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Sync libwebp sources with https://chromium.googlesource.com/webm/libwebp/+/v1.0.0

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This commit is contained in:
JustOff 2018-06-29 20:57:44 +03:00 • committed by Roy Tam
commit 57e9b57974
86 changed files with 3796 additions and 2250 deletions
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19
media/libwebp/enc/histogram_enc.h
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@ -11,12 +11,12 @@
//
// Models the histograms of literal and distance codes.
#ifndef WEBP_ENC_HISTOGRAM_H_
#define WEBP_ENC_HISTOGRAM_H_
#ifndef WEBP_ENC_HISTOGRAM_ENC_H_
#define WEBP_ENC_HISTOGRAM_ENC_H_
#include <string.h>
#include "./backward_references_enc.h"
#include "../enc/backward_references_enc.h"
#include "../webp/format_constants.h"
#include "../webp/types.h"
@ -90,7 +90,9 @@ VP8LHistogram* VP8LAllocateHistogram(int cache_bits);
// Accumulate a token 'v' into a histogram.
void VP8LHistogramAddSinglePixOrCopy(VP8LHistogram* const histo,
const PixOrCopy* const v);
const PixOrCopy* const v,
int (*const distance_modifier)(int, int),
int distance_modifier_arg0);
static WEBP_INLINE int VP8LHistogramNumCodes(int palette_code_bits) {
return NUM_LITERAL_CODES + NUM_LENGTH_CODES +
@ -103,14 +105,11 @@ int VP8LGetHistoImageSymbols(int xsize, int ysize,
int quality, int low_effort,
int histogram_bits, int cache_bits,
VP8LHistogramSet* const image_in,
VP8LHistogramSet* const tmp_histos,
VP8LHistogram* const tmp_histo,
uint16_t* const histogram_symbols);
// Returns the entropy for the symbols in the input array.
// Also sets trivial_symbol to the code value, if the array has only one code
// value. Otherwise, set it to VP8L_NON_TRIVIAL_SYM.
double VP8LBitsEntropy(const uint32_t* const array, int n,
uint32_t* const trivial_symbol);
double VP8LBitsEntropy(const uint32_t* const array, int n);
// Estimate how many bits the combined entropy of literals and distance
// approximately maps to.
@ -120,4 +119,4 @@ double VP8LHistogramEstimateBits(const VP8LHistogram* const p);
}
#endif
#endif // WEBP_ENC_HISTOGRAM_H_
#endif // WEBP_ENC_HISTOGRAM_ENC_H_