[FFmpeg-trac] #3921(avcodec:new): Faster RDFT
FFmpeg
trac at avcodec.org
Wed Sep 3 13:53:30 CEST 2014
#3921: Faster RDFT
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Reporter: ubitux | Owner:
Type: enhancement | Status: new
Priority: normal | Component: avcodec
Version: git-master | Keywords: fft rdft
Blocked By: | Blocking:
Reproduced by developer: 0 | Analyzed by developer: 0
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Our RDFT code is too slow, at least on x86. See http://kojevnikov.com
/faster-fast-fourier-transform.html
We probably want to add a {{{ff_rdft_calc_sse/avx}}} (and/or maybe
consider another algorithm?).
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Ticket URL: <https://trac.ffmpeg.org/ticket/3921>
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