Re: [Mjpeg-users] Re: Mpeg field order diagnosis

2003-01-31 Thread Bernhard Praschinger
Hallo > Does anybody know a good source of information on the net that explains > the problems of interlacing and field order and illustrates them with > pictures + how to get rid of these problems? http://www.mir.com/DMG/ There you find a line to: Fields: Why Video Is Crucially Different from Gra

[Mjpeg-users] Re: Mpeg field order diagnosis

2003-01-31 Thread Michael Lehmeier
Does anybody know a good source of information on the net that explains the problems of interlacing and field order and illustrates them with pictures + how to get rid of these problems? I just gave up trying to understand it all just with text descriptions. Whenever I think I finally understood i

Re: RE: [Mjpeg-users] denoise -> green?

2003-01-31 Thread Robert Kesterson
On Fri, 31 Jan 2003 [EMAIL PROTECTED] wrote: > > Since I know a lot of people use yuvdenoise, I would like to hear if > they see color shifts in the output? I haven't noticed any, and I'm pretty picky about my output matching my input as much as possible. (That's not to say that there just isn't

Re: RE: [Mjpeg-users] denoise -> green?

2003-01-31 Thread scholnik
The problems I'm seeing don't seem like just problems of light and dark gray winding up white and black. I'm having white map to pale green. I suppose this could result from quantization/clipping somehow, since R, G, and B do not have equal weight. I'll have to do some histogramming to see if t

Re: [Mjpeg-users] won't autogen.sh

2003-01-31 Thread Bernhard Praschinger
Hallo > in order to install mjpeg tools, I had to get the latest automake and > autoconf. I installed them, but I get errors while './autogen.sh' > > You should add the contents of `/usr/share/aclocal/libtool.m4' to > `aclocal.m4'. > Running aclocal ... > aclocal: configure.in: 66: macro `AM_PRO

[Mjpeg-users] won't autogen.sh

2003-01-31 Thread Alexandre CONRAD
Hello, in order to install mjpeg tools, I had to get the latest automake and autoconf. I installed them, but I get errors while './autogen.sh' You should add the contents of `/usr/share/aclocal/libtool.m4' to `aclocal.m4'. Running aclocal ... aclocal: configure.in: 66: macro `AM_PROG_LIBTOOL'

[Mjpeg-users] Trouble getting YV12 .mov files to be supported

2003-01-31 Thread mjpeg-users-admin
Hello, I'm new the list, since it isn't archived yet, I haven't been able to search it. Google didn't know anything, and my friends in #mplayer (some are quite knowledgeable about lavtools etc), couldn't help me either. One one system I have (recently downgraded), I have mjpegtools custom compiled

Re: [Mjpeg-developer] RE: [Mjpeg-users] denoise -> green?

2003-01-31 Thread Matto Marjanovic
>There is a simple scenario I used to test theese things: I created a jpeg >with colorbars of known RGB-values ( grey0(=black), grey8, ..., >grey255(=white), and similar for red, green, blue ). Then I duplicated the >file many times and made a YUV stream of it using jpeg2yuv. I piped this >st

Re: [Mjpeg-users] MPEG2 encoder comparison

2003-01-31 Thread Robert Kesterson
On Fri, 31 Jan 2003, Andrew Stevens wrote: > (RE: Encoder comparisons) > Yes. mpeg2enc is definately sub-optimal in allocating bits based on how > likely it is quantisation will show up. It should get better but I have to > improved the internal "infrastructure" first. I will be borrowing a lot

Re: [Mjpeg-users] Re: Mpeg field order diagnosis

2003-01-31 Thread Andrew Stevens
Hi Michael, > That doesn't mean everything is necessarily all right now. > While I don't see the results on CD yet, I now tried with mpeg2enc -z b > and -z t and both results seem to be identical (again...). But it > doesn't look good, the edges of the flat areas (anime) is strangely > distorted.

Re: [Mjpeg-users] MPEG2 encoder comparison

2003-01-31 Thread Andrew Stevens
On Saturday 25 Jan 2003 8:31 pm, Robert Kesterson wrote: > On Sat, 25 Jan 2003, Matti Haveri wrote: > > The first three places were taken by TMPGEnc, ProCoder and Digital > > Media Press. mpeg2enc did rather well, too. > > > > > > A few days ago, I did a compar

Re: [Mjpeg-users] mpeg2 to mpeg2 transcoding

2003-01-31 Thread Andrew Stevens
On Thursday 23 Jan 2003 5:32 pm, Bernhard Praschinger wrote: > Hallo > > > I have read on german news-site ( > > http://www.heise.de/newsticker/data/vza-23.01.03-000/ ) about a tool what > > is able to do fast mpeg2 transcoding with using the original motion > > vectors. How can that be possible an

Re: [Mjpeg-developer] RE: [Mjpeg-users] denoise -> green?

2003-01-31 Thread Ralf Oehler
On 30-Jan-2003 Matto Marjanovic wrote: |I was under the impression that mpeg2enc does *not* clip out-of-range |values and does simply encode them. Although values outside of |[16,235] do not map to R'G'B' codes, they are still valid values |--- and necessary even, if you want to e