[FFmpeg-devel] [PATCH 0/5][RFC] Speed up AAC decoder
Wed Jan 13 17:03:18 CET 2010
On 13/01/10 15:15, M?ns Rullg?rd wrote:
> Mans Rullgard<mans at mansr.com> writes:
>> This patch series speeds up the AAC decoder by 25-50% on Cortex-A8 and
>> by 20-30% on Core i7.
>> Some of the more obscure parts certainly need a few comments, which I
>> will add if there are no objections to this approach.
>> Mans Rullgard (5):
>> AAC: use table for cbrtf(n)*n
>> AAC: Compress codebook tables and optimise sign bit handling
>> AAC: simplify some calculations in decode_spectrum_and_dequant()
>> AAC: Unswitch loop over window groups in decode_spectrum_and_dequant()
>> AAC: Reduce depth of vlc_spectral tables to 2
> Any further comments on this?
As the changes pass the compliance tests and I don't have any more
comments on the code itself, you have the green light to commit from me.
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