ntv2devicescanner.cpp

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/* SPDX-License-Identifier: MIT */
#include "ntv2devicescanner.h"
#include "ntv2devicefeatures.h"
#include "ntv2utils.h"
#include "ajabase/common/common.h"
#include "ajabase/system/lock.h"
#include <sstream>
#include "ajabase/system/info.h"
#include "ajabase/common/json.hpp"
#include <fstream>
#include "ajabase/system/file_io.h"
 
using namespace std;
using json = nlohmann::json;
 
 
#if defined(NTV2_DEPRECATE_17_1)
    //  Abbreviated device info struct
    typedef struct NTV2DeviceInfo
    {
        NTV2DeviceID    deviceID;
        string          serialNumber;
        string          deviceIdentifier;
    } NTV2DeviceInfo;
 
    typedef vector <NTV2DeviceInfo>     NTV2DeviceInfoList;
    typedef NTV2DeviceInfoList::const_iterator  NTV2DeviceInfoListConstIter;
#else
    bool CNTV2DeviceScanner::IsHexDigit (const char inChr)
    {   static const string sHexDigits("0123456789ABCDEFabcdef");
        return sHexDigits.find(inChr) != string::npos;
    }
 
    bool CNTV2DeviceScanner::IsDecimalDigit (const char inChr)
    {   static const string sDecDigits("0123456789");
        return sDecDigits.find(inChr) != string::npos;
    }
 
    bool CNTV2DeviceScanner::IsAlphaNumeric (const char inChr)
    {   static const string sLegalChars("0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz");
        return sLegalChars.find(inChr) != string::npos;
    }
 
    bool CNTV2DeviceScanner::IsLegalDecimalNumber (const string & inStr, const size_t inMaxLength)
    {
        return aja::is_legal_decimal_number(inStr, inMaxLength);
    }
 
    uint64_t CNTV2DeviceScanner::IsLegalHexSerialNumber (const string & inStr)  //  0x3236333331375458
    {
        return aja::is_legal_hex_serial_number(inStr);
    }
 
    bool CNTV2DeviceScanner::IsAlphaNumeric (const string & inStr)
    {
        for (size_t ndx(0);  ndx < inStr.size();  ndx++)
            if (!aja::is_alpha_numeric(inStr.at(ndx)))
                return false;
        return true;
    }
#endif  //  !defined(NTV2_DEPRECATE_17_1)
 
bool CNTV2DeviceScanner::IsLegalSerialNumber (const string & inStr)
{
    if (inStr.length() != 8  &&  inStr.length() != 9)
        return false;
    return aja::is_alpha_numeric(inStr);
}
 
static NTV2DeviceInfoList   sDevInfoList;
static AJALock              sDevInfoListLock;
 
size_t CNTV2DeviceScanner::GetNumDevices (void)
{
    AJAAutoLock tmpLock(&sDevInfoListLock);
    return sDevInfoList.size();
}
 
#if defined(NTV2_DEPRECATE_17_1)
    void ScanHardware (void)
    {
        AJAAutoLock tmpLock(&sDevInfoListLock);
        sDevInfoList.clear();
        UWord ndx(0);
        do
        {
            CNTV2Card tmpDev(ndx);
            if (!tmpDev.IsOpen())
                break;
            NTV2DeviceInfo info;
            info.deviceID = tmpDev.GetDeviceID();
            tmpDev.GetSerialNumberString(info.serialNumber);
            info.deviceIdentifier = tmpDev.GetDisplayName();
            sDevInfoList.push_back(info);
            ndx++;
        } while (ndx < 16);
    }
#else   //  !defined(NTV2_DEPRECATE_17_1)
CNTV2DeviceScanner::CNTV2DeviceScanner (const bool inScanNow)
{
    if (inScanNow)
        ScanHardware();
}
 
    #if !defined(NTV2_DEPRECATE_16_3)
        CNTV2DeviceScanner::CNTV2DeviceScanner (bool inScanNow, UWord inDeviceMask)
        {
            (void)inDeviceMask;
            if (inScanNow)
                ScanHardware();
        }
    #endif  //  !defined(NTV2_DEPRECATE_16_3)
 
NTV2DeviceInfoList  GetDeviceInfoList (void)
{
    AJAAutoLock tmpLock(&sDevInfoListLock);
    return sDevInfoList;
}
 
 
void CNTV2DeviceScanner::ScanHardware (void)
{
    AJAAutoLock tmpLock(&sDevInfoListLock);
    sDevInfoList.clear();
 
    for (UWord boardNum(0);   ;   boardNum++)
    {
        CNTV2Card tmpDev(boardNum);
        if (!tmpDev.IsOpen())
            break;
        const NTV2DeviceID  deviceID (tmpDev.GetDeviceID());
 
        if (deviceID != DEVICE_ID_NOTFOUND)
        {
            ostringstream   oss;
            NTV2DeviceInfo  info;
            info.deviceIndex        = boardNum;
            info.deviceID           = deviceID;
            tmpDev.GetSerialNumberString(info.serialNumber);
 
            oss << ::NTV2DeviceIDToString (deviceID, tmpDev.IsSupported(kDeviceHasMicrophoneInput)) << " - " << boardNum;
 
            info.deviceIdentifier = oss.str();
            SetDeviceAttributes(info, tmpDev);
            SetAudioAttributes(info, tmpDev);
            sDevInfoList.push_back(info);
        }
        tmpDev.Close();
    }   //  boardNum loop
 
