ntv2encodehevcvif.cpp

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/* SPDX-License-Identifier: MIT */
#include <stdio.h>
 
#include "ntv2encodehevcvif.h"
#include "ntv2utils.h"
#include "ntv2formatdescriptor.h"
#include "ntv2devicefeatures.h"
#include "ajabase/system/process.h"
#include "ajabase/system/systemtime.h"
 
using namespace std;
 
#define NTV2_AUDIOSIZE_MAX      (401 * 1024)
 
#define NUM_OVERLAY_BARS        12
//static const uint32_t sOverlayBar0[] = {
//  0xc00000c0, 0x00000000, 0xc000c000, 0x00000000, 0xc0c00000, 0x00000000,
//  0xc0c000c0, 0x00000000, 0xc0c0c000, 0x00000000, 0xc000c0c0, 0x00000000,
//  0xc00000c0, 0x00000000, 0xc000c000, 0x00000000, 0xc0c00000, 0x00000000,
//  0xc0c000c0, 0x00000000, 0xc0c0c000, 0x00000000, 0xc000c0c0, 0x00000000 };
static const uint32_t sOverlayBar0[] = {
    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 };
static const uint32_t sOverlayBar1[] = {
    0x00000000, 0xc00000c0, 0x00000000, 0xc000c000, 0x00000000, 0xc0c00000,
    0x00000000, 0xc0c000c0, 0x00000000, 0xc0c0c000, 0x00000000, 0xc000c0c0,
    0x00000000, 0xc00000c0, 0x00000000, 0xc000c000, 0x00000000, 0xc0c00000,
    0x00000000, 0xc0c000c0, 0x00000000, 0xc0c0c000, 0x00000000, 0xc000c0c0 };
//static const uint32_t sOverlayBar1[] = {
//  0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
//  0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
//  0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
//  0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 };
 
 
NTV2EncodeHEVCVif::NTV2EncodeHEVCVif (const string              inDeviceSpecifier,
                                const M31VideoPreset        inPreset,
                                const NTV2FrameBufferFormat inPixelFormat,
                                const uint32_t              inAudioChannels,
                                const bool                  inInfoData,
                                const uint32_t              inMaxFrames)
 
:   mACInputThread          (AJAThread()),
    mCodecHevcThread        (AJAThread()),
    mAVFileThread           (AJAThread()),
    mM31                    (AJA_NULL),
    mHevcCommon             (AJA_NULL),
    mDeviceID               (DEVICE_ID_NOTFOUND),
    mDeviceSpecifier        (inDeviceSpecifier),
    mWithAudio              (inAudioChannels != 0),
    mInputChannel           (NTV2_CHANNEL1),
    mOutputChannel          (NTV2_CHANNEL5),
    mEncodeChannel          (M31_CH0),
    mPreset                 (inPreset),
    mInputSource            (NTV2_INPUTSOURCE_SDI1),
    mInputFormat            (NTV2_MAX_NUM_VIDEO_FORMATS),
    mVideoFormat            (NTV2_MAX_NUM_VIDEO_FORMATS),
    mCapturePixelFormat     (NTV2_FBF_8BIT_YCBCR),
    mOverlayPixelFormat     (NTV2_FBF_ABGR),
    mCodecPixelFormat       (inPixelFormat),
    mWithInfo               (inInfoData),
    mAudioSystem            (NTV2_AUDIOSYSTEM_1),
    mSavedTaskMode          (NTV2_STANDARD_TASKS),
    mNumAudioChannels       (0),
    mFileAudioChannels      (inAudioChannels),
    mMaxFrames              (inMaxFrames),
    mLastFrame              (false),
    mLastFrameInput         (false),
    mLastFrameHevc          (false),
    mLastFrameVideo         (false),
    mGlobalQuit             (false),
    mFrameData              (AJA_NULL),
    mSilentBuffer           (AJA_NULL),
    mVideoInputFrameCount   (0),        
    mCodecHevcFrameCount    (0),
    mAVFileFrameCount       (0),
    mRawFrameCount          (0),
    mInfoFrameCount         (0),
    mOverlayIndex           (0)
{
    ::memset (mACInputBuffer, 0x0, sizeof (mACInputBuffer));
    ::memset (mVideoHevcBuffer, 0x0, sizeof (mVideoHevcBuffer));
    ::memset (&mOverlayBuffer, 0, sizeof (mOverlayBuffer));
    ::memset (&mOverlayFrame, 0, sizeof (mOverlayFrame));
 
}   //  constructor
 
 
NTV2EncodeHEVCVif::~NTV2EncodeHEVCVif ()
{
    //  Stop my capture and consumer threads, then destroy them...
    Quit ();
    
    // unsubscribe from input vertical event...
    mDevice.UnsubscribeInputVerticalEvent (mInputChannel);
 
    // free all my buffers...
    for (unsigned bufferNdx = 0; bufferNdx < VIDEO_RING_SIZE; bufferNdx++)
    {
        if (mACInputBuffer[bufferNdx].pVideoBuffer)
        {
            delete [] mACInputBuffer[bufferNdx].pVideoBuffer;
            mACInputBuffer[bufferNdx].pVideoBuffer = AJA_NULL;
        }
        if (mACInputBuffer[bufferNdx].pInfoBuffer)
        {
            delete [] mACInputBuffer[bufferNdx].pInfoBuffer;
            mACInputBuffer[bufferNdx].pInfoBuffer = AJA_NULL;
        }
        if (mACInputBuffer[bufferNdx].pAudioBuffer)
        {
            delete [] mACInputBuffer[bufferNdx].pAudioBuffer;
            mACInputBuffer[bufferNdx].pAudioBuffer = AJA_NULL;
        }
 
