libwebp: Sync with upstream 1.3.1

https://chromium.googlesource.com/webm/libwebp/+/1.3.1/NEWS
(cherry picked from commit 2529ad6a64)

thirdparty/README.md

@@ -356,7 +356,7 @@ Files extracted from upstream source:
 ## libwebp
 
 - Upstream: https://chromium.googlesource.com/webm/libwebp/
-- Version: 1.3.0 (b557776962a3dcc985d83bd4ed94e1e2e50d0fa2, 2022)
+- Version: 1.3.1 (fd7bb21c0cb56e8a82e9bfa376164b842f433f3b, 2023)
 - License: BSD-3-Clause
 
 Files extracted from upstream source:

thirdparty/libwebp/AUTHORS

@@ -32,6 +32,7 @@ Contributors:
 - Mislav Bradac (mislavm at google dot com)
 - Nico Weber (thakis at chromium dot org)
 - Noel Chromium (noel at chromium dot org)
+- Nozomi Isozaki (nontan at pixiv dot co dot jp)
 - Oliver Wolff (oliver dot wolff at qt dot io)
 - Owen Rodley (orodley at google dot com)
 - Parag Salasakar (img dot mips1 at gmail dot com)
@@ -47,6 +48,7 @@ Contributors:
 - Somnath Banerjee (somnath dot banerjee at gmail dot com)
 - Sriraman Tallam (tmsriram at google dot com)
 - Tamar Levy (tamar dot levy at intel dot com)
+- Thiago Perrotta (tperrotta at google dot com)
 - Timothy Gu (timothygu99 at gmail dot com)
 - Urvang Joshi (urvang at google dot com)
 - Vikas Arora (vikasa at google dot com)

thirdparty/libwebp/sharpyuv/sharpyuv.c

@@ -440,6 +440,7 @@ static int DoSharpArgbToYuv(const uint8_t* r_ptr, const uint8_t* g_ptr,
 // By default SharpYuvConvert calls it with SharpYuvGetCPUInfo. If needed,
 // users can declare it as extern and call it with an alternate VP8CPUInfo
 // function.
+extern VP8CPUInfo SharpYuvGetCPUInfo;
 SHARPYUV_EXTERN void SharpYuvInit(VP8CPUInfo cpu_info_func);
 void SharpYuvInit(VP8CPUInfo cpu_info_func) {
   static volatile VP8CPUInfo sharpyuv_last_cpuinfo_used =

thirdparty/libwebp/sharpyuv/sharpyuv.h

@@ -37,7 +37,7 @@ extern "C" {
 // SharpYUV API version following the convention from semver.org
 #define SHARPYUV_VERSION_MAJOR 0
 #define SHARPYUV_VERSION_MINOR 2
-#define SHARPYUV_VERSION_PATCH 0
+#define SHARPYUV_VERSION_PATCH 1
 // Version as a uint32_t. The major number is the high 8 bits.
 // The minor number is the middle 8 bits. The patch number is the low 16 bits.
 #define SHARPYUV_MAKE_VERSION(MAJOR, MINOR, PATCH) \

thirdparty/libwebp/sharpyuv/sharpyuv_dsp.c

@@ -72,6 +72,7 @@ void (*SharpYuvFilterRow)(const int16_t* A, const int16_t* B, int len,
                           const uint16_t* best_y, uint16_t* out,
                           int bit_depth);
 
+extern VP8CPUInfo SharpYuvGetCPUInfo;
 extern void InitSharpYuvSSE2(void);
 extern void InitSharpYuvNEON(void);
 

thirdparty/libwebp/src/dec/tree_dec.c

@@ -12,10 +12,11 @@
 // Author: Skal (pascal.massimino@gmail.com)
 
 #include "src/dec/vp8i_dec.h"
+#include "src/dsp/cpu.h"
 #include "src/utils/bit_reader_inl_utils.h"
 
 #if !defined(USE_GENERIC_TREE)
-#if !defined(__arm__) && !defined(_M_ARM) && !defined(__aarch64__)
+#if !defined(__arm__) && !defined(_M_ARM) && !WEBP_AARCH64
 // using a table is ~1-2% slower on ARM. Prefer the coded-tree approach then.
 #define USE_GENERIC_TREE 1   // ALTERNATE_CODE
 #else

thirdparty/libwebp/src/dec/vp8_dec.c

@@ -494,6 +494,8 @@ static int GetCoeffsAlt(VP8BitReader* const br,
   return 16;
 }
 
+extern VP8CPUInfo VP8GetCPUInfo;
+
 WEBP_DSP_INIT_FUNC(InitGetCoeffs) {
   if (VP8GetCPUInfo != NULL && VP8GetCPUInfo(kSlowSSSE3)) {
     GetCoeffs = GetCoeffsAlt;

thirdparty/libwebp/src/dec/vp8i_dec.h

@@ -32,7 +32,7 @@ extern "C" {
 // version numbers
 #define DEC_MAJ_VERSION 1
 #define DEC_MIN_VERSION 3
-#define DEC_REV_VERSION 0
+#define DEC_REV_VERSION 1
 
 // YUV-cache parameters. Cache is 32-bytes wide (= one cacheline).
 // Constraints are: We need to store one 16x16 block of luma samples (y),

thirdparty/libwebp/src/dec/webp_dec.c

@@ -658,6 +658,12 @@ uint8_t* WebPDecodeBGRA(const uint8_t* data, size_t data_size,
 uint8_t* WebPDecodeYUV(const uint8_t* data, size_t data_size,
                        int* width, int* height, uint8_t** u, uint8_t** v,
                        int* stride, int* uv_stride) {
+  // data, width and height are checked by Decode().
+  if (u == NULL || v == NULL || stride == NULL || uv_stride == NULL) {
+    return NULL;
+  }
+
+  {
     WebPDecBuffer output;   // only to preserve the side-infos
     uint8_t* const out = Decode(MODE_YUV, data, data_size,
                                 width, height, &output);
@@ -672,6 +678,7 @@ uint8_t* WebPDecodeYUV(const uint8_t* data, size_t data_size,
     }
     return out;
   }
+}
 
 static void DefaultFeatures(WebPBitstreamFeatures* const features) {
   assert(features != NULL);

thirdparty/libwebp/src/demux/demux.c

@@ -25,7 +25,7 @@
 
 #define DMUX_MAJ_VERSION 1
 #define DMUX_MIN_VERSION 3
-#define DMUX_REV_VERSION 0
+#define DMUX_REV_VERSION 1
 
 typedef struct {
   size_t start_;        // start location of the data

thirdparty/libwebp/src/dsp/alpha_processing.c

@@ -425,6 +425,7 @@ void (*WebPAlphaReplace)(uint32_t* src, int length, uint32_t color);
 //------------------------------------------------------------------------------
 // Init function
 
+extern VP8CPUInfo VP8GetCPUInfo;
 extern void WebPInitAlphaProcessingMIPSdspR2(void);
 extern void WebPInitAlphaProcessingSSE2(void);
 extern void WebPInitAlphaProcessingSSE41(void);

thirdparty/libwebp/src/dsp/cost.c

@@ -374,6 +374,7 @@ static void SetResidualCoeffs_C(const int16_t* const coeffs,
 VP8GetResidualCostFunc VP8GetResidualCost;
 VP8SetResidualCoeffsFunc VP8SetResidualCoeffs;
 
+extern VP8CPUInfo VP8GetCPUInfo;
 extern void VP8EncDspCostInitMIPS32(void);
 extern void VP8EncDspCostInitMIPSdspR2(void);
 extern void VP8EncDspCostInitSSE2(void);

thirdparty/libwebp/src/dsp/cost_neon.c

@@ -29,7 +29,7 @@ static void SetResidualCoeffs_NEON(const int16_t* const coeffs,
   const uint8x16_t eob = vcombine_u8(vqmovn_u16(eob_0), vqmovn_u16(eob_1));
   const uint8x16_t masked = vandq_u8(eob, vld1q_u8(position));
 
