diff options
Diffstat (limited to 'include/sqfs/compressor.h')
| -rw-r--r-- | include/sqfs/compressor.h | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/include/sqfs/compressor.h b/include/sqfs/compressor.h index a257c3a..c8cab02 100644 --- a/include/sqfs/compressor.h +++ b/include/sqfs/compressor.h @@ -185,13 +185,13 @@ struct sqfs_compressor_config_t { } lzo; /** - * @brief Options for the xz compressor. + * @brief Options for the LZMA and XZ (LZMA v2) compressors. */ struct { /** * @brief LZMA dictionary size. * - * This value must either be a power of two or the sumo + * This value must either be a power of two or the sum * of two consecutive powers of two. * * Default is setting this to the same as the @@ -200,7 +200,9 @@ struct sqfs_compressor_config_t { sqfs_u32 dict_size; /** - * @brief Compression level. Maximum 9, default is 6. + * @brief Compression level. Maximum 9. + * + * For LZMA, the default is 5, for XZ the default is 6. */ sqfs_u8 level; @@ -243,7 +245,7 @@ struct sqfs_compressor_config_t { sqfs_u8 pb; sqfs_u32 padd0[2]; - } xz; + } xz, lzma; sqfs_u64 padd0[2]; } opt; @@ -392,6 +394,22 @@ typedef enum { #define SQFS_XZ_MAX_PB 4 #define SQFS_XZ_DEFAULT_PB 2 +#define SQFS_LZMA_MIN_LEVEL (0) +#define SQFS_LZMA_MAX_LEVEL (9) +#define SQFS_LZMA_DEFAULT_LEVEL (5) + +#define SQFS_LZMA_MIN_LC 0 +#define SQFS_LZMA_MAX_LC 4 +#define SQFS_LZMA_DEFAULT_LC 3 + +#define SQFS_LZMA_MIN_LP 0 +#define SQFS_LZMA_MAX_LP 4 +#define SQFS_LZMA_DEFAULT_LP 0 + +#define SQFS_LZMA_MIN_PB 0 +#define SQFS_LZMA_MAX_PB 4 +#define SQFS_LZMA_DEFAULT_PB 2 + #ifdef __cplusplus extern "C" { #endif |