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Old 8 Nov 2002, 03:47 PM   #1
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Default Movie Size

i have a problem when i encode my movies with gordian knot. they never come out to 1400 megs like i need them to, they always come out smaller like 1200 or even 964 i figured they just reached there maximum quality so i raise the audio bitrate to like 256 and then encoded it over again and it came out even smaller. is there same audio bitrate that you use all the time or what resolution do you use. any ideas would be very helpful
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Old 8 Nov 2002, 04:21 PM   #2
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Default Re: Movie Size

Quote:
Originally posted by audi
i have a problem when i encode my movies with gordian knot. they never come out to 1400 megs like i need them to, they always come out smaller like 1200 or even 964 i figured they just reached there maximum quality
That is most probably the case.

Quote:
Originally posted by audi

so i raise the audio bitrate to like 256 and then encoded it over again and it came out even smaller.
OK, that is obviously not supposed to happen. Exactly what filesizes are we talking about here ?.Did you the 'Re-calculate bitrate if needed' option ?, did you keep all other settings exactly the same ?. especially the resizeing method can impact the filesize quite a bit.

Quote:
Originally posted by audi

what resolution do you use. any ideas would be very helpful
I usually use a resolution between 704*x and 640*x. Usually I aim for a bits per pixel value of 0.20.
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Old 9 Nov 2002, 12:11 AM   #3
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yes i use recalculate bit rate if needed , what resizeing method are you talking about ?
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Old 9 Nov 2002, 12:27 AM   #4
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for instance i just finished encoding a movie ment for 2 cds 1200brate for the video and 192 for the audio and i have seen several guides and follow every thing they have done, i used 640* and it was .19. there is nothing left to do . Have Any Idea ?
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Old 9 Nov 2002, 06:25 AM   #5
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Quote:
Originally posted by audi
yes i use recalculate bit rate if needed , what resizeing method are you talking about ?
See attactment
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Movie Size-resizeing.jpg  
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Old 9 Nov 2002, 06:30 AM   #6
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Quote:
Originally posted by audi
for instance i just finished encoding a movie ment for 2 cds 1200brate for the video and 192 for the audio and i have seen several guides and follow every thing they have done, i used 640* and it was .19. there is nothing left to do . Have Any Idea ?
Not really, unless there are any obvious quality problems there is not much point spending any time on it. But if you feel like going the extra mile, I have script that will check the quality of a divx5 encoding. Which is posted in this thread.

http://forum.digital-digest.com/show...&threadid=9446
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Old 9 Nov 2002, 12:01 PM   #7
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Default Resize filter

what is the best resize filter cause i have seen guides that say sharp is the best and also that neutral is the best and now in the above post he is using soft. what is the difference and which is best to use and for what (1 cd or 2 cds).
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Old 9 Nov 2002, 12:25 PM   #8
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Sharp bicubic will produce the best image quality, before compression.

Unfortunatly the image needs to be compressed, and images resized with sharp bicubic is harder to compress. Which means that the codec has to use a lower quality setting to reach the same filesize.

But With Divx5 I would always recommend using Sharp bicubic. And especially in your case, where you are already encoding at maximum quality.
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Old 9 Nov 2002, 04:36 PM   #9
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Default im out

ok im out of ideas here, i just ripped vanilla sky, wanted it to be 2 cds made the audio 192kbit and the video came out to be 1055 kbits compression was .24 and 70% and for the resizing filter i used sharp and it still came out below 1400 megs. is there anything im missing. any help would be great .
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Old 9 Nov 2002, 05:13 PM   #10
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As I explained in the thread I linked to, you can make sure you are at maximum quality, by running a quality based encoding at 100% in virtualdub, or running my script on the analyse.log file.

I have done vanilla sky as a 2 CD rip (1300MB) at 704*400 with 160kbs audio, and that worked out almost perfect..
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Old 11 Nov 2002, 07:27 AM   #11
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Default what to do

ok i got your perl scrip and the perl active stat thing, when i run it it doenst do anything and it doesnt create a new file. what file do i run it on and when was i suppose to create that file
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Old 11 Nov 2002, 07:29 AM   #12
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and which file do you want me to post in this forum
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Old 11 Nov 2002, 07:49 AM   #13
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As I explained in the post that contains the script, the analyse.pl script must be placed in the same folder as the file named analyse.log created by the second pass of the divx5 encoder. If this is the case and the perl interpreter is properly installed, it should be enough to double click the analyse.pl file, this will create a file called second_pass_stats.log.

Alternativly the script can also be executed from a commandline prompt. using a command like

Code:
perl C:\analyse.pl C:\GetCarter\analyse.log
Assuming that analyse.pl is located in C:\ and analyse.log is located in C:\GetCater\.
This will create the file C:\second_pass_stats.log
This should also give you a meaningfull error message if something isn't setup right.
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Old 11 Nov 2002, 08:04 AM   #14
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Default guide

do you have a recommended guide that i could follow cause i think im missing a big step. or maybe can i send you screenshots of my set up because i would really like to get this fixed . ohhh also thnx khp for all your help
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Old 11 Nov 2002, 08:11 AM   #15
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Default Re: guide

Quote:
Originally posted by audi
do you have a recommended guide that i could follow cause i think im missing a big step. or maybe can i send you screenshots of my set up because i would really like to get this fixed . ohhh also thnx khp for all your help
I like doom9's divx5 guide, but UncasMS's guide is also perfectly OK.

You can post your *_GKnot.log file, from one of your suspect encodings. If anything major goes wrong it should be visible in the log file.
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