Forward declaration of Stream so we can define toStream().

Computes the shape of a batch

Image metadata

Forward declaration of Buffer so we can define toBuffer() and buffered().

Note that FileFetcher holds a weak reference on a given filename If it is not valid anymore, it will be fetched again

structure of the npy file format string (a string-serialized python dictionary), see parseNumpyFormat

RAII container for reading a single frame and managing the state associated with that

Enum to choose the frequency scaling for the filter banks.

Image metadata

Operation that will load a file into memory -- similar to `OpReadFromTAR` but loads directly from the filesystem. This is useful for testing the in-m

See https://numpy.org/doc/stable/reference/generated/numpy.lib.format.html

additional bytes for version 2.0 and higher headers