mirror of https://github.com/python/cpython
513 lines
12 KiB
C
513 lines
12 KiB
C
/***********************************************************
|
|
Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
|
|
The Netherlands.
|
|
|
|
All Rights Reserved
|
|
|
|
Permission to use, copy, modify, and distribute this software and its
|
|
documentation for any purpose and without fee is hereby granted,
|
|
provided that the above copyright notice appear in all copies and that
|
|
both that copyright notice and this permission notice appear in
|
|
supporting documentation, and that the names of Stichting Mathematisch
|
|
Centrum or CWI or Corporation for National Research Initiatives or
|
|
CNRI not be used in advertising or publicity pertaining to
|
|
distribution of the software without specific, written prior
|
|
permission.
|
|
|
|
While CWI is the initial source for this software, a modified version
|
|
is made available by the Corporation for National Research Initiatives
|
|
(CNRI) at the Internet address ftp://ftp.python.org.
|
|
|
|
STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH
|
|
REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
|
|
MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH
|
|
CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
|
|
DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
|
|
PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
|
|
TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
|
|
PERFORMANCE OF THIS SOFTWARE.
|
|
|
|
******************************************************************/
|
|
|
|
/* Sad objects */
|
|
|
|
#include "Python.h"
|
|
#include "structmember.h"
|
|
|
|
#ifdef HAVE_SYS_AUDIOIO_H
|
|
#define SOLARIS
|
|
#endif
|
|
|
|
#ifdef HAVE_UNISTD_H
|
|
#include <unistd.h>
|
|
#endif
|
|
|
|
#ifdef HAVE_FCNTL_H
|
|
#include <fcntl.h>
|
|
#endif
|
|
|
|
#include <stropts.h>
|
|
#include <sys/ioctl.h>
|
|
#ifdef SOLARIS
|
|
#include <sys/audioio.h>
|
|
#else
|
|
#include <sun/audioio.h>
|
|
#endif
|
|
|
|
/* #define offsetof(str,mem) ((int)(((str *)0)->mem)) */
|
|
|
|
typedef struct {
|
|
PyObject_HEAD
|
|
int x_fd; /* The open file */
|
|
int x_icount; /* # samples read */
|
|
int x_ocount; /* # samples written */
|
|
int x_isctl; /* True if control device */
|
|
|
|
} sadobject;
|
|
|
|
typedef struct {
|
|
PyObject_HEAD
|
|
audio_info_t ai;
|
|
} sadstatusobject;
|
|
|
|
staticforward PyTypeObject Sadtype;
|
|
staticforward PyTypeObject Sadstatustype;
|
|
static sadstatusobject *sads_alloc(); /* Forward */
|
|
|
|
static PyObject *SunAudioError;
|
|
|
|
#define is_sadobject(v) ((v)->ob_type == &Sadtype)
|
|
