generic-library/vpx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Merge "Duplicate reference variance code"

Browse Source
This commit is contained in:
Johann 2015-06-05 16:54:32 +00:00 committed by Gerrit Code Review
commit a4dad3e961
3 changed files with 132 additions and 71 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

69
vp9/encoder/vp9_aq_variance.c
View File

@ -82,6 +82,61 @@ void vp9_vaq_frame_setup(VP9_COMP *cpi) {
}
}
/* TODO(agrange, paulwilkins): The block_variance calls the unoptimized versions
* of variance() and highbd_8_variance(). It should not.
*/
static void aq_variance(const uint8_t *a, int a_stride,
const uint8_t *b, int b_stride,
int w, int h, unsigned int *sse, int *sum) {
int i, j;
*sum = 0;
*sse = 0;
for (i = 0; i < h; i++) {
for (j = 0; j < w; j++) {
const int diff = a[j] - b[j];
*sum += diff;
*sse += diff * diff;
}
a += a_stride;
b += b_stride;
}
}
#if CONFIG_VP9_HIGHBITDEPTH
static void aq_highbd_variance64(const uint8_t *a8, int a_stride,
const uint8_t *b8, int b_stride,
int w, int h, uint64_t *sse, uint64_t *sum) {
int i, j;
uint16_t *a = CONVERT_TO_SHORTPTR(a8);
uint16_t *b = CONVERT_TO_SHORTPTR(b8);
*sum = 0;
*sse = 0;
for (i = 0; i < h; i++) {
for (j = 0; j < w; j++) {
const int diff = a[j] - b[j];
*sum += diff;
*sse += diff * diff;
}
a += a_stride;
b += b_stride;
}
}
static void aq_highbd_8_variance(const uint8_t *a8, int a_stride,
const uint8_t *b8, int b_stride,
int w, int h, unsigned int *sse, int *sum) {
uint64_t sse_long = 0;
uint64_t sum_long = 0;
aq_highbd_variance64(a8, a_stride, b8, b_stride, w, h, &sse_long, &sum_long);
*sse = (unsigned int)sse_long;
*sum = (int)sum_long;
}
#endif // CONFIG_VP9_HIGHBITDEPTH
static unsigned int block_variance(VP9_COMP *cpi, MACROBLOCK *x,
BLOCK_SIZE bs) {
@ -98,18 +153,18 @@ static unsigned int block_variance(VP9_COMP *cpi, MACROBLOCK *x,
int avg;
#if CONFIG_VP9_HIGHBITDEPTH
if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
highbd_8_variance(x->plane[0].src.buf, x->plane[0].src.stride,
CONVERT_TO_BYTEPTR(vp9_highbd_64_zeros), 0, bw, bh,
&sse, &avg);
aq_highbd_8_variance(x->plane[0].src.buf, x->plane[0].src.stride,
CONVERT_TO_BYTEPTR(vp9_highbd_64_zeros), 0, bw, bh,
&sse, &avg);
sse >>= 2 * (xd->bd - 8);
avg >>= (xd->bd - 8);
} else {
variance(x->plane[0].src.buf, x->plane[0].src.stride,
vp9_64_zeros, 0, bw, bh, &sse, &avg);
aq_variance(x->plane[0].src.buf, x->plane[0].src.stride,
vp9_64_zeros, 0, bw, bh, &sse, &avg);
}
#else
variance(x->plane[0].src.buf, x->plane[0].src.stride,
vp9_64_zeros, 0, bw, bh, &sse, &avg);
aq_variance(x->plane[0].src.buf, x->plane[0].src.stride,
vp9_64_zeros, 0, bw, bh, &sse, &avg);
#endif // CONFIG_VP9_HIGHBITDEPTH
var = sse - (((int64_t)avg * avg) / (bw * bh));
return (256 * var) / (bw * bh);