    GetVirtualDeviceList(sDevInfoList);
}   //  ScanHardware
 
bool CNTV2DeviceScanner::DeviceIDPresent (const NTV2DeviceID inDeviceID, const bool inRescan)
{
    AJAAutoLock tmpLock(&sDevInfoListLock);
    if (inRescan)
        ScanHardware();
 
    for (NTV2DeviceInfoListConstIter iter(sDevInfoList.begin());  iter != sDevInfoList.end();  ++iter)
        if (iter->deviceID == inDeviceID)
            return true;    //  Found!
    return false;   //  Not found
 
}   //  DeviceIDPresent
 
 
bool CNTV2DeviceScanner::GetDeviceInfo (const ULWord inDeviceIndexNumber, NTV2DeviceInfo & outDeviceInfo, const bool inRescan)
{
    AJAAutoLock tmpLock(&sDevInfoListLock);
    if (inRescan)
        ScanHardware();
 
    for (NTV2DeviceInfoListConstIter iter(sDevInfoList.begin()); iter != sDevInfoList.end(); ++iter)
        if (iter->deviceIndex == inDeviceIndexNumber)
        {
            outDeviceInfo = *iter;
            return true;    //  Found!
        }
    return false;   //  No devices with this index number
 
}   //  GetDeviceInfo
#endif  //  !defined(NTV2_DEPRECATE_17_1)
 
bool CNTV2DeviceScanner::GetDeviceAtIndex (const ULWord inDeviceIndexNumber, CNTV2Card & outDevice)
{
    outDevice.Close();
    AJAAutoLock tmpLock(&sDevInfoListLock);
    ScanHardware();
    for (NTV2DeviceInfoListConstIter iter(sDevInfoList.begin()); iter != sDevInfoList.end(); ++iter)
        if (iter->deviceIndex == inDeviceIndexNumber)
        {
            if (iter->isVirtualDevice)
                return outDevice.Open(iter->vdevUrl);
            else
                return outDevice.Open(UWord(inDeviceIndexNumber));
        }
    return false;   //  No devices with this index number
 
}   //  GetDeviceAtIndex
 
 
bool CNTV2DeviceScanner::GetFirstDeviceWithID (const NTV2DeviceID inDeviceID, CNTV2Card & outDevice)
{
    outDevice.Close();
    AJAAutoLock tmpLock(&sDevInfoListLock);
    ScanHardware();
    for (size_t ndx(0);  ndx < sDevInfoList.size();  ndx++)
        if (sDevInfoList.at(ndx).deviceID == inDeviceID)
        {
            if (sDevInfoList.at(ndx).isVirtualDevice)
                return outDevice.Open(sDevInfoList.at(ndx).vdevUrl);
            else
                return outDevice.Open(UWord(ndx));
        }
    return false;   //  Not found
 
}   //  GetFirstDeviceWithID
 
 
bool CNTV2DeviceScanner::GetFirstDeviceWithName (const string & inNameSubString, CNTV2Card & outDevice)
{
    outDevice.Close();
    AJAAutoLock tmpLock(&sDevInfoListLock);
    ScanHardware();
    string  nameSubString(inNameSubString);  aja::lower(nameSubString);
    for (size_t ndx(0);  ndx < sDevInfoList.size();  ndx++)
    {
        string deviceName(sDevInfoList.at(ndx).deviceIdentifier);  aja::lower(deviceName);
        if (deviceName.find(nameSubString) != string::npos)
        {
            if (sDevInfoList.at(ndx).isVirtualDevice)
                return outDevice.Open(sDevInfoList.at(ndx).vdevUrl);
            else
                return outDevice.Open(UWord(ndx));
        }
    }
    if (nameSubString == "io4kplus")
    {   //  Io4K+ == DNXIV...
        nameSubString = "avid dnxiv";
        for (size_t ndx(0);  ndx < sDevInfoList.size();  ndx++)
        {
            string deviceName(sDevInfoList.at(ndx).deviceIdentifier);  aja::lower(deviceName);
            if (deviceName.find(nameSubString) != string::npos)
            {
                if (sDevInfoList.at(ndx).isVirtualDevice)
                    return outDevice.Open(sDevInfoList.at(ndx).vdevUrl);
                else
                    return outDevice.Open(UWord(ndx));
            }
        }
    }
    return false;   //  Not found
 
}   //  GetFirstDeviceWithName
 
bool CNTV2DeviceScanner::GetVirtualDeviceWithName (const string & inNameString, CNTV2Card & outDevice, const bool inRescan)
{
    outDevice.Close();
    AJAAutoLock tmpLock(&sDevInfoListLock);
    if (inRescan)
        ScanHardware();
    string  nameString(inNameString);  aja::lower(nameString);
    for (size_t ndx(0);  ndx < sDevInfoList.size();  ndx++)
    {
        if (!sDevInfoList.at(ndx).isVirtualDevice)
            continue;
        string deviceName(sDevInfoList.at(ndx).vdevName);  aja::lower(deviceName);
        if (deviceName == nameString)
        {
            return outDevice.Open(sDevInfoList.at(ndx).vdevUrl);
        }
    }
    return false;   //  Not found
}
 
bool CNTV2DeviceScanner::GetFirstDeviceWithSerial (const string & inSerialStr, CNTV2Card & outDevice)
{
    outDevice.Close();
    AJAAutoLock tmpLock(&sDevInfoListLock);
    ScanHardware();
    string searchSerialStr(inSerialStr);  aja::lower(searchSerialStr);
    for (size_t ndx(0);  ndx < sDevInfoList.size();  ndx++)
    {
        string ser(sDevInfoList.at(ndx).serialNumber);  aja::lower(ser);
        if (ser.find(searchSerialStr) != string::npos)
        {
            if (sDevInfoList.at(ndx).isVirtualDevice)
                return outDevice.Open(sDevInfoList.at(ndx).vdevUrl);
            else
                return outDevice.Open(UWord(ndx));
        }
    }
    return false;
}
 
