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Added option '--crp-lzma-fb='. Started tuning lzma compression

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levels '-1' and '-2'.
This commit is contained in:
Markus F.X.J. Oberhumer
2006-10-12 14:23:22 +02:00
parent e1379ac5ce
commit b31b8cd7f0
5 changed files with 26 additions and 5 deletions
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src/conf.h
+10 -4
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@@ -239,14 +239,16 @@ struct OptVar
struct lzma_compress_config_t
{
typedef OptVar<unsigned, 2u, 0u, 4u> pos_bits_t; // pb
typedef OptVar<unsigned, 0u, 0u, 4u> lit_pos_bits_t; // lb
typedef OptVar<unsigned, 3u, 0u, 8u> lit_context_bits_t; // lc
typedef OptVar<unsigned, 2u, 0u, 4u> pos_bits_t; // pb
typedef OptVar<unsigned, 0u, 0u, 4u> lit_pos_bits_t; // lb
typedef OptVar<unsigned, 3u, 0u, 8u> lit_context_bits_t; // lc
typedef OptVar<unsigned, 64u, 5u, 273u> num_fast_bytes_t;
unsigned max_num_probs;
pos_bits_t pos_bits; // pb
lit_pos_bits_t lit_pos_bits; // lp
lit_context_bits_t lit_context_bits; // lc
num_fast_bytes_t num_fast_bytes;
#if 0
unsigned dict_size;
unsigned mf_passes;
@@ -254,6 +256,7 @@ struct lzma_compress_config_t
void reset() {
memset(this, 0, sizeof(*this));
pos_bits.reset(); lit_pos_bits.reset(); lit_context_bits.reset();
num_fast_bytes.reset();
}
};
@@ -276,7 +279,10 @@ struct lzma_compress_result_t
unsigned lit_pos_bits; // lp
unsigned lit_context_bits; // lc
unsigned dict_size;
unsigned num_probs;
unsigned fast_mode;
unsigned num_fast_bytes;
unsigned match_finder_cycles;
unsigned num_probs; // (computed result)
};
struct ucl_compress_result_t