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514 lines
23 KiB
C++
514 lines
23 KiB
C++
/*
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* Copyright (c) 2016, Alliance for Open Media. All rights reserved
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*
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* This source code is subject to the terms of the BSD 2 Clause License and
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* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
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* was not distributed with this source code in the LICENSE file, you can
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* obtain it at www.aomedia.org/license/software. If the Alliance for Open
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* Media Patent License 1.0 was not distributed with this source code in the
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* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
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*/
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#include <algorithm>
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#include <vector>
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#include "third_party/googletest/src/googletest/include/gtest/gtest.h"
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#include "./av1_rtcd.h"
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#include "./aom_dsp_rtcd.h"
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#include "aom_dsp/aom_dsp_common.h"
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#include "aom_ports/mem.h"
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#include "av1/common/filter.h"
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#include "av1/common/convolve.h"
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#include "test/acm_random.h"
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#include "test/util.h"
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using libaom_test::ACMRandom;
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namespace {
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using std::tr1::tuple;
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static void filter_block1d_horiz_c(const uint8_t *src_ptr, int src_stride,
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const int16_t *filter, int tap,
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uint8_t *dst_ptr, int dst_stride, int w,
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int h) {
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src_ptr -= tap / 2 - 1;
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for (int r = 0; r < h; ++r) {
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for (int c = 0; c < w; ++c) {
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int sum = 0;
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for (int i = 0; i < tap; ++i) {
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sum += src_ptr[c + i] * filter[i];
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}
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dst_ptr[c] = clip_pixel(ROUND_POWER_OF_TWO(sum, FILTER_BITS));
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}
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src_ptr += src_stride;
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dst_ptr += dst_stride;
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}
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}
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static void filter_block1d_vert_c(const uint8_t *src_ptr, int src_stride,
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const int16_t *filter, int tap,
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uint8_t *dst_ptr, int dst_stride, int w,
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int h) {
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src_ptr -= (tap / 2 - 1) * src_stride;
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for (int r = 0; r < h; ++r) {
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for (int c = 0; c < w; ++c) {
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int sum = 0;
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for (int i = 0; i < tap; ++i) {
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sum += src_ptr[c + i * src_stride] * filter[i];
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}
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dst_ptr[c] = clip_pixel(ROUND_POWER_OF_TWO(sum, FILTER_BITS));
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}
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src_ptr += src_stride;
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dst_ptr += dst_stride;
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}
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}
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static int match(const uint8_t *out, int out_stride, const uint8_t *ref_out,
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int ref_out_stride, int w, int h) {
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for (int r = 0; r < h; ++r) {
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for (int c = 0; c < w; ++c) {
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if (out[r * out_stride + c] != ref_out[r * ref_out_stride + c]) return 0;
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}
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}
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return 1;
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}
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typedef void (*ConvolveFunc)(const uint8_t *src, int src_stride, uint8_t *dst,
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int dst_stride, int w, int h,
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const InterpFilterParams filter_params,
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const int subpel_q4, int step_q4,
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ConvolveParams *conv_params);
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struct ConvolveFunctions {
