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| pezastic |
| Posted: Oct 3 2005, 12:06 PM |
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Unregistered
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I just installed v1.6.11, lopened an .AVI, and saw under the Video dropdown menu that "Copy source frame to clipboard" and "Copy output frame to clipboard" are greyed out.
Why is this and, more importantly, how can I get this feature working? |
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| stephanV |
| Posted: Oct 3 2005, 12:15 PM |
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Spam killer ;)
Group: Moderators
Posts: 4348
Member No.: 8917
Joined: 18-February 04
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Hmm, I'm noticing a similar thing.
If i go to the performance menu and just close it, the option to copy output is greyed out. If afterwards use paste in paint or irfanview, the option works is useable again.
No idea why this is so though...
[edit] it is not only after going to performance but also inserting a filter. probably other options cause the behaviour too.
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useful links:
VirtualDub, Input plugins and filters, AviSynth, AVI-Mux GUI, AC3ACM by fcchandler, VirtualDub FAQ |
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| pezastic |
| Posted: Oct 4 2005, 03:09 AM |
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Unregistered
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I'm such a dunce! "Display input video" is off by default under Options. Turning that on enabled the "Copy souce frame to clipboard" feature. Turning on "Display output video" does likewise for copying the output frame. Still, I'm wondering why they're off by default. |
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| phaeron |
| Posted: Oct 4 2005, 04:02 AM |
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Virtualdub Developer
Group: Administrator
Posts: 7773
Member No.: 61
Joined: 30-July 02
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They aren't off by default, but they're saved across program runs in recent versions.
The reason for the strange behavior is that the commands only allow you to copy when the frame is already available, and certain commands kill the filter framebuffer in order to make sure a stale filter chain isn't kept around (-> crash). 1.6.11 contains a couple of additional invalidation points in order to fix such issues; previously the option might have worked but given an incorrect frame.
Stepping back and forth by a frame, incidentally, refreshes the buffers that are used by the copy frame commands.
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