERO(&write_set_fds); |
| FD_SET(self->fd, &write_set_fds); |
| |
| while (size > 0) { |
| Py_BEGIN_ALLOW_THREADS |
| select_rv = select(self->fd+1, NULL, &write_set_fds, NULL, NULL); |
| Py_END_ALLOW_THREADS |
| assert(select_rv != 0); /* no timeout, can't expire */ |
| if (select_rv == -1) |
| return PyErr_SetFromErrno(PyExc_IOError); |
| |
| Py_BEGIN_ALLOW_THREADS |
| rv = write(self->fd, cp, size); |
| Py_END_ALLOW_THREADS |
| if (rv == -1) { |
| if (errno == EAGAIN) { /* buffer is full, try again */ |
| errno = 0; |
| continue; |
| } else /* it's a real error */ |
| return PyErr_SetFromErrno(PyExc_IOError); |
| } else { /* wrote rv bytes */ |
| self->ocount += rv; |
| size -= rv; |
| cp += rv; |
| } |
| } |
| Py_INCREF(Py_None); |
| return Py_None; |
| } |
| |
| static PyObject * |
| oss_close(oss_audio_t *self, PyObject *unused) |
| { |
| if (self->fd >= 0) { |
| Py_BEGIN_ALLOW_THREADS |
| close(self->fd); |
| Py_END_ALLOW_THREADS |
| self->fd = -1; |
| } |
| Py_INCREF(Py_None); |
| return Py_None; |
| } |
| |
| static PyObject * |
| oss_self(PyObject *self, PyObject *unused) |
| { |
| Py_INCREF(self); |
| return self; |
| } |
| |
| static PyObject * |
| oss_exit(PyObject *self, PyObject *unused) |
| { |
| _Py_identifier(close); |
| |
| PyObject *ret = _PyObject_CallMethodId(self, &PyId_close, NULL); |
| if (!ret) |
| return NULL; |
| Py_DECREF(ret); |
| Py_RETURN_NONE; |
| } |
| |
| static PyObject * |
| oss_fileno(oss_audio_t *self, PyObject *unused) |
| { |
| if (!_is_fd_valid(self->fd)) |
| return NULL; |
| |
| return PyLong_FromLong(self->fd); |
| } |
| |
| |
| /* Convenience methods: these generally wrap a couple of ioctls into one |
| common task. */ |
| |
| static PyObject * |
| oss_setparameters(oss_audio_t *self, PyObject *args) |
| { |
| int wanted_fmt, wanted_channels, wanted_rate, strict=0; |
| int fmt, channels, rate; |
| PyObject * rv; /* return tuple (fmt, channels, rate) */ |
| |
| if (!_is_fd_valid(self->fd)) |
| return NULL; |
| |
| if (!PyArg_ParseTuple(args, "iii|i:setparameters", |
| &wanted_fmt, &wanted_channels, &wanted_rate, |
| &strict)) |
| return NULL; |
| |
| fmt = wanted_fmt; |
| if (ioctl(self->fd, SNDCTL_DSP_SETFMT, &fmt) == -1) { |
| return PyErr_SetFromErrno(PyExc_IOError); |
| } |
| if (strict && fmt != wanted_fmt) { |
| return PyErr_Format |
| (OSSAudioError, |
| "unable to set requested format (wanted %d, got %d)", |
| wanted_fmt, fmt); |
| } |
| |
| channels = wanted_channels; |
| if (ioctl(self->fd, SNDCTL_DSP_CHANNELS, &channels) == -1) { |
| return PyErr_SetFromErrno(PyExc_IOError); |
| } |
| if (strict && channels != wanted_channels) { |
| return PyErr_Format |
| (OSSAudioError, |
| "unable to set requested channels (wanted %d, got %d)", |
| wanted_channels, channels); |
| } |
| |
| rate = wanted_rate; |
| if (ioctl(self->fd, SNDCTL_DSP_SPEED, &rate) == -1) { |
| return PyErr_SetFromErrno(PyExc_IOError); |
| } |
