Problem was not in the wrapper but in the application (in encoder and decoder jpeg). Workaround (updated codes) has been provided with IPP 6.1 gold update1.
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By the way, the Intel IPP 6.1 update 1 is also included in the latest Intel Parallel Composer Update 1 as well as Intel Compiler Professional Edition 11.1 update release. Please check http://software.intel.com/en-us/articles/which-version-of-ipp--mkl--tbb-is-installed-with-intel-comp... to find more information about each compoent version (Intel IPP, Intel MKL andIntel TBB) in various Intel Compiler Professional Editionproduct releases.
To get more information about new features or bug fixes in Intel IPP 6.1 update 1