MeGUI: General Questions and Troubleshooting Thread

[tppytel]

Maybe I'm silly, but changing the frame rate doesn't appear to do anything.
Funny... I just bumped into this today myself while slowing down a progressive PAL video to film rate, something I don't usually have reason to do.

Either the drop-down frame rate selector shouldn't be there for xml files, or it should time-stretch the chapters appropriately.

[maxks]

Hi guys, i have this problem...
https://i.imgur.com/HxyZdEB.jpg
I want re-encode a Bluray with Megui but i dont know what happened.

I need your help.:thanks:

[LigH]

Try less Unicode characters in paths. Restricting to latin characters is much safer.

And read the forum rules again. Pirated moviez are not welcome here.

[Zathor]

What'd be nice would be the ability to select both an input and output frame rate, allowing the time stretching of chapters. Much like ChapterGen (https://www.videohelp.com/software/ChapterGen) does.

When saving a qp file, the frame rate option could continue to work the way it currently does. If you wanted to apply PAL slowdown to a source (for example) you could time-stretch the chapters and save a new chapters file, then use it as the source for creating a matching qp file.
I am working on it. There will be a second FPS selector for the input frame rate. If you have chapters set with static timecodes (you do not know the input FPS for sure = txt/xml or manually added chapters) changing the input frame rate will not change the time codes. However input an output frame rate are always used to determine the stretch factor. Changing the input frame rate will always change also the output FPS so that it does match (to avoid an unwanted time stretch).

[hello_hello]

I am working on it. There will be a second FPS selector for the input frame rate. If you have chapters set with static timecodes (you do not know the input FPS for sure = txt/xml or manually added chapters) changing the input frame rate will not change the time codes. However input an output frame rate are always used to determine the stretch factor. Changing the input frame rate will always change also the output FPS so that it does match (to avoid an unwanted time stretch).

Awesome! Thanks.

[LigH]

x265 v2.8 released (stable, +1 is only the version tag)

[Melan]

Whether there is a possibility so that you add the options "File Title" and "Global Tags" to MKV Muxer?

[olif]

Hi,

is it possible to create a video "web optimized" right now?

And can you recommend a manual for all the settings in the AVS? There are a lot, but some of them are old or not actual.

Thanks.

[LigH]

A "web optimization" depends mainly on the desired container format, and mainly refers to an early position of keyframe index chunks in the container, already before the video content is available. The MP4 container (via MP4Box as multiplexer) supports H.264/AVC or H.265/HEVC video content and is usually generated in "web optimized" order per default, IIRC. The MKV container would support this as well, especially in the WebM subformat, but MeGUI does not generate its supported video formats (VP8 / VP9).

[kalehrl]

Is there any direct way to cut an audio file such as webm or mp3?
There is 'audio cutter' in the 'tools' menu but it requires 'cut file'.
This file can only be created if audio is muxed with video which I don't have.

[hello_hello]

kalehrl,
Yu could use something like DelayCut (https://www.videohelp.com/software/delaycut), but have you tried creating a temporary blank script? ie.

BlankClip(length=39144), where "length" is the duration of the audio in seconds multiplied by 24 (the default frame rate).

That'll give you video to open with the AVS Cutter so you can add cuts to the script and save a cuts file for splitting the audio in the usual way.

I guess you'd want to have "Add Time Position" checked for the Preview in MeGUI's settings so you can see where you are based on time rather than only by frame number. If you wanted the cuts to be more accurate than to within 41ms (cause the AVS Cutter still adds cuts based on frame numbers) you could use a higher frame rate for the blank clip.

Or you could create the cuts file yourself. It's just a text file with a cts extension. If you create one and open it with Notepad you should see how it works.

[tebasuna51]

1) To cut a audio file by exact points you need decode the file and use a wav editor or other wav tool.
If you want cut a audio file without recode, the cut points must be in audio frame boundaries because the method is delete some complete (from 11 ms in DTS until 32 ms in AC3) audio frames.