        if (mVideoHevcBuffer[bufferNdx].pVideoBuffer)
        {
            delete [] mVideoHevcBuffer[bufferNdx].pVideoBuffer;
            mVideoHevcBuffer[bufferNdx].pVideoBuffer = AJA_NULL;
        }
        if (mVideoHevcBuffer[bufferNdx].pInfoBuffer)
        {
            delete [] mVideoHevcBuffer[bufferNdx].pInfoBuffer;
            mVideoHevcBuffer[bufferNdx].pInfoBuffer = AJA_NULL;
        }
        if (mVideoHevcBuffer[bufferNdx].pAudioBuffer)
        {
            delete [] mVideoHevcBuffer[bufferNdx].pAudioBuffer;
            mVideoHevcBuffer[bufferNdx].pAudioBuffer = AJA_NULL;
        }
    }
 
    if (mSilentBuffer != AJA_NULL)
    {
        delete [] mSilentBuffer;
        mSilentBuffer = AJA_NULL;
    }
    if (mOverlayBuffer[0] != AJA_NULL)
    {
        delete [] mOverlayBuffer[0];
        mOverlayBuffer[0] = AJA_NULL;
    }
    if (mOverlayBuffer[1] != AJA_NULL)
    {
        delete [] mOverlayBuffer[1];
        mOverlayBuffer[1] = AJA_NULL;
    }
 
} // destructor
 
 
void NTV2EncodeHEVCVif::Quit (void)
{
    if (mM31 && !mLastFrame && !mGlobalQuit)
    {
        //  Set the last frame flag to start the quit process
        mLastFrame = true;
 
        //  Stop the encoder stream
        if (!mM31->ChangeEHState(Hevc_EhState_ReadyToStop, mEncodeChannel))
            { cerr << "## ERROR:  ChangeEHState ready to stop failed" << endl; }
 
        //  Wait for the last frame to be written to disk
        int i;
        int timeout = 300;
        for (i = 0; i < timeout; i++)
        {
            if (mLastFrameVideo) break;
            AJATime::Sleep (10);
        }
        if (i == timeout)
            { cerr << "## ERROR:  Wait for last frame timeout" << endl; }
 
        if (!mM31->ChangeEHState(Hevc_EhState_Stop, mEncodeChannel))
            { cerr << "## ERROR:  ChangeEHState stop failed" << endl; }
 
        //  Stop the video input stream
        if (!mM31->ChangeVInState(Hevc_VinState_Stop, mEncodeChannel))
            { cerr << "## ERROR:  ChangeVInState stop failed" << endl; }
 
        //  Now go to the init state
        if (!mM31->ChangeMainState(Hevc_MainState_Init, Hevc_EncodeMode_Single))
        { cerr << "## ERROR:  ChangeMainState to init failed" << endl; }
    }
 
    //  Stop the worker threads
    mGlobalQuit = true;
 
    while (mACInputThread.Active())
        AJATime::Sleep(10);
 
    while (mCodecHevcThread.Active())
        AJATime::Sleep(10);
 
    while (mAVFileThread.Active())
        AJATime::Sleep(10);
 
    //  Stop video capture
    mDevice.SetMode(mInputChannel, NTV2_MODE_DISPLAY, false);
 
    //  Release board
    mDevice.ReleaseStreamForApplication (kDemoAppSignature, static_cast<int32_t>(AJAProcess::GetPid()));
    mDevice.SetEveryFrameServices (mSavedTaskMode);     //  Restore prior task mode
 
    //  Close output files
    mHevcCommon->CloseHevcFile();
    mHevcCommon->CloseRawFile();
    if (mWithInfo)
        mHevcCommon->CloseEncFile();
    if (mWithAudio)
        mHevcCommon->CloseAiffFile();
 
}   //  Quit
 
 
AJAStatus NTV2EncodeHEVCVif::Init (void)
{
    AJAStatus   status  (AJA_STATUS_SUCCESS);
    
    //  Open the device...
    if (!CNTV2DeviceScanner::GetFirstDeviceFromArgument (mDeviceSpecifier, mDevice))
    { cerr << "## ERROR:  Device '" << mDeviceSpecifier << "' not found" << endl;  return AJA_STATUS_OPEN; }
    
    //  Grab board in a shared environment
    if (!mDevice.AcquireStreamForApplication (kDemoAppSignature, static_cast<int32_t>(AJAProcess::GetPid())))
        return AJA_STATUS_BUSY;                         //  Another app is using the device
    mDevice.GetEveryFrameServices (mSavedTaskMode);     //  Save the current state before we change it
    mDevice.SetEveryFrameServices (NTV2_OEM_TASKS);     //  Since this is an OEM demo, use the OEM service level
    
    mDeviceID = mDevice.GetDeviceID ();                 //  Keep the device ID handy, as it's used frequently
    
    // Make sure this device has an M31
    if (!NTV2DeviceHasHEVCM31 (mDeviceID))
    {
        cerr << "## ERROR:  M31 not found" << endl;
        return AJA_STATUS_FAIL;
    }
 
    // Allocate our M31 helper class and our HEVC common class
    mM31 = new CNTV2m31 (&mDevice);
    mHevcCommon = new CNTV2DemoHevcCommon ();
    
    if ((mM31 == AJA_NULL) || (mHevcCommon == AJA_NULL))
    {
        return AJA_STATUS_FAIL;
    }
    
    //  Preset specification takes precedence
    if (mPreset < M31_NUMVIDEOPRESETS)
    {
        // This class only handles vif based presets so make sure they didn't pass in a file one
        if (!CNTV2m31::IsPresetVIF(mPreset))
            return AJA_STATUS_FAIL;
        
