main.cpp

Go to the documentation of this file.

/* SPDX-License-Identifier: MIT */
//  Includes
#include "ajatypes.h"
#include "ajabase/common/options_popt.h"
#include "ntv2burn4kquadrant.h"
#include <signal.h>
#include <iostream>
#include <iomanip>
 
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);     //  Which device to use for input
    char *          pOutDevSpec     (AJA_NULL);     //  Which device to use for output
    char *          pTcSource       (AJA_NULL);     //  Time code source string
    char *          pPixelFormat    (AJA_NULL);     //  Pixel format spec
    int             showVersion     (0);            //  Show version?
    int             noAudio         (0);            //  Disable audio?
    AJADebug::Open();
 
    //  Command line option descriptions:
    const struct poptOption optionsTable [] =
    {
        {"version",       0,    POPT_ARG_NONE,      &showVersion,   0,  "show version & exit",  AJA_NULL                    },
        {"input",       'i',    POPT_ARG_STRING,    &pDeviceSpec,   0,  "input device to use",  "index#, serial#, or model" },
        {"output",      'o',    POPT_ARG_STRING,    &pOutDevSpec,   0,  "output device",        "index#, serial#, or model" },
        {"tcsource",    't',    POPT_ARG_STRING,    &pTcSource,     0,  "time code source",     "'?' to list"               },
        {"noaudio",     0,      POPT_ARG_NONE,      &noAudio,       0,  "disable audio?",       AJA_NULL                    },
        {"pixelFormat", 'p',    POPT_ARG_STRING,    &pPixelFormat,  0,  "pixel format to use",  "'?' 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;
 
    BurnConfig config (deviceSpec);
 
    //  Devices
    config.fDeviceSpec2 = pOutDevSpec ? pOutDevSpec : "1";
    if (!CNTV2DemoCommon::IsValidDevice(config.fDeviceSpec2))
        {cout << "## ERROR:  No such output device '" << config.fDeviceSpec2 << "'" << 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, 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;
    }
 
    //  Timecode source...
    const string    legalTCSources(CNTV2DemoCommon::GetTCIndexStrings(TC_INDEXES_ALL, deviceSpec));
    const string    tcSourceStr     (pTcSource ? CNTV2DemoCommon::ToLower(pTcSource) : "");
    if (tcSourceStr == "?"  ||  tcSourceStr == "list")
        {cout << legalTCSources << endl;  return 0;}
    if (!tcSourceStr.empty())
    {
        config.fTimecodeSource = CNTV2DemoCommon::GetTCIndexFromString(tcSourceStr);
        if (!NTV2_IS_VALID_TIMECODE_INDEX(config.fTimecodeSource))
            {cerr << "## ERROR:  Timecode source '" << tcSourceStr << "' not one of these:" << endl << legalTCSources << endl;  return 1;}
    }
 
    config.fSuppressAudio   = noAudio ? true  : false;
    config.fInputFrames.setCountOnly(5);
    config.fOutputFrames.setCountOnly(5);
 
    //  Instantiate the NTV2Burn4KQuadrant object...
    NTV2Burn4KQuadrant burner (config);
 
    ::signal (SIGINT, SignalHandler);
    #if defined (AJAMac)
        ::signal (SIGHUP, SignalHandler);
        ::signal (SIGQUIT, SignalHandler);
    #endif
 
    //  Initialize the NTV2Burn4KQuadrant 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 someone tells us to stop...
    cout    << "           Capture  Playout  Capture  Playout" << endl
            << "   Frames   Frames   Frames   Buffer   Buffer" << endl
            << "Processed  Dropped  Dropped    Level    Level" << endl;
    do
    {
        AUTOCIRCULATE_STATUS inputStatus, outputStatus;
        burner.GetACStatus (inputStatus, outputStatus);
        cout    << setw(9) << inputStatus.acFramesProcessed
                << setw(9) << inputStatus.acFramesDropped
                << setw(9) << outputStatus.acFramesDropped
                << setw(9) << inputStatus.acBufferLevel
                << setw(9) << outputStatus.acBufferLevel
                << "\r" << flush;
        AJATime::Sleep(1000);
    } while (!gGlobalQuit); //  loop until signaled
 
    cout << endl;
    return 0;
 
}   //  main