268 lines
8.9 KiB
C
268 lines
8.9 KiB
C
/*
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* Copyright (c) 2012 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "./vpx_config.h"
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#include "vp9/encoder/vp9_variance.h"
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#include "vpx_ports/mem.h"
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typedef void (*get_var_avx2) (
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const unsigned char *src_ptr,
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int source_stride,
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const unsigned char *ref_ptr,
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int recon_stride,
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unsigned int *SSE,
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int *Sum
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);
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void vp9_get16x16var_avx2
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(
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const unsigned char *src_ptr,
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int source_stride,
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const unsigned char *ref_ptr,
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int recon_stride,
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unsigned int *SSE,
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int *Sum
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);
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void vp9_get32x32var_avx2
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(
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const unsigned char *src_ptr,
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int source_stride,
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const unsigned char *ref_ptr,
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int recon_stride,
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unsigned int *SSE,
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int *Sum
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);
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unsigned int vp9_sub_pixel_variance32xh_avx2
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(
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const uint8_t *src,
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int src_stride,
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int x_offset,
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int y_offset,
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const uint8_t *dst,
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int dst_stride,
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int height,
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unsigned int *sse
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);
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unsigned int vp9_sub_pixel_avg_variance32xh_avx2
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(
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const uint8_t *src,
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int src_stride,
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int x_offset,
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int y_offset,
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const uint8_t *dst,
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int dst_stride,
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const uint8_t *sec,
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int sec_stride,
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int height,
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unsigned int *sseptr
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);
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static void variance_avx2(const unsigned char *src_ptr, int source_stride,
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const unsigned char *ref_ptr, int recon_stride,
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int w, int h, unsigned int *sse, int *sum,
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get_var_avx2 var_fn, int block_size) {
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unsigned int sse0;
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int sum0;
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int i, j;
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*sse = 0;
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*sum = 0;
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for (i = 0; i < h; i += 16) {
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for (j = 0; j < w; j += block_size) {
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// processing 16 rows horizontally each call
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var_fn(src_ptr + source_stride * i + j, source_stride,
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ref_ptr + recon_stride * i + j, recon_stride, &sse0, &sum0);
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*sse += sse0;
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*sum += sum0;
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}
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}
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}
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unsigned int vp9_variance16x16_avx2
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(
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const unsigned char *src_ptr,
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int source_stride,
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const unsigned char *ref_ptr,
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int recon_stride,
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unsigned int *sse) {
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unsigned int var;
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int avg;
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variance_avx2(src_ptr, source_stride, ref_ptr, recon_stride, 16, 16,
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&var, &avg, vp9_get16x16var_avx2, 16);
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*sse = var;
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return (var - (((unsigned int)avg * avg) >> 8));
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}
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unsigned int vp9_mse16x16_avx2(
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const unsigned char *src_ptr,
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int source_stride,
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const unsigned char *ref_ptr,
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int recon_stride,
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unsigned int *sse) {
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unsigned int sse0;
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int sum0;
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vp9_get16x16var_avx2(src_ptr, source_stride, ref_ptr, recon_stride, &sse0,
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&sum0);
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*sse = sse0;
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return sse0;
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}
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unsigned int vp9_variance32x32_avx2(const uint8_t *src_ptr,
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int source_stride,
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const uint8_t *ref_ptr,
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int recon_stride,
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unsigned int *sse) {
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unsigned int var;
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int avg;
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// processing 32 elements vertically in parallel
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variance_avx2(src_ptr, source_stride, ref_ptr, recon_stride, 32, 32,
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&var, &avg, vp9_get32x32var_avx2, 32);
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*sse = var;
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return (var - (((int64_t)avg * avg) >> 10));
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}
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unsigned int vp9_variance32x16_avx2(const uint8_t *src_ptr,
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int source_stride,
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const uint8_t *ref_ptr,
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int recon_stride,
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unsigned int *sse) {
