ref: f2ac7803db2d376bab0734f3e7629faea7bc7297 dir: /jbig2_mmr.h/
int jbig2_decode_generic_mmr(Jbig2Ctx *ctx, Jbig2Segment *segment, const Jbig2GenericRegionParams *params, const byte *data, size_t size, Jbig2Image *image);