"David Highley wrote:" > > "Steven M. Schultz wrote:" > > > > > > I was waiting for someone else to do the answering... > > > > On Wed, 9 Aug 2006, David Highley wrote: > > > > > I'm stuck trying to get 5 mythtv recordings out of 50 transcoded and > > > recorded onto DVD discs. Process is as follows: > > > > > The first step transcodes a nupple video stream file to an mpeg2 file > > > cutting out the commercials. It works for most of the recordings but > > > > And therein is the problem area. However that re-coding/transcoding > > is being done (I didn't' see anything that looked like decode/encode > > commands) the output is in error about 10% of the time. Basically > > that indicates that the proceedure is on the verge of being broken > > and that it doesn't take much to generated out of (DVD) spec streams. > > > > > when mplex does an early termination with the warning data will arrive > > > too late in reference to the video stream I have not been able to figure > > > > What I am almost certain that mplex is saying is that the > > bitrate is too high for a DVD.
When I record with mythtv I set the max bit rate to 9 Mb/s. > > > > > INFO: [mplex] SYSTEMS/PROGRAM stream: > > > INFO: [mplex] rough-guess multiplexed stream data rate : 0402496 > > > INFO: [mplex] target data-rate specified : 10080000 > > > INFO: [mplex] Setting specified specified data rate: 10080000 > > > > The first number 0402496 is a result of a bug in 1.8.0 - that's > > obviously a bogus value. > > > > However, the 'target bitrate' seems to indicate you're right up > > against the absolute limit for a DVD (10.08 Mb/s). No headroom > > for the bitrate at all. In doing some more recordings and transcoding I notice that all of them have the exact same target data-rate specified, 10080000. > It is puzzling that the bit rate would get so high from an analog > 720x480 recording. I have tried to limit it with the -r option but it > seemed to have no affect. > > > > > > INFO: [mplex] Audio c0: buf= 0 frame=000000 sector=00000000 > > > INFO: [mplex] Video e0: buf= 0 frame=000000 sector=00000000 > > > ++ WARN: [mplex] Stream e0: data will arrive too late sent(SCR)=107727725 > > > required(DTS)=107727626 > > > > Don't specify such a high bitrate. I didn't see anything that looked > > like an encoding command in the script that was given so I can't > > comment on the options being used except to say "lower the bitrate" > > (you won't see the difference). > > Given I have an mpeg2 recorded file is there away to limit the bit rate > to record to a DVD? > > > > > Steven Schultz > > > > > > ------------------------------------------------------------------------- > > Using Tomcat but need to do more? Need to support web services, security? > > Get stuff done quickly with pre-integrated technology to make your job > > easier > > Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo > > http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 > > _______________________________________________ > > Mjpeg-users mailing list > > Mjpeg-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/mjpeg-users > > > > ------------------------------------------------------------------------- > Using Tomcat but need to do more? Need to support web services, security? > Get stuff done quickly with pre-integrated technology to make your job easier > Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo > http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 > _______________________________________________ > Mjpeg-users mailing list > Mjpeg-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/mjpeg-users > -- Regards, David Highley Highley Recommended, Inc. Phone: (206) 669-0081 Federal Way, WA 98023-7732 WEB: http://www.highley-recommended.com ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Mjpeg-users mailing list Mjpeg-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/mjpeg-users
