IPP UIC Performing very slow !!!
Hi,I am trying to observe the performance level of the IPP, for decoding purposes. I installed all the IPP package correctly, and was able to do some encodin/decoding tests with different file...
View ArticleNo threads being created when ippSetNumThreads is called
I have been trying to compress and decompress a text file using the LZO algorithm that IPP provides. It works fine when single threaded.I tried using the function ippSetNumThreads() with arguments...
View ArticleippsTone_Direct replacment (deprecation warnings)
Good day,Is there a recommended replacement for ippsTone_Direct_32fc? Ipp 7 has deprecated this and related functions, and I can't see an obvious replacement.Thanks.
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how to create j2k codestream
Hello,I use IPP library version 7.0.7 through UIC layer.I need to create j2k codestream in order to create pixel data for DICOM file.I don't know if there is a way to create j2k codestream directly....
View Articleefficient multiplale fft's
Hello, I wan tto use fft to filter a large 2d image (~1000x1000). I want to filter the image several times each time with a different kernel (~21x21).To benefit from the using the fft i can calculate...
View ArticleCompositing images
This is a theory question!My objective is to add annotations to a video frame.Say, I take a video frame, and want to add text to it.My decoded frame is in YUY2 space. This is what I am thinking I...
View ArticleParallel Intel IPP FFT function
Hi experts: I want to do multiple FFT and I want to do them in parallel. So my code is similar as the following:ippsFFTGetSize_C_32fc(....)ippsFFTInit_C_32fc(...FFTSpec, Buffer)parallel_for(0,...
View ArticleExporting progressive JPEGs
Using the modified version of IJG80b in IPP-Samples, normal non-prgressive saving of JPEGs works as expected. After calling jpeg_simple_progression to setup the progressive scan script the export...
View ArticleIPP filters ippsNrHigh , ippsNrMedium, ippsNrLow difference
Hi, We have used these filters in our application for various offline files, found no much difference in Noise Reduction between these levels, so can u please help us explaining why there is no...
View ArticleAbout IPP License
I have a question about Intel IPP License. My company purchased Intell IPP last year and I have developed wrapper library including IPP static library.It can decode and render vide streams at the same...
View ArticleIPP filters ippsNrHigh , ippsNrMedium, ippsNrLow difference
Hi, We have used these filters in our application for various offline files, found no much difference in Noise Reduction between these levels, so can u please help us explaining why there is no...
View ArticleDynamic Linkage
Does your product link to IPP dynamically? And if so, what would be the potential impact to you if Intel were to remove dynamic linkage entirely from the product and only provide static linkage as part...
View ArticleAdding the license
Hello I was using the evaluation version at my work, My coleague bought a license for me. How do I update license info ?I dont see anywhere to activate with the license. Do I have to uninstall and...
View ArticleUIC JPEG decode 420 format
Hello,I want to use UIC library to decode MJPEG frames (input format 420) in YUV422 interleaved format or YUV420 planar (if it is possible).I was able to do it correctly with the old IJL library: I...
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How to Use IPP Functions in Linux Kernel Space
Hi,I try hard to write a Linux driver module with IPP functions. But I failed to use ipp funcs in module. I attached my simple test code and makefile. Is there anybody to help me look into it and tell...
View ArticleIntel IPP 7.1, Mac OS X 10.8 and XCode 4.6
Hello,I have the following configuration:MAC OS X 10.8Intel IPP 7.1XCode 4.6I couldn't find any documentation on how properly link the IPP libraries under this configuration.You have only an article...
View ArticleippiFilter
I have trouble with filter functions. Why does the code given throw an exception? dimX is 336, dimY is 333. The incoming image is single channel Ipp32f* type.Pulling my hair out.Thanks! bool...
View ArticleWhich JPEG encoder should I use
I have downloaded the 7.1 IPP samples and noticed that there are 2 jpeg encoder/decoder's. One is in UIC and one is in image codecs. The UIC one uses just IPP but the image codec uses ijg8. Is there a...
View ArticleUpsampling and downsampling, powers of 2
What is the fastest way to upsample or downsample a signal, given that both block sizes and up/downsample ratios are all powers of 2? For some audio processing filter I need to upsample and downsamplte...
View ArticleippsFIR_32fc_I -> ippsFIR_32fc
Can the source and destination parameters for ippsFIR_32fc (the non-inline version) safely be the same array? Thanks
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