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  #61  
10-06-2002, 08:18 AM
cybernut cybernut is offline
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Hi Kwag

I've been playing around with this prediction method. I changed the .avs file for 20 samples and found it didn't stop automatically and thus put in the last frame sample several times. This made my output file bigger than it should be by the time I aborted the encoding. Am I doing something wrong or is this a "feature"

Is there someway to automatically stop Tmpgenc? or do you just press abort when everything finishes?

Cheers

Clive
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  #62  
10-06-2002, 08:35 AM
Ozzi Ozzi is offline
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Hello kwag,

Just a quick note:
The script on the vcdhelp forum is for standard svcd not kvcd.
I have not published a kvcd script that incorporates my latest findings.
My original kvcd script, like yours, is broken.
Your script introduces an error that can be easily eliminated. The one-second snapshot that you recommend will only be accurate using a couple of the kvcd templates.
I have asked you if you were interested in testing my findings and had no
reply, so I can only assume your not.
I hope that for the benefit of all forum users that you open your mind and stop rejecting new ideas before fully investigating them.

Thank you,
Ozzie.
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  #63  
10-06-2002, 09:40 AM
kwag kwag is offline
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Quote:
Originally Posted by Ozzi
Hello kwag,

Just a quick note:
The script on the vcdhelp forum is for standard svcd not kvcd.
I have not published a kvcd script that incorporates my latest findings.
My original kvcd script, like yours, is broken.
Your script introduces an error that can be easily eliminated. The one-second snapshot that you recommend will only be accurate using a couple of the kvcd templates.
I have asked you if you were interested in testing my findings and had no
reply, so I can only assume your not.
I hope that for the benefit of all forum users that you open your mind and stop rejecting new ideas before fully investigating them.

Thank you,
Ozzie.
Again Ozzie, NO
I never rejected your formula. I just tried it over and over again, and the file size prediction was always more that 5% from the final size. It doesn'm matter if it's NTSC or PAL. The principles still apply the same.
The formula I applied has been tested not only on KVCD's, but on VCD, SVCD, CVD, SKVCD and KDVD. It's not a "template" oriented formula. It's an mpeg oriented formula. I does work with every TMPGEnc template. Standard or non standard, unless of course you create a huge 80+ frame GOP, then of course it will start to fail. I am aware that not all video material will fall in that 1%, because every material is different. But then again, what is so wrong with a +- 1% error formula
As I said before. I am not rejecting any ideas. But the formula and method you presented, is off by more that 4% from the one I'm currently using.

Regards,
-kwag
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  #64  
10-09-2002, 09:14 PM
mickeymouse mickeymouse is offline
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Hey all,

I'm really green when it comes to much of this stuff as I am only about a week into learning this. This forum has been a great help in my quest. Just a newbie question.....I've been following this thread on VBR size prediction, downloaded HeadAC3he and followed your instructions...however I don't see anywhere to change the output bitrate for determining audio file size. Am I just a moron and not seeing it (or just don't know what I'm looking for) or was this option available in an older version and not in the new (I've got ver 0.23)

Thanks for the help,
Greg!
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  #65  
10-09-2002, 09:32 PM
mickeymouse mickeymouse is offline
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After further searching this forum about demuxing......I found the answer to my own question.....GEEEZZZEEE I love this place!!
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  #66  
10-10-2002, 04:56 AM
Rig R. Mortis Rig R. Mortis is offline
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Quote:
Convolution3d (1,0,0,7,7,3,0)
Kwaq,
Excuse my ignorance but what does the above mean?
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  #67  
10-10-2002, 06:59 AM
GFR GFR is offline
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Quote:
Originally Posted by cybernut
Hi Kwag

I've been playing around with this prediction method. I changed the .avs file for 20 samples and found it didn't stop automatically and thus put in the last frame sample several times. This made my output file bigger than it should be by the time I aborted the encoding. Am I doing something wrong or is this a "feature"

Is there someway to automatically stop Tmpgenc? or do you just press abort when everything finishes?

Cheers

Clive
The same hapenned with me.

I got around it this way:

1) In TMPGEnc open the "source Range" dialog
2) Reset it to default (start=0, end=-1)
3) Click on the go to the end button
4) Click the Set end button
5) Close the Dialog with OK

Now TMPGEnc knows the real length of your input clip.

