Function grokj2k_sys::grk_decompress_create

pub unsafe extern "C" fn grk_decompress_create(
    format: GRK_CODEC_FORMAT, 
    stream: *mut grk_stream
) -> *mut grk_codec

Create J2K/JP2 decompression structure

@param format JPEG 2000 format @param stream JPEG 2000 stream.

@return a handle to a decompressor if successful, otherwise nullptr