Date: Wed, 14 Dec 2011 11:12:16 +0200 From: Nikos Vassiliadis <nvass@gmx.com> To: Dennis Glatting <freebsd@pki2.com> Cc: freebsd-questions@freebsd.org Subject: Re: Forward error correction routines? Message-ID: <4EE86870.7000501@gmx.com> In-Reply-To: <1323834341.50157.2.camel@btw.pki2.com> References: <1323834341.50157.2.camel@btw.pki2.com>
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On 12/14/2011 5:45 AM, Dennis Glatting wrote: > I am looking for /any/ forward error correction code under FreeBSD, > whether Hamming Codes, Golay Codes, Reed-Solomon, BCH codes, etc. or > convolution encoders/decoders. > > All I've found is: > > * libfec, which only runs under i386 (I am 64 bit), and > * reed-solomon, which is merely a library and no executables. > > Is there any usable utilities? Clue please. You could try this: http://users.softlab.ntua.gr/~ttsiod/rsbep.html It is meant to be used with storage devices and does interleaving so it can recover a lost sector. Hint: the decoded output contains garbage at the end, you have to use the included utility(or dd) to get the correct file size. HTH, Nikos
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