From 0f5c6d47d4fdd17260b840024880ba6dd3fdf935 Mon Sep 17 00:00:00 2001 From: Yoshihisa Uchida Date: Thu, 13 May 2010 12:40:09 +0000 Subject: 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 --- apps/codecs/libtta/README.rockbox | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 apps/codecs/libtta/README.rockbox (limited to 'apps/codecs/libtta/README.rockbox') diff --git a/apps/codecs/libtta/README.rockbox b/apps/codecs/libtta/README.rockbox new file mode 100644 index 0000000000..d605986d46 --- /dev/null +++ b/apps/codecs/libtta/README.rockbox @@ -0,0 +1,34 @@ +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. -- cgit v1.2.3