2) If you assume that limit and some clicks in cut points (between frames there are some info traslated) if aren't in silent points, there are some tools to do the job.
For instance:

a) MeGUI method (AVS cutter -> cuts.clt -> Audio cutter) based in the old Besplit.exe with a command line like:

"...\besplit.exe" -core( -input "INPUT.ac3" -prefix "OUTPUT" -type ac3 -a ) -split( 522.08 1960.32 2000.32 3017.6 3087.6 3440.2 )

Thats cuts the input file in parts, by the nearest 32 ms point, and after join the desired parts.
The points are in seconds and are calculated with fps (here 25) and Trim frames, here:
trim(13052,49007) + trim(50008,75439) + trim(77190,86004).

Of course you can use besplit.exe manually without need avs at all.
Besplit don't support all audio formats.

b) MkvMerge method. If you want a manual method I recommend you use a command line like:

"...\mkvmerge.exe" -o "OUTPUT.mka" "INPUT.EXT" --split parts:00:08:42.080-00:32:40.320,+00:33:20.320-00:50:17.600,+00:51:27.600-00:57:20.200

The points are the same, in format hh:mm:ss.mmm, the '-' show the range included, the ',+' add the next range.
MkvMerge support much more formats than the old BeSplit.

[Cunhambebe]

Hi friends.
I recently updated w10 (April 2018 version). This happened las friday here. Sice then MEGUI 2828 stoped working, it doesn't start anymore. Then I've decided to install the new version 2836. Same thing. It says here: MeGUI encountered a fatal error and may not be able do proceed. Reason: external component added an exception.
Question: should I remove w10 last update or wait for a fix on MeGUI?
Thanks in advance.

[kalehrl]

Thanks hello_hello and tebasuna51
It sounds way too complicated than I anticipated.
I tried using some mp3 cutting tools like mp3split-gtk but it was flaky so I thought of MeGUI and the avs stuff.
I will study those examples and hopefully come up with a solution that works for me.

[LouieChuckyMerry]

Thanks hello_hello and tebasuna51
It sounds way too complicated than I anticipated.
I tried using some mp3 cutting tools like mp3split-gtk but it was flaky so I thought of MeGUI and the avs stuff.
I will study those examples and hopefully come up with a solution that works for me.

Hope it's not too late. I've been using Mp3DirectCut (http://www.mpesch3.de1.cc/mp3dc.html) for years with excellent results.

[kalehrl]

Thank you.
It is much simpler and more useful than mp3spl-gtk so I'll keep using it.

[LigH]

After a few troubles, l33tmeatwad provided recent builds of L-SMASH Works (https://forum.doom9.org/showthread.php?p=1843162#post1843162) and FFMS2 (https://forum.doom9.org/showthread.php?p=1844872#post1844872). Possibly a few final tests pending?

Note: Due to L-SMASH Works issue #58 (https://github.com/VFR-maniac/L-SMASH-Works/issues/58) persisting, decoding VC-1 from MKV fails here (but works in FFMS2).

[leon]

decoding VC-1 from MKV fails here (but works in FFMS2).

It also fails in WMV.

[rhaz]

x64 2869 dev version crash x264 encoding with TIVTC x64 from https://github.com/pinterf/TIVTC/releases using tfm(order=1).tdecimate() all this selecting from a dropdown list of deinterlacers in the interface.

error: [Error] [2018-07-13 15:17:24] Process exits with error: 0xC0000005 STATUS_ACCESS_VIOLATION (-1073741819)

encodes fine if you remove tfm(order=1).tdecimate()

[Danette]

I just updated to 2836 and, now, all of my attempts to encode, using One-Click, result in instant failure after the indexing process, i.e.: when encoding starts. The progress window never appears. The avs error reported is: "Error occurred while writing frame 0" followed by another error message: "process exits with error: 0xFFFFFFFF (-1)". This happens with many different m2v files. Before updating, there were no problems.

[Zathor]

I just updated to 2836 and, now, all of my attempts to encode, using One-Click, result in instant failure after the indexing process, i.e.: when encoding starts. The progress window never appears. The avs error reported is: "Error occurred while writing frame 0" followed by another error message: "process exits with error: 0xFFFFFFFF (-1)". This happens with many different m2v files. Before updating, there were no problems.

Please provide a log and if possible update to the latest development version.

[Pulp Catalyst]

Is there any chance that someone can share simple profiles that can take care of most generic jobs.

like DVD's, and & Bluray conversions.

also a couple of QTGMC - Medium pre-sets for dealing with interlaced stuff.

i only ask, because there are hundreds of threads, and i hoped by asking, perhaps some f you more veteran users could share just some simple generic profiles that can get me started?

thanks.

