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| author | Lasse Collin <lasse.collin@tukaani.org> | 2010-09-03 12:28:41 +0300 |
|---|---|---|
| committer | Lasse Collin <lasse.collin@tukaani.org> | 2010-09-03 12:28:41 +0300 |
| commit | 77fe5954cd3d10fb1837372684cbc133b56b6a87 (patch) | |
| tree | b6c211524ce570b689fc5630b0539c5613e235a5 | |
| parent | xz: Make --help two lines shorter. (diff) | |
| download | xz-77fe5954cd3d10fb1837372684cbc133b56b6a87.tar.xz | |
liblzma: Adjust default depth calculation for HC3 and HC4.
It was 8 + nice_len / 4, now it is 4 + nice_len / 4.
This allows faster settings at lower nice_len values,
even though it seems that I won't use automatic depth
calcuation with HC3 and HC4 in the presets.
Diffstat (limited to '')
| -rw-r--r-- | src/liblzma/lz/lz_encoder.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/liblzma/lz/lz_encoder.c b/src/liblzma/lz/lz_encoder.c index 9e980a2c..273f577b 100644 --- a/src/liblzma/lz/lz_encoder.c +++ b/src/liblzma/lz/lz_encoder.c @@ -349,9 +349,10 @@ lz_encoder_prepare(lzma_mf *mf, lzma_allocator *allocator, // Maximum number of match finder cycles mf->depth = lz_options->depth; if (mf->depth == 0) { - mf->depth = 16 + (mf->nice_len / 2); - if (!is_bt) - mf->depth /= 2; + if (is_bt) + mf->depth = 16 + mf->nice_len / 2; + else + mf->depth = 4 + mf->nice_len / 4; } return false; |