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ConvolveFunctions(ConvolveFunc hf, ConvolveFunc vf) : hf_(hf), vf_(vf) {}
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ConvolveFunc hf_;
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ConvolveFunc vf_;
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};
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typedef tuple<ConvolveFunctions *, InterpFilter /*filter_x*/,
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InterpFilter /*filter_y*/>
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ConvolveParam;
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class Av1ConvolveTest : public ::testing::TestWithParam<ConvolveParam> {
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public:
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virtual void SetUp() {
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rnd_(ACMRandom::DeterministicSeed());
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cfs_ = GET_PARAM(0);
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interp_filter_ls_[0] = GET_PARAM(2);
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interp_filter_ls_[2] = interp_filter_ls_[0];
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interp_filter_ls_[1] = GET_PARAM(1);
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interp_filter_ls_[3] = interp_filter_ls_[1];
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}
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virtual void TearDown() {
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while (buf_ls_.size() > 0) {
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uint8_t *buf = buf_ls_.back();
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aom_free(buf);
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buf_ls_.pop_back();
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}
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}
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virtual uint8_t *add_input(int w, int h, int *stride) {
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uint8_t *buf =
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reinterpret_cast<uint8_t *>(aom_memalign(kDataAlignment, kBufferSize));
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buf_ls_.push_back(buf);
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*stride = w + MAX_FILTER_TAP - 1;
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int offset = MAX_FILTER_TAP / 2 - 1;
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for (int r = 0; r < h + MAX_FILTER_TAP - 1; ++r) {
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for (int c = 0; c < w + MAX_FILTER_TAP - 1; ++c) {
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buf[r * (*stride) + c] = rnd_.Rand8();
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}
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}
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return buf + offset * (*stride) + offset;
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}
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virtual uint8_t *add_output(int w, int /*h*/, int *stride) {
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uint8_t *buf =
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reinterpret_cast<uint8_t *>(aom_memalign(kDataAlignment, kBufferSize));
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buf_ls_.push_back(buf);
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*stride = w;
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return buf;
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}
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virtual void random_init_buf(uint8_t *buf, int w, int h, int stride) {
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for (int r = 0; r < h; ++r) {
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for (int c = 0; c < w; ++c) {
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buf[r * stride + c] = rnd_.Rand8();
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}
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}
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}
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protected:
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static const int kDataAlignment = 16;
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static const int kOuterBlockSize = MAX_SB_SIZE + MAX_FILTER_TAP - 1;
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static const int kBufferSize = kOuterBlockSize * kOuterBlockSize;
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std::vector<uint8_t *> buf_ls_;
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InterpFilter interp_filter_ls_[4];
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ConvolveFunctions *cfs_;
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ACMRandom rnd_;
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};
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int bsize_ls[] = { 1, 2, 4, 8, 16, 32, 64, 3, 7, 15, 31, 63 };
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int bsize_num = NELEMENTS(bsize_ls);
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TEST_P(Av1ConvolveTest, av1_convolve_vert) {
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const int y_step_q4 = 16;
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ConvolveParams conv_params = get_conv_params(0, 0, 0);
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int in_stride, out_stride, ref_out_stride, avg_out_stride, ref_avg_out_stride;
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uint8_t *in = add_input(MAX_SB_SIZE, MAX_SB_SIZE, &in_stride);
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uint8_t *out = add_output(MAX_SB_SIZE, MAX_SB_SIZE, &out_stride);
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uint8_t *ref_out = add_output(MAX_SB_SIZE, MAX_SB_SIZE, &ref_out_stride);
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uint8_t *avg_out = add_output(MAX_SB_SIZE, MAX_SB_SIZE, &avg_out_stride);
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uint8_t *ref_avg_out =
