9fa24f03b5
Buffers on 32 bit x86 builds only guaranteed 8 byte alignment. Fixed with "AvgPred test: use aligned buffers" and "sad avg: align intermediate buffer" Also re-enable asserts on the C version. BUG=webm:1390 Change-Id: I93081f1b0002a352bb0a3371ac35452417fa8514
563 lines
26 KiB
C
563 lines
26 KiB
C
/*
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* Copyright (c) 2010 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 <assert.h>
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#include "./vpx_config.h"
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#include "./vpx_dsp_rtcd.h"
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#include "vpx_ports/mem.h"
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#include "vpx/vpx_integer.h"
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#include "vpx_dsp/variance.h"
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static const uint8_t bilinear_filters[8][2] = {
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{ 128, 0 }, { 112, 16 }, { 96, 32 }, { 80, 48 },
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{ 64, 64 }, { 48, 80 }, { 32, 96 }, { 16, 112 },
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};
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uint32_t vpx_get4x4sse_cs_c(const uint8_t *a, int a_stride, const uint8_t *b,
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int b_stride) {
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int distortion = 0;
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int r, c;
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for (r = 0; r < 4; ++r) {
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for (c = 0; c < 4; ++c) {
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int diff = a[c] - b[c];
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distortion += diff * diff;
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}
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a += a_stride;
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b += b_stride;
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}
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return distortion;
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}
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uint32_t vpx_get_mb_ss_c(const int16_t *a) {
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unsigned int i, sum = 0;
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for (i = 0; i < 256; ++i) {
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sum += a[i] * a[i];
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}
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return sum;
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}
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static void variance(const uint8_t *a, int a_stride, const uint8_t *b,
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int b_stride, int w, int h, uint32_t *sse, int *sum) {
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int i, j;
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*sum = 0;
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*sse = 0;
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for (i = 0; i < h; ++i) {
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for (j = 0; j < w; ++j) {
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const int diff = a[j] - b[j];
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*sum += diff;
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*sse += diff * diff;
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}
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a += a_stride;
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b += b_stride;
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}
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}
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// Applies a 1-D 2-tap bilinear filter to the source block in either horizontal
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// or vertical direction to produce the filtered output block. Used to implement
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// the first-pass of 2-D separable filter.
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//
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// Produces int16_t output to retain precision for the next pass. Two filter
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// taps should sum to FILTER_WEIGHT. pixel_step defines whether the filter is
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// applied horizontally (pixel_step = 1) or vertically (pixel_step = stride).
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// It defines the offset required to move from one input to the next.
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static void var_filter_block2d_bil_first_pass(const uint8_t *a, uint16_t *b,
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unsigned int src_pixels_per_line,
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int pixel_step,
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unsigned int output_height,
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unsigned int output_width,
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const uint8_t *filter) {
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unsigned int i, j;
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for (i = 0; i < output_height; ++i) {
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for (j = 0; j < output_width; ++j) {
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b[j] = ROUND_POWER_OF_TWO(
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(int)a[0] * filter[0] + (int)a[pixel_step] * filter[1], FILTER_BITS);
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++a;
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}
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a += src_pixels_per_line - output_width;
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b += output_width;
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}
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}
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// Applies a 1-D 2-tap bilinear filter to the source block in either horizontal
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// or vertical direction to produce the filtered output block. Used to implement
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// the second-pass of 2-D separable filter.
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//
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// Requires 16-bit input as produced by filter_block2d_bil_first_pass. Two
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// filter taps should sum to FILTER_WEIGHT. pixel_step defines whether the
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// filter is applied horizontally (pixel_step = 1) or vertically
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// (pixel_step = stride). It defines the offset required to move from one input
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// to the next. Output is 8-bit.