-#ifdef __aarch64__
+#if WEBP_AARCH64
   res->last = vmaxvq_u8(masked) - 1;
 #else
   const uint8x8_t eob_8x8 = vmax_u8(vget_low_u8(masked), vget_high_u8(masked));
@@ -43,7 +43,7 @@ static void SetResidualCoeffs_NEON(const int16_t* const coeffs,
 
   vst1_lane_s32(&res->last, vreinterpret_s32_u32(eob_32x2), 0);
   --res->last;
-#endif  // __aarch64__
+#endif  // WEBP_AARCH64
 
   res->coeffs = coeffs;
 }

thirdparty/libwebp/src/dsp/cpu.c

@@ -173,6 +173,7 @@ static int x86CPUInfo(CPUFeature feature) {
   }
   return 0;
 }
+WEBP_EXTERN VP8CPUInfo VP8GetCPUInfo;
 VP8CPUInfo VP8GetCPUInfo = x86CPUInfo;
 #elif defined(WEBP_ANDROID_NEON)  // NB: needs to be before generic NEON test.
 static int AndroidCPUInfo(CPUFeature feature) {
@@ -184,6 +185,7 @@ static int AndroidCPUInfo(CPUFeature feature) {
   }
   return 0;
 }
+WEBP_EXTERN VP8CPUInfo VP8GetCPUInfo;
 VP8CPUInfo VP8GetCPUInfo = AndroidCPUInfo;
 #elif defined(EMSCRIPTEN) // also needs to be before generic NEON test
 // Use compile flags as an indicator of SIMD support instead of a runtime check.
@@ -208,6 +210,7 @@ static int wasmCPUInfo(CPUFeature feature) {
   }
   return 0;
 }
+WEBP_EXTERN VP8CPUInfo VP8GetCPUInfo;
 VP8CPUInfo VP8GetCPUInfo = wasmCPUInfo;
 #elif defined(WEBP_HAVE_NEON)
 // In most cases this function doesn't check for NEON support (it's assumed by
@@ -236,6 +239,7 @@ static int armCPUInfo(CPUFeature feature) {
   return 1;
 #endif
 }
+WEBP_EXTERN VP8CPUInfo VP8GetCPUInfo;
 VP8CPUInfo VP8GetCPUInfo = armCPUInfo;
 #elif defined(WEBP_USE_MIPS32) || defined(WEBP_USE_MIPS_DSP_R2) || \
       defined(WEBP_USE_MSA)
@@ -247,7 +251,9 @@ static int mipsCPUInfo(CPUFeature feature) {
   }
 
 }
+WEBP_EXTERN VP8CPUInfo VP8GetCPUInfo;
 VP8CPUInfo VP8GetCPUInfo = mipsCPUInfo;
 #else
+WEBP_EXTERN VP8CPUInfo VP8GetCPUInfo;
 VP8CPUInfo VP8GetCPUInfo = NULL;
 #endif

thirdparty/libwebp/src/dsp/cpu.h

@@ -43,6 +43,9 @@
 #define __has_builtin(x) 0
 #endif
 
+//------------------------------------------------------------------------------
+// x86 defines.
+
 #if !defined(HAVE_CONFIG_H)
 #if defined(_MSC_VER) && _MSC_VER > 1310 && \
     (defined(_M_X64) || defined(_M_IX86))
@@ -80,6 +83,9 @@
 #undef WEBP_MSC_SSE41
 #undef WEBP_MSC_SSE2
 
+//------------------------------------------------------------------------------
+// Arm defines.
+
 // The intrinsics currently cause compiler errors with arm-nacl-gcc and the
 // inline assembly would need to be modified for use with Native Client.
 #if ((defined(__ARM_NEON__) || defined(__aarch64__)) &&       \
@@ -98,16 +104,26 @@
 // inclusion of arm64_neon.h; Visual Studio 2019 includes this file in
 // arm_neon.h. Compile errors were seen with Visual Studio 2019 16.4 with
 // vtbl4_u8(); a fix was made in 16.6.
-#if defined(_MSC_VER) && ((_MSC_VER >= 1700 && defined(_M_ARM)) || \
+#if defined(_MSC_VER) && \
-                          (_MSC_VER >= 1926 && defined(_M_ARM64)))
+    ((_MSC_VER >= 1700 && defined(_M_ARM)) || \
+     (_MSC_VER >= 1926 && (defined(_M_ARM64) || defined(_M_ARM64EC))))
 #define WEBP_USE_NEON
 #define WEBP_USE_INTRINSICS
 #endif
 
+#if defined(__aarch64__) || defined(_M_ARM64) || defined(_M_ARM64EC)
+#define WEBP_AARCH64 1
+#else
+#define WEBP_AARCH64 0
+#endif
+
 #if defined(WEBP_USE_NEON) && !defined(WEBP_HAVE_NEON)
 #define WEBP_HAVE_NEON
 #endif
 
+//------------------------------------------------------------------------------
+// MIPS defines.
+
 #if defined(__mips__) && !defined(__mips64) && defined(__mips_isa_rev) && \
     (__mips_isa_rev >= 1) && (__mips_isa_rev < 6)
 #define WEBP_USE_MIPS32
@@ -123,6 +139,8 @@
 #define WEBP_USE_MSA
 #endif
 
+//------------------------------------------------------------------------------
+
 #ifndef WEBP_DSP_OMIT_C_CODE
 #define WEBP_DSP_OMIT_C_CODE 1
 #endif
@@ -133,13 +151,14 @@
 #define WEBP_NEON_OMIT_C_CODE 0
 #endif
 
-#if !(LOCAL_CLANG_PREREQ(3, 8) || LOCAL_GCC_PREREQ(4, 8) || \
+#if !(LOCAL_CLANG_PREREQ(3, 8) || LOCAL_GCC_PREREQ(4, 8) || WEBP_AARCH64)
-      defined(__aarch64__))
 #define WEBP_NEON_WORK_AROUND_GCC 1
 #else
 #define WEBP_NEON_WORK_AROUND_GCC 0
 #endif
 
+//------------------------------------------------------------------------------
+
 // This macro prevents thread_sanitizer from reporting known concurrent writes.
 #define WEBP_TSAN_IGNORE_FUNCTION
 #if defined(__has_feature)
@@ -241,16 +260,7 @@ typedef enum {
   kMSA
 } CPUFeature;
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 // returns true if the CPU supports the feature.
 typedef int (*VP8CPUInfo)(CPUFeature feature);
-WEBP_EXTERN VP8CPUInfo VP8GetCPUInfo;
-
-#ifdef __cplusplus
-}    // extern "C"
-#endif
 
 #endif  // WEBP_DSP_CPU_H_

thirdparty/libwebp/src/dsp/dec.c

@@ -734,6 +734,7 @@ VP8SimpleFilterFunc VP8SimpleHFilter16i;
 void (*VP8DitherCombine8x8)(const uint8_t* dither, uint8_t* dst,
                             int dst_stride);
 
+extern VP8CPUInfo VP8GetCPUInfo;
 extern void VP8DspInitSSE2(void);
 extern void VP8DspInitSSE41(void);
 extern void VP8DspInitNEON(void);

thirdparty/libwebp/src/dsp/dec_neon.c

@@ -1428,7 +1428,7 @@ static WEBP_INLINE void DC8_NEON(uint8_t* dst, int do_top, int do_left) {
 
   if (do_top) {
     const uint8x8_t A = vld1_u8(dst - BPS);  // top row
-#if defined(__aarch64__)
+#if WEBP_AARCH64
     const uint16_t p2 = vaddlv_u8(A);
     sum_top = vdupq_n_u16(p2);
 #else
@@ -1511,7 +1511,7 @@ static WEBP_INLINE void DC16_NEON(uint8_t* dst, int do_top, int do_left) {
 
   if (do_top) {
     const uint8x16_t A = vld1q_u8(dst - BPS);  // top row
-#if defined(__aarch64__)
+#if WEBP_AARCH64
     const uint16_t p3 = vaddlvq_u8(A);
     sum_top = vdupq_n_u16(p3);
 #else

thirdparty/libwebp/src/dsp/enc.c

@@ -732,6 +732,7 @@ VP8QuantizeBlockWHT VP8EncQuantizeBlockWHT;
 VP8BlockCopy VP8Copy4x4;
 VP8BlockCopy VP8Copy16x8;
 