| if (strict && rate != wanted_rate) { |
| return PyErr_Format |
| (OSSAudioError, |
| "unable to set requested rate (wanted %d, got %d)", |
| wanted_rate, rate); |
| } |
| |
| /* Construct the return value: a (fmt, channels, rate) tuple that |
| tells what the audio hardware was actually set to. */ |
| rv = PyTuple_New(3); |
| if (rv == NULL) |
| return NULL; |
| PyTuple_SET_ITEM(rv, 0, PyLong_FromLong(fmt)); |
| PyTuple_SET_ITEM(rv, 1, PyLong_FromLong(channels)); |
| PyTuple_SET_ITEM(rv, 2, PyLong_FromLong(rate)); |
| return rv; |
| } |
| |
| static int |
| _ssize(oss_audio_t *self, int *nchannels, int *ssize) |
| { |
| int fmt; |
| |
| fmt = 0; |
| if (ioctl(self->fd, SNDCTL_DSP_SETFMT, &fmt) < 0) |
| return -errno; |
| |
| switch (fmt) { |
| case AFMT_MU_LAW: |
| case AFMT_A_LAW: |
| case AFMT_U8: |
| case AFMT_S8: |
| *ssize = 1; /* 8 bit formats: 1 byte */ |
| break; |
| case AFMT_S16_LE: |
| case AFMT_S16_BE: |
| case AFMT_U16_LE: |
| case AFMT_U16_BE: |
| *ssize = 2; /* 16 bit formats: 2 byte */ |
| break; |
| case AFMT_MPEG: |
| case AFMT_IMA_ADPCM: |
| default: |
| return -EOPNOTSUPP; |
| } |
| if (ioctl(self->fd, SNDCTL_DSP_CHANNELS, nchannels) < 0) |
| return -errno; |
| return 0; |
| } |
| |
| |
| /* bufsize returns the size of the hardware audio buffer in number |
| of samples */ |
| static PyObject * |
| oss_bufsize(oss_audio_t *self, PyObject *unused) |
| { |
| audio_buf_info ai; |
| int nchannels=0, ssize=0; |
| |
| if (!_is_fd_valid(self->fd)) |
| return NULL; |
| |
| if (_ssize(self, &nchannels, &ssize) < 0 || !nchannels || !ssize) { |
| PyErr_SetFromErrno(PyExc_IOError); |
| return NULL; |
| } |
| if (ioctl(self->fd, SNDCTL_DSP_GETOSPACE, &ai) < 0) { |
| PyErr_SetFromErrno(PyExc_IOError); |
| return NULL; |
| } |
| return PyLong_FromLong((ai.fragstotal * ai.fragsize) / (nchannels * ssize)); |
| } |
| |
| /* obufcount returns the number of samples that are available in the |
| hardware for playing */ |
| static PyObject * |
| oss_obufcount(oss_audio_t *self, PyObject *unused) |
| { |
| audio_buf_info ai; |
| int nchannels=0, ssize=0; |
| |
| if (!_is_fd_valid(self->fd)) |
| return NULL; |
| |
| if (_ssize(self, &nchannels, &ssize) < 0 || !nchannels || !ssize) { |
| PyErr_SetFromErrno(PyExc_IOError); |
| return NULL; |
| } |
| if (ioctl(self->fd, SNDCTL_DSP_GETOSPACE, &ai) < 0) { |
| PyErr_SetFromErrno(PyExc_IOError); |
| return NULL; |
| } |
| return PyLong_FromLong((ai.fragstotal * ai.fragsize - ai.bytes) / |
| (ssize * nchannels)); |
| } |
| |
| /* obufcount returns the number of samples that can be played without |
| blocking */ |
| static PyObject * |
| oss_obuffree(oss_audio_t *self, PyObject *unused) |
| { |
| audio_buf_info ai; |
| int nchannels=0, ssize=0; |
| |
| if (!_is_fd_valid(self->fd)) |
| return NULL; |
| |
| if (_ssize(self, &nchannels, &ssize) < 0 || !nchannels || !ssize) { |
| PyErr_SetFromErrno(PyExc_IOError); |
| return NULL; |
| } |