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static void var_filter_block2d_bil_second_pass(const uint16_t *a, uint8_t *b,
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unsigned int src_pixels_per_line,
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unsigned int pixel_step,
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unsigned int output_height,
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unsigned int output_width,
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const uint8_t *filter) {
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unsigned int i, j;
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for (i = 0; i < output_height; ++i) {
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for (j = 0; j < output_width; ++j) {
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b[j] = ROUND_POWER_OF_TWO(
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(int)a[0] * filter[0] + (int)a[pixel_step] * filter[1], FILTER_BITS);
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++a;
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}
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a += src_pixels_per_line - output_width;
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b += output_width;
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}
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}
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#define VAR(W, H) \
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uint32_t vpx_variance##W##x##H##_c(const uint8_t *a, int a_stride, \
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const uint8_t *b, int b_stride, \
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uint32_t *sse) { \
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int sum; \
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variance(a, a_stride, b, b_stride, W, H, sse, &sum); \
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return *sse - (uint32_t)(((int64_t)sum * sum) / (W * H)); \
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}
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#define SUBPIX_VAR(W, H) \
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uint32_t vpx_sub_pixel_variance##W##x##H##_c( \
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const uint8_t *a, int a_stride, int xoffset, int yoffset, \
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const uint8_t *b, int b_stride, uint32_t *sse) { \
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uint16_t fdata3[(H + 1) * W]; \
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uint8_t temp2[H * W]; \
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\
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var_filter_block2d_bil_first_pass(a, fdata3, a_stride, 1, H + 1, W, \
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bilinear_filters[xoffset]); \
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var_filter_block2d_bil_second_pass(fdata3, temp2, W, W, H, W, \
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bilinear_filters[yoffset]); \
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\
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return vpx_variance##W##x##H##_c(temp2, W, b, b_stride, sse); \
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}
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#define SUBPIX_AVG_VAR(W, H) \
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uint32_t vpx_sub_pixel_avg_variance##W##x##H##_c( \
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const uint8_t *a, int a_stride, int xoffset, int yoffset, \
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const uint8_t *b, int b_stride, uint32_t *sse, \
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const uint8_t *second_pred) { \
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uint16_t fdata3[(H + 1) * W]; \
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uint8_t temp2[H * W]; \
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DECLARE_ALIGNED(16, uint8_t, temp3[H * W]); \
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\
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var_filter_block2d_bil_first_pass(a, fdata3, a_stride, 1, H + 1, W, \
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bilinear_filters[xoffset]); \
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var_filter_block2d_bil_second_pass(fdata3, temp2, W, W, H, W, \
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bilinear_filters[yoffset]); \
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\
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vpx_comp_avg_pred(temp3, second_pred, W, H, temp2, W); \
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\
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return vpx_variance##W##x##H##_c(temp3, W, b, b_stride, sse); \
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}
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/* Identical to the variance call except it takes an additional parameter, sum,
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* and returns that value using pass-by-reference instead of returning
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* sse - sum^2 / w*h
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*/
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#define GET_VAR(W, H) \
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void vpx_get##W##x##H##var_c(const uint8_t *a, int a_stride, \
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const uint8_t *b, int b_stride, uint32_t *sse, \
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int *sum) { \
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variance(a, a_stride, b, b_stride, W, H, sse, sum); \
