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header clean-up

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remove unused VP8LHistogramRemove function
make HistogramEstimateBitsHeader static

Change-Id: I0dc6a6f4c41d3c5f55a8153cd7d710c9f84582a7
This commit is contained in:
Pascal Massimino
2012-07-16 19:13:01 -07:00
parent 8130c4cc64
commit 23d34f3142
2 changed files with 8 additions and 32 deletions
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27
src/enc/histogram.h
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@ -76,10 +76,6 @@ void VP8LHistogramAddSinglePixOrCopy(VP8LHistogram* const histo,
// approximately maps to.
double VP8LHistogramEstimateBits(const VP8LHistogram* const p);
// This function estimates the Huffman dictionary + other block overhead
// size for creating a new deflate block.
double VP8LHistogramEstimateBitsHeader(const VP8LHistogram* const p);
// This function estimates the cost in bits excluding the bits needed to
// represent the entropy code itself.
double VP8LHistogramEstimateBitsBulk(const VP8LHistogram* const p);
@ -100,34 +96,13 @@ static WEBP_INLINE void VP8LHistogramAdd(VP8LHistogram* const p,
}
}
static WEBP_INLINE void VP8LHistogramRemove(VP8LHistogram* const p,
const VP8LHistogram* const a) {
int i;
for (i = 0; i < PIX_OR_COPY_CODES_MAX; ++i) {
p->literal_[i] -= a->literal_[i];
assert(p->literal_[i] >= 0);
}
for (i = 0; i < NUM_DISTANCE_CODES; ++i) {
p->distance_[i] -= a->distance_[i];
assert(p->distance_[i] >= 0);
}
for (i = 0; i < 256; ++i) {
p->red_[i] -= a->red_[i];
p->blue_[i] -= a->blue_[i];
p->alpha_[i] -= a->alpha_[i];
assert(p->red_[i] >= 0);
assert(p->blue_[i] >= 0);
assert(p->alpha_[i] >= 0);
}
}
static WEBP_INLINE int VP8LHistogramNumCodes(const VP8LHistogram* const p) {
return 256 + NUM_LENGTH_CODES +
((p->palette_code_bits_ > 0) ? (1 << p->palette_code_bits_) : 0);
}
void VP8LConvertPopulationCountTableToBitEstimates(
int n, const int* const population_counts, double* const output);
int num_symbols, const int population_counts[], double output[]);
// Builds the histogram image.
int VP8LGetHistoImageSymbols(int xsize, int ysize,