| if (ioctl(self->fd, SNDCTL_DSP_GETOSPACE, &ai) < 0) { |
| PyErr_SetFromErrno(PyExc_IOError); |
| return NULL; |
| } |
| return PyLong_FromLong(ai.bytes / (ssize * nchannels)); |
| } |
| |
| static PyObject * |
| oss_getptr(oss_audio_t *self, PyObject *unused) |
| { |
| count_info info; |
| int req; |
| |
| if (!_is_fd_valid(self->fd)) |
| return NULL; |
| |
| if (self->mode == O_RDONLY) |
| req = SNDCTL_DSP_GETIPTR; |
| else |
| req = SNDCTL_DSP_GETOPTR; |
| if (ioctl(self->fd, req, &info) == -1) { |
| PyErr_SetFromErrno(PyExc_IOError); |
| return NULL; |
| } |
| return Py_BuildValue("iii", info.bytes, info.blocks, info.ptr); |
| } |
| |
| |
| /* ---------------------------------------------------------------------- |
| * Methods of mixer objects (OSSMixerType) |
| */ |
| |
| static PyObject * |
| oss_mixer_close(oss_mixer_t *self, PyObject *unused) |
| { |
| if (self->fd >= 0) { |
| close(self->fd); |
| self->fd = -1; |
| } |
| Py_INCREF(Py_None); |
| return Py_None; |
| } |
| |
| static PyObject * |
| oss_mixer_fileno(oss_mixer_t *self, PyObject *unused) |
| { |
| if (!_is_fd_valid(self->fd)) |
| return NULL; |
| |
| return PyLong_FromLong(self->fd); |
| } |
| |
| /* Simple mixer interface methods */ |
| |
| static PyObject * |
| oss_mixer_controls(oss_mixer_t *self, PyObject *args) |
| { |
| if (!_is_fd_valid(self->fd)) |
| return NULL; |
| |
| return _do_ioctl_1_internal(self->fd, args, "controls", |
| SOUND_MIXER_READ_DEVMASK); |
| } |
| |
| static PyObject * |
| oss_mixer_stereocontrols(oss_mixer_t *self, PyObject *args) |
| { |
| if (!_is_fd_valid(self->fd)) |
| return NULL; |
| |
| return _do_ioctl_1_internal(self->fd, args, "stereocontrols", |
| SOUND_MIXER_READ_STEREODEVS); |
| } |
| |
| static PyObject * |
| oss_mixer_reccontrols(oss_mixer_t *self, PyObject *args) |
| { |
| if (!_is_fd_valid(self->fd)) |
| return NULL; |
| |
| return _do_ioctl_1_internal(self->fd, args, "reccontrols", |
| SOUND_MIXER_READ_RECMASK); |
| } |
| |
| static PyObject * |
| oss_mixer_get(oss_mixer_t *self, PyObject *args) |
| { |
| int channel, volume; |
| |
| if (!_is_fd_valid(self->fd)) |
| return NULL; |
| |
| /* Can't use _do_ioctl_1 because of encoded arg thingy. */ |
| if (!PyArg_ParseTuple(args, "i:get", &channel)) |
| return NULL; |
| |
| if (channel < 0 || channel > SOUND_MIXER_NRDEVICES) { |
| PyErr_SetString(OSSAudioError, "Invalid mixer channel specified."); |
| return NULL; |
| } |
| |
| if (ioctl(self->fd, MIXER_READ(channel), &volume) == -1) |
| return PyErr_SetFromErrno(PyExc_IOError); |
| |
| return Py_BuildValue("(ii)", volume & 0xff, (volume & 0xff00) >> 8); |
| } |
| |
| static PyObject * |
| oss_mixer_set(oss_mixer_t *self, PyObject *args) |
| { |
| int channel, volume, leftVol, rightVol; |
| |
| if (!_is_fd_valid(self->fd)) |
| return NULL; |
| |
| /* Can't use _do_ioctl_1 because of encoded arg thingy. */ |
| if (!PyArg_ParseTuple(args, "i(ii):set", &channel, &leftVol, &rightVol)) |
