Re: [Mjpeg-users] cvs HEAD mpeg2enc: still random quant amplitudes

2008-02-04 Thread Christian Ebert
Hi Andrew, * Andrew Stevens on Sunday, February 03, 2008 at 18:54:35 +0100 > Examples ... I need examples (no longer have a dumb analog capture card or > JPEG capture cared). The smallest sample I could create gives reproducably: $ qttoy4m test.mov | mpeg2enc -f 8 -b 5150 -q 4 -r 32 -g 3 -G 15

Re: [Mjpeg-users] cvs HEAD mpeg2enc: still random quant amplitudes

2008-02-04 Thread Christian Ebert
* Andrew Stevens on Sunday, February 03, 2008 at 18:54:35 +0100 > Christian, quantisation up to 60 almost certainly a Bug someplace. Can you > put a section of your source video someplace online so I can download > reproduce the problem reliably? See below. >>> mpeg2enc -f 8 -b 5150 -q 4 -r 3

Re: [Mjpeg-users] cvs HEAD mpeg2enc: still random quant amplitudes

2008-02-03 Thread Steven M. Schultz
On Sun, 3 Feb 2008, Andrew Stevens wrote: > Christian, quantisation up to 60 almost certainly a Bug someplace. Can you > put a section of your source video someplace online so I can download > reproduce the problem reliably? I saw something similar last night. The encoding would be

Re: [Mjpeg-users] cvs HEAD mpeg2enc: still random quant amplitudes

2008-02-03 Thread Andrew Stevens
Hi all, Christian, quantisation up to 60 almost certainly a Bug someplace. Can you put a section of your source video someplace online so I can download reproduce the problem reliably? > > mpeg2enc -f 8 -b 5150 -q 4 -r 32 -g 3 -G 15 -4 1 -2 1 -D 10 -K tmpgenc -o > > test.m2v Same with default

Re: [Mjpeg-users] cvs HEAD mpeg2enc: still random quant amplitudes

2008-02-03 Thread Bernhard Praschinger
Hallo Christian Ebert wrote: > * Bernhard Praschinger on Thursday, January 31, 2008 at 18:43:28 +0100 >> If you post your command, I can try to reproduce it here with the videos >> I have. > mpeg2enc -f 8 -b 5150 -q 4 -r 32 -g 3 -G 15 -4 1 -2 1 -D 10 -K tmpgenc -o > test.m2v > Same with default

Re: [Mjpeg-users] cvs HEAD mpeg2enc: still random quant amplitudes

2008-01-31 Thread Christian Ebert
* Bernhard Praschinger on Thursday, January 31, 2008 at 18:43:28 +0100 > If you post your command, I can try to reproduce it here with the videos > I have. mpeg2enc -f 8 -b 5150 -q 4 -r 32 -g 3 -G 15 -4 1 -2 1 -D 10 -K tmpgenc -o test.m2v Same with default matrix though. > I'm just running my

Re: [Mjpeg-users] cvs HEAD mpeg2enc: still random quant amplitudes

2008-01-31 Thread Bernhard Praschinger
Hallo > While excited that there's progress on the mpeg2enc front, > unfortunately I have to report that there are still overly high > amplitudes in quantisation (up to 60) in p-frames. > > Or is this intended? > > Seems to work well with a 10 sec sample, but for after a few > minutes I get this

[Mjpeg-users] cvs HEAD mpeg2enc: still random quant amplitudes

2008-01-31 Thread Christian Ebert
Hi, While excited that there's progress on the mpeg2enc front, unfortunately I have to report that there are still overly high amplitudes in quantisation (up to 60) in p-frames. Or is this intended? Seems to work well with a 10 sec sample, but for after a few minutes I get this behaviour -- have