main.cpp

Go to the documentation of this file.

/* SPDX-License-Identifier: MIT */
//  Includes
#include "ntv2fieldburn.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
    char *          pInputSrcSpec   (AJA_NULL);     //  SDI source spec
    char *          pPixelFormat    (AJA_NULL);     //  Pixel format spec
    int             doMultiFormat   (0);            //  MultiFormat mode?
    int             showVersion     (0);            //  Show version?
    int             noAudio         (0);            //  Disable audio?
    int             noFieldMode     (0);            //  Disable AutoCirculate Field Mode?
    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" },
        {"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"     },
        {"input",       'i',    POPT_ARG_STRING,    &pInputSrcSpec, 0,  "SDI input to use",         "1-8, ?=list"               },
        {"noaudio",     0,      POPT_ARG_NONE,      &noAudio,       0,  "disable audio?",           AJA_NULL                    },
        {"nofield",     0,      POPT_ARG_NONE,      &noFieldMode,   0,  "disables field mode",      AJA_NULL                    },
        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;
 
    BurnConfig config(deviceSpec);
 
    //  Input source
    const string inputSourceStr (pInputSrcSpec ? CNTV2DemoCommon::ToLower(string(pInputSrcSpec)) : "");
    const string legalSources (CNTV2DemoCommon::GetInputSourceStrings(NTV2_IOKINDS_ALL, pDeviceSpec ? deviceSpec : ""));
    config.fInputSource = CNTV2DemoCommon::GetInputSourceFromString(inputSourceStr, NTV2_IOKINDS_ALL, pDeviceSpec ? deviceSpec : "");
    if (inputSourceStr == "?" || inputSourceStr == "list")
        {cout << legalSources << endl;  return 0;}
    if (!inputSourceStr.empty()  &&  !NTV2_IS_VALID_INPUT_SOURCE(config.fInputSource))
        {cerr << "## ERROR:  Input source '" << inputSourceStr << "' not one of:" << endl << legalSources << endl;  return 1;}
 
    //  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;
    }
 
    config.fDoMultiFormat   = doMultiFormat ? true : false;
    config.fSuppressAudio   = noAudio ? true : false;
    config.fIsFieldMode     = noFieldMode ? false : true;
    config.fTimecodeSource  = ::NTV2ChannelToTimecodeIndex(::NTV2InputSourceToChannel(config.fInputSource));
 
    //  Instantiate the NTV2FieldBurn object...
    NTV2FieldBurn burner (config);
 
    ::signal (SIGINT, SignalHandler);
    #if defined (AJAMac)
        ::signal (SIGHUP, SignalHandler);
        ::signal (SIGQUIT, SignalHandler);
    #endif
    const string    hdg1 ("           Capture  Playout  Capture  Playout"),
                    hdg2a("   Fields   Fields   Fields   Buffer   Buffer"),
                    hdg2b("   Frames   Frames   Frames   Buffer   Buffer"),
                    hdg3 ("Processed  Dropped  Dropped    Level    Level"),
                    hdg2 (noFieldMode ? hdg2b : hdg2a);
 
    //  Initialize the NTV2FieldBurn instance...
    AJAStatus status (burner.Init());
    if (AJA_FAILURE (status))
        {cerr << "## ERROR:  Initialization failed, status=" << status << endl;  return 4;}
 
    //  Start the burner's capture and playout threads...
    burner.Run();
 
    //  Loop until told to stop...
    cout << hdg1 << endl << hdg2 << endl << hdg3 << endl;
    do
    {
        ULWord  totalFrames(0),  inputDrops(0),  outputDrops(0),  inputBufferLevel(0), outputBufferLevel(0);
        burner.GetStatus (totalFrames, inputDrops, outputDrops, inputBufferLevel, outputBufferLevel);
        cout    << setw(9) << totalFrames << setw(9) << inputDrops << setw(9) << outputDrops
                << setw(9) << inputBufferLevel << setw(9) << outputBufferLevel << "\r" << flush;
        AJATime::Sleep(2000);
    } while (!gGlobalQuit); //  loop until signaled
 
    cout << endl;
    return 0;
 
}   //  main