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Windows 7: Encoding Speed

16 Jan 2011   #51

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE

I went over to the log screen, and found an error message stating that it couldn't start due to Nero AacEnc.exe being missing from the MeGui directory. You mentioned something about this earlier, but I thought that you were talking about Nero Recode...Obviously not. So how do I correct this?

My System SpecsSystem Spec
16 Jan 2011   #52

Windows 7 Home Premium 64bit

Ok here what you need to do. (BTW its worth the ffort, as Neros AAC is quite good IMHO)

Go here and download the encoder.
Nero - Download the Nero AAC Codec

Unzip it. Theres only 1 file you need.
It is inside the Win32 folder of that package, and its called:


That the only thing you need.

Next go to your tools folder in MeGui's install location.
By default this is:
C\ Program Files (x86) \ MeGui \ Tools

Inside the tools folder make a new folder called (Nero)
Then put that neroaacenc file you downloaded into it.

The only other thing you need to do, is tell MeGUI where it is.

In MeGUIs main window, click Options at the top, then choose Settings.

In the Window that pops up, click on the External Program Settings Tab.
Then,in the Nero section, click the little box to the right, and browse to the location you put the NEroaacenc.
(( C/ Program Files (x86) / MeGUI / Tools/ Nero / neroaacenc.exe ))

And thats it.

Also, while you are in this section, in the Extra Config Tab, you can click on Choose Auto Encoder Default settings.
here you can change the defaults to your liking.
For example, always use a MKV and Use Profile settings.
My System SpecsSystem Spec
16 Jan 2011   #53

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE

Okay, that's done, but going to the start button, just as before, nothing happens. I rechecked the log, and it appears that the errors that are shown are exactly as they were before, so I'm still lost. I've included a screenshot, if it helps:

Attached Thumbnails
Encoding Speed-log.png  
My System SpecsSystem Spec

16 Jan 2011   #54

Windows 7 Home Premium 64bit

Ok, did you clear all the jobs in Queue, and restart them? I would recommend doing that at this point.
But before you Queue it again, click the Options Tab at the top of the main MeGUI screen, and choose update.
Update everything if there are some available. (right click / check all / to install multiple updates in each pop up)

The only thing you'll need to double check and change is the Audio setting, before going to the Auto Encode section.

Also, I would suggest configuring your Nero Encoder like the snip below for now.

Attached Thumbnails
Encoding Speed-capture.jpg  
My System SpecsSystem Spec
16 Jan 2011   #55

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE

I think that it is finally working. I wasn't too sure, because it sat idly for quite a while with the message saying that it was preprocessing...please wait. I suspect that delay was due to the fact that I have an ongoing encode being process in another program at the moment, which is using a majority of the CPU. However it finally began. so now I have to wait to see the result.
My System SpecsSystem Spec
16 Jan 2011   #56

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE

Something must be wrong, because it began processing at ~2FPS, and even after the other encoder finished it's job, it is slowly rising on speed, but it is only at ~ 8FPS, with an estimate of finishing in ~4:15:00. From what you said at the outset, I expected a lot more speed than this.

EDIT: Another aspect is that it started out set at low priority, but I moved that up to above normal priority, but I'm not sure that helped or not. The CPU is running at 100%, with MeGUI taking 80% of that.
My System SpecsSystem Spec
16 Jan 2011   #57

Windows 7 Home Premium 64bit

Preprocessing Audio is normally if you are using the 'Normalize Peaks" , "Apply Dynamic Compression" options, or both. This is normal.
If these 2 features are disabled, ther will be no pre-processing.
Totally optional if you want to use these features or not. If you do, it'll just add 2 or 3 minutes to the Audio encode process.

As far as the video, It may be soley due to the setting in the Encoders Profile.
My guess is that for 1, slow 1st pass is enabled. This has changed to be "On" by default now if I remember correctly. (I actually totally forgot about this)

This option does offers a bit more accuracy, but the overall result is not at all worth the significant increase in encoding time. At least IMHO.
You can gain quality elsewhere, without nearly as much of a hit.

Being as I am unsure what profile you are using, and the fact they do get updated from time to time, Ill post what I think is a fairly good comprimise between speed and quality. At least to get you started for now. You can then tweak to your hearts content once you start getting the hang of everything.