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}
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/* Identical to the variance call except it does not calculate the
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* sse - sum^2 / w*h and returns sse in addtion to modifying the passed in
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* variable.
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*/
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#define MSE(W, H) \
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uint32_t vpx_mse##W##x##H##_c(const uint8_t *a, int a_stride, \
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const uint8_t *b, int b_stride, \
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uint32_t *sse) { \
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int sum; \
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variance(a, a_stride, b, b_stride, W, H, sse, &sum); \
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return *sse; \
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}
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/* All three forms of the variance are available in the same sizes. */
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#define VARIANCES(W, H) \
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VAR(W, H) \
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SUBPIX_VAR(W, H) \
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SUBPIX_AVG_VAR(W, H)
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VARIANCES(64, 64)
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VARIANCES(64, 32)
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VARIANCES(32, 64)
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VARIANCES(32, 32)
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VARIANCES(32, 16)
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VARIANCES(16, 32)
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VARIANCES(16, 16)
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VARIANCES(16, 8)
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VARIANCES(8, 16)
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VARIANCES(8, 8)
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VARIANCES(8, 4)
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VARIANCES(4, 8)
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VARIANCES(4, 4)
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GET_VAR(16, 16)
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GET_VAR(8, 8)
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MSE(16, 16)
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MSE(16, 8)
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MSE(8, 16)
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MSE(8, 8)
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void vpx_comp_avg_pred_c(uint8_t *comp_pred, const uint8_t *pred, int width,
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int height, const uint8_t *ref, int ref_stride) {
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int i, j;
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/* comp_pred and pred must be 16 byte aligned. */
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assert(((intptr_t)comp_pred & 0xf) == 0);
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assert(((intptr_t)pred & 0xf) == 0);
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for (i = 0; i < height; ++i) {
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for (j = 0; j < width; ++j) {
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const int tmp = pred[j] + ref[j];
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comp_pred[j] = ROUND_POWER_OF_TWO(tmp, 1);
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}
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comp_pred += width;
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pred += width;
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ref += ref_stride;
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}
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}
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#if CONFIG_VP9_HIGHBITDEPTH
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static void highbd_variance64(const uint8_t *a8, int a_stride,
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const uint8_t *b8, int b_stride, int w, int h,
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uint64_t *sse, int64_t *sum) {
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int i, j;
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uint16_t *a = CONVERT_TO_SHORTPTR(a8);
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uint16_t *b = CONVERT_TO_SHORTPTR(b8);
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*sum = 0;
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*sse = 0;
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for (i = 0; i < h; ++i) {
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for (j = 0; j < w; ++j) {
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const int diff = a[j] - b[j];
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*sum += diff;
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*sse += diff * diff;
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}
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a += a_stride;
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b += b_stride;
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}
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}
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static void highbd_8_variance(const uint8_t *a8, int a_stride,
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const uint8_t *b8, int b_stride, int w, int h,
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uint32_t *sse, int *sum) {