| return NULL; |
| |
| if (channel < 0 || channel > SOUND_MIXER_NRDEVICES) { |
| PyErr_SetString(OSSAudioError, "Invalid mixer channel specified."); |
| return NULL; |
| } |
| |
| if (leftVol < 0 || rightVol < 0 || leftVol > 100 || rightVol > 100) { |
| PyErr_SetString(OSSAudioError, "Volumes must be between 0 and 100."); |
| return NULL; |
| } |
| |
| volume = (rightVol << 8) | leftVol; |
| |
| if (ioctl(self->fd, MIXER_WRITE(channel), &volume) == -1) |
| return PyErr_SetFromErrno(PyExc_IOError); |
| |
| return Py_BuildValue("(ii)", volume & 0xff, (volume & 0xff00) >> 8); |
| } |
| |
| static PyObject * |
| oss_mixer_get_recsrc(oss_mixer_t *self, PyObject *args) |
| { |
| if (!_is_fd_valid(self->fd)) |
| return NULL; |
| |
| return _do_ioctl_1_internal(self->fd, args, "get_recsrc", |
| SOUND_MIXER_READ_RECSRC); |
| } |
| |
| static PyObject * |
| oss_mixer_set_recsrc(oss_mixer_t *self, PyObject *args) |
| { |
| if (!_is_fd_valid(self->fd)) |
| return NULL; |
| |
| return _do_ioctl_1(self->fd, args, "set_recsrc", |
| SOUND_MIXER_WRITE_RECSRC); |
| } |
| |
| |
| /* ---------------------------------------------------------------------- |
| * Method tables and other bureaucracy |
| */ |
| |
| static PyMethodDef oss_methods[] = { |
| /* Regular file methods */ |
| { "read", (PyCFunction)oss_read, METH_VARARGS }, |
| { "write", (PyCFunction)oss_write, METH_VARARGS }, |
| { "writeall", (PyCFunction)oss_writeall, METH_VARARGS }, |
| { "close", (PyCFunction)oss_close, METH_NOARGS }, |
| { "fileno", (PyCFunction)oss_fileno, METH_NOARGS }, |
| |
| /* Simple ioctl wrappers */ |
| { "nonblock", (PyCFunction)oss_nonblock, METH_NOARGS }, |
| { "setfmt", (PyCFunction)oss_setfmt, METH_VARARGS }, |
| { "getfmts", (PyCFunction)oss_getfmts, METH_NOARGS }, |
| { "channels", (PyCFunction)oss_channels, METH_VARARGS }, |
| { "speed", (PyCFunction)oss_speed, METH_VARARGS }, |
| { "sync", (PyCFunction)oss_sync, METH_VARARGS }, |
| { "reset", (PyCFunction)oss_reset, METH_VARARGS }, |
| { "post", (PyCFunction)oss_post, METH_VARARGS }, |
| |
| /* Convenience methods -- wrap a couple of ioctls together */ |
| { "setparameters", (PyCFunction)oss_setparameters, METH_VARARGS }, |
| { "bufsize", (PyCFunction)oss_bufsize, METH_NOARGS }, |
| { "obufcount", (PyCFunction)oss_obufcount, METH_NOARGS }, |
| { "obuffree", (PyCFunction)oss_obuffree, METH_NOARGS }, |
| { "getptr", (PyCFunction)oss_getptr, METH_NOARGS }, |
| |
| /* Aliases for backwards compatibility */ |
| { "flush", (PyCFunction)oss_sync, METH_VARARGS }, |
| |
| /* Support for the context manager protocol */ |
| { "__enter__", oss_self, METH_NOARGS }, |
| { "__exit__", oss_exit, METH_VARARGS }, |
| |
| { NULL, NULL} /* sentinel */ |
| }; |
| |
| static PyMethodDef oss_mixer_methods[] = { |
| /* Regular file method - OSS mixers are ioctl-only interface */ |
| { "close", (PyCFunction)oss_mixer_close, METH_NOARGS }, |
