#include "GDeviceReader.h"

GDeviceReader::GDeviceReader()
{
    m_bInit = false;

    // 视频采集相关参数
    {
        m_eDeviceType = eGDT_SDI;
        m_strDeviceName = "DeckLink SDI";
        m_nChannel = 0;
        memset(&m_varFrameFormat, 0, sizeof(GFrameFormat) );
        m_pCallBack = nullptr;
        m_pOwner = nullptr;

        m_pCaptureCard = nullptr;
    }
}

GDeviceReader::~GDeviceReader()
{
    Stop();
}

void    GDeviceReader::Init(eGDeviceType eDeviceType, const QString& strDeviceName, int nChannel, GFrameFormat varFrameFormat, pCallBack_CaptureData pCallBack, void* pOwner)
{
    //
    m_eDeviceType = eDeviceType;
    m_strDeviceName = strDeviceName;
    m_nChannel = nChannel;
    m_varFrameFormat = varFrameFormat;
    m_pCallBack = pCallBack;
    m_pOwner = pOwner;

    //
    m_bInit = true;
}

bool    GDeviceReader::Start()
{
    Stop();

    // CameraLink
    if(eGDT_CameraLink == m_eDeviceType)
    {
        return true;
    }

    // SDI
    if(eGDT_SDI == m_eDeviceType)
    {
        CDeckLinkManager::SearchDeckLinkCard();

        CDeckLinkManager* pDeckLinkManager = new CDeckLinkManager();
        m_pCaptureCard = pDeckLinkManager;

        /*
        QString strInputCardName = QString("%1 %2")
                .arg(m_strDeviceName)
                .arg(m_nChannel);
        */

        QString strInputCardName = m_strDeviceName;

        if(!pDeckLinkManager->InitVideoInput(strInputCardName.toStdString().c_str(), m_nChannel, HD_FRAME_WIDTH, HD_FRAME_HEIGHT, bmdModeHD1080p25, m_pCallBack, m_pOwner) )
        {
            return false;
        }

        if(!pDeckLinkManager->StartStreams() )
        {
            return false;
        }

        return true;
    }

    return false;
}

void    GDeviceReader::Stop()
{
    if(!m_bInit)
    {
        return;
    }

    // CameraLink
    if(eGDT_CameraLink == m_eDeviceType)
    {

    }

    // SDI
    if(eGDT_SDI == m_eDeviceType)
    {
        CDeckLinkManager* pDeckLinkManager = reinterpret_cast<CDeckLinkManager*>(m_pCaptureCard);

        if(nullptr != pDeckLinkManager)
        {
            delete pDeckLinkManager;
            pDeckLinkManager = nullptr;

            m_pCaptureCard = nullptr;
        }
    }
}