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uint64_t sse_long = 0;
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int64_t sum_long = 0;
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highbd_variance64(a8, a_stride, b8, b_stride, w, h, &sse_long, &sum_long);
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*sse = (uint32_t)sse_long;
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*sum = (int)sum_long;
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}
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static void highbd_10_variance(const uint8_t *a8, int a_stride,
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const uint8_t *b8, int b_stride, int w, int h,
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uint32_t *sse, int *sum) {
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uint64_t sse_long = 0;
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int64_t sum_long = 0;
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highbd_variance64(a8, a_stride, b8, b_stride, w, h, &sse_long, &sum_long);
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*sse = (uint32_t)ROUND_POWER_OF_TWO(sse_long, 4);
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*sum = (int)ROUND_POWER_OF_TWO(sum_long, 2);
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}
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static void highbd_12_variance(const uint8_t *a8, int a_stride,
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const uint8_t *b8, int b_stride, int w, int h,
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uint32_t *sse, int *sum) {
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uint64_t sse_long = 0;
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int64_t sum_long = 0;
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highbd_variance64(a8, a_stride, b8, b_stride, w, h, &sse_long, &sum_long);
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*sse = (uint32_t)ROUND_POWER_OF_TWO(sse_long, 8);
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*sum = (int)ROUND_POWER_OF_TWO(sum_long, 4);
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}
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#define HIGHBD_VAR(W, H) \
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uint32_t vpx_highbd_8_variance##W##x##H##_c(const uint8_t *a, int a_stride, \
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const uint8_t *b, int b_stride, \
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uint32_t *sse) { \
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int sum; \
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highbd_8_variance(a, a_stride, b, b_stride, W, H, sse, &sum); \
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return *sse - (uint32_t)(((int64_t)sum * sum) / (W * H)); \
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} \
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\
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uint32_t vpx_highbd_10_variance##W##x##H##_c(const uint8_t *a, int a_stride, \
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const uint8_t *b, int b_stride, \
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uint32_t *sse) { \
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int sum; \
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int64_t var; \
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highbd_10_variance(a, a_stride, b, b_stride, W, H, sse, &sum); \
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var = (int64_t)(*sse) - (((int64_t)sum * sum) / (W * H)); \
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return (var >= 0) ? (uint32_t)var : 0; \
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} \
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\
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uint32_t vpx_highbd_12_variance##W##x##H##_c(const uint8_t *a, int a_stride, \
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const uint8_t *b, int b_stride, \
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uint32_t *sse) { \
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int sum; \
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int64_t var; \
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highbd_12_variance(a, a_stride, b, b_stride, W, H, sse, &sum); \
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var = (int64_t)(*sse) - (((int64_t)sum * sum) / (W * H)); \
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return (var >= 0) ? (uint32_t)var : 0; \
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}
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#define HIGHBD_GET_VAR(S) \
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void vpx_highbd_8_get##S##x##S##var_c(const uint8_t *src, int src_stride, \
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const uint8_t *ref, int ref_stride, \
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uint32_t *sse, int *sum) { \
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highbd_8_variance(src, src_stride, ref, ref_stride, S, S, sse, sum); \
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} \
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\
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void vpx_highbd_10_get##S##x##S##var_c(const uint8_t *src, int src_stride, \
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const uint8_t *ref, int ref_stride, \
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uint32_t *sse, int *sum) { \
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highbd_10_variance(src, src_stride, ref, ref_stride, S, S, sse, sum); \
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} \
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\