+extern VP8CPUInfo VP8GetCPUInfo;
 extern void VP8EncDspInitSSE2(void);
 extern void VP8EncDspInitSSE41(void);
 extern void VP8EncDspInitNEON(void);

thirdparty/libwebp/src/dsp/enc_neon.c

@@ -764,7 +764,7 @@ static WEBP_INLINE void AccumulateSSE16_NEON(const uint8_t* const a,
 
 // Horizontal sum of all four uint32_t values in 'sum'.
 static int SumToInt_NEON(uint32x4_t sum) {
-#if defined(__aarch64__)
+#if WEBP_AARCH64
   return (int)vaddvq_u32(sum);
 #else
   const uint64x2_t sum2 = vpaddlq_u32(sum);
@@ -865,7 +865,7 @@ static int QuantizeBlock_NEON(int16_t in[16], int16_t out[16],
   uint8x8x4_t shuffles;
   // vtbl?_u8 are marked unavailable for iOS arm64 with Xcode < 6.3, use
   // non-standard versions there.
-#if defined(__APPLE__) && defined(__aarch64__) && \
+#if defined(__APPLE__) && WEBP_AARCH64 && \
     defined(__apple_build_version__) && (__apple_build_version__< 6020037)
   uint8x16x2_t all_out;
   INIT_VECTOR2(all_out, vreinterpretq_u8_s16(out0), vreinterpretq_u8_s16(out1));

thirdparty/libwebp/src/dsp/enc_sse2.c

@@ -25,9 +25,160 @@
 //------------------------------------------------------------------------------
 // Transforms (Paragraph 14.4)
 
-// Does one or two inverse transforms.
+// Does one inverse transform.
-static void ITransform_SSE2(const uint8_t* ref, const int16_t* in, uint8_t* dst,
+static void ITransform_One_SSE2(const uint8_t* ref, const int16_t* in,
-                            int do_two) {
+                                uint8_t* dst) {
+  // This implementation makes use of 16-bit fixed point versions of two
+  // multiply constants:
+  //    K1 = sqrt(2) * cos (pi/8) ~= 85627 / 2^16
+  //    K2 = sqrt(2) * sin (pi/8) ~= 35468 / 2^16
+  //
+  // To be able to use signed 16-bit integers, we use the following trick to
+  // have constants within range:
+  // - Associated constants are obtained by subtracting the 16-bit fixed point
+  //   version of one:
+  //      k = K - (1 << 16)  =>  K = k + (1 << 16)
+  //      K1 = 85267  =>  k1 =  20091
+  //      K2 = 35468  =>  k2 = -30068
+  // - The multiplication of a variable by a constant become the sum of the
+  //   variable and the multiplication of that variable by the associated
+  //   constant:
+  //      (x * K) >> 16 = (x * (k + (1 << 16))) >> 16 = ((x * k ) >> 16) + x
+  const __m128i k1k2 = _mm_set_epi16(-30068, -30068, -30068, -30068,
+                                     20091, 20091, 20091, 20091);
+  const __m128i k2k1 = _mm_set_epi16(20091, 20091, 20091, 20091,
+                                     -30068, -30068, -30068, -30068);
+  const __m128i zero = _mm_setzero_si128();
+  const __m128i zero_four = _mm_set_epi16(0, 0, 0, 0, 4, 4, 4, 4);
+  __m128i T01, T23;
+
+  // Load and concatenate the transform coefficients.
+  const __m128i in01 = _mm_loadu_si128((const __m128i*)&in[0]);
+  const __m128i in23 = _mm_loadu_si128((const __m128i*)&in[8]);
+  // a00 a10 a20 a30   a01 a11 a21 a31
+  // a02 a12 a22 a32   a03 a13 a23 a33
+
+  // Vertical pass and subsequent transpose.
+  {
+    const __m128i in1 = _mm_unpackhi_epi64(in01, in01);
+    const __m128i in3 = _mm_unpackhi_epi64(in23, in23);
+
+    // First pass, c and d calculations are longer because of the "trick"
+    // multiplications.
+    // c = MUL(in1, K2) - MUL(in3, K1) = MUL(in1, k2) - MUL(in3, k1) + in1 - in3
+    // d = MUL(in1, K1) + MUL(in3, K2) = MUL(in1, k1) + MUL(in3, k2) + in1 + in3
+    const __m128i a_d3 = _mm_add_epi16(in01, in23);
+    const __m128i b_c3 = _mm_sub_epi16(in01, in23);
+    const __m128i c1d1 = _mm_mulhi_epi16(in1, k2k1);
+    const __m128i c2d2 = _mm_mulhi_epi16(in3, k1k2);
+    const __m128i c3 = _mm_unpackhi_epi64(b_c3, b_c3);
+    const __m128i c4 = _mm_sub_epi16(c1d1, c2d2);
+    const __m128i c = _mm_add_epi16(c3, c4);
+    const __m128i d4u = _mm_add_epi16(c1d1, c2d2);
+    const __m128i du = _mm_add_epi16(a_d3, d4u);
+    const __m128i d = _mm_unpackhi_epi64(du, du);
+
+    // Second pass.
+    const __m128i comb_ab = _mm_unpacklo_epi64(a_d3, b_c3);
+    const __m128i comb_dc = _mm_unpacklo_epi64(d, c);
+
+    const __m128i tmp01 = _mm_add_epi16(comb_ab, comb_dc);
+    const __m128i tmp32 = _mm_sub_epi16(comb_ab, comb_dc);
+    const __m128i tmp23 = _mm_shuffle_epi32(tmp32, _MM_SHUFFLE(1, 0, 3, 2));
+
+    const __m128i transpose_0 = _mm_unpacklo_epi16(tmp01, tmp23);
+    const __m128i transpose_1 = _mm_unpackhi_epi16(tmp01, tmp23);
+    // a00 a20 a01 a21   a02 a22 a03 a23
+    // a10 a30 a11 a31   a12 a32 a13 a33
+
+    T01 = _mm_unpacklo_epi16(transpose_0, transpose_1);
+    T23 = _mm_unpackhi_epi16(transpose_0, transpose_1);
+    // a00 a10 a20 a30   a01 a11 a21 a31
+    // a02 a12 a22 a32   a03 a13 a23 a33
+  }
+
+  // Horizontal pass and subsequent transpose.
+  {
+    const __m128i T1 = _mm_unpackhi_epi64(T01, T01);
+    const __m128i T3 = _mm_unpackhi_epi64(T23, T23);
+
+    // First pass, c and d calculations are longer because of the "trick"
+    // multiplications.
+    const __m128i dc = _mm_add_epi16(T01, zero_four);
+
+    // c = MUL(T1, K2) - MUL(T3, K1) = MUL(T1, k2) - MUL(T3, k1) + T1 - T3
+    // d = MUL(T1, K1) + MUL(T3, K2) = MUL(T1, k1) + MUL(T3, k2) + T1 + T3
+    const __m128i a_d3 = _mm_add_epi16(dc, T23);
+    const __m128i b_c3 = _mm_sub_epi16(dc, T23);
+    const __m128i c1d1 = _mm_mulhi_epi16(T1, k2k1);
+    const __m128i c2d2 = _mm_mulhi_epi16(T3, k1k2);
+    const __m128i c3 = _mm_unpackhi_epi64(b_c3, b_c3);
+    const __m128i c4 = _mm_sub_epi16(c1d1, c2d2);
+    const __m128i c = _mm_add_epi16(c3, c4);
+    const __m128i d4u = _mm_add_epi16(c1d1, c2d2);
+    const __m128i du = _mm_add_epi16(a_d3, d4u);
+    const __m128i d = _mm_unpackhi_epi64(du, du);
+
+    // Second pass.
+    const __m128i comb_ab = _mm_unpacklo_epi64(a_d3, b_c3);
+    const __m128i comb_dc = _mm_unpacklo_epi64(d, c);
+
+    const __m128i tmp01 = _mm_add_epi16(comb_ab, comb_dc);
+    const __m128i tmp32 = _mm_sub_epi16(comb_ab, comb_dc);
+    const __m128i tmp23 = _mm_shuffle_epi32(tmp32, _MM_SHUFFLE(1, 0, 3, 2));
+
+    const __m128i shifted01 = _mm_srai_epi16(tmp01, 3);
+    const __m128i shifted23 = _mm_srai_epi16(tmp23, 3);
+    // a00 a01 a02 a03   a10 a11 a12 a13
+    // a20 a21 a22 a23   a30 a31 a32 a33
+
+    const __m128i transpose_0 = _mm_unpacklo_epi16(shifted01, shifted23);
+    const __m128i transpose_1 = _mm_unpackhi_epi16(shifted01, shifted23);
+    // a00 a20 a01 a21   a02 a22 a03 a23
+    // a10 a30 a11 a31   a12 a32 a13 a33
+
+    T01 = _mm_unpacklo_epi16(transpose_0, transpose_1);
+    T23 = _mm_unpackhi_epi16(transpose_0, transpose_1);
+    // a00 a10 a20 a30   a01 a11 a21 a31
+    // a02 a12 a22 a32   a03 a13 a23 a33
+  }
+
+  // Add inverse transform to 'ref' and store.
+  {
+    // Load the reference(s).
+    __m128i ref01, ref23, ref0123;
+    int32_t buf[4];
+
+    // Load four bytes/pixels per line.
+    const __m128i ref0 = _mm_cvtsi32_si128(WebPMemToInt32(&ref[0 * BPS]));
+    const __m128i ref1 = _mm_cvtsi32_si128(WebPMemToInt32(&ref[1 * BPS]));
+    const __m128i ref2 = _mm_cvtsi32_si128(WebPMemToInt32(&ref[2 * BPS]));
+    const __m128i ref3 = _mm_cvtsi32_si128(WebPMemToInt32(&ref[3 * BPS]));
+    ref01 = _mm_unpacklo_epi32(ref0, ref1);
+    ref23 = _mm_unpacklo_epi32(ref2, ref3);
+
+    // Convert to 16b.
+    ref01 = _mm_unpacklo_epi8(ref01, zero);
+    ref23 = _mm_unpacklo_epi8(ref23, zero);
+    // Add the inverse transform(s).
+    ref01 = _mm_add_epi16(ref01, T01);
+    ref23 = _mm_add_epi16(ref23, T23);
+    // Unsigned saturate to 8b.
+    ref0123 = _mm_packus_epi16(ref01, ref23);
+
+    _mm_storeu_si128((__m128i *)buf, ref0123);
+
+    // Store four bytes/pixels per line.
+    WebPInt32ToMem(&dst[0 * BPS], buf[0]);
+    WebPInt32ToMem(&dst[1 * BPS], buf[1]);
+    WebPInt32ToMem(&dst[2 * BPS], buf[2]);
+    WebPInt32ToMem(&dst[3 * BPS], buf[3]);
+  }
+}
+
+// Does two inverse transforms.
+static void ITransform_Two_SSE2(const uint8_t* ref, const int16_t* in,
+                                uint8_t* dst) {
   // This implementation makes use of 16-bit fixed point versions of two
   // multiply constants:
   //    K1 = sqrt(2) * cos (pi/8) ~= 85627 / 2^16
@@ -49,34 +200,22 @@ static void ITransform_SSE2(const uint8_t* ref, const int16_t* in, uint8_t* dst,
   __m128i T0, T1, T2, T3;
 
