BOTT_FORWARD -T
INTERLACED_BOTTOM_FIRST commands, repeatedly, into a video-processing
pipeline. If this bug existed, I figured this would make the chroma noticeably
out of sync with the intensity. It looked perfect to me. So at least we can
say this bug has been fixed. :-)
Steven Boswell
for the tip! I'll try it on the next telecined video I convert!
I don't suppose there's a way to shift a DV file by one line without a
decode/encode like in the script I attached at the beginning of this thread...
:-)
Steven Boswell
make with yuvkineco TOP_FORWARD
look great to me...and I thought I was nitpicky about these
things. :-) Have I been living a lie? What should I be doing?
Steven Boswell
than it's ever been. For
those of you keeping up with latest CVS, check it out!
Steven Boswell
--- On Thu, 6/4/09, Christian Ebert blacktr...@gmx.net wrote:
From: Christian Ebert blacktr...@gmx.net
Subject: [Mjpeg-users] build failure on MacOS 10.5.7
To: mjpeg-users@lists.sourceforge.net
Date
-devel-1.2.13-3.fc9.i386
Dunno if any of them are significant.
Steven Boswell
--- On Thu, 6/4/09, Hervé herve.flo...@free.fr wrote:
Le 4 juin 09 à 21:26, Steven Boswell II a écrit :
For those of you keeping up with latest
CVS, check it out!
could give some tips?
I downloaded cvs, I made
cd
Granted, mplex shouldn't crash on this, but you do realize that you're
multiplexing two sound files together without any video file, right? Shouldn't
one of them be a video file?
--- On Fri, 5/15/09, Martin Leicht martin.lei...@arcor.de wrote:
$ mplex -f 8 maus.mp2 maus.mp2 -o film.mpg
scenes all look really
good.
What about using an edge-detection algorithm to
find the boundaries of large areas, then testing
if the large area is low-intensity before setting
it all to black? I haven't looked into
edge-detection algorithms recently, but it sounds
good...
Steven Boswell
ulatekh
, and I'm keen to fix the problem.
What's the general idea -- if the luminance is
less than a certain value, clamp the color to
white?
Steven Boswell
ulatekh at yahoo dot com
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As a last step before the encoder perhaps
'y4mdenoise -t 1' would be a good choice.
Actually, y4mdenoise -z 1 -t 1...the default value
of -z is 2, and y4mdenoise -z 2 -t 1 will probably
generate nasty results.
Steven Boswell
ulatekh at yahoo dot com
.
Steven Boswell
ulatekh at yahoo dot com
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tolerances (-z 1 -t 1
or -z 1 -t 2) qualifies as such processing.
Steven Boswell
ulatekh at yahoo dot com
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lots of
time making the text-file parser deal with syntax
and semantic errors better. (Which is why I
never released the code.)
Steven Boswell
ulatekh at yahoo dot com
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there are more.
Their suitability for what I want to do probably
mostly depends on whether the programmers
commented their source code and wrote design
documentation and so on. I'm sick of slogging
through non-documented code, and if they're all
like that, I'll probably write my own from
scratch.
Steven
at over a megapixel per
frame. How are you doing that? My family has a
bunch of old 8mm film of family events from
decades ago, and we've been meaning to give them
the pro treatment. What are you using to scan in
the frames of your film?
Steven Boswell
ulatekh at yahoo dot com
safe to upgrade to latest CVS.)
After a lot of frustrating tests
I hear ya, man! I've been doing digital video for
just over 2 years now, and I've gotten so far with my
quality, but there always seems to be some new
artifact to cause me grief.
Steven Boswell
ulatekh at yahoo dot com
no yuvkineco command for top field replaced
by previous one and output.
Steven Boswell
ulatekh at yahoo dot com
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other LaserDiscs I
converted -- both were genuinely 60 fields per second,
not converted film. It DID happen on one other
LaserDisc that was also converted film, though.
Does anyone know what this could possibly be?
Steven Boswell
ulatekh at yahoo dot com
in yuvdeinterlace, is
it possible to use it on D/d/M/m/E/e/N/n frames? I
don't know if the de-interlacer is available in a
shared library, but that's probably not too hard to
fix.
Steven Boswell
ulatekh at yahoo dot com
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is the
percentage of pixels found to be new information
at the end of the frame, when all analysis is
completed.
As soon as I can figure out how to explain all
that simply, I'll put it into the manpage :-)
Steven Boswell
ulatekh at yahoo dot com
the chroma, or it will get muddled by
the next device/program that tries touches it.
Do we have a tool that does that, then?
Steven Boswell
ulatekh at yahoo dot com
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) in order to fix the chroma properly? Can I
even get that? Also, when dealing with an NTSC
signal of something that was originally 24 fps,
i.e. the not really interlaced case, wouldn't
the color be subsampled according to progressive
frame rules?
Steven Boswell
ulatekh at yahoo dot com
xine's deinterlacer is so
crappy. Our deinterlacer is MUCH higher quality.
Another tool worth using!