[LigH]

Profiles for ... what? AviSynth filter sets, or encoder parameter sets?

[Pulp Catalyst]

forgive me,

i was referring to the all in one profiles used for one click encode, that the all in one click will take it que from (if you will)?

I'm aware that the script will need to be adjust for my system setup, but i was hoping for those that have already got there foot firmly in the door, to kindly share some simple yet effective generic profiles.

if at all possible?

Thanks,

note: i have a i7 3770k cpu (which is quad core, with 8 threads total).

i would like to have profiles that will be relatively efficient?

[hello_hello]

Zathor,

I'm working on a new version of my cropping/resizing script, and it occurred to me it could play nice with MeGUI.

I discovered if a function creates the same global variables as MeGUI, the new values replace the original ones and MeGUI uses them when loading the script (I'd not thought about it before and assumed MeGUI read the actual text somehow).

Anyway, is there any limitation for the aspect ratio variables? Float seems to be a showstopper, but would particularly large integers cause problems?

global MeGUI_darx = 4
global MeGUI_dary = 3

And because you don't know unless you ask..... is that the only way to supply MeGUI with an aspect ratio via a script? Specifying a display or sample aspect ratio as float would be nice. :)

[LigH]

The MeGUI_dar* variables won't be interesting for AviSynth in any way, they are just variables which will be ignored because they are never used in calculations (at least not in the AviSynth script). MeGUI will recognize them as remarks, to calculate SAR values to pass them along for encoder command line options, e.g. x264/x265: "--sar <width:height|int>". I guess MeGUI is able to calculate brief SAR values either way...

[StainlessS]

HH, here prototype script functions for setting dar prior to implementation in RT_Stats,
I regularly use scripts that set Display Aspect Ratio in MeGUI.

Function GetCropDAR(clip c,float DAR,float "X",float "Y",float "W",float "H") {
# Call prior to Crop/Resize with (possibly fractional) cropping to calc resultant DAR, X,Y,W,H are cropping coords
# DAR = FAR * SAR ::: FAR = DAR / SAR ::: SAR = DAR / FAR
#
X=Float(Default(X,0.0)) Y=Float(Default(Y,0.0)) W=Float(Default(W,0.0)) H=Float(Default(H,0.0))
W=W<=0.0?c.width+W-X:W H=H<=0.0?c.height+H-Y:H
# we dont allow eg -ve X
Assert(X>=0.0&&X < c.width, "GetCropDAR: Invalid X("+String(X)+")")
Assert(Y>=0.0&&Y < c.height,"GetCropDAR: Invalid Y("+String(Y)+")")
Assert(W> 0.0&&X+W<=c.width, "GetCropDAR: Invalid W("+String(W)+")")
Assert(H> 0.0&&Y+H<=c.height,"GetCropDAR: Invalid H("+String(H)+")")
Return c.GetSAR(DAR) * W / H
}

#--------------

# From MeGUI Wiki:
Function GetDAR(clip c, float SAR) { return Float(c.width) * SAR / Float(c.height)} # Gets the DAR from the SAR
Function GetSAR(clip c, float DAR) { return DAR * Float(c.height) / Float(c.width) } # Gets the SAR from the DAR
Function SignalDAR(float DAR){ # Signal DAR for MEGUI (Name change from SetDar)
Assert(DAR>0.0, "SignalDAR: Error, DAR must be greater than zero")
Global MeGUI_darx=Round(1000*DAR) Global MeGUI_dary=1000
}
Function SignalDAR2(int DARX,int DARY){
Assert(DARX>0 && DARY>0, "SignalDAR2: Error, DARX and DARY must be greater than zero")
Global MeGUI_darx=DARX Global MeGUI_dary=DARY
}


EDIT: GetDAR and GetSAR return results as Float, not integer pairs.
EDIT: Might also be of interest:- http://avisynth.nl/index.php/Internal_functions#Continued_Numerator.2C_Denominator

[hello_hello]

The MeGUI_dar* variables won't be interesting for AviSynth in any way, they are just variables which will be ignored because they are never used in calculations (at least not in the AviSynth script). MeGUI will recognize them as remarks, to calculate SAR values to pass them along for encoder command line options, e.g. x264/x265: "--sar <width:height|int>". I guess MeGUI is able to calculate brief SAR values either way...

