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Old 28th October 2010, 14:16   #1  |  Link
kieranrk
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x262 Development Thread

ifb and I are writing x262, an mpeg-2 encoder building on the best-in-class features of x264

Git tree (more likely to be broken than working at any given time):

http://github.com/kierank/x262

Intra working. Inter in development.

Last edited by kieranrk; 10th December 2010 at 08:17.
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Old 28th October 2010, 14:18   #2  |  Link
ifb
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Now I need to finish quant.
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Old 28th October 2010, 22:39   #3  |  Link
shon3i
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I will send you DVD specs, as soon i remember to look at workplace
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Old 1st November 2010, 06:22   #4  |  Link
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perfect! now all you need is to fill those blocks up with pixels!



seriously looking forward to this one. who said mpeg-2 is dead? CCE is still selling and DTV is looking as crap as ever, so there's always going to be room to stir things up a bit.

best of luck!
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Old 1st November 2010, 09:26   #5  |  Link
aegisofrime
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Interesting project! I don't think DVDs are going away anytime soon (The install base is too huge!), so somebody will find a use for this for a long time yet! All the best!
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Old 2nd November 2010, 10:58   #6  |  Link
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But where compile program for testing?
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Old 2nd November 2010, 16:54   #7  |  Link
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Originally Posted by Gromozeka View Post
But where compile program for testing?
There's nothing to test yet, unless you want your encodes to look like the above. Follow one of the guides for compiling x264, but clone the x262 github repository instead of official x264. Patches welcome.

Quant is done, but mostly untested until AC coefficient VLCs are written to the bitstream. Then we can encode more than an 8x8 blockfest.
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Old 6th November 2010, 04:01   #8  |  Link
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who said mpeg-2 is dead?
Hear hear. Honestly, I get a ton of satisfaction from producing DVDs with Cinema Craft, because the quality dumps all over what's seen on most commercial discs when it's used carefully. The satisfaction from doing MPEG-2 right is huge because it's not so easy.

So I look forward to seeing what this can do!
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Old 17th November 2010, 16:07   #9  |  Link
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so i notice there is no update on this topic... how is dev. going for this atm?
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Old 17th November 2010, 16:11   #10  |  Link
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ifb finished off intra and we're moving on to inter.
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Old 18th November 2010, 01:13   #11  |  Link
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nice! so the blocks are filled with details now?

just to illuminate things here, how much needs to be done to squeeze the x264 elephant into the mpeg-2 morris mini?
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Old 20th November 2010, 05:48   #12  |  Link
7ekno
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Is the VAQ framework also going to be featured ?!?

Tek
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Old 9th December 2010, 13:36   #13  |  Link
jfcarbel
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Is this reason why you might be developing this project?
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Old 9th December 2010, 19:34   #14  |  Link
kieranrk
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Is this reason why you might be developing this project?
Not at all. That reason doesn't even make much sense.

The Open Source Broadcast Encoder is the main reason x262 is being written.
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Old 9th December 2010, 23:18   #15  |  Link
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So you're targeting the broadcast space, not DVDs? Or both? Very interesting now.
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Old 10th December 2010, 00:18   #16  |  Link
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Not at all. That reason doesn't even make much sense.

The Open Source Broadcast Encoder is the main reason x262 is being written.
And later introduce commercial license as with x264


Andrew
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Old 10th December 2010, 07:47   #17  |  Link
kieranrk
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So you're targeting the broadcast space, not DVDs?
Personally I don't care much for DVDs. I don't think ifb does either.
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Old 10th December 2010, 08:12   #18  |  Link
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Originally Posted by kieranrk
Personally I don't care much for DVDs. I don't think ifb does either.
But will it be possible to create DVD compliant encodes with x262?
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Old 10th December 2010, 08:15   #19  |  Link
kieranrk
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But will it be possible to create DVD compliant encodes with x262?
Very likely yes.
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Old 10th December 2010, 08:24   #20  |  Link
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OK, otherwise IMHO it will be useless.
Is there a time scheme when it will be finished?
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