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MicoMaco
27th August 2010, 18:57
After ticking the option "Subtitle track(s)" there are subtitles missing from a certain point in the transcoded avi to the end of the movie. In the .idx file I noticed a timing discrepancy between the actual subtitles on the DVD and those denoted by .idx file. A huge timing gap is starting at approximately 01:01:25 since the next subtitle line, according to .idx, should start at 02:02:59 which is absolutely false (the movie duration is 1h35min).

This is a copy from the .idx file:

timestamp: 01:01:08:200, filepos: 0001c3800
timestamp: 01:01:13:000, filepos: 0001c5000
timestamp: 01:01:24:640, filepos: 0001c6800
# Vob/Cell ID: 1, 12 (PTS: 3689200)
timestamp: 02:02:59:480, filepos: 0001c7800
timestamp: 02:03:02:520, filepos: 0001c8800
timestamp: 02:03:15:040, filepos: 0001c9000

Any ideas why is this happening and how to overcome this nuisance?

Regards, MicoMaco

P.S. AutoGK version 2.55

manono
27th August 2010, 22:10
I don't know why it happens but you can edit the IDX to fix it. This requires that you know the exact time when that bold-faced part is supposed to start. Maybe take the finished AVI and open it in VDub(Mod) , scroll to that place, and note the exact time when the lips begin to move, or something like that. The IDX explains how to add in a delay:
# For correcting non-progressive desync. (in millisecs or hh:mm:ss:ms)
# Note: Not effective in DirectVobSub, use "delay: ... " instead.
time offset: 0
So, adding in something like this:

# Vob/Cell ID: 1, 12 (PTS: 3689200)
delay: -01:01:24:000
timestamp: 02:02:59:480, filepos: 0001c7800
timestamp: 02:03:02:520, filepos: 0001c8800
timestamp: 02:03:15:040, filepos: 0001c9000

should work. Save it, open it in SubResynch (included in the VobSub package and also found in the Subtitle Tab of Gordian Knot) and save it again, under a different name. That will get rid of the delay line and then all the timestamps will have been adjusted. The reason this extra step is necessary is because I don't think AutoGK will read that delay line (not positive, though). Then use the CTRL-F8 trick to get the edited VobSubs into the AVI (hit the drop-down box to get to VobSubs):

http://forum.videohelp.com/threads/256625-How-to-add-permanent-subtitles-with-AutoGK-and-convert-to-AVI-DivX-or-XviD

You might also try a different method of getting the VobSubs to see if it has the same problem, VSRip maybe:

http://www.videohelp.com/tools/VSRip

and then use the same CTRL-F8 to get them into the video.

MicoMaco
28th August 2010, 14:45
Thx a lot!

This is a great tip, however I already found a way around. I used subrip to rip the subs from dvd, I noticed that there is something wrong with the dvd, this one is the 1st one that had wrong timings after ripping. The timings were multiplied with 2 in duration, I guess AutoGK or subrip couldn't distinguish between frames and fields. Than I used Subtitle Workshop to speed up the subtitles. Now I'll import them as external ones via ctrl+f8 option.

Kind regards!