> > Hallo > > > > > I have Mandriva Linux 2008.0 x86_64 PowerPack on a Dell Inspiron > > > 1720 notebook with Cinelerra from the Penguin Liberation Front > > > cinelerra-2.1-1.svn1008.1plf2008.0 with > > > mjpegtools-1.9.0-0.rc2.3mdv2008.0.x86_64.rpm > > > > > > I want to render an mpeg-2 movie from my JVC Everio GZ-MG505 > > > harddisk camcorder to a format for DVD. I follow exactly the manual > > > of Cinelerra CV version 2.1: > > > > > > 20.9 Making a DVD > > > 20.9.1 Rendering to mpeg2 > > > 20.9.1.1 yuv4mpeg pipe through mpeg2enc Copy in '~/cine_render.sh > > > file' the following lines: > > > #/bin/bash > > > mpeg2enc -v 0 -K tmpgenc -r 16 -4 1 -2 1 -D 10 -E 10 -g 15 -G 15 -q > > > 6 -b 8600 -f 8 -o $1 > > > > > > I added -M 3 to improve performance on my Core 2 Duo T7300 processor. > > > > > > I played with -q (3 and 8) and -b (11000) parameters after reading
> > > the manpage of mpeg2enc. > > > > > > The problem: there are horizontal artifacts in the rendered mpeg in > > > a certain scene. I can describe it as a horizontal line with the > > > image below the line not corresponding to the image on top of the > > > line. No block but line artifacts that are very disturbing. > > > > > > Did someone struggle with the same and found a solution? > > No, but could you put sample images somewhere online ? That makes > > helping much easier (If you send some to me I can put them online to > > mjpeg.sf.net/files) > > I managed with Avidemux to pick out a 39 MB fragment from the > movie of 1900 MB. > The fragment is now available at http://users.skynet.be/fa991376. To be clear: this is a fragment from the original .mod file from my JVC camcorder and should play perfectly. Only when converted with the mpeg2enc command above the artifacts appear. > > It would also be interesting if the stream that comes to mpeg2enc has > > already that kind of problems. > > > > When I play the original 1900 MB file with Kaffeine, it looks > all OK and there are no artifacts at all. But when I play it > with Avidemux there is constantly a horizontal bar (on the > bottom of the image over the full screen width) which is corrupt. > This is only the case with Avidemux 2.4 under Linux. > The windows version of Avidemux 2.4.1 plays it perfectly. > > > You need to replace the mpeg2enc command with something like that: > > yuv2lav -q 90 -o stream_without_sound.avi And play it > > afterwards back with glav. > > Can you please explain in more details what the intention is of > these commands? > > > Doe you have some information about the format (frame size) the JVC ? > > The JVC MG-GZ505 has following properties: PAL 720x576 25fps 16x9 > 8,5 Mbps in best quality. But the file extension is .mod which is a > proprietary format of JVC. But renaming it to .mpg works just fine. > > Thanks for your reply. > > > auf hoffentlich bald, > > > > Berni the Chaos of Woodquarter > > > > Email: [EMAIL PROTECTED] > > www: http://www.lysator.liu.se/~gz/bernhard > ------------------------------------------------------------------------- Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://sourceforge.net/services/buy/index.php _______________________________________________ Mjpeg-users mailing list Mjpeg-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/mjpeg-users