        //  Get NTV2 formats to match codec preset
        mInputFormat = CNTV2m31::GetPresetVideoFormat(mPreset);
        mCodecPixelFormat = CNTV2m31::GetPresetFrameBufferFormat(mPreset);
    }
    //  Otherwise use the pixel format and SDI input format
    else if (mCodecPixelFormat >= NTV2_FBF_NUMFRAMEBUFFERFORMATS)
    {
         mCodecPixelFormat = NTV2_FBF_8BIT_YCBCR_420PL2;
    }
 
    //  When video format is unknown determine from SDI input
    if (mInputFormat >= NTV2_MAX_NUM_VIDEO_FORMATS)
    {
        bool is3Gb = false;
        mDevice.GetSDIInput3GbPresent (is3Gb, mInputChannel);
 
        //  Get SDI input format
        status = mHevcCommon->DetermineInputFormat(mDevice.GetSDIInputVideoFormat(mInputChannel, is3Gb), true, mInputFormat);
        if (AJA_FAILURE(status))
            return status;
 
        //  Get codec preset for input format
        if(!CNTV2m31::ConvertVideoFormatToPreset(mInputFormat, mCodecPixelFormat, true, mPreset))
            return AJA_STATUS_FAIL;
    }
 
    // Capture format is scaled HD
    switch (mInputFormat)
    {
    case NTV2_FORMAT_4x1920x1080p_5000: mVideoFormat = NTV2_FORMAT_1080p_5000_A; break;
    case NTV2_FORMAT_4x1920x1080p_5994: mVideoFormat = NTV2_FORMAT_1080p_5994_A; break;
    case NTV2_FORMAT_4x1920x1080p_6000: mVideoFormat = NTV2_FORMAT_1080p_6000_A; break;
    default:
        return AJA_STATUS_FAIL;
    }
 
    //  Setup the circular buffers
    SetupHostBuffers ();
  
    //  Setup frame buffer
    status = SetupVideo ();
    if (AJA_FAILURE (status))
        return status;
 
    //  Setup audio buffer
    status = SetupAudio ();
    if (AJA_FAILURE (status))
        return status;
 
    //  Route input signals
    RouteInputSignal ();
 
    //  Setup to capture video/audio/anc input
    SetupAutoCirculate ();
 
    //  Setup codec
    status = mHevcCommon->SetupHEVC (mM31, mPreset, mEncodeChannel, false, mWithInfo);
    if (AJA_FAILURE (status))
        return status;
 
    //  Create encoded video output file
    status = mHevcCommon->CreateHevcFile ("raw.hevc", mMaxFrames);
    if (AJA_FAILURE (status))
        return status;
 
    //  Create rw video output file
    status = mHevcCommon->CreateRawFile ("raw.yuv", mMaxFrames);
    if (AJA_FAILURE (status))
        return status;
 
    if (mWithInfo)
    {
        //  Create encoded data output file
        status = mHevcCommon->CreateEncFile ("raw.txt", mMaxFrames);
        if (AJA_FAILURE (status))
            return status;
    }
 
    if (mWithAudio)
    {
        //  Create audio output file
        status = mHevcCommon->CreateAiffFile ("raw.aiff", mFileAudioChannels, mMaxFrames, NTV2_AUDIOSIZE_MAX);
        if (AJA_FAILURE (status))
            return status;
    }
 
    return AJA_STATUS_SUCCESS;
 
}   //  Init
 
 
M31VideoPreset  NTV2EncodeHEVCVif::GetCodecPreset (void)
{
    return mPreset;
}
    
    
AJAStatus NTV2EncodeHEVCVif::SetupAudio (void)
{
    //  Have the audio system capture audio from the designated device input (i.e., ch1 uses SDIIn1, ch2 uses SDIIn2, etc.)...
    mDevice.SetAudioSystemInputSource (mAudioSystem, NTV2_AUDIO_EMBEDDED, ::NTV2ChannelToEmbeddedAudioInput (mInputChannel));
 
    mNumAudioChannels = ::NTV2DeviceGetMaxAudioChannels (mDeviceID);
    mDevice.SetNumberAudioChannels (mNumAudioChannels, mAudioSystem);
    mDevice.SetAudioRate (NTV2_AUDIO_48K, mAudioSystem);
    mDevice.SetEmbeddedAudioClock (NTV2_EMBEDDED_AUDIO_CLOCK_VIDEO_INPUT, mAudioSystem);
    mDevice.GetAudioRate (mAudioRate, mAudioSystem);
 
    //  The on-device audio buffer should be 4MB to work best across all devices & platforms...
    mDevice.SetAudioBufferSize (NTV2_AUDIO_BUFFER_BIG, mAudioSystem);
 
    return AJA_STATUS_SUCCESS;
 
}   //  SetupAudio
 
 
void NTV2EncodeHEVCVif::SetupHostBuffers (void)
{
    mVideoBufferSize = GetVideoActiveSize (mVideoFormat, mCapturePixelFormat, NTV2_VANCMODE_OFF);
    mPicInfoBufferSize = sizeof(HevcPictureInfo)*2;
    mEncInfoBufferSize = sizeof(HevcEncodedInfo)*2;
    mAudioBufferSize = NTV2_AUDIOSIZE_MAX;
    mOverlayBufferSize = GetVideoActiveSize(mVideoFormat, mOverlayPixelFormat, NTV2_VANCMODE_OFF) * 4;
    NTV2FormatDescriptor overlayD (mVideoFormat, mOverlayPixelFormat);
    
