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

[Alex Converse]

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.