Quote:
Originally Posted by DJATOM
The way you're using frame fetching in VS is inefficient. In general you have to care about async frame requests on your end, otherwise it works like a single-threaded frameserver.
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For a GUI like staxrip it's totally fine, it's not used for encoding but only to access parameters and for a basic crop and preview dialog that doesn't support playback and HDR color handling but has mpv/mpc integration to take care of this. The GDI based WinForms rendering was ridiculously slow but it was addressed with a hardware accelerated Direct2D replacement. It does a vertical flip and converts to RGB32 in software via avs/vs. For best possible performance vertical flip and YV12 could be handled by Direct3D and like you told frames could be accessed asynchronously.