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void vpx_highbd_12_get##S##x##S##var_c(const uint8_t *src, int src_stride, \
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const uint8_t *ref, int ref_stride, \
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uint32_t *sse, int *sum) { \
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highbd_12_variance(src, src_stride, ref, ref_stride, S, S, sse, sum); \
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}
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#define HIGHBD_MSE(W, H) \
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uint32_t vpx_highbd_8_mse##W##x##H##_c(const uint8_t *src, int src_stride, \
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const uint8_t *ref, int ref_stride, \
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uint32_t *sse) { \
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int sum; \
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highbd_8_variance(src, src_stride, ref, ref_stride, W, H, sse, &sum); \
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return *sse; \
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} \
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\
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uint32_t vpx_highbd_10_mse##W##x##H##_c(const uint8_t *src, int src_stride, \
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const uint8_t *ref, int ref_stride, \
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uint32_t *sse) { \
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int sum; \
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highbd_10_variance(src, src_stride, ref, ref_stride, W, H, sse, &sum); \
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return *sse; \
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} \
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\
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uint32_t vpx_highbd_12_mse##W##x##H##_c(const uint8_t *src, int src_stride, \
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const uint8_t *ref, int ref_stride, \
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uint32_t *sse) { \
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int sum; \
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highbd_12_variance(src, src_stride, ref, ref_stride, W, H, sse, &sum); \
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return *sse; \
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}
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static void highbd_var_filter_block2d_bil_first_pass(
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const uint8_t *src_ptr8, uint16_t *output_ptr,
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unsigned int src_pixels_per_line, int pixel_step,
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unsigned int output_height, unsigned int output_width,
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const uint8_t *filter) {
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unsigned int i, j;
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uint16_t *src_ptr = CONVERT_TO_SHORTPTR(src_ptr8);
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for (i = 0; i < output_height; ++i) {
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for (j = 0; j < output_width; ++j) {
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output_ptr[j] = ROUND_POWER_OF_TWO(
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(int)src_ptr[0] * filter[0] + (int)src_ptr[pixel_step] * filter[1],
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FILTER_BITS);
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++src_ptr;
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}
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// Next row...
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src_ptr += src_pixels_per_line - output_width;
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output_ptr += output_width;
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}
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}
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static void highbd_var_filter_block2d_bil_second_pass(
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const uint16_t *src_ptr, uint16_t *output_ptr,
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unsigned int src_pixels_per_line, unsigned int pixel_step,
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unsigned int output_height, unsigned int output_width,
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const uint8_t *filter) {
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unsigned int i, j;
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for (i = 0; i < output_height; ++i) {
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for (j = 0; j < output_width; ++j) {
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output_ptr[j] = ROUND_POWER_OF_TWO(
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(int)src_ptr[0] * filter[0] + (int)src_ptr[pixel_step] * filter[1],
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FILTER_BITS);
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++src_ptr;
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}
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src_ptr += src_pixels_per_line - output_width;
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output_ptr += output_width;
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}
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}
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#define HIGHBD_SUBPIX_VAR(W, H) \
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uint32_t vpx_highbd_8_sub_pixel_variance##W##x##H##_c( \
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const uint8_t *src, int src_stride, int xoffset, int yoffset, \
