static PyObject *Snd_SPBCloseDevice(PyObject *_self, PyObject *_args)
{
PyObject *_res = NULL;
OSErr _err;
long inRefNum;
if (!PyArg_ParseTuple(_args, "l",
&inRefNum))
return NULL;
_err = SPBCloseDevice(inRefNum);
if (_err != noErr) return PyMac_Error(_err);
Py_INCREF(Py_None);
_res = Py_None;
return _res;
}
int audio_close(snd_node *n)
{
buffer_state *data = (buffer_state *)n->u.audio.descriptor;
OSErr err;
if (data->recording) {
SPBStopRecording(data->refnum);
SPBCloseDevice(data->refnum);
if (data->starved) {
data->starved = 0;
}
#ifndef TARGET_CARBON
DisposeRoutineDescriptor(data->params.interruptRoutine);
#endif
free((void *)data->recBuffer);
}
else {
data->finished = 1;
SndCallBackUPP callBack = data->chan->callBack;
err = SndDisposeChannel(data->chan,
true // quiets the channel now
);
#ifndef TARGET_CARBON
DisposeRoutineDescriptor(callBack);
#endif
free((void *)data->buffer);
free((void *)data->nextBuffer);
}
free((void *)data);
return SND_SUCCESS;
}
/*************************************************************************
** TestSettingDeviceInfo()
** Query information about a named input device.
*/
static int TestSettingDeviceInfo( const unsigned char *deviceName )
{
OSErr err;
long mRefNum = 0;
long tempL;
short tempS;
Fixed tempF;
err = SPBOpenDevice( deviceName, siWritePermission, &mRefNum);
if (err)
{
PRINT(("Cound not open device!\n"));
return -1;
}
/* Define macros for printing out device info. */
#define PrintDeviceInfo(selector,var) \
err = SPBGetDeviceInfo(mRefNum, selector, (Ptr) &var); \
if (err) { \
PRINT(("query %s failed\n", #selector )); \
}\
else { \
PRINT(("query %s = 0x%x\n", #selector, var )); \
}
PrintDeviceInfo( siContinuous, tempS );
PrintDeviceInfo( siAsync, tempS );
PrintDeviceInfo( siNumberChannels, tempS );
PrintDeviceInfo( siSampleSize, tempS );
PrintDeviceInfo( siSampleRate, tempF );
PrintDeviceInfo( siChannelAvailable, tempS );
PrintDeviceInfo( siActiveChannels, tempL );
PrintDeviceInfo( siDeviceBufferInfo, tempL );
#if USE_POINTER
/* Continuous Mode ---------- */
PRINT(("Attempt to set siContinuous to 1 using pointer method.\n"));
tempS = 1;
err = SPBSetDeviceInfo(mRefNum, siContinuous, (Ptr) &tempS);
if (err) PRINT(("setting siContinuous using pointer failed\n"));
PrintDeviceInfo( siContinuous, tempS );
PRINT(("Attempt to set siContinuous to 0 using pointer method.\n"));
tempS = 1;
err = SPBSetDeviceInfo(mRefNum, siContinuous, (Ptr) &tempS);
if (err) PRINT(("setting siContinuous using pointer failed\n"));
PrintDeviceInfo( siContinuous, tempS );
#else
PRINT(("Attempt to set siContinuous to 1 using direct method.\n"));
err = SPBSetDeviceInfo(mRefNum, siContinuous, (Ptr) 1);
if (err) PRINT(("setting siContinuous using direct failed\n"));
PrintDeviceInfo( siContinuous, tempS );
PRINT(("Attempt to set siContinuous to 0 using direct method.\n"));
err = SPBSetDeviceInfo(mRefNum, siContinuous, (Ptr) 0);
if (err) PRINT(("setting siContinuous using direct failed\n"));
PrintDeviceInfo( siContinuous, tempS );
#endif
/* Sample rate ----------- */
#if USE_POINTER
PRINT(("Attempt to set siSampleRate to 44100 using pointer method.\n"));
tempF = ((unsigned long)44100) << 16;
err = SPBSetDeviceInfo(mRefNum, siSampleRate, (Ptr) &tempF);
if (err) PRINT(("setting siSampleRate using pointer failed\n"));
tempF = 0;
PrintDeviceInfo( siSampleRate, tempF );
PRINT(("Attempt to set siSampleRate to 22050 using pointer method.\n"));
tempF = ((unsigned long)22050) << 16;
err = SPBSetDeviceInfo(mRefNum, siSampleRate, (Ptr) &tempF);
if (err) PRINT(("setting siSampleRate using pointer failed\n"));
tempF = 0;
PrintDeviceInfo( siSampleRate, tempF );
#else
PRINT(("Attempt to set siSampleRate to 44100 using direct method.\n"));
err = SPBSetDeviceInfo(mRefNum, siSampleRate, (Ptr) (((unsigned long)44100) << 16));
if (err) PRINT(("setting siSampleRate using direct failed\n"));
PrintDeviceInfo( siSampleRate, tempF );
PRINT(("Attempt to set siSampleRate to 22050 using direct method.\n"));
err = SPBSetDeviceInfo(mRefNum, siSampleRate, (Ptr) (((unsigned long)44100) << 16));
if (err) PRINT(("setting siSampleRate using direct failed\n"));
PrintDeviceInfo( siSampleRate, tempF );
#endif
/* All done so close up device. */
if( mRefNum ) SPBCloseDevice(mRefNum);
return 0;
error:
if( mRefNum ) SPBCloseDevice(mRefNum);
return -1;
}