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unsigned int var;
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int avg;
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// processing 32 elements vertically in parallel
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variance_avx2(src_ptr, source_stride, ref_ptr, recon_stride, 32, 16,
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&var, &avg, vp9_get32x32var_avx2, 32);
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*sse = var;
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return (var - (((int64_t)avg * avg) >> 9));
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}
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unsigned int vp9_variance64x64_avx2(const uint8_t *src_ptr,
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int source_stride,
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const uint8_t *ref_ptr,
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int recon_stride,
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unsigned int *sse) {
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unsigned int var;
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int avg;
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// processing 32 elements vertically in parallel
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variance_avx2(src_ptr, source_stride, ref_ptr, recon_stride, 64, 64,
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&var, &avg, vp9_get32x32var_avx2, 32);
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*sse = var;
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return (var - (((int64_t)avg * avg) >> 12));
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}
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unsigned int vp9_variance64x32_avx2(const uint8_t *src_ptr,
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int source_stride,
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const uint8_t *ref_ptr,
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int recon_stride,
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unsigned int *sse) {
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unsigned int var;
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int avg;
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// processing 32 elements vertically in parallel
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variance_avx2(src_ptr, source_stride, ref_ptr, recon_stride, 64, 32,
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&var, &avg, vp9_get32x32var_avx2, 32);
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*sse = var;
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return (var - (((int64_t)avg * avg) >> 11));
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}
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unsigned int vp9_sub_pixel_variance64x64_avx2(const uint8_t *src,
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int src_stride,
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int x_offset,
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int y_offset,
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const uint8_t *dst,
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int dst_stride,
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unsigned int *sse_ptr) {
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// processing 32 elements in parallel
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unsigned int sse;
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int se = vp9_sub_pixel_variance32xh_avx2(src, src_stride, x_offset,
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y_offset, dst, dst_stride,
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64, &sse);
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// processing the next 32 elements in parallel
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unsigned int sse2;
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int se2 = vp9_sub_pixel_variance32xh_avx2(src + 32, src_stride,
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x_offset, y_offset,
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dst + 32, dst_stride,
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64, &sse2);
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se += se2;
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sse += sse2;
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*sse_ptr = sse;
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return sse - (((int64_t)se * se) >> 12);
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}
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unsigned int vp9_sub_pixel_variance32x32_avx2(const uint8_t *src,
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int src_stride,
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int x_offset,
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int y_offset,
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const uint8_t *dst,
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int dst_stride,
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unsigned int *sse_ptr) {
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// processing 32 element in parallel
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unsigned int sse;
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int se = vp9_sub_pixel_variance32xh_avx2(src, src_stride, x_offset,
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y_offset, dst, dst_stride,
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32, &sse);
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*sse_ptr = sse;
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return sse - (((int64_t)se * se) >> 10);
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}
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unsigned int vp9_sub_pixel_avg_variance64x64_avx2(const uint8_t *src,
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int src_stride,
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int x_offset,
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int y_offset,
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const uint8_t *dst,
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int dst_stride,
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unsigned int *sseptr,
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const uint8_t *sec) {
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// processing 32 elements in parallel
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unsigned int sse;
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int se = vp9_sub_pixel_avg_variance32xh_avx2(src, src_stride, x_offset,
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y_offset, dst, dst_stride,
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sec, 64, 64, &sse);
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unsigned int sse2;
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// processing the next 32 elements in parallel
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int se2 = vp9_sub_pixel_avg_variance32xh_avx2(src + 32, src_stride, x_offset,
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y_offset, dst + 32, dst_stride,
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sec + 32, 64, 64, &sse2);
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se += se2;
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sse += sse2;
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*sseptr = sse;
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return sse - (((int64_t)se * se) >> 12);
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}
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unsigned int vp9_sub_pixel_avg_variance32x32_avx2(const uint8_t *src,
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int src_stride,
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int x_offset,
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int y_offset,
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const uint8_t *dst,
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int dst_stride,
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unsigned int *sseptr,
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const uint8_t *sec) {
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// processing 32 element in parallel
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unsigned int sse;
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int se = vp9_sub_pixel_avg_variance32xh_avx2(src, src_stride, x_offset,
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y_offset, dst, dst_stride,
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sec, 32, 32, &sse);
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*sseptr = sse;
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return sse - (((int64_t)se * se) >> 10);
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}
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