    // audio/video input ring
    mACInputCircularBuffer.SetAbortFlag (&mGlobalQuit);
    for (unsigned bufferNdx = 0; bufferNdx < VIDEO_RING_SIZE; bufferNdx++ )
    {
        memset (&mACInputBuffer[bufferNdx], 0, sizeof(AVHevcDataBuffer));
        mACInputBuffer[bufferNdx].pVideoBuffer      = new uint32_t [mVideoBufferSize/4];
        mACInputBuffer[bufferNdx].videoBufferSize   = mVideoBufferSize;
        mACInputBuffer[bufferNdx].videoDataSize     = 0;
        mACInputBuffer[bufferNdx].videoDataSize2    = 0;
        mACInputBuffer[bufferNdx].pAudioBuffer      = new uint32_t [mAudioBufferSize/4];
        mACInputBuffer[bufferNdx].audioBufferSize   = mAudioBufferSize;
        mACInputBuffer[bufferNdx].audioDataSize     = 0;
        mACInputBuffer[bufferNdx].pInfoBuffer       = new uint32_t [mPicInfoBufferSize/4];
        mACInputBuffer[bufferNdx].infoBufferSize    = mPicInfoBufferSize;
        mACInputBuffer[bufferNdx].infoDataSize      = 0;
        mACInputBuffer[bufferNdx].infoDataSize2     = 0;
        mACInputCircularBuffer.Add (& mACInputBuffer[bufferNdx]);
    }
 
    // video hevc ring
    mVideoHevcCircularBuffer.SetAbortFlag (&mGlobalQuit);
    for (unsigned bufferNdx = 0; bufferNdx < VIDEO_RING_SIZE; bufferNdx++ )
    {
        memset (&mVideoHevcBuffer[bufferNdx], 0, sizeof(AVHevcDataBuffer));
        mVideoHevcBuffer[bufferNdx].pVideoBuffer    = new uint32_t [mVideoBufferSize/4];
        mVideoHevcBuffer[bufferNdx].videoBufferSize = mVideoBufferSize;
        mVideoHevcBuffer[bufferNdx].videoDataSize   = 0;
        mVideoHevcBuffer[bufferNdx].videoDataSize2  = 0;
        mVideoHevcBuffer[bufferNdx].pInfoBuffer     = new uint32_t [mEncInfoBufferSize/4];
        mVideoHevcBuffer[bufferNdx].infoBufferSize  = mEncInfoBufferSize;
        mVideoHevcBuffer[bufferNdx].infoDataSize    = 0;
        mVideoHevcBuffer[bufferNdx].infoDataSize2   = 0;
        mVideoHevcCircularBuffer.Add (& mVideoHevcBuffer[bufferNdx]);
    }
 
    // audio silent buffer
    mSilentBuffer = new uint32_t [mAudioBufferSize/4];
    memset(mSilentBuffer, 0, mAudioBufferSize);
 
    // overlay buffers
    mOverlayBuffer[0] = new uint32_t [mOverlayBufferSize/4];
    mOverlayBuffer[1] = new uint32_t [mOverlayBufferSize/4];
 
    uint32_t* buf0 = mOverlayBuffer[0];
    uint32_t* buf1 = mOverlayBuffer[1];
    uint32_t pixelsPerLine = overlayD.linePitch*2;
    uint32_t linesPerBar = overlayD.numLines*2/NUM_OVERLAY_BARS;
    
    for (uint32_t i = 0; i < NUM_OVERLAY_BARS; i++)
    {
        for (uint32_t j = 0; j < linesPerBar; j++)
        {
            for (uint32_t k = 0; k < pixelsPerLine; k++)
            {
                *buf0++ = sOverlayBar0[i];
                *buf1++ = sOverlayBar1[i];
            }
        }
    }
 
}   //  SetupHostBuffers
 
 
AJAStatus NTV2EncodeHEVCVif::SetupVideo (void)
{
    //  Disable multiformat
    mDevice.SetMultiFormatMode (false);
 
    //  Set the board video format
    mDevice.SetVideoFormat (mVideoFormat, false, false, NTV2_CHANNEL1);
    mDevice.GetFrameRate (mFrameRate, NTV2_CHANNEL1);
    mDevice.SetQuadFrameEnable (true, NTV2_CHANNEL5);
    mDevice.Set4kSquaresEnable (true, NTV2_CHANNEL5);
 
    //  Set frame buffer format
    mDevice.SetFrameBufferFormat (NTV2_CHANNEL1, mCapturePixelFormat);
    mDevice.SetFrameBufferFormat (NTV2_CHANNEL2, mCapturePixelFormat);
    mDevice.SetFrameBufferFormat (NTV2_CHANNEL3, mCapturePixelFormat);
    mDevice.SetFrameBufferFormat (NTV2_CHANNEL4, mCapturePixelFormat);
    mDevice.SetFrameBufferFormat (NTV2_CHANNEL5, mOverlayPixelFormat);
    mDevice.SetFrameBufferFormat (NTV2_CHANNEL6, mOverlayPixelFormat);
    mDevice.SetFrameBufferFormat (NTV2_CHANNEL7, mOverlayPixelFormat);
    mDevice.SetFrameBufferFormat (NTV2_CHANNEL8, mOverlayPixelFormat);
 
    // Setup overlay
    mOverlayFrame[0] = 32;
    mOverlayFrame[1] = 36;
    mDevice.DMAWriteFrame (mOverlayFrame[0], mOverlayBuffer[0], mOverlayBufferSize);
    mDevice.DMAWriteFrame (mOverlayFrame[1], mOverlayBuffer[1], mOverlayBufferSize);
    mDevice.SetOutputFrame (NTV2_CHANNEL5, mOverlayFrame[0]/4);
    mOverlayIndex = 0;
 
