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Quality

This stage has the potential to add many hours to your DVD ripping project. But if you complete it, your video file(s) will fit perfectly on just the right number of CDs. The video will also be of nearly optimal quality.

If you skip this stage the video will still look fine, but it may be under compressed or over compressed. You won't know if you're using too many CDs, or too few. The file(s) will also be undersized by a few megabytes.

Completing this stage is recommended. If you wish to skip it, however, click here.

Go to the Start menu and open (VirtualDubMod icon) VirtualDubMod.

Click "OK" if there is a warning.

From the "File" menu, select "Open video file... Ctrl-O".

Navigate to the ripping folder and open (.avs icon) script.avs.

Would you like to know more?AVS script errors
If you get an error at this point, make absolutely sure the script is correct and the .avsi/.dll files are all where they should be. Check the Software stage to see if you forgot anything.

If you get the error "unable to load masktools.dll" and you're sure it's in the proper folder, you may be experiencing an Intel Pentium bug. To fix it, turn off hyperthreading.

If you get an error regarding HybridFuPP, you may need to upgrade to the latest version of AviSynth. Such an error may be an indication that you did not uninstall an old version of the Gordian Knot Rip Pack before installing the new one in the Software stage.

If VirtualDubMod immediately crashes, it's probably because your script.avs file contains left and right cropping values that aren't multiples of 4. Go back to the Script stage and adjust those values.

Drag the slider to different locations within the end credits. If they are plain text-only credits, open (.txt icon) video notes.txt and type in the line credits begin:________. Fill in the blank with the frame number where the credits begin.

If the credits are anything more complicated than regular scrolling text on a plain background, don't bother to make a note. If you are encoding a series of episodes, don't bother to make a note.

Would you like to know more?Isolating the credits
Use the right and left arrow keys on your keyboard for frame-by-frame advance. Hold down the Alt key and press the arrow keys to advance 50 frames at a time. Find the frame where the screen goes black just before the credits first appear.

Editing with VirtualDubMod
Using the slider and the "mark out" buttons you can select a small section to be encoded. This is very useful if you want to test your script/settings without encoding the whole movie.

You could use this function to cut out opening or closing credits, but then the audio/chapters/subtitles would be longer than the video. You would need to painstakingly edit them until they fit in the muxed file and were synchronous with the video.

IMPORTANT: At this point you must make sure the picture looks good.

Drag the slider to different locations in order to check the picture for brightness, saturation, and black borders. If it is too bright, edit (.avs icon) script.avs to decrease the YlevelsS brightness value. (The default is 1.2.) If the picture is not bright enough, increase that value.

If the picture looks washed-out, increase the Tweak saturation level. (The default value is 1.2.) If the picture is too colorful, with lots of loud reds/greens/blues, decrease the saturation.

If any black borders are visible, go back to the Script stage and increase the relevant cropping values. (Check the right side of the image carefully--Gordian Knot sometimes leaves a border there that is not apparent during the Script stage.) If the picture is squashed or stretched, that's fine--as long as you carefully followed the directions in the Script stage.

Always save (.avs icon) script.avs and re-open it in (VirtualDubMod icon) VirtualDubMod after editing, so you can see how your changes have affected the picture. When it looks good, continue below.

From the "Video" menu, select "Compression... Ctrl-P".

In the video compression menu, select "Xvid MPEG-4 Codec".

Click the "Configure" button.

Would you like to know more?Multiple XviD options
If you have more than one XviD option on this screen, or if you have one XviD option but it does not look the same as the one in the picture, you must uninstall all old versions of XviD and install only the very newest version. If any of the upcoming screenshots look differently, yours may be out of date. The newest version is always at Koepi's site. Look for the "Latest stable binary". Click now to visit Koepi's XviD page.

Click the "Load Defaults" button.

From the "Encoding type" menu, select "Twopass - 1st pass".

Click the "more..." button next to the "Encoding type" menu.

IMPORTANT: Uncheck the "Discard first pass" box.

Click the "OK" button.

Would you like to know more?Twopass
Two-pass encoding allows for much higher quality video. During the first pass, statistical data is collected about the movie and stored in the video.pass file. This data is used to more optimally compress the file during the second pass. Two-pass encoding is always recommended where quality is a concern.

