//UpdateFSKFrameDecodeStats
public static string[] EnumeratePlaybackDevices()
{
// Get the Windows enumerated Playback devices adding a "-n" tag (-1, -2, etc.) if any duplicate names
Microsoft.DirectX.DirectSound.DevicesCollection cllPlaybackDevices = new Microsoft.DirectX.DirectSound.DevicesCollection();
//DeviceInformation objDI = new DeviceInformation();
int intCtr = 0;
int intDupeDeviceCnt = 0;
string[] strPlaybackDevices = new string[cllPlaybackDevices.Count];
foreach (DeviceInformation objDI in cllPlaybackDevices)
{
DeviceDescription objDD = new DeviceDescription(objDI);
strPlaybackDevices[intCtr] = objDD.ToString().Trim();
intCtr += 1;
}
for (int i = 0; i <= strPlaybackDevices.Length - 1; i++)
{
intDupeDeviceCnt = 1;
for (int j = i + 1; j <= strPlaybackDevices.Length - 1; j++)
{
if (strPlaybackDevices[j] == strPlaybackDevices[i])
{
intDupeDeviceCnt += 1;
strPlaybackDevices[j] = strPlaybackDevices[i] + "-" + intDupeDeviceCnt.ToString();
}
}
}
return(strPlaybackDevices);
}
public void AudioDeviceEnumeration()
{
Microsoft.DirectX.DirectSound.DevicesCollection devices = new Microsoft.DirectX.DirectSound.DevicesCollection();
directSoundDevices = new Guid[devices.Count];
// Gets the Guid and populates the associated descritption for each sound device
for (int i = 0; i < devices.Count; i++)
{
DeviceInformation devInfo = devices[i];
cmbDevices.Items.Add(devInfo.Description);
directSoundDevices[i] = devInfo.DriverGuid;
}
// Setup the selected audio device, by enumerated value
globalSettings.aDC.selectedAudioDevice = 0;
try
{
// Load the audio device from the last session
audioDeviceLoad();
}catch
{
// Create the settings file if it doesn't exist and save with the default
audioDeviceSave();
}
// Sets to the default value of 0 (Should be Primary) or the previously selected value if it was different
cmbDevices.SelectedIndex = globalSettings.aDC.selectedAudioDevice;
}
public bool StartCodec(ref string strFault)
{
bool functionReturnValue = false;
//Returns true if successful
Thread.Sleep(100);
// This delay is necessary for reliable starup following a StopCodec
lock (objCodecLock) {
dttLastSoundCardSample = Now;
bool blnSpectrumSave = MCB.DisplaySpectrum;
bool blnWaterfallSave = MCB.DisplayWaterfall;
System.DateTime dttStartWait = Now;
MCB.DisplayWaterfall = false;
MCB.DisplaySpectrum = false;
string[] strCaptureDevices = EnumerateCaptureDevices();
string[] strPlaybackDevices = EnumeratePlaybackDevices();
functionReturnValue = false;
DeviceInformation objDI = new DeviceInformation();
int intPtr = 0;
// Playback devices
try {
cllPlaybackDevices = null;
cllPlaybackDevices = new Microsoft.DirectX.DirectSound.DevicesCollection();
if ((devSelectedPlaybackDevice != null)) {
devSelectedPlaybackDevice.Dispose();
devSelectedPlaybackDevice = null;
}
foreach (DeviceInformation objDI in cllPlaybackDevices) {
DeviceDescription objDD = new DeviceDescription(objDI);
if (strPlaybackDevices(intPtr) == MCB.PlaybackDevice) {
if (MCB.DebugLog)
Logs.WriteDebug("[Main.StartCodec] Setting SelectedPlaybackDevice = " + MCB.PlaybackDevice);
devSelectedPlaybackDevice = new Device(objDD.info.DriverGuid);
functionReturnValue = true;
break; // TODO: might not be correct. Was : Exit For
}
intPtr += 1;
}
if (!functionReturnValue) {
strFault = "Playback Device setup, Device " + MCB.PlaybackDevice + " not found in Windows enumerated Playback Devices";
}
} catch (Exception ex) {
strFault = Err.Number.ToString + "/" + Err.Description;
Logs.Exception("[StartCodec], Playback Device setup] Err: " + ex.ToString);
functionReturnValue = false;
}
if (functionReturnValue) {