    //  Set catpure mode
    mDevice.SetMode (NTV2_CHANNEL1, NTV2_MODE_CAPTURE, false);
    mDevice.SetMode (NTV2_CHANNEL2, NTV2_MODE_DISPLAY, false);
    mDevice.SetMode (NTV2_CHANNEL3, NTV2_MODE_DISPLAY, false);
    mDevice.SetMode (NTV2_CHANNEL4, NTV2_MODE_DISPLAY, false);
    mDevice.SetMode (NTV2_CHANNEL5, NTV2_MODE_DISPLAY, false);
    mDevice.SetMode (NTV2_CHANNEL6, NTV2_MODE_DISPLAY, false);
    mDevice.SetMode (NTV2_CHANNEL7, NTV2_MODE_DISPLAY, false);
    mDevice.SetMode (NTV2_CHANNEL8, NTV2_MODE_DISPLAY, false);
 
    //  Enable frame buffers
    mDevice.EnableChannel (NTV2_CHANNEL1);
    mDevice.DisableChannel (NTV2_CHANNEL2);
    mDevice.DisableChannel (NTV2_CHANNEL3);
    mDevice.DisableChannel (NTV2_CHANNEL4);
    mDevice.EnableChannel (NTV2_CHANNEL5);
    mDevice.EnableChannel (NTV2_CHANNEL6);
    mDevice.EnableChannel (NTV2_CHANNEL7);
    mDevice.EnableChannel (NTV2_CHANNEL8);
 
    //  Setup mixers to key fg over bg
    for (UWord i = 0; i < 4; i++)
    {
        mDevice.SetMixerVancOutputFromForeground (i, true);
        mDevice.SetMixerFGInputControl (i, NTV2MIXERINPUTCONTROL_UNSHAPED);
        mDevice.SetMixerBGInputControl (i, NTV2MIXERINPUTCONTROL_FULLRASTER);
        mDevice.SetMixerCoefficient (i, 0x00000); // 0x10000 forground - 0x00000 background
        mDevice.SetMixerMode (i, NTV2MIXERMODE_FOREGROUND_ON);
    }
 
    //  Save input source
    mInputSource = ::NTV2ChannelToInputSource (NTV2_CHANNEL1);
 
    //  Set the device reference to the input...
    mDevice.SetReference (::NTV2InputSourceToReferenceSource (mInputSource));
 
    //  Enable and subscribe to the interrupts for the channel to be used...
    mDevice.EnableInputInterrupt (mInputChannel);
    mDevice.SubscribeInputVerticalEvent (mInputChannel);
 
    //  Setup for picture info
    mTimeBase.SetAJAFrameRate (mHevcCommon->GetAJAFrameRate(GetNTV2FrameRateFromVideoFormat (mVideoFormat)));
 
    return AJA_STATUS_SUCCESS;
 
}   //  SetupVideo
 
 
void NTV2EncodeHEVCVif::RouteInputSignal (void)
{
    // setup sdi io
    mDevice.SetSDITransmitEnable (NTV2_CHANNEL1, false);
    mDevice.SetSDITransmitEnable (NTV2_CHANNEL2, false);
    mDevice.SetSDITransmitEnable (NTV2_CHANNEL3, false);
    mDevice.SetSDITransmitEnable (NTV2_CHANNEL4, false);
    mDevice.SetSDITransmitEnable (NTV2_CHANNEL5, true);
    mDevice.SetSDITransmitEnable (NTV2_CHANNEL6, true);
    mDevice.SetSDITransmitEnable (NTV2_CHANNEL7, true);
    mDevice.SetSDITransmitEnable (NTV2_CHANNEL8, true);
 
    //  Give the device some time to lock to the input signal...
    mDevice.WaitForOutputVerticalInterrupt (mInputChannel, 8);
 
    //  When input is 3Gb convert to 3Ga for capture (no RGB support?)
    bool is3Gb = false;
    mDevice.GetSDIInput3GbPresent (is3Gb, mInputChannel);
 
    mDevice.SetSDIInLevelBtoLevelAConversion (NTV2_CHANNEL1, is3Gb);
    mDevice.SetSDIInLevelBtoLevelAConversion (NTV2_CHANNEL2, is3Gb);
    mDevice.SetSDIInLevelBtoLevelAConversion (NTV2_CHANNEL3, is3Gb);
    mDevice.SetSDIInLevelBtoLevelAConversion (NTV2_CHANNEL4, is3Gb);
    mDevice.SetSDIOutLevelAtoLevelBConversion (NTV2_CHANNEL5, false);
    mDevice.SetSDIOutLevelAtoLevelBConversion (NTV2_CHANNEL6, false);
    mDevice.SetSDIOutLevelAtoLevelBConversion (NTV2_CHANNEL7, false);
    mDevice.SetSDIOutLevelAtoLevelBConversion (NTV2_CHANNEL8, false);
 
    //  Use a "Routing" object, which handles the details of writing
    //  the appropriate values into the appropriate device registers...
    CNTV2SignalRouter   router;
 
