SFX ripping/decoding/dumping features?

[magumagu]

https://github.com/dolphin-emu/dolphin/blob/9f86d3efcf1f687f5cfbe69b081aeeedb0cb9bb9/Source/Core/Core/DSP/DSPAccelerator.cpp might help.
The algorithm restarts every 8 bytes, and the first byte initializes the state; the other 7 bytes contain 14 samples.