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Added new audio library functionality (getstatus, float sample fmts)

This commit is contained in:
Jack Jansen 1993-02-10 14:10:56 +00:00
parent 38a22baea9
commit e8a3c28f8d
3 changed files with 172 additions and 4 deletions
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24
Lib/irix5/AL.py
View File

@ -6,6 +6,10 @@ RATE_16000 = 16000
RATE_11025 = 11025
RATE_8000 = 8000
SAMPFMT_TWOSCOMP= 1
SAMPFMT_FLOAT = 32
SAMPFMT_DOUBLE = 64
SAMPLE_8 = 1
SAMPLE_16 = 2
# SAMPLE_24 is the low 24 bits of a long, sign extended to 32 bits
@ -18,8 +22,21 @@ INPUT_LINE = 0
INPUT_MIC = 1
INPUT_DIGITAL = 2
HOLD, RELEASE = 0, 1
ATTAIL, ATHEAD, ATMARK, ATTIME = 0, 1, 2, 3
MONITOR_OFF = 0
MONITOR_ON = 1
ERROR_NUMBER = 0
ERROR_TYPE = 1
ERROR_LOCATION_LSP = 2
ERROR_LOCATION_MSP = 3
ERROR_LENGTH = 4
ERROR_INPUT_UNDERFLOW = 0
ERROR_OUTPUT_OVERFLOW = 1
# These seem to be not supported anymore:
##HOLD, RELEASE = 0, 1
##ATTAIL, ATHEAD, ATMARK, ATTIME = 0, 1, 2, 3
DEFAULT_DEVICE = 1
@ -35,6 +52,9 @@ OUTPUT_COUNT = 8
UNUSED_COUNT = 9
SYNC_INPUT_TO_AES = 10
SYNC_OUTPUT_TO_AES = 11
MONITOR_CTL = 12
LEFT_MONITOR_ATTEN = 13
RIGHT_MONITOR_ATTEN = 14
ENUM_VALUE = 0 # only certain values are valid
RANGE_VALUE = 1 # any value in range is valid

24
Lib/plat-irix5/AL.py
View File

@ -6,6 +6,10 @@ RATE_16000 = 16000
RATE_11025 = 11025
RATE_8000 = 8000
SAMPFMT_TWOSCOMP= 1
SAMPFMT_FLOAT = 32
SAMPFMT_DOUBLE = 64
SAMPLE_8 = 1
SAMPLE_16 = 2
# SAMPLE_24 is the low 24 bits of a long, sign extended to 32 bits
@ -18,8 +22,21 @@ INPUT_LINE = 0
INPUT_MIC = 1
INPUT_DIGITAL = 2
HOLD, RELEASE = 0, 1
ATTAIL, ATHEAD, ATMARK, ATTIME = 0, 1, 2, 3
MONITOR_OFF = 0
MONITOR_ON = 1
ERROR_NUMBER = 0
ERROR_TYPE = 1
ERROR_LOCATION_LSP = 2
ERROR_LOCATION_MSP = 3
ERROR_LENGTH = 4
ERROR_INPUT_UNDERFLOW = 0
ERROR_OUTPUT_OVERFLOW = 1
# These seem to be not supported anymore:
##HOLD, RELEASE = 0, 1
##ATTAIL, ATHEAD, ATMARK, ATTIME = 0, 1, 2, 3
DEFAULT_DEVICE = 1
@ -35,6 +52,9 @@ OUTPUT_COUNT = 8
UNUSED_COUNT = 9
SYNC_INPUT_TO_AES = 10
SYNC_OUTPUT_TO_AES = 11
MONITOR_CTL = 12
LEFT_MONITOR_ATTEN = 13
RIGHT_MONITOR_ATTEN = 14
ENUM_VALUE = 0 # only certain values are valid
RANGE_VALUE = 1 # any value in range is valid