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const uint8_t *dst, int dst_stride, uint32_t *sse) { \
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uint16_t fdata3[(H + 1) * W]; \
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uint16_t temp2[H * W]; \
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\
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highbd_var_filter_block2d_bil_first_pass( \
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src, fdata3, src_stride, 1, H + 1, W, bilinear_filters[xoffset]); \
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highbd_var_filter_block2d_bil_second_pass(fdata3, temp2, W, W, H, W, \
|
|
bilinear_filters[yoffset]); \
|
|
\
|
|
return vpx_highbd_8_variance##W##x##H##_c(CONVERT_TO_BYTEPTR(temp2), W, \
|
|
dst, dst_stride, sse); \
|
|
} \
|
|
\
|
|
uint32_t vpx_highbd_10_sub_pixel_variance##W##x##H##_c( \
|
|
const uint8_t *src, int src_stride, int xoffset, int yoffset, \
|
|
const uint8_t *dst, int dst_stride, uint32_t *sse) { \
|
|
uint16_t fdata3[(H + 1) * W]; \
|
|
uint16_t temp2[H * W]; \
|
|
\
|
|
highbd_var_filter_block2d_bil_first_pass( \
|
|
src, fdata3, src_stride, 1, H + 1, W, bilinear_filters[xoffset]); \
|
|
highbd_var_filter_block2d_bil_second_pass(fdata3, temp2, W, W, H, W, \
|
|
bilinear_filters[yoffset]); \
|
|
\
|
|
return vpx_highbd_10_variance##W##x##H##_c(CONVERT_TO_BYTEPTR(temp2), W, \
|
|
dst, dst_stride, sse); \
|
|
} \
|
|
\
|
|
uint32_t vpx_highbd_12_sub_pixel_variance##W##x##H##_c( \
|
|
const uint8_t *src, int src_stride, int xoffset, int yoffset, \
|
|
const uint8_t *dst, int dst_stride, uint32_t *sse) { \
|
|
uint16_t fdata3[(H + 1) * W]; \
|
|
uint16_t temp2[H * W]; \
|
|
\
|
|
highbd_var_filter_block2d_bil_first_pass( \
|
|
src, fdata3, src_stride, 1, H + 1, W, bilinear_filters[xoffset]); \
|
|
highbd_var_filter_block2d_bil_second_pass(fdata3, temp2, W, W, H, W, \
|
|
bilinear_filters[yoffset]); \
|
|
\
|
|
return vpx_highbd_12_variance##W##x##H##_c(CONVERT_TO_BYTEPTR(temp2), W, \
|
|
dst, dst_stride, sse); \
|
|
}
|
|
|
|
#define HIGHBD_SUBPIX_AVG_VAR(W, H) \
|
|
uint32_t vpx_highbd_8_sub_pixel_avg_variance##W##x##H##_c( \
|
|
const uint8_t *src, int src_stride, int xoffset, int yoffset, \
|
|
const uint8_t *dst, int dst_stride, uint32_t *sse, \
|
|
const uint8_t *second_pred) { \
|
|
uint16_t fdata3[(H + 1) * W]; \
|
|
uint16_t temp2[H * W]; \
|
|
DECLARE_ALIGNED(16, uint16_t, temp3[H * W]); \
|
|
\
|
|
highbd_var_filter_block2d_bil_first_pass( \
|
|
src, fdata3, src_stride, 1, H + 1, W, bilinear_filters[xoffset]); \
|
|
highbd_var_filter_block2d_bil_second_pass(fdata3, temp2, W, W, H, W, \
|
|
bilinear_filters[yoffset]); \
|
|
\
|
|
vpx_highbd_comp_avg_pred(temp3, second_pred, W, H, \
|
|
CONVERT_TO_BYTEPTR(temp2), W); \
|
|
\
|
|
return vpx_highbd_8_variance##W##x##H##_c(CONVERT_TO_BYTEPTR(temp3), W, \
|
|
dst, dst_stride, sse); \
|
|
} \
|
|
\
|
|
uint32_t vpx_highbd_10_sub_pixel_avg_variance##W##x##H##_c( \
|
|
const uint8_t *src, int src_stride, int xoffset, int yoffset, \
|
|
const uint8_t *dst, int dst_stride, uint32_t *sse, \
|
|
const uint8_t *second_pred) { \
|
|
uint16_t fdata3[(H + 1) * W]; \
|
|
uint16_t temp2[H * W]; \
|
|
DECLARE_ALIGNED(16, uint16_t, temp3[H * W]); \
|
|
\
|
|
highbd_var_filter_block2d_bil_first_pass( \
|
|
src, fdata3, src_stride, 1, H + 1, W, bilinear_filters[xoffset]); \
|
|
highbd_var_filter_block2d_bil_second_pass(fdata3, temp2, W, W, H, W, \
|
|
bilinear_filters[yoffset]); \
|
|
\
|
|
vpx_highbd_comp_avg_pred(temp3, second_pred, W, H, \
|
|
CONVERT_TO_BYTEPTR(temp2), W); \
|
|
\
|
|
return vpx_highbd_10_variance##W##x##H##_c(CONVERT_TO_BYTEPTR(temp3), W, \
|
|
dst, dst_stride, sse); \
|
|
} \
|
|
\
|
|
uint32_t vpx_highbd_12_sub_pixel_avg_variance##W##x##H##_c( \
|
|
const uint8_t *src, int src_stride, int xoffset, int yoffset, \
|
|
const uint8_t *dst, int dst_stride, uint32_t *sse, \
|
|
const uint8_t *second_pred) { \
|
|
uint16_t fdata3[(H + 1) * W]; \
|
|
uint16_t temp2[H * W]; \
|
|
DECLARE_ALIGNED(16, uint16_t, temp3[H * W]); \
|
|
\
|
|
highbd_var_filter_block2d_bil_first_pass( \
|
|
src, fdata3, src_stride, 1, H + 1, W, bilinear_filters[xoffset]); \
|
|
highbd_var_filter_block2d_bil_second_pass(fdata3, temp2, W, W, H, W, \
|
|
bilinear_filters[yoffset]); \
|
|
\
|
|
vpx_highbd_comp_avg_pred(temp3, second_pred, W, H, \
|
|
CONVERT_TO_BYTEPTR(temp2), W); \
|
|
\
|
|
return vpx_highbd_12_variance##W##x##H##_c(CONVERT_TO_BYTEPTR(temp3), W, \
|
|
dst, dst_stride, sse); \
|
|
}
|
|
|
|
/* All three forms of the variance are available in the same sizes. */
|
|
#define HIGHBD_VARIANCES(W, H) \
|
|
HIGHBD_VAR(W, H) \
|
|
HIGHBD_SUBPIX_VAR(W, H) \
|
|
HIGHBD_SUBPIX_AVG_VAR(W, H)
|
|
|
|
HIGHBD_VARIANCES(64, 64)
|
|
HIGHBD_VARIANCES(64, 32)
|
|
HIGHBD_VARIANCES(32, 64)
|
|
HIGHBD_VARIANCES(32, 32)
|
|
HIGHBD_VARIANCES(32, 16)
|
|
HIGHBD_VARIANCES(16, 32)
|
|
HIGHBD_VARIANCES(16, 16)
|
|
HIGHBD_VARIANCES(16, 8)
|
|
HIGHBD_VARIANCES(8, 16)
|
|
HIGHBD_VARIANCES(8, 8)
|
|
HIGHBD_VARIANCES(8, 4)
|
|
HIGHBD_VARIANCES(4, 8)
|
|
HIGHBD_VARIANCES(4, 4)
|
|
|
|
HIGHBD_GET_VAR(8)
|
|
HIGHBD_GET_VAR(16)
|
|
|
|
HIGHBD_MSE(16, 16)
|
|
HIGHBD_MSE(16, 8)
|
|
HIGHBD_MSE(8, 16)
|
|
HIGHBD_MSE(8, 8)
|
|
|
|
void vpx_highbd_comp_avg_pred(uint16_t *comp_pred, const uint8_t *pred8,
|
|
int width, int height, const uint8_t *ref8,
|
|
int ref_stride) {
|
|
int i, j;
|
|
uint16_t *pred = CONVERT_TO_SHORTPTR(pred8);
|
|
uint16_t *ref = CONVERT_TO_SHORTPTR(ref8);
|
|
for (i = 0; i < height; ++i) {
|
|
for (j = 0; j < width; ++j) {
|
|
const int tmp = pred[j] + ref[j];
|
|
comp_pred[j] = ROUND_POWER_OF_TWO(tmp, 1);
|
|
}
|
|
comp_pred += width;
|
|
pred += width;
|
|
ref += ref_stride;
|
|
}
|
|
}
|
|
#endif // CONFIG_VP9_HIGHBITDEPTH
|