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Subject: Re: GSoC 2011 Idea - Audio Codec Optimisation

Re: GSoC 2011 Idea - Audio Codec Optimisation

From: Michael Sparmann <>
Date: Sat, 26 Mar 2011 18:52:04 +0100

> While working on that , I also found out that the flac decoder files
> misses(as per my perception) some features such as the MD5 signature
> verification. I would like to add that it can be very useful to include
> the MD5 signature verification as it can detect some serious
> transmission errors related to the flac file. Your comments are welcome
> upon this !

When starting decoding of a file, you can't rely on the file being
completely in RAM. So you'll either only know if the MD5 was correct
after you finish decoding it (which seems useless to me), or you'd have
to scan the whole file before starting to decode it, which would
increase latencies and hit battery life badly. So this doesn't sound
like a good idea to me...

Just my two cents


Received on 2011-03-26

Page was last modified "Jan 10 2012" The Rockbox Crew