First pass
Usually the first pass doesn't generate an actual video file, but by allowing a first pass file to be created we can measure how much the entire movie will be compressed. The first pass video file will also be used to calculate the overhead. Keeping the first pass file does not increase encoding time.

Click the "more..." button next to the "Profile @ Level" menu.

If you are using 1 CD or encoding a series of episodes, skip past the white section.

Would you like to know more?Alternate matrices
The white section shows you how to load custom quantization matrices. If you want to use a matrix other than the default H.263 matrix for 1CD, try HVS Good Picture.cqm. It cuts down on macroblocking during scenes with billowing clouds, smoke, and slow fades. Still images may not look as good as H.263, though.

From the "Quantization type" menu, select "MPEG-Custom".

Click the "Edit Matrix..." button.

Click the "Load matrix..." button.

Navigate to C:\Program Files\GordianKnot\qmatrix.

If you are using 2 CDs, select (file icon) HVS Best Picture.cqm.

If you are using 3 CDs, select (file icon) Didees SixOfNine-HVS.cqm.

Click the "OK" button.

Would you like to know more?Quantization Matrices
The quantization matrix is the 8 by 8 matrix of step sizes (sometimes called quantums)--one element for each DCT coefficient. It is usually symmetric. Step sizes will be small in the upper left (low frequencies), and large in the upper right (high frequencies); a step size of 1 is the most precise. The quantizer divides the DCT coefficient by its corresponding quantum, then rounds to the nearest integer. Large quantums drive small coefficients down to zero. The result: many high frequency coefficients become zero, and therefore easier to code.

Click for a more intelligible explanation.

The most compressing of the HVS matrices is hvs-good, and the least compressing is hvs-best. Very few people use hvs-better. If you're trying to squeeze a long movie into a small space, use hvs-good. If you have plenty of space to work with, try hvs-best or Didees SixOfNine-HVS.

Check the "Global Motion Compensation" box.

Uncheck the "Packed bitstream" box.

Click the "OK" button.

Would you like to know more?Quarter Pixel
Normally XviD uses half-pixel motion search precision. This means that it can 'see' movement in a sub-pixel precision; if a MB moves from a width,height-position of 200,300 to 201, 300 in the next two frames, it can detect that movement correctly and can give the MB a motion vector that says "move me half a pixel to the right this frame please" in those next two frames. Motion will be captured correctly and no texture bits get altered. With Qpel you can capture motion that is only a quarter of a pixel per frame, effectively doubling precision.

Because of the increased precision, Qpel significantly increases encoding time, and requires more processing power to decode. Encoding time can be almost doubled and decoding can require as much as 30-60% more processing power. Since a higher quality picture is not always guaranteed, Qpel is optional.

Global Motion Compensation
GMC looks at the whole frame to see if there is an amount of motion that all the parts of the frame have in common. It will then take this amount of motion and put it in a single value. The parts of the frame are the macroblocks, and the amount of motion is called a 'motion vector' which has both a direction and a value. The possible benefit is that you can remove many or all the motion vectors of the macroblocks (or even the blocks themselves if there is no altered texture information) in a frame by a single value, thereby making it much smaller.

Packed bitstream
Packed Bitstream is meant to solve frame-order issues when encoding to container formats like avi that can't cope with out-of-order frames. And while it's meant to solve playback issues that occur without it, lots of people have reported playback issues with it. That goes for playing back with ffdshow, DivX 5 decoder, and several standalone (hardware) players. Unless you know precisely what you're doing, it's best to keep it turned off until further notice.

From the "Quality preset" menu select "(User defined)".

Click the "more..." button next to the "Quality preset" menu.

From the "VHQ Mode" menu, select 4 - Wide Search.

Maximum I-frame interval: 240 if the DVD is telecined NTSC.
Maximum I-frame interval: 250 if the DVD is PAL.
Maximum I-frame interval: 300 if the DVD is regular or interlaced NTSC.

Click the "OK" button.

Would you like to know more?VHQ Mode
VHQ is more intensive search and takes a wider approach. Using higher values will give you better quality at the cost of encoding speed.

Maximum I-frame interval
This setting tells the codec to insert a Keyframe (I-frame) every {value} frames. If a Keyframe is needed before that number is reached, the codec starts counting again. So while you can have Keyframes with lower intervals than the number you defined, you can't have higher intervals. Standard recommended settings are 10x the framerate, i.e. 250 for 25 fps PAL clips, 300 for 29.979 NTSC clips etc. When in doubt, use 300.

