Quote:
Originally Posted by Groucho2004
What makes you so sure that the decoder is the culprit? Have you tried without the filters? Are you using a modified version of Avisynth? Have you tried the "official" Avisynth 2.58? Have you tried a different decoder (FFMS2, Directshow, etc)?
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I've tried FFVideoSource and DSS2. Both perform as expected (ca 1.5fps). Only after using DGSource does performance gradually degrade. I'm re-encoding now with FFVideoSource, and there's no longer a decline in perfomance (and uses ca. 2G less memory).
Memory usage also steadily increases with DGSource; not dramatically, but still noticeable; from 4.6 to 5.1 GB over time (at which point I aborted the encode, since, at 2% CPU usage for x264, the decoder hardly seemed to feed any frames any more).
And yes, I use the official 2.58 AviSynth release.