Not of an interest to Avisynth itself, but they can still be used by scripts.
MeGUI doesn't seem to recognize them as remarks as such, but as global variables just as Avisynth does. I don't know how it works, but that's what happens.

For instance if I create a simple function such as this one:

function MeGUIAspect(clip c) {
global MeGUI_darx = 16
global MeGUI_dary = 9
Return c }

And add it to a script after MeGUI has added it's own aspect ratio variables:

# Set DAR in encoder to 4 : 3. The following line is for automatic signalling
global MeGUI_darx = 4
global MeGUI_dary = 3

LoadPlugin("C:\Program Files\MeGUI\tools\dgindex\DGDecode.dll")
DGDecode_mpeg2source("D:\video.d2v")

MeGUIAspect()

When the script is saved and loaded, MeGUI will see the display aspect ratio as 16:9, not 4:3.

The only "gotcha" is MeGUI decides on the aspect ratio when it loads the script, so you can't change it later. If you change the resolution after loading a script and there's no aspect info (it's not anamorphic), MeGUI will still adjust the SAR to give you the original DAR, so you have to delete the script from the job queue and load it again.
I'm not sure why it works that way as the log file informs you the aspect ratio has changed, although I think it should be a warning message, but MeGUI uses the original DAR even though it's aware it's changed.

Changing my function above to a 2:1 aspect ratio after adding the script to the job queue:

-[Information] [09/08/18 12:36:21 AM] AviSynth input script
--[NoImage] # Set DAR in encoder to 4 : 3. The following line is for automatic signalling
--[NoImage] global MeGUI_darx = 4
--[NoImage] global MeGUI_dary = 3
--[NoImage] LoadPlugin("C:\Program Files\MeGUI\tools\dgindex\DGDecode.dll")
--[NoImage] DGDecode_mpeg2source("D:\video.d2v")
--[NoImage] MeGUIAspect()
-[Information] [09/08/18 12:36:22 AM] resolution: 720x480
-[Information] [09/08/18 12:36:22 AM] frame rate: 30000/1001
-[Information] [09/08/18 12:36:22 AM] frames: 44477
-[Information] [09/08/18 12:36:22 AM] length: 00:24:44.049
-[Information] [09/08/18 12:36:22 AM] aspect ratio (avs): 2:1 (2.000)
-[Information] [09/08/18 12:36:22 AM] aspect ratio (job): 16:9 (1.778)

[hello_hello]

HH, here prototype script functions for setting dar prior to implementation in RT_Stats,
I regularly use scripts that set Display Aspect Ratio in MeGUI.

Thanks for that, it should help once I get my head around it.

I think I understand what you quoted from the wiki, but to confirm, there's no other way to give MeGUI an aspect ratio via a script other than using global MeGUI_darx & global MeGUI_dary?

Cheers.

[LigH]

Not of an interest to Avisynth itself, but they can still be used by scripts.

True. MeGUI may not generate scripts relying on them (yet), but you may do that manually.

[hello_hello]

I've added anamorphic resizing to the script but no doubt it'll take me a while to refine it so I'm happy. I'll play with it when I have time to kill.....

The script's picking up MeGUI's global aspect variables (4:3 NTSC ITU in the screenshot), and after fixing my usual abundance of stupids, it's now getting the maths right. For the moment, the new aspect variables created by the script are displaying as a yellow subtitle so I can keep an eye on them.

The way I intended to support anamorphic resizing isn't as initiative as it was in my head, so I'm rethinking some of that, and several of the script's options need to become "anamorphic aware" in order to work correctly, but the plan's slowly coming together.....

https://s22.postimg.cc/folvlyo69/Crop_Resize_test.jpg

[greatfinders]

i have an issue from sometimes with megui , i don't remember since when as megui allways auto-update but megui can't detect interlacing anymore, i tried with any vob, i allways have the same issue no matter the vob, d2v i use, i even deleted megui and redownload the last version it's the same things

i am the only one?

[rhaz]

If you have e.g. demuxed DVD in a .m2v file and you have the DVD directory VIDEO_TS in same folder with the .m2v if you select the .m2v in the File Indexer, it goes and loads vob files in the subdir instead.

