similar to: question on theora encoding

I hope this list is small enough for not beeing banned when introducing oneself. So... Hi, I just subscribed to the theora-lists. I'm from the XVID project, so I know a deal about video and MPEG-4 in particular, but nothing about Vorbis/Theora etc., That's why I'm here, because I'm interested in patent-free alternatives. I guess there is no documentation of the current status

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Hi, Let's play a little game. Forget all you know, or think you know. Without any context at all, what does the following pattern make you think of? <p> X -> X X -> X | ^ v | X <- X X <- X | ^ v | X X -> X X | ^ | ^ v | v | X -> X

I tried out Theora to see what the future holds, and see some pros and cons. As a great plus, I have noticed that, even at the lowest quality (ie. "-v 0"), the detail, and overally quality is clearly better than anything else available. On the negative side, at qualities comparable to MPEG4, I've notcied a great deal of blockiness. It's not as bad as blockiness from other

Hi, I have been on a documentation kick recently. I finally updated my VP3 format document tonight: http://www.pcisys.net/~melanson/codecs/vp3-format.txt v0.2: October 9, 2003 - expanded section "Reversing the DC Prediction" - added Appendix B: Theora Differences Feel free to look it over and point out any glaring mistakes. I can't wait to see how much sense it makes to

Full_Name: Ravi Varadhan Version: 2.8.1 OS: Windows Submission from: (NULL) (162.129.251.19) Inverting a matrix with solve(), but using LAPACK=TRUE, gives erroneous results: Here is an example: hilbert <- function(n) { i <- 1:n; 1 / outer(i - 1, i, "+") } h5 <- hilbert(5) hinv1 <- solve(qr(h5)) hinv2 <- solve(qr(h5, LAPACK=TRUE)) all.equal(hinv1, hinv2) #

Hi Akira, > I am running into a problem when I turn on post-RA scheduler with mode > "ANTIDEP_CRITICAL" for mips. > I'd appreciate if someone could explain what is going wrong here. All these passes are pretty sensitive to correct register liveness information. As a first step I'd check whether machine verifier reports no errors here. -- With best regards, Anton

hi Tim,guys, it was regarding splitting 16-bit ADDC to two 8-bit ADDC+ADDE. the 8-bit ADDE instruction is defined as: let Constraints="$dst=$op0",mayStore=1, hasSideEffects=0,neverHasSideEffects=1 in def ADDErm: myInstr <0x0, (outs Intregs:$dst) (ins Intregs:$op0,MEMi:$op1), "", [set IntRegs:$dest (adde IntRegs:$op0, (load ADDRi:$op1))] > very unlucky, this

Greetings, compiling R 1.7.0 with gcc 3.1.1 on Debain Linux (woody stable) with the configure option --with-lapack works but make check fails in test base-R with the message [...] > kappa(x1 <- cbind(1,1:10))# 15.71 [1] 15.70590 > kappa(x1, exact = TRUE) # 13.68 [1] 13.67903 > kappa(x2 <- cbind(x1,2:11))# high! [x2 is singular!] [1] 8.351867e+16 > > hilbert

guys, 1)i made a mistake in my post. the said TF node was created when Selected() was called in ADDC node. 2) the source code under test short a,b; void test() { a+=b; } 3)the DAG after ADDC was seleced: Select node: 0x4977a20: ch,glue = <<Unknown Machine Node #65419>> 0x4972bd0, 0x49731d0, 0x4976c20, 0x49730d0<Mem:LD1[@a](align=2)> Result node: 0x4977a20: ch,glue =

how do I check the rank of a matrix ? say A= 1 0 0 0 1 0 then rank(A)=2 what is this function? thanks I did try help.search("rank"), but all the returned help information seem irrelevant to what I want. I would like to know how people search for help information like this. rank(base) Sample Ranks SignRank(stats) Distribution of the

Refiling this. The actual fix was slightly more complicated. Will soon be committed to R-Patched (aka 2.9.1 beta). -p rvaradhan at jhmi.edu wrote: > Full_Name: Ravi Varadhan > Version: 2.8.1 > OS: Windows > Submission from: (NULL) (162.129.251.19) >=20 >=20 > Inverting a matrix with solve(), but using LAPACK=3DTRUE, gives erroneo= us > results: Thanks, but there seems

While running the llvm tests, I get several error messages like these: [1/1] Running the LLVM regression tests FAILED: cd /home/steve/llvm-build/test && /usr/local/bin/python /home/steve/llvm/utils/lit/lit.py --param build_config=. --param build_mode=Release -sv --param llvm_site_config=/home/steve/llvm-build/test/lit.site.cfg --param

Hi, Is somewhere alghorithm description of encoder process implemented in libtheora? May be some drafts? May be frame dataflow throw encoder stages? PLEASE -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.xiph.org/pipermail/theora/attachments/20110318/c3e8e109/attachment.htm

Hi I'm trying to make sense of the macroblock coding modes in section 7.4 of the Theora spec. The text in the specification is: (d) For each consecutive macro block in coded order (cf. Section 2.4) indexed by mbi: i. If a block bi in the luma plane of macro block mbi exists such that BCODED[bi ] is 1: A. If MSCHEME is not 7, read one bit at a time until one of

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I am running into a problem when I turn on post-RA scheduler with mode "ANTIDEP_CRITICAL" for mips. I'd appreciate if someone could explain what is going wrong here. This is the basic block before post RA scheduling (at PostRASchedulerList.cpp:322): *(gdb) #3 0x0000000000ed3d26 in runOnMachineFunction (this=0x20aa470, Fn=...) at lib/CodeGen/PostRASchedulerList.cpp:322 322

Hi, So I have almost completed a new VP3 decoder implementation. In the course of doing so, I have encountered something odd about macroblock coding. As a quick overview, VP3 has a notion of fragments (8x8 pixels) and superblocks (32x32 pixels, 4x4 fragments). These apply to each individual plane (e.g., a 64x64 video will have 4 Y superblocks and 1+1 C superblocks, 64 Y fragments

Hi, It is my understanding that the eigenvectors of a circulant matrix are given as follows: 1,omega,omega^2,....,omega^{p-1} where the matrix has dimension given by p x p and omega is one of p complex roots of unity. (See Bellman for an excellent discussion on this). The matrix created by the attached row and obtained using the following commands indicates no imaginary parts for the

Hi, I just ran into an interesting problem with 3.0p1 on FreeBSD 4.0 and IPv6/v4 mapped addresses. If I do "ssh -v machine", where "machine" has an IPv4 address in the DNS, everything works fine (machine is "hilbert.space.net"): debug1: Connecting to hilbert [194.59.182.6] port 22. ... Warning: This may be due to an old implementation of ssh. debug1: Received