Hi thanks guys many of you suggested to compress the pre-rendered elements with QT Photo Jpg but the problem is how can I compress the alpha channel ? Can I include separate mattes for the elements ? What do you suggest for that ? Plz help Thanks !!!
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You don’t need alpha channel for prerendered optical flares. Just use “add” blending mode.
Depending of your flare setup, h264 is maybe better option because of file size, if h264 with 100% quality looks bad, go with photo jpeg with no need for 100% quality, 90% or little less is usually fine.
If you for some reason want prerendered OF with alpha channel, render with png compression, it support alpha channel.
Not sure what you mean with “separate mattes for the elements”.
for alpha channel – for me JPEG 2000 + alpha, with about 90% quality is O.K. if you need alpha channel, if you don’t , then like dorde said