Re: [Mjpeg-users] Disk speeds and Linux LVM (a bit OT)

2003-03-04 Thread Bernhard Praschinger
Hallo > I have two old 5GB SCSI disks which aren't fast enough to capture to. I also > have one newer 40GB IDE disk which is fast enough. Does anyone know whether, > if I put them all together as one logical device under Linux's LVM, the > resultant disk is likely to be fast enough to capture to?

Re: [Mjpeg-users] Disk speeds and Linux LVM (a bit OT)

2003-03-04 Thread Fabian Ritzmann
Derek Fountain wrote: I have two old 5GB SCSI disks which aren't fast enough to capture to. I also have one newer 40GB IDE disk which is fast enough. Does anyone know whether, if I put them all together as one logical device under Linux's LVM, the resultant disk is likely to be fast enough to c

[Mjpeg-users] Re: yuvmedian filter patches

2003-03-04 Thread scholnik
Well, that's what I get for reading the digest version of the list. I figured nobody had a chance to get to it so soon. The new CVS version works fine, my patch just moved the bypass outside the filter routine altogether, and makes only 3 calls to memcpy. Possibly a little faster, but I'm sure

[Mjpeg-users] Re: interlace bug in yuvmedian filter

2003-03-04 Thread scholnik
> (bad) partial deinterlace. The output looks jerky and it doesn't save > any bits either. H, I haven't noticed the jerkiness. Seemed to save some bits but perhaps not as many as it could. I never noticed before, but on a high-motion scene play

[Mjpeg-users] lavplay/BUZ hangs

2003-03-04 Thread rbroman
My system is a 2p Xeon with an Iomega BUZ card. I'm running RH8.0 with custom 2.4.20 kernel. I've compiled and installed driver-zoran, jpeg-mmx, avifile, quicktime4linux, libmovtar and mjpegtools-1.6.1. It took me a while to get it right, but it now appears the compile and install was successful. I

[Mjpeg-users] Segmentation fault in yuvscaler

2003-03-04 Thread Jacob D. Sheck
I was able to produce a Segmentation fault in either yuvscaler or mpeg2enc. Who/Where would I submit this to? lav2yuv simpsons1.avi | yuvscaler -n n -O VCD | mpeg2enc -n n -s -r 16 -o simpsons1.m1v ... INFO: [mpeg2enc] GOP LENGTH = 12 INFO: [mpeg2enc] Frame start 0 I 0 0 INFO: [mpeg2en

Re: [Mjpeg-users] interlace bug in yuvmedian filter

2003-03-04 Thread Richard Ellis
--- "Steven M. Schultz" <[EMAIL PROTECTED]> wrote: > Hi - > > From: Richard Ellis <[EMAIL PROTECTED]> > > > > From: [EMAIL PROTECTED] > > > > Ok, so I just discovered that yuvmedianfilter has a -I switch for > > > > interlaced inputs (it switches to separate field filtering). > > > > Shouldn't th

Re: [Mjpeg-users] Re: interlace bug in yuvmedian filter

2003-03-04 Thread Steven M. Schultz
Hi - > From: [EMAIL PROTECTED] > I never noticed before, but on a high-motion scene played back on the > TV the slow-motion effect was very prominent. Interesting. I guess I could take ~10 hours and redo the one movie that I did yesterday to see if I can spot the difference. > A

Re: [Mjpeg-users] Disk speeds and Linux LVM (a bit OT)

2003-03-04 Thread Stephen Mollett
On Tuesday 04 Mar 2003 05:58, Derek Fountain wrote: > I have two old 5GB SCSI disks which aren't fast enough to capture to. I > also have one newer 40GB IDE disk which is fast enough. Does anyone know > whether, if I put them all together as one logical device under Linux's > LVM, the resultant dis

Re: [Mjpeg-users] Segmentation fault in yuvscaler

2003-03-04 Thread Bernhard Praschinger
Hallo > I was able to produce a Segmentation fault in either yuvscaler or > mpeg2enc. Who/Where would I submit this to? The users-list is the right one. Have you compiled the tools, or did you install a RPM. Which CPU do you have and with optimization does mpeg2enc think it can use ? The lines

Re: [Mjpeg-users] lavplay/BUZ hangs

2003-03-04 Thread Bernhard Praschinger
Hallo > I'm now doing test videos - the input source is DirecTV through SVHS. > xawtv works. lavrec works, and the result can be played back successfully > using lavplay -p S record.avi (software playback). The playback window > is very small. Which value did you use for the -d, 1/2/4 ? You see t

[Mjpeg-users] mpeg2enc -Q?

2003-03-04 Thread Steven M. Schultz
Hi - When would a person want to employ mpeg2enc's "-Q" option? The usage() summary says: --quantisation-reduction|-Q num Max. quantisation reduction for highly active blocks [0.0 .. 5] (default: 0.0) I take this to mean that if '-q 6' is being used and '-Q 1.0'

Re: [Mjpeg-users] Best Way To Convert HI-8

2003-03-04 Thread Javier Hernandez
On Sun, 22 Dec 2002, Matt Voss wrote: > Thanks for the recommendation. However I was wondering if a low-end ($400) > minidv camcorder would do just as good of a job - or if the Canopus will > even beat a $2000-$3000 camcorder's ability to convert analog to digital. Talking from my experince only:

Re: [Mjpeg-users] Best Way To Convert HI-8

2003-03-04 Thread Javier Hernandez
Hi Aaron, On Sun, 22 Dec 2002, Aaron Newsome wrote: > On Sun, 22 Dec 2002, Steven M. Schultz wrote: > > > From: "Matt Voss" <[EMAIL PROTECTED]> > > > I also have the following: > > > 1) Iomega BUZ in a dual-boot WIN98/Mandrake Linux 466 celeron box. > > > 2) WINTV Happauge in a WIN2K 800 mhz p3 bo

[Mjpeg-users] Re: interlace bug in yuvmedian filter

2003-03-04 Thread scholnik
> softens the picture a lot. Median filtering in general is great for > noise distributions with long tails (non-gaussian, impulsive noise) > since it can exclude large outliers rather than averaging them in like > linear filtering, but the flip-side seems to be that edge detail gets

Re: [Mjpeg-users] Re: interlace bug in yuvmedian filter

2003-03-04 Thread Steven M. Schultz
Hi - > From: [EMAIL PROTECTED] > My statement about obliterating edges is only partly correct. My That's a relief ;) I've been doing captures and encoding from a few laserdiscs I have left (that haven't and likely will never be released on DVD) and haven't seen edge obl