[ACTIVITY] Multimedia WG - Weekly Status for wk39.2011 (20110926-20110930)
Christian Robottom Reis
kiko at linaro.org
Thu Oct 6 14:30:40 UTC 2011
On Thu, Oct 06, 2011 at 08:44:01AM +0300, Fathi Boudra wrote:
> On 6 October 2011 00:43, Mans Rullgard <mans.rullgard at linaro.org> wrote:
> > On 5 October 2011 18:35, Christian Robottom Reis <kiko at linaro.org> wrote:
> >> On Wed, Oct 05, 2011 at 08:09:03PM +0300, Fathi Boudra wrote:
> >>> Debian/Ubuntu P are going to move to libjpeg8 by default making
> >>> current package obsolete in the future.
> >> Note that when we asked Darrell about this he questioned the performance
> >> benefits of version 8. Mans probably knows more.
> > There is no benefit to v8. v7 added support for the rarely/never used
> > arithmetic coding option, left out of earlier versions due to patent
> > issues. Since nobody uses this mode, supporting it is irrelevant.
> > v8 only adds some experimental, non-standard coding options even less
> > relevant to any real-world uses. What is relevant is, however, that
> > v8 is significantly slower than v6 in the default configuration. I
> > don't remember if this slowdown was present already in v7.
> According to Bill Allombert, v8 support more image format and provide
> a higher image quality.
I really question this statement based on what Mans and Darrell have
both said (a number of times now). Where is the hard data that shows
this is true?
Christian Robottom Reis, Engineering VP
Brazil (GMT-3) | [+55] 16 9112 6430 | [+1] 612 216 4935
Linaro.org: Open Source Software for ARM SoCs
More information about the linaro-dev