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add WEBP_DISABLE_STATS

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use to to make WebPPictureDistortion & WebPPlaneDistortion noops and
clear some ssim code.

Change-Id: I9b50b2318b7a114632e5a237a4002f64e95afbbc
This commit is contained in:
James Zern 2017-11-22 12:41:17 -08:00
parent 8052c585b3
commit eab5bab74f
4 changed files with 49 additions and 1 deletions
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2
src/dsp/dsp.h
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@ -316,9 +316,11 @@ typedef double (*VP8SSIMGetFunc)(const uint8_t* src1, int stride1,
extern VP8SSIMGetFunc VP8SSIMGet; // unclipped / unchecked
extern VP8SSIMGetClippedFunc VP8SSIMGetClipped; // with clipping
#if !defined(WEBP_DISABLE_STATS)
typedef uint32_t (*VP8AccumulateSSEFunc)(const uint8_t* src1,
const uint8_t* src2, int len);
extern VP8AccumulateSSEFunc VP8AccumulateSSE;
#endif
// must be called before using any of the above directly
void VP8SSIMDspInit(void);

7
src/dsp/ssim.c
View File

@ -109,6 +109,7 @@ static double SSIMGet_C(const uint8_t* src1, int stride1,
//------------------------------------------------------------------------------
#if !defined(WEBP_DISABLE_STATS)
static uint32_t AccumulateSSE_C(const uint8_t* src1,
const uint8_t* src2, int len) {
int i;
@ -120,12 +121,15 @@ static uint32_t AccumulateSSE_C(const uint8_t* src1,
}
return sse2;
}
#endif
//------------------------------------------------------------------------------
VP8SSIMGetFunc VP8SSIMGet;
VP8SSIMGetClippedFunc VP8SSIMGetClipped;
#if !defined(WEBP_DISABLE_STATS)
VP8AccumulateSSEFunc VP8AccumulateSSE;
#endif
extern void VP8SSIMDspInitSSE2(void);
@ -138,7 +142,10 @@ WEBP_TSAN_IGNORE_FUNCTION void VP8SSIMDspInit(void) {
VP8SSIMGetClipped = SSIMGetClipped_C;
VP8SSIMGet = SSIMGet_C;
#if !defined(WEBP_DISABLE_STATS)
VP8AccumulateSSE = AccumulateSSE_C;
#endif
if (VP8GetCPUInfo != NULL) {
#if defined(WEBP_USE_SSE2)
if (VP8GetCPUInfo(kSSE2)) {

5
src/dsp/ssim_sse2.c
View File

@ -20,6 +20,8 @@
#include "src/dsp/common_sse2.h"
#if !defined(WEBP_DISABLE_STATS)
// Helper function
static WEBP_INLINE void SubtractAndSquare_SSE2(const __m128i a, const __m128i b,
__m128i* const sum) {
@ -77,6 +79,7 @@ static uint32_t AccumulateSSE_SSE2(const uint8_t* src1,
}
return sse2;
}
#endif // !defined(WEBP_DISABLE_STATS)
static uint32_t HorizontalAdd16b_SSE2(const __m128i* const m) {
uint16_t tmp[8];
@ -143,7 +146,9 @@ static double SSIMGet_SSE2(const uint8_t* src1, int stride1,
extern void VP8SSIMDspInitSSE2(void);
WEBP_TSAN_IGNORE_FUNCTION void VP8SSIMDspInitSSE2(void) {
#if !defined(WEBP_DISABLE_STATS)
VP8AccumulateSSE = AccumulateSSE_SSE2;
#endif
VP8SSIMGet = SSIMGet_SSE2;
}

36
src/enc/picture_psnr_enc.c
View File

@ -11,6 +11,10 @@
//
// Author: Skal (pascal.massimino@gmail.com)
#include "src/webp/encode.h"
#if !defined(WEBP_DISABLE_STATS)
#include <math.h>
#include <stdlib.h>
@ -210,4 +214,34 @@ int WebPPictureDistortion(const WebPPicture* src, const WebPPicture* ref,
return ok;
}
//------------------------------------------------------------------------------
#else // defined(WEBP_DISABLE_STATS)
int WebPPlaneDistortion(const uint8_t* src, size_t src_stride,
const uint8_t* ref, size_t ref_stride,
int width, int height, size_t x_step,
int type, float* distortion, float* result) {
(void)src;
(void)src_stride;
(void)ref;
(void)ref_stride;
(void)width;
(void)height;
(void)x_step;
(void)type;
if (distortion == NULL || result == NULL) return 0;
*distortion = 0.f;
*result = 0.f;
return 1;
}
int WebPPictureDistortion(const WebPPicture* src, const WebPPicture* ref,
int type, float results[5]) {
int i;
(void)src;
(void)ref;
(void)type;
if (results == NULL) return 0;
for (i = 0; i < 5; ++i) results[i] = 0.f;
return 1;
}
#endif // !defined(WEBP_DISABLE_STATS)