adapt_camera_memory.c

/*
    Yep, this is not the reason for improved transfer rate.
    Code courtesy of PCO
*/
static void
adapt_camera_memory(UcaPcowinCameraPrivate *priv)
{
    gboolean do_adapt = FALSE;  // Set to FALSE to prepare for checking valid images
    DWORD dwTest;
    DWORD dwTest2;
    DWORD dwReducedRamSize;

    if((priv->strGeneral.dwCamHealthStatus & STATUS_DEFAULT_STATE) || !(priv->strGeneral.dwCamHealthStatus & STATUS_SETTINGS_VALID))
    {
        g_warning("Power on default");
        do_adapt = TRUE;        // Power on default detected: Set adapt to TRUE
    }

    dwReducedRamSize = priv->strSensor.strDescription.wMaxHorzResExtDESC * priv->strSensor.strDescription.wMaxVertResExtDESC;
    dwReducedRamSize *= 4;                  // Buffer für 4 Bilder in Preview
    if(priv->strSensor.strDescription.dwGeneralCapsDESC1 & GENERALCAPS1_CDI_MODE)
        dwReducedRamSize *= 2;             // doubleshutter uses double size
    if(priv->strSensor.strDescription.wDoubleImageDESC == 1)
        dwReducedRamSize *= 2;             // doubleshutter uses double size
    if(priv->strStorage.wPageSize == 0)
    {
        g_warning("Error in AdaptCameraMemory! wPageSize must not be zero!!!\n");
        return;
    }
    if(dwReducedRamSize % priv->strStorage.wPageSize)// Erzwinge Pagesize Granularität
    {
        g_warning("Force page size granulation");
        dwReducedRamSize = dwReducedRamSize / priv->strStorage.wPageSize + 1;
        dwReducedRamSize *= priv->strStorage.wPageSize;
    }// Previewbuffer reservieren

    // Found valid alien configuration and no default state
    if((priv->strStorage.dwRamSegSize[3] != dwReducedRamSize / priv->strStorage.wPageSize) && (do_adapt == FALSE))
    {
        g_warning("Found valid alien configuration and no default state");
        DWORD dwValid = 0, dwMax = 0;
        gboolean bfound = FALSE;

        dwTest=  priv->strStorage.dwRamSegSize[0] +
        priv->strStorage.dwRamSegSize[1] +
        priv->strStorage.dwRamSegSize[2] +
        dwReducedRamSize / priv->strStorage.wPageSize;
        // found alien configuration
        for(WORD i = 4; i > 0; i--)
        {
            PCO_GetNumberOfImagesInSegment(priv->pcoHandle, i, &dwValid, &dwMax);
            if(dwValid != 0)
            {
                bfound = TRUE;
                do_adapt = FALSE;
                g_warning("Found external CamRAM configuration with valid images....[etc]\n");
                
                if(dwTest > priv->strStorage.dwRamSize)
                    g_warning("Adapt to Camware setup and delete all recorded images?\n");
                else
                {
                    if(i == 4)
                        g_warning("Adapt to Camware setup and delete images in segment 4?\n");
                    else
                        g_warning("Adapt to Camware setup?\n");
                }
                if(TRUE) // Force true - pressing yes in camware
                {
                    if(dwTest > priv->strStorage.dwRamSize)
                    {
                        g_warning("This will delete all recorded images. Proceed with new memory setup?");
                        if(TRUE) // again forcing yes
                        {
                            do_adapt = TRUE;
                        }
                    }
                    else
                    {
                        if(i == 4)
                        {
                            g_warning("This will delete all recorded images in segment 4. Proceed with new memory setup?");
                            if(TRUE) // Forcing yes
                            {
                                do_adapt = TRUE;
                            }
                        }
                        else
                            do_adapt = TRUE;
                    }
                }

                if(do_adapt == FALSE) // Equivalent of pressing no when asked for mem setup
                {
                    if(priv->strStorage.dwRamSegSize[3] < dwReducedRamSize / priv->strStorage.wPageSize)
                    {
                        g_warning("Preview not possible.CamRAM in segment 4 too small");
                    }
                }
                else
                {
                    // Set camera run state to stop
                }
                break;
            }
        }// For
        
        if(!bfound)
          do_adapt = TRUE;
    }
    if(do_adapt)
    {
        g_warning("In adapt routine");
        priv->strStorage.dwRamSegSize[3] = dwReducedRamSize / priv->strStorage.wPageSize;
        
        dwTest = priv->strStorage.dwRamSegSize[0] +
                priv->strStorage.dwRamSegSize[1] +
                priv->strStorage.dwRamSegSize[2] +
                priv->strStorage.dwRamSegSize[3];
        
        dwTest2 = priv->strStorage.dwRamSegSize[0] +
                priv->strStorage.dwRamSegSize[1] +
                priv->strStorage.dwRamSegSize[2];
        
        if((dwTest > priv->strStorage.dwRamSize) || (dwTest2 < priv->strStorage.dwRamSegSize[3]))
        {
            priv->strStorage.wActSeg = 1;
            priv->strStorage.dwRamSegSize[0] =
            priv->strStorage.dwRamSize - priv->strStorage.dwRamSegSize[3];

            priv->strStorage.dwRamSegSize[1] = 0;
            priv->strStorage.dwRamSegSize[2] = 0;
        }
        //bCameraInitState = FALSE;
    }
    if(priv->strStorage.dwRamSegSize[priv->strStorage.wActSeg - 1] == 0)
    {
        priv->strStorage.wActSeg = 1;
        while(priv->strStorage.dwRamSegSize[priv->strStorage.wActSeg - 1] == 0)
        {
            priv->strStorage.wActSeg++;
        }
    }

    int ret_err = PCO_SetStorageStruct(priv->pcoHandle, &priv->strStorage);
    if(ret_err)
    {
        g_warning("Failed to adapt memory. Call to SetStorageStruct failed");
    }
}