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2011-01-23iir: Change dst param to float* in ff_iir_filter_flt().Justin Ruggles
Signed-off-by: Mans Rullgard <mans@mansr.com> (cherry picked from commit 69915b48d6a787e569826eecb6c3b34ec19aeccd)
2011-01-21Add biquad high-pass and low-pass IIR filters.Justin Ruggles
Signed-off-by: Mans Rullgard <mans@mansr.com> (cherry picked from commit fcdf0a43cd267c1d4193aa172b024f35903c286e)
2011-01-21cosmetics: vertical alignment and line wrapJustin Ruggles
Signed-off-by: Mans Rullgard <mans@mansr.com> (cherry picked from commit 75b98610a7ce7acf34f583a04aaccd8c619947fe)
2011-01-21Add memory allocation failure checks to ff_iir_filter_init_coeffs().Justin Ruggles
Signed-off-by: Mans Rullgard <mans@mansr.com> (cherry picked from commit d42dc217ed2b0f886ffc50b26c2bbff1fee5feca)
2011-01-21Add function ff_iir_filter_flt() to accept floating-point input and output.Justin Ruggles
Signed-off-by: Mans Rullgard <mans@mansr.com> (cherry picked from commit 0a3d7697b4fcb62305cd4a893b621a406a029ff0)
2010-04-20Remove explicit filename from Doxygen @file commands.Diego Biurrun
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
2009-02-01Use full internal pathname in doxygen @file directives.Diego Biurrun
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
2008-08-31Globally rename the header inclusion guard names.Stefano Sabatini
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
2008-08-28Add generic IIR filter interface with Butterworth lowpass filter implementationKostya Shishkov
and remove obsoleted old lowpass filter. Originally committed as revision 15005 to svn://svn.ffmpeg.org/ffmpeg/trunk