Ben Avison 5a272190a0 armv6: Accelerate butterflies_float
I benchmarked the result by measuring the number of gperftools samples that
hit anywhere in the AAC decoder (starting from aac_decode_frame()) or
specifically in butterflies_float_c() / ff_butterflies_float_vfp() for the
same sample AAC stream:

                   Before          After
                   Mean   StdDev   Mean   StdDev  Confidence  Change
Audio decode       1542.8 43.7     1470.5 41.5    100.0%      +4.9%
butterflies_float  130.0  11.9     70.2   12.1    100.0%      +85.2%

Signed-off-by: Martin Storsjö <martin@martin.st>
2014-07-18 01:34:38 +03:00
2014-06-18 14:55:28 +02:00
2014-04-06 21:18:49 +02:00
2014-05-11 15:00:03 +02:00
2013-07-07 21:43:23 +02:00
2014-06-18 14:55:28 +02:00
2014-03-13 11:59:34 +01:00
2011-03-16 21:54:39 +01:00
2011-04-07 02:54:12 +02:00
2014-02-12 13:13:17 +00:00
2014-06-18 14:55:28 +02:00
2014-03-13 08:24:11 -04:00

Libav README
------------

1) Documentation
----------------

* Read the documentation in the doc/ directory.

2) Licensing
------------

* See the LICENSE file.
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