[gst-devel] fftw3 plugin?

David I. Lehn dlehn at vt.edu
Mon Jan 19 14:46:01 CET 2004


* Shanat Krishnamurti <shanatk at gdnmail.net> [2004-01-19T17:01:28-0500]:
>  i was wondering if there is a plugin that uses the fftw3 library to convert the audio data stream from the time domain to the ferquency domain and vice versa, ( time2freq, freq2time ), so i can use it for analysis ( EQ )
> i.e. the pipeline looks like this:
>  osssrc ! time2freq ! analysis ! freq2time ! osssink
> 

Don't forget that for audio you can use a ladspa plugin such as
Multiband EQ from the swh-plugins package.  mbeq is based on the fftw
lib.

$ gst-inspect ladspa-mbeq

This isn't as flexible as custom gst elements but if you just want an eq
it's probably sufficient.

-dave




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