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Old 16th September 2019, 19:42   #11  |  Link
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Originally Posted by wonkey_monkey View Post
I'm writing a C++ program which creates an IScriptEnvironment2 for the purposes of displaying clips. It also lets the user modify the filter chain by changing conversion matrix, interlacing settings, bobbing, etc. If I invoke a filter, is there any way to absolutely forbid the environment from ever caching frames from that filter? And would this/could this propagate to downstream filters, so that every single request for an output frame (even if it was the same frame that had just been requested) would go back up the chain to the uncached filter?
The short answer is no. Simply recreate the filter chain from the point where the settings are changed. Generally only source filters are slow to create and destroy anyway so it works just fine (that's how YMC's preview works in case anyone remembers that)
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