Message-Id:	<202212311952.2BVJqOkJ023030@delorie.com>
Date:	Sat, 31 Dec 2022 17:42:54 +0100
From:	"Juan Manuel Guerrero (juan DOT guerrero AT gmx DOT de) [via djgpp-announce AT delorie DOT com]" <djgpp-announce AT delorie DOT com>
To:	djgpp-announce AT delorie DOT com
Subject:	ANNOUNCE: DJGPP port of Opus 1.3.1 uploaded.
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Reply-To:	djgpp AT delorie DOT com

This is a port of Opus 1.3.1 to MSDOS/DJGPP.


Opus is a codec for interactive speech and audio transmission over the Internet.
Opus can handle a wide range of interactive audio applications, including
Voice over IP, videoconferencing, in-game  chat, and even remote live music
performances. It can scale from low bit-rate narrowband speech to very high
quality stereo music.
Opus is specified by IETF RFC 6716: https://tools.ietf.org/html/rfc6716
The Opus format and this implementation of it are subject to the royalty-
free patent and copyright licenses specified in the file COPYING.



  DJGPP specific changes.
  =======================

  - The port does not support being compiled with assembler optimized
    code.  This also means that both, the SSE support and the run-time
    CPU detection have been disabled.  If this support is wanted, then
    the user has to port it alone and make the required adjustments for
    his particular sound hardware.

  - The reading/writing stream is switched into O_BINARY mode.  If the
    stream is connected to stdin/stdout/TTY, then Ctrl-C and Ctrl-Break
    are re-enabled so the user can interrupt the program.

  - Apart from those changes there are no other user visible ones.  Only
    some small changes have been done to get the library configured and
    compiled.

  - The html formatted documentation has been generated on a linux machine
    using Doxygen and is not SFN clean.

  - Opus does not provide any test suit so the port cannot be tested
    except by using it.

  - To configure and compile this port at least the following version of
    Bash and Make are required:
      http://ftp.delorie.com/pub/djgpp/current/v2gnu/bsh4253b.zip
      http://ftp.delorie.com/pub/djgpp/current/v2gnu/mak43br2.zip
    No previous versions will work nor are supported.  Any future version
    should work.

  - The port has been configured and compiled on WinXP SP3, Win98SE and
    MSDOS 6.22 with DOSLFN v0.41f.  There is no guarantee that this may
    be possible with any other DOS-like OS.  Due to the use of long file
    names it will not be possible to configure and compile without LFN
    support.  The port has been compiled using gcc346 and bnu2351b.

  As usual, all djgpp specific files (diffs, README files, etc.) are stored
  in the "djgpp" directory.  The sources have been configured to be build
  in the "0build" directory.  If for some reason it does not work for you,
  delete its contents and configure from scratch again.

  Please read the docs to become familiar with this product.


  Here is an extract of the ChangeLog file showing the user visible changes
  from the last port (Opus 0.0.0) to this one:

-------------------------------------------------------------------------------

This is the first port.  Read the documentation.


-------------------------------------------------------------------------------




  The port consists of the usual two packages that have been produced using
  djdev20X (CVS repository code) and can be downloaded from ftp.delorie.com
  and mirrors as (time stamp 2022-10-17):


    Opus 1.3.1 headers, library and man format documentation:
    http://ftp.delorie.com/pub/djgpp/current/v2tk/lops131b.zip

    Opus 1.3.1 source:
    http://ftp.delorie.com/pub/djgpp/current/v2tk/lops131s.zip



  Send Opus specific bug reports to <opus AT xiph DOT org>.
  Send suggestions and bug reports concerning the DJGPP port
  to comp.os.msdos.djgpp or <djgpp AT delorie DOT com>.


Enjoy.

    Guerrero, Juan Manuel <juan DOT guerrero AT gmx DOT de>

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