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add_output(MAX_SB_SIZE, MAX_SB_SIZE, &ref_avg_out_stride);
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for (int hb_idx = 0; hb_idx < bsize_num; ++hb_idx) {
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for (int vb_idx = 0; vb_idx < bsize_num; ++vb_idx) {
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int w = bsize_ls[hb_idx];
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int h = bsize_ls[vb_idx];
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for (int subpel_y_q4 = 0; subpel_y_q4 < SUBPEL_SHIFTS; ++subpel_y_q4) {
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InterpFilter filter_y = interp_filter_ls_[0];
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InterpFilterParams param_vert = av1_get_interp_filter_params(filter_y);
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const int16_t *filter_vert =
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av1_get_interp_filter_subpel_kernel(param_vert, subpel_y_q4);
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filter_block1d_vert_c(in, in_stride, filter_vert, param_vert.taps,
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ref_out, ref_out_stride, w, h);
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conv_params.ref = 0;
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conv_params.do_average = 0;
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cfs_->vf_(in, in_stride, out, out_stride, w, h, param_vert, subpel_y_q4,
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y_step_q4, &conv_params);
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EXPECT_EQ(match(out, out_stride, ref_out, ref_out_stride, w, h), 1)
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<< " hb_idx " << hb_idx << " vb_idx " << vb_idx << " filter_y "
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<< filter_y << " subpel_y_q4 " << subpel_y_q4;
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random_init_buf(avg_out, w, h, avg_out_stride);
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for (int r = 0; r < h; ++r) {
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for (int c = 0; c < w; ++c) {
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ref_avg_out[r * ref_avg_out_stride + c] = ROUND_POWER_OF_TWO(
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avg_out[r * avg_out_stride + c] + out[r * out_stride + c], 1);
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}
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}
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conv_params.ref = 1;
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conv_params.do_average = 1;
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cfs_->vf_(in, in_stride, avg_out, avg_out_stride, w, h, param_vert,
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subpel_y_q4, y_step_q4, &conv_params);
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EXPECT_EQ(match(avg_out, avg_out_stride, ref_avg_out,
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ref_avg_out_stride, w, h),
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1)
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<< " hb_idx " << hb_idx << " vb_idx " << vb_idx << " filter_y "
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<< filter_y << " subpel_y_q4 " << subpel_y_q4;
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}
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}
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}
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};
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TEST_P(Av1ConvolveTest, av1_convolve_horiz) {
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const int x_step_q4 = 16;
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ConvolveParams conv_params = get_conv_params(0, 0, 0);
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int in_stride, out_stride, ref_out_stride, avg_out_stride, ref_avg_out_stride;
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uint8_t *in = add_input(MAX_SB_SIZE, MAX_SB_SIZE, &in_stride);
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uint8_t *out = add_output(MAX_SB_SIZE, MAX_SB_SIZE, &out_stride);
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uint8_t *ref_out = add_output(MAX_SB_SIZE, MAX_SB_SIZE, &ref_out_stride);
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uint8_t *avg_out = add_output(MAX_SB_SIZE, MAX_SB_SIZE, &avg_out_stride);
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uint8_t *ref_avg_out =
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add_output(MAX_SB_SIZE, MAX_SB_SIZE, &ref_avg_out_stride);
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for (int hb_idx = 0; hb_idx < bsize_num; ++hb_idx) {
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for (int vb_idx = 0; vb_idx < bsize_num; ++vb_idx) {
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int w = bsize_ls[hb_idx];
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int h = bsize_ls[vb_idx];
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for (int subpel_x_q4 = 0; subpel_x_q4 < SUBPEL_SHIFTS; ++subpel_x_q4) {
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InterpFilter filter_x = interp_filter_ls_[1];
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InterpFilterParams param_horiz = av1_get_interp_filter_params(filter_x);
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const int16_t *filter_horiz =
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av1_get_interp_filter_subpel_kernel(param_horiz, subpel_x_q4);
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filter_block1d_horiz_c(in, in_stride, filter_horiz, param_horiz.taps,
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ref_out, ref_out_stride, w, h);
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conv_params.ref = 0;
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conv_params.do_average = 0;
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cfs_->hf_(in, in_stride, out, out_stride, w, h, param_horiz,
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subpel_x_q4, x_step_q4, &conv_params);
