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Quicktime MOV lighter than source?
show user profile  ScotlandDave
I`m exporting something and noticed when exporting to MOV the video played back is `lighter` than the original? What`s that about?

[edit] that`s with h264, the mov mpeg-4 encoder seems to be alright..

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read 451 times
8/23/2009 12:37:47 PM (last edit: 8/23/2009 12:40:55 PM)
show user profile  horizon
Lighter? As in brighter?
Lighter would mean less MB, which is kinda the point of compressing uncompressed frames :P

read 427 times
8/23/2009 6:21:41 PM (last edit: 8/23/2009 6:21:41 PM)
show user profile  NLGFX_ger
yeah had the same problem recently... :( no matter which codec I used... still investigating what may be the reason for it :(
skype: oli_at_home
read 425 times
8/23/2009 6:34:22 PM (last edit: 8/23/2009 6:34:22 PM)
show user profile  Bolteon
if your exporting for mac vs pc there's a gamma change that happens... also, some codecs do the gamma by default.

there's fixes for the above out there, google up some.

-Marko Mandaric

read 419 times
8/23/2009 7:55:13 PM (last edit: 8/23/2009 7:55:13 PM)
show user profile  Error404
feking macs. I like quicktime, but hate some of the crap that it does, lifting the blacks and reducing the contrast a bit.

Bolt's got it, it's something to do with the codec settings or something. We got it figured out at work, but I can't remember what the fix was. both H624, and previously with sorenson 3 -

read 414 times
8/23/2009 10:01:41 PM (last edit: 8/23/2009 10:03:13 PM)
show user profile  Loud
Gamma Shift.

To get it to work for me in the past I had to add one step by changing the transparency back to "None" after selecting "Straight Alpha".

read 409 times
8/23/2009 10:04:26 PM (last edit: 8/23/2009 10:06:45 PM)
show user profile  NLGFX_ger
great! thanks! :)
skype: oli_at_home
read 400 times
8/23/2009 10:30:54 PM (last edit: 8/23/2009 10:30:54 PM)
show user profile  ScotlandDave
Alright okay thanks although i couldn`t see any gamma or clamping or anything inside the quicktime h264 settings (exporting from ae)..

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read 386 times
8/24/2009 1:52:53 AM (last edit: 8/24/2009 1:52:53 AM)
show user profile  Jollabollathan
Yeah it's a problem with the H.264 codec. Bloody rubbish. I think I've seen Sorenson 3 darken things a bit but that's barely noticeable.

read 371 times
8/24/2009 7:00:36 AM (last edit: 8/24/2009 7:00:36 AM)
show user profile  STRAT
QT's encoding is very good imo as long as you're aware of potential mac/pc differences and stay on top of them.


read 367 times
8/24/2009 7:09:56 AM (last edit: 8/24/2009 7:09:56 AM)
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