[FFmpeg-devel] [PATCH/RFC] Add some dsputil functions useful for AAC decoder

Alex Converse alex.converse
Sat Sep 19 18:49:29 CEST 2009

On Fri, Sep 18, 2009 at 6:11 PM, Mans Rullgard <mans at mansr.com> wrote:
> This patch adds a few dsputil functions that can be used in the AAC
> decoder.
> With trivial NEON versions of these functions, the AAC decoder gets
> ~1.6x faster on Cortex-A8, and better NEON code will push that even
> further.

On what sort of sample material? I ask this because it looks like a
few of these functions are for channel coupling which is rarely seen
in the wild.

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