https://community.intel.com/t5/Intel-Integrated-Performance/about-huffman-decoding-state-structure-in-jpeg-ipp/m-p/936517#M17214 <DIV>Hi~</DIV><DIV></DIV><DIV>We areusing the IPP 5.0 jpegsample code and IXP library in this site.</DIV><DIV></DIV><DIV>As the IPP reference manual p 971(document number,A70805-016),</DIV><DIV></DIV><DIV>"the fields of the structure of<FONT color="#ff6600"> "IppiDecodeHuffmanstate" </FONT>are hidden from user."</DIV><DIV></DIV><DIV>But, we would like to know the structure.</DIV><DIV></DIV><DIV>How can we know that?</DIV><DIV></DIV><DIV></DIV><DIV></DIV> Thu, 06 Apr 2006 20:11:48 GMT Intel_C_Intel 2006-04-06T20:11:48Z https://community.intel.com/t5/Intel-Integrated-Performance/about-huffman-decoding-state-structure-in-jpeg-ipp/m-p/936517#M17214 <DIV>Hi~</DIV><DIV></DIV><DIV>We areusing the IPP 5.0 jpegsample code and IXP library in this site.</DIV><DIV></DIV><DIV>As the IPP reference manual p 971(document number,A70805-016),</DIV><DIV></DIV><DIV>"the fields of the structure of<FONT color="#ff6600"> "IppiDecodeHuffmanstate" </FONT>are hidden from user."</DIV><DIV></DIV><DIV>But, we would like to know the structure.</DIV><DIV></DIV><DIV>How can we know that?</DIV><DIV></DIV><DIV></DIV><DIV></DIV> Thu, 06 Apr 2006 20:11:48 GMT https://community.intel.com/t5/Intel-Integrated-Performance/about-huffman-decoding-state-structure-in-jpeg-ipp/m-p/936517#M17214 Intel_C_Intel 2006-04-06T20:11:48Z https://community.intel.com/t5/Intel-Integrated-Performance/about-huffman-decoding-state-structure-in-jpeg-ipp/m-p/936518#M17215 <DIV></DIV> <P>Hi,</P> <P>fields of this structure are hidden because they may be different on different architectures.</P> <P>You can tract IppiDecodeHuffmanState as</P> <P>typedef struct _ownpjDecodeHuffmanState<BR />{<BR /> Ipp64u uBitBuffer;<BR /> int nBitsValid;<BR /> int nEndOfBlockRun;<BR />.....<BR />} ownpjDecodeHuffmanState;<BR /></P> <P>Or, you can use ippiDecodeHuffman8x8_Direct_JPEG_1u16s_C1 function, which do exactly the same job but all fields which are hidden in structure are available as a parameters.</P> <P>Regards,<BR /> Vladimir</P> Thu, 06 Apr 2006 22:08:50 GMT https://community.intel.com/t5/Intel-Integrated-Performance/about-huffman-decoding-state-structure-in-jpeg-ipp/m-p/936518#M17215 Vladimir_Dudnik 2006-04-06T22:08:50Z https://community.intel.com/t5/Intel-Integrated-Performance/about-huffman-decoding-state-structure-in-jpeg-ipp/m-p/936519#M17216 <DIV>Thank you for your kind explanation.</DIV><DIV></DIV><DIV>We will try to adopt your suggestion.</DIV><DIV></DIV><DIV>Have a nice day.</DIV><DIV></DIV> Mon, 10 Apr 2006 07:50:30 GMT https://community.intel.com/t5/Intel-Integrated-Performance/about-huffman-decoding-state-structure-in-jpeg-ipp/m-p/936519#M17216 Intel_C_Intel 2006-04-10T07:50:30Z