| { "fileno", (PyCFunction)oss_mixer_fileno, METH_NOARGS }, |
| |
| /* Support for the context manager protocol */ |
| { "__enter__", oss_self, METH_NOARGS }, |
| { "__exit__", oss_exit, METH_VARARGS }, |
| |
| /* Simple ioctl wrappers */ |
| { "controls", (PyCFunction)oss_mixer_controls, METH_VARARGS }, |
| { "stereocontrols", (PyCFunction)oss_mixer_stereocontrols, METH_VARARGS}, |
| { "reccontrols", (PyCFunction)oss_mixer_reccontrols, METH_VARARGS}, |
| { "get", (PyCFunction)oss_mixer_get, METH_VARARGS }, |
| { "set", (PyCFunction)oss_mixer_set, METH_VARARGS }, |
| { "get_recsrc", (PyCFunction)oss_mixer_get_recsrc, METH_VARARGS }, |
| { "set_recsrc", (PyCFunction)oss_mixer_set_recsrc, METH_VARARGS }, |
| |
| { NULL, NULL} |
| }; |
| |
| static PyObject * |
| oss_getattro(oss_audio_t *self, PyObject *nameobj) |
| { |
| char *name = ""; |
| PyObject * rval = NULL; |
| |
| if (PyUnicode_Check(nameobj)) |
| name = _PyUnicode_AsString(nameobj); |
| |
| if (strcmp(name, "closed") == 0) { |
| rval = (self->fd == -1) ? Py_True : Py_False; |
| Py_INCREF(rval); |
| } |
| else if (strcmp(name, "name") == 0) { |
| rval = PyUnicode_FromString(self->devicename); |
| } |
| else if (strcmp(name, "mode") == 0) { |
| /* No need for a "default" in this switch: from newossobject(), |
| self->mode can only be one of these three values. */ |
| switch(self->mode) { |
| case O_RDONLY: |
| rval = PyUnicode_FromString("r"); |
| break; |
| case O_RDWR: |
| rval = PyUnicode_FromString("rw"); |
| break; |
| case O_WRONLY: |
| rval = PyUnicode_FromString("w"); |
| break; |
| } |
| } |
| else { |
| rval = PyObject_GenericGetAttr((PyObject *)self, nameobj); |
| } |
| return rval; |
| } |
| |
| static PyTypeObject OSSAudioType = { |
| PyVarObject_HEAD_INIT(&PyType_Type, 0) |
| "ossaudiodev.oss_audio_device", /*tp_name*/ |
| sizeof(oss_audio_t), /*tp_size*/ |
| 0, /*tp_itemsize*/ |
| /* methods */ |
| (destructor)oss_dealloc, /*tp_dealloc*/ |
| 0, /*tp_print*/ |
| 0, /*tp_getattr*/ |
| 0, /*tp_setattr*/ |
| 0, /*tp_reserved*/ |
| 0, /*tp_repr*/ |
| 0, /*tp_as_number*/ |
| 0, /*tp_as_sequence*/ |
| 0, /*tp_as_mapping*/ |
| 0, /*tp_hash*/ |
| 0, /*tp_call*/ |
| 0, /*tp_str*/ |
| (getattrofunc)oss_getattro, /*tp_getattro*/ |
| 0, /*tp_setattro*/ |
| 0, /*tp_as_buffer*/ |
| Py_TPFLAGS_DEFAULT, /*tp_flags*/ |
| 0, /*tp_doc*/ |
| 0, /*tp_traverse*/ |
| 0, /*tp_clear*/ |
| 0, /*tp_richcompare*/ |
| 0, /*tp_weaklistoffset*/ |
| 0, /*tp_iter*/ |
| 0, /*tp_iternext*/ |
| oss_methods, /*tp_methods*/ |
| }; |
| |
| static PyTypeObject OSSMixerType = { |
| PyVarObject_HEAD_INIT(&PyType_Type, 0) |
| "ossaudiodev.oss_mixer_device", /*tp_name*/ |
| sizeof(oss_mixer_t), /*tp_size*/ |
| 0, /*tp_itemsize*/ |
| /* methods */ |
| (destructor)oss_mixer_dealloc, /*tp_dealloc*/ |
| 0, /*tp_print*/ |
| 0, /*tp_getattr*/ |
| 0, /*tp_setattr*/ |
| 0, /*tp_reserved*/ |
| 0, /*tp_repr*/ |
| 0, /*tp_as_number*/ |
| 0, /*tp_as_sequence*/ |
| 0, /*tp_as_mapping*/ |