 
#if !defined(NTV2_DEPRECATE_17_5)
bool CNTV2DeviceScanner::GetDeviceWithSerial (const uint64_t inSerialNumber, CNTV2Card & outDevice)
{
    const string serNumStr(::SerialNum64ToString(inSerialNumber));
    return GetDeviceWithSerial(serNumStr, outDevice);
}
#endif  //  !defined(NTV2_DEPRECATE_17_5)
 
bool CNTV2DeviceScanner::GetDeviceWithSerial (const string & inSerialNumber, CNTV2Card & outDevice)
{
    outDevice.Close();
    AJAAutoLock tmpLock(&sDevInfoListLock);
    ScanHardware();
    for (size_t ndx(0);  ndx < sDevInfoList.size();  ndx++)
        if (sDevInfoList.at(ndx).serialNumber == inSerialNumber)
        {
            if (sDevInfoList.at(ndx).isVirtualDevice)
                return outDevice.Open(sDevInfoList.at(ndx).vdevUrl);
            else
                return outDevice.Open(UWord(ndx));
        }
    return false;
}
 
 
bool CNTV2DeviceScanner::GetFirstDeviceFromArgument (const string & inArgument, CNTV2Card & outDevice)
{
    outDevice.Close();
    if (inArgument.empty())
        return false;
 
    //  Special case:  'LIST' or '?'  ---  print an enumeration of available devices to stdout, then bail
    AJAAutoLock tmpLock(&sDevInfoListLock);
    ScanHardware();
    string upperArg(inArgument);  aja::upper(upperArg);
    if (upperArg == "LIST" || upperArg == "?")
    {
        if (sDevInfoList.empty())
            cout << "No devices detected" << endl;
        else
            cout << DEC(sDevInfoList.size()) << " available " << (sDevInfoList.size() == 1 ? "device:" : "devices:") << endl;
        for (size_t ndx(0);  ndx < sDevInfoList.size();  ndx++)
        {
            if (sDevInfoList.at(ndx).isVirtualDevice)
            {
                cout << DECN(ndx, 2) << " | " << setw(8) << "virtual";
                if (!sDevInfoList.at(ndx).vdevName.empty())
                    cout << " | " << setw(10) << sDevInfoList.at(ndx).vdevName;
                cout << " | " << sDevInfoList.at(ndx).vdevUrl << endl;
            }
            else
            {
                cout << DECN(ndx, 2) << " | " << setw(8) << "local";
                const string serNum(sDevInfoList.at(ndx).serialNumber);
                if (!serNum.empty())
                    cout << " | " << setw(10) << serNum;
                cout << " | " << setw(16) << ::NTV2DeviceIDToString(sDevInfoList.at(ndx).deviceID);
                cout << endl;
            }
        }
        return false;
    }
 
    for (NTV2DeviceInfoListConstIter iter(sDevInfoList.begin());  iter != sDevInfoList.end();  ++iter)
    {
        if (to_string(iter->deviceIndex) == inArgument)
            return outDevice.Open(iter->isVirtualDevice ? iter->vdevUrl : inArgument);
        else if (iter->deviceIdentifier == inArgument)
            return outDevice.Open(iter->isVirtualDevice ? iter->vdevUrl : inArgument);
        else if (iter->isVirtualDevice && iter->vdevName == inArgument)
            return outDevice.Open( iter->vdevUrl );
        else if (aja::is_legal_decimal_number(inArgument, inArgument.length())
            && aja::is_legal_hex_serial_number(inArgument)
            && iter->deviceID == NTV2DeviceID(stoi(inArgument)))
                return outDevice.Open(iter->isVirtualDevice ? iter->vdevUrl : inArgument);
        else if (IsLegalSerialNumber(inArgument))
            return outDevice.Open(inArgument);
        else if (inArgument.find("://") != string::npos)
            return outDevice.Open(inArgument);
    }
    return outDevice.Open(inArgument);
}   //  GetFirstDeviceFromArgument
 
 
string CNTV2DeviceScanner::GetDeviceRefName (CNTV2Card & inDevice)
{   //  Name that will find given device via CNTV2DeviceScanner::GetFirstDeviceFromArgument
    if (!inDevice.IsOpen())
        return string();
    //  Nub address 1st...
    if (!inDevice.GetHostName().empty()  &&  inDevice.IsRemote())
        return inDevice.GetHostName();  //  Nub host/device
 
    //  Serial number 2nd...
    string str;
    if (inDevice.GetSerialNumberString(str))
        return str;
 
    //  Model name 3rd...
    str = ::NTV2DeviceIDToString(inDevice.GetDeviceID(), false);
    if (!str.empty() &&  str != "???")
        return str;
 
    //  Index number last...
    ostringstream oss;  oss << DEC(inDevice.GetIndexNumber());
    return oss.str();
}
 
 
#if !defined(NTV2_DEPRECATE_17_1)
ostream &   operator << (ostream & inOutStr, const NTV2DeviceInfoList & inList)
{
    for (NTV2DeviceInfoListConstIter iter(inList.begin());  iter != inList.end();  ++iter)
        inOutStr << " " << *iter;
    return inOutStr;
 
