static UMSAudioDevice_ReturnCode UADSetNumberFormat(_THIS, string fmt)
{
/* possible SIGNED, UNSIGNED, or TWOS_COMPLEMENT */
return UMSAudioDevice_set_number_format( this->hidden->umsdev,
this->hidden->ev,
fmt );
}
static int aix_init(const char *param, int *speed,
int *fragsize, int *fragnr, int *channels)
{
int st, tmp, i;
/* No stereo capability. */
*channels = 1;
/* open device */
ev = somGetGlobalEnvironment();
audio_device = UMSBAUDDeviceNew();
rc = UMSAudioDevice_open(audio_device, ev, "/dev/paud0", "PLAY",
UMSAudioDevice_BlockingIO);
if (audio_device == NULL)
{
fprintf(errfile,"can't create audio device object\nError: %s\n",
error_string);
return 1;
}
rc = UMSAudioDevice_set_volume(audio_device, ev, 100);
rc = UMSAudioDevice_set_balance(audio_device, ev, 0);
rc = UMSAudioDevice_set_time_format(audio_device, ev, UMSAudioTypes_Msecs);
if (obyte_order)
lib_free(obyte_order);
rc = UMSAudioDevice_set_byte_order(audio_device, ev, "LSB");
/* set 16bit */
rc = UMSAudioDevice_set_bits_per_sample(audio_device, ev, 16);
rc = UMSAudioDevice_set_audio_format_type(audio_device, ev, "PCM");
rc = UMSAudioDevice_set_number_format(audio_device, ev, "TWOS_COMPLEMENT");
/* set speed */
rc = UMSAudioDevice_set_sample_rate(audio_device, ev, *speed, &out_rate);
/* channels */
rc = UMSAudioDevice_set_number_of_channels(audio_device, ev, 1);
/* should we use the default? */
left_gain = right_gain = 100;
rc = UMSAudioDevice_enable_output(audio_device, ev, "LINE_OUT",
&left_gain, &right_gain);
/* set buffer size */
tmp = (*fragsize) * (*fragnr) * sizeof(SWORD);
buffer._maximum = tmp;
buffer._buffer = (char *)lib_malloc(tmp);
buffer._length = 0;
rc = UMSAudioDevice_initialize(audio_device, ev);
rc = UMSAudioDevice_start(audio_device, ev);
return 0;
#if 0
/* XXX: AIX: everything should check rc, this isn't used now */
fail:
UMSAudioDevice_stop(audio_device, ev);
UMSAudioDevice_close(audio_device, ev);
_somFree(audio_device);
lib_free(buffer._buffer);
audio_device = NULL;
return 1;
#endif
}