main.cpp

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/* SPDX-License-Identifier: MIT */
//  Includes
#include "ntv2overlay.h"
#include <signal.h>
#include <iostream>
#include <iomanip>

using namespace std;


//  Globals
static bool gGlobalQuit     (false);    


static void SignalHandler (int inSignal)
{
    (void) inSignal;
    gGlobalQuit = true;
}


int main (int argc, const char ** argv)
{
    char *  pDeviceSpec (AJA_NULL); //  Which device to use
    int     showVersion (0);        //  Show version?
    AJADebug::Open();

    //  Command line option descriptions:
    const struct poptOption optionsTable [] =
    {
        {"version",       0,    POPT_ARG_NONE,      &showVersion,   0,  "show version & exit",      AJA_NULL                    },
        {"device",      'd',    POPT_ARG_STRING,    &pDeviceSpec,   0,  "device to use",            "index#, serial#, or model" },
        POPT_AUTOHELP
        POPT_TABLEEND
    };
    CNTV2DemoCommon::Popt popt(argc, argv, optionsTable);
    if (!popt)
        {cerr << "## ERROR: " << popt.errorStr() << endl;  return 2;}
    if (!popt.otherArgs().empty())
        {cerr << "## WARNING: ignored argument(s): '" << aja::join(popt.otherArgs(), "', '") << "'" << endl;  return 2;}
    if (showVersion)
        {cout << argv[0] << ", NTV2 SDK " << ::NTV2Version() << endl;  return 0;}

    //  Device
    const string deviceSpec (pDeviceSpec ? pDeviceSpec : "0");
    OverlayConfig config(deviceSpec);
    config.fInputSource     = NTV2_INPUTSOURCE_SDI1;    //  Use NTV2_INPUTSOURCE_HDMI1 or NTV2_INPUTSOURCE_SDI1
    config.fPixelFormat     = NTV2_FBF_ARGB;            //  Use NTV2_FBF_8BIT_YCBCR or NTV2_FBF_ARGB
    config.fDoMultiFormat   = true;

    //  Instantiate the NTV2Overlay object...
    NTV2Overlay overlayer (config);

    //  Initialize the NTV2Burn instance...
    AJAStatus status (overlayer.Init());
    if (AJA_FAILURE(status))
        {cerr << "## ERROR:  Initialization failed, status=" << status << endl;  return 4;}

    ::signal (SIGINT, SignalHandler);
    #if defined (AJAMac)
        ::signal (SIGHUP, SignalHandler);
        ::signal (SIGQUIT, SignalHandler);
    #endif

    //  Start the burner's capture and playout threads...
    overlayer.Run();

    //  Loop until told to stop...
    ULWord counter(0);
    do
    {
        cout << setw(9) << ++counter << "\r" << flush;
        AJATime::Sleep(2000);
    } while (!gGlobalQuit); //  loop until signaled

    cout << endl;
    return 0;

}   //  main