    // quad csc from frame buffer
    router.AddConnection (NTV2_XptCSC1VidInput, NTV2_XptFrameBuffer5RGB);
    router.AddConnection (NTV2_XptCSC2VidInput, NTV2_XptFrameBuffer6RGB);
    router.AddConnection (NTV2_XptCSC3VidInput, NTV2_XptFrameBuffer7RGB);
    router.AddConnection (NTV2_XptCSC4VidInput, NTV2_XptFrameBuffer8RGB);
    // quad mixer foreground from csc
    router.AddConnection (NTV2_XptMixer1FGVidInput, NTV2_XptCSC1VidYUV);
    router.AddConnection (NTV2_XptMixer1FGKeyInput, NTV2_XptCSC1KeyYUV);
    router.AddConnection (NTV2_XptMixer2FGVidInput, NTV2_XptCSC2VidYUV);
    router.AddConnection (NTV2_XptMixer2FGKeyInput, NTV2_XptCSC2KeyYUV);
    router.AddConnection (NTV2_XptMixer3FGVidInput, NTV2_XptCSC3VidYUV);
    router.AddConnection (NTV2_XptMixer3FGKeyInput, NTV2_XptCSC3KeyYUV);
    router.AddConnection (NTV2_XptMixer4FGVidInput, NTV2_XptCSC4VidYUV);
    router.AddConnection (NTV2_XptMixer4FGKeyInput, NTV2_XptCSC4KeyYUV);
    // quad mixer background from sdi input
    router.AddConnection (NTV2_XptMixer1BGVidInput, NTV2_XptSDIIn1);
    router.AddConnection (NTV2_XptMixer1BGKeyInput, NTV2_XptBlack);
    router.AddConnection (NTV2_XptMixer2BGVidInput, NTV2_XptSDIIn2);
    router.AddConnection (NTV2_XptMixer2BGKeyInput, NTV2_XptBlack);
    router.AddConnection (NTV2_XptMixer3BGVidInput, NTV2_XptSDIIn3);
    router.AddConnection (NTV2_XptMixer3BGKeyInput, NTV2_XptBlack);
    router.AddConnection (NTV2_XptMixer4BGVidInput, NTV2_XptSDIIn4);
    router.AddConnection (NTV2_XptMixer4BGKeyInput, NTV2_XptBlack);
    // quad sdi output (to codec) from mixer
    router.AddConnection (NTV2_XptSDIOut5Input, NTV2_XptMixer1VidYUV);
    router.AddConnection (NTV2_XptSDIOut6Input, NTV2_XptMixer2VidYUV);
    router.AddConnection (NTV2_XptSDIOut7Input, NTV2_XptMixer3VidYUV);
    router.AddConnection (NTV2_XptSDIOut8Input, NTV2_XptMixer4VidYUV);
    // 4k down converter from mixer
    router.AddConnection (NTV2_Xpt4KDCQ1Input, NTV2_XptMixer1VidYUV);
    router.AddConnection (NTV2_Xpt4KDCQ2Input, NTV2_XptMixer2VidYUV);
    router.AddConnection (NTV2_Xpt4KDCQ3Input, NTV2_XptMixer3VidYUV);
    router.AddConnection (NTV2_Xpt4KDCQ4Input, NTV2_XptMixer4VidYUV);
    // frame buffer from 4k down converter
    router.AddConnection (NTV2_XptFrameBuffer1Input, NTV2_Xpt4KDownConverterOut);
 
    //  Add this signal routing (or replace if not doing multistream)...
    mDevice.ApplySignalRoute (router, true);
 
    //  Give the device some time to lock to the input signal...
    mDevice.WaitForOutputVerticalInterrupt (mInputChannel, 8);
 
}   //  RouteInputSignal
 
 
void NTV2EncodeHEVCVif::SetupAutoCirculate (void)
{
    //  Tell capture AutoCirculate to use 8 frame buffers on the device...
    mDevice.AutoCirculateStop (mInputChannel);
    mDevice.AutoCirculateInitForInput (mInputChannel,   16, //  Frames to circulate
                                       mWithAudio ? mAudioSystem : NTV2_AUDIOSYSTEM_INVALID);   //  Which audio system (if any)?
}   //  SetupInputAutoCirculate
 
 
AJAStatus NTV2EncodeHEVCVif::Run ()
{
    if (mDevice.GetInputVideoFormat (mInputSource) == NTV2_FORMAT_UNKNOWN)
        cout << endl << "## WARNING:  No video signal present on the input connector" << endl;
 
    //  Start the playout and capture threads...
    StartAVFileThread ();
    StartVideoInputThread ();
 
    if (mWithInfo)
    {
        //  Transfer initial picture info
        for (int i = 0; i < 32; i++)
        {
            TransferPictureInfo(mM31);
        }
    }
 
    StartCodecHevcThread ();
 
    return AJA_STATUS_SUCCESS;
 
}   //  Run
 
 
// This is where we will start the video input thread
void NTV2EncodeHEVCVif::StartVideoInputThread (void)
{
    mACInputThread.Attach(VideoInputThreadStatic, this);
    mACInputThread.SetPriority(AJA_ThreadPriority_High);
    mACInputThread.Start();
 
}   // StartVideoInputThread
 
 
// The video input thread static callback
void NTV2EncodeHEVCVif::VideoInputThreadStatic (AJAThread * pThread, void * pContext)
{
    (void) pThread;
 
    NTV2EncodeHEVCVif * pApp (reinterpret_cast <NTV2EncodeHEVCVif *> (pContext));
    pApp->VideoInputWorker ();
 
}   // VideoInputThreadStatic
 
 
void NTV2EncodeHEVCVif::VideoInputWorker (void)
{
    CNTV2Card device;
    CNTV2m31 *  m31;
    AUTOCIRCULATE_TRANSFER  inputXfer;
 
    //  Open the device...
    if (!CNTV2DeviceScanner::GetFirstDeviceFromArgument (mDeviceSpecifier, device))
    { cerr << "## ERROR:  Device '" << mDeviceSpecifier << "' not found" << endl;  return; }
 
    // Allocate our M31 helper class and our HEVC common class
    m31 = new CNTV2m31 (&device);
 
    // start AutoCirculate running...
    device.AutoCirculateStart (mInputChannel);
 
    while (!mGlobalQuit)
    {
        AUTOCIRCULATE_STATUS    acStatus;
        device.AutoCirculateGetStatus (mInputChannel, acStatus);
 
