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| author | Liang Qi <liang.qi@qt.io> | 2016-12-13 06:35:54 +0100 |
|---|---|---|
| committer | Jani Heikkinen <jani.heikkinen@qt.io> | 2016-12-13 11:05:49 +0000 |
| commit | a4125f0c4e8988012fe2bf5b9f933ed63c3c97d0 (patch) | |
| tree | 7b183f687bd0ba111ec50d406226283c980e03a5 /src/3rdparty/libwebp/src/utils/bit_reader.c | |
| parent | 5976c46685b1335c86ce702e3af69262de97096c (diff) | |
Bundled libwebp updated to version 0.5.1
This commit imports libwebp 0.5.1, including AUTHORS, COPYING, ChangeLog,
NEWS, PATENTS, README and src directories. In src, only includes header
and source files.
Upstream changes since 0.5.0 have been merged in.
Also updated version in qt_attribution.json.
Conflicts:
src/3rdparty/libwebp.pri
src/3rdparty/libwebp/qt_attribution.json
src/3rdparty/libwebp/src/webp/config.h
Change-Id: I7d0c15400154c3b4ee8ff37665303307c4b84f9f
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@qt.io>
Reviewed-by: Eirik Aavitsland <eirik.aavitsland@qt.io>
Diffstat (limited to 'src/3rdparty/libwebp/src/utils/bit_reader.c')
| -rw-r--r-- | src/3rdparty/libwebp/src/utils/bit_reader.c | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/src/3rdparty/libwebp/src/utils/bit_reader.c b/src/3rdparty/libwebp/src/utils/bit_reader.c index 45198e1..50ffb74 100644 --- a/src/3rdparty/libwebp/src/utils/bit_reader.c +++ b/src/3rdparty/libwebp/src/utils/bit_reader.c @@ -16,6 +16,7 @@ #endif #include "./bit_reader_inl.h" +#include "../utils/utils.h" //------------------------------------------------------------------------------ // VP8BitReader @@ -119,11 +120,10 @@ int32_t VP8GetSignedValue(VP8BitReader* const br, int bits) { #define VP8L_LOG8_WBITS 4 // Number of bytes needed to store VP8L_WBITS bits. -#if !defined(WEBP_FORCE_ALIGNED) && \ - (defined(__arm__) || defined(_M_ARM) || defined(__aarch64__) || \ - defined(__i386__) || defined(_M_IX86) || \ - defined(__x86_64__) || defined(_M_X64)) -#define VP8L_USE_UNALIGNED_LOAD +#if defined(__arm__) || defined(_M_ARM) || defined(__aarch64__) || \ + defined(__i386__) || defined(_M_IX86) || \ + defined(__x86_64__) || defined(_M_X64) +#define VP8L_USE_FAST_LOAD #endif static const uint32_t kBitMask[VP8L_MAX_NUM_BIT_READ + 1] = { @@ -191,15 +191,11 @@ static void ShiftBytes(VP8LBitReader* const br) { void VP8LDoFillBitWindow(VP8LBitReader* const br) { assert(br->bit_pos_ >= VP8L_WBITS); - // TODO(jzern): given the fixed read size it may be possible to force - // alignment in this block. -#if defined(VP8L_USE_UNALIGNED_LOAD) +#if defined(VP8L_USE_FAST_LOAD) if (br->pos_ + sizeof(br->val_) < br->len_) { br->val_ >>= VP8L_WBITS; br->bit_pos_ -= VP8L_WBITS; - // The expression below needs a little-endian arch to work correctly. - // This gives a large speedup for decoding speed. - br->val_ |= (vp8l_val_t)WebPMemToUint32(br->buf_ + br->pos_) << + br->val_ |= (vp8l_val_t)HToLE32(WebPMemToUint32(br->buf_ + br->pos_)) << (VP8L_LBITS - VP8L_WBITS); br->pos_ += VP8L_LOG8_WBITS; return; |