| 0, /*tp_hash*/ |
| 0, /*tp_call*/ |
| 0, /*tp_str*/ |
| 0, /*tp_getattro*/ |
| 0, /*tp_setattro*/ |
| 0, /*tp_as_buffer*/ |
| Py_TPFLAGS_DEFAULT, /*tp_flags*/ |
| 0, /*tp_doc*/ |
| 0, /*tp_traverse*/ |
| 0, /*tp_clear*/ |
| 0, /*tp_richcompare*/ |
| 0, /*tp_weaklistoffset*/ |
| 0, /*tp_iter*/ |
| 0, /*tp_iternext*/ |
| oss_mixer_methods, /*tp_methods*/ |
| }; |
| |
| |
| static PyObject * |
| ossopen(PyObject *self, PyObject *args) |
| { |
| return (PyObject *)newossobject(args); |
| } |
| |
| static PyObject * |
| ossopenmixer(PyObject *self, PyObject *args) |
| { |
| return (PyObject *)newossmixerobject(args); |
| } |
| |
| static PyMethodDef ossaudiodev_methods[] = { |
| { "open", ossopen, METH_VARARGS }, |
| { "openmixer", ossopenmixer, METH_VARARGS }, |
| { 0, 0 }, |
| }; |
| |
| |
| #define _EXPORT_INT(mod, name) \ |
| if (PyModule_AddIntConstant(mod, #name, (long) (name)) == -1) return NULL; |
| |
| |
| static char *control_labels[] = SOUND_DEVICE_LABELS; |
| static char *control_names[] = SOUND_DEVICE_NAMES; |
| |
| |
| static int |
| build_namelists (PyObject *module) |
| { |
| PyObject *labels; |
| PyObject *names; |
| PyObject *s; |
| int num_controls; |
| int i; |
| |
| num_controls = Py_ARRAY_LENGTH(control_labels); |
| assert(num_controls == Py_ARRAY_LENGTH(control_names)); |
| |
| labels = PyList_New(num_controls); |
| names = PyList_New(num_controls); |
| if (labels == NULL || names == NULL) |
| goto error2; |
| for (i = 0; i < num_controls; i++) { |
| s = PyUnicode_FromString(control_labels[i]); |
| if (s == NULL) |
| goto error2; |
| PyList_SET_ITEM(labels, i, s); |
| |
| s = PyUnicode_FromString(control_names[i]); |
| if (s == NULL) |
| goto error2; |
| PyList_SET_ITEM(names, i, s); |
| } |
| |
| if (PyModule_AddObject(module, "control_labels", labels) == -1) |
| goto error2; |
| if (PyModule_AddObject(module, "control_names", names) == -1) |
| goto error1; |
| |
| return 0; |
| |
| error2: |
| Py_XDECREF(labels); |
| error1: |
| Py_XDECREF(names); |
| return -1; |
| } |
| |
| |
| static struct PyModuleDef ossaudiodevmodule = { |
| PyModuleDef_HEAD_INIT, |
| "ossaudiodev", |
| NULL, |
| -1, |
| ossaudiodev_methods, |
| NULL, |
| NULL, |
| NULL, |
| NULL |
| }; |
| |
| PyMODINIT_FUNC |
| PyInit_ossaudiodev(void) |
| { |
| PyObject *m; |
| |
| if (PyType_Ready(&OSSAudioType) < 0) |
| return NULL; |
| |
| if (PyType_Ready(&OSSMixerType) < 0) |
| return NULL; |
| |
| m = PyModule_Create(&ossaudiodevmodule); |
| if (m == NULL) |
| return NULL; |
| |
| OSSAudioError = PyErr_NewException("ossaudiodev.OSSAudioError", |
| NULL, NULL); |
| if (OSSAudioError) { |
| /* Each call to PyModule_AddObject decrefs it; compensate: */ |
| Py_INCREF(OSSAudioError); |
| Py_INCREF(OSSAudioError); |
| PyModule_AddObject(m, "error", OSSAudioError); |
| PyModule_AddObject(m, "OSSAudioError", OSSAudioError); |
| } |
| |
| /* Build 'control_labels' and 'control_names' lists and add them |