In order to make .m2v get actually selected you have to move or delete the VIDEO_TS folder.

1. Launch File Indexer
2. Select and open .m2v
3. .m2v gets ignored, File Indexer loads .vob files inside subdir instead?

update: Same with .MPG, gets ignored when selected and loads content from VIDEO_TS folder instead.

[greatfinders]

If you have e.g. demuxed DVD in a .m2v file and you have the DVD directory VIDEO_TS in same folder with the .m2v if you select the .m2v in the File Indexer, it goes and loads vob files in the subdir instead.

In order to make .m2v get actually selected you have to move or delete the VIDEO_TS folder.

1. Launch File Indexer
2. Select and open .m2v
3. .m2v gets ignored, File Indexer loads .vob files inside subdir instead?

update: Same with .MPG, gets ignored when selected and loads content from VIDEO_TS folder instead.

i find the solution it's an avisynth plugins that was causing the crash, interesting things is that it only make megui crash not others software or others script...i removed it it solve the pb

[imsrk48]

"The colorspace of your clip is not in YV12... Do you want me to add ConvertToYV12() to the end of your script?"

How to fix this??

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[StainlessS]

"The colorspace of your clip is not in YV12... Do you want me to add ConvertToYV12() to the end of your script?"

How to fix this??


Just as it says, either Click Yes, or add ConvertToYV12 to the end of your script [there is nothing cryptic about it].

EDIT:
You can temporarily add this to the end of your script to see colorspace etc (eg play in MPC-HC or vdub2).

return info

Might be best to say what it is that you are trying to do.

[LigH]

How shall we give advice as long as we don't know your script? Usually, MeGUI generates one that matches its own needs. But it can also process custom scripts, they may return clips with undesired attributes.

[imsrk48]

Just as it says, either Click Yes, or add ConvertToYV12 to the end of your script [there is nothing cryptic about it].

EDIT:
You can temporarily add this to the end of your script to see colorspace etc (eg play in MPC-HC or vdub2).

return info

Might be best to say what it is that you are trying to do.can u please give exact example please

what i need to add just ConvertToYV12 or some extra.

Sent from my P4 using Tapatalk

[LigH]

can u please give exact example please

Can you please publish your whole .avs script, please?

[imsrk48]

i got this Sir Thanks for helpingCan you please publish your whole .avs script, please?

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[imsrk48]

How to Encode Movie with Dual Audio Track

Please Anyone Explain This.

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[imsrk48]

How to Encode Movie with Dual Audio Track using MeGui

Please Anyone Explain This

[LigH]

I don't know if the automated tools can handle this. What I know working reliably, is the manual method:

You extract the audio tracks to separate files.
You convert the video in a manual video encoding job via the Queue.
If you want the audio tracks converted too, you also create audio conversion jobs for the Queue.
You use the manual multiplexer tool (in the "Tools" menu) for your desired container (MP4 or MKV, usually, Ctrl+4 or Ctrl+5).
You load the converted video track into the multiplexer window, then you load one audio track after another (may they be original or converted).
You finish the multiplexing job and run it in the Queue.

[hello_hello]

How to Encode Movie with Dual Audio Track

If you're using the OneClick encoder, open it, click the "Config" button next to the OnceClick profile list, select the Audio tab when the configuration window opens, and make sure "use only the first audio tack" is unchecked. I think it's checked by default. Or.....

Open the source with the File/Open menu or the File Indexer. When MeGUI offers to index it you can select audio tracks. By default they're all selected.

If MeGUI can do so, the audio will be extracted when you run the indexing job (MKV, vob files etc). For other sources it'll create scripts to encode the audio instead. Either way, they should be loaded into the audio section. If there's two audio tracks, there'll be two tabs at the top of the audio section.

If you want MeGUI to automatically combine the video and audio after encoding, instead of adding the video and audio jobs to the job queue individually, click the "AutoEncode" button after the video and audio scripts have been created and loaded.

[imsrk48]

If you're using the OneClick encoder, open it, click the "Config" button next to the OnceClick profile list, select the Audio tab when the configuration window opens, and make sure "use only the first audio tack" is unchecked. I think it's checked by default. Or.....

Open the source with the File/Open menu or the File Indexer. When MeGUI offers to index it you can select audio tracks. By default they're all selected.

