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Update libwebp to version 1.0.2

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This resolves #939.
This commit is contained in:
wolfbeast 2019-01-21 13:09:32 +01:00 • committed by Roy Tam
commit 072fbe1a93
46 changed files with 395 additions and 173 deletions
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10
media/libwebp/enc/histogram_enc.h
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@ -44,6 +44,7 @@ typedef struct {
double literal_cost_; // Cached values of dominant entropy costs:
double red_cost_; // literal, red & blue.
double blue_cost_;
uint8_t is_used_[5]; // 5 for literal, red, blue, alpha, distance
} VP8LHistogram;
// Collection of histograms with fixed capacity, allocated as one
@ -67,7 +68,9 @@ void VP8LHistogramCreate(VP8LHistogram* const p,
int VP8LGetHistogramSize(int palette_code_bits);
// Set the palette_code_bits and reset the stats.
void VP8LHistogramInit(VP8LHistogram* const p, int palette_code_bits);
// If init_arrays is true, the arrays are also filled with 0's.
void VP8LHistogramInit(VP8LHistogram* const p, int palette_code_bits,
int init_arrays);
// Collect all the references into a histogram (without reset)
void VP8LHistogramStoreRefs(const VP8LBackwardRefs* const refs,
@ -83,6 +86,9 @@ void VP8LFreeHistogramSet(VP8LHistogramSet* const histo);
// using 'cache_bits'. Return NULL in case of memory error.
VP8LHistogramSet* VP8LAllocateHistogramSet(int size, int cache_bits);
// Set the histograms in set to 0.
void VP8LHistogramSetClear(VP8LHistogramSet* const set);
// Allocate and initialize histogram object with specified 'cache_bits'.
// Returns NULL in case of memory error.
// Special case of VP8LAllocateHistogramSet, with size equals 1.
@ -113,7 +119,7 @@ double VP8LBitsEntropy(const uint32_t* const array, int n);
// Estimate how many bits the combined entropy of literals and distance
// approximately maps to.
double VP8LHistogramEstimateBits(const VP8LHistogram* const p);
double VP8LHistogramEstimateBits(VP8LHistogram* const p);
#ifdef __cplusplus
}