Some uses of Snappy require uncompressing to positions within an existing buffer. Also adds a function to get the uncompressed length of Snappy data. Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* commit '2ecfd451649c7a08cb633635df98e59f7c6e2140': Implement Snappy decompression Merged-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>