QT Hisi demo

【核心代码】

#include "handlehisidynamic.h"

#include<QDebug>
#include <QLibrary>
#include <QFileInfo>

#ifdef HISIV100
static Error_S ErrList[] = {
    {0, "unknow error"},
    {-1, "lib file not exist"},
    {-2, "Mpp system init error"},
    {-3, "Mpp system stop error"},
    {-4, "not a dynamic file"},
    {-5, "load failed"},
    {-6, "resolve Mpp_jegappend fxc error"},
    {-7, "resolve Mpp_registerDecode fxc error"},
    {-8, "resolve Mpp_system_init fxc error"}
};

void getImageFromHisi( char *buf, int size)
{

}

HandleHisiDynamic hisimpp;

HandleHisiDynamic::HandleHisiDynamic(QObject *parent) :
    QObject(parent)
{
    errcode = 0;
}

HandleHisiDynamic::~HandleHisiDynamic()
{
    if( QFileInfo(HISI_DLL_FILE).exists())
      ERROR_RETURN_NULL(-1);
    QLibrary lib( HISI_DLL_FILE );
    if( lib.isLibrary(HISI_DLL_FILE))
     ERROR_RETURN_NULL(-4);
    if( lib.isLoaded())
     ERROR_RETURN_NULL(-5);
    FXCMpp_system_exit exit = (FXCMpp_system_exit)lib.resolve("HISystem_Stop");
    INVALID_RETURN_NULL(exit, -2);
    exit();

}

int HandleHisiDynamic::dllInit()
{
    if( !QFileInfo(HISI_DLL_FILE).exists())
        ERROR_RETURN(-1);
    QLibrary lib( HISI_DLL_FILE );
    if( !lib.load())
     ERROR_RETURN(-5);
    FXCMpp_system_init init = (FXCMpp_system_init)lib.resolve("HISystem_Start");
    INVALID_RETURN(init, -8);
    int code = init();
    if( code != 0 )
        ERROR_RETURN(-2);
//    FXCMpp_jpegappend appendfxc = (FXCMpp_jpegappend)lib.resolve("Mpp_AppendJpeg");
 //   INVALID_RETURN(appendfxc, -6);
//    FXCMpp_RegisterDecodeResult reghandl = (FXCMpp_RegisterDecodeResult)lib.resolve("HISystem_RegisterImgMsg");
 //   INVALID_RETURN(reghandl, -7);
   // reghandl( getImageFromHisi );
    return 0;
}

QString HandleHisiDynamic::errormsg()
{
    for( int i = 0; i < sizeof( ErrList )/ sizeof( ErrList[0]); i   )
    {
        if(errcode == ErrList[i].code )
            return ErrList[i].errstr;
    }
    return ErrList[0].errstr;
}

#endif