Turbo
This setting skips some search techniques when using Qpel or B-frames. Without those options on it has no effect at all. The impact on quality is negligible. If you have a slow PC, it may help.

If the end credits were composed of simple text on a plain background, follow the instructions in the gray section.

If the end credits were more complicated, or if you are encoding a series of episodes rather than a feature length movie, ignore the gray section.

Click the "Add" button.

Highlight the newly created zone and click the "Zone Options" button.

Copy the "credits begin" frame number from (.txt icon) video notes.txt and paste it in:

the "Start frame #:" field.

Select  the "Quantizer" radio button   and enter a value of  20.

Click the "OK" button.

Would you like to know more?Zones
Defining zones and setting their Quantizer values allows for different areas of the movie to be encoded with different compression parameters. Since credits are long and don't contain much detail, they can afford to be encoded with fewer bits. This saves space for higher quality video during the rest of the movie.

You can also set a zone to have more bits. For instance, you might want to set the Weight option to 1.30 for a particularly hard-to-compress scene. The H.263 quantizer has a hard time dealing with images of billowing smoke and/or clouds, so sometimes you will see blocky compression artifacts on these scenes. If you define a zone with a Weight of 1.30, it will likely fix the macroblocking problem. At the beginning of the next scene, set another zone with a Weight of 1.00 (the default) to return to normally weighted encoding. The Weight option may not work correctly, so try it at your own risk.

Cartoon Mode
Cartoon Mode is best for sources like The Simpsons, with its bold lines and large patches of plain color. It is not recommended for animated sources that are highly detailed and visually "busy" like some anime films, or for CGI sources like Finding Nemo.

Click the "OK" button on the configuration screen.
Click the "OK" button on the compression screen.

Go to the "File" menu and select "Save As... F7".

Check the "Don't run this job now; add it to job control so I can run it in batch mode." box

Navigate to the ripping folder, and name the file firstpass.avi.

Click the "Save" button.

From the "File" menu select "Job Control".

Click the "Start" button.

VirtualDubMod will now begin encoding. It will also create a (file icon) video.pass file in the root directory. Do not delete this file!

Encoding the first pass file can take up to 8 hours for a feature length movie, depending on the speed of your CPU and the playing time of the video.

Would you like to know more?CPU usage priority
If you would like to change the priority of the encoding process so that it doesn't slow down your computer while you're trying to do other things, go to the "Options" menu and select "Show status window". Then select a lower processing thread priority.

Excessive encoding time
If the VirtualDubMod status window shows a projected encoding time of more than 10 hours for a feature length movie, it might be due to a bug in HybridFuPP. Try the other script and see if there's a difference.

If doing so significantly decreases the projected encoding time, either stick with the other script or go back to the Script stage and change the resolution slightly. HybridFuPP is still in the beta stage, and has had problems with certain resolutions before.

When VirtualDubMod finishes, click the "OK" button on the Job Control screen.

Open (.avi icon) firstpass.avi with (VLC Media Player icon) VLC Media Player.

Make sure there are no black borders or visual glitches (If the DVD was anamorphic the video will be distorted, but that is ok.) You can select "Save Image" in Media Player Classic and examine the image to check for borders.

IMPORTANT: If there are any problems, you must fix them and re-encode the first pass before continuing.

If you would like to determine the compressibility of the video file in order to optimize visual quality, follow the instructions in the purple sections.

If you want to risk sacrificing quality in order to save time, or if the purple sections look too complicated, you can scroll past them.

Would you like to know more?Compression Testing
This guide indicates the use of 1 CD for short movies and 2 CDs for long movies, which is a good rule of thumb. However, length alone cannot indicate compressibility. And compressibility is what should ideally determine file size and picture resolution. The purple sections below will show you how to measure the space-to-size ratio of the first pass file so you can see if your current settings are compressing too much or too little.

If you skip compression testing, you can still perform the overhead calculation. The net effect of this stage will then become that you have configured the encoder, set your muxing options, and calculated the overhead.

Fill in the relevant cells in this spreadsheet, or manually perform the following calculations based on the number of CDs being used:

USABLE CD SPACE

1/4 CD............................179200 KB
or
1/3 CD............................238933 KB
or
1/2 CD............................358400 KB
or
1 CD..............................716800 KB
or
2 CDs............................1433600 KB
or
3 CDs............................2150400 KB
minus
main.ogg..........................123906 KB
minus
commentary.ogg.....................61742 KB
equals
usable CD space..................1247952 KB

If there are other audio files, subtract them as well.

