soompi forums: Hardsubbing Videos - soompi forums

Jump to content

Page 1 of 1

Hardsubbing Videos No compression

#1 User is offline   Aikiraat 

  • Member
  • Pip
  • Group: Members
  • Posts: 240
  • Joined: 12-July 06

Posted 26 September 2006 - 03:24 AM

Right now I've been using a program to hardsub things called VirtualDub Mod. It works fine and well but when it creates t he hardsub it compresses the video and lowers the file size and video quality. I don't want it to do that. Is there a way with VDM not to compress the file and still hardsub or is there another program that can do it just as well without compressing it?
0

#2 User is offline   awdark 

  • Cookie Monster
  • Icon
  • Group: Administrators
  • Posts: 9,591
  • Joined: 04-October 05

Posted 26 September 2006 - 07:34 AM

Well you see, when you hardsub, you basically have to rewrite the whole video. It opens the video, smacks the subtiles on the picture... creates the basic raw video, pushes it into an encoder which compresses the parts back into lets say an Xvid avi. It seems your problem is you have the compression or encoder options set too high. The reason it would compress it is if it were to be a raw AVI, you could be looking at almost a gigabyte per minute....

Unfortunately im not very familiar with virtual dub other than the use of basic commands such as trimming and frame serving.


0

#3 User is offline   Aikiraat 

  • Member
  • Pip
  • Group: Members
  • Posts: 240
  • Joined: 12-July 06

Posted 26 September 2006 - 10:18 AM

Oh ok. So then I guess my question now is how to lower the compression rate so as not to degrade the quality of the video since you said that it has to reencode it. :/

The reason why I don't want it to be compressed is because I want to burn it onto DVD and I don't even really know how to do that yet, let a lone know how to add a subtitle option to the video. If anyone knows how to do that? Maybe enlighten me a little bit?
0

#4 User is offline   awdark 

  • Cookie Monster
  • Icon
  • Group: Administrators
  • Posts: 9,591
  • Joined: 04-October 05

Posted 26 September 2006 - 04:14 PM

ConvertXto dvd is excellent for that purpose.
Will put in the subtitles and all that for you!
0

#5 User is offline   CIRee 

  • Frankly, my dear, I don't give a damn.
  • Icon
  • Group: Friends of Soompi
  • Posts: 1,208
  • Joined: 12-November 05

Posted 28 September 2006 - 01:15 AM

yeah what awdark said but if you still using vdub put the divx or xvid setting to the max, you wont notice the different unless the source is a dvd.
not on soompi as much as I used to be...

Facebook!
0

#6 User is offline   Aikiraat 

  • Member
  • Pip
  • Group: Members
  • Posts: 240
  • Joined: 12-July 06

Posted 28 September 2006 - 04:06 PM

Alright. Thanks awdark and blindboi. Helped a lot smile.gif .
0

#7 User is offline   King of all Cosmos 

  • Member
  • Pip
  • Group: Members
  • Posts: 338
  • Joined: 05-October 05

Posted 28 September 2006 - 04:17 PM

QUOTE(Aikiraat @ Sep 26 2006, 06:24 AM) View Post

Right now I've been using a program to hardsub things called VirtualDub Mod. It works fine and well but when it creates t he hardsub it compresses the video and lowers the file size and video quality. I don't want it to do that. Is there a way with VDM not to compress the file and still hardsub or is there another program that can do it just as well without compressing it?

If you're using xvid to encode, just set it the target quantizer to 1(maximum) in xvid settings if quality matters but size doesnt matter too much. By doing that it will look just as good as the original but maybe several hundred mb bigger. I have mine set to 2.0 under target quantizer which keeps the size and the quality near the same as the orginal. Also to answer your last question you can't hardsub without reencoding the video since as adwark said, you're branding the subtitles into every frame of the video.
IPB Image
0

#8 User is offline   sccy 

  • Member
  • Pip
  • Group: Members
  • Posts: 51
  • Joined: 04-October 05

Posted 28 September 2006 - 07:55 PM

Hi

I used Avi Recomp to do hardsub and have been using it since I started dl dramas and did not face any problems. But now I am facing a problem with one of the episod of a drama, earlier epi was fine.

I have an error which says Avisynth open failure, AviSource : Could not decompress frame 0.

Anyone can help with this problem?

I then try using virtualdub and also did not like the quality of the final result. I choose the size of 700mb but still get only 500+ mb. I will try the above suggestions of using Xvid, earlier I used Divx.

I still would like to use Avi Recomp to do hardsubbing which have a better finish quality. Hope someone out there can help me out.

Thanks.


0

#9 User is offline   DaRkViEt73 

  • Girl groups rule!
  • Icon
  • Group: Friends of Soompi
  • Posts: 1,755
  • Joined: 07-March 06

Posted 28 September 2006 - 08:19 PM

QUOTE(sccy @ Sep 28 2006, 08:55 PM) View Post
I then try using virtualdub and also did not like the quality of the final result. I choose the size of 700mb but still get only 500+ mb. I will try the above suggestions of using Xvid, earlier I used Divx.

That's probably because you're doing 1-pass instead of 2-pass encoding. Only with 2-pass encoding will you get consistently high quality encodes and accurate filesizes. There's a very old thread that addresses this very thing. http://www.soompi.com/forums/index.php?showtopic=54265

Based on my own experiences with both, I'd recommend encodings be done in XviD hands down.

Despite my recommendation however, and if you prefer something simple to use, then for DivX use Pocket Divx (awdark's recommendation). For XviD use Gordian Knot. Not sure about PocketDivX but Gordian Knot will allow you to hardsub in an easy to use interface. Otherwise, use Virtualdub for both because you can get higher quality encodes with it due to the amount of advanced options you can tweak (like custom matrices and such).
QUOTE(sccy @ Sep 28 2006, 08:55 PM) View Post
I have an error which says Avisynth open failure, AviSource : Could not decompress frame 0.

Only two things I can suggest.

First, try exiting out of the program then restart it again. Hopefully that will fix the Avisynth error. Avisynth errors seem to stay forever until you actually close the program you're using and restarting it again.

Second, if that doesn't work then edit your avisynth file and replace AviSource with DirectShowSource instead. I hate using DirectShowSource because I end up having to resync the audio/video. But that might be the only way you can get your file to encode though because DirectShowSource uses a different way of accessing and streaming the file than AviSource does. Good luck.
0

#10 User is offline   sccy 

  • Member
  • Pip
  • Group: Members
  • Posts: 51
  • Joined: 04-October 05

Posted 28 September 2006 - 11:50 PM

Hi DaRkViEt73

Thanks for your reply and suggestion. I will try it out once I get home. smile.gif
0

Share this topic:


Page 1 of 1

2 User(s) are reading this topic
0 members, 2 guests, 0 anonymous users