}   //  NTV2DeviceInfoList ostream operator <<
 
 
bool NTV2DeviceInfo::operator == (const NTV2DeviceInfo & second) const
{
    const NTV2DeviceInfo &  first   (*this);
    size_t                  diffs   (0);
 
    //  'memcmp' would be simpler, but because NTV2DeviceInfo has no constructor, the unfilled bytes in
    //  its "boardIdentifier" field are indeterminate, making it worthless for accurate comparisons.
    //  "boardSerialNumber" and boardNumber are the only required comparisons, but I also check boardType,
    //  boardID, and pciSlot for good measure...
    if (first.deviceID      !=  second.deviceID)        diffs++;
    if (first.deviceIndex   !=  second.deviceIndex)     diffs++;
    if (first.serialNumber  !=  second.serialNumber)    diffs++;
    if (first.pciSlot       !=  second.pciSlot)         diffs++;
 
    // Needs to be fixed now that deviceIdentifier is a std::string
    //#if defined (AJA_DEBUG)
    //  if (::strncmp (first.deviceIdentifier.c_str (), second.deviceIdentifier.c_str (), first.deviceIdentifier.length ())))   diffs++;
    //  if (diffs)
    //      {cout << "## DEBUG:  " << diffs << " diff(s):" << endl << "#### first ####" << endl << first << "#### second ####" << endl << second << endl;}
    //#endif    //  AJA_DEBUG
 
    return diffs ? false : true;
 
}   //  equality operator
 
NTV2DeviceInfo::NTV2DeviceInfo()
{
    deviceID                        = DEVICE_ID_INVALID;
    deviceIndex                     = 0;
    pciSlot                         = 0;
    deviceSerialNumber              = 0;
    serialNumber                    = "";
    numVidInputs                    = 0;
    numVidOutputs                   = 0;
    numAnlgVidInputs                = 0;
    numAnlgVidOutputs               = 0;
    numHDMIVidInputs                = 0;
    numHDMIVidOutputs               = 0;
    numInputConverters              = 0;
    numOutputConverters             = 0;
    numUpConverters                 = 0;
    numDownConverters               = 0;
    downConverterDelay              = 0;
    isoConvertSupport               = false;
    rateConvertSupport              = false;
    dvcproHDSupport                 = false;
    qrezSupport                     = false;
    hdvSupport                      = false;
    quarterExpandSupport            = false;
    vidProcSupport                  = false;
    dualLinkSupport                 = false;
    colorCorrectionSupport          = false;
    programmableCSCSupport          = false;
    rgbAlphaOutputSupport           = false;
    breakoutBoxSupport              = false;
    procAmpSupport                  = false;
    has2KSupport                    = false;
    has4KSupport                    = false;
    has8KSupport                    = false;
    has3GLevelConversion            = false;
    proResSupport                   = false;
    sdi3GSupport                    = false;
    sdi12GSupport                   = false;
    ipSupport                       = false;
    biDirectionalSDI                = false;
    ltcInSupport                    = false;
    ltcOutSupport                   = false;
    ltcInOnRefPort                  = false;
    stereoOutSupport                = false;
    stereoInSupport                 = false;
    multiFormat                     = false;
    numAudioStreams                 = 0;
    numAnalogAudioInputChannels     = 0;
    numAESAudioInputChannels        = 0;
    numEmbeddedAudioInputChannels   = 0;
    numHDMIAudioInputChannels       = 0;
    numAnalogAudioOutputChannels    = 0;
    numAESAudioOutputChannels       = 0;
    numEmbeddedAudioOutputChannels  = 0;
    numHDMIAudioOutputChannels      = 0;
    numDMAEngines                   = 0;
    numSerialPorts                  = 0;
    pingLED                         = 0;
    deviceIdentifier.clear();
    audioSampleRateList.clear();
    audioNumChannelsList.clear();
    audioBitsPerSampleList.clear();
    audioInSourceList.clear();
    audioOutSourceList.clear();
}
 
NTV2DeviceInfo::NTV2DeviceInfo (const NTV2DeviceInfo & info)
{
    if (&info != this)
        *this = info;
}
 
 
bool CNTV2DeviceScanner::CompareDeviceInfoLists (const NTV2DeviceInfoList & inOldList,
                                            const NTV2DeviceInfoList & inNewList,
                                            NTV2DeviceInfoList & outBoardsAdded,
                                            NTV2DeviceInfoList & outBoardsRemoved)
{
    NTV2DeviceInfoListConstIter oldIter (inOldList.begin ());
    NTV2DeviceInfoListConstIter newIter (inNewList.begin ());
 
    outBoardsAdded.clear ();
    outBoardsRemoved.clear ();
 
    while (true)
    {
        if (oldIter == inOldList.end () && newIter == inNewList.end ())
            break;  //  Done -- exit
 
        if (oldIter != inOldList.end () && newIter != inNewList.end ())
        {
            const NTV2DeviceInfo &  oldInfo (*oldIter),  newInfo (*newIter);
 
            if (oldInfo != newInfo)
            {
                //  Out with the old...
                outBoardsRemoved.push_back (oldInfo);
 
                //  In with the new...
                if (newInfo.deviceID && newInfo.deviceID != NTV2DeviceID(0xFFFFFFFF))
                    outBoardsAdded.push_back (newInfo);
            }   //  if mismatch
 
