public static ArrayList GetPAInputDevices(int hostIndex)
{
var a = new ArrayList();
if (hostIndex >= PA19.PA_GetHostApiCount())
{
a.Add(new PADeviceInfo("HPSDR (PCM A/D)", 0));
return(a);
}
PA19.PaHostApiInfo hostInfo = PA19.PA_GetHostApiInfo(hostIndex);
for (int i = 0; i < hostInfo.deviceCount; i++)
{
int devIndex = PA19.PA_HostApiDeviceIndexToDeviceIndex(hostIndex, i);
PA19.PaDeviceInfo devInfo = PA19.PA_GetDeviceInfo(devIndex);
if (devInfo.maxInputChannels > 0)
{
string name = devInfo.name;
int index = name.IndexOf("- ");
if (index > 0)
{
char c = name[index - 1]; // make sure this is what we're looking for
if (c >= '0' && c <= '9') // it is... remove index
{
int x = name.IndexOf("(");
name = devInfo.name.Substring(0, x + 1); // grab first part of string including "("
name += devInfo.name.Substring(index + 2, devInfo.name.Length - index - 2); // add end of string;
}
}
a.Add(new PADeviceInfo(name, i) /* + " - " + devIndex*/);
}
}
return(a);
}
public static bool CheckPAOutputDevices(int hostIndex, string name)
{
PA19.PaHostApiInfo hostInfo = PA19.PA_GetHostApiInfo(hostIndex);
for (int i = 0; i < hostInfo.deviceCount; i++)
{
int devIndex = PA19.PA_HostApiDeviceIndexToDeviceIndex(hostIndex, i);
PA19.PaDeviceInfo devInfo = PA19.PA_GetDeviceInfo(devIndex);
if (devInfo.maxOutputChannels > 0 && devInfo.name.Contains(name))
{
return(true);
}
}
return(false);
}
public static void EnableVAC2(bool enable)
{
bool retval = false;
if (enable)
{
unsafe
{
int num_chan = 1;
int sample_rate = sample_rate3;
int block_size = block_size_vac2;
double in_latency = vac2_latency_manual ? latency3 / 1000.0 : PA19.PA_GetDeviceInfo(input_dev3).defaultLowInputLatency;
double out_latency = vac2_latency_out_manual ? vac2_latency_out / 1000.0 : PA19.PA_GetDeviceInfo(output_dev3).defaultLowOutputLatency;
double pa_in_latency = vac2_latency_pa_in_manual ? vac2_latency_pa_in / 1000.0 : PA19.PA_GetDeviceInfo(input_dev3).defaultLowInputLatency;
double pa_out_latency = vac2_latency_pa_out_manual ? vac2_latency_pa_out / 1000.0 : PA19.PA_GetDeviceInfo(output_dev3).defaultLowOutputLatency;
if (vac2_output_iq)
{
num_chan = 2;
sample_rate = sample_rate_rx2;
block_size = block_size_rx2;
}
else if (vac2_stereo)
{
num_chan = 2;
}
VAC2RBReset = true;
ivac.SetIVAChostAPIindex(1, host3);
ivac.SetIVACinputDEVindex(1, input_dev3);
ivac.SetIVACoutputDEVindex(1, output_dev3);
ivac.SetIVACnumChannels(1, num_chan);
ivac.SetIVACInLatency(1, in_latency, 0);
ivac.SetIVACOutLatency(1, out_latency, 0);
ivac.SetIVACPAInLatency(1, pa_in_latency, 0);
ivac.SetIVACPAOutLatency(1, pa_out_latency, 1);
try
{
retval = ivac.StartAudioIVAC(1) == 1;
if (retval && console.PowerOn)
{
ivac.SetIVACrun(1, 1);
}
}
catch (Exception)
{
MessageBox.Show("The program is having trouble starting the VAC audio streams.\n" +
"Please examine the VAC related settings on the Setup Form -> Audio Tab and try again.",
"VAC2 Audio Stream Startup Error",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
}
}
else
{
ivac.SetIVACrun(1, 0);
ivac.StopAudioIVAC(1);
}
}