Re: [Mjpeg-users] -g 1 and hardware DVD players

2003-12-08 Thread Florin Andrei
On Mon, 2003-12-08 at 03:10, Al Bogner wrote: > I used "-g 15 -G 15" and thought this is closed GOP because -g and -G > have the same size. So I have to use "-c -g 15 -G 15" if I would like to > cut the encoded m2v-file later? You don't need fixed GOP size (-g equal -G) to cut the file. -c shou

Re: [Mjpeg-users] -g 1 and hardware DVD players

2003-12-08 Thread Steven M. Schultz
On Mon, 8 Dec 2003, Al Bogner wrote: > Am Montag, 8. Dezember 2003 01:01 schrieb Steven M. Schultz: > > > No! mpeg2enc creates variable length GOPs by default. If you want > > closed ones use "-c". If you want fixed size GOPs then set -g and > > -G to the same value ("-g 15 -G 15").

Re: [Mjpeg-users] -g 1 and hardware DVD players

2003-12-08 Thread Al Bogner
Am Montag, 8. Dezember 2003 01:01 schrieb Steven M. Schultz: > > You mean, by default mpeg2enc creates fixed-size GOPs? > > No! mpeg2enc creates variable length GOPs by default. If you want > closed ones use "-c". If you want fixed size GOPs then set -g and > -G to the same value (

Re: [Mjpeg-users] -g 1 and hardware DVD players

2003-12-07 Thread Steven M. Schultz
On 7 Dec 2003, Florin Andrei wrote: > On Sun, 2003-12-07 at 11:30, an unknown sender wrote: > > It is actually questionable if variable GOP size helps much Huh? Unknown didn't realize that starting a scene change with an I frame is a good thing - and that's what variable gop

Re: [Mjpeg-users] -g 1 and hardware DVD players

2003-12-07 Thread Florin Andrei
On Sun, 2003-12-07 at 11:30, an unknown sender wrote: > On Sunday 07 December 2003 07:36, Florin Andrei wrote: > > Using -g 1 might trigger hiccups on certain hardware DVD players > > Just to note that there is actually no real purpose to setting -g 1 for DVD or > other reasonably rate limited st

Re: [Mjpeg-users] -g 1 and hardware DVD players

2003-12-07 Thread Andrew Stevens
On Sunday 07 December 2003 07:36, Florin Andrei wrote: > Using -g 1 might trigger hiccups on certain hardware DVD players; at > least i was able to do that on a fairly new JVC XV-N55 (a very flexible > beast: DVD, SVCD, JPEG, MP3...) with a DVD encoded with > mjpegtools-1.6.1.92 from a DV source.

Re: [Mjpeg-users] -g 1 and hardware DVD players

2003-12-07 Thread Steven M. Schultz
On 6 Dec 2003, Florin Andrei wrote: > Using -g 1 might trigger hiccups on certain hardware DVD players; at > least i was able to do that on a fairly new JVC XV-N55 (a very flexible I was curious about that. That would imply that some DVD players would be extremely allergic to I