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...e uncompressed reference. So it's useful to have it lying around anyway. I don't know if we want to motion compensate the old reference though. - d: I don't think skip decisions helps you at all. You're tlaking about feed forward ...

- jm: if we don't use 4x4, it's even worse. look at http://jmvalin.ca/video/fruits_low2.png - d: we certainly don't. ...

* Don't code blocks that are outside the image * Re-order bitstream (e.g., don't code all MVs at the front, etc.) ...

...ce yourself. Hang out with us on IRC. Give us a chance to get to know you. Don't be shy. Multimedia programming is technically demanding and while we do e ...oject would you like to work on? If it's one from our list of suggestions, don't just copy the title from there - tell us a bit about what approach(es) yo ...

- jm: i don't know exactly what i want or need, but i watn to know whether my code is g ...ere to produce a motion compensated reference so you can blend it, but you don't have to spend a lot of bits coding it. this winds up being a pretty hard ...

...ks to the bloody FSF not cooperating with Creative Commons, or whatever, I don't care. If this article was plagiarized, I'll have no alternative but to d ...

...ere is what it actually looks like, because for something like deringing I don't trust our metrics. Do you have something we can look at? - m: I was there for some of it but don't really have a good understanding, have you written this up? ...

- x: Still working on pseudo-directional transforms. Though if it works (don't know yet), it is a varaint of Jean-Marc's idea -- encoding a strip of pix - x: In the transform domain they don't look different. ...

...age better make the curves better. it's a good part of our process that we don't have to care about the metrics. - j: summary: we don't need to beat webp for honolulu but do need to be better than where we are ...

Of course, they also don't handle basic Vorbis end-time trimming correctly, so it's not like they ev ...2) instead of O(N) (it's not hard to write O(N) code, but most people just don't realize the potential problem). The list goes on... ...

...ck size switching right now has kind of a high rate for mode signalling. I don't know yet whether it's caused by the block size decorrelating the mode val - d: That's interesting but I don't know the answer. ...

...room through a '''[https://webchat.freenode.net/ web interface]''' if you don't have an IRC client. * '''Do''' send separate "format-fixing" patches, making sure they don't change Opus' functionality at all. ...

- jm: i don't like copyright assignment. that's my only issue. - d: i don't see any reaosn it wouldn't work, but i don't know how you plan on handling the sudden changes at block boundaries. ...

- jm: i don't know - jm: i don't know ...

...sues and also learned that the blocksize switching is helping Haar which I don't understand - d: I have been looking at how I would actually want to do this and I don't think the per band interpolation that is in there is what we want to do ...

B: Don't worry, Opus works well under packet loss<br /> B: means we don't have to take out a loan<br /> ...

Re your XiphQT edit: what's wrong about it? The QT components certainly don't work on newer OSX/iTunes. ...

- jack: don't assign all reviews to tim by default :) ...nd i'm trying to investigate why. tim suggested i look for DC shift, but I don't thin it's a problem. He suggested I do a psnr for each kind of pixel and ...

- d: That's a different thing. I don't think we should make this meeting longer just for that. - jm: I don't know who else tried block size switching with current master, but whoever ...

- jm: i don't think it matters in the short term - d: we don't want the spacing to be linear. there's no reason it needs to be. ...

...yond flat to jpeg-style. multiscale SSIM will move where the other metrics don't. - xiphmont: what about people who notice we collect data but don't use it? ...

smarter: why do we need a limit? What happens if we don't have one? derf: x264 does this in its lookahead thread. We don't have a lookahead thread. We could copy their design (which requires rate ...

| don't code outside frame | don't use SAD (Sum of Absolute Differences) ...

u: I don't know if that causes other blocking artifacts when you don't run the post filter there t: I also have one for stieners generic SSIM patch, the only issue is that I don't think that it is used anywhere ...

