>From: Phil Ehrens <[EMAIL PROTECTED]> > >Ben Blout wrote: >> [If two versions of this make it to the list, my apologies. I made a >> mistake with the from: address of the previous copy, and it appears to >> have been not sent out to the mailing list. Of course, having re-sent >> this (slightly edited) version, they will now both appear.] >> >> Hello all, >> >> I have tried to help myself, and failed... >> >> This gave me the desired results: >> >> transcode -c :0:00.0-:0:05.0 -i video.m2v --export_prof dvd-ntsc >> --import_asr 3 --export_asr 2 -o test -Z fast >> >> But my understanding is that the "fast" option does not give ideal >> quality output video. But I can't get any of the other -Z options to >> work, for example this fails: >> >> transcode -c :0:00.0-:0:05.0 -i video.m2v --export_prof dvd-ntsc >> --import_asr 3 --export_asr 2 -o test -Z 720x480 >> >> with this the only apparent problem: >> **ERROR: [mpeg2enc] Vertical size is greater than permitted in specified >> Level >> >> Question 1: Do I lose video quality with the fast flag to -Z? >> Question 1a: If yes, how can I use the -Z option? > >I have found that under certain circumstances, specifically when >the input geometry (x and y values, i.e. 720x480) and the output >geometry are identical, certain letterboxing/zooming options fail >inexplicably. In some cases I have bitten the bullet and re-encoded >the source to something slightly different (like 704x400 for 16:9 >content) and then transcoded to dvd from that. > >Does that sound like the same issue?
I don't know how to answer this. For me, the -Z fast option works just fine. I just don't know what the "fast" option means - it seems to be a lower-quality transcoding, which is not what I want. -Ben
