Huffyuv makes DV AVI files three times bigger!!!

[taliyev]

Hello everyone,

I was trying to use Huffyuv compression driver to compress my home DV video. Somehow after compression from original DV format file gets 3 to 4 times bigger than the original one . Does not matter what I do with Huffyuv configuration settings I cannot get my target file to be less or even equal in size to the original one. File size increase is dramatic.

I am using ULead VideoStudio 5 with all updates installed . I have tried VirtualDub but get the same result. OS is Win2000

My original video is in AVI file downloaded from JVC DV Camcorder via FireWire port with the VideoStudio - 1 hour about 10GB. Compression to all other MPEG and AVI formats works as expected.

Do you know what might be wrong? Am I missing something?

Thank you.

[liquid217]

no that's exactly right. DV compression compresses video more than huffyuv, so basically your uncompressing it the recompressing it with huffyuv.

[taliyev]

If huffyuv is lower compression than DV then why would someone would want to use it?

[liquid217]

huffyuv is an alternative to capturing in uncompressed yuv fomat (30 Meg/sec i believe), huffyuv is bit by bit identical to the original uncompressed file,...just appx. half the size. DV compression is a "lossy" compression that is not bit by bit identical (although it looks really close).