#define is_sadstatusobject(v) ((v)->ob_type == &Sadstatustype)
|
|
|
|
static sadobject *
|
|
newsadobject(arg)
|
|
PyObject *arg;
|
|
{
|
|
sadobject *xp;
|
|
int fd;
|
|
char *mode;
|
|
int imode;
|
|
|
|
/* Check arg for r/w/rw */
|
|
if (!PyArg_Parse(arg, "s", &mode))
|
|
return NULL;
|
|
if (strcmp(mode, "r") == 0)
|
|
imode = 0;
|
|
else if (strcmp(mode, "w") == 0)
|
|
imode = 1;
|
|
else if (strcmp(mode, "rw") == 0)
|
|
imode = 2;
|
|
else if (strcmp(mode, "control") == 0)
|
|
imode = -1;
|
|
else {
|
|
PyErr_SetString(SunAudioError,
|
|
"Mode should be one of 'r', 'w', 'rw' or 'control'");
|
|
return NULL;
|
|
}
|
|
|
|
/* Open the correct device */
|
|
if (imode < 0)
|
|
/* XXXX Check that this works */
|
|
fd = open("/dev/audioctl", 2);
|
|
else
|
|
fd = open("/dev/audio", imode);
|
|
if (fd < 0) {
|
|
PyErr_SetFromErrno(SunAudioError);
|
|
return NULL;
|
|
}
|
|
|
|
/* Create and initialize the object */
|
|
xp = PyObject_NEW(sadobject, &Sadtype);
|
|
if (xp == NULL) {
|
|
close(fd);
|
|
return NULL;
|
|
}
|
|
xp->x_fd = fd;
|
|
xp->x_icount = xp->x_ocount = 0;
|
|
xp->x_isctl = (imode < 0);
|
|
|
|
return xp;
|
|
}
|
|
|
|
/* Sad methods */
|
|
|
|
static void
|
|
sad_dealloc(xp)
|
|
sadobject *xp;
|
|
{
|
|
close(xp->x_fd);
|
|
PyMem_DEL(xp);
|
|
}
|
|
|
|
static PyObject *
|
|
sad_read(self, args)
|
|
sadobject *self;
|
|
PyObject *args;
|
|
{
|
|
int size, count;
|
|
char *cp;
|
|
PyObject *rv;
|
|
|
|
if (!PyArg_Parse(args, "i", &size))
|
|
return NULL;
|
|
rv = PyString_FromStringAndSize(NULL, size);
|
|
if (rv == NULL)
|
|
return NULL;
|
|
|
|
if (!(cp = PyString_AsString(rv)))
|
|
goto finally;
|
|
|
|
count = read(self->x_fd, cp, size);
|
|
if (count < 0) {
|
|
PyErr_SetFromErrno(SunAudioError);
|
|
goto finally;
|
|
}
|
|
#if 0
|
|
/* TBD: why print this message if you can handle the condition?
|
|
* assume it's debugging info which we can just as well get rid
|
|
* of. in any case this message should *not* be using printf!
|
|
*/
|
|
if (count != size)
|
|
printf("sunaudio: funny read rv %d wtd %d\n", count, size);
|
|
#endif
|
|
self->x_icount += count;
|
|
return rv;
|
|
|
|
finally:
|
|
Py_DECREF(rv);
|
|
return NULL;
|
|
}
|
|
|
|
static PyObject *
|
|
sad_write(self, args)
|
|
sadobject *self;
|
|
PyObject *args;
|
|
{
|
|
char *cp;
|
|
int count, size;
|
|
|
|
if (!PyArg_Parse(args, "s#", &cp, &size))
|
|
return NULL;
|
|
|
|
count = write(self->x_fd, cp, size);
|
|
if (count < 0) {
|
|
PyErr_SetFromErrno(SunAudioError);
|
|
return NULL;
|
|
}
|
|
#if 0
|
|
if (count != size)
|
|
printf("sunaudio: funny write rv %d wanted %d\n", count, size);
|
|
#endif
|
|
self->x_ocount += count;
|
|
