Multiple PGCs in one titleset

[lemmy999]

I am trying to do a backup where the one set of VTS_01_x.VOB files have mulitple PGCs. The first PGC is the main feature 01:22:35 and the other 3 PGCs are small 5-10 minute extras. The audio is in LPCM and I am trying to change this to AC3 2.0 before shrinking with DVD Shrink. I have looked at this guide:
http://forum.doom9.org/showthread.php?threadid=84887&perpage=20&pagenumber=1
and this one:
http://www.videohelp.com/forum/viewtopic.php?t=234240

but I know the second one will not work with multiple PGCs and I don't think the first one will. Otherwise the DVD is fairly simple. Only one audio track (LPCM) and no subtitles. I think I can use DVD Decrypter to rip each of the 4 PGCs seperately, then change the audio of each one. But I do not know of a way to get these 4 PGCs back in to one video title set. Can anyone point me in the direction of how to handle this? Thanks.

[sweetness]

your first link should work. vobblanker can replace each PGC.
BTW there is a newer version of ifoedit since that post, so you can use that to remux your dvd

[lemmy999]

Thanks. I didn't know if PGCDemux and especially Vobblanker would work with multiple PGCs.

I assume PGCDemux will output celltimes for all 4 PGCs. Can IFOEdit import all of these? The problem I had with using he guide in the second link was that when I used IFOEdit to create the celltimes file, I could only save one PGC at a time. And then when I was using IFOEdit to remux, I could only include the one celltimes file.

From playing around with VobBlanker, it looks like that I will have to process each VOB seperately. I guess I need to rip each PGC to seperate file in DVDDecrypter using IFO mode, then demux each, and then remux with IFOEdit. This will give me 4 different VOB sets. Then I can replace each PGC one at a time in VobBlanker. Will this work?

[jsoto]

No, the way you have to go (if using VobBlanker) is:

-Rip the whole DVD in FILE mode with DVDDecripter
-Run PgcDemux once per PGC, and save the PGC streams to different folders. You will have one Celltimes.txt per PGC.
-Convert your audio/s
-Mux again (using IFOEdit or Muxman,), but be careful with the streams order. You have to run the muxer once per PGC, using the original CellTimes.txt. You will get a set of VOBs per PGC.
-Start VobBlanker, select replace each PGC for the new one and run VobBlanker (only once).
- Adjust the audio attributes in the IFO with IFOEdit. DON'T forget this step. If you are changing the audio code (from PCM to mp2/ac3), the sound will not play at all if you don't do this step in the right way.

HTH,
jsoto

[lemmy999]

Fortunately the DVD is pretty simple. No subs, and only one audio stream, so I should be able to get it right. Thanks for you help (and of course the tools).

[lemmy999]

I tried to back up this DVD and I am having only two small problesm. As I said earlier, I have 4 PGCs in VTS 1. After I change the audio and remux with IFOEdit, I use VobBlanker. I chose to replace all 4 PGCs in the original VTS 1. Then I process. These were the warnings I received:

TS 01: Opening IFO
VTS 01: Processing VOB (Menus)
VTS 01: Keeping Menu LU 01, PGC 01
VTS 01: Keeping Menu LU 01, PGC 02
VTS 01: Keeping Menu LU 01, PGC 03
VTS 01: Keeping Menu LU 01, PGC 04
VTS 01: Keeping Menu LU 01, PGC 05
VTS 01: Processing IFO (Menu)
Looping into Menu PGCs and cells
Building VTSM_C_ADT table
Filling VTSM_VOBU_ADMAP table
VTS 01: Processing VOB (Titles)
VTS 01: Replacing PGC 01 by E:\HW\VIDEO_TS\PGC1\REMUX1\VTS_01_1.VOB
Cells to be replaced=28
Replacing Cell # 2, VID=1 CID=1
Replacing Cell # 3, VID=1 CID=2
Replacing Cell # 4, VID=1 CID=3
Replacing Cell # 5, VID=1 CID=4
Replacing Cell # 6, VID=1 CID=5
Replacing Cell # 7, VID=1 CID=6
Replacing Cell # 8, VID=1 CID=7
Replacing Cell # 9, VID=1 CID=8
Replacing Cell # 10, VID=1 CID=9
Replacing Cell # 11, VID=1 CID=10
Replacing Cell # 12, VID=1 CID=11
Replacing Cell # 13, VID=1 CID=12
Replacing Cell # 14, VID=1 CID=13
Replacing Cell # 15, VID=1 CID=14
Replacing Cell # 16, VID=1 CID=15
Replacing Cell # 17, VID=1 CID=16
Replacing Cell # 18, VID=1 CID=17
Replacing Cell # 19, VID=1 CID=18
Replacing Cell # 20, VID=1 CID=19
Replacing Cell # 21, VID=1 CID=20
Replacing Cell # 22, VID=1 CID=21
Replacing Cell # 23, VID=1 CID=22
Replacing Cell # 24, VID=1 CID=23
Replacing Cell # 25, VID=1 CID=24
Replacing Cell # 26, VID=1 CID=25
Replacing Cell # 27, VID=1 CID=26
Replacing Cell # 28, VID=1 CID=27
Replacing Cell # 29, VID=2 CID=1
VTS 01: Replacing PGC 02 by E:\HW\VIDEO_TS\PGC2\REMUX2\VTS_01_1.VOB
Cells to be replaced=1
Replacing Cell # 2, VID=5 CID=1
WARNING: Number of Cells higher than original. Continuing with same cell VID/CID
Replacing Cell # 2, VID=5 CID=1
VTS 01: Replacing PGC 03 by E:\HW\VIDEO_TS\PGC3\REMUX3\VTS_01_1.VOB
Cells to be replaced=1
Replacing Cell # 2, VID=3 CID=1
WARNING: Number of Cells higher than original. Continuing with same cell VID/CID
Replacing Cell # 2, VID=3 CID=1
VTS 01: Replacing PGC 04 by E:\HW\VIDEO_TS\PGC4\REMUX4\VTS_01_1.VOB
Cells to be replaced=1
Replacing Cell # 2, VID=4 CID=1
WARNING: Number of Cells higher than original. Continuing with same cell VID/CID
Replacing Cell # 2, VID=4 CID=1
VTS 01: Processing IFO (Titles)
Looping into Title PGCs and cells
Building VTS_C_ADT table
Processing TMPATI table
Filling VTS_VOBU_ADMAP table
VTS 01: Processing IFO (Ending and writting)

Will these warnings cause any problems?

[lemmy999]

I guess those warnings were of no significance because the DVD backup worked very well. Thanks.

[sweetness]

when you remuxed the pgc did you use the original cell time?(CellTimes.txt, as jsoto posted)
you have more cells in the remuxed pgc then you have in the original ones. that's why you got the message. these are small pgc it wouldn't make much of a difference, you probably have one chapter per pgc.

[jsoto]

Will these warnings cause any problems? Don't worry, no problem at all. VobBlanker corrects the elapsed time in the following packets. The warning is issued because it is supposed you should have the same number of cells.
Using the original Celltimes.txt, it is normal to have a very small cell at the end, just the last frame (or a couple of them).
In the case of recoding video and a small blank cell at the end of the original PGC, the opposite situation, let's say, one cell less than the original is also "normal", and it's also corrected by VobBlanker.
jsoto

[lemmy999]

Yes, those 3 small PGCs had a small 1 seconds segment at the end. There were no real chapters though. I guess this is so if you press >| while watching it, it jumps to the end and then plays the 1 second blank section and then back to the menu? Anyway, the celltimes.txt for the 3 short PGCs had two numbers in them.