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EXPECT_EQ(match(out, out_stride, ref_out, ref_out_stride, w, h), 1)
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<< " hb_idx " << hb_idx << " vb_idx " << vb_idx << " filter_x "
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<< filter_x << " subpel_x_q4 " << subpel_x_q4;
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random_init_buf(avg_out, w, h, avg_out_stride);
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for (int r = 0; r < h; ++r) {
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for (int c = 0; c < w; ++c) {
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ref_avg_out[r * ref_avg_out_stride + c] = ROUND_POWER_OF_TWO(
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avg_out[r * avg_out_stride + c] + out[r * out_stride + c], 1);
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}
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}
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conv_params.ref = 1;
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conv_params.do_average = 1;
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cfs_->hf_(in, in_stride, avg_out, avg_out_stride, w, h, param_horiz,
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subpel_x_q4, x_step_q4, &conv_params);
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EXPECT_EQ(match(avg_out, avg_out_stride, ref_avg_out,
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ref_avg_out_stride, w, h),
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1)
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<< "hb_idx " << hb_idx << "vb_idx" << vb_idx << " filter_x "
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<< filter_x << "subpel_x_q4 " << subpel_x_q4;
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}
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}
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}
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};
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ConvolveFunctions convolve_functions_c(av1_convolve_horiz_c,
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av1_convolve_vert_c);
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InterpFilter filter_ls[] = { EIGHTTAP_REGULAR, EIGHTTAP_SMOOTH,
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MULTITAP_SHARP };
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INSTANTIATE_TEST_CASE_P(
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C, Av1ConvolveTest,
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::testing::Combine(::testing::Values(&convolve_functions_c),
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::testing::ValuesIn(filter_ls),
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::testing::ValuesIn(filter_ls)));
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#if CONFIG_HIGHBITDEPTH
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#ifndef __clang_analyzer__
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TEST(AV1ConvolveTest, av1_highbd_convolve) {
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ACMRandom rnd(ACMRandom::DeterministicSeed());
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InterpFilters interp_filters = av1_broadcast_interp_filter(EIGHTTAP_REGULAR);
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InterpFilterParams filter_params =
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av1_get_interp_filter_params(EIGHTTAP_REGULAR);
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int filter_size = filter_params.taps;
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int filter_center = filter_size / 2 - 1;
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uint16_t src[12 * 12];
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int src_stride = filter_size;
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uint16_t dst[1] = { 0 };
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int dst_stride = 1;
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int x_step_q4 = 16;
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int y_step_q4 = 16;
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int avg = 0;
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int bd = 10;
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int w = 1;
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int h = 1;
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int subpel_x_q4;
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int subpel_y_q4;
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for (int i = 0; i < filter_size * filter_size; i++) {
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src[i] = rnd.Rand16() % (1 << bd);
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}
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for (subpel_x_q4 = 0; subpel_x_q4 < SUBPEL_SHIFTS; subpel_x_q4++) {
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for (subpel_y_q4 = 0; subpel_y_q4 < SUBPEL_SHIFTS; subpel_y_q4++) {
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av1_highbd_convolve(
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CONVERT_TO_BYTEPTR(src + src_stride * filter_center + filter_center),
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src_stride, CONVERT_TO_BYTEPTR(dst), dst_stride, w, h, interp_filters,
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subpel_x_q4, x_step_q4, subpel_y_q4, y_step_q4, avg, bd);
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const int16_t *x_filter =
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av1_get_interp_filter_subpel_kernel(filter_params, subpel_x_q4);
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const int16_t *y_filter =
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av1_get_interp_filter_subpel_kernel(filter_params, subpel_y_q4);
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int temp[12];
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int dst_ref = 0;
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for (int r = 0; r < filter_size; r++) {
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temp[r] = 0;
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for (int c = 0; c < filter_size; c++) {