COMPRESSION RATIO

usable CD space..................1247952 KB
divided by
firstpass.avi....................1617218 KB
equals
compression ratio......................0.77

Now, rename (.avi icon) firstpass.avi so that the compression ratio and number of CDs appear in the file name: firstpass_0.77_2CDs.avi, for example. This will allow you to easily identify it and prevent it from being overwritten if additional first pass files are created.

If you are encoding a series of episodes, rename the file to include the compression ratio along with the CD fraction: firstpass_0.41_.25CDs.avi, for example.

If the compression ratio is lower than 0.25 and you are encoding a feature length movie, increase the number of CDs you are using by one. Then begin again at the Audio stage. (Unless this takes your total to 3 CDs, in which case you should begin at the Script stage instead.) If you are encoding a series of episodes, move to a larger CD fraction and begin again at the Script stage.

If the compression ratio is 0.25 to 0.49, go back to the Audio stage and re-encode the main audio at a lower quality setting. (Don't go lower than 0.100, though.) When you get to the Script stage, follow the normal instructions for aligning the resolution slider--then move it three or four additional spaces to the left.

If the compression ratio is 0.50 to 0.90, change the name of the file back to (.avi icon) firstpass.avi and continue below. The final file should look fine. (If it does not, you can come back to this stage later and follow the directions in the previous paragraph to increase the ratio.)

If the compression ratio is above 0.90 and you are encoding a feature length movie, it is safe to remove a CD and begin again at the Audio stage--unless you don't mind using more CDs than is really necessary. If you are encoding a series of episodes, move to a smaller CD fraction and begin again at the Script stage.

If the compression ratio is above 0.90 and you're already using only 1 CD for a feature length movie, you are free to use higher quality audio and/or a larger picture. Begin again at the Audio stage if you would like to do so. Only this time increase the audio quality by a few half-steps. In the Script stage, follow the normal instructions for aligning the resolution slider--then move it three or four additional spaces to the right.

Would you like to know more?Determining what to adjust
You can decide whether to adjust the audio, video, or both (as well as the degree of adjustment) based on the nature of the movie, and your own personal preferences.

For instance, audio quality in a movie like My Dinner with Andre can safely be decreased more severely than in a movie like The Matrix, since the first is mostly speech and the second has music and explosions. Audio quality in a musical is probably more important than video quality. Video resolution (i.e., picture size) can probably be decreased more severely in a movie like The Toxic Avenger than in Amélie.

Other adjustments
In addition to the audio quality and video resolution, there are other adjustments you can try. Increasing consecutive b-frames to 3 and switching to a more compressing matrix such as hvs-good will result in a smaller first pass file. You can also use HybridFuPP with a lower quality preset. If you want a larger first pass file, switch to a less compressing matrix such as hvs-best, or in some extreme cases, HVS SixOfNine.

If you are encoding a series of episodes, follow the instructions in the brown sections.

If you are encoding a feature length movie, ignore the brown sections.

From the "File" menu, select "Open video file... Ctrl-O"

Navigate to the ripping folder for the second episode and open (.avs icon) script.avs.

From the "Video" menu, select "Compression... Ctrl-P".

Click the "Configure" button.

Click the "more..." button next to the "Encoding type" menu.

Rename video.pass to correspond to the episode number:

Stats filename: "s01e02.pass"

Click the "OK" button on the 1st Pass screen.
Click the "OK" button on the configuration screen.
Click the "OK" button on the compression screen.

From the "File" menu select "Save As... F7".

Navigate to the ripping folder for the second episode, and name the file firstpass.avi.

Click the "Save" button.

Repeat these steps for the third episode, the fourth, etc., until each one has been added to the queue. Always be sure to save to the correct folder.

When you have added all the episodes,

go to the "File" menu and select "Job Control".

Would you like to know more?Checking the jobs
Before encoding, the job control screen will show a series of "script.avs" files waiting to be turned into "firstpass.avi" files, with no additional information. If you want to make sure you added all the jobs and used the right folders, you can create a more detailed job list and examine it. Just go to the "File" menu and select "Save job list...", then open the resulting .jobs file in Notepad. It probably isn't a good idea to edit and load this file if it turns out you made a mistake, however. Just delete and re-add the job(s) in question.

