main.cpp

Go to the documentation of this file.

/* SPDX-License-Identifier: MIT */
//  Includes
#include "ntv2streamplayer.h"
#include <signal.h>


using namespace std;


//  Globals
static bool gGlobalQuit (false);    //  Set this "true" to exit gracefully


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


int main (int argc, const char ** argv)
{
    char *          pDeviceSpec     (AJA_NULL);     //  Device specifier string, if any
    char *          pPixelFormat    (AJA_NULL);     //  Pixel format argument
    char *          pFramesSpec     (AJA_NULL);     //  AutoCirculate frames spec
    char *          pAncFilePath    (AJA_NULL);     //  Anc data filepath to play
    char *          pVideoFormat    (AJA_NULL);     //  Video format to use
    int             channelNumber   (1);            //  Channel/FrameStore to use
    int             doMultiFormat   (0);            //  MultiFormat mode?
    int             showVersion     (0);            //  Show version?
    AJADebug::Open();

    //  Command line option descriptions:
    const CNTV2DemoCommon::PoptOpts 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" },
        {"channel",     'c',    POPT_ARG_INT,       &channelNumber, 0,  "channel to use",           "1-8"                       },
        {"multiFormat", 'm',    POPT_ARG_NONE,      &doMultiFormat, 0,  "use multi-format/channel", AJA_NULL                    },
        {"pixelFormat", 'p',    POPT_ARG_STRING,    &pPixelFormat,  0,  "pixel format to use",      "'?' or 'list' to list"     },
        {"frames",        0,    POPT_ARG_STRING,    &pFramesSpec,   0,  "frames to Stream",         "num[@min] or min-max"      },
        {"videoFormat", 'v',    POPT_ARG_STRING,    &pVideoFormat,  0,  "video format to produce",  "'?' or 'list' to list"     },
        POPT_AUTOHELP
        POPT_TABLEEND
    };
    CNTV2DemoCommon::Popt popt(argc, argv, optionsTable);
    if (!popt)
        {cerr << "## ERROR: " << popt.errorStr() << endl;  return 2;}
    if (showVersion)
        {cout << argv[0] << ", NTV2 SDK " << ::NTV2Version() << endl;  return 0;}

    //  Device
    const string deviceSpec (pDeviceSpec ? pDeviceSpec : "0");
    if (!CNTV2DemoCommon::IsValidDevice(deviceSpec))
        return 1;

    PlayerConfig config(deviceSpec);

    //  Channel
    if ((channelNumber < 1)  ||  (channelNumber > 8))
        {cerr << "## ERROR:  Invalid channel number " << channelNumber << " -- expected 1 thru 8" << endl;  return 1;}
    config.fOutputChannel = NTV2Channel(channelNumber - 1);

    //  VideoFormat
    const string videoFormatStr (pVideoFormat  ?  pVideoFormat  :  "");
    config.fVideoFormat = videoFormatStr.empty()    ?   NTV2_FORMAT_1080i_5994
                                                    :   CNTV2DemoCommon::GetVideoFormatFromString(videoFormatStr, VIDEO_FORMATS_ALL);
    if (videoFormatStr == "?"  ||  videoFormatStr == "list")
        {cout   << CNTV2DemoCommon::GetVideoFormatStrings(VIDEO_FORMATS_ALL, pDeviceSpec ? deviceSpec : "") << endl;  return 0;}
    else if (!videoFormatStr.empty()  &&  config.fVideoFormat == NTV2_FORMAT_UNKNOWN)
    {   cerr    << "## ERROR:  Invalid '--videoFormat' value '" << videoFormatStr << "' -- expected values:" << endl
                << CNTV2DemoCommon::GetVideoFormatStrings(VIDEO_FORMATS_ALL, deviceSpec) << endl;
        return 2;
    }

    //  Pixel Format
    const string pixelFormatStr (pPixelFormat  ?  pPixelFormat  :  "");
    config.fPixelFormat = pixelFormatStr.empty() ? NTV2_FBF_8BIT_YCBCR : CNTV2DemoCommon::GetPixelFormatFromString(pixelFormatStr);
    if (pixelFormatStr == "?"  ||  pixelFormatStr == "list")
        {cout << CNTV2DemoCommon::GetPixelFormatStrings(PIXEL_FORMATS_ALL, pDeviceSpec ? deviceSpec : "") << endl;  return 0;}
    else if (!pixelFormatStr.empty()  &&  !NTV2_IS_VALID_FRAME_BUFFER_FORMAT(config.fPixelFormat))
    {
        cerr    << "## ERROR:  Invalid '--pixelFormat' value '" << pixelFormatStr << "' -- expected values:" << endl
                << CNTV2DemoCommon::GetPixelFormatStrings(PIXEL_FORMATS_ALL, deviceSpec) << endl;
        return 2;
    }

    //  AutoCirculate Frames
    static const string legalFramesSpec ("{frameCount}[@{firstFrameNum}]  or  {firstFrameNum}-{lastFrameNum}");
    const string framesSpec (pFramesSpec ? pFramesSpec : "");
    if (!framesSpec.empty())
    {
        const string parseResult(config.fFrames.setFromString(framesSpec));
        if (!parseResult.empty())
            {cerr << "## ERROR:  Bad 'frames' spec '" << framesSpec << "'\n## " << parseResult << endl;  return 1;}
    }
    if (!config.fFrames.valid())
        {cerr << "## ERROR:  Bad 'frames' spec '" << framesSpec << "'\n## Expected " << legalFramesSpec << endl;  return 1;}

    //  Anc Playback
    string ancFilePath (pAncFilePath ? pAncFilePath : "");
    ancFilePath = aja::strip(ancFilePath);

    config.fAncDataFilePath     = ancFilePath;
    config.fOutputDest          = ::NTV2ChannelToOutputDestination(config.fOutputChannel);
    config.fSuppressAudio       = true;
    config.fSuppressVideo       = false;
    config.fDoMultiFormat       = doMultiFormat ? true  : false;            //  Multiformat mode?
    config.fTransmitLTC         = false;

    //  Instantiate and initialize the NTV2StreamPlayer object...
    NTV2StreamPlayer player(config);
    AJAStatus status = player.Init();
    if (AJA_FAILURE(status))
        {cout << "## ERROR:  Initialization failed: " << ::AJAStatusToString(status) << endl;   return 1;}

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

    //  Run it...
    player.Run();

    cout    << "   Active   Repeat    Queue" << endl
            << "    Count    Count    Depth" << endl;
    do
    {   //  Poll its status until stopped...
        NTV2StreamChannel strStatus;
        player.GetStreamStatus(strStatus);
        cout    << setw(9) << strStatus.mActiveCount
                << setw(9) << strStatus.mRepeatCount
                << setw(9) << strStatus.GetQueueDepth() << "\r" << flush;
        AJATime::Sleep(2000);
    } while (player.IsRunning() && !gGlobalQuit);   //  loop til done

    cout << endl;
    return 0;

}   //  main