            ++oldIter;
            ++newIter;
            continue;   //  Move along
 
        }   //  if both valid
 
        if (oldIter != inOldList.end () && newIter == inNewList.end ())
        {
            outBoardsRemoved.push_back (*oldIter);
            ++oldIter;
            continue;   //  Move along
        }   //  old is valid, new is not valid
 
        if (oldIter == inOldList.end () && newIter != inNewList.end ())
        {
            if (newIter->deviceID && newIter->deviceID != NTV2DeviceID(0xFFFFFFFF))
                outBoardsAdded.push_back (*newIter);
            ++newIter;
            continue;   //  Move along
        }   //  old is not valid, new is valid
 
        NTV2_ASSERT(false && "should never get here");
 
    }   //  loop til break
 
    //  Return 'true' if there were any changes...
    return !outBoardsAdded.empty () || !outBoardsRemoved.empty ();
 
}   //  CompareDeviceInfoLists
 
 
ostream &   operator << (ostream & inOutStr, const NTV2AudioSampleRateList & inList)
{
    for (NTV2AudioSampleRateListConstIter iter (inList.begin ()); iter != inList.end (); ++iter)
        inOutStr << " " << *iter;
 
    return inOutStr;
}
 
 
ostream &   operator << (ostream & inOutStr, const NTV2AudioChannelsPerFrameList & inList)
{
    for (NTV2AudioChannelsPerFrameListConstIter iter (inList.begin ());  iter != inList.end ();  ++iter)
        inOutStr << " " << *iter;
 
    return inOutStr;
}
 
 
ostream &   operator << (ostream & inOutStr, const NTV2AudioSourceList & inList)
{
    for (NTV2AudioSourceListConstIter iter(inList.begin());  iter != inList.end();  ++iter)
        switch (*iter)  //  AudioSourceEnum
        {
            case kSourceSDI:    return inOutStr << " SDI";
            case kSourceAES:    return inOutStr << " AES";
            case kSourceADAT:   return inOutStr << " ADAT";
            case kSourceAnalog: return inOutStr << " Analog";
            case kSourceNone:   return inOutStr << " None";
            case kSourceAll:    return inOutStr << " All";
        }
    return inOutStr << " ???";
}
 
 
ostream &   operator << (ostream & inOutStr, const NTV2AudioBitsPerSampleList & inList)
{
    for (NTV2AudioBitsPerSampleListConstIter iter (inList.begin ());  iter != inList.end ();  ++iter)
        inOutStr << " " << *iter;
 
    return inOutStr;
}
 
 
ostream &   operator << (ostream & inOutStr, const NTV2DeviceInfo & inInfo)
{
    inOutStr    << "Device Info for '" << inInfo.deviceIdentifier << "'" << endl
                << "            Device Index Number: " << inInfo.deviceIndex << endl
                << "                      Device ID: 0x" << hex << inInfo.deviceID << dec << endl
                << "                  Serial Number: " << inInfo.serialNumber << endl
                << "                       PCI Slot: 0x" << hex << inInfo.pciSlot << dec << endl
                << "                   Video Inputs: " << inInfo.numVidInputs << endl
                << "                  Video Outputs: " << inInfo.numVidOutputs << endl
                #if defined (_DEBUG)
                    << "            Analog Video Inputs: " << inInfo.numAnlgVidInputs << endl
                    << "           Analog Video Outputs: " << inInfo.numAnlgVidOutputs << endl
                    << "              HDMI Video Inputs: " << inInfo.numHDMIVidInputs << endl
                    << "             HDMI Video Outputs: " << inInfo.numHDMIVidOutputs << endl
                    << "               Input Converters: " << inInfo.numInputConverters << endl
                    << "              Output Converters: " << inInfo.numOutputConverters << endl
                    << "                  Up Converters: " << inInfo.numUpConverters << endl
                    << "                Down Converters: " << inInfo.numDownConverters << endl
                    << "           Down Converter Delay: " << inInfo.downConverterDelay << endl
                    << "                       DVCProHD: " << (inInfo.dvcproHDSupport ? "Y" : "N") << endl
                    << "                           Qrez: " << (inInfo.qrezSupport ? "Y" : "N") << endl
                    << "                            HDV: " << (inInfo.hdvSupport ? "Y" : "N") << endl
