CodeRepository/Apps/App_GeneralDataInjectionApp/Common/IO/DeviceStream/GDeviceWriter.cpp

#include "GDeviceWriter.h"

GDeviceWriter::GDeviceWriter()
{
    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_pOutputCard = nullptr;
    }
}

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

void    GDeviceWriter::Init(eGDeviceType eDeviceType, const QString& strDeviceName, int nChannel, GFrameFormat varFrameFormat)
{
    //
    m_eDeviceType = eDeviceType;
    m_strDeviceName = strDeviceName;
    m_nChannel = nChannel;
    m_varFrameFormat = varFrameFormat;

    //
    m_bInit = true;
}

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

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

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

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

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

        QString strInputCardName = m_strDeviceName;

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

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

        return true;
    }

    return false;
}

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

    // CameraLink
    if(eGDT_CameraLink == m_eDeviceType)
    {

    }

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

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

            m_pOutputCard = nullptr;
        }
    }
}

bool    GDeviceWriter::WriteData(byte* pFrameData)
{
    if(!m_bInit)
    {
        return false;
    }

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

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

        if(nullptr != pDeckLinkManager)
        {
            bool bRs = pDeckLinkManager->OutputData(pFrameData);

            return bRs;
        }
    }

    return false;
}