X-Git-Url: https://wimlib.net/git/?a=blobdiff_plain;f=src%2Flzx_compress.c;h=33943af7fa41d1e4d4cb3f4a66bdbc4acd27e93e;hb=7ea97f5338e7fd6b19dbb7df4e8e333d286d8ac2;hp=f0edddd33aab3d706826b8db4f85fa7d07918133;hpb=a0651d04f742b00f92b3321dd81cd9abb2b39d9d;p=wimlib diff --git a/src/lzx_compress.c b/src/lzx_compress.c index f0edddd3..33943af7 100644 --- a/src/lzx_compress.c +++ b/src/lzx_compress.c @@ -1709,15 +1709,21 @@ lzx_update_costs(struct lzx_compressor *c) unsigned i; const struct lzx_lens *lens = &c->codes[c->codes_index].lens; - for (i = 0; i < c->num_main_syms; i++) - c->costs.main[i] = (lens->main[i] ? lens->main[i] : 15) * LZX_BIT_COST; + for (i = 0; i < c->num_main_syms; i++) { + c->costs.main[i] = (lens->main[i] ? lens->main[i] : + MAIN_CODEWORD_LIMIT) * LZX_BIT_COST; + } - for (i = 0; i < LZX_LENCODE_NUM_SYMBOLS; i++) - c->costs.len[i] = (lens->len[i] ? lens->len[i] : 15) * LZX_BIT_COST; + for (i = 0; i < LZX_LENCODE_NUM_SYMBOLS; i++) { + c->costs.len[i] = (lens->len[i] ? lens->len[i] : + LENGTH_CODEWORD_LIMIT) * LZX_BIT_COST; + } #if LZX_CONSIDER_ALIGNED_COSTS - for (i = 0; i < LZX_ALIGNEDCODE_NUM_SYMBOLS; i++) - c->costs.aligned[i] = (lens->aligned[i] ? lens->aligned[i] : 7) * LZX_BIT_COST; + for (i = 0; i < LZX_ALIGNEDCODE_NUM_SYMBOLS; i++) { + c->costs.aligned[i] = (lens->aligned[i] ? lens->aligned[i] : + ALIGNED_CODEWORD_LIMIT) * LZX_BIT_COST; + } #endif lzx_compute_match_costs(c); @@ -2257,8 +2263,8 @@ lzx_create_compressor(size_t max_bufsize, unsigned compression_level, c->impl = lzx_compress_lazy_16; else c->impl = lzx_compress_lazy_32; - c->max_search_depth = (36 * compression_level) / 20; - c->nice_match_length = (72 * compression_level) / 20; + c->max_search_depth = (60 * compression_level) / 20; + c->nice_match_length = (80 * compression_level) / 20; /* lzx_compress_lazy() needs max_search_depth >= 2 because it * halves the max_search_depth when attempting a lazy match, and @@ -2277,7 +2283,7 @@ lzx_create_compressor(size_t max_bufsize, unsigned compression_level, /* Scale nice_match_length and max_search_depth with the * compression level. */ c->max_search_depth = (24 * compression_level) / 50; - c->nice_match_length = (32 * compression_level) / 50; + c->nice_match_length = (48 * compression_level) / 50; /* Set a number of optimization passes appropriate for the * compression level. */