DivX5 - please read

[Doom9]

I've opened a new forum for DivX5.. please use it for all DivX5 related stuff.

And respect the forum rules. Especially this part:
Do not ask "what's best" because this question cannot be answered objectively. Each and everyone has their own view about what's best in a certain area. The best is what works best for you!
we don't need no flamewars about which codec is best.. it will take us some time to properly learn to use all the new features (and DXn probably a couple of revisions to squash all the last minute bugs) and to do some reasonable comparisons. You should be aware that especiall in the RC (rate control = size prediction) area and in the psy settings area work is still very much ongoing. Currently the best way to make a good comparison is using the CQ mode, and use that for all the codecs. That way you can see the effects of a certain setting without other things interfering.

[shh]

> we don't need no flamewars ...

So, do we need some?!? :D

Cheers
shh

[rui]

Originally posted by Doom9
Currently the best way to make a good comparison is using the CQ mode, and use that for all the codecs. That way you can see the effects of a certain setting without other things interfering.

For testing the pure codec quality, this maybe right.
But, for the normal user, the one that wants to encode to a determined number of cd's, this isn't, IMHO, the best method.

I always do 2 pass encoding, by choosing the file size I want (in case of Xvid), or the corresponding bitrate (in case of Dvix5). If the codec can’t reach that file size, than it’s his fault, and, in my opinion, a disadvantage for it. That was an upper point that divx3 had on divx4. Then, I compare the two avi’s created by each codec.

Your method can be more exact, but the 2 pass method is for sure more realistic.

[AM Tiainen]

Originally posted by rui


For testing the pure codec quality, this maybe right.
But, for the normal user, the one that wants to encode to a determined number of cd's, this isn't, IMHO, the best method.

I always do 2 pass encoding, by choosing the file size I want (in case of Xvid), or the corresponding bitrate (in case of Dvix5). If the codec can’t reach that file size, than it’s his fault, and, in my opinion, a disadvantage for it. That was an upper point that divx3 had on divx4. Then, I compare the two avi’s created by each codec.

Your method can be more exact, but the 2 pass method is for sure more realistic.

You are totally right. What doom9 is think when he is wrote that best mode to compare is CQ mode! Also my opinion is that only best comparisor is if file size is same (or very close, divx 4 make allways smaller file size as it is defined).

PS. You can see MPEG-4 (SBC, XviD, DivX4 & DivX5) comparisor test from http://www.nixed-hq.com or directly from http://koti.mbnet.fi/website/mpeg4test/ . Also http://mukoli.free.fr/video/ has some comparisor test between XviD/DivX4/DivX5.

[mikemikez]

No, we don't need flamewars indeed... Quality especially at high bitrates(which you wanna use anyway for anything serious) is too close for that.

But if you start a DivX 5 forum you should start a WIndows Media forum too and meaybe some others. Windows Media encoder is Free withh all options included!!

It's not about quality but the way divx-networks is trying to fool people and make them install spyware. Not to talk about the damage done to totally unknowing people who will mess up playback of other codecs etc.. when they install divx5.

Mikez