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 Readme for:  Development » Library » Audio » liba52.lha


Description: low-level interface to decode AC-3 audio
Download: liba52.lha       (TIPS: Use the right click menu if your browser takes you back here all the time)
Size: 764kb
Version: 0.8.0
Date: 14 Apr 2024
Author: see AUTHORS
Submitter: Raziel
Email: raziel_nosgoth/web de
Homepage: http://liba52.sourceforge.net/
Category: development/library/audio
Replaces: development/library/audio/liba52.lha
License: GPL
Distribute: yes
Min OS Version: 4.1
FileID: 12905
Comments: 0
Snapshots: 0
Videos: 0
Downloads: 88  (Current version)
326  (Accumulated)
Votes: 0 (0/0)  (30 days/7 days)

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AmigaOS4 notes:

I know that there is another a52 package on the depot, but that one
is more aimed towards codecs and it doesn't hold the libraries (.so/.a),
which i need for one of my ports.

Source included


liba52 is a free library for decoding ATSC A/52 streams. It is
released under the terms of the GPL license. The A/52 standard is used
in a variety of applications, including digital television and DVD. It
is also known as AC-3.

The main goals in liba52 development are:

      *	Portability - Currently all of the code is written in C, and
	when we write platform-specific optimizations we will always
	keep a generic C routine to fall back on.

      *	Reuseability - we do not want liba52 to include any
	project-specific code, but it should still include enough
	features to be used by very diverse projects.

      *	Precision - We are trying to implement all of the A/52
	standard, and to have a very precise output by doing all the
	calculations in floating point. We have a test suite that
	detects any deviation in the output when compared to previous
	versions. We do not have access to official A/52 test vectors
	though, so we have to use our judgement to ensure that such
	deviations are only intruduced when we fix bugs !

      *	Speed - liba52 is really fast, on any modern PC it should take
	only a few percent of CPU time.

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