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

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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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8
media/libwebp/dsp/lossless_common.h
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@ -93,14 +93,6 @@ static WEBP_INLINE float VP8LFastSLog2(uint32_t v) {
// -----------------------------------------------------------------------------
// PrefixEncode()
static WEBP_INLINE int VP8LBitsLog2Ceiling(uint32_t n) {
const int log_floor = BitsLog2Floor(n);
if (n == (n & ~(n - 1))) { // zero or a power of two.
return log_floor;
}
return log_floor + 1;
}
// Splitting of distance and length codes into prefixes and
// extra bits. The prefixes are encoded with an entropy code
// while the extra bits are stored just as normal bits.