// Capture Device
CaptureBufferDescription dscheckboxd = new CaptureBufferDescription();
try {
functionReturnValue = false;
cllCaptureDevices = null;
cllCaptureDevices = new CaptureDevicesCollection();
intPtr = 0;
for (int i = 0; i <= cllCaptureDevices.Count - 1; i++) {
if (MCB.CaptureDevice == strCaptureDevices(i)) {
objCaptureDeviceGuid = cllCaptureDevices(i).DriverGuid;
devCaptureDevice = new Capture(objCaptureDeviceGuid);
stcSCFormat.SamplesPerSecond = 12000;
// 12000 Hz sample rate
stcSCFormat.Channels = 1;
stcSCFormat.BitsPerSample = 16;
stcSCFormat.BlockAlign = 2;
stcSCFormat.AverageBytesPerSecond = 2 * 12000;
stcSCFormat.FormatTag = WaveFormatTag.Pcm;
objApplicationNotify = null;
objCapture = null;
// Set the buffer sizes
intCaptureBufferSize = intNotifySize * intNumberRecordNotifications;
// Create the capture buffer
dscheckboxd.BufferBytes = intCaptureBufferSize;
stcSCFormat.FormatTag = WaveFormatTag.Pcm;
dscheckboxd.Format = stcSCFormat;
// Set the format during creatation
if ((objCapture != null)) {
objCapture.Dispose();
objCapture = null;
}
//objCapture = New CaptureBuffer(dscheckboxd, devCaptureDevice)
intNextCaptureOffset = 0;
WriteTextToSpectrum("CODEC Start OK", Brushes.LightGreen);
while (Now.Subtract(dttStartWait).TotalSeconds < 3) {
Application.DoEvents();
Thread.Sleep(100);
}
objCapture = new CaptureBuffer(dscheckboxd, devCaptureDevice);
InititializeNotifications();
objCapture.Start(true);
// start with looping
InititializeSpectrum(Color.Black);
functionReturnValue = true;
}
}
if (!functionReturnValue) {
strFault = "Could not find DirectSound capture device " + MCB.CaptureDevice.ToUpper;
//Logs.Exception("[Main.StartCodec] Could not find DirectSound capture device " & MCB.CaptureDevice & " in Windows enumerated Capture Devices")
}
} catch (Exception ex) {
strFault = Err.Number.ToString + "/" + Err.Description;
functionReturnValue = false;
//Logs.Exception("[Main.StartCodec] Err: " & ex.ToString)
}
}
if (functionReturnValue) {
if (MCB.DebugLog)
Logs.WriteDebug("[Main.StartCodec] Successful start of codec");
objProtocol.ARDOPProtocolState = ProtocolState.DISC;
} else {
if (MCB.DebugLog)
Logs.WriteDebug("[Main.StartCodec] CODEC Start Failed");
WriteTextToSpectrum("CODEC Start Failed", Brushes.Red);
objProtocol.ARDOPProtocolState = ProtocolState.OFFLINE;
while (Now.Subtract(dttStartWait).TotalSeconds < 3) {
Application.DoEvents();
Thread.Sleep(100);
}
tmrStartCODEC.Interval = 5000;
tmrStartCODEC.Start();
}
InititializeSpectrum(Color.Black);
MCB.DisplayWaterfall = blnWaterfallSave;
MCB.DisplaySpectrum = blnSpectrumSave;
}
return functionReturnValue;
}
//UpdateFSKFrameDecodeStats
public static string[] EnumeratePlaybackDevices()
{
// Get the Windows enumerated Playback devices adding a "-n" tag (-1, -2, etc.) if any duplicate names
Microsoft.DirectX.DirectSound.DevicesCollection cllPlaybackDevices = new Microsoft.DirectX.DirectSound.DevicesCollection();
//DeviceInformation objDI = new DeviceInformation();
int intCtr = 0;
int intDupeDeviceCnt = 0;
string[] strPlaybackDevices = new string[cllPlaybackDevices.Count];
foreach (DeviceInformation objDI in cllPlaybackDevices) {
DeviceDescription objDD = new DeviceDescription(objDI);
strPlaybackDevices[intCtr] = objDD.ToString().Trim();
intCtr += 1;
}
for (int i = 0; i <= strPlaybackDevices.Length - 1; i++) {
intDupeDeviceCnt = 1;
for (int j = i + 1; j <= strPlaybackDevices.Length - 1; j++) {
if (strPlaybackDevices[j] == strPlaybackDevices[i]) {
intDupeDeviceCnt += 1;
strPlaybackDevices[j] = strPlaybackDevices[i] + "-" + intDupeDeviceCnt.ToString();
}
}
}
return strPlaybackDevices;
}