alpha testers required

[len0x]

I'm looking for alpha testers for version 0.29.
So far it's mainly for testing OGM & MKV support (i.e. not only test that it works, but bitrate calcultor tests as well). Since 0.29 is in heavy development I don't want to release it to the public at all, so I decided to create a mailing list at SF called "gordianknot-alphas", which will be available tomorrow or the day after. Those who interested can subscribe to it at SF as well.

P.S. As testers I'd like to see ppl who have lots of spare CPU processing power since we need quite a number of options to be tested on full 1/2 CDs encodes...

*EDIT* list is actully up and running

[ChristianHJW]

/me goes subscribing

EDIT :

http://sourceforge.net/mail/?group_id=77391


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[spyder]

len0x: I will get that code finished soon hopefully. CUrrently I am in a mad rush to clear my Hard Drive before Windows XP goes haywire and I lose everything. I haven't had time yet to make it a DLL. Currently it is C code and doesn't support Vorbis very well. If you want the code as it is in the current form, let me know.

PS: I am talking about the overhead calculation code which Christian informed me everyone needed desperately ;)

[DaveEL]

http://lists.sourceforge.net/mailman/listinfo/gordianknot-alphas

DaveEL

[len0x]

I got really sick, so first alpha version will be delayed. :(
Stay tuned...

[cypher_soundz]

gonna sign up , i encode a DVD nearly every night , trying to get ½ & ¼ cd's to look good (well better ;)) i use ogm allot , not really used MKV yet. This may be the starting point ;)

[ChristianHJW]

Originally posted by cypher_soundz
gonna sign up , i encode a DVD nearly every night , trying to get ½ & ¼ cd's to look good (well better ;)) i use ogm allot , not really used MKV yet. This may be the starting point ;)

:eek: :eek: !!!

len0x, where are you? Get healthy quick, we need you, we may have the chance to double our existing userbase, its all in your hands now :D ....

[len0x]

OK, here is situation.
I've tried looking at the code for MKV bitrate calculator and couldn't make sense out of it. I really need to spent some time looking at it (as well as at OGM calculator as well). Unfortunately I do not have any spare time atm. And on top of it I'm going on holidays in a week (for another three weeks). So there will no active development until 15th of August. full stop.

P.S. it makes no sense to test something half done espesially when I'm not here...

[len0x]

I've managed to produce first version of calculator for MKV based on Spyder's code. A couple of questions though (spyder is away afaik, so other from matroska team might be able to answer):

1. Laced vs non-laced. What is the default mode when you do encoding via VDubMod now ?

2. Interleaving settings for AC3 don't take into account interval in frames. Does MKV not care about that settings?

3. mp3 CBR vs VBR: so far I saw overhead is the same for both of them. Is it really true for MKV ?

[Atamido]

1. The default mode for the library, and likely any program to use it is Laced. VDMod uses most of the default settings in the library, including the this one. Pretty much any existing files are going to have audio laced.

2. I'm not really sure. There are some intereleaving options that you COULD do, but in either case it wouldn't effect overhead. I'm pretty sure that option has no effect when writing MKV's though.

3. Most of the overhead that comes into play is from the number of data packets, as opposed to the size of the data packets. Since there is the same total number of data packets with VBR as with CBR, there shouldn't be a difference in overhead. It is possible for it to be a tiny bit different if a particular data packet goes over a certain size, but it isn't likely to happen enough to be noticed.

[ChristianHJW]

I am still not sure what you guys mean with 'interleaving' . A matroska file contains of one or more independent tracks, of which every has his own time timestamps to keep sync between them, so what are you guys refering to if you talk about 'interleaving' with respect to matroska ? There is the possibility to define a delay for every track in the track header to make some fine tuning without having to rewrite the complete file ( not sure if its implemented already, but its in the specs ), but this wont increase overhead at all ?

[spyder]

I don't understand the AC3 question either. But I know that code is incomplete. It is only tested with stereo AC3 at 192kbps. For anything else you should not use lacing, it doesn't save space.

[spyder]

I also totally forgot in the course of my vacation that Cues may not be handled correctly in this code. I will need to check but they may be. I can't remember. Maybe too much liquor this week ;)

John

[suspiciousBob]

forgive me if I appear thicker than the offspring between a TV weather girl and the village idiot, but where can I get a build of the new GK alpha with OGM support?

I signed up to the GK alpha mailing list, and so far have got no emails from it. I have HDs full of vobs I'm waiting to encode to OGM (1/4 CD episodes, and 1CD/2CD rips) but can't wait indefinitely for a build of the beta that may or may not turn up.

Any help appreciated.

[len0x]

like I said nothing have been released so far. And I'm leaving today for three weeks holiday. So if tHe gLouCh feels like giving something out it'll be in that alpha list, but not here. We rebuilded quite a lot of things recently, so GK might not be stable even for AVI container :)

P.S. Bitrate calculator for OGM is way off at the moment (at least for DIVX + OGM + any audio). So, tHe gLouCh, you might want to revert to what you were using before. But Matroska calculator looks promising, but if when I return I could have the following, then it would be really nice and I could update calculator and start proper alpha testing:

- difference between divx & xvid video overhead
- difference between cbr & vrb mp3 (even average approximation will do since now I see the diff in ~300K per 350Mb which is quite large just for audio...)
- Vorbis audio calculation which seems to have worst estimation at the moment

Cheers!

[tHe gLouCh]

GordianKnot 0.29 Alpha 1 released on AlphaList.

https://lists.sourceforge.net/lists/listinfo/gordianknot-alphas

[SiXXGuNNZ]

so, I signed up, and I only get this error over and over again when clicking the link to the list



ERROR
Forum is restricted to members of this group

[len0x]

you're getting this error when trying to post to it?

make sure you'ra posting from the address you registered it with...

[SiXXGuNNZ]

Originally posted by len0x
you're getting this error when trying to post to it?

make sure you'ra posting from the address you registered it with...

ok, maybe I was confused :D I was trying to find where the alphas were so I could test em :D

[magnum]

I also subscribed. But how do I access the archive list? I get an ERROR message: Forum is restricted to members of this group
:confused: