ntv2qtmultiinput.cpp

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/* SPDX-License-Identifier: MIT */
#include "ntv2qtmultiinput.h"
#include "ntv2devicefeatures.h"
 
//
//  This array maps SDI input numbers 0 thru 3 to an NTV2InputSource...
//
static const NTV2InputSource    gInputNumberToInputSource [] =
{
    NTV2_INPUTSOURCE_SDI1,
    NTV2_INPUTSOURCE_SDI2,
    NTV2_INPUTSOURCE_SDI3,
    NTV2_INPUTSOURCE_SDI4,
    NTV2_INPUTSOURCE_SDI5,
    NTV2_INPUTSOURCE_SDI6,
    NTV2_INPUTSOURCE_SDI7,
    NTV2_INPUTSOURCE_SDI8,
 
};
 
 
NTV2QtMultiInput::NTV2QtMultiInput (QWidget * parent, Qt::WindowFlags flags)
    :   QDialog         (parent, flags)
{
    ULWord              initialBoardIndex   (0);
    CNTV2DeviceScanner  deviceScanner;
    const ULWord        numDevicesFound     (ULWord(deviceScanner.GetNumDevices()));
 
    ::memset (mDeviceInputCounts, 0, sizeof (mDeviceInputCounts));
    ::memset (mFrameGrabbers, 0, sizeof (mFrameGrabbers));
 
    //
    //  Build the device selector popup menu...
    //
    mDeviceChoicePopupMenu = new QComboBox;
    if (numDevicesFound == 0)
        mDeviceChoicePopupMenu->addItem (tr ("No Devices Found"));
    else
    {
        NTV2DeviceInfoList & boardList  (deviceScanner.GetDeviceInfoList ());
        for (NTV2DeviceInfoListConstIter iter (boardList.begin ());  iter != boardList.end ();  iter++)
        {
            mDeviceInputCounts [iter->deviceIndex] = ::NTV2DeviceGetNumVideoInputs (iter->deviceID);
            mDeviceChoicePopupMenu->addItem (tr (iter->deviceIdentifier.c_str ()));
        }   //   for each AJA device found
    }   //  else at least one AJA device found
 
    //
    //  Default to the first quad-input device (if any)...
    //
    uint32_t numInputs = 4;
 
    for (ULWord ndx (0);  ndx < numDevicesFound;  ndx++)
        if (mDeviceInputCounts [ndx] == 8)
            numInputs = 8;  //  NOTE: hardcode for now
    initialBoardIndex = 0;
    QObject::connect (mDeviceChoicePopupMenu, SIGNAL (currentIndexChanged (int)), this, SLOT (RequestDeviceChange (const int)));
    mDeviceChoicePopupMenu->setCurrentIndex (initialBoardIndex);
 
    //
    //  Set up each of the preview widgets and frame grabber threads...
    //
    QSignalMapper * signalMapper = new QSignalMapper (this);
    for (uint32_t inputNumber = 0;  inputNumber < numInputs;  inputNumber++)
    {
        mPreviewGroupBoxes [inputNumber] = new QGroupBox (this);
 
        mPreviewWidgets [inputNumber] = new AJAPreviewWidget (this);
        mPreviewWidgets [inputNumber]->setMinimumWidth  (AJAPREVIEW_WIDGET_X / (numInputs/2));
        mPreviewWidgets [inputNumber]->setMinimumHeight  (AJAPREVIEW_WIDGET_Y / (numInputs/2));
        mPreviewWidgets [inputNumber]->setSizePolicy(QSizePolicy ::Expanding, QSizePolicy ::Expanding);
 
        mFrameGrabbers [inputNumber] = new NTV2FrameGrabber (this);
        mInputLabels [inputNumber] = new QLabel("",this);
        mWithAudioCheckBoxes [inputNumber] = new QCheckBox ("Audio", this);
        signalMapper->setMapping (mWithAudioCheckBoxes [inputNumber], inputNumber);
        #if defined (INCLUDE_AJACC)
            mWithCaptionsCheckBoxes [inputNumber] = new QCheckBox ("CC", this);
        #endif
 
        QVBoxLayout * layout = new QVBoxLayout;
        layout->addWidget (mPreviewWidgets [inputNumber]);
        layout->addWidget (mInputLabels [inputNumber]);
 