                    << "                 Quarter Expand: " << (inInfo.quarterExpandSupport ? "Y" : "N") << endl
                    << "                    ISO Convert: " << (inInfo.isoConvertSupport ? "Y" : "N") << endl
                    << "                   Rate Convert: " << (inInfo.rateConvertSupport ? "Y" : "N") << endl
                    << "                        VidProc: " << (inInfo.vidProcSupport ? "Y" : "N") << endl
                    << "                      Dual-Link: " << (inInfo.dualLinkSupport ? "Y" : "N") << endl
                    << "               Color-Correction: " << (inInfo.colorCorrectionSupport ? "Y" : "N") << endl
                    << "               Programmable CSC: " << (inInfo.programmableCSCSupport ? "Y" : "N") << endl
                    << "               RGB Alpha Output: " << (inInfo.rgbAlphaOutputSupport ? "Y" : "N") << endl
                    << "                   Breakout Box: " << (inInfo.breakoutBoxSupport ? "Y" : "N") << endl
                    << "                        ProcAmp: " << (inInfo.procAmpSupport ? "Y" : "N") << endl
                    << "                             2K: " << (inInfo.has2KSupport ? "Y" : "N") << endl
                    << "                             4K: " << (inInfo.has4KSupport ? "Y" : "N") << endl
                    << "                             8K: " << (inInfo.has8KSupport ? "Y" : "N") << endl
                    << "            3G Level Conversion: " << (inInfo.has3GLevelConversion ? "Y" : "N") << endl
                    << "                         ProRes: " << (inInfo.proResSupport ? "Y" : "N") << endl
                    << "                         SDI 3G: " << (inInfo.sdi3GSupport ? "Y" : "N") << endl
                    << "                        SDI 12G: " << (inInfo.sdi12GSupport ? "Y" : "N") << endl
                    << "                             IP: " << (inInfo.ipSupport ? "Y" : "N") << endl
                    << "             SDI Bi-Directional: " << (inInfo.biDirectionalSDI ? "Y" : "N") << endl
                    << "                         LTC In: " << (inInfo.ltcInSupport ? "Y" : "N") << endl
                    << "                        LTC Out: " << (inInfo.ltcOutSupport ? "Y" : "N") << endl
                    << "             LTC In on Ref Port: " << (inInfo.ltcInOnRefPort ? "Y" : "N") << endl
                    << "                     Stereo Out: " << (inInfo.stereoOutSupport ? "Y" : "N") << endl
                    << "                      Stereo In: " << (inInfo.stereoInSupport ? "Y" : "N") << endl
                    << "             Audio Sample Rates: " << inInfo.audioSampleRateList << endl
                    << "           AudioNumChannelsList: " << inInfo.audioNumChannelsList << endl
                    << "         AudioBitsPerSampleList: " << inInfo.audioBitsPerSampleList << endl
                    << "              AudioInSourceList: " << inInfo.audioInSourceList << endl
                    << "             AudioOutSourceList: " << inInfo.audioOutSourceList << endl
                    << "                  Audio Streams: " << inInfo.numAudioStreams << endl
                    << "    Analog Audio Input Channels: " << inInfo.numAnalogAudioInputChannels << endl
                    << "   Analog Audio Output Channels: " << inInfo.numAnalogAudioOutputChannels << endl
                    << "       AES Audio Input Channels: " << inInfo.numAESAudioInputChannels << endl
                    << "      AES Audio Output Channels: " << inInfo.numAESAudioOutputChannels << endl
                    << "  Embedded Audio Input Channels: " << inInfo.numEmbeddedAudioInputChannels << endl
                    << " Embedded Audio Output Channels: " << inInfo.numEmbeddedAudioOutputChannels << endl
                    << "      HDMI Audio Input Channels: " << inInfo.numHDMIAudioInputChannels << endl
                    << "     HDMI Audio Output Channels: " << inInfo.numHDMIAudioOutputChannels << endl
                    << "                    DMA Engines: " << inInfo.numDMAEngines << endl
                    << "                   Serial Ports: " << inInfo.numSerialPorts << endl
                #endif  //  AJA_DEBUG
                << "";
 