128
Modules/almodule.c
View File

@ -26,6 +26,16 @@ OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#include "audio.h"
/* Check which version audio library we have: */
#ifdef AL_ERROR_NUMBER
#define AL_405
/* XXXX 4.0.5 libaudio also allows us to provide better error
** handling (with ALseterrorhandler). We should implement that
** sometime.
*/
#endif
#include "allobjects.h"
#include "import.h"
#include "modsupport.h"
@ -127,6 +137,52 @@ al_setchannels (self, args)
return (setConfig (self, args, ALsetchannels));
}
#ifdef AL_405
static object *
al_getsampfmt (self, args)
configobject *self;
object *args;
{
return (getConfig (self, args, ALgetsampfmt));
}
static object *
al_setsampfmt (self, args)
configobject *self;
object *args;
{
return (setConfig (self, args, ALsetsampfmt));
}
static object *
al_getfloatmax(self, args)
configobject *self;
object *args;
{
double arg;
if ( !getnoarg(args) )
return 0;
arg = ALgetfloatmax(self->ob_config);
return newfloatobject(arg);
}
static object *
al_setfloatmax(self, args)
configobject *self;
object *args;
{
double arg;
if ( !getargs(args, "d", &arg) )
return 0;
ALsetfloatmax(self->ob_config, arg);
INCREF(None);
return None;
}
#endif /* AL_405 */
static struct methodlist config_methods[] = {
{"getqueuesize", al_getqueuesize},
{"setqueuesize", al_setqueuesize},
@ -134,6 +190,12 @@ static struct methodlist config_methods[] = {
{"setwidth", al_setwidth},
{"getchannels", al_getchannels},
{"setchannels", al_setchannels},
#ifdef AL_405
{"getsampfmt", al_getsampfmt},
{"setsampfmt", al_setsampfmt},
{"getfloatmax", al_getfloatmax},
{"setfloatmax", al_setfloatmax},
#endif /* AL_405 */
{NULL, NULL} /* sentinel */
};
@ -270,7 +332,17 @@ al_readsamps (self, args)
}
c = ALgetconfig(self->ob_port);
#ifdef AL_405
width = ALgetsampfmt(c);
if ( width == AL_SAMPFMT_FLOAT )
width = sizeof(float);
else if ( width == AL_SAMPFMT_DOUBLE )
width = sizeof(double);
else
width = ALgetwidth(c);
#else
width = ALgetwidth(c);
#endif /* AL_405 */
ALfreeconfig(c);
v = newsizedstringobject ((char *)NULL, width * count);
if (v == NULL) return NULL;
@ -295,7 +367,17 @@ al_writesamps (self, args)
if (!getargs (args, "s#", &buf, &size)) return NULL;
c = ALgetconfig(self->ob_port);
#ifdef AL_405
width = ALgetsampfmt(c);
if ( width == AL_SAMPFMT_FLOAT )
width = sizeof(float);
else if ( width == AL_SAMPFMT_DOUBLE )
width = sizeof(double);
else
width = ALgetwidth(c);
#else
width = ALgetwidth(c);
#endif /* AL_405 */
ALfreeconfig(c);
BGN_SAVE
ALwritesamps (self-> ob_port, (void *) buf, (long) size / width);
@ -363,6 +445,49 @@ al_getconfig (self, args)
return newconfigobject (config);
}
#ifdef AL_405
static object *
al_getstatus (self, args)
portobject *self;
object *args;
{
object *list, *v;
long *PVbuffer;
long length;
int i;
if (!getargs(args, "O", &list))
return NULL;
if (!is_listobject(list)) {
err_badarg();
return NULL;
}
length = getlistsize(list);
PVbuffer = NEW(long, length);
if (PVbuffer == NULL)
return err_nomem();
for (i = 0; i < length; i++) {
v = getlistitem(list, i);
if (!is_intobject(v)) {
DEL(PVbuffer);
err_badarg();
return NULL;
}
PVbuffer[i] = getintvalue(v);
}
ALgetstatus(self->ob_port, PVbuffer, length);
for (i = 0; i < length; i++)
setlistitem(list, i, newintobject(PVbuffer[i]));
DEL(PVbuffer);
INCREF(None);
return None;
}
#endif /* AL_405 */
static struct methodlist port_methods[] = {
{"closeport", al_closeport},
{"getfd", al_getfd},
@ -375,6 +500,9 @@ static struct methodlist port_methods[] = {
{"getfillpoint", al_getfillpoint},
{"setconfig", al_setconfig},
{"getconfig", al_getconfig},
#ifdef AL_405
{"getstatus", al_getstatus},
#endif /* AL_405 */
{NULL, NULL} /* sentinel */
};