   // Load and concatenate the transform coefficients (we'll do two inverse
-  // transforms in parallel). In the case of only one inverse transform, the
+  // transforms in parallel).
-  // second half of the vectors will just contain random value we'll never
-  // use nor store.
   __m128i in0, in1, in2, in3;
   {
-    in0 = _mm_loadl_epi64((const __m128i*)&in[0]);
+    const __m128i tmp0 = _mm_loadu_si128((const __m128i*)&in[0]);
-    in1 = _mm_loadl_epi64((const __m128i*)&in[4]);
+    const __m128i tmp1 = _mm_loadu_si128((const __m128i*)&in[8]);
-    in2 = _mm_loadl_epi64((const __m128i*)&in[8]);
+    const __m128i tmp2 = _mm_loadu_si128((const __m128i*)&in[16]);
-    in3 = _mm_loadl_epi64((const __m128i*)&in[12]);
+    const __m128i tmp3 = _mm_loadu_si128((const __m128i*)&in[24]);
-    // a00 a10 a20 a30   x x x x
+    in0 = _mm_unpacklo_epi64(tmp0, tmp2);
-    // a01 a11 a21 a31   x x x x
+    in1 = _mm_unpackhi_epi64(tmp0, tmp2);
-    // a02 a12 a22 a32   x x x x
+    in2 = _mm_unpacklo_epi64(tmp1, tmp3);
-    // a03 a13 a23 a33   x x x x
+    in3 = _mm_unpackhi_epi64(tmp1, tmp3);
-    if (do_two) {
-      const __m128i inB0 = _mm_loadl_epi64((const __m128i*)&in[16]);
-      const __m128i inB1 = _mm_loadl_epi64((const __m128i*)&in[20]);
-      const __m128i inB2 = _mm_loadl_epi64((const __m128i*)&in[24]);
-      const __m128i inB3 = _mm_loadl_epi64((const __m128i*)&in[28]);
-      in0 = _mm_unpacklo_epi64(in0, inB0);
-      in1 = _mm_unpacklo_epi64(in1, inB1);
-      in2 = _mm_unpacklo_epi64(in2, inB2);
-      in3 = _mm_unpacklo_epi64(in3, inB3);
     // a00 a10 a20 a30   b00 b10 b20 b30
     // a01 a11 a21 a31   b01 b11 b21 b31
     // a02 a12 a22 a32   b02 b12 b22 b32
     // a03 a13 a23 a33   b03 b13 b23 b33
   }
-  }
 
   // Vertical pass and subsequent transpose.
   {
@@ -148,19 +287,11 @@ static void ITransform_SSE2(const uint8_t* ref, const int16_t* in, uint8_t* dst,
     const __m128i zero = _mm_setzero_si128();
     // Load the reference(s).
     __m128i ref0, ref1, ref2, ref3;
-    if (do_two) {
     // Load eight bytes/pixels per line.
     ref0 = _mm_loadl_epi64((const __m128i*)&ref[0 * BPS]);
     ref1 = _mm_loadl_epi64((const __m128i*)&ref[1 * BPS]);
     ref2 = _mm_loadl_epi64((const __m128i*)&ref[2 * BPS]);
     ref3 = _mm_loadl_epi64((const __m128i*)&ref[3 * BPS]);
-    } else {
-      // Load four bytes/pixels per line.
-      ref0 = _mm_cvtsi32_si128(WebPMemToInt32(&ref[0 * BPS]));
-      ref1 = _mm_cvtsi32_si128(WebPMemToInt32(&ref[1 * BPS]));
-      ref2 = _mm_cvtsi32_si128(WebPMemToInt32(&ref[2 * BPS]));
-      ref3 = _mm_cvtsi32_si128(WebPMemToInt32(&ref[3 * BPS]));
-    }
     // Convert to 16b.
     ref0 = _mm_unpacklo_epi8(ref0, zero);
     ref1 = _mm_unpacklo_epi8(ref1, zero);
@@ -176,21 +307,22 @@ static void ITransform_SSE2(const uint8_t* ref, const int16_t* in, uint8_t* dst,
     ref1 = _mm_packus_epi16(ref1, ref1);
     ref2 = _mm_packus_epi16(ref2, ref2);
     ref3 = _mm_packus_epi16(ref3, ref3);
-    // Store the results.
-    if (do_two) {
     // Store eight bytes/pixels per line.
     _mm_storel_epi64((__m128i*)&dst[0 * BPS], ref0);
     _mm_storel_epi64((__m128i*)&dst[1 * BPS], ref1);
     _mm_storel_epi64((__m128i*)&dst[2 * BPS], ref2);
     _mm_storel_epi64((__m128i*)&dst[3 * BPS], ref3);
-    } else {
-      // Store four bytes/pixels per line.
-      WebPInt32ToMem(&dst[0 * BPS], _mm_cvtsi128_si32(ref0));
-      WebPInt32ToMem(&dst[1 * BPS], _mm_cvtsi128_si32(ref1));
-      WebPInt32ToMem(&dst[2 * BPS], _mm_cvtsi128_si32(ref2));
-      WebPInt32ToMem(&dst[3 * BPS], _mm_cvtsi128_si32(ref3));
   }
 }
+
+// Does one or two inverse transforms.
+static void ITransform_SSE2(const uint8_t* ref, const int16_t* in, uint8_t* dst,
+                            int do_two) {
+  if (do_two) {
+    ITransform_Two_SSE2(ref, in, dst);
+  } else {
+    ITransform_One_SSE2(ref, in, dst);
+  }
 }
 