Click the "Start" button to begin encoding.

Encoding all the episodes will take up to 8 hours, depending on the speed of your CPU. Do not delete any of the (file icon) s__e__.pass files that will be created in the root directory!

During the third part we will mux the first pass video file(s) with the audio and other files.

Due to the nature of the Matroska container, this is the only reliable way to determine how much overhead will be introduced.

Even though this is a preliminary muxing, it should be done with all the same files and options as the final muxing, or the overhead calculation may be off. The settings file generated at the end of this stage will also be used for the final muxing, so you won't have to do this twice.

Would you like to know more?Overhead
Knowing the overhead allows for precise size control, which is important if you plan on sharing the file. An improperly sized file is the easiest way to spot a shoddy DVD rip. If the person doing the ripping couldn't be bothered to get the size right, he or she probably made other mistakes as well.

Go to the Start menu and open (mkvmerge GUI icon) mkvmerge GUI.

Click the "add" button.

Navigate to the ripping folder and select (.avi icon) firstpass.avi.

Click on firstpass.avi in the Tracks section to highlight it.

Specify the aspect ratio  if necessary.

Open (.txt icon) video notes.txt and look at the "aspect ratio" line.

If it is 16:9, select "16/9"

If it is 2.35:1, select "2.35"

If there is no "aspect ratio" line, leave the field blank.

Click the "add" button.

Add (file icon) main.ogg.

Click on main.ogg in the Tracks section to highlight it.

Select the proper language: the timeless language of Esperanto.

Name the track "Main Audio".

If there will be additional audio tracks, check the "Make default track" box .

Would you like to know more?Adding a delay
If you didn't enter the correct delay value in BeSweet during the Audio stage, you can correct it here. Just enter a value into the "Delay (in ms):" field. The same goes for any additional audio or subtitle tracks.

If you have a (file icon) commentary.ogg file, click the "add" button and select it.

Click on commentary.ogg in the Tracks section to highlight it.

Select the proper language: the mellifluous language of Klingon.

Name the track "Director's Commentary" or something similarly descriptive.

Add any additional audio tracks in the same manner, selecting them in the order of importance.

If you have a (notepad file icon) subtitles.srt file, click the "add" button and select it.

Click on subtitles.srt in the Tracks section to highlight it.

Select the proper language: the intricate language of Pig Latin.

Name the track "English Subtitles" or something similarly descriptive.

If there will be additional subtitle streams, check the "Make default track" box.

Add any additional subtitle streams in order of importance.

Would you like to know more?VobSub subtitles
If you're using raw subtitle images ripped with VobSub, select the .idx file here instead. Select the same options above. It may also be necessary to enter a "Delay" or "Stretch by:" value, depending on what happens when you review the file.

Non-default subtitles
If your movie has subtitles or closed captions which you do not want to have displayed automatically during playback--for instance, if the audio is in English and you're including Spanish subtitles--you should insert a dummy subtitle file ahead of the real one(s). (Many decoders will automatically play the first subtitle track in a Matroska file unless the user has specifically configured it not to. Including an invisible subtitle track as the main one is more convenient for the user, who will then only see subtitles if he or she specifically selects them.)

Right-click and select "save as" now for a dummy subtitles file. Add it into mkvmerge just before the real subtitles in the "Tracks" field. In mkvmerge, name it "Subtitles Off" and check the "Make default track" box.

From the "Chapter Editor" menu, select "Load".

Load (.txt icon) VTS_01 - Chapter Information - OGG.txt.

Click the name of the first chapter to highlight it.

If it has no name or is incorrect, type in the correct name:

The name of the example chapter is "Opening Credits: Amélie's Childhood".

Then click on the next chapter, and repeat until all names are entered. If you don't know the chapter names, you may be able to find them at All Movie Guide or Barnes & Noble.

If you are encoding a series of episodes and they don't have chapters, (or if they only have one chapter each) don't worry about following any of the instructions regarding chapters.

Check the final chapter to make sure it begins at the right time. If it does not, the timecodes must be adjusted.

In this example the last two chapters begin past the end of the movie, which is only 02:01:51 long. This can happen when the DVD has one or more "invisible" chapters.

The example also shows 18 chapters when the movie only has 17.

