[Mjpeg-users] Some questions

2004-01-19 Thread Thomas Börkel
HI! Where can I found the release notes for new versions of mjpegtools (I did not find anything up to date in the source archive)? With 1.6.1.92, timestamp in NTSC movies was wrong. This seems to be fixed in .93, but I was wondering. With .93 and transcode, I got some warnings during encoding

[Mjpeg-users] DV-to-DVD, AC3 and A/V sync - bugfix

2004-01-19 Thread Florin Andrei
For those of you using this document (the DV-to-DVD-HOWTO)... http://zebra.fh-weingarten.de/~transcode/docs/DV-to-DVD-HOWTO.txt ...if you follow the method described in it, which, essentially, is based on dvdauthor's "One chapter, one source" template... http://dvdauthor.sourceforge.net/doc/ex-t

[Mjpeg-users] Encoding aspect ratio for SVCD

2004-01-19 Thread romildo
Hello. I am in doubt about what aspect ratio to use when encoding SVCDs from a widescreen source. For instance, today I have encoded a movie from an AVI source with frame size 800x344 to SVCD with both aspect ratios 4:3 and 16:9. For the 16:9 aspect ratio the needed black border at the top and th

Re: [Mjpeg-users] mjpegtools 1.6.2-RC4 available!

2004-01-19 Thread Andrew Stevens
Hi Bernhard, > > It's the precision of the DC component. Most commercial DVDs > > use -D 10 but mpeg2enc defaults to 9 to save a few bits. A > > value of 11 is only valid at the next MPEG-2 profile/level so it's not a > > currently meaningful value to use. > > Just added it to

Re: [Mjpeg-users] mplex: Decoder buffer running low: boosting overshoot gain!

2004-01-19 Thread Andrew Stevens
Hi all, > I think James' mail item came in first with what looks like > the rate control bug. You might have to settle for '2nd bug' ;) > > > what does the above mean and is it a bad thing? I get it with It means I somehow managed to merge in a warning message for the 'new' (now di

Re: [Mjpeg-users] Some questions

2004-01-19 Thread Andrew Stevens
On Monday 19 January 2004 08:10, Thomas Börkel wrote: > HI! > > Where can I found the release notes for new versions of mjpegtools (I > did not find anything up to date in the source archive)? Yes, they need updating! > With 1.6.1.92, > timestamp in NTSC movies was wrong. This seems to be fixed

Re: [Mjpeg-users] mjpegtools 1.6.2-RC4 available!

2004-01-19 Thread Steven M. Schultz
Hi! On Mon, 19 Jan 2004, Andrew Stevens wrote: > > > It's the precision of the DC component. Most commercial DVDs > > > use -D 10 but mpeg2enc defaults to 9 to save a few bits. A > > > value of 11 is only valid at the next MPEG-2 profile/level so it's not a > > > currently mea

Re: [Mjpeg-users] Encoding aspect ratio for SVCD

2004-01-19 Thread Alexei Dets
Hi! > Am I right expecting better quality results > with a 16:9 aspect ratio in the SVCD? Yes, except the fact that many DVD players doesn't correctly play 16:9 SVCDs :-( Alexei --- The SF.Net email is sponsored by EclipseCon 2004 Pr

Re: [Mjpeg-users] Encoding aspect ratio for SVCD

2004-01-19 Thread Steven M. Schultz
On Mon, 19 Jan 2004 [EMAIL PROTECTED] wrote: > I am in doubt about what aspect ratio to use > when encoding SVCDs from a widescreen source. 4/3 > giving a better quality. When playing the > SVCD at a normal TV (aspect ratio 4:3), the > DVD player will add black borders to fit > the imag

Re: [Mjpeg-users] Some questions

2004-01-19 Thread Thomas Börkel
HI! Andrew Stevens wrote: With 1.6.1.92, timestamp in NTSC movies was wrong. This seems to be fixed in .93, but I was wondering. Do you really mean timestamp? There was a rate control issue in .92 Maybe it was that. Other tools showed the wrong length of the encoded movie. With .93 and trans

Re: [Mjpeg-users] Encoding aspect ratio for SVCD

2004-01-19 Thread Alexei Dets
Hi! On Monday 19 January 2004 5:14 pm, Steven M. Schultz wrote: > As Alexei mentioned (and I have observed the same thing) many DVD/VCD > players do NOT perform the letterboxing function for SVCD/VCD. In > fact I have yet to encounter a DVD player that will pay attention to >

Re: [Mjpeg-users] Converting DVD from PAL to NTSC

2004-01-19 Thread Greg Kilfoyle
Just an FYI... I ended up with a good quality DVD using the following encoding sequence: yuvdenoise -F --- The SF.Net email is sponsored by EclipseCon 2004 Premiere Conference on Open Tools Development and Integration See the breadth of Ecli

Re: [Mjpeg-users] Encoding aspect ratio for SVCD

2004-01-19 Thread romildo
On Mon, Jan 19, 2004 at 06:20:08PM -0400, Alexei Dets wrote: > Hi! > On Monday 19 January 2004 5:14 pm, Steven M. Schultz wrote: > > As Alexei mentioned (and I have observed the same thing) many DVD/VCD > > players do NOT perform the letterboxing function for SVCD/VCD. In > > fact I

Re: [Mjpeg-users] Encoding aspect ratio for SVCD

2004-01-19 Thread romildo
On Mon, Jan 19, 2004 at 01:14:50PM -0800, Steven M. Schultz wrote: > On Mon, 19 Jan 2004 [EMAIL PROTECTED] wrote: > > > I am in doubt about what aspect ratio to use > > when encoding SVCDs from a widescreen source. > > 4/3 > > > giving a better quality. When playing the > > SVCD at a norm

Re: [Mjpeg-users] Encoding aspect ratio for SVCD

2004-01-19 Thread scholnik
> That is what I thought. When encoding a widescreen movie with aspect ratio > 16:9, black borders are not needed to expand the video frame, as is needed > when encoding to a 4:3 aspect ratio. The aspect ratio will be preserved. > Therefore all the bits in the encoded video are used in the origina

Re: [Mjpeg-users] Encoding aspect ratio for SVCD

2004-01-19 Thread Trent Piepho
On Mon, 19 Jan 2004 [EMAIL PROTECTED] wrote: > If you only watch the movie on a 4:3 TV, then it is both a waste of > bits and a reduction in quality to encode the widescreen (anamorphic) > version. Most (all? certainly the cheap ones) DVD players convert > 16:9 material to 4:3 material by dropping

Re: [Mjpeg-users] Encoding aspect ratio for SVCD

2004-01-19 Thread scholnik
> Some 4:3 TVs however, have a 16:9 enhanced mode. In this mode, they take the > full vertical resolution signal and squish the scan lines into a 16:9 > letterbox area. This will give you more quality than throwing away the > resolution before you encode. Do such TVs have enough vertical pixels

Re: [Mjpeg-users] Encoding aspect ratio for SVCD

2004-01-19 Thread Trent Piepho
On Mon, 19 Jan 2004 [EMAIL PROTECTED] wrote: > > Some 4:3 TVs however, have a 16:9 enhanced mode. In this mode, they take the > > full vertical resolution signal and squish the scan lines into a 16:9 > > letterbox area. This will give you more quality than throwing away the > > resolution before