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-rw-r--r--vp8/encoder/ssim.c109
1 files changed, 33 insertions, 76 deletions
diff --git a/vp8/encoder/ssim.c b/vp8/encoder/ssim.c
index d3d9711dc..865496ae2 100644
--- a/vp8/encoder/ssim.c
+++ b/vp8/encoder/ssim.c
@@ -11,18 +11,10 @@
#include "onyx_int.h"
-void vp8_ssim_parms_16x16_c
-(
- unsigned char *s,
- int sp,
- unsigned char *r,
- int rp,
- unsigned long *sum_s,
- unsigned long *sum_r,
- unsigned long *sum_sq_s,
- unsigned long *sum_sq_r,
- unsigned long *sum_sxr
-) {
+void vp8_ssim_parms_16x16_c(unsigned char *s, int sp, unsigned char *r,
+ int rp, unsigned long *sum_s, unsigned long *sum_r,
+ unsigned long *sum_sq_s, unsigned long *sum_sq_r,
+ unsigned long *sum_sxr) {
int i, j;
for (i = 0; i < 16; i++, s += sp, r += rp) {
for (j = 0; j < 16; j++) {
@@ -34,18 +26,10 @@ void vp8_ssim_parms_16x16_c
}
}
}
-void vp8_ssim_parms_8x8_c
-(
- unsigned char *s,
- int sp,
- unsigned char *r,
- int rp,
- unsigned long *sum_s,
- unsigned long *sum_r,
- unsigned long *sum_sq_s,
- unsigned long *sum_sq_r,
- unsigned long *sum_sxr
-) {
+void vp8_ssim_parms_8x8_c(unsigned char *s, int sp, unsigned char *r, int rp,
+ unsigned long *sum_s, unsigned long *sum_r,
+ unsigned long *sum_sq_s, unsigned long *sum_sq_r,
+ unsigned long *sum_sxr) {
int i, j;
for (i = 0; i < 8; i++, s += sp, r += rp) {
for (j = 0; j < 8; j++) {
@@ -61,15 +45,9 @@ void vp8_ssim_parms_8x8_c
const static int64_t cc1 = 26634; // (64^2*(.01*255)^2
const static int64_t cc2 = 239708; // (64^2*(.03*255)^2
-static double similarity
-(
- unsigned long sum_s,
- unsigned long sum_r,
- unsigned long sum_sq_s,
- unsigned long sum_sq_r,
- unsigned long sum_sxr,
- int count
-) {
+static double similarity(unsigned long sum_s, unsigned long sum_r,
+ unsigned long sum_sq_s, unsigned long sum_sq_r,
+ unsigned long sum_sxr, int count) {
int64_t ssim_n, ssim_d;
int64_t c1, c2;
@@ -87,23 +65,22 @@ static double similarity
return ssim_n * 1.0 / ssim_d;
}
-static double ssim_16x16(unsigned char *s, int sp, unsigned char *r, int rp,
- const vp8_variance_rtcd_vtable_t *rtcd) {
+static double ssim_16x16(unsigned char *s, int sp, unsigned char *r, int rp) {
unsigned long sum_s = 0, sum_r = 0, sum_sq_s = 0, sum_sq_r = 0, sum_sxr = 0;
- SSIMPF_INVOKE(rtcd, 16x16)(s, sp, r, rp, &sum_s, &sum_r, &sum_sq_s, &sum_sq_r, &sum_sxr);
+ vp8_ssim_parms_16x16(s, sp, r, rp, &sum_s, &sum_r, &sum_sq_s, &sum_sq_r,
+ &sum_sxr);
return similarity(sum_s, sum_r, sum_sq_s, sum_sq_r, sum_sxr, 256);
}
-static double ssim_8x8(unsigned char *s, int sp, unsigned char *r, int rp,
- const vp8_variance_rtcd_vtable_t *rtcd) {
+static double ssim_8x8(unsigned char *s, int sp, unsigned char *r, int rp) {
unsigned long sum_s = 0, sum_r = 0, sum_sq_s = 0, sum_sq_r = 0, sum_sxr = 0;
- SSIMPF_INVOKE(rtcd, 8x8)(s, sp, r, rp, &sum_s, &sum_r, &sum_sq_s, &sum_sq_r, &sum_sxr);
+ vp8_ssim_parms_8x8(s, sp, r, rp, &sum_s, &sum_r, &sum_sq_s, &sum_sq_r,
+ &sum_sxr);
return similarity(sum_s, sum_r, sum_sq_s, sum_sq_r, sum_sxr, 64);
}
// TODO: (jbb) tried to scale this function such that we may be able to use it
// for distortion metric in mode selection code ( provided we do a reconstruction)
-long dssim(unsigned char *s, int sp, unsigned char *r, int rp,
- const vp8_variance_rtcd_vtable_t *rtcd) {
+long dssim(unsigned char *s, int sp, unsigned char *r, int rp) {
unsigned long sum_s = 0, sum_r = 0, sum_sq_s = 0, sum_sq_r = 0, sum_sxr = 0;
int64_t ssim3;
int64_t ssim_n1, ssim_n2;
@@ -115,7 +92,8 @@ long dssim(unsigned char *s, int sp, unsigned char *r, int rp,
c1 = cc1 * 16;
c2 = cc2 * 16;
- SSIMPF_INVOKE(rtcd, 16x16)(s, sp, r, rp, &sum_s, &sum_r, &sum_sq_s, &sum_sq_r, &sum_sxr);
+ vp8_ssim_parms_16x16(s, sp, r, rp, &sum_s, &sum_r, &sum_sq_s, &sum_sq_r,
+ &sum_sxr);
ssim_n1 = (2 * sum_s * sum_r + c1);
ssim_n2 = ((int64_t) 2 * 256 * sum_sxr - (int64_t) 2 * sum_s * sum_r + c2);
@@ -137,16 +115,8 @@ long dssim(unsigned char *s, int sp, unsigned char *r, int rp,
// We are using a 8x8 moving window with starting location of each 8x8 window
// on the 4x4 pixel grid. Such arrangement allows the windows to overlap
// block boundaries to penalize blocking artifacts.
