409 lines
9.3 KiB
C
409 lines
9.3 KiB
C
/***********************************************************
|
|
Copyright 1991, 1992 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 not be used in advertising or publicity pertaining to
|
|
distribution of the software without specific, written prior permission.
|
|
|
|
STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
|
|
THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
|
|
FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM 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 "allobjects.h"
|
|
#include "modsupport.h"
|
|
#include "structmember.h"
|
|
|
|
#include <sys/ioctl.h>
|
|
#include <sun/audioio.h>
|
|
|
|
/* #define offsetof(str,mem) ((int)(((str *)0)->mem)) */
|
|
|
|
typedef struct {
|
|
OB_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 {
|
|
OB_HEAD
|
|
audio_info_t ai;
|
|
} sadstatusobject;
|
|
|
|
extern typeobject Sadtype; /* Really static, forward */
|
|
extern typeobject Sadstatustype; /* Really static, forward */
|
|
extern sadstatusobject *sads_alloc(); /* Forward */
|
|
|
|
static object *SunAudioError;
|
|
|
|
static int dummy_for_dl;
|
|
|
|
#define is_sadobject(v) ((v)->ob_type == &Sadtype)
|
|
#define is_sadstatusobject(v) ((v)->ob_type == &Sadstatustype)
|
|
|
|
static sadobject *
|
|
newsadobject(arg)
|
|
object *arg;
|
|
{
|
|
sadobject *xp;
|
|
int fd;
|
|
char *mode;
|
|
int imode;
|
|
|
|
/* Check arg for r/w/rw */
|
|
if ( !getargs(arg, "s", &mode) )
|
|
return 0;
|
|
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 {
|
|
err_setstr(SunAudioError,
|
|
"Mode should be one of 'r', 'w', 'rw' or 'control'");
|
|
return 0;
|
|
}
|
|
|
|
/* Open the correct device */
|
|
if ( imode < 0 )
|
|
fd = open("/dev/audioctl", 2); /* XXXX Chaeck that this works */
|
|
else
|
|
fd = open("/dev/audio", imode);
|
|
if ( fd < 0 ) {
|
|
err_errno(SunAudioError);
|
|
return NULL;
|
|
}
|
|
|
|
/* Create and initialize the object */
|
|
xp = NEWOBJ(sadobject, &Sadtype);
|
|
if (xp == NULL)
|
|
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);
|
|
DEL(xp);
|
|
}
|
|
|
|
static object *
|
|
sad_read(self, args)
|
|
sadobject *self;
|
|
object *args;
|
|
{
|
|
int size, count;
|
|
char *cp;
|
|
object *rv;
|
|
|
|
if ( !getargs(args, "i", &size) )
|
|
return 0;
|
|
rv = newsizedstringobject(NULL, size);
|
|
if ( rv == NULL )
|
|
return 0;
|
|
|
|
cp = getstringvalue(rv);
|
|
|
|
count = read(self->x_fd, cp, size);
|
|
if ( count < 0 ) {
|
|
DECREF(rv);
|
|
err_errno(SunAudioError);
|
|
return NULL;
|
|
}
|
|
if ( count != size )
|
|
printf("sunaudio: funny read rv %d wtd %d\n", count, size);
|
|
self->x_icount += count;
|
|
return rv;
|
|
}
|
|
|
|
static object *
|
|
sad_write(self, args)
|
|
sadobject *self;
|
|
object *args;
|
|
{
|
|
char *cp;
|
|
int count, size;
|
|
|
|
if ( !getargs(args, "s#", &cp, &size) )
|
|
return 0;
|
|
|
|
count = write(self->x_fd, cp, size);
|
|
if ( count < 0 ) {
|
|
err_errno(SunAudioError);
|
|
return NULL;
|
|
}
|
|
if ( count != size )
|
|
printf("sunaudio: funny write rv %d wanted %d\n", count, size);
|
|
self->x_ocount += count;
|
|
|
|
INCREF(None);
|
|
return None;
|
|
}
|
|
|
|
static object *
|
|
sad_getinfo(self, args)
|
|
sadobject *self;
|
|
object *args;
|
|
{
|
|
sadstatusobject *rv;
|
|
|
|
if ( !getargs(args, "") )
|
|
return NULL;
|
|
rv = sads_alloc();
|
|
if ( ioctl(self->x_fd, AUDIO_GETINFO, &rv->ai) < 0 ) {
|
|
err_errno(SunAudioError);
|
|
DECREF(rv);
|
|
return NULL;
|
|
}
|
|
return (object *)rv;
|
|
}
|
|
|
|
static object *
|
|
sad_setinfo(self, arg)
|
|
sadobject *self;
|
|
sadstatusobject *arg;
|
|
{
|
|
if ( !is_sadstatusobject(arg) ) {
|
|
err_setstr(TypeError, "Must be sun audio status object");
|
|
return NULL;
|
|
}
|
|
if ( ioctl(self->x_fd, AUDIO_SETINFO, &arg->ai) < 0 ) {
|
|
err_errno(SunAudioError);
|
|
return NULL;
|
|
}
|
|
INCREF(None);
|
|
return None;
|
|
}
|
|
|
|
static object *
|
|
