Why are my fades and blurs so ugly ?

A

Anartiste

Well-known member
Hello you panaddicts,

Why the hell do my fade-in's and blurs display artifacts around the highest contrasted zones of the frame (even though these zones are not overexposed or oversaturated — they're just the most exposed and/or saturated regions of the frame) ?

These artifacts are not nice when viewed on FCP, but they're really awful on the test DVD's I've burnt (amplified by encoding of course).

Is there something I do wrong or are fades and blurs an FCP notorious weakness ? If so, are there third parties plug-in's that could do the job with more elegance ?
 
Re: Why are my fades and blurs so ugly ?

Is everything fully rendered before you export your footage? I've noticed that if I have any real-time rendered areas (areas that have green-bar status) my exported quicktime footage will have problems in areas such as fade-ins, transitions, etc. The problems usually consist of flashes of white or hue changes at the end of the transition, but for other users their experiences may differ.
 
Re: Why are my fades and blurs so ugly ?

Everything is fully rendered (I've checked that first and applied a TOTAL render).

In the end of the fade-in's you can see circular like artifacts surrounding certain zones like if there was a compression in action.

My codec is DV PAL, displayed at highest quality.

Those fade-in's are quite long though (5 to 10 seconds), meaning that the twilight zone lasts longer, making transitions less comfortable for FCP — or so I guess.

I also have one transition enriched with a heavy blur. The effect looks cool except for these goddam artifacts.
 
Re: Why are my fades and blurs so ugly ?

The only other thing I can suggest is this:
Under your "Video Filters" menu you have options native to FCP for blurring, etc. but you also have similar options under the "Quicktime" submenu.

For example, I'll tend to use "General Convolution" to manipulate the footage during a transition (for stylized effects such as a blur effect in tandem with blowing up the highlights and such), and I usually get better-looking/cleaner results.

Hope this helps, and if not please post if you do find something else that works because I'm curious as to what your end solution turns out to be.

Good luck.
 
Re: Why are my fades and blurs so ugly ?

Oh, yeah also:
I've noticed that I'll work with a DV codec and see areas that look shitty, such as areas with sharp lines or a lot of detail. However, if I switch codecs when I export, i.e. exporting to a quicktime movie with Motion JPEG A for compression it will clean these areas up immensely. Then I'll use this quicktime movie to encode onto a DVD.
 
Re: Why are my fades and blurs so ugly ?

Even though you stole my bike, which is so very nasty and breaks all the federal, christian, royal, republican — and even communist — laws, therefore making you nigga' an ugly motherfucking son of a *****, you are quite a kind human being, my friend.

Hurray for the time and wisdom you provide me with. Your answers are as clear as a mountain torrent glowing under the newborn sun of a perfect tibetan morning.

I'll test your tips tomorrow and keep you posted.

Thank you very much.
 
Re: Why are my fades and blurs so ugly ?

Dude, lay off the crack... lol

Good info on the codecs, bike dude.
 
Re: Why are my fades and blurs so ugly ?

bike man is on the right track. Try this if you're going out to DVD with your final timeline for killer results.

Create a New Sequence (CMD + N)

Open the New Sequence

Hit CMD + 0 (that's zero)

Change the Compressor to Photo - JPEG

Go back to your Normal Sequence

Select All, Copy

Go to your "New Sequence"

Paste

Render

Add your Chapter Markers (M + M again, click Chapter)

Export > QuickTime Movie

Make Movie Self Contained - Check

Markers > Chapter Markers

Rock on...

Guy Cochran
DVcreators.net
 
Re: Why are my fades and blurs so ugly ?

As a matter of fact, I'm a lucky guy : a friend of mine just offered me a free week of finalization of the film on a Flame station, which is quite a luxury. In order to be able to run the film on this machine, he needs a TGA sequence of still images. As far as I know, this format is uncompressed so, assuming the animated JPEG method eliminates the nasty artifacts, this one should give even better results.

Thanks a lot anyway for the very precise procedure. I'll keep you posted about the results.
 
You must log in or register to reply here.
Back
Top