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| rjisinspired |
| Posted: May 16 2010, 03:33 PM |
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Advanced Member
Group: Members
Posts: 1256
Member No.: 20008
Joined: 12-October 06
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Is smart rendering a newish feature or has it been around for a longish time?
I noticed a few programs that use smart rendering on mpeg2 files. Is this the same rendering that only recompresses the cut points while direct streaming the rest of the file? |
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| phaeron |
| Posted: May 16 2010, 06:18 PM |
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Virtualdub Developer
Group: Administrator
Posts: 7773
Member No.: 61
Joined: 30-July 02
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Yes, it's the same general function, and it's been around for a while in NLE programs -- I think I started seeing it in the consumer space when MJPEG hardware devices became popular. MPEG-2 is a bit harder due to B-frame and buffering concerns. IIRC, some editors also did a restricted form of a direct stream copy like operation where they could edit on group of picture (GOP) boundaries, but you'd lose the first two frames in the GOP (the B frames before the I frame in display order).
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