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Merge pull request #233 from szabadka/master

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Fix integer overflow and slowness in entropy estimation.
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szabadka 2015-10-23 11:54:56 +02:00
commit 9f7e4ce34f
1 changed files with 1 additions and 1 deletions
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enc/encode.cc
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@ -389,7 +389,7 @@ bool BrotliCompressor::WriteMetaBlockInternal(const bool is_last,
static const int kSampleRate = 13;
static const double kMinEntropy = 7.92;
const double bit_cost_threshold = bytes * kMinEntropy / kSampleRate;
for (int i = last_flush_pos_; i < input_pos_; i += kSampleRate) {
for (size_t i = last_flush_pos_; i < input_pos_; i += kSampleRate) {
++literal_histo[data[i & mask]];
}
if (BitsEntropy(literal_histo, 256) > bit_cost_threshold) {