        QHBoxLayout *   bottomLayout        (new QHBoxLayout);
        bottomLayout->setContentsMargins (0, 0, 0, 0);
        bottomLayout->addWidget (mWithAudioCheckBoxes [inputNumber]);
        #if defined (INCLUDE_AJACC)
            bottomLayout->addWidget (mWithCaptionsCheckBoxes [inputNumber]);
        #endif
        layout->addLayout (bottomLayout);
 
        mPreviewGroupBoxes [inputNumber]->setLayout (layout);
 
        connect (mFrameGrabbers [inputNumber], SIGNAL (newFrame (const QImage &, bool)),
                    mPreviewWidgets [inputNumber], SLOT (updateFrame (const QImage &, bool)));
 
        connect (mFrameGrabbers [inputNumber], SIGNAL (newStatusString (const QString)),
            mInputLabels [inputNumber], SLOT (setText (const QString)));
 
        connect (mWithAudioCheckBoxes [inputNumber], SIGNAL (clicked ()), signalMapper, SLOT (map ()));
        #if defined (INCLUDE_AJACC)
            //connect (mWithCaptionsCheckBoxes [inputNumber], SIGNAL (clicked ()), signalMapper, SLOT (map ()));
        #endif
    }   //  for each video input
 
    //
    //  Map all "with audio" checkbox clicks to a single handler...
    //
#if (QT_VERSION >= QT_VERSION_CHECK(6, 0, 0))
    connect (signalMapper, SIGNAL (mappedInt (int)), this, SLOT (SlotAudioCheckBox (int)));
#else
    connect (signalMapper, SIGNAL (mapped (int)), this, SLOT (SlotAudioCheckBox (int)));
#endif
 
    //
    //  Lay out everything...
    //
    QGridLayout * glayout = new QGridLayout;
    if (numInputs == 4)
    {
        glayout->addWidget (mPreviewGroupBoxes [0], 0, 0);
        glayout->addWidget (mPreviewGroupBoxes [1], 0, 1);
        glayout->addWidget (mPreviewGroupBoxes [2], 1, 0);
        glayout->addWidget (mPreviewGroupBoxes [3], 1, 1);
    }
    else
    {
        glayout->addWidget (mPreviewGroupBoxes [0], 0, 0);
        glayout->addWidget (mPreviewGroupBoxes [1], 0, 1);
        glayout->addWidget (mPreviewGroupBoxes [2], 0, 2);
        glayout->addWidget (mPreviewGroupBoxes [3], 0, 3);
        glayout->addWidget (mPreviewGroupBoxes [4], 1, 0);
        glayout->addWidget (mPreviewGroupBoxes [5], 1, 1);
        glayout->addWidget (mPreviewGroupBoxes [6], 1, 2);
        glayout->addWidget (mPreviewGroupBoxes [7], 1, 3);
    }
 
    QVBoxLayout * vlayout = new QVBoxLayout;
    vlayout->addWidget (mDeviceChoicePopupMenu);
    vlayout->addLayout (glayout);
 
    setLayout (vlayout);
 
 
    //
    //  Set up the frame grabber threads...
    //
    for (uint32_t inputNumber (0);  inputNumber < numInputs;  inputNumber++)
    {
        mFrameGrabbers [inputNumber]->SetInputSource (gInputNumberToInputSource [inputNumber]);
        mFrameGrabbers [inputNumber]->SetWithAudio (false);
        mFrameGrabbers [inputNumber]->start ();
    }
 
    RequestDeviceChange (initialBoardIndex);
 
}   //  constructor
 
 
NTV2QtMultiInput::~NTV2QtMultiInput ()
{
    qDebug ("## NOTE:  Leaving");
}
 
 
void NTV2QtMultiInput::SlotAudioCheckBox (const int inputNum)
{
    mFrameGrabbers [inputNum]->SetWithAudio (mWithAudioCheckBoxes [inputNum]->isChecked ());
}
 
 
void NTV2QtMultiInput::SlotCaptionsCheckBox (const int inputNum)
{
    (void) inputNum;
    //mFrameGrabbers [inputNum]->changeCaptionChannel (mWithAudioCheckBoxes [inputNum]->isChecked () ? NTV2_CC608_CC1 : NTV2_CC608_ChannelInvalid);
}
 
 
void NTV2QtMultiInput::RequestDeviceChange (const int inDeviceIndexNum)
{
    //  Get the board number and type...
    CNTV2DeviceScanner  scanner;
    if (scanner.GetNumDevices ())
    {
        NTV2DeviceInfo  deviceInfo  (scanner.GetDeviceInfoList () [inDeviceIndexNum]);
 
        //  Notify each frame grabber to change devices...
        for (uint32_t inputNumber (0);  inputNumber < mDeviceInputCounts [inDeviceIndexNum];  inputNumber++)
            if (mFrameGrabbers [inputNumber])
                mFrameGrabbers [inputNumber]->SetDeviceIndex (deviceInfo.deviceIndex);
        qDebug ("## NOTE:  Device changed to %d", inDeviceIndexNum);
    }
 
}   //  RequestDeviceChange