|
|
Py_INCREF(Py_None);
|
|
return Py_None;
|
|
}
|
|
|
|
static PyObject *
|
|
sad_getinfo(self, args)
|
|
sadobject *self;
|
|
PyObject *args;
|
|
{
|
|
sadstatusobject *rv;
|
|
|
|
if (!PyArg_Parse(args, ""))
|
|
return NULL;
|
|
if (!(rv = sads_alloc()))
|
|
return NULL;
|
|
|
|
if (ioctl(self->x_fd, AUDIO_GETINFO, &rv->ai) < 0) {
|
|
PyErr_SetFromErrno(SunAudioError);
|
|
Py_DECREF(rv);
|
|
return NULL;
|
|
}
|
|
return (PyObject *)rv;
|
|
}
|
|
|
|
static PyObject *
|
|
sad_setinfo(self, arg)
|
|
sadobject *self;
|
|
sadstatusobject *arg;
|
|
{
|
|
if (!is_sadstatusobject(arg)) {
|
|
PyErr_SetString(PyExc_TypeError,
|
|
"Must be sun audio status object");
|
|
return NULL;
|
|
}
|
|
if (ioctl(self->x_fd, AUDIO_SETINFO, &arg->ai) < 0) {
|
|
PyErr_SetFromErrno(SunAudioError);
|
|
return NULL;
|
|
}
|
|
Py_INCREF(Py_None);
|
|
return Py_None;
|
|
}
|
|
|
|
static PyObject *
|
|
sad_ibufcount(self, args)
|
|
sadobject *self;
|
|
PyObject *args;
|
|
{
|
|
audio_info_t ai;
|
|
|
|
if (!PyArg_Parse(args, ""))
|
|
return NULL;
|
|
if (ioctl(self->x_fd, AUDIO_GETINFO, &ai) < 0) {
|
|
PyErr_SetFromErrno(SunAudioError);
|
|
return NULL;
|
|
}
|
|
return PyInt_FromLong(ai.record.samples - self->x_icount);
|
|
}
|
|
|
|
static PyObject *
|
|
sad_obufcount(self, args)
|
|
sadobject *self;
|
|
PyObject *args;
|
|
{
|
|
audio_info_t ai;
|
|
|
|
if (!PyArg_Parse(args, ""))
|
|
return NULL;
|
|
if (ioctl(self->x_fd, AUDIO_GETINFO, &ai) < 0) {
|
|
PyErr_SetFromErrno(SunAudioError);
|
|
return NULL;
|
|
}
|
|
return PyInt_FromLong(self->x_ocount - ai.play.samples);
|
|
}
|
|
|
|
static PyObject *
|
|
sad_drain(self, args)
|
|
sadobject *self;
|
|
PyObject *args;
|
|
{
|
|
|
|
if (!PyArg_Parse(args, ""))
|
|
return NULL;
|
|
if (ioctl(self->x_fd, AUDIO_DRAIN, 0) < 0) {
|
|
PyErr_SetFromErrno(SunAudioError);
|
|
return NULL;
|
|
}
|
|
Py_INCREF(Py_None);
|
|
return Py_None;
|
|
}
|
|
|
|
#ifdef SOLARIS
|
|
static PyObject *
|
|
sad_getdev(self, args)
|
|
sadobject *self;
|
|
PyObject *args;
|
|
{
|
|
struct audio_device ad;
|
|
|
|
if (!PyArg_Parse(args, ""))
|
|
return NULL;
|
|
if (ioctl(self->x_fd, AUDIO_GETDEV, &ad) < 0) {
|
|
PyErr_SetFromErrno(SunAudioError);
|
|
return NULL;
|
|
}
|
|
return Py_BuildValue("(sss)", ad.name, ad.version, ad.config);
|
|
}
|
|
#endif
|
|
|
|
static PyObject *
|
|
sad_flush(self, args)
|
|
sadobject *self;
|
|
PyObject *args;
|
|
{
|
|
|
|
if (!PyArg_Parse(args, ""))
|
|
return NULL;
|
|
if (ioctl(self->x_fd, I_FLUSH, FLUSHW) < 0) {
|
|
PyErr_SetFromErrno(SunAudioError);
|
|
return NULL;
|
|
}
|
|
Py_INCREF(Py_None);
|
|
return Py_None;
|
|
}
|
|
|
|
static PyObject *
|
|