Steven Boswell
ulatekh at yahoo dot com
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understanding that progressive-frame DVDs
can't be played by all DVD players. I could be
wrong...I often am... :-)
Steven Boswell
ulatekh at yahoo dot com
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video. Use -f 2 with
mplex to generate something that isn't padded to
1152. I make VideoCDs like this all the time.
Steven Boswell
ulatekh at yahoo dot com
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the same point in
time.
OK. The last I asked this question, I think Bernhard
told me that mpeg2enc wouldn't give me what I
expected.
Guess this is something else to try!
Steven Boswell
ulatekh at yahoo dot com
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and the occasional video game.
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ulatekh at yahoo dot com
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be appreciated.
Steven Boswell
ulatekh at yahoo dot com
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makedvd.sh
Description: makedvd.sh
.
I'd do it, but the organization of the info in our
HOWTO file kinda baffles me :-)
Steven Boswell
ulatekh at yahoo dot com
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where everything runs at 19. And I was
pretty sure process scheduling didn't work like
that.
Steven Boswell
ulatekh at yahoo dot com
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My last set of changes broke the -B option! And I
fixed a bunch of other bugs I found, most of which
would have caused y4mdenoise to crash upon exit. Get
the latest CVS and the problems should be fixed.
Steven Boswell
ulatekh at yahoo dot com
a few
days ago, I can't quite fill up the processors --
total idle time hovers around 20%. But it's better
than it was. And it's nice to see the main thread
(the one denoising intensity) running near 100% CPU
usage.
Anyway, enjoy.
Steven Boswell
ulatekh at yahoo dot com
to process a
single tape on my Athlon XP 1800+.
Steven Boswell
ulatekh at yahoo dot com
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AGAIN?! :-(
Steven Boswell
ulatekh at yahoo dot com
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, but that will be much more
difficult to write. So if you've got a
multi-processor computer, you may get some relief
soon.
Steven Boswell
ulatekh at yahoo dot com
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a better chance of succeeding. It produces a
noticeable increase in detail on the final
VideoCD.
Hope this helps. Feel free to ask questions. I think
this is everything I know about producing
artifact-free
digital video, but who knows.
Steven Boswell
ulatekh at yahoo dot com
that
are moved instances of parts of the previous frame
is a Good Thing, and so I use the highest setting
possible for -4 and -2.
The rest of the options are not related to
denoising or quality, just DVD format.
Steven Boswell
ulatekh at yahoo dot com
in action.
Enjoy! And please let me know what you think of the new denoiser! (I'm
kinda jonesing for some feedback hereLOL)
Steven Boswell
ulatekh at adelphia dot net
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mjpeg-developer subscriber, was nice enough to
agree to host this. The web page contains 2 movie clips that pretty
dramatically show the results of using the denoiser vs. not using it.
Steven Boswell
ulatekh at adelphia dot net
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imagination.
Anyone have any experience with this?
Steven Boswell, [EMAIL PROTECTED]
Richard Ellis [EMAIL PROTECTED] wrote:
In my experience with experimenting with the --reduce-hf flag to mpeg2enc,that having the flag turned on created a ringing effect at sharp edgetransitions in the playback
of the experts out there feel like sharing their wisdom? :-)
Steven Boswell, [EMAIL PROTECTED]
"Steven M. Schultz" [EMAIL PROTECTED] wrote:
Hi -A number of movies I've encoded look good as long as the picturesdo not get too dark - but night scenes or the transitions that invol
to encode instead of 24, they fit onto CD-R media, and everyone with a CD burner can copy them.
Steven Boswell, [EMAIL PROTECTED]
Simon Michael Heywood [EMAIL PROTECTED] wrote:
I kind of suspected this is the case so have just re-encoded my video at 8000kbps, but since my computer's not so quick
Is that with or without my one-line patch? Just making surebecause adding "if (denoisier.sharpen == 0) return;" to the beginning of sharpen_frame() was what it took to speed things up for me. (Just wanted to verify my observation was valid :-)
Steven Boswell, [EMAIL PROTECTED]
That's because yuv2lav is not multi-threaded -- it reads from the YUV stream, compresses the image, and writes it to the output file, all in one thread. Fixing that is one of my near-future planned projects (sometime after finding a new place to live getting a day job :-).
Steven Boswell, [EMAIL
.
Steven Boswell
[EMAIL PROTECTED]
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pretty depressing. I really wanted to support any company
dedicated to doing video under Linux. Can you recall any of the nasty
details of what made you dislike the card so much?
Steven Boswell
[EMAIL PROTECTED]
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/deleted frames.
Steven Boswell
[EMAIL PROTECTED]
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apply to xawtv the shell script I use to record DVDs.
Steven Boswell
[EMAIL PROTECTED]
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Steven Boswell
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1800+, though the yuvscaler doesn't
use all that much CPU anyway.
Steven Boswell
[EMAIL PROTECTED]
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Get
the rest of it will disappear once
you and the dvdauthor devleoper(s) agree on what to do about this. :-)
Steven Boswell
[EMAIL PROTECTED]
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that'll ever get released on DVD. :-)
Thanks to all for your help! My very next step is to figure out how to
contribute the changes I've made to mjpegtools. I'm gonna try the
patches page.
Steven Boswell
[EMAIL PROTECTED]
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