mirror of
https://chromium.googlesource.com/libyuv/libyuv
synced 2025-12-07 01:06:46 +08:00
80e27fc747
When command line --libyuv_cpu_info is used the individual tests used to need to set the cpumask. This CL moves that to the init for each test class so the individual tests dont need to set it. TBR=kjellander@chromium.org BUG=libyuv:720 TEST=LibYUVBaseTest.TestCpuHas Change-Id: I6ae180388debf6cf76be6df5b81cfffeb35ee2eb Reviewed-on: https://chromium-review.googlesource.com/662367 Reviewed-by: Cheng Wang <wangcheng@google.com>
535 lines
21 KiB
C++
535 lines
21 KiB
C++
/*
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* Copyright 2011 The LibYuv 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 <stdlib.h>
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#include <time.h>
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#include "../unit_test/unit_test.h"
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#include "libyuv/cpu_id.h"
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#include "libyuv/scale.h"
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#include "libyuv/scale_row.h" // For ScaleRowDown2Box_Odd_C
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#define STRINGIZE(line) #line
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#define FILELINESTR(file, line) file ":" STRINGIZE(line)
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namespace libyuv {
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// Test scaling with C vs Opt and return maximum pixel difference. 0 = exact.
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static int TestFilter(int src_width,
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int src_height,
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int dst_width,
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int dst_height,
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FilterMode f,
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int benchmark_iterations,
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int disable_cpu_flags,
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int benchmark_cpu_info) {
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if (!SizeValid(src_width, src_height, dst_width, dst_height)) {
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return 0;
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}
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int i, j;
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const int b = 0; // 128 to test for padding/stride.
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int src_width_uv = (Abs(src_width) + 1) >> 1;
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int src_height_uv = (Abs(src_height) + 1) >> 1;
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int64 src_y_plane_size = (Abs(src_width) + b * 2) * (Abs(src_height) + b * 2);
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int64 src_uv_plane_size = (src_width_uv + b * 2) * (src_height_uv + b * 2);
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int src_stride_y = b * 2 + Abs(src_width);
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int src_stride_uv = b * 2 + src_width_uv;
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align_buffer_page_end(src_y, src_y_plane_size)
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align_buffer_page_end(src_u, src_uv_plane_size) align_buffer_page_end(
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src_v, src_uv_plane_size) if (!src_y || !src_u || !src_v) {
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printf("Skipped. Alloc failed " FILELINESTR(__FILE__, __LINE__) "\n");
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return 0;
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}
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MemRandomize(src_y, src_y_plane_size);
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MemRandomize(src_u, src_uv_plane_size);
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MemRandomize(src_v, src_uv_plane_size);
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int dst_width_uv = (dst_width + 1) >> 1;
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int dst_height_uv = (dst_height + 1) >> 1;
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int64 dst_y_plane_size = (dst_width + b * 2) * (dst_height + b * 2);
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int64 dst_uv_plane_size = (dst_width_uv + b * 2) * (dst_height_uv + b * 2);
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int dst_stride_y = b * 2 + dst_width;
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int dst_stride_uv = b * 2 + dst_width_uv;
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align_buffer_page_end(dst_y_c, dst_y_plane_size)
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align_buffer_page_end(dst_u_c, dst_uv_plane_size)
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align_buffer_page_end(dst_v_c, dst_uv_plane_size)
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align_buffer_page_end(dst_y_opt, dst_y_plane_size)
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align_buffer_page_end(dst_u_opt, dst_uv_plane_size)
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align_buffer_page_end(
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dst_v_opt,
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dst_uv_plane_size) if (!dst_y_c || !dst_u_c ||
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!dst_v_c || !dst_y_opt ||
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!dst_u_opt || !dst_v_opt) {
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printf("Skipped. Alloc failed " FILELINESTR(__FILE__, __LINE__) "\n");
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return 0;
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}
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MaskCpuFlags(disable_cpu_flags); // Disable all CPU optimization.
