Extract common IFF code to separate module. #472
Merged
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Update the AIFF and RIFF implementations to use common IFF base classes. Both the AIFF and RIFF implementations share a lot of code. The differences between both implementations is that one uses big endian and the other little endian, also they obviously use different types of chunks.
The background for this is that I am also working on a DSDIFF (aka DFF) implementation. DSDIFF is also IFF based and thus again shares most of the code of the AIFF / RIFF implementations. The main difference to AIFF is that DSDIFF uses 8 bytes for the length instead of 4.
So I'm submitting this refactoring first and later the DSDIFF changes on top of this.