rockbox/apps/codecs/libtta/README.rockbox
Yoshihisa Uchida 0f5c6d47d4 add True Audio (TTA) codec
decoding speed iPod video ~153%
But in some players, the decoding speed is not enough.
(e.g., H180 52.4% (thanks amiconn), H300 55.09% (thanks n1s))

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25994 a1c6a512-1295-4272-9138-f99709370657
2010-05-13 12:40:09 +00:00

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Library: True Audio
Imported by : Yoshihisa Uchida
Import date : 2010-03-05
Baseed by : TTA library version 1.2 for hardware players (ttalib-hwplayer-1.2.tgz)
from http://true-audio.com/Free_Downloads
This directory contains a decoder version of True Auido.
LICENSING INFORMATION
True Audio license is described in the README file or each source file (excepts filter_arm.S)
in this directory.
Limitation
In some players, the decoding speed is not enough ( < 110%).
(For example, H180: decoding speed < 60%)
IMPORT DETAILS
The .[ch] files from ttalib-hwplayer-1.2.tgz were imported into Rockbox.
But the following files do not include.
Makefile
tta.vcproj
samples/*
When source files import in Rockbox, I changed below.
all files
- TAB => 4 spaces.
- // style comments changes to /* */ style.
Moreover, I modify to optimize the decoding speed.