Rotating images before uploading

<script type="text/javascript" src="/Assets/Scripts/ImageUploader/aurigma.uploader.js"></script>
<script type="text/javascript">
    var u = $au.uploader({
        id: 'Uploader1',
        width: '1180px',
        height: '480px',
        licenseKey: '@ViewBag.LicenseKey',
        converters: [{ mode: '*.*=SourceFile' }],
        javaControl: {
            codeBase: '/Assets/Scripts/ImageUploader/Uploader8.jar'
        },
        activeXControl: {
            codeBase: '/Assets/Scripts/ImageUploader/Uploader8.cab',
            codeBase64: '/Assets/Scripts/ImageUploader/Uploader8_x64.cab'
        },
        metadata: {
            cookie: 'ASP.NET_SessionId=@Session.SessionID;@FormsAuthentication.FormsCookieName=@Request.Cookies[FormsAuthentication.FormsCookieName].Value'
        },
        uploadSettings: {
            actionUrl: '@Url.Action("Upload", new { id = Model.ProductId })',
            redirectUrl: '@Url.Action("Index", new { id = Model.ProductId })'
        }
    });

    u.writeHtml();
</script>

[HttpPost]
public ActionResult Upload(int id, FormCollection collection)
{
    var pictureSaver = new PictureSaver();

    for (int i = 0; i < Request.Files.Count; i++)
    {
        var httpPostedFileBase = Request.Files[i];
        if (httpPostedFileBase != null && httpPostedFileBase.ContentLength > 0)
        {
            pictureSaver.Save(httpPostedFileBase);
        }
    }

    return new EmptyResult();
}