I just read my serious typos - so fixed my question below...
Brian Wiese wrote:
So the approach I end up using is to first translate the MJPEG to a
YUV stream, transform these to PNMs, then transform the PNMs to JPEGs:
bash% lav2yuv +n MVI_1704.AVI | y4mtoppm | pnmsplit - image%d.pnm
On Tue, 2005-06-07 at 19:50 -0400, Jean Connelly wrote:
Hi Brian,
I have been searching for good 480 line NTSC framebuffer timings for the
G400 for years but nothing seems to exist.
Where is your line for good?
That's just it. I have not found a good one for NTSC ANYTHINGx480
Hi Guys,
I'm not a regular user, so take my bug report with a grain of salt. I
occasionally use mjpegtools with transcode to generate VCD mpegs. In any
case, I'm running FC3 and compiled mjpegtools (latest CVS version) with
gcc-3.2.2-5.
I've run into several assertion errors in my
I am trying to use sox to increase the amplitude of audio stream in an
mjpeg file, but before doing so, i am using sox's stat to determine
the max. amplitude without clippping.
So my command line is:
$ lav2wav file.eli | sox -t wav - -t wav /dev/null stat -v
but both lav2wav and sox both use up
On Mon, 2004-06-21 at 10:28 -0400, Richard Ellis wrote:
Check your disk I/O read bandwidth. Lav2wav is heavily read I/O
bandwidth bound. It sounds like your disk read bandwidth is way low
for some reason,
That was one of the first things I checked. This is a UDMA5 capable
drive although
On Mon, 2004-06-21 at 11:26 -0400, Richard Ellis wrote:
That should be more than enough, as long as you've not got something
in the background consuming 40.06MB/sec of read bandwidth, or
something else writing loads of data to disk at the same time.
Right.
Your original command line was
On Mon, 2004-05-24 at 18:09 +0200, Bernhard Praschinger wrote:
Have you also taken a look at the lav2yuv secenlist feature ?
Not beyond having seen is presence in the usage: statement for lav2yuv
when I was digging through the code to see just how difficult it would
be.
There lav2yuv splits
I once wrote a filter for mplayer that searched for black frames. The
idea was to find the 1 or more frames that most frequently sit between
content and the commercials.
It was quite effective at finding the black frames, but because it had
to decode and analyse each frame (in actuality it was
invaluable!
b.
--
My other computer is your Microsoft Windows server.
Brian J. Murrell
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of that.
Good to know the verbosity wasn't excessive ;)
Not at all too verbose. Not even nearly so. I hung on your every
word. I hope our discussion has been valuable to somebody else too.
Cheers,
Right back at ya!
b.
--
My other computer is your Microsoft Windows server.
Brian J
's most commonly used for VCD (352x240) - is that what you're
doing?
Not really. Playing back on a television, which is why I am truely more
interested in mpeg2.
b.
--
My other computer is your Microsoft Windows server.
Brian J. Murrell
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Brian J. Murrell
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appropriately from there (i.e. 2000
kbits/sec when inverse-telecined).
and that's a _long_ movie at 2GB
1 full hour is slightly more than 1GB, so anything 2+ hours blows the
2GB limitations.
b.
--
My other computer is your Microsoft Windows server.
Brian J. Murrell
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be disabling it?
Any other ideas?
b.
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My other computer is your Microsoft Windows server.
Brian J. Murrell
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On Fri, 2003-11-14 at 19:20, Steven M. Schultz wrote:
On Fri, 14 Nov 2003, Brian J. Murrell wrote:
Hi Steven,
Hmmm, I take a different approach and build the system up
from a bare distribution - i.e. don't trust the distribution's
(out of date) tools.
I just don't have
a recent build to test this with. I'll give it
a whirl just as soon as I get the time to get properly updated.
Brian.
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to the TV.
Brian.
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be the world's biggest loss, but I'm sure I can't be the
only one considering it.
Brian.
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On Fri, 2003-06-27 at 10:40, Ronald Bultje wrote:
Hey Brian,
Hi Ronald.
Does it help if you unlink() the file (in lavrec, that is) before
starting the actual capture?
I have not coded it up, but yes, that would fix the problem. If the
unlink() is done before you open the destination file
On Wed, 2003-06-25 at 12:12, Brian Edmonds wrote:
Alan Murrell [EMAIL PROTECTED] writes:
The error appears usually after around 20mins of recording, but will
sometimes appear after 6mins, 11mins, etc.
This sounds almost identical to the problem I've had with my DC10+ since
day one (back
help in your case but in mine it seems the first picture
never comes so it probably wouldn't help me.
Maybe you have some file opening overhead on your system as well.
It's treating the symptom
rather than the cause though.
True enough, if my suspicions are correct.
b.
--
Brian J. Murrell
On Wed, 2003-06-04 at 08:37, Zsolt KOZAK wrote:
Everybody!
Does anyone use lavrec with ext3?
Yup. Have been doing so forever.
If yes, is ext3 fast enough?
Yup.
b.
--
Brian J. Murrell [EMAIL PROTECTED]
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is it possible using mpeg2dec to dump RAW YUV data?
I've gone through /libvo/video_out_yuv4m.c and managed
to get rid of the STREAM header and the FRAME header
but the filesize dosen't match up with what I think the actual
size should be eg. 100x100 frame should have
Y=1 bytes
U=2500 bytes
matter what I've got --file-flush, -U, -a, or -q set to, or what
the video source is.
Is this a known problem?
Oh yeah. I haven't found a known solution yet. If the videodev2 driver
turns out to do the trick for you, I'd be quite interested in knowing.
Brian
used it as a full-time mail/news/etc
server I had an external fan blowing into it, which kept it nice and
cool.
Brian.
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