 static void FTransformPass1_SSE2(const __m128i* const in01,

thirdparty/libwebp/src/dsp/filters.c

@@ -233,6 +233,7 @@ static void GradientUnfilter_C(const uint8_t* prev, const uint8_t* in,
 WebPFilterFunc WebPFilters[WEBP_FILTER_LAST];
 WebPUnfilterFunc WebPUnfilters[WEBP_FILTER_LAST];
 
+extern VP8CPUInfo VP8GetCPUInfo;
 extern void VP8FiltersInitMIPSdspR2(void);
 extern void VP8FiltersInitMSA(void);
 extern void VP8FiltersInitNEON(void);

thirdparty/libwebp/src/dsp/lossless.c

@@ -588,6 +588,7 @@ VP8LConvertFunc VP8LConvertBGRAToBGR;
 VP8LMapARGBFunc VP8LMapColor32b;
 VP8LMapAlphaFunc VP8LMapColor8b;
 
+extern VP8CPUInfo VP8GetCPUInfo;
 extern void VP8LDspInitSSE2(void);
 extern void VP8LDspInitSSE41(void);
 extern void VP8LDspInitNEON(void);

thirdparty/libwebp/src/dsp/lossless_enc.c

@@ -791,6 +791,7 @@ VP8LBundleColorMapFunc VP8LBundleColorMap;
 VP8LPredictorAddSubFunc VP8LPredictorsSub[16];
 VP8LPredictorAddSubFunc VP8LPredictorsSub_C[16];
 
+extern VP8CPUInfo VP8GetCPUInfo;
 extern void VP8LEncDspInitSSE2(void);
 extern void VP8LEncDspInitSSE41(void);
 extern void VP8LEncDspInitNEON(void);

thirdparty/libwebp/src/dsp/lossless_enc_neon.c

@@ -25,7 +25,7 @@
 
 // vtbl?_u8 are marked unavailable for iOS arm64 with Xcode < 6.3, use
 // non-standard versions there.
-#if defined(__APPLE__) && defined(__aarch64__) && \
+#if defined(__APPLE__) && WEBP_AARCH64 && \
     defined(__apple_build_version__) && (__apple_build_version__< 6020037)
 #define USE_VTBLQ
 #endif

thirdparty/libwebp/src/dsp/lossless_neon.c

@@ -498,7 +498,7 @@ static void PredictorAdd13_NEON(const uint32_t* in, const uint32_t* upper,
 
 // vtbl?_u8 are marked unavailable for iOS arm64 with Xcode < 6.3, use
 // non-standard versions there.
-#if defined(__APPLE__) && defined(__aarch64__) && \
+#if defined(__APPLE__) && WEBP_AARCH64 && \
     defined(__apple_build_version__) && (__apple_build_version__< 6020037)
 #define USE_VTBLQ
 #endif

thirdparty/libwebp/src/dsp/neon.h

@@ -21,7 +21,7 @@
 // Right now, some intrinsics functions seem slower, so we disable them
 // everywhere except newer clang/gcc or aarch64 where the inline assembly is
 // incompatible.
-#if LOCAL_CLANG_PREREQ(3,8) || LOCAL_GCC_PREREQ(4,9) || defined(__aarch64__)
+#if LOCAL_CLANG_PREREQ(3, 8) || LOCAL_GCC_PREREQ(4, 9) || WEBP_AARCH64
 #define WEBP_USE_INTRINSICS   // use intrinsics when possible
 #endif
 
@@ -46,7 +46,7 @@
 // if using intrinsics, this flag avoids some functions that make gcc-4.6.3
 // crash ("internal compiler error: in immed_double_const, at emit-rtl.").
 // (probably similar to gcc.gnu.org/bugzilla/show_bug.cgi?id=48183)
-#if !(LOCAL_CLANG_PREREQ(3,8) || LOCAL_GCC_PREREQ(4,8) || defined(__aarch64__))
+#if !(LOCAL_CLANG_PREREQ(3, 8) || LOCAL_GCC_PREREQ(4, 8) || WEBP_AARCH64)
 #define WORK_AROUND_GCC
 #endif
 

thirdparty/libwebp/src/dsp/quant.h

@@ -22,7 +22,7 @@
 #define IsFlat IsFlat_NEON
 
 static uint32_t horizontal_add_uint32x4(const uint32x4_t a) {
-#if defined(__aarch64__)
+#if WEBP_AARCH64
   return vaddvq_u32(a);
 #else
   const uint64x2_t b = vpaddlq_u32(a);

thirdparty/libwebp/src/dsp/rescaler.c

@@ -197,6 +197,7 @@ WebPRescalerImportRowFunc WebPRescalerImportRowShrink;
 WebPRescalerExportRowFunc WebPRescalerExportRowExpand;
 WebPRescalerExportRowFunc WebPRescalerExportRowShrink;
 
+extern VP8CPUInfo VP8GetCPUInfo;
 extern void WebPRescalerDspInitSSE2(void);
 extern void WebPRescalerDspInitMIPS32(void);
 extern void WebPRescalerDspInitMIPSdspR2(void);

thirdparty/libwebp/src/dsp/ssim.c

@@ -137,6 +137,7 @@ VP8SSIMGetClippedFunc VP8SSIMGetClipped;
 VP8AccumulateSSEFunc VP8AccumulateSSE;
 #endif
 
+extern VP8CPUInfo VP8GetCPUInfo;
 extern void VP8SSIMDspInitSSE2(void);
 
 WEBP_DSP_INIT_FUNC(VP8SSIMDspInit) {

thirdparty/libwebp/src/dsp/upsampling.c

@@ -215,6 +215,7 @@ static void EmptyYuv444Func(const uint8_t* y,
 
 WebPYUV444Converter WebPYUV444Converters[MODE_LAST];
 
+extern VP8CPUInfo VP8GetCPUInfo;
 extern void WebPInitYUV444ConvertersMIPSdspR2(void);
 extern void WebPInitYUV444ConvertersSSE2(void);
 extern void WebPInitYUV444ConvertersSSE41(void);

thirdparty/libwebp/src/dsp/upsampling_neon.c

@@ -111,7 +111,7 @@ static const int16_t kCoeffs1[4] = { 19077, 26149, 6419, 13320 };
   vst4_u8(out, v255_r_g_b);                                             \
 } while (0)
 
-#if !defined(WEBP_SWAP_16BIT_CSP)
+#if (WEBP_SWAP_16BIT_CSP == 0)
 #define ZIP_U8(lo, hi) vzip_u8((lo), (hi))
 #else
 #define ZIP_U8(lo, hi) vzip_u8((hi), (lo))

thirdparty/libwebp/src/dsp/yuv.c

@@ -70,6 +70,7 @@ void WebPSamplerProcessPlane(const uint8_t* y, int y_stride,
 
 WebPSamplerRowFunc WebPSamplers[MODE_LAST];
 