Delete the extra chapter by highlighting it and clicking the "Remove Chapter" button.

To find the invisible chapter(s), you must watch the DVD with the timer on and look for time skips between chapters.

It so happens that the DVD in the example has an invisible chapter between chapters 7 and 8, where the timer skips forward by 00:07:44.

To fix this, highlight the chapter right after the invisible chapter and click the "Adjust timecodes" button.

Then subtract the length of the invisible chapter and click the "OK" button.

Repeat this process for each subsequent chapter until the last one seems correct.

Go to the "Chapter Editor" menu and select "Save".

Name the file chapters.xml.

Go to the "Global" tab.

Enter the name of the movie.

The title of the movie in the example is "Amélie".

If you are encoding a series of episodes, use the format
<series name> - s__e__ - <episode name>,
where the first blank is the season number and the second blank is the episode number.

The title in the example is "Mr. Show - s01e01 - The Cry of a Hungry Baby".

Click the "Browse" button in the Chapters section.

Open (.xml icon) chapters.xml.

Select the proper language: Khoisan clucking language.

Would you like to know more?Importing the chapters
Remember, having chapters open on the Chapter Editor screen does not mean they'll be included in the movie! You must save the chapters to an .xml file and then import that file.

If you are encoding a series of episodes, scroll down to the brown section.

If you are encoding a feature length movie, continue.

From the "File" menu, select "Save settings Ctrl-S".

Save the settings as muxing.mmg.

When you are ready, click the "Start muxing" button.

Muxing will take anywhere from 5 to 15 minutes.

Skip past the brown sections.

Click the "Copy to clipboard" button.

Create a new (.txt icon) text file in the ripping folder.

Open the text file and press Ctrl+v to paste in the command line.

Would you like to know more?The muxing batch file
You may be tempted at this point to add all the rest of the lines and edit them manually. However, this will result in improperly muxed Matroska files. Mkvmerge needs to analyze the audio and other non-video tracks in order to generate certain codes for each one in the command line.

From the "File" menu, select "New Ctrl-N". This will clear all the fields.

Go to the "Input" tab.

Add the files for the second episode, then copy the command line into the text file.

Repeat for each subsequent episode. (Click here to go back to the beginning of the muxing instructions.)

Once a line has been added for every episode, save the text file and rename it (.bat icon) muxing.bat.

Double-click (.bat icon) muxing.bat to mux all the firstpass files. Muxing will take about 5 to 15 minutes.

You will need this file later, so don't delete it.

Once muxing is complete, the ripping folder(s) will contain a file named (file icon) firstpass.mkv. Open it with (VLC Media Player icon) VLC Media Player and check the video, audio, chapters, and subtitles for quality and sync. (If you have any problems with playback, please see the Viewing stage for help.)

Any problems should be fixed now and the files re-muxed before the overhead is calculated.

When everything is in order, fill in the relevant cells in this spreadsheet, (it's the same one from the purple sections) or manually perform the following two calculations:

OVERHEAD

firstpass.mkv....................1801121 KB
minus
firstpass.avi....................1617218 KB
minus
main.ogg..........................123906 KB
minus
commentary.ogg.....................61742 KB
equals
overhead...........................-1745 KB

If there are other audio files, subtract them as well. (This applies to both calculations.)

VIDEO SIZE

1/4 CD size.......................179392 KB
or
1/3 CD size.......................239189 KB
or
1/2 CD size.......................358784 KB
or
1 CD size.........................717568 KB
or
2 CD size........................1435136 KB
or
3 CD size........................2152704 KB
minus
main.ogg..........................123906 KB
minus
commentary.ogg.....................61742 KB
minus
overhead...........................-1745 KB
equals
video size.......................1251233 KB

The numbers above have been adjusted to size your file(s) at about 700 to 701 MB per CD.

Open (.txt icon) video notes.txt.

Replace the old video size value with the new one, (1251233 in the example) then save the file.

If you're encoding a series of episodes, perform the overhead calculation for each one, or use the spreadsheet. Make a note of each episode's video size in (.txt icon) video notes.txt and save it.

The example ripping folder now contains files named "chapters.xml", "firstpass.avi", firstpass.mkv", and "muxing.mmg".

Close VirtualDubMod and mvkmerge GUI and proceed to the next stage.

PREVIOUS: Finding the AVS Script Parameters NEXT: Encoding the Video.
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