PaError PaHost_CloseStream( internalPortAudioStream *past )
{
PaHostSoundControl *pahsc;
if( past == NULL ) return paBadStreamPtr;
pahsc = (PaHostSoundControl *) past->past_DeviceData;
if( pahsc == NULL ) return paNoError;
if( pahsc->pahsc_OutputHandle != BAD_DEVICE_ID )
{
int err = 0;
DBUG(("PaHost_CloseStream: attempt to close output device handle = %d\n",
pahsc->pahsc_OutputHandle ));
Pa_FlushStream(pahsc->pahsc_OutputHandle);
err = close(pahsc->pahsc_OutputHandle);
if( err < 0 )
{
ERR_RPT(("PaHost_CloseStream: warning, closing output device failed.\n"));
}
}
if( (pahsc->pahsc_InputHandle != BAD_DEVICE_ID) &&
(pahsc->pahsc_InputHandle != pahsc->pahsc_OutputHandle) )
{
int err = 0;
DBUG(("PaHost_CloseStream: attempt to close input device handle = %d\n",
pahsc->pahsc_InputHandle ));
Pa_FlushStream(pahsc->pahsc_InputHandle);
err = close(pahsc->pahsc_InputHandle);
if( err < 0 )
{
ERR_RPT(("PaHost_CloseStream: warning, closing input device failed.\n"));
}
}
pahsc->pahsc_OutputHandle = BAD_DEVICE_ID;
pahsc->pahsc_InputHandle = BAD_DEVICE_ID;
if( pahsc->pahsc_NativeInputBuffer )
{
free( pahsc->pahsc_NativeInputBuffer );
pahsc->pahsc_NativeInputBuffer = NULL;
}
if( pahsc->pahsc_NativeOutputBuffer )
{
free( pahsc->pahsc_NativeOutputBuffer );
pahsc->pahsc_NativeOutputBuffer = NULL;
}
free( pahsc );
past->past_DeviceData = NULL;
return paNoError;
}
PaError Pa_SetupOutputDeviceFormat( int devHandle, int numChannels, int sampleRate )
{
audio_info_t solaris_info;
AUDIO_INITINFO(&solaris_info);
/* Sam Bayer/Bryan George 1/10/02: Various folks have
reported that on Solaris Ultra II, the not-right thing
happens on read unless you make sure the audio device is
flushed. The folks who wrote the Robust Audio Tool say:
+ XXX driver issue - on Ultra II's if you don't drain
* the device before reading commences then the device
* reads in blocks of 500ms irrespective of the
* blocksize set. After a minute or so it flips into the
* correct mode, but obviously this is too late to be + * useful for most apps. grrr.
*/
/* AS: And the Solaris man audio pages say you should flush before changing formats
anyway. So there you go. */
if (Pa_FlushStream(devHandle) != paNoError)
return paHostError;
solaris_info.play.encoding = AUDIO_ENCODING_LINEAR;
solaris_info.play.sample_rate = sampleRate;
solaris_info.play.precision = 16;
solaris_info.play.channels = numChannels;
if (ioctl(devHandle, AUDIO_SETINFO, &solaris_info) == -1)
{
ERR_RPT(("Pa_SetupDeviceFormat: could not set audio info\n" ));
return paHostError;
}
return paNoError;
}