sad_close(self, args)
|
|
sadobject *self;
|
|
PyObject *args;
|
|
{
|
|
|
|
if (!PyArg_Parse(args, ""))
|
|
return NULL;
|
|
if (self->x_fd >= 0) {
|
|
close(self->x_fd);
|
|
self->x_fd = -1;
|
|
}
|
|
Py_INCREF(Py_None);
|
|
return Py_None;
|
|
}
|
|
|
|
static PyMethodDef sad_methods[] = {
|
|
{ "read", (PyCFunction)sad_read },
|
|
{ "write", (PyCFunction)sad_write },
|
|
{ "ibufcount", (PyCFunction)sad_ibufcount },
|
|
{ "obufcount", (PyCFunction)sad_obufcount },
|
|
#define CTL_METHODS 4
|
|
{ "getinfo", (PyCFunction)sad_getinfo },
|
|
{ "setinfo", (PyCFunction)sad_setinfo },
|
|
{ "drain", (PyCFunction)sad_drain },
|
|
{ "flush", (PyCFunction)sad_flush },
|
|
#ifdef SOLARIS
|
|
{ "getdev", (PyCFunction)sad_getdev },
|
|
#endif
|
|
{ "close", (PyCFunction)sad_close },
|
|
{NULL, NULL} /* sentinel */
|
|
};
|
|
|
|
static PyObject *
|
|
sad_getattr(xp, name)
|
|
sadobject *xp;
|
|
char *name;
|
|
{
|
|
if (xp->x_isctl)
|
|
return Py_FindMethod(sad_methods+CTL_METHODS,
|
|
(PyObject *)xp, name);
|
|
else
|
|
return Py_FindMethod(sad_methods, (PyObject *)xp, name);
|
|
}
|
|
|
|
/* ----------------------------------------------------------------- */
|
|
|
|
static sadstatusobject *
|
|
sads_alloc() {
|
|
return PyObject_NEW(sadstatusobject, &Sadstatustype);
|
|
}
|
|
|
|
static void
|
|
sads_dealloc(xp)
|
|
sadstatusobject *xp;
|
|
{
|
|
PyMem_DEL(xp);
|
|
}
|
|
|
|
#define OFF(x) offsetof(audio_info_t,x)
|
|
static struct memberlist sads_ml[] = {
|
|
{ "i_sample_rate", T_UINT, OFF(record.sample_rate) },
|
|
{ "i_channels", T_UINT, OFF(record.channels) },
|
|
{ "i_precision", T_UINT, OFF(record.precision) },
|
|
{ "i_encoding", T_UINT, OFF(record.encoding) },
|
|
{ "i_gain", T_UINT, OFF(record.gain) },
|
|
{ "i_port", T_UINT, OFF(record.port) },
|
|
{ "i_samples", T_UINT, OFF(record.samples) },
|
|
{ "i_eof", T_UINT, OFF(record.eof) },
|
|
{ "i_pause", T_UBYTE, OFF(record.pause) },
|
|
{ "i_error", T_UBYTE, OFF(record.error) },
|
|
{ "i_waiting", T_UBYTE, OFF(record.waiting) },
|
|
{ "i_open", T_UBYTE, OFF(record.open) , RO},
|
|
{ "i_active", T_UBYTE, OFF(record.active) , RO},
|
|
#ifdef SOLARIS
|
|
{ "i_buffer_size", T_UINT, OFF(record.buffer_size) },
|
|
{ "i_balance", T_UBYTE, OFF(record.balance) },
|
|
{ "i_avail_ports", T_UINT, OFF(record.avail_ports) },
|
|
#endif
|
|
|
|
{ "o_sample_rate", T_UINT, OFF(play.sample_rate) },
|
|
{ "o_channels", T_UINT, OFF(play.channels) },
|
|
{ "o_precision", T_UINT, OFF(play.precision) },
|
|
{ "o_encoding", T_UINT, OFF(play.encoding) },
|
|
{ "o_gain", T_UINT, OFF(play.gain) },
|
|
{ "o_port", T_UINT, OFF(play.port) },
|
|
{ "o_samples", T_UINT, OFF(play.samples) },