80
vp9/encoder/vp9_encoder.c
View File

@ -2056,6 +2056,65 @@ void vp9_remove_compressor(VP9_COMP *cpi) {
#endif
}
/* TODO(yaowu): The block_variance calls the unoptimized versions of variance()
* and highbd_8_variance(). It should not.
*/
static void encoder_variance(const uint8_t *a, int a_stride,
const uint8_t *b, int b_stride,
int w, int h, unsigned int *sse, int *sum) {
int i, j;
*sum = 0;
*sse = 0;
for (i = 0; i < h; i++) {
for (j = 0; j < w; j++) {
const int diff = a[j] - b[j];
*sum += diff;
*sse += diff * diff;
}
a += a_stride;
b += b_stride;
}
}
#if CONFIG_VP9_HIGHBITDEPTH
static void encoder_highbd_variance64(const uint8_t *a8, int a_stride,
const uint8_t *b8, int b_stride,
int w, int h, uint64_t *sse,
uint64_t *sum) {
int i, j;
uint16_t *a = CONVERT_TO_SHORTPTR(a8);
uint16_t *b = CONVERT_TO_SHORTPTR(b8);
*sum = 0;
*sse = 0;
for (i = 0; i < h; i++) {
for (j = 0; j < w; j++) {
const int diff = a[j] - b[j];
*sum += diff;
*sse += diff * diff;
}
a += a_stride;
b += b_stride;
}
}
static void encoder_highbd_8_variance(const uint8_t *a8, int a_stride,
const uint8_t *b8, int b_stride,
int w, int h,
unsigned int *sse, int *sum) {
uint64_t sse_long = 0;
uint64_t sum_long = 0;
encoder_highbd_variance64(a8, a_stride, b8, b_stride, w, h,
&sse_long, &sum_long);
*sse = (unsigned int)sse_long;
*sum = (int)sum_long;
}
#endif // CONFIG_VP9_HIGHBITDEPTH
static int64_t get_sse(const uint8_t *a, int a_stride,
const uint8_t *b, int b_stride,
int width, int height) {
@ -2067,15 +2126,15 @@ static int64_t get_sse(const uint8_t *a, int a_stride,
int x, y;
if (dw > 0) {
variance(&a[width - dw], a_stride, &b[width - dw], b_stride,
dw, height, &sse, &sum);
encoder_variance(&a[width - dw], a_stride, &b[width - dw], b_stride,
dw, height, &sse, &sum);
total_sse += sse;
}
if (dh > 0) {
variance(&a[(height - dh) * a_stride], a_stride,
&b[(height - dh) * b_stride], b_stride,
width - dw, dh, &sse, &sum);
encoder_variance(&a[(height - dh) * a_stride], a_stride,
&b[(height - dh) * b_stride], b_stride,
width - dw, dh, &sse, &sum);
total_sse += sse;
}
@ -2128,14 +2187,15 @@ static int64_t highbd_get_sse(const uint8_t *a, int a_stride,
unsigned int sse = 0;
int sum = 0;
if (dw > 0) {
highbd_8_variance(&a[width - dw], a_stride, &b[width - dw], b_stride,
dw, height, &sse, &sum);
encoder_highbd_8_variance(&a[width - dw], a_stride,
&b[width - dw], b_stride,
dw, height, &sse, &sum);
total_sse += sse;
}
if (dh > 0) {
highbd_8_variance(&a[(height - dh) * a_stride], a_stride,
&b[(height - dh) * b_stride], b_stride,
width - dw, dh, &sse, &sum);
encoder_highbd_8_variance(&a[(height - dh) * a_stride], a_stride,
&b[(height - dh) * b_stride], b_stride,
width - dw, dh, &sse, &sum);
total_sse += sse;
}
for (y = 0; y < height / 16; ++y) {

54
vp9/encoder/vp9_variance.h
View File

@ -18,60 +18,6 @@
extern "C" {
#endif
// TODO(johannkoenig): All functions which depend on
// [highbd_][8|10|12_]variance should be refactored or moved to vpx_dsp.
static void variance(const uint8_t *a, int a_stride,
const uint8_t *b, int b_stride,
int w, int h, unsigned int *sse, int *sum) {
int i, j;
*sum = 0;
*sse = 0;
for (i = 0; i < h; i++) {
for (j = 0; j < w; j++) {
const int diff = a[j] - b[j];
*sum += diff;
*sse += diff * diff;
}
a += a_stride;
b += b_stride;
}
}
#if CONFIG_VP9_HIGHBITDEPTH
static void highbd_variance64(const uint8_t *a8, int a_stride,
const uint8_t *b8, int b_stride,
int w, int h, uint64_t *sse, uint64_t *sum) {
int i, j;
uint16_t *a = CONVERT_TO_SHORTPTR(a8);
uint16_t *b = CONVERT_TO_SHORTPTR(b8);
*sum = 0;
*sse = 0;
for (i = 0; i < h; i++) {
for (j = 0; j < w; j++) {
const int diff = a[j] - b[j];
*sum += diff;
*sse += diff * diff;
}
a += a_stride;
b += b_stride;
}
}
static void highbd_8_variance(const uint8_t *a8, int a_stride,
const uint8_t *b8, int b_stride,
int w, int h, unsigned int *sse, int *sum) {
uint64_t sse_long = 0;
uint64_t sum_long = 0;
highbd_variance64(a8, a_stride, b8, b_stride, w, h, &sse_long, &sum_long);
*sse = (unsigned int)sse_long;
*sum = (int)sum_long;
}
#endif
typedef unsigned int(*vp9_sad_fn_t)(const uint8_t *src_ptr,
int source_stride,
const uint8_t *ref_ptr,