+extern VP8CPUInfo VP8GetCPUInfo;
 extern void WebPInitSamplersSSE2(void);
 extern void WebPInitSamplersSSE41(void);
 extern void WebPInitSamplersMIPS32(void);

thirdparty/libwebp/src/enc/alpha_enc.c

@@ -13,6 +13,7 @@
 
 #include <assert.h>
 #include <stdlib.h>
+#include <string.h>
 
 #include "src/enc/vp8i_enc.h"
 #include "src/dsp/dsp.h"
@@ -140,6 +141,11 @@ static int EncodeAlphaInternal(const uint8_t* const data, int width, int height,
                               !reduce_levels, &tmp_bw, &result->stats);
     if (ok) {
       output = VP8LBitWriterFinish(&tmp_bw);
+      if (tmp_bw.error_) {
+        VP8LBitWriterWipeOut(&tmp_bw);
+        memset(&result->bw, 0, sizeof(result->bw));
+        return 0;
+      }
       output_size = VP8LBitWriterNumBytes(&tmp_bw);
       if (output_size > data_size) {
         // compressed size is larger than source! Revert to uncompressed mode.
@@ -148,6 +154,7 @@ static int EncodeAlphaInternal(const uint8_t* const data, int width, int height,
       }
     } else {
       VP8LBitWriterWipeOut(&tmp_bw);
+      memset(&result->bw, 0, sizeof(result->bw));
       return 0;
     }
   }
@@ -162,7 +169,7 @@ static int EncodeAlphaInternal(const uint8_t* const data, int width, int height,
   header = method | (filter << 2);
   if (reduce_levels) header |= ALPHA_PREPROCESSED_LEVELS << 4;
 
-  VP8BitWriterInit(&result->bw, ALPHA_HEADER_LEN + output_size);
+  if (!VP8BitWriterInit(&result->bw, ALPHA_HEADER_LEN + output_size)) ok = 0;
   ok = ok && VP8BitWriterAppend(&result->bw, &header, ALPHA_HEADER_LEN);
   ok = ok && VP8BitWriterAppend(&result->bw, output, output_size);
 
@@ -312,11 +319,11 @@ static int EncodeAlpha(VP8Encoder* const enc,
   assert(filter >= WEBP_FILTER_NONE && filter <= WEBP_FILTER_FAST);
 
   if (quality < 0 || quality > 100) {
-    return 0;
+    return WebPEncodingSetError(pic, VP8_ENC_ERROR_INVALID_CONFIGURATION);
   }
 
   if (method < ALPHA_NO_COMPRESSION || method > ALPHA_LOSSLESS_COMPRESSION) {
-    return 0;
+    return WebPEncodingSetError(pic, VP8_ENC_ERROR_INVALID_CONFIGURATION);
   }
 
   if (method == ALPHA_NO_COMPRESSION) {
@@ -326,7 +333,7 @@ static int EncodeAlpha(VP8Encoder* const enc,
 
   quant_alpha = (uint8_t*)WebPSafeMalloc(1ULL, data_size);
   if (quant_alpha == NULL) {
-    return 0;
+    return WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY);
   }
 
   // Extract alpha data (width x height) from raw_data (stride x height).
@@ -346,6 +353,9 @@ static int EncodeAlpha(VP8Encoder* const enc,
     ok = ApplyFiltersAndEncode(quant_alpha, width, height, data_size, method,
                                filter, reduce_levels, effort_level, output,
                                output_size, pic->stats);
+    if (!ok) {
+      WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY);  // imprecise
+    }
 #if !defined(WEBP_DISABLE_STATS)
     if (pic->stats != NULL) {  // need stats?
       pic->stats->coded_size += (int)(*output_size);
@@ -405,7 +415,7 @@ int VP8EncStartAlpha(VP8Encoder* const enc) {
       WebPWorker* const worker = &enc->alpha_worker_;
       // Makes sure worker is good to go.
       if (!WebPGetWorkerInterface()->Reset(worker)) {
-        return 0;
+        return WebPEncodingSetError(enc->pic_, VP8_ENC_ERROR_OUT_OF_MEMORY);
       }
       WebPGetWorkerInterface()->Launch(worker);
       return 1;

thirdparty/libwebp/src/enc/analysis_enc.c

@@ -474,6 +474,10 @@ int VP8EncAnalyze(VP8Encoder* const enc) {
   } else {   // Use only one default segment.
     ResetAllMBInfo(enc);
   }
+  if (!ok) {
+    return WebPEncodingSetError(enc->pic_,
+                                VP8_ENC_ERROR_OUT_OF_MEMORY);  // imprecise
+  }
   return ok;
 }
 

thirdparty/libwebp/src/enc/backward_references_enc.c

@@ -283,8 +283,7 @@ int VP8LHashChainFill(VP8LHashChain* const p, int quality,
   hash_to_first_index =
       (int32_t*)WebPSafeMalloc(HASH_SIZE, sizeof(*hash_to_first_index));
   if (hash_to_first_index == NULL) {
-    WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY);
+    return WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY);
-    return 0;
   }
 
   percent_range = remaining_percent / 2;
@@ -1050,8 +1049,7 @@ int VP8LGetBackwardReferences(
     refs_best = GetBackwardReferencesLowEffort(
         width, height, argb, cache_bits_best, hash_chain, refs);
     if (refs_best == NULL) {
-      WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY);
+      return WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY);
-      return 0;
     }
     // Set it in first position.
     BackwardRefsSwap(refs_best, &refs[0]);
@@ -1059,8 +1057,7 @@ int VP8LGetBackwardReferences(
     if (!GetBackwardReferences(width, height, argb, quality, lz77_types_to_try,
                                cache_bits_max, do_no_cache, hash_chain, refs,
                                cache_bits_best)) {
-      WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY);
+      return WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY);
-      return 0;
     }
   }
 

thirdparty/libwebp/src/enc/frame_enc.c

@@ -689,7 +689,7 @@ static int PreLoopInitialize(VP8Encoder* const enc) {
   }
   if (!ok) {
     VP8EncFreeBitWriters(enc);  // malloc error occurred
-    WebPEncodingSetError(enc->pic_, VP8_ENC_ERROR_OUT_OF_MEMORY);
+    return WebPEncodingSetError(enc->pic_, VP8_ENC_ERROR_OUT_OF_MEMORY);
   }
   return ok;
 }
@@ -719,6 +719,7 @@ static int PostLoopFinalize(VP8EncIterator* const it, int ok) {
   } else {
     // Something bad happened -> need to do some memory cleanup.
     VP8EncFreeBitWriters(enc);
+    return WebPEncodingSetError(enc->pic_, VP8_ENC_ERROR_OUT_OF_MEMORY);
   }
   return ok;
 }
@@ -754,6 +755,11 @@ int VP8EncLoop(VP8Encoder* const enc) {
     // *then* decide how to code the skip decision if there's one.
     if (!VP8Decimate(&it, &info, rd_opt) || dont_use_skip) {
       CodeResiduals(it.bw_, &it, &info);
+      if (it.bw_->error_) {
+        // enc->pic_->error_code is set in PostLoopFinalize().
+        ok = 0;
+        break;
+      }
     } else {   // reset predictors after a skip
       ResetAfterSkip(&it);
     }

thirdparty/libwebp/src/enc/picture_csp_enc.c

@@ -98,6 +98,7 @@ static int kLinearToGammaTab[GAMMA_TAB_SIZE + 1];
 static uint16_t kGammaToLinearTab[256];
 static volatile int kGammaTablesOk = 0;
 static void InitGammaTables(void);
+extern VP8CPUInfo VP8GetCPUInfo;
 