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double c_time = get_time();
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I420Scale(src_y + (src_stride_y * b) + b, src_stride_y,
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src_u + (src_stride_uv * b) + b, src_stride_uv,
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src_v + (src_stride_uv * b) + b, src_stride_uv, src_width,
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src_height, dst_y_c + (dst_stride_y * b) + b, dst_stride_y,
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dst_u_c + (dst_stride_uv * b) + b, dst_stride_uv,
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dst_v_c + (dst_stride_uv * b) + b, dst_stride_uv, dst_width,
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dst_height, f);
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c_time = (get_time() - c_time);
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MaskCpuFlags(benchmark_cpu_info); // Enable all CPU optimization.
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double opt_time = get_time();
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for (i = 0; i < benchmark_iterations; ++i) {
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I420Scale(src_y + (src_stride_y * b) + b, src_stride_y,
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src_u + (src_stride_uv * b) + b, src_stride_uv,
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src_v + (src_stride_uv * b) + b, src_stride_uv, src_width,
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src_height, dst_y_opt + (dst_stride_y * b) + b, dst_stride_y,
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dst_u_opt + (dst_stride_uv * b) + b, dst_stride_uv,
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dst_v_opt + (dst_stride_uv * b) + b, dst_stride_uv, dst_width,
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dst_height, f);
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}
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opt_time = (get_time() - opt_time) / benchmark_iterations;
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// Report performance of C vs OPT
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printf("filter %d - %8d us C - %8d us OPT\n", f,
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static_cast<int>(c_time * 1e6), static_cast<int>(opt_time * 1e6));
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// C version may be a little off from the optimized. Order of
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// operations may introduce rounding somewhere. So do a difference
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// of the buffers and look to see that the max difference isn't
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// over 2.
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int max_diff = 0;
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for (i = b; i < (dst_height + b); ++i) {
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for (j = b; j < (dst_width + b); ++j) {
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int abs_diff = Abs(dst_y_c[(i * dst_stride_y) + j] -
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dst_y_opt[(i * dst_stride_y) + j]);
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if (abs_diff > max_diff) {
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max_diff = abs_diff;
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}
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}
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}
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for (i = b; i < (dst_height_uv + b); ++i) {
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for (j = b; j < (dst_width_uv + b); ++j) {
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int abs_diff = Abs(dst_u_c[(i * dst_stride_uv) + j] -
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dst_u_opt[(i * dst_stride_uv) + j]);
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if (abs_diff > max_diff) {
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max_diff = abs_diff;
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}
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abs_diff = Abs(dst_v_c[(i * dst_stride_uv) + j] -
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dst_v_opt[(i * dst_stride_uv) + j]);
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if (abs_diff > max_diff) {
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max_diff = abs_diff;
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}
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}
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}
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free_aligned_buffer_page_end(dst_y_c) free_aligned_buffer_page_end(dst_u_c)
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free_aligned_buffer_page_end(dst_v_c)
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free_aligned_buffer_page_end(dst_y_opt)
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free_aligned_buffer_page_end(dst_u_opt)
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free_aligned_buffer_page_end(dst_v_opt)
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free_aligned_buffer_page_end(src_y)
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free_aligned_buffer_page_end(src_u)
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free_aligned_buffer_page_end(src_v)
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return max_diff;
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}
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// Test scaling with 8 bit C vs 16 bit C and return maximum pixel difference.
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// 0 = exact.
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static int TestFilter_16(int src_width,
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int src_height,
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int dst_width,
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int dst_height,
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FilterMode f,
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int benchmark_iterations) {
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if (!SizeValid(src_width, src_height, dst_width, dst_height)) {
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return 0;
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}
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int i, j;
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const int b = 0; // 128 to test for padding/stride.
