[asterisk-users] Transcoding

[Tzafrir Cohen]

On Wed, Aug 06, 2008 at 10:15:00AM -0500, Tilghman Lesher wrote:
> On Wednesday 06 August 2008 08:13:09 Darren Sessions wrote:
> > I would make absolutely sure you've got your linux distro's version of
> > libgsm installed. I can't really speak to the difference between those
> > two versions of Asterisk without looking at a change-log, but I highly
> > doubt a serious modification to the gsm code took place between sub-
> > versions.
> 
> There was one slight change, which will only make a difference if you're
> using gcc 4.2 or above.  The change was to fix a new optimization in gcc
> 4.2 that caused some inline assembly to be incorrectly built, which
> corrupted sound.

Also note that the issue was triggered by uisng -O3. I know that at
least most Debian packages are built with -O2 .

-- 
               Tzafrir Cohen
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