 WEBP_DSP_INIT_FUNC(InitGammaTables) {
   if (!kGammaTablesOk) {
@@ -534,7 +535,9 @@ static int ImportYUVAFromRGBA(const uint8_t* r_ptr,
     WebPInitConvertARGBToYUV();
     InitGammaTables();
 
-    if (tmp_rgb == NULL) return 0;  // malloc error
+    if (tmp_rgb == NULL) {
+      return WebPEncodingSetError(picture, VP8_ENC_ERROR_OUT_OF_MEMORY);
+    }
 
     // Downsample Y/U/V planes, two rows at a time
     for (y = 0; y < (height >> 1); ++y) {

thirdparty/libwebp/src/enc/picture_rescale_enc.c

@@ -137,7 +137,9 @@ int WebPPictureCrop(WebPPicture* pic,
   PictureGrabSpecs(pic, &tmp);
   tmp.width = width;
   tmp.height = height;
-  if (!WebPPictureAlloc(&tmp)) return 0;
+  if (!WebPPictureAlloc(&tmp)) {
+    return WebPEncodingSetError(pic, tmp.error_code);
+  }
 
   if (!pic->use_argb) {
     const int y_offset = top * pic->y_stride + left;
@@ -212,26 +214,28 @@ int WebPPictureRescale(WebPPicture* picture, int width, int height) {
   prev_height = picture->height;
   if (!WebPRescalerGetScaledDimensions(
           prev_width, prev_height, &width, &height)) {
-    return 0;
+    return WebPEncodingSetError(picture, VP8_ENC_ERROR_BAD_DIMENSION);
   }
 
   PictureGrabSpecs(picture, &tmp);
   tmp.width = width;
   tmp.height = height;
-  if (!WebPPictureAlloc(&tmp)) return 0;
+  if (!WebPPictureAlloc(&tmp)) {
+    return WebPEncodingSetError(picture, tmp.error_code);
+  }
 
   if (!picture->use_argb) {
     work = (rescaler_t*)WebPSafeMalloc(2ULL * width, sizeof(*work));
     if (work == NULL) {
       WebPPictureFree(&tmp);
-      return 0;
+      return WebPEncodingSetError(picture, VP8_ENC_ERROR_OUT_OF_MEMORY);
     }
     // If present, we need to rescale alpha first (for AlphaMultiplyY).
     if (picture->a != NULL) {
       WebPInitAlphaProcessing();
       if (!RescalePlane(picture->a, prev_width, prev_height, picture->a_stride,
                         tmp.a, width, height, tmp.a_stride, work, 1)) {
-        return 0;
+        return WebPEncodingSetError(picture, VP8_ENC_ERROR_BAD_DIMENSION);
       }
     }
 
@@ -246,14 +250,14 @@ int WebPPictureRescale(WebPPicture* picture, int width, int height) {
         !RescalePlane(picture->v, HALVE(prev_width), HALVE(prev_height),
                       picture->uv_stride, tmp.v, HALVE(width), HALVE(height),
                       tmp.uv_stride, work, 1)) {
-      return 0;
+      return WebPEncodingSetError(picture, VP8_ENC_ERROR_BAD_DIMENSION);
     }
     AlphaMultiplyY(&tmp, 1);
   } else {
     work = (rescaler_t*)WebPSafeMalloc(2ULL * width * 4, sizeof(*work));
     if (work == NULL) {
       WebPPictureFree(&tmp);
-      return 0;
+      return WebPEncodingSetError(picture, VP8_ENC_ERROR_OUT_OF_MEMORY);
     }
     // In order to correctly interpolate colors, we need to apply the alpha
     // weighting first (black-matting), scale the RGB values, and remove
@@ -263,7 +267,7 @@ int WebPPictureRescale(WebPPicture* picture, int width, int height) {
     if (!RescalePlane((const uint8_t*)picture->argb, prev_width, prev_height,
                       picture->argb_stride * 4, (uint8_t*)tmp.argb, width,
                       height, tmp.argb_stride * 4, work, 4)) {
-      return 0;
+      return WebPEncodingSetError(picture, VP8_ENC_ERROR_BAD_DIMENSION);
     }
     AlphaMultiplyARGB(&tmp, 1);
   }

thirdparty/libwebp/src/enc/syntax_enc.c

@@ -258,7 +258,10 @@ static int EmitPartitionsSize(const VP8Encoder* const enc,
     buf[3 * p + 1] = (part_size >>  8) & 0xff;
     buf[3 * p + 2] = (part_size >> 16) & 0xff;
   }
-  return p ? pic->writer(buf, 3 * p, pic) : 1;
+  if (p && !pic->writer(buf, 3 * p, pic)) {
+    return WebPEncodingSetError(pic, VP8_ENC_ERROR_BAD_WRITE);
+  }
+  return 1;
 }
 
 //------------------------------------------------------------------------------
@@ -381,6 +384,7 @@ int VP8EncWrite(VP8Encoder* const enc) {
 
   enc->coded_size_ = (int)(CHUNK_HEADER_SIZE + riff_size);
   ok = ok && WebPReportProgress(pic, final_percent, &enc->percent_);
+  if (!ok) WebPEncodingSetError(pic, VP8_ENC_ERROR_BAD_WRITE);
   return ok;
 }
 

thirdparty/libwebp/src/enc/vp8i_enc.h

@@ -32,7 +32,7 @@ extern "C" {
 // version numbers
 #define ENC_MAJ_VERSION 1
 #define ENC_MIN_VERSION 3
-#define ENC_REV_VERSION 0
+#define ENC_REV_VERSION 1
 
 enum { MAX_LF_LEVELS = 64,       // Maximum loop filter level
        MAX_VARIABLE_LEVEL = 67,  // last (inclusive) level with variable cost

thirdparty/libwebp/src/enc/vp8l_enc.c

@@ -196,8 +196,7 @@ static int CoOccurrenceBuild(const WebPPicture* const pic,
   uint32_t palette_sorted[MAX_PALETTE_SIZE];
   lines = (uint32_t*)WebPSafeMalloc(2 * pic->width, sizeof(*lines));
   if (lines == NULL) {
-    WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY);
+    return WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY);
-    return 0;
   }
   line_top = &lines[0];
   line_current = &lines[pic->width];
@@ -255,10 +254,10 @@ static int PaletteSortModifiedZeng(
   cooccurrence =
       (uint32_t*)WebPSafeCalloc(num_colors * num_colors, sizeof(*cooccurrence));
   if (cooccurrence == NULL) {
-    WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY);
+    return WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY);
-    return 0;
   }
   if (!CoOccurrenceBuild(pic, palette_sorted, num_colors, cooccurrence)) {
+    WebPSafeFree(cooccurrence);
     return 0;
   }
 
@@ -1012,8 +1011,7 @@ static int StoreImageToBitMask(
     VP8LRefsCursorNext(&c);
   }
   if (bw->error_) {
-    WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY);
+    return WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY);
-    return 0;
   }
   return 1;
 }
@@ -1297,7 +1295,10 @@ static int EncodeImageInternal(
           }
         }
         tokens = (HuffmanTreeToken*)WebPSafeMalloc(max_tokens, sizeof(*tokens));
-        if (tokens == NULL) goto Error;
+        if (tokens == NULL) {
+          WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY);
+          goto Error;
+        }
         for (i = 0; i < 5 * histogram_image_size; ++i) {
           HuffmanTreeCode* const codes = &huffman_codes[i];
           StoreHuffmanCode(bw, huff_tree, tokens, codes);
@@ -1448,18 +1449,21 @@ static int WriteImage(const WebPPicture* const pic, VP8LBitWriter* const bw,
   const size_t vp8l_size = VP8L_SIGNATURE_SIZE + webpll_size;
   const size_t pad = vp8l_size & 1;
   const size_t riff_size = TAG_SIZE + CHUNK_HEADER_SIZE + vp8l_size + pad;
+  *coded_size = 0;
+
+  if (bw->error_) {
+    return WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY);
+  }
 
