Hyffuyv or Pic Video M-JEPEG Codec

[MI6]

Some authors says thet Hyffyv is the best codec for AVI capturing bit others says Pic M-JPEG is the write choice.
Acording to my experiance using both of them, here is the big difference in
created AVI file.
Using Hyffyuv, 1 hour captured video 720x576 = 40GB AVI file
Using Pic M-JPEG 1 hour same size = 5 Gb AVI file.

That's huge difference in size, but in quality????

[ropdoh]

HuffYUV is Lossless, so it is perfect quality, but that is why the filesize is much larger.

M-JPEG is Lossy, ie it is compressing the video.

So at the end of the day you must decide, do you want perfect, large video (HUFF)
Or pretty good smaller videos(M-JPEG)

[SerbianBoss]

Read my little test
https://www.videohelp.com/forum/viewtopic.php?t=279500

I prefer using picvideo mjpeg codec. Just set to maximal quality 20. 1 hour captured at 720x576 is 35 GB

[pchan]

I prefer using picvideo mjpeg codec. Just set to maximal quality 20. 1 hour captured at 720x576 is 35 GB

Using PicVideo MJPEC codec, 1 hr of video should be around 12~13GB.

[SerbianBoss]

but if you using picvideo mjpeg at the best quality 20 1 hour is 30-35 GB, thats sure

[winifreid]

huffy is not actually lossless. It just doen't compress much. I prefer pic at 19 because of the size. I can see some difference in qulaity if I zoom in about 8x, but I can't see the difference once it is all put on the tv.

[junkmalle]

huffy is not actually lossless. It just doen't compress much.

No, if your source is YUY2 (or a similar 4:2:2 YUV format -- which virtually every capture card captures) HuffYUV is lossless. If your source is RGB (from say a computer generated RGB video) there is a loss in converting to YUY2.

[payton34]

Junkmalle,

How does HUFFYUV know whether your source is RGB or YUV?

There is'nt any option in the "configure" menu to select and tell HUFFYUV which particular compression method to use.

[FulciLives]

I no longer capture with a computer capture card ... but when I did I used PICVideo MJPEG on the 19 quality setting. This was due to HDD space and the fact that my computer was SLOW at the time ... using the 20 setting caused dropped frames and HuffyUV would also, once in a way, cause dropped frames.

Once I got a faster computer I tried both PICVideo MJPEG at 20 and HuffyUV and I liked PICVideo MJPEG at the 20 setting better than HuffyUV. It seems that HuffyUV does something "strange" to the luminance levels whereas PICVideo MJPEG looks more dead on to the original.

Anyways now I have a stand alone DVD recorder with a built-in HDD but I do have some tapes that need that "special touch" you can only get on a computer using AviSynth so when I get around to them I will probably go with the DataVideo DAC-100 which is a DV capture device ... nearly a "clone" of the infamous Canopus ADVC-100. I just can't seem to get my new and very fast computer to keep sync with my old PCI capture card that I used for years on an older and much slower computer but one that would keep sync none-the-less.

At the moment I'm more interested in capture ... or recording if you will ... from TV programs and there the source is generally "clean" enough that a stand alone DVD recorder is the way to go unless you have obscene amounts of time to kill ... or not that much you are recording.

- John "FulciLives" Coleman

[junkmalle]

Junkmalle,

How does HUFFYUV know whether your source is RGB or YUV?

There is'nt any option in the "configure" menu to select and tell HUFFYUV which particular compression method to use.

The program that's invoking HuffYUV tells it what format the image data is in.

[ForYouAndI.com]

FulciLives, huffyuv is lossless. How is it possible that it was messing up your video data?

[The_Doman]

I just can't seem to get my new and very fast computer to keep sync with my old PCI capture card that I used for years on an older and much slower computer but one that would keep sync none-the-less.

Did you ever tried the avi_io capture program.?
I am still using that now with my old BT848 card and is the only program keeping everything in sync....

[FulciLives]

I just can't seem to get my new and very fast computer to keep sync with my old PCI capture card that I used for years on an older and much slower computer but one that would keep sync none-the-less.

Did you ever tried the avi_io capture program.?
I am still using that now with my old BT848 card and is the only program keeping everything in sync....

No. I had TheFlyDS working on the old computer then got iuVCR to work. Never could get VirtualVCR to work right even on the old computer.

I tried TheFlyDS, iuVCR and VirtualVCR on the new computer with the same capture card I had in the old computer (AverTV Stereo PCI card which is BT based) yet no joy with sync. It will slowly drift so once you are maybe an hour into the capture you start to notice.

- John "FulciLives" Coleman

[The_Doman]

I tried TheFlyDS, iuVCR and VirtualVCR on the new computer with the same capture card I had in the old computer (AverTV Stereo PCI card which is BT based) yet no joy with sync. It will slowly drift so once you are maybe an hour into the capture you start to notice.

Yeah, I tried also a lot of those captureprograms claiming to keep everything in sync.
They did not....
Just try the BTWINCAP drivers and that little avi_io thingie
AVi_io works different then all the others.

[FulciLives]

I tried TheFlyDS, iuVCR and VirtualVCR on the new computer with the same capture card I had in the old computer (AverTV Stereo PCI card which is BT based) yet no joy with sync. It will slowly drift so once you are maybe an hour into the capture you start to notice.

Yeah, I tried also a lot of those captureprograms claiming to keep everything in sync.
They did not....
Just try the BTWINCAP drivers and that little avi_io thingie
AVi_io works different then all the others.

Maybe I'll give it a try. A friend of mine needs a VHS of his captured and it definately will need some AviSynth clean-up.

Currently I am having too much fun using the Pioneer DVR-531H-s stand alone DVD recorder ... but using it only for TV stuff.

- John "FulciLives" Coleman