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22nd February 2008, 00:30 | #1 | Link |
x264 developer
Join Date: Sep 2005
Posts: 8,666
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VAQ: Making Xvid's Adaptive Quantization Not Suck
I was bored, so I spent 15 minutes and wrote this patch to port x264's new VAQ to Xvid.
I haven't tested it much (only on this video), but it seems to work surprisingly well, despite MPEG-4 ASP's drastic limitations on quantizer deltas. Patch [updated with minor fixes] Xvidcore.dll [updated with latest patch] To use it with Virtualdub or any VfW interface, just overwrite the XvidCore.dll in your /Windows/System32 or similar with the one I have provided. To activate VAQ, just check off the Adaptive Quantization box; it replaces the normal luminance masking. Note that I could not get it working correctly with mencoder; for some reason libavcodec seems to have its own lumimasking library that's overriding my patch. It works with xvid_encraw and VfW though... Have fun! Last edited by Dark Shikari; 23rd February 2008 at 01:37. |
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xvid aq, xvid vaq |
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