   if (!WriteRiffHeader(pic, riff_size, vp8l_size) ||
       !pic->writer(webpll_data, webpll_size, pic)) {
-    WebPEncodingSetError(pic, VP8_ENC_ERROR_BAD_WRITE);
+    return WebPEncodingSetError(pic, VP8_ENC_ERROR_BAD_WRITE);
-    return 0;
   }
 
   if (pad) {
     const uint8_t pad_byte[1] = { 0 };
     if (!pic->writer(pad_byte, 1, pic)) {
-      WebPEncodingSetError(pic, VP8_ENC_ERROR_BAD_WRITE);
+      return WebPEncodingSetError(pic, VP8_ENC_ERROR_BAD_WRITE);
-      return 0;
     }
   }
   *coded_size = CHUNK_HEADER_SIZE + riff_size;
@@ -1504,8 +1508,7 @@ static int AllocateTransformBuffer(VP8LEncoder* const enc, int width,
     ClearTransformBuffer(enc);
     mem = (uint32_t*)WebPSafeMalloc(mem_size, sizeof(*mem));
     if (mem == NULL) {
-      WebPEncodingSetError(enc->pic_, VP8_ENC_ERROR_OUT_OF_MEMORY);
+      return WebPEncodingSetError(enc->pic_, VP8_ENC_ERROR_OUT_OF_MEMORY);
-      return 0;
     }
     enc->transform_mem_ = mem;
     enc->transform_mem_size_ = (size_t)mem_size;
@@ -1613,8 +1616,7 @@ static int ApplyPalette(const uint32_t* src, uint32_t src_stride, uint32_t* dst,
   int x, y;
 
   if (tmp_row == NULL) {
-    WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY);
+    return WebPEncodingSetError(pic, VP8_ENC_ERROR_OUT_OF_MEMORY);
-    return 0;
   }
 
   if (palette_size < APPLY_PALETTE_GREEDY_MAX) {
@@ -1968,9 +1970,8 @@ int VP8LEncodeStream(const WebPConfig* const config,
   int ok_main;
 
   if (enc_main == NULL || !VP8LBitWriterInit(&bw_side, 0)) {
-    WebPEncodingSetError(picture, VP8_ENC_ERROR_OUT_OF_MEMORY);
     VP8LEncoderDelete(enc_main);
-    return 0;
+    return WebPEncodingSetError(picture, VP8_ENC_ERROR_OUT_OF_MEMORY);
   }
 
   // Avoid "garbage value" error from Clang's static analysis tool.
@@ -2117,8 +2118,7 @@ int VP8LEncodeImage(const WebPConfig* const config,
   if (picture == NULL) return 0;
 
   if (config == NULL || picture->argb == NULL) {
-    WebPEncodingSetError(picture, VP8_ENC_ERROR_NULL_PARAMETER);
+    return WebPEncodingSetError(picture, VP8_ENC_ERROR_NULL_PARAMETER);
-    return 0;
   }
 
   width = picture->width;

thirdparty/libwebp/src/enc/webp_enc.c

@@ -307,7 +307,10 @@ int WebPEncodingSetError(const WebPPicture* const pic,
                          WebPEncodingError error) {
   assert((int)error < VP8_ENC_ERROR_LAST);
   assert((int)error >= VP8_ENC_OK);
+  // The oldest error reported takes precedence over the new one.
+  if (pic->error_code == VP8_ENC_OK) {
     ((WebPPicture*)pic)->error_code = error;
+  }
   return 0;
 }
 
@@ -317,8 +320,7 @@ int WebPReportProgress(const WebPPicture* const pic,
     *percent_store = percent;
     if (pic->progress_hook && !pic->progress_hook(percent, pic)) {
       // user abort requested
-      WebPEncodingSetError(pic, VP8_ENC_ERROR_USER_ABORT);
+      return WebPEncodingSetError(pic, VP8_ENC_ERROR_USER_ABORT);
-      return 0;
     }
   }
   return 1;  // ok
@@ -329,7 +331,7 @@ int WebPEncode(const WebPConfig* config, WebPPicture* pic) {
   int ok = 0;
   if (pic == NULL) return 0;
 
-  WebPEncodingSetError(pic, VP8_ENC_OK);  // all ok so far
+  pic->error_code = VP8_ENC_OK;  // all ok so far
   if (config == NULL) {  // bad params
     return WebPEncodingSetError(pic, VP8_ENC_ERROR_NULL_PARAMETER);
   }

thirdparty/libwebp/src/mux/muxi.h

@@ -29,7 +29,7 @@ extern "C" {
 
 #define MUX_MAJ_VERSION 1
 #define MUX_MIN_VERSION 3
-#define MUX_REV_VERSION 0
+#define MUX_REV_VERSION 1
 
 // Chunk object.
 typedef struct WebPChunk WebPChunk;

thirdparty/libwebp/src/mux/muxread.c

@@ -116,9 +116,12 @@ static int MuxImageParse(const WebPChunk* const chunk, int copy_data,
     // Each of ANMF chunk contain a header at the beginning. So, its size should
     // be at least 'hdr_size'.
     if (size < hdr_size) goto Fail;
-    ChunkAssignData(&subchunk, &temp, copy_data, chunk->tag_);
+    if (ChunkAssignData(&subchunk, &temp, copy_data,
+                        chunk->tag_) != WEBP_MUX_OK) {
+      goto Fail;
     }
-  ChunkSetHead(&subchunk, &wpi->header_);
+  }
+  if (ChunkSetHead(&subchunk, &wpi->header_) != WEBP_MUX_OK) goto Fail;
   wpi->is_partial_ = 1;  // Waiting for ALPH and/or VP8/VP8L chunks.
 
   // Rest of the chunks.

thirdparty/libwebp/src/utils/bit_reader_utils.c

@@ -15,6 +15,7 @@
 #include "src/webp/config.h"
 #endif
 
+#include "src/dsp/cpu.h"
 #include "src/utils/bit_reader_inl_utils.h"
 #include "src/utils/utils.h"
 
@@ -121,7 +122,7 @@ int32_t VP8GetSignedValue(VP8BitReader* const br, int bits,
 
 #define VP8L_LOG8_WBITS 4  // Number of bytes needed to store VP8L_WBITS bits.
 
-#if defined(__arm__) || defined(_M_ARM) || defined(__aarch64__) || \
+#if defined(__arm__) || defined(_M_ARM) || WEBP_AARCH64 || \
     defined(__i386__) || defined(_M_IX86) || \
     defined(__x86_64__) || defined(_M_X64)
 #define VP8L_USE_FAST_LOAD

thirdparty/libwebp/src/utils/bit_reader_utils.h

@@ -19,6 +19,7 @@
 #ifdef _MSC_VER
 #include <stdlib.h>  // _byteswap_ulong
 #endif
+#include "src/dsp/cpu.h"
 #include "src/webp/types.h"
 
 // Warning! This macro triggers quite some MACRO wizardry around func signature!
@@ -64,7 +65,7 @@ extern "C" {
 #define BITS 56
 #elif defined(__arm__) || defined(_M_ARM)      // ARM
 #define BITS 24
-#elif defined(__aarch64__)                     // ARM 64bit
+#elif WEBP_AARCH64                             // ARM 64bit
 #define BITS 56
 #elif defined(__mips__)                        // MIPS
 #define BITS 24

thirdparty/libwebp/src/webp/decode.h

@@ -84,7 +84,8 @@ WEBP_EXTERN uint8_t* WebPDecodeBGR(const uint8_t* data, size_t data_size,
 // planes are both (*width + 1) / 2 and (*height + 1) / 2.
 // Upon return, the Y buffer has a stride returned as '*stride', while U and V
 // have a common stride returned as '*uv_stride'.
-// Return NULL in case of error.
+// 'width' and 'height' may be NULL, the other pointers must not be.
+// Returns NULL in case of error.
 // (*) Also named Y'CbCr. See: https://en.wikipedia.org/wiki/YCbCr
 WEBP_EXTERN uint8_t* WebPDecodeYUV(const uint8_t* data, size_t data_size,
                                    int* width, int* height,