        // wait for captured frame
        if (acStatus.IsRunning()  &&  acStatus.HasAvailableInputFrame())
        {
            // At this point, there's at least one fully-formed frame available in the device's
            // frame buffer to transfer to the host. Reserve an AvaDataBuffer to "produce", and
            // use it in the next transfer from the device...
            AVHevcDataBuffer *  pVideoData  (mACInputCircularBuffer.StartProduceNextBuffer ());
            if (pVideoData)
            {
                // setup buffer pointers for transfer
                inputXfer.SetBuffers (pVideoData->pVideoBuffer, pVideoData->videoBufferSize, AJA_NULL, 0, AJA_NULL, 0);
 
                if (mWithAudio)
                {
                    inputXfer.SetAudioBuffer (pVideoData->pAudioBuffer, pVideoData->audioBufferSize);
                }
 
                // do the transfer from the device into our host AvaDataBuffer...
                device.AutoCirculateTransfer (mInputChannel, inputXfer);
 
                // get the video data size
                pVideoData->videoDataSize = pVideoData->videoBufferSize;
                pVideoData->audioDataSize = 0;
                pVideoData->frameTime = inputXfer.GetFrameInfo().acFrameTime;
                pVideoData->lastFrame = mLastFrame;
 
                if (mWithAudio)
                {
                    // get the audio data size
                    pVideoData->audioDataSize = inputXfer.GetCapturedAudioByteCount();
                }
 
                if (pVideoData->lastFrame && !mLastFrameInput)
                {
                    printf ( "\nCapture last frame number %d\n", mVideoInputFrameCount );
                    mLastFrameInput = true;
                }
 
                mVideoInputFrameCount++;
 
                // signal that we're done "producing" the frame, making it available for future "consumption"...
                mACInputCircularBuffer.EndProduceNextBuffer ();
 
                if ((mVideoInputFrameCount%60) == 0)
                {
                    if (mOverlayIndex == 0)
                    {
                        mOverlayIndex = 1;
                    }
                    else
                    {
                        mOverlayIndex = 0;
                    }
                    device.SetOutputFrame (NTV2_CHANNEL5, mOverlayFrame[mOverlayIndex]/4);
                }
            }   // if A/C running and frame(s) are available for transfer
        }
        else
        {
            // Either AutoCirculate is not running, or there were no frames available on the device to transfer.
            // Rather than waste CPU cycles spinning, waiting until a frame becomes available, it's far more
            // efficient to wait for the next input vertical interrupt event to get signaled...
            device.WaitForInputVerticalInterrupt (mInputChannel);
        }
    }   // loop til quit signaled
 
    // Stop AutoCirculate...
    device.AutoCirculateStop (mInputChannel);
 
    if (m31 != AJA_NULL)
    {
        delete m31;
    }
}   // VideoInputWorker
 
 
// This is where we will start the codec hevc thread
void NTV2EncodeHEVCVif::StartCodecHevcThread (void)
{
    mCodecHevcThread.Attach(CodecHevcThreadStatic, this);
    mCodecHevcThread.SetPriority(AJA_ThreadPriority_High);
    mCodecHevcThread.Start();
 
} // StartCodecHevcThread
 
 
// The codec hevc static callback
void NTV2EncodeHEVCVif::CodecHevcThreadStatic (AJAThread * pThread, void * pContext)
{
    (void) pThread;
 
    NTV2EncodeHEVCVif * pApp (reinterpret_cast <NTV2EncodeHEVCVif *> (pContext));
    pApp->CodecHevcWorker ();
 
}   //  CodecHevcThreadStatic
 
 
void NTV2EncodeHEVCVif::CodecHevcWorker ()
{
    CNTV2Card device;
    CNTV2m31 *  m31;
 
    //  Open the device...
    if (!CNTV2DeviceScanner::GetFirstDeviceFromArgument (mDeviceSpecifier, device))
    { cerr << "## ERROR:  Device '" << mDeviceSpecifier << "' not found" << endl;  return; }
 
    // Allocate our M31 helper class and our HEVC common class
    m31 = new CNTV2m31 (&device);
 
    while (!mGlobalQuit)
    {
        // wait for the next hevc frame 
        AVHevcDataBuffer *  pFrameData (mVideoHevcCircularBuffer.StartProduceNextBuffer ());
        if (pFrameData)
        {
            if (!mLastFrameHevc)
            {
                // transfer an hevc frame from the codec including encoded information
                m31->EncTransfer(mEncodeChannel,
                                 (uint8_t*)pFrameData->pVideoBuffer,
                                 pFrameData->videoBufferSize,
                                 (uint8_t*)pFrameData->pInfoBuffer,
                                 pFrameData->infoBufferSize,
                                 pFrameData->videoDataSize,
                                 pFrameData->infoDataSize,
                                 pFrameData->frameTime,
                                 pFrameData->lastFrame);
 
                // round the video size up
                pFrameData->videoDataSize = mHevcCommon->AlignDataBuffer(pFrameData->pVideoBuffer,
                                                                         pFrameData->videoBufferSize,
                                                                         pFrameData->videoDataSize,
                                                                         8, 0xff);
                // round the info size up
                pFrameData->infoDataSize = mHevcCommon->AlignDataBuffer(pFrameData->pInfoBuffer,
                                                                        pFrameData->infoBufferSize,
                                                                        pFrameData->infoDataSize,
                                                                        8, 0);
 
                if (mWithInfo && !mLastFrame)
                {
                    // transfer more picture info
                    TransferPictureInfo(m31);
                }
            }
 
            if (pFrameData->lastFrame)
            {
                mLastFrameHevc = true;
            }
            mCodecHevcFrameCount++;
 
            // release and recycle the buffer...
            mVideoHevcCircularBuffer.EndProduceNextBuffer ();
        }
    }   //  loop til quit signaled
 
    if (m31 != AJA_NULL)
    {
        delete m31;
    }
}   //  EncTransferFrames
 
 
// This is where we start the audio/video file writer thread
void NTV2EncodeHEVCVif::StartAVFileThread (void)
{
    mAVFileThread.Attach(AVFileThreadStatic, this);
    mAVFileThread.SetPriority(AJA_ThreadPriority_High);
    mAVFileThread.Start();
 
