diff options
Diffstat (limited to 'src/3rdparty/libwebp/src/dsp/dec.c')
-rw-r--r-- | src/3rdparty/libwebp/src/dsp/dec.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/3rdparty/libwebp/src/dsp/dec.c b/src/3rdparty/libwebp/src/dsp/dec.c index a787206..e92d693 100644 --- a/src/3rdparty/libwebp/src/dsp/dec.c +++ b/src/3rdparty/libwebp/src/dsp/dec.c @@ -13,6 +13,7 @@ #include "./dsp.h" #include "../dec/vp8i.h" +#include "../utils/utils.h" //------------------------------------------------------------------------------ @@ -654,6 +655,23 @@ static void HFilter8i(uint8_t* u, uint8_t* v, int stride, //------------------------------------------------------------------------------ +static void DitherCombine8x8(const uint8_t* dither, uint8_t* dst, + int dst_stride) { + int i, j; + for (j = 0; j < 8; ++j) { + for (i = 0; i < 8; ++i) { + const int delta0 = dither[i] - VP8_DITHER_AMP_CENTER; + const int delta1 = + (delta0 + VP8_DITHER_DESCALE_ROUNDER) >> VP8_DITHER_DESCALE; + dst[i] = clip_8b((int)dst[i] + delta1); + } + dst += dst_stride; + dither += 8; + } +} + +//------------------------------------------------------------------------------ + VP8DecIdct2 VP8Transform; VP8DecIdct VP8TransformAC3; VP8DecIdct VP8TransformUV; @@ -673,11 +691,15 @@ VP8SimpleFilterFunc VP8SimpleHFilter16; VP8SimpleFilterFunc VP8SimpleVFilter16i; VP8SimpleFilterFunc VP8SimpleHFilter16i; +void (*VP8DitherCombine8x8)(const uint8_t* dither, uint8_t* dst, + int dst_stride); + extern void VP8DspInitSSE2(void); extern void VP8DspInitSSE41(void); extern void VP8DspInitNEON(void); extern void VP8DspInitMIPS32(void); extern void VP8DspInitMIPSdspR2(void); +extern void VP8DspInitMSA(void); static volatile VP8CPUInfo dec_last_cpuinfo_used = (VP8CPUInfo)&dec_last_cpuinfo_used; @@ -734,6 +756,8 @@ WEBP_TSAN_IGNORE_FUNCTION void VP8DspInit(void) { VP8PredChroma8[5] = DC8uvNoLeft; VP8PredChroma8[6] = DC8uvNoTopLeft; + VP8DitherCombine8x8 = DitherCombine8x8; + // If defined, use CPUInfo() to overwrite some pointers with faster versions. if (VP8GetCPUInfo != NULL) { #if defined(WEBP_USE_SSE2) @@ -761,6 +785,11 @@ WEBP_TSAN_IGNORE_FUNCTION void VP8DspInit(void) { VP8DspInitMIPSdspR2(); } #endif +#if defined(WEBP_USE_MSA) + if (VP8GetCPUInfo(kMSA)) { + VP8DspInitMSA(); + } +#endif } dec_last_cpuinfo_used = VP8GetCPUInfo; } |