On Mon, Jan 30, 2012 at 15:06, Joerg Schilling <joerg.schill...@fokus.fraunhofer.de> wrote: > Andrey Moshbear <andrey....@gmail.com> wrote: > >> On Mon, Jan 30, 2012 at 05:02, Joerg Schilling >> <joerg.schill...@fokus.fraunhofer.de> wrote: >> > Andrey Moshbear <andrey....@gmail.com> wrote: >> > >> >> If there a way to force mkisofs to add padding after sector N so that >> >> the resultin image can be burned as a double layer with no files that >> >> reside partially on one and partially on the other layer? >> > >> > Did you read the mkisofs man page? >> >> I did. The closest thing that was available was -dvd-video, but it >> pads all files, not just ones around a layerbreak. >> -pad only pads the end of the image. > > This is not correct..... > > Mkisofs honors the disk layout defined by the IFO file.
Does there exist an IFO system that doesn't rely on VIDEO_TS and DVD-Video, i.e. a DVD-ROM analog thereof? > >> > Why do you believe there is a problem? >> > >> >> Cdrecord burns DVD+-R DL in PTP mode, so it's going to be inefficient >> in terms of I/O if there's a file that's halfway on >> one layer and halfway on the other. Were there padding or a dummy >> file, this would not be an issue. >> >> Hence, the asking about introducing padding around a layerbreak area. > > You are missunderstanding things: > > The track recording direction is defined by the pressed pree-groove and cannot > be changed. > > If you are copying DVDs, you need to call cdrecord -v -atip or similar in > order > to retrieve the layerbreak value of the original disk. This value needs to be > given with the driveropts=layerbreak=xxx option when writing DVD+R/DL. > > If someone can tell me how to read the layerbreak value from the IFO file, > this > coule be done automatically.... > I'm not copying. I'm making a DVD DL iso from a collection of files in a folder. There's no ripping from silver disc in any stage of the process.
