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Update Brotli to v1.0.1

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- update README.md to the new versions (LZ4, Brotli)
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Tino Reichardt
2017-09-28 09:33:27 +02:00
parent 699a608314
commit a818384b05
39 changed files with 463 additions and 432 deletions
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19
C/brotli/enc/hash_forgetful_chain_inc.h
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@@ -152,24 +152,24 @@ static BROTLI_INLINE void FN(PrepareDistanceCache)(
Does not look for matches longer than max_length.
Does not look for matches further away than max_backward.
Writes the best match into |out|.
Returns 1 when match is found, otherwise 0. */
static BROTLI_INLINE BROTLI_BOOL FN(FindLongestMatch)(HasherHandle handle,
|out|->score is updated only if a better match is found. */
static BROTLI_INLINE void FN(FindLongestMatch)(HasherHandle handle,
const BrotliDictionary* dictionary, const uint16_t* dictionary_hash,
const uint8_t* BROTLI_RESTRICT data, const size_t ring_buffer_mask,
const int* BROTLI_RESTRICT distance_cache,
const size_t cur_ix, const size_t max_length, const size_t max_backward,
HasherSearchResult* BROTLI_RESTRICT out) {
const size_t gap, HasherSearchResult* BROTLI_RESTRICT out) {
HashForgetfulChain* self = FN(Self)(handle);
const size_t cur_ix_masked = cur_ix & ring_buffer_mask;
BROTLI_BOOL is_match_found = BROTLI_FALSE;
/* Don't accept a short copy from far away. */
score_t min_score = out->score;
score_t best_score = out->score;
size_t best_len = out->len;
size_t i;
const size_t key = FN(HashBytes)(&data[cur_ix_masked]);
const uint8_t tiny_hash = (uint8_t)(key);
out->len = 0;
out->len_x_code = 0;
out->len_code_delta = 0;
/* Try last distance first. */
for (i = 0; i < NUM_LAST_DISTANCES_TO_CHECK; ++i) {
const size_t backward = (size_t)distance_cache[i];
@@ -194,7 +194,6 @@ static BROTLI_INLINE BROTLI_BOOL FN(FindLongestMatch)(HasherHandle handle,
out->len = best_len;
out->distance = backward;
out->score = best_score;
is_match_found = BROTLI_TRUE;
}
}
}
@@ -234,19 +233,17 @@ static BROTLI_INLINE BROTLI_BOOL FN(FindLongestMatch)(HasherHandle handle,
out->len = best_len;
out->distance = backward;
out->score = best_score;
is_match_found = BROTLI_TRUE;
}
}
}
}
FN(Store)(handle, data, ring_buffer_mask, cur_ix);
}
if (!is_match_found) {
is_match_found = SearchInStaticDictionary(dictionary, dictionary_hash,
handle, &data[cur_ix_masked], max_length, max_backward, out,
if (out->score == min_score) {
SearchInStaticDictionary(dictionary, dictionary_hash,
handle, &data[cur_ix_masked], max_length, max_backward + gap, out,
BROTLI_FALSE);
}
return is_match_found;
}
#undef BANK_SIZE