Start with the profile MAXCompatability (DXVA)

At the main screen, Click "Show Advanced Settings"
Change Mode to 'Automated 2 pass"
Set Bitrate to 1500 for now.

Encoding Speed-capture1.jpg

In the FRAME TYPE Tab:

Change Ref. frames to 5
And set your Adaptive B-Frames to, 2 Optimal, and Strict for the B-Pyramid.
Encoding Speed-capture2.jpg

Next, in the ANALASYS Tab:

Change MV Prediction to 'Auto"
Trellis = Always

And I would recommend checking 'No Fast Pskip" (It help reduce blockiness on solid colrs such as a sky)
Encoding Speed-capture3.jpg

And lastsly, on the MISC tab:

This is the biggest single setting, to gain a boost in total encoding time.
Uncheck Slow First Pass.

Encoding Speed-capture4.jpg

You really should change the settings in the MAIN tab and also the MISC tab I recommended.
this will speed things up.

The rest of the settings I am suggesting will help improve quality a little bit, at a slight impact to encoding time. Although it shouldn't be that much.
If you do not want to try these at this point, at least uncheck 'slow first pass" and make the changes on the main tab.

There are, many options that can be tweaked to get even better quality encodes, at the cost of some encoding time.
However, this should be fairly quick, with good results.
Also, trying to change threads setting on this Tab will not speed anuything up, but may actually make it slower.
I would recommend just leaving it @ 0 (Auto)

Remember, if you change these settings, you need to completely clear all items in Queue, Then re-Queue the job so the new settings will take effect.
No need to re-make the AVIsynth script, unless you just want to.

Also, running another encoder along side MeGUI will slow it down. The x264 encoder will use all available power it can.
Normal Priority is what it usually runs at I believe. It may have lowered itself due to other process using alot of CPU time.

My System SpecsSystem Spec
16 Jan 2011   #58

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE

Okay, but my first impression of it is somewhat discouraging, therefore I'm going to put MeGUI on the back burner, and tinker with it later, because all that it has done so far is to cost time. Even though I consider WinX DVD Ripper to be slow, after using DVDFab, in contrast to what I have seen so far, it is a real speed demon. It normally runs at between 75-90FPS, and somehow, I can't see MeGUI even approaching that. Considering the extra steps and complexity of MeGUI, I can't see it's advantage.
My System SpecsSystem Spec
17 Jan 2011   #59

Windows 7 Home Premium 64bit

It is rather complex, especially at first. But it does have its advantages in the long run.
IMHO, the end product just looks better than most.

It does take a bit to learn and get used to, but once you start learning it, its not as overwhelming as it first appears.

As far as speed goes, I understand wanting it to encode faster.
That 1 setting, 'Slow First Pass" will certainly slow thing down alot, and not really worth the trade off. So by disbaling it, it will speed up.

IMO, when it comes to Video Encoding, faster is not always better though. The faster it goes through the process the less accurate the results will be.

Still, too slow without noticeable results isn't good either

In the end, everyone has thier own preference on what they think is best.
If you ever decide to go back to this, and want some help, I'll be glad to help you out.
My System SpecsSystem Spec
17 Jan 2011   #60

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE

If I were in the position of taking my time with each DVD, then I might agree with you. But since I'm in the process of encoding several hundred DVDs at one time, I want to get the job done. Afterward, if some of the movies are not up to snuff, then I might go back and spend more time on each of them. I have not checked the output on each and every encode, but I know that many, if not most of them have the same quality as if being viewed directly from the DVD...some are not so good, but then what was on the DVD wasn't necessarily so good either, since many of my movies are of old classics.

Even if I did decide to redo a movie, I doubt that I would have the patience to use MeGUI, unless the performance was considerably better than what it was with this attempt, but either way, I appreciate your help, it has been a learning experience.

EDIT: There is one more thing I would like to ask...previously, you mentioned using a bitrate calculator. I did a little Googling, and what I found were online calculators, which is okay, except that it was not clear as to how to use them. The reason that I'm interested is because of the fact that not only you suggested using 1500Kbps for video, but WinX DVD uses that by default also, yet DVDFab either uses a rate determined by the DVD, or calculates it for itself, and is always less than that number, yet I seem to get better results with DVDFab. Can you elaborate on this?
My System SpecsSystem Spec

 Encoding Speed

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