While I'm typing it ocurred to me that perhaps includind a "Trim" instruction after the predict size script may work too (and it would be easier) - I'm gonna try this.
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  #68  
10-10-2002, 08:25 AM
kwag kwag is offline
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Quote:
Originally Posted by Rig R. Mortis
Quote:
Convolution3d (1,0,0,7,7,3,0)
Kwaq,
Excuse my ignorance but what does the above mean?
Go here: http://hellninjacommando.com/con3d/
It's all explained in the document there.

-kwag
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  #69  
10-18-2002, 06:02 PM
az_bont az_bont is offline
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Could somebody help me get my head around this formula? I could get it if you could show me an example. I'm trying out the film Austin Powers. Here's the film's information:

Length: 91min (5460secs)
Framerate: 25fps
Test Clip 1sec @ 161KB

Could someone insert the numbers into the formula for me to see how it works? Any help would be greatly appreciated.

P.S. - Great templates kwag! I've been using them for a while - I started using them way back when you posted one on VCDHelp over a year ago (the ones with clips from some airoplane movie where some guy spills his coffee over himself).
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  #70  
03-11-2003, 03:15 PM
kwag kwag is offline
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Quote:
Originally Posted by JoZ
Hi kwag,
Quick and maybe so stupid but if you can make it clear... I'll appreciate
it so much.

1) About the "Final MPEG size". When you type "Total frames" that means
total movie frames. Is that right?
Yes
Quote:
After that there is a difference between
total frames in MovieStacker and FitCD. In my case the difference is about
12 frames. Is it a big deal or I just can ignore it?
I recall in a thread that SansGrip pointed out that there was an error in FitCD's method of determining the total frames. Probably muaddib fixed this in MovieStacker
Quote:

2) With "framerate" in the same "Final MPEG size" formula do you mean
framerate before encoding the sample or framerate of encoded sample?
Not sure if I follow you here, but you encode at the same frame rate as your source.
Quote:

3) And again MPEG sample in MB there is a small difference if we are
looking "status bar" or "size" in column size (let say in windows explorer).
Which one?
In Windows explorer, the file sizes are reported in KiloBytes.
Quote:

All the questions above are maybe a freshman ones but I really didn't
find an answer so I would like to know if it's possible.
But this is all very old stuff . You can forget about this prediction method, and simply use MovieStacker, which will create a .avs script with "Sampler" DLL which takes care of all of this for you

-kwag
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  #71  
03-11-2003, 03:19 PM
JoZ JoZ is offline
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Thank you sir!

I deleted my own post by accident! Sorry about that.

Quote:
Originally Posted by kwag
But this is all very old stuff . You can forget about this prediction method, and simply use MovieStacker, which will create a .avs script with "Sampler" DLL which takes care of all of this for you

-kwag
Sure but I was using it with "Sampler DLL" in my .avs script and file size
was way too big. When I recalculated it using prediction method the
difference is:

1) With sampler dll: about 650mb but for real it was over 1gb
2) With prediction method: 671.38mb for real 668mb
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  #72  
03-11-2003, 04:49 PM
kwag kwag is offline
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Quote:
Originally Posted by JoZ

1) With sampler dll: about 650mb but for real it was over 1gb
2) With prediction method: 671.38mb for real 668mb
Did you always get the same consistent results using the manual method
Maybe there are still a couple of hickups in sampler

-kwag
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  #73  
03-11-2003, 04:58 PM
JoZ JoZ is offline
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I found what I was doing wrong. The calculation. I was working with
29.97 fps which is the framerate for my movie from the dvd, but I should
use 23.976 fps which is the framerate after encoding with tmpgenc.

If you are converting from PAL it's pretty easy. Always 25 fps, but NTSC
grrrr I didn't think, that's why.

So the formula is:

PAL = total frames / 100 / 25 * MPEG Sample * .98
NTSC = total frames / 100 / 23.976 * MPEG Sample * .98

Note: For NTSC doesn't matter what is the input framerate NTSC or NTSC Film.

Still small difference between using sampler.dll (671.38mb) and prediction
method (645.27mb) but as you wrote in the manual 50mb shouldn't
matter that much.

Btw I was so stressed out yesterday night when I reloaded the page and
I've got the new one. I've got almost a heart attack I was thinking
that I'm spending too much time in front of the computer because I didn't
believe what I see. After that I found that this is the new look (too much
"I"s in those sentences above).

Very good job with the new design. Thank you a lot for the time you spent
to answer me.
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  #74  
03-11-2003, 05:21 PM
kwag kwag is offline
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Thanks JoZ

-kwag
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