Heck 7fps would be nice! I have a 2.8Ghz P4 and 1GB RAM and am luck to be at 3fps by the end of a nuvexport. However, I just leave it running in the bg and forget about it.
Is nuvexport ever going to be integrated into Myth? Robin On Tue, 8 Feb 2005 08:41:02 -0600, Lane Schwartz <[EMAIL PROTECTED]> wrote: > On Mon, 07 Feb 2005 17:53:58 -0800, Chris Petersen > <[EMAIL PROTECTED]> wrote: > > > Since I've had tons of trouble exporting my PVR-250 recordings to DVD > > > (see archives for my posts on audio sync issues), I'm trying out my > > > options for my older WinTV-FM card, which is also in my Myth box. > > > > Why not just record at dvd size, and then just remux them? Shouldn't > > need to do any encoding at all. > > The PVR-250 records directly to mpeg2, but the WinTV-FM can't. I > think it's set to use MJPEG, but I wouldn't swear to that. > > My trouble with the 250 was that when I used nuvexport mpg2->mpg2 cut > (or manually did a commercial cut with avidemux and then a remux), the > audio on the exported mpg2 would gradually get off sync. Fine at the > beginning of the show, then very bad by the end. Usually noticeable > after the first commercial break. > > I am able to do successful commercial cuts if I manually capture the > show from the 250 at the command line using cat, then edit with > avidemux and remux. The audio sync was only for shows captured via > Myth. > > Last night, however, I finally got it working properly. I made a new > recording profile and used the defaults for it. I had the 250 record a > show in Myth, then successfully did an mpg2->mpg2 export with > nuvexport. The end result had no audio sync problems. > > When I get home tonight I'll try to post the different settings. I do > know that they are not very different. IIRC, the new one uses 480x480 > capture resolution and the old used 352x480. Very odd. > > > > Transcoding took 2.5 hours for a half hour show. > > > This does not seem right. I have a 2.8 GHz P4 HT with 512 MB RAM. I'm > > > running 0.16 on FC2. > > > > Sounds about right to me. mpeg2enc SUCKS. I did re-add multi-cpu > > support to nuvexport last week (in my earlier tests it was actually > > slower to have it enabled -- not so anymore). The latest nuvexport also > > uses ffmpeg for encoding, which is considerably faster than transcode > > (unless you turn on noise reduction, then they're about the same). > > Thanks for the info. Hopefully my mpg2->mpg2 exports will continue to > work and I won't have to mess with transcode. > > To get the new nuvexport, can I use the download link from your web > site, or will I have to upgrade to myth 0.17 when Isaac puts that out > later this week? > > > > While watching the output of transcode through nuvexport, I observed > > > my fps rate steadily decrease during the transcoding process. The high > > > was near 200 fps when transcoding started. The fps rate dropped > > > relatively quickly at first, to around 30 fps, then dropped steadily, > > > and was at 7 fps at the end of the process. > > > > you cut out commercials, right? If so, then the initial high fps is > > because the fps count doesn't know that. So if you go from frame 1 to > > frame 1000 in the first few seconds, you get a high fps rate. I could > > make things more accurate, but figured that people would rather have > > their CPU being used to encode rather than to calculate a more accurate fps. > > Yes, I cut commercials. Makes sense then that the initial fps is very > high. But why would the rate continue to drop throughout the entire > process? > > Thanks Chris, > Lane > > -- > Meetup with other Myth users! > http://mythtv.info/moin.cgi/MUG > > > _______________________________________________ > mythtv-users mailing list > [email protected] > http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users > > >
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