| to the module. */ |
| if (build_namelists(m) == -1) /* XXX what to do here? */ |
| return NULL; |
| |
| /* Expose the audio format numbers -- essential! */ |
| _EXPORT_INT(m, AFMT_QUERY); |
| _EXPORT_INT(m, AFMT_MU_LAW); |
| _EXPORT_INT(m, AFMT_A_LAW); |
| _EXPORT_INT(m, AFMT_IMA_ADPCM); |
| _EXPORT_INT(m, AFMT_U8); |
| _EXPORT_INT(m, AFMT_S16_LE); |
| _EXPORT_INT(m, AFMT_S16_BE); |
| _EXPORT_INT(m, AFMT_S8); |
| _EXPORT_INT(m, AFMT_U16_LE); |
| _EXPORT_INT(m, AFMT_U16_BE); |
| _EXPORT_INT(m, AFMT_MPEG); |
| #ifdef AFMT_AC3 |
| _EXPORT_INT(m, AFMT_AC3); |
| #endif |
| #ifdef AFMT_S16_NE |
| _EXPORT_INT(m, AFMT_S16_NE); |
| #endif |
| #ifdef AFMT_U16_NE |
| _EXPORT_INT(m, AFMT_U16_NE); |
| #endif |
| #ifdef AFMT_S32_LE |
| _EXPORT_INT(m, AFMT_S32_LE); |
| #endif |
| #ifdef AFMT_S32_BE |
| _EXPORT_INT(m, AFMT_S32_BE); |
| #endif |
| #ifdef AFMT_MPEG |
| _EXPORT_INT(m, AFMT_MPEG); |
| #endif |
| |
| /* Expose the sound mixer device numbers. */ |
| _EXPORT_INT(m, SOUND_MIXER_NRDEVICES); |
| _EXPORT_INT(m, SOUND_MIXER_VOLUME); |
| _EXPORT_INT(m, SOUND_MIXER_BASS); |
| _EXPORT_INT(m, SOUND_MIXER_TREBLE); |
| _EXPORT_INT(m, SOUND_MIXER_SYNTH); |
| _EXPORT_INT(m, SOUND_MIXER_PCM); |
| _EXPORT_INT(m, SOUND_MIXER_SPEAKER); |
| _EXPORT_INT(m, SOUND_MIXER_LINE); |
| _EXPORT_INT(m, SOUND_MIXER_MIC); |
| _EXPORT_INT(m, SOUND_MIXER_CD); |
| _EXPORT_INT(m, SOUND_MIXER_IMIX); |
| _EXPORT_INT(m, SOUND_MIXER_ALTPCM); |
| _EXPORT_INT(m, SOUND_MIXER_RECLEV); |
| _EXPORT_INT(m, SOUND_MIXER_IGAIN); |
| _EXPORT_INT(m, SOUND_MIXER_OGAIN); |
| _EXPORT_INT(m, SOUND_MIXER_LINE1); |
| _EXPORT_INT(m, SOUND_MIXER_LINE2); |
| _EXPORT_INT(m, SOUND_MIXER_LINE3); |
| #ifdef SOUND_MIXER_DIGITAL1 |
| _EXPORT_INT(m, SOUND_MIXER_DIGITAL1); |
| #endif |
| #ifdef SOUND_MIXER_DIGITAL2 |
| _EXPORT_INT(m, SOUND_MIXER_DIGITAL2); |
| #endif |
| #ifdef SOUND_MIXER_DIGITAL3 |
| _EXPORT_INT(m, SOUND_MIXER_DIGITAL3); |
| #endif |
| #ifdef SOUND_MIXER_PHONEIN |
| _EXPORT_INT(m, SOUND_MIXER_PHONEIN); |
| #endif |
| #ifdef SOUND_MIXER_PHONEOUT |
| _EXPORT_INT(m, SOUND_MIXER_PHONEOUT); |
| #endif |
| #ifdef SOUND_MIXER_VIDEO |
| _EXPORT_INT(m, SOUND_MIXER_VIDEO); |
| #endif |
| #ifdef SOUND_MIXER_RADIO |
| _EXPORT_INT(m, SOUND_MIXER_RADIO); |
| #endif |
| #ifdef SOUND_MIXER_MONITOR |
| _EXPORT_INT(m, SOUND_MIXER_MONITOR); |
| #endif |
| |
| /* Expose all the ioctl numbers for masochists who like to do this |
| stuff directly. */ |
| _EXPORT_INT(m, SNDCTL_COPR_HALT); |
| _EXPORT_INT(m, SNDCTL_COPR_LOAD); |
| _EXPORT_INT(m, SNDCTL_COPR_RCODE); |
| _EXPORT_INT(m, SNDCTL_COPR_RCVMSG); |
| _EXPORT_INT(m, SNDCTL_COPR_RDATA); |
| _EXPORT_INT(m, SNDCTL_COPR_RESET); |
| _EXPORT_INT(m, SNDCTL_COPR_RUN); |
| _EXPORT_INT(m, SNDCTL_COPR_SENDMSG); |
| _EXPORT_INT(m, SNDCTL_COPR_WCODE); |
| _EXPORT_INT(m, SNDCTL_COPR_WDATA); |
| #ifdef SNDCTL_DSP_BIND_CHANNEL |
| _EXPORT_INT(m, SNDCTL_DSP_BIND_CHANNEL); |
| #endif |