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temp[r] += x_filter[c] * src[r * filter_size + c];
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}
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temp[r] =
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clip_pixel_highbd(ROUND_POWER_OF_TWO(temp[r], FILTER_BITS), bd);
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dst_ref += temp[r] * y_filter[r];
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}
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dst_ref = clip_pixel_highbd(ROUND_POWER_OF_TWO(dst_ref, FILTER_BITS), bd);
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EXPECT_EQ(dst[0], dst_ref);
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}
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}
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}
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#endif
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TEST(AV1ConvolveTest, av1_highbd_convolve_avg) {
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ACMRandom rnd(ACMRandom::DeterministicSeed());
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InterpFilters interp_filters = av1_broadcast_interp_filter(EIGHTTAP_REGULAR);
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InterpFilterParams filter_params =
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av1_get_interp_filter_params(EIGHTTAP_REGULAR);
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int filter_size = filter_params.taps;
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int filter_center = filter_size / 2 - 1;
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uint16_t src0[12 * 12];
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uint16_t src1[12 * 12];
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int src_stride = filter_size;
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uint16_t dst0[1] = { 0 };
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uint16_t dst1[1] = { 0 };
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uint16_t dst[1] = { 0 };
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int dst_stride = 1;
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int x_step_q4 = 16;
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int y_step_q4 = 16;
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int avg = 0;
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int bd = 10;
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int w = 1;
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int h = 1;
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int subpel_x_q4;
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int subpel_y_q4;
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for (int i = 0; i < filter_size * filter_size; i++) {
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src0[i] = rnd.Rand16() % (1 << bd);
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src1[i] = rnd.Rand16() % (1 << bd);
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}
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for (subpel_x_q4 = 0; subpel_x_q4 < SUBPEL_SHIFTS; subpel_x_q4++) {
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for (subpel_y_q4 = 0; subpel_y_q4 < SUBPEL_SHIFTS; subpel_y_q4++) {
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int offset = filter_size * filter_center + filter_center;
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avg = 0;
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av1_highbd_convolve(CONVERT_TO_BYTEPTR(src0 + offset), src_stride,
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CONVERT_TO_BYTEPTR(dst0), dst_stride, w, h,
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interp_filters, subpel_x_q4, x_step_q4, subpel_y_q4,
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y_step_q4, avg, bd);
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avg = 0;
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av1_highbd_convolve(CONVERT_TO_BYTEPTR(src1 + offset), src_stride,
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CONVERT_TO_BYTEPTR(dst1), dst_stride, w, h,
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interp_filters, subpel_x_q4, x_step_q4, subpel_y_q4,
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y_step_q4, avg, bd);
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avg = 0;
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av1_highbd_convolve(CONVERT_TO_BYTEPTR(src0 + offset), src_stride,
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CONVERT_TO_BYTEPTR(dst), dst_stride, w, h,
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interp_filters, subpel_x_q4, x_step_q4, subpel_y_q4,
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y_step_q4, avg, bd);
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avg = 1;
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av1_highbd_convolve(CONVERT_TO_BYTEPTR(src1 + offset), src_stride,
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CONVERT_TO_BYTEPTR(dst), dst_stride, w, h,
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interp_filters, subpel_x_q4, x_step_q4, subpel_y_q4,
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y_step_q4, avg, bd);
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EXPECT_EQ(dst[0], ROUND_POWER_OF_TWO(dst0[0] + dst1[0], 1));
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}
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}
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}
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#endif // CONFIG_HIGHBITDEPTH
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#define CONVOLVE_SPEED_TEST 0
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#if CONVOLVE_SPEED_TEST
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#define highbd_convolve_speed(func, block_size, frame_size) \
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TEST(AV1ConvolveTest, func##_speed_##block_size##_##frame_size) { \
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ACMRandom rnd(ACMRandom::DeterministicSeed()); \
