MP4 muxer video input format
Dear Intel Support,I've tried the MP4 muxer (umc_mp4_mux) from the examples using H264, and it worked well when the video source came from Intel H264 encoder. On the other hand I would like to use this...
View ArticleippiDistanceTransform_5x5
Hi,Are the ippiDistanceTransform_5x5 methods still slated for deprecation? The online documentation does not indicate that but the compiler warnings indicate that they are deprecated and to use the...
View ArticleResizeCubicInit
I am switching my code from the deprecated ResizeSqrPixel functions to the new Resize API. Is it still possible to use the polynomial cubic interpolation equivalent to IPPI_INTER_CUBIC? How do I set...
View ArticleIncorrect explanation in documentation of BidirWeight_H264
HI,The formula that is explained in the following URI seems to be incorrect.http://software.intel.com/en-us/node/443698The documentation says,pDst[x, y] = Clip1c(((pSrc[x, y] * iWeight1 + pSrc2[x, y] *...
View ArticleIPPv8 library coexistence with older libraries in same address space
HiI use IPP within a music production plugin (see here). These types of executables are provided as dynamic libraries that are loaded by host applications (e.g. this or this as examples). I have some...
View ArticleClik here to view.
Vector function
I'm working with the Composer XE 2013 software in an algorithm that operates with vectors. After making a convolution between two vectors, I need to get a part of the resulting vector, but with an...
View Articlecompile IPP 8 samples - audio video codecs
HiTrying to compile the audio video codecs from ipp-samples.8.0.0.005 on Linux.ipp_8.0.0.061 installed successfullyI don't have opengl so I looked...
View ArticleHistogram function problem
Hi,I want to make a code in C++ using Intel libraries (specially IPP) of a MATLAB function, I was wondering if I can do it, because it seems simple but I'm trying and no have results using the...
View ArticleLimited Multi-threaded performace gain
CPU: Intel (R) Xeon(R) X5660 2.8 GHz (Westmere 2 Hex-core with Hyper-threading)OS: Linux CentOS 5IPP: Version 6.0I have a small multi-threaded C++ application that uses IPP in single-threaded mode -...
View ArticleMPEG4 decoding with IPP 7.0.2
Hello,I found out and see it with my software, that the IPP can decode MPEG4 H263 und MPEG4 H264.I created test videos in MPEG4 XVID and MPEG4 MPEG4 format, but my software does not manage it to decode...
View ArticleHistogramEven parameters
Hi,I'm on the need of using the ippiHistogramRange_32f_C1R fuction, but I don't know how to get two parameters: srcStep and roiSize.I don't know what to put in there. My source is just a 32f vector of...
View ArticleippiLn link error
when I compile ippiLn_32f_C1IR download ipp with new version,ERROR "ippsmt.lib(psln_w7---ippsLn_32f_I.obj) : error LNK2019: unresolved external symbol _w7_ippsLn_32f_A21@12 referenced in function...
View ArticleippsCompare_8u much slower then strcmp()
Hi,I have been trying to compare these two functions as I have been told that ipp are much faster then C string functions.However, I really could write a single example where ippsCompare_8u is -at...
View Articlestandalone IPP installer for version 6, 7, and 8
with IPP5, there was an available standalone installer (no composer, etc...) with setup.exe and cab file.How do I get that with IPP6, IPP7, and IPP8? The downloaded package installs files to my...
View ArticleIPP LZSS stream format/description
Hello everyone,I'm looking for Intel's IPP LZSS description. What I've found so far is that it uses 32KB window and MAX_MATCH=256 (Why?)The most well-known LZSS implementation is Haruhiko Okumura's...
View ArticleNo DLL was found in the Waterfall - Error
Hi everybody,I'm not sure if this is the right forum to ask, please move if there is a better place to ask this qustion.I'm heaving trouble with the "Integrated Performance Primitives" library. A...
View ArticleRandUniform issue
Hello,I'm trying to use the function ippsRandUniform_Direct_64f, but I can't obtain anything, I just get a vector full of zeros. Here is the function I'm using, maybe there's something wrong with the...
View ArticleippiPyramidLayerDown, ippiPyramidLayerUp Slow
Previously I was using IPP 6.0 and doing pyramid construction. I did this using the ippConvolveValid functions, 2:1 integral decimation (c++ code), 1:2 expansion (c++ code), and the ippSub function....
View ArticleNot working multithreading in IPP library
Hi all! I use the IPP library for signal processing. Recently I needed to build my app with IPP library and run multithreaded version of FFT. After reading the documentation library, I saw that can...
View Articledelay of the request for cryptography libraries
I requested the cryptography for Intel IPP (for Linux) three days ago but have recieved no reply. What should I do now?If the request is approved, does that mean I can download cryptography libraries...
View Article