| _EXPORT_INT(m, SNDCTL_DSP_CHANNELS); |
| _EXPORT_INT(m, SNDCTL_DSP_GETBLKSIZE); |
| _EXPORT_INT(m, SNDCTL_DSP_GETCAPS); |
| #ifdef SNDCTL_DSP_GETCHANNELMASK |
| _EXPORT_INT(m, SNDCTL_DSP_GETCHANNELMASK); |
| #endif |
| _EXPORT_INT(m, SNDCTL_DSP_GETFMTS); |
| _EXPORT_INT(m, SNDCTL_DSP_GETIPTR); |
| _EXPORT_INT(m, SNDCTL_DSP_GETISPACE); |
| #ifdef SNDCTL_DSP_GETODELAY |
| _EXPORT_INT(m, SNDCTL_DSP_GETODELAY); |
| #endif |
| _EXPORT_INT(m, SNDCTL_DSP_GETOPTR); |
| _EXPORT_INT(m, SNDCTL_DSP_GETOSPACE); |
| #ifdef SNDCTL_DSP_GETSPDIF |
| _EXPORT_INT(m, SNDCTL_DSP_GETSPDIF); |
| #endif |
| _EXPORT_INT(m, SNDCTL_DSP_GETTRIGGER); |
| _EXPORT_INT(m, SNDCTL_DSP_MAPINBUF); |
| _EXPORT_INT(m, SNDCTL_DSP_MAPOUTBUF); |
| _EXPORT_INT(m, SNDCTL_DSP_NONBLOCK); |
| _EXPORT_INT(m, SNDCTL_DSP_POST); |
| #ifdef SNDCTL_DSP_PROFILE |
| _EXPORT_INT(m, SNDCTL_DSP_PROFILE); |
| #endif |
| _EXPORT_INT(m, SNDCTL_DSP_RESET); |
| _EXPORT_INT(m, SNDCTL_DSP_SAMPLESIZE); |
| _EXPORT_INT(m, SNDCTL_DSP_SETDUPLEX); |
| _EXPORT_INT(m, SNDCTL_DSP_SETFMT); |
| _EXPORT_INT(m, SNDCTL_DSP_SETFRAGMENT); |
| #ifdef SNDCTL_DSP_SETSPDIF |
| _EXPORT_INT(m, SNDCTL_DSP_SETSPDIF); |
| #endif |
| _EXPORT_INT(m, SNDCTL_DSP_SETSYNCRO); |
| _EXPORT_INT(m, SNDCTL_DSP_SETTRIGGER); |
| _EXPORT_INT(m, SNDCTL_DSP_SPEED); |
| _EXPORT_INT(m, SNDCTL_DSP_STEREO); |
| _EXPORT_INT(m, SNDCTL_DSP_SUBDIVIDE); |
| _EXPORT_INT(m, SNDCTL_DSP_SYNC); |
| _EXPORT_INT(m, SNDCTL_FM_4OP_ENABLE); |
| _EXPORT_INT(m, SNDCTL_FM_LOAD_INSTR); |
| _EXPORT_INT(m, SNDCTL_MIDI_INFO); |
| _EXPORT_INT(m, SNDCTL_MIDI_MPUCMD); |
| _EXPORT_INT(m, SNDCTL_MIDI_MPUMODE); |
| _EXPORT_INT(m, SNDCTL_MIDI_PRETIME); |
| _EXPORT_INT(m, SNDCTL_SEQ_CTRLRATE); |
| _EXPORT_INT(m, SNDCTL_SEQ_GETINCOUNT); |
| _EXPORT_INT(m, SNDCTL_SEQ_GETOUTCOUNT); |
| #ifdef SNDCTL_SEQ_GETTIME |
| _EXPORT_INT(m, SNDCTL_SEQ_GETTIME); |
| #endif |
| _EXPORT_INT(m, SNDCTL_SEQ_NRMIDIS); |
| _EXPORT_INT(m, SNDCTL_SEQ_NRSYNTHS); |
| _EXPORT_INT(m, SNDCTL_SEQ_OUTOFBAND); |
| _EXPORT_INT(m, SNDCTL_SEQ_PANIC); |
| _EXPORT_INT(m, SNDCTL_SEQ_PERCMODE); |
| _EXPORT_INT(m, SNDCTL_SEQ_RESET); |
| _EXPORT_INT(m, SNDCTL_SEQ_RESETSAMPLES); |
| _EXPORT_INT(m, SNDCTL_SEQ_SYNC); |
| _EXPORT_INT(m, SNDCTL_SEQ_TESTMIDI); |
| _EXPORT_INT(m, SNDCTL_SEQ_THRESHOLD); |
| #ifdef SNDCTL_SYNTH_CONTROL |
| _EXPORT_INT(m, SNDCTL_SYNTH_CONTROL); |
| #endif |
| #ifdef SNDCTL_SYNTH_ID |
| _EXPORT_INT(m, SNDCTL_SYNTH_ID); |
| #endif |
| _EXPORT_INT(m, SNDCTL_SYNTH_INFO); |
| _EXPORT_INT(m, SNDCTL_SYNTH_MEMAVL); |
| #ifdef SNDCTL_SYNTH_REMOVESAMPLE |
| _EXPORT_INT(m, SNDCTL_SYNTH_REMOVESAMPLE); |
| #endif |
| _EXPORT_INT(m, SNDCTL_TMR_CONTINUE); |
| _EXPORT_INT(m, SNDCTL_TMR_METRONOME); |
| _EXPORT_INT(m, SNDCTL_TMR_SELECT); |
| _EXPORT_INT(m, SNDCTL_TMR_SOURCE); |
| _EXPORT_INT(m, SNDCTL_TMR_START); |
| _EXPORT_INT(m, SNDCTL_TMR_STOP); |
| _EXPORT_INT(m, SNDCTL_TMR_TEMPO); |
| _EXPORT_INT(m, SNDCTL_TMR_TIMEBASE); |
| return m; |
| } |