diff options
Diffstat (limited to 'thirdparty/libwebp/src/enc/histogram_enc.c')
| -rw-r--r-- | thirdparty/libwebp/src/enc/histogram_enc.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/thirdparty/libwebp/src/enc/histogram_enc.c b/thirdparty/libwebp/src/enc/histogram_enc.c index a4e6bf3a98..38a0cebcab 100644 --- a/thirdparty/libwebp/src/enc/histogram_enc.c +++ b/thirdparty/libwebp/src/enc/histogram_enc.c @@ -208,6 +208,7 @@ void VP8LHistogramAddSinglePixOrCopy(VP8LHistogram* const histo, } else if (PixOrCopyIsCacheIdx(v)) { const int literal_ix = NUM_LITERAL_CODES + NUM_LENGTH_CODES + PixOrCopyCacheIdx(v); + assert(histo->palette_code_bits_ != 0); ++histo->literal_[literal_ix]; } else { int code, extra_bits; @@ -1170,13 +1171,15 @@ static void RemoveEmptyHistograms(VP8LHistogramSet* const image_histo) { int VP8LGetHistoImageSymbols(int xsize, int ysize, const VP8LBackwardRefs* const refs, int quality, int low_effort, - int histo_bits, int cache_bits, + int histogram_bits, int cache_bits, VP8LHistogramSet* const image_histo, VP8LHistogram* const tmp_histo, uint16_t* const histogram_symbols) { int ok = 0; - const int histo_xsize = histo_bits ? VP8LSubSampleSize(xsize, histo_bits) : 1; - const int histo_ysize = histo_bits ? VP8LSubSampleSize(ysize, histo_bits) : 1; + const int histo_xsize = + histogram_bits ? VP8LSubSampleSize(xsize, histogram_bits) : 1; + const int histo_ysize = + histogram_bits ? VP8LSubSampleSize(ysize, histogram_bits) : 1; const int image_histo_raw_size = histo_xsize * histo_ysize; VP8LHistogramSet* const orig_histo = VP8LAllocateHistogramSet(image_histo_raw_size, cache_bits); @@ -1192,7 +1195,7 @@ int VP8LGetHistoImageSymbols(int xsize, int ysize, if (orig_histo == NULL || map_tmp == NULL) goto Error; // Construct the histograms from backward references. - HistogramBuild(xsize, histo_bits, refs, orig_histo); + HistogramBuild(xsize, histogram_bits, refs, orig_histo); // Copies the histograms and computes its bit_cost. // histogram_symbols is optimized HistogramCopyAndAnalyze(orig_histo, image_histo, &num_used, |