On Thu, Oct 6, 2011 at 9:30 AM, Christian Robottom Reis <k...@linaro.org> wrote: > On Thu, Oct 06, 2011 at 08:44:01AM +0300, Fathi Boudra wrote: >> On 6 October 2011 00:43, Mans Rullgard <mans.rullg...@linaro.org> wrote: >> > On 5 October 2011 18:35, Christian Robottom Reis <k...@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?
Sounds like there needs to be a discussion with Bill. I would be interested how he is measuring image "quality. > -- > Christian Robottom Reis, Engineering VP > Brazil (GMT-3) | [+55] 16 9112 6430 | [+1] 612 216 4935 > Linaro.org: Open Source Software for ARM SoCs -- Regards, Tom "We want great men who, when fortune frowns will not be discouraged." - Colonel Henry Knox Linaro.org │ Open source software for ARM SoCs w) tom.gall att linaro.org w) tom_gall att vnet.ibm.com h) tom_gall att mac.com _______________________________________________ linaro-dev mailing list linaro-dev@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-dev