sad_ibufcount(self, args)
|
|
sadobject *self;
|
|
object *args;
|
|
{
|
|
audio_info_t ai;
|
|
object *rv;
|
|
|
|
if ( !getargs(args, "") )
|
|
return 0;
|
|
if ( ioctl(self->x_fd, AUDIO_GETINFO, &ai) < 0 ) {
|
|
err_errno(SunAudioError);
|
|
return NULL;
|
|
}
|
|
rv = newintobject(ai.record.samples - self->x_icount);
|
|
return rv;
|
|
}
|
|
|
|
static object *
|
|
sad_obufcount(self, args)
|
|
sadobject *self;
|
|
object *args;
|
|
{
|
|
audio_info_t ai;
|
|
object *rv;
|
|
|
|
if ( !getargs(args, "") )
|
|
return 0;
|
|
if ( ioctl(self->x_fd, AUDIO_GETINFO, &ai) < 0 ) {
|
|
err_errno(SunAudioError);
|
|
return NULL;
|
|
}
|
|
rv = newintobject(self->x_ocount - ai.play.samples);
|
|
return rv;
|
|
}
|
|
|
|
static object *
|
|
sad_drain(self, args)
|
|
sadobject *self;
|
|
object *args;
|
|
{
|
|
|
|
if ( !getargs(args, "") )
|
|
return 0;
|
|
if ( ioctl(self->x_fd, AUDIO_DRAIN, 0) < 0 ) {
|
|
err_errno(SunAudioError);
|
|
return NULL;
|
|
}
|
|
INCREF(None);
|
|
return None;
|
|
}
|
|
|
|
static struct methodlist sad_methods[] = {
|
|
{ "read", sad_read },
|
|
{ "write", sad_write },
|
|
{ "ibufcount", sad_ibufcount },
|
|
{ "obufcount", sad_obufcount },
|
|
#define CTL_METHODS 4
|
|
{ "getinfo", sad_getinfo },
|
|
{ "setinfo", sad_setinfo },
|
|
{ "drain", sad_drain },
|
|
{NULL, NULL} /* sentinel */
|
|
};
|
|
|
|
static object *
|
|
sad_getattr(xp, name)
|
|
sadobject *xp;
|
|
char *name;
|
|
{
|
|
if ( xp->x_isctl )
|
|
return findmethod(sad_methods+CTL_METHODS, (object *)xp, name);
|
|
else
|
|
return findmethod(sad_methods, (object *)xp, name);
|
|
}
|
|
|
|
/* ----------------------------------------------------------------- */
|
|
|
|
static sadstatusobject *
|
|
sads_alloc() {
|
|
sadstatusobject *rv;
|
|
|
|
rv = NEWOBJ(sadstatusobject, &Sadstatustype);
|
|
return rv;
|
|
}
|
|
|
|
static void
|
|
sads_dealloc(xp)
|
|
sadstatusobject *xp;
|
|
{
|
|
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},
|
|
|
|
{ "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},
|
|
|
|
{ "monitor_gain", T_UINT, OFF(monitor_gain) },
|
|
{ NULL, 0, 0},
|
|
};
|
|
|
|
static object *
|
|
sads_getattr(xp, name)
|
|
sadstatusobject *xp;
|
|
char *name;
|
|
{
|
|
return getmember((char *)&xp->ai, sads_ml, name);
|
|
}
|
|
|
|
static int
|
|
sads_setattr(xp, name, v)
|
|
sadstatusobject *xp;
|
|
char *name;
|
|
object *v;
|
|
{
|
|
return setmember((char *)&xp->ai, sads_ml, name, v);
|
|
}
|
|
|
|
/* ------------------------------------------------------------------- */
|
|
|
|
|
|
static typeobject Sadtype = {
|
|
OB_HEAD_INIT(&Typetype)
|
|
0, /*ob_size*/
|
|
"sun_audio_device", /*tp_name*/
|
|
sizeof(sadobject), /*tp_size*/
|
|
0, /*tp_itemsize*/
|
|
/* methods */
|
|
sad_dealloc, /*tp_dealloc*/
|
|
0, /*tp_print*/
|
|
sad_getattr, /*tp_getattr*/
|
|
0, /*tp_setattr*/
|
|
0, /*tp_compare*/
|
|
0, /*tp_repr*/
|
|
};
|
|
|
|
static typeobject Sadstatustype = {
|
|
OB_HEAD_INIT(&Typetype)
|
|
0, /*ob_size*/
|
|
"sun_audio_device_status", /*tp_name*/
|
|
sizeof(sadstatusobject), /*tp_size*/
|
|
0, /*tp_itemsize*/
|
|
/* methods */
|
|
sads_dealloc, /*tp_dealloc*/
|
|
0, /*tp_print*/
|
|
sads_getattr, /*tp_getattr*/
|
|
sads_setattr, /*tp_setattr*/
|
|
0, /*tp_compare*/
|
|
0, /*tp_repr*/
|
|
};
|
|
/* ------------------------------------------------------------------- */
|
|
|
|
static object *
|
|
sadopen(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
object *rv;
|
|
|
|
rv = (object *)newsadobject(args);
|
|
return rv;
|
|
}
|
|
|
|
static struct methodlist sunaudiodev_methods[] = {
|
|
{ "open", sadopen },
|
|
{ 0, 0 },
|
|
};
|
|
|
|
void
|
|
initsunaudiodev() {
|
|
object *m, *d;
|
|
|
|
m = initmodule("sunaudiodev", sunaudiodev_methods);
|
|
d = getmoduledict(m);
|
|
SunAudioError = newstringobject("sunaudiodev.error");
|
|
if ( SunAudioError == NULL || dictinsert(d, "error", SunAudioError) )
|
|
fatal("can't define sunaudiodev.error");
|
|
}
|