} // StartAVFileThread
 
 
// The file writer static callback
void NTV2EncodeHEVCVif::AVFileThreadStatic (AJAThread * pThread, void * pContext)
{
    (void) pThread;
 
    NTV2EncodeHEVCVif * pApp (reinterpret_cast <NTV2EncodeHEVCVif *> (pContext));
    pApp->AVFileWorker ();
 
} // AVFileStatic
 
 
void NTV2EncodeHEVCVif::AVFileWorker (void)
{
    int64_t encodeTime;
    bool addData;
 
    mFrameData = AJA_NULL;
 
    while (!mGlobalQuit)
    {
        encodeTime = 0;
 
        // wait for the next codec hevc frame
        AVHevcDataBuffer *  pHevcData (mVideoHevcCircularBuffer.StartConsumeNextBuffer ());
        if (pHevcData)
        {
            if (!mLastFrameVideo)
            {
                // write the frame / fields hevc to the output file
                mHevcCommon->WriteHevcData(pHevcData->pVideoBuffer, pHevcData->videoDataSize);
                encodeTime = pHevcData->frameTime;
 
                if (mWithInfo)
                {
                    // write the frame encoded data to the output file
                    mHevcCommon->WriteEncData(pHevcData->pInfoBuffer, pHevcData->infoDataSize);
                }
 
                if (pHevcData->lastFrame)
                {
                    printf ( "Video file last frame number %d\n", mAVFileFrameCount );
                    mLastFrameVideo = true;
                }
 
                mAVFileFrameCount++;
            }
 
            // release the hevc buffer
            mVideoHevcCircularBuffer.EndConsumeNextBuffer ();
        }
 
        if (encodeTime != 0)
        {
            while (true)
            {
                addData = false;
                if (mFrameData == AJA_NULL)
                {
                    mFrameData = mACInputCircularBuffer.StartConsumeNextBuffer ();
                }
                if (mFrameData)
                {
                    if (abs(mFrameData->frameTime - encodeTime) < 50000)
                    {
                        if (mWithAudio)
                        {
                            // write the audio samples to the output file
                            mHevcCommon->WriteAiffData(mFrameData->pAudioBuffer, mNumAudioChannels,
                                                       mFrameData->audioDataSize/mNumAudioChannels/4);
                        }
                        if (mRawFrameCount == 0)
                        {
                            mHevcCommon->WriteRawData(mFrameData->pVideoBuffer, mFrameData->videoDataSize);
                            mRawFrameCount++;
                        }
 
                        // release the hevc buffer
//                      printf ( "Found autocirculate raw audio/video frame %d\n", (int32_t)(mFrameData->frameTime - encodeTime));
                        mACInputCircularBuffer.EndConsumeNextBuffer ();
                        mFrameData = AJA_NULL;
                        break;
                    }
                    else if (mFrameData->frameTime < encodeTime)
                    {
                        printf ( "Skip autocirculate raw audio/video frame - time diff %d us\n",
                                 (int32_t)(mFrameData->frameTime - encodeTime)/10);
                        mACInputCircularBuffer.EndConsumeNextBuffer ();
                        mFrameData = AJA_NULL;
                        continue;
                    }
                    else
                    {
                        printf ( "Add autocirculate raw audio/video frame - time diff %d us\n",
                                 (int32_t)(mFrameData->frameTime - encodeTime)/10);
                        addData = true;
                    }
                }
                else
                {
                    printf ( "Add autocirculate raw audio/video frame - no input\n");
                    addData = true;
                }
                if (addData)
                {
                    if (mWithAudio)
                    {
                        uint32_t numSamples = GetAudioSamplesPerFrame (mFrameRate, mAudioRate, mAVFileFrameCount);
                        // write the audio samples to the output file
                        mHevcCommon->WriteAiffData(mSilentBuffer, mNumAudioChannels, numSamples);
                    }
                    break;
                }
            }
        }
    } // loop til quit signaled
 
} // VideoFileWorker
 
 
 
void NTV2EncodeHEVCVif::TransferPictureInfo(CNTV2m31 *  pM31)
{
    HevcPictureData picData;
 
    // initialize info buffer to 0
    memset(&picData, 0, sizeof(HevcPictureData));
 
    // calculate pts based on 90 Khz clock tick
    uint64_t pts = (uint64_t)mTimeBase.FramesToMicroseconds(mInfoFrameCount)*90000/1000000;
 
    // set serial number, pts and picture number
    picData.serialNumber = mInfoFrameCount;                 // can be anything
    picData.ptsValueLow = (uint32_t)(pts & 0xffffffff);
    picData.ptsValueHigh = (uint32_t)((pts >> 32) & 0x1);   // roll over at 33 bits
    picData.pictureNumber = mInfoFrameCount + 1;            // must count starting with 1
    mInfoFrameCount++;
 
    // transfer only picture information 
    pM31->RawTransfer(mEncodeChannel,
                      AJA_NULL,
                      0,
                      (uint8_t*)&picData,
                      sizeof(HevcPictureData),
                      false);
}
 
 
void NTV2EncodeHEVCVif::GetStatus (AVHevcStatus * outInputStatus)
{
    AUTOCIRCULATE_STATUS    inputACStatus;
    
    mDevice.AutoCirculateGetStatus (mInputChannel, inputACStatus);
    outInputStatus->framesProcessed = inputACStatus.GetProcessedFrameCount();
    outInputStatus->framesDropped = inputACStatus.GetDroppedFrameCount();
    outInputStatus->bufferLevel = inputACStatus.GetBufferLevel();
    
}   //  GetStatus