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path: root/libavcodec/iirfilter.h
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* avcodec/iirfilter: Make ff_iir_filter_free_state() also zero the freed pointerMichael Niedermayer2014-10-14
| | | | Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* avcodec/iirfilter: Change ff_iir_filter_free_coeffs() so it clears the ↵Michael Niedermayer2014-10-14
| | | | | | pointers as well Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* mips: Optimization of IIR filter functionBojan Zivkovic2013-03-20
| | | | | | Signed-off-by: Bojan Zivkovic <bojan@mips.com> Reviewed-by: Nedeljko Babic <Nedeljko.Babic@imgtec.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* iir: Change dst param to float* in ff_iir_filter_flt().Justin Ruggles2011-01-23
| | | | | Signed-off-by: Mans Rullgard <mans@mansr.com> (cherry picked from commit 69915b48d6a787e569826eecb6c3b34ec19aeccd)
* Add biquad high-pass and low-pass IIR filters.Justin Ruggles2011-01-21
| | | | | Signed-off-by: Mans Rullgard <mans@mansr.com> (cherry picked from commit fcdf0a43cd267c1d4193aa172b024f35903c286e)
* cosmetics: vertical alignment and line wrapJustin Ruggles2011-01-21
| | | | | Signed-off-by: Mans Rullgard <mans@mansr.com> (cherry picked from commit 75b98610a7ce7acf34f583a04aaccd8c619947fe)
* Add memory allocation failure checks to ff_iir_filter_init_coeffs().Justin Ruggles2011-01-21
| | | | | Signed-off-by: Mans Rullgard <mans@mansr.com> (cherry picked from commit d42dc217ed2b0f886ffc50b26c2bbff1fee5feca)
* Add function ff_iir_filter_flt() to accept floating-point input and output.Justin Ruggles2011-01-21
| | | | | Signed-off-by: Mans Rullgard <mans@mansr.com> (cherry picked from commit 0a3d7697b4fcb62305cd4a893b621a406a029ff0)
* Remove explicit filename from Doxygen @file commands.Diego Biurrun2010-04-20
| | | | | | | | Passing an explicit filename to this command is only necessary if the documentation in the @file block refers to a file different from the one the block resides in. Originally committed as revision 22921 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Use full internal pathname in doxygen @file directives.Diego Biurrun2009-02-01
| | | | | | | Otherwise doxygen complains about ambiguous filenames when files exist under the same name in different subdirectories. Originally committed as revision 16912 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Globally rename the header inclusion guard names.Stefano Sabatini2008-08-31
| | | | | | | | | Consistently apply this rule: the guard name is obtained from the filename by stripping the leading "lib", converting '/' and '.' to '_' and uppercasing the resulting name. Guard names in the root directory have to be prefixed by "FFMPEG_". Originally committed as revision 15120 to svn://svn.ffmpeg.org/ffmpeg/trunk
* Add generic IIR filter interface with Butterworth lowpass filter implementationKostya Shishkov2008-08-28
and remove obsoleted old lowpass filter. Originally committed as revision 15005 to svn://svn.ffmpeg.org/ffmpeg/trunk
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