#include <nitro/mi.h>u32 MI_CompressRL( const u8 *srcp, u32 size, u8 *dstp );
| srcp | Source address where the data to compress is stored. |
| size | Data size of the source to compress. |
| dstp | Needs a pointer to the compression destination buffer and a region greater than the source data size. Needs a 4-byte alignment. |
Returns the size of the compressed data. If the data after compression is larger than the source file, no compression is performed, and 0 is returned.
Performs RL-compression on the data and then writes it to a specified memory region. A region of the same size as the source data must be prepared in the compression destination buffer.
The function writes in 8-bit units, so for NITRO, an address in VRAM cannot be specified in dstp.
An address in VRAM can be specified in srcp for both NITRO and TWL.
Processing takes place only on the CPU, without the use of a system call or DMA.
MI_UncompressRL*
MI_ReadUncompRL
MI_CompressLZ*
MI_CompressHuffman
2008/12/05 Added TWL-related description.
2005/02/01 Initial version.
CONFIDENTIAL