-double vp8_ssim2
-(
- unsigned char *img1,
- unsigned char *img2,
- int stride_img1,
- int stride_img2,
- int width,
- int height,
- const vp8_variance_rtcd_vtable_t *rtcd
-) {
+double vp8_ssim2(unsigned char *img1, unsigned char *img2, int stride_img1,
+ int stride_img2, int width, int height) {
int i, j;
int samples = 0;
double ssim_total = 0;
@@ -154,7 +124,7 @@ double vp8_ssim2
// sample point start with each 4x4 location
for (i = 0; i < height - 8; i += 4, img1 += stride_img1 * 4, img2 += stride_img2 * 4) {
for (j = 0; j < width - 8; j += 4) {
- double v = ssim_8x8(img1 + j, stride_img1, img2 + j, stride_img2, rtcd);
+ double v = ssim_8x8(img1 + j, stride_img1, img2 + j, stride_img2);
ssim_total += v;
samples++;
}
@@ -162,28 +132,22 @@ double vp8_ssim2
ssim_total /= samples;
return ssim_total;
}
-double vp8_calc_ssim
-(
- YV12_BUFFER_CONFIG *source,
- YV12_BUFFER_CONFIG *dest,
- int lumamask,
- double *weight,
- const vp8_variance_rtcd_vtable_t *rtcd
-) {
+double vp8_calc_ssim(YV12_BUFFER_CONFIG *source, YV12_BUFFER_CONFIG *dest,
+ int lumamask, double *weight) {
double a, b, c;
double ssimv;
a = vp8_ssim2(source->y_buffer, dest->y_buffer,
source->y_stride, dest->y_stride, source->y_width,
- source->y_height, rtcd);
+ source->y_height);
b = vp8_ssim2(source->u_buffer, dest->u_buffer,
source->uv_stride, dest->uv_stride, source->uv_width,
- source->uv_height, rtcd);
+ source->uv_height);
c = vp8_ssim2(source->v_buffer, dest->v_buffer,
source->uv_stride, dest->uv_stride, source->uv_width,
- source->uv_height, rtcd);
+ source->uv_height);
ssimv = a * .8 + .1 * (b + c);
@@ -192,29 +156,22 @@ double vp8_calc_ssim
return ssimv;
}
-double vp8_calc_ssimg
-(
- YV12_BUFFER_CONFIG *source,
- YV12_BUFFER_CONFIG *dest,
- double *ssim_y,
- double *ssim_u,
- double *ssim_v,
- const vp8_variance_rtcd_vtable_t *rtcd
-) {
+double vp8_calc_ssimg(YV12_BUFFER_CONFIG *source, YV12_BUFFER_CONFIG *dest,
+ double *ssim_y, double *ssim_u, double *ssim_v) {
double ssim_all = 0;
double a, b, c;
a = vp8_ssim2(source->y_buffer, dest->y_buffer,
source->y_stride, dest->y_stride, source->y_width,
- source->y_height, rtcd);
+ source->y_height);
b = vp8_ssim2(source->u_buffer, dest->u_buffer,
source->uv_stride, dest->uv_stride, source->uv_width,
- source->uv_height, rtcd);
+ source->uv_height);
c = vp8_ssim2(source->v_buffer, dest->v_buffer,
source->uv_stride, dest->uv_stride, source->uv_width,
- source->uv_height, rtcd);
+ source->uv_height);
*ssim_y = a;
*ssim_u = b;
*ssim_v = c;
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-14 11:28:26 +0000