If MeGUI can do so, the audio will be extracted when you run the indexing job (MKV, vob files etc). For other sources it'll create scripts to encode the audio instead. Either way, they should be loaded into the audio section. If there's two audio tracks, there'll be two tabs at the top of the audio section.

If you want MeGUI to automatically combine the video and audio after encoding, instead of adding the video and audio jobs to the job queue individually, click the "AutoEncode" button after the video and audio scripts have been created and loaded.I'm using DirectShowStream Then I'm Creating AVS Script there is no options for select 2 tracks for encoding so it's my request for add feature in direct MeGui's Audio Selection For add 2-3 tracks one by one like handbrake

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[LigH]

Details, details, details... you still did not post any of your scripts, neither a log file including the analysis of your source file.

If you write your own custom scripts, then MeGUI cannot know the attributes of the source file. And using DirectShowSource is discouraged in MeGUI for serious reasons, e.g. there is a risk that first and second pass of a 2-pass encoding don't match frame exactly; and it is even possible that DirectShowSource is unable to decode more than one audio stream, depending on the splitter for the container of your source file, or even in general?

MeGUI will offer you the "File Indexer" for FFMS2 or L-SMASH Works as primary source plugins, after analyzing the source file and knowing how many streams it contains and which attributes they have. Furthermore, you may not even need to convert the audio streams, but they have to be extracted to be multiplexed into your newly encoded copy.

[imsrk48]

Thanks i understand this time completely & sorry for irritating you Sir

I'm Requesting You...Details, details, details... you still did not post any of your scripts, neither a log file including the analysis of your source file.

If you write your own custom scripts, then MeGUI cannot know the attributes of the source file. And using DirectShowSource is discouraged in MeGUI for serious reasons, e.g. there is a risk that first and second pass of a 2-pass encoding don't match frame exactly; and it is even possible that DirectShowSource is unable to decode more than one audio stream, depending on the splitter for the container of your source file, or even in general?

MeGUI will offer you the "File Indexer" for FFMS2 or L-SMASH Works as primary source plugins, after analyzing the source file and knowing how many streams it contains and which attributes they have. Furthermore, you may not even need to convert the audio streams, but they have to be extracted to be multiplexed into your newly encoded copy.

Sent from my P4 using Tapatalk

[hello_hello]

I'm using DirectShowStream Then I'm Creating AVS Script there is no options for select 2 tracks for encoding so it's my request for add feature in direct MeGui's Audio Selection For add 2-3 tracks one by one like handbrake

You can add 2-3 tracks one by one. Right click on the tab at the top of the audio section and select "New Track". You can add multiple audio streams.
Of course if the appropriate audio track can't be specified in the scripts you're creating, there's nothing MeGUI can do about that.

[imsrk48]

ohh that's great u r AwesomeYou can add 2-3 tracks one by one. Right click on the tab at the top of the audio section and select "New Track". You can add multiple audio streams.
Of course if the appropriate audio track can't be specified in the scripts you're creating, there's nothing MeGUI can do about that.

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[HOB]

I just updated to MeGUI 2875 and found that DGIndex, DGIndexIM and DGIndexNV are all grayed out. I tried with both a .vob and a .mkv file and they are grayed out in both formats. I have IM and NV checked in the settings dialogue box and I do have a license for NV but they still show-up gray.

Anyone else experiencing the same problem?


Edit: addition

I've done a bit more work with .vob files and found that when I drag and drop one onto the main screen I'm no longer provided with an indexer choice, it goes straight into indexing. Then when it finished encoding the last twenty minutes of the movie I was encoding were gone. The time/length of the movie showed correctly but the end of it was not there.

Just tried the backup megui.exe file with the same results...might this be a problem with the also updated avisynth files?

Edit NEW
Tried to update a file at a time from a BU directory and contrary to my above comment about AviSynt those files do not seem to be the problem. BUT...when I update to MeGUI 2875, MeGUI Libraries 2847 and MediaInfo 18.08 the problem re-appears. SO...the problem may be in one of those updated files? At this point I am unable to encode a full movie from .vob files as it only recognize one .vob file at a time and does NOT put them together to create the whole movie. I hope that's clear?

EDIT NEW NEW!

Whoever fixed it (Zathor?) thank you very much, 2872 is working fine!...thanks again.