    return inOutStr;
 
}   //  NTV2DeviceInfo ostream operator <<
 
 
ostream &   operator << (ostream & inOutStr, const NTV2AudioPhysicalFormat & inFormat)
{
    inOutStr    << "AudioPhysicalFormat:" << endl
                << "    boardNumber: " << inFormat.boardNumber << endl
                << "     sampleRate: " << inFormat.sampleRate << endl
                << "    numChannels: " << inFormat.numChannels << endl
                << "  bitsPerSample: " << inFormat.bitsPerSample << endl
    #if defined (DEBUG) || defined (AJA_DEBUG)
                << "       sourceIn: 0x" << hex << inFormat.sourceIn << dec << endl
                << "      sourceOut: 0x" << hex << inFormat.sourceOut << dec << endl
    #endif  //  DEBUG or AJA_DEBUG
                ;
 
    return inOutStr;
 
}   //  AudioPhysicalFormat ostream operator <<
 
 
std::ostream &  operator << (std::ostream & inOutStr, const NTV2AudioPhysicalFormatList & inList)
{
    for (NTV2AudioPhysicalFormatListConstIter iter (inList.begin ()); iter != inList.end (); ++iter)
        inOutStr << *iter;
 
    return inOutStr;
 
}   //  AudioPhysicalFormatList ostream operator <<
 
 
// Private methods
 
void CNTV2DeviceScanner::SetDeviceAttributes (NTV2DeviceInfo & inDeviceInfo, CNTV2Card & inDevice)
{
    inDevice.GetSerialNumberString(inDeviceInfo.serialNumber);
    const ULWordSet wgtIDs (inDevice.GetSupportedItems(kNTV2EnumsID_WidgetID));
    inDeviceInfo.numVidInputs           = inDevice.GetNumSupported(kDeviceGetNumVideoInputs);
    inDeviceInfo.numVidOutputs          = inDevice.GetNumSupported(kDeviceGetNumVideoOutputs);
    inDeviceInfo.numAnlgVidOutputs      = inDevice.GetNumSupported(kDeviceGetNumAnalogVideoOutputs);
    inDeviceInfo.numAnlgVidInputs       = inDevice.GetNumSupported(kDeviceGetNumAnalogVideoInputs);
    inDeviceInfo.numHDMIVidOutputs      = inDevice.GetNumSupported(kDeviceGetNumHDMIVideoOutputs);
    inDeviceInfo.numHDMIVidInputs       = inDevice.GetNumSupported(kDeviceGetNumHDMIVideoInputs);
    inDeviceInfo.numInputConverters     = inDevice.GetNumSupported(kDeviceGetNumInputConverters);
    inDeviceInfo.numOutputConverters    = inDevice.GetNumSupported(kDeviceGetNumOutputConverters);
    inDeviceInfo.numUpConverters        = inDevice.GetNumSupported(kDeviceGetNumUpConverters);
    inDeviceInfo.numDownConverters      = inDevice.GetNumSupported(kDeviceGetNumDownConverters);
    inDeviceInfo.downConverterDelay     = inDevice.GetNumSupported(kDeviceGetDownConverterDelay);
    inDeviceInfo.dvcproHDSupport        = inDevice.IsSupported(kDeviceCanDoDVCProHD);
    inDeviceInfo.qrezSupport            = inDevice.IsSupported(kDeviceCanDoQREZ);
    inDeviceInfo.hdvSupport             = inDevice.IsSupported(kDeviceCanDoHDV);
    inDeviceInfo.quarterExpandSupport   = inDevice.IsSupported(kDeviceCanDoQuarterExpand);
    inDeviceInfo.colorCorrectionSupport = inDevice.IsSupported(kDeviceCanDoColorCorrection);
    inDeviceInfo.programmableCSCSupport = inDevice.IsSupported(kDeviceCanDoProgrammableCSC);
    inDeviceInfo.rgbAlphaOutputSupport  = inDevice.IsSupported(kDeviceCanDoRGBPlusAlphaOut);
    inDeviceInfo.breakoutBoxSupport     = inDevice.IsSupported(kDeviceCanDoBreakoutBox);
    inDeviceInfo.vidProcSupport         = inDevice.IsSupported(kDeviceCanDoVideoProcessing);
    inDeviceInfo.dualLinkSupport        = inDevice.IsSupported(kDeviceCanDoDualLink);
    inDeviceInfo.numDMAEngines          = UWord(inDevice.GetNumSupported(kDeviceGetNumDMAEngines));
    inDeviceInfo.pingLED                = inDevice.GetNumSupported(kDeviceGetPingLED);
    inDeviceInfo.has2KSupport           = inDevice.IsSupported(kDeviceCanDo2KVideo);
    inDeviceInfo.has4KSupport           = inDevice.IsSupported(kDeviceCanDo4KVideo);
    inDeviceInfo.has8KSupport           = inDevice.IsSupported(kDeviceCanDo8KVideo);
    inDeviceInfo.has3GLevelConversion   = inDevice.IsSupported(kDeviceCanDo3GLevelConversion);
    inDeviceInfo.isoConvertSupport      = inDevice.IsSupported(kDeviceCanDoIsoConvert);
    inDeviceInfo.rateConvertSupport     = inDevice.IsSupported(kDeviceCanDoRateConvert);
    inDeviceInfo.proResSupport          = inDevice.IsSupported(kDeviceCanDoProRes);
    inDeviceInfo.sdi3GSupport           = wgtIDs.find(NTV2_Wgt3GSDIOut1) != wgtIDs.end();
    inDeviceInfo.sdi12GSupport          = inDevice.IsSupported(kDeviceCanDo12GSDI);
    inDeviceInfo.ipSupport              = inDevice.IsSupported(kDeviceCanDoIP);
    inDeviceInfo.biDirectionalSDI       = inDevice.IsSupported(kDeviceHasBiDirectionalSDI);
    inDeviceInfo.ltcInSupport           = inDevice.GetNumSupported(kDeviceGetNumLTCInputs) > 0;
    inDeviceInfo.ltcOutSupport          = inDevice.GetNumSupported(kDeviceGetNumLTCOutputs) > 0;
    inDeviceInfo.ltcInOnRefPort         = inDevice.IsSupported(kDeviceCanDoLTCInOnRefPort);
    inDeviceInfo.stereoOutSupport       = inDevice.IsSupported(kDeviceCanDoStereoOut);
    inDeviceInfo.stereoInSupport        = inDevice.IsSupported(kDeviceCanDoStereoIn);
    inDeviceInfo.multiFormat            = inDevice.IsSupported(kDeviceCanDoMultiFormat);
    inDeviceInfo.numSerialPorts         = inDevice.GetNumSupported(kDeviceGetNumSerialPorts);
    inDeviceInfo.procAmpSupport         = false;
}
 
void CNTV2DeviceScanner::SetAudioAttributes (NTV2DeviceInfo & info, CNTV2Card & inBoard)
{
    //  Start with empty lists...
    info.audioSampleRateList.clear();
    info.audioNumChannelsList.clear();
    info.audioBitsPerSampleList.clear();
    info.audioInSourceList.clear();
    info.audioOutSourceList.clear();
 
 
    if (inBoard.GetNumSupported(kDeviceGetNumAudioSystems))
    {
        ULWord audioControl;
        inBoard.ReadRegister(kRegAud1Control, audioControl);
 
        //audioSampleRateList
        info.audioSampleRateList.push_back(k48KHzSampleRate);
        if (inBoard.IsSupported(kDeviceCanDoAudio96K))
            info.audioSampleRateList.push_back(k96KHzSampleRate);
 
        //audioBitsPerSampleList
        info.audioBitsPerSampleList.push_back(k32bitsPerSample);
 
        //audioInSourceList
        info.audioInSourceList.push_back(kSourceSDI);
        if (audioControl & BIT(21))
            info.audioInSourceList.push_back(kSourceAES);
        if (inBoard.IsSupported(kDeviceCanDoAnalogAudio))
            info.audioInSourceList.push_back(kSourceAnalog);
 
        //audioOutSourceList
        info.audioOutSourceList.push_back(kSourceAll);
 