|
|
{ "o_eof", T_UINT, OFF(play.eof) },
|
|
{ "o_pause", T_UBYTE, OFF(play.pause) },
|
|
{ "o_error", T_UBYTE, OFF(play.error) },
|
|
{ "o_waiting", T_UBYTE, OFF(play.waiting) },
|
|
{ "o_open", T_UBYTE, OFF(play.open) , RO},
|
|
{ "o_active", T_UBYTE, OFF(play.active) , RO},
|
|
#ifdef SOLARIS
|
|
{ "o_buffer_size", T_UINT, OFF(play.buffer_size) },
|
|
{ "o_balance", T_UBYTE, OFF(play.balance) },
|
|
{ "o_avail_ports", T_UINT, OFF(play.avail_ports) },
|
|
#endif
|
|
|
|
{ "monitor_gain", T_UINT, OFF(monitor_gain) },
|
|
{ NULL, 0, 0},
|
|
};
|
|
|
|
static PyObject *
|
|
sads_getattr(xp, name)
|
|
sadstatusobject *xp;
|
|
char *name;
|
|
{
|
|
return PyMember_Get((char *)&xp->ai, sads_ml, name);
|
|
}
|
|
|
|
static int
|
|
sads_setattr(xp, name, v)
|
|
sadstatusobject *xp;
|
|
char *name;
|
|
PyObject *v;
|
|
{
|
|
|
|
if (v == NULL) {
|
|
PyErr_SetString(PyExc_TypeError,
|
|
"can't delete sun audio status attributes");
|
|
return -1;
|
|
}
|
|
return PyMember_Set((char *)&xp->ai, sads_ml, name, v);
|
|
}
|
|
|
|
/* ------------------------------------------------------------------- */
|
|
|
|
|
|
static PyTypeObject Sadtype = {
|
|
PyObject_HEAD_INIT(&PyType_Type)
|
|
0, /*ob_size*/
|
|
"sun_audio_device", /*tp_name*/
|
|
sizeof(sadobject), /*tp_size*/
|
|
0, /*tp_itemsize*/
|
|
/* methods */
|
|
(destructor)sad_dealloc, /*tp_dealloc*/
|
|
0, /*tp_print*/
|
|
(getattrfunc)sad_getattr, /*tp_getattr*/
|
|
0, /*tp_setattr*/
|
|
0, /*tp_compare*/
|
|
0, /*tp_repr*/
|
|
};
|
|
|
|
static PyTypeObject Sadstatustype = {
|
|
PyObject_HEAD_INIT(&PyType_Type)
|
|
0, /*ob_size*/
|
|
"sun_audio_device_status", /*tp_name*/
|
|
sizeof(sadstatusobject), /*tp_size*/
|
|
0, /*tp_itemsize*/
|
|
/* methods */
|
|
(destructor)sads_dealloc, /*tp_dealloc*/
|
|
0, /*tp_print*/
|
|
(getattrfunc)sads_getattr, /*tp_getattr*/
|
|
(setattrfunc)sads_setattr, /*tp_setattr*/
|
|
0, /*tp_compare*/
|
|
0, /*tp_repr*/
|
|
};
|
|
/* ------------------------------------------------------------------- */
|
|
|
|
static PyObject *
|
|
sadopen(self, args)
|
|
PyObject *self;
|
|
PyObject *args;
|
|
{
|
|
return (PyObject *)newsadobject(args);
|
|
}
|
|
|
|
static PyMethodDef sunaudiodev_methods[] = {
|
|
{ "open", sadopen },
|
|
{ 0, 0 },
|
|
};
|
|
|
|
void
|
|
initsunaudiodev()
|
|
{
|
|
PyObject *m, *d;
|
|
|
|
m = Py_InitModule("sunaudiodev", sunaudiodev_methods);
|
|
d = PyModule_GetDict(m);
|
|
SunAudioError = PyString_FromString("sunaudiodev.error");
|
|
if (SunAudioError)
|
|
PyDict_SetItemString(d, "error", SunAudioError);
|
|
if (PyErr_Occurred())
|
|
Py_FatalError("can't initialize sunaudiodev module");
|
|
}
|