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int src_width_uv = (Abs(src_width) + 1) >> 1;
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int src_height_uv = (Abs(src_height) + 1) >> 1;
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int64 src_y_plane_size = (Abs(src_width) + b * 2) * (Abs(src_height) + b * 2);
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int64 src_uv_plane_size = (src_width_uv + b * 2) * (src_height_uv + b * 2);
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int src_stride_y = b * 2 + Abs(src_width);
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int src_stride_uv = b * 2 + src_width_uv;
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align_buffer_page_end(src_y, src_y_plane_size) align_buffer_page_end(
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src_u, src_uv_plane_size) align_buffer_page_end(src_v, src_uv_plane_size)
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align_buffer_page_end(src_y_16, src_y_plane_size * 2)
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align_buffer_page_end(src_u_16, src_uv_plane_size * 2)
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align_buffer_page_end(src_v_16, src_uv_plane_size * 2)
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uint16* p_src_y_16 = reinterpret_cast<uint16*>(src_y_16);
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uint16* p_src_u_16 = reinterpret_cast<uint16*>(src_u_16);
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uint16* p_src_v_16 = reinterpret_cast<uint16*>(src_v_16);
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MemRandomize(src_y, src_y_plane_size);
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MemRandomize(src_u, src_uv_plane_size);
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MemRandomize(src_v, src_uv_plane_size);
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for (i = b; i < src_height + b; ++i) {
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for (j = b; j < src_width + b; ++j) {
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p_src_y_16[(i * src_stride_y) + j] = src_y[(i * src_stride_y) + j];
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}
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}
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for (i = b; i < (src_height_uv + b); ++i) {
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for (j = b; j < (src_width_uv + b); ++j) {
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p_src_u_16[(i * src_stride_uv) + j] = src_u[(i * src_stride_uv) + j];
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p_src_v_16[(i * src_stride_uv) + j] = src_v[(i * src_stride_uv) + j];
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}
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}
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int dst_width_uv = (dst_width + 1) >> 1;
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int dst_height_uv = (dst_height + 1) >> 1;
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int dst_y_plane_size = (dst_width + b * 2) * (dst_height + b * 2);
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int dst_uv_plane_size = (dst_width_uv + b * 2) * (dst_height_uv + b * 2);
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int dst_stride_y = b * 2 + dst_width;
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int dst_stride_uv = b * 2 + dst_width_uv;
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align_buffer_page_end(dst_y_8, dst_y_plane_size)
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align_buffer_page_end(dst_u_8, dst_uv_plane_size)
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align_buffer_page_end(dst_v_8, dst_uv_plane_size)
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align_buffer_page_end(dst_y_16, dst_y_plane_size * 2)
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align_buffer_page_end(dst_u_16, dst_uv_plane_size * 2)
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align_buffer_page_end(dst_v_16, dst_uv_plane_size * 2)
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uint16* p_dst_y_16 =
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reinterpret_cast<uint16*>(dst_y_16);
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uint16* p_dst_u_16 = reinterpret_cast<uint16*>(dst_u_16);
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uint16* p_dst_v_16 = reinterpret_cast<uint16*>(dst_v_16);
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I420Scale(src_y + (src_stride_y * b) + b, src_stride_y,
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src_u + (src_stride_uv * b) + b, src_stride_uv,
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src_v + (src_stride_uv * b) + b, src_stride_uv, src_width,
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src_height, dst_y_8 + (dst_stride_y * b) + b, dst_stride_y,
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dst_u_8 + (dst_stride_uv * b) + b, dst_stride_uv,
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dst_v_8 + (dst_stride_uv * b) + b, dst_stride_uv, dst_width,
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dst_height, f);
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for (i = 0; i < benchmark_iterations; ++i) {
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I420Scale_16(p_src_y_16 + (src_stride_y * b) + b, src_stride_y,
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p_src_u_16 + (src_stride_uv * b) + b, src_stride_uv,
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p_src_v_16 + (src_stride_uv * b) + b, src_stride_uv, src_width,
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src_height, p_dst_y_16 + (dst_stride_y * b) + b, dst_stride_y,
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p_dst_u_16 + (dst_stride_uv * b) + b, dst_stride_uv,
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p_dst_v_16 + (dst_stride_uv * b) + b, dst_stride_uv, dst_width,
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dst_height, f);
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}
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// Expect an exact match
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int max_diff = 0;
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for (i = b; i < (dst_height + b); ++i) {
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for (j = b; j < (dst_width + b); ++j) {
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int abs_diff = Abs(dst_y_8[(i * dst_stride_y) + j] -
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