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InterpFilter interp_filter = EIGHTTAP; \
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InterpFilterParams filter_params = \
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av1_get_interp_filter_params(interp_filter); \
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int filter_size = filter_params.tap; \
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int filter_center = filter_size / 2 - 1; \
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DECLARE_ALIGNED(16, uint16_t, \
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src[(frame_size + 7) * (frame_size + 7)]) = { 0 }; \
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int src_stride = frame_size + 7; \
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DECLARE_ALIGNED(16, uint16_t, dst[frame_size * frame_size]) = { 0 }; \
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int dst_stride = frame_size; \
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int x_step_q4 = 16; \
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int y_step_q4 = 16; \
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int subpel_x_q4 = 8; \
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int subpel_y_q4 = 6; \
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int bd = 10; \
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\
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int w = block_size; \
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int h = block_size; \
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|
\
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const int16_t *filter_x = \
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av1_get_interp_filter_kernel(filter_params, subpel_x_q4); \
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const int16_t *filter_y = \
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av1_get_interp_filter_kernel(filter_params, subpel_y_q4); \
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|
\
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for (int i = 0; i < src_stride * src_stride; i++) { \
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src[i] = rnd.Rand16() % (1 << bd); \
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|
} \
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|
\
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|
int offset = filter_center * src_stride + filter_center; \
|
|
int row_offset = 0; \
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|
int col_offset = 0; \
|
|
for (int i = 0; i < 100000; i++) { \
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|
int src_total_offset = offset + col_offset * src_stride + row_offset; \
|
|
int dst_total_offset = col_offset * dst_stride + row_offset; \
|
|
func(CONVERT_TO_BYTEPTR(src + src_total_offset), src_stride, \
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|
CONVERT_TO_BYTEPTR(dst + dst_total_offset), dst_stride, filter_x, \
|
|
x_step_q4, filter_y, y_step_q4, w, h, bd); \
|
|
if (offset + w + w < frame_size) { \
|
|
row_offset += w; \
|
|
} else { \
|
|
row_offset = 0; \
|
|
col_offset += h; \
|
|
} \
|
|
if (col_offset + h >= frame_size) { \
|
|
col_offset = 0; \
|
|
} \
|
|
} \
|
|
}
|
|
|
|
#define lowbd_convolve_speed(func, block_size, frame_size) \
|
|
TEST(AV1ConvolveTest, func##_speed_l_##block_size##_##frame_size) { \
|
|
ACMRandom rnd(ACMRandom::DeterministicSeed()); \
|
|
InterpFilter interp_filter = EIGHTTAP; \
|
|
InterpFilterParams filter_params = \
|
|
av1_get_interp_filter_params(interp_filter); \
|
|
int filter_size = filter_params.tap; \
|
|
int filter_center = filter_size / 2 - 1; \
|
|
DECLARE_ALIGNED(16, uint8_t, src[(frame_size + 7) * (frame_size + 7)]); \
|
|
int src_stride = frame_size + 7; \
|
|
DECLARE_ALIGNED(16, uint8_t, dst[frame_size * frame_size]); \
|
|
int dst_stride = frame_size; \
|
|
int x_step_q4 = 16; \
|
|
int y_step_q4 = 16; \
|
|
int subpel_x_q4 = 8; \
|
|
int subpel_y_q4 = 6; \
|
|
int bd = 8; \
|
|
\
|
|
int w = block_size; \
|
|
int h = block_size; \
|
|
\
|
|
const int16_t *filter_x = \
|
|
av1_get_interp_filter_kernel(filter_params, subpel_x_q4); \
|
|
const int16_t *filter_y = \
|
|
av1_get_interp_filter_kernel(filter_params, subpel_y_q4); \
|
|
\
|
|
for (int i = 0; i < src_stride * src_stride; i++) { \
|
|
src[i] = rnd.Rand16() % (1 << bd); \
|
|
} \
|
|
\
|
|
int offset = filter_center * src_stride + filter_center; \
|
|
int row_offset = 0; \
|
|
int col_offset = 0; \
|
|
for (int i = 0; i < 100000; i++) { \
|
|
func(src + offset, src_stride, dst, dst_stride, filter_x, x_step_q4, \
|
|
filter_y, y_step_q4, w, h); \
|
|
if (offset + w + w < frame_size) { \
|
|
row_offset += w; \
|
|
} else { \
|
|
row_offset = 0; \
|
|
col_offset += h; \
|
|
} \
|
|
if (col_offset + h >= frame_size) { \
|
|
col_offset = 0; \
|
|
} \
|
|
} \
|
|
}
|
|
|
|
// This experiment shows that when frame size is 64x64
|
|
// aom_highbd_convolve8_sse2 and aom_convolve8_sse2's speed are similar.
|
|
// However when frame size becomes 1024x1024
|
|
// aom_highbd_convolve8_sse2 is around 50% slower than aom_convolve8_sse2
|
|
// we think the bottleneck is from memory IO
|
|
highbd_convolve_speed(aom_highbd_convolve8_sse2, 8, 64);
|
|
highbd_convolve_speed(aom_highbd_convolve8_sse2, 16, 64);
|
|
highbd_convolve_speed(aom_highbd_convolve8_sse2, 32, 64);
|
|
highbd_convolve_speed(aom_highbd_convolve8_sse2, 64, 64);
|
|
|
|
lowbd_convolve_speed(aom_convolve8_sse2, 8, 64);
|
|
lowbd_convolve_speed(aom_convolve8_sse2, 16, 64);
|
|
lowbd_convolve_speed(aom_convolve8_sse2, 32, 64);
|
|
lowbd_convolve_speed(aom_convolve8_sse2, 64, 64);
|
|
|
|
highbd_convolve_speed(aom_highbd_convolve8_sse2, 8, 1024);
|
|
highbd_convolve_speed(aom_highbd_convolve8_sse2, 16, 1024);
|
|
highbd_convolve_speed(aom_highbd_convolve8_sse2, 32, 1024);
|
|
highbd_convolve_speed(aom_highbd_convolve8_sse2, 64, 1024);
|
|
|
|
lowbd_convolve_speed(aom_convolve8_sse2, 8, 1024);
|
|
lowbd_convolve_speed(aom_convolve8_sse2, 16, 1024);
|
|
lowbd_convolve_speed(aom_convolve8_sse2, 32, 1024);
|
|
lowbd_convolve_speed(aom_convolve8_sse2, 64, 1024);
|
|
#endif // CONVOLVE_SPEED_TEST
|
|
} // namespace
|