These are two changes that speed up when frames start getting rendered
and processed (particularly for larger scale projects):
* Sorting of time beforehand was done to optimize decoding but is actually
unnecessary since the frames are already sequential when they're retrieved
from the range. As long as we maintain that order, no sorting is required.
This speeds up caching IMMENSELY.
* Evaluate hashes concurrently while retrieving frames. Before, this was
done before any rendering and could therefore delay rendering by several
seconds. Doing them concurrently means frames start rendering almost
immediately and further hashes can be analyzed while we wait for frames to
finish rendering.
itsmattkc
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