- jm: exactly. i don't know how the actual quality relates (aside from raw metrics). once I saw - jm: before trying to train 16x16, which i think is doomed (way too hard, we don't code edges at 16x16). how about we get 4x4 to work with TF. just getting ...

- g: that's assuming we don't turn down the scaling at some high rate - jm: i don't think we should make the normal non-lossless case worse for lossless. ...

- jm: I don't see a way to avoid that. Mayber there is but I haven't seen it. I think t - d: I still think it is worth experimenting with. I don't think it will be as good as what you are doing now, but maybe it will be ...

- jm: I don't like automatic merges. ...thing that wavelets coders are doing where you don't have ringing but you don't geting any coding gain. ...

...size (because 32x32 doesn't work yet). I also run PSNR optimized because I don't have PSNRHVS or any of the other metrics that JM has. I switched JM's to - jm: I have a single matrix now, but I need to put back in interpolation. I don't think it's as bad as it was before, but I'm not sure exactly why. I've be ...

* [[Ghost]]: A "next-generation" audio codec (vapourware so far -- don't hold your breath) ...

- jm: We can build a table and if people don't want the table at least we know it's reasonable to compute. Are there a b - d: There's really only two. I don't want to do X-Y symmetries because transposing everything is expensive. Re ...

..., and it's a benchmark for future predictors. If you can't beat this, then don't bother. - j: What happens when the blocksizes don't match? ...

Both firmware variants don't support FLAC files. ...e-box. Even with a non-Korean-1.55 firmware they are still MTP devices and don't support Ogg Vorbis or AAC. ...

...ammer. Obviously doesn't matter now that there's real content here, but I don't think it was a proposal to delete the ambisonics page itself. [[User:Imal ...

...use encryption, it is a red flag, which is why we should all use it if we don't have to." ...

...ard to get exactly the same quantization for different block sizes and you don't want the block size decision to pick whatever block size is best calibrat ...soon as you change anything in the filter you change your QMs even if you don't change the numbers in the arrays. ...

=== Runs don't display === ...

- x: I don't know that I would. When I say splitting the difference, the filters aren' - x: I don't have a filter that is prediction only that is capable of representing the ...

Why don't you test ? 100 MHz Pentium 1 (just a guess) ...

- x: the answer is I don't know, but I would like to know. - y: no I don't think so, ...

* YYY = Your name. If you'll be using snail-mail, don't forget to sign the letter with a pen! ...e you'll need to edit out the template to remove what shouldn't be there. Don't forget that asking for all of them at once is probably not wise. ...

* Virtual playlist files don't work (code addressing this was merged into ''master'' branch) ...

...D curves more or less agressive (one of) is preferred all the time. so you don't want to pay too much attention to the RD curves. - jm: i don't know. ...

== But I don't care about any of those movements! I'm just a normal person. == ...ormat. Container formats are different to video and audio formats, but you don’t need to know [[A_Digital_Media_Primer_For_Geeks|the details]]. Just kee ...

- x: That's a larger loss and I don't know why it's happening. - jm: I still don't understand how it uses the max. ...

...nk this falls under the category of instagram filter and not a lot more. i don't know how to use it for video. maybe jm will find a way to use it for vide - t: just, since we don't have one, we are currently relying on the reconstructed frames for intrap ...

: While I have not looked in depth at the CLDR, I don't think it's something that matters here. Please don't restrict your codec from having more than 256 colors in a bitmap. ...

- s: I think we don't care whether it's called dynamic programming or not. - d: You don't have five octaves in an 8x8 block. ...

...world. We lost it when we switched block sizes anyway. Except now that we don't in some cases where we did before. ...would be, but keep in mind most codecs do AM on a macroblock level, and we don't do it on 4x4 at all because edges. ...

...sure that you check multiple rates. At low bitrates, relaxed is better. I don't know if the bitrate is too high for us to see much difference, but at v=2 - jm: Even that I don't know how to solve because of a minor detail related to us not having an a ...