        //audioNumChannelsList
        if (inBoard.IsSupported(kDeviceCanDoAudio2Channels))
            info.audioNumChannelsList.push_back(kNumAudioChannels2);
        if (inBoard.IsSupported(kDeviceCanDoAudio6Channels))
            info.audioNumChannelsList.push_back(kNumAudioChannels6);
        if (inBoard.IsSupported(kDeviceCanDoAudio8Channels))
            info.audioNumChannelsList.push_back(kNumAudioChannels8);
 
        info.numAudioStreams = inBoard.GetNumSupported(kDeviceGetNumAudioSystems);
    }
 
    info.numAnalogAudioInputChannels    = inBoard.GetNumSupported(kDeviceGetNumAnalogAudioInputChannels);
    info.numAESAudioInputChannels       = inBoard.GetNumSupported(kDeviceGetNumAESAudioInputChannels);
    info.numEmbeddedAudioInputChannels  = inBoard.GetNumSupported(kDeviceGetNumEmbeddedAudioInputChannels);
    info.numHDMIAudioInputChannels      = inBoard.GetNumSupported(kDeviceGetNumHDMIAudioInputChannels);
    info.numAnalogAudioOutputChannels   = inBoard.GetNumSupported(kDeviceGetNumAnalogAudioOutputChannels);
    info.numAESAudioOutputChannels      = inBoard.GetNumSupported(kDeviceGetNumAESAudioOutputChannels);
    info.numEmbeddedAudioOutputChannels = inBoard.GetNumSupported(kDeviceGetNumEmbeddedAudioOutputChannels);
    info.numHDMIAudioOutputChannels     = inBoard.GetNumSupported(kDeviceGetNumHDMIAudioOutputChannels);
 
}   //  SetAudioAttributes
 
 
bool CNTV2DeviceScanner::GetVirtualDeviceList(NTV2DeviceInfoList& outVirtualDevList)
{
#if defined(NTV2_PREVENT_PLUGIN_LOAD)
    return false;
#endif
 
    string vdevPath;
    AJASystemInfo info;
    if (info.GetValue(AJA_SystemInfoTag_Path_PersistenceStoreUser, vdevPath) != AJA_STATUS_SUCCESS)
        return false;
    vdevPath = vdevPath + "virtualdevices";
    ULWord vdIndex = ULWord(outVirtualDevList.size());
    std::vector<std::string> vdevFiles;
    AJAFileIO::ReadDirectory(vdevPath, "*.vdev", vdevFiles);
    for (const auto& vdevFile : vdevFiles)
    {
        std::ifstream cfgJsonfile(vdevFile);
        json vdevJson;
        if (cfgJsonfile.is_open())
        {
            try
            {
                vdevJson = json::parse(cfgJsonfile);
            }
            catch (const json::parse_error& e)
            {
                cerr << "JSON parse error: " << e.what() << endl;
                cerr << "Exception id: " << e.id << endl;
                cerr << "Byte position of error: " << e.byte << endl;
                return false;
            }
        }
        else
            return false;
        cfgJsonfile.close();
 
        NTV2DeviceInfo newVDev;
        newVDev.isVirtualDevice = true;
        newVDev.deviceIndex = vdIndex++;
        newVDev.deviceID = DEVICE_ID_SOFTWARE;
        newVDev.deviceIdentifier = "";
        newVDev.vdevName = "";
 
        // There are 3 special keys:
        // plugin - this is required, specifies the name of plug-in to try loading.
        // name - optional, specifies a human readable name for the virtual device,
        //        defaults to "" if not specified.
        // host - optional, host to use in the plug-in url, defaults to "localhost"
        //        if not specified.
        string hostName;
        auto pluginVal = vdevJson["plugin"];
        auto nameVal = vdevJson["name"];
        auto hostVal = vdevJson["host"];
 
        if (pluginVal.is_null())
        {
            cerr << "JSON file: '" << vdevFile << "' is missing the required paramater 'plugin'." << endl;
            continue;
        }
        newVDev.vdevUrl = pluginVal.get<std::string>();
 
        if (!nameVal.is_null())
        {
            ostringstream oss;
            oss << nameVal.get<std::string>() << " - " << newVDev.deviceIndex;
            newVDev.deviceIdentifier = oss.str();
 
            newVDev.vdevName = nameVal.get<std::string>();
        }
 
        if (!hostVal.is_null())
        {
            hostName = hostVal.get<std::string>();
        }
 
        if (hostName.empty())
        {
            hostName = "localhost";
        }
 
        newVDev.vdevUrl += "://" + hostName + "/?";
        bool isFirstParam = true;
        for (auto it = vdevJson.begin(); it != vdevJson.end(); ++it)
        {
            if (it.key() != "plugin" && it.key() != "name" && it.key() != "host")
            {
                auto paramValStr = to_string(it.value());
                aja::strip(paramValStr, "\"");
                newVDev.vdevUrl += (isFirstParam ? "" : "&") + it.key() + "=" + PercentEncode(paramValStr);
                isFirstParam = false;
            }
        }
 
        if (!newVDev.deviceIdentifier.empty())
        {
            string displayNameParam = "displayname";
            newVDev.vdevUrl += (isFirstParam ? "" : "&") + displayNameParam + "=" + PercentEncode(newVDev.deviceIdentifier);
        }
 
        outVirtualDevList.push_back(newVDev);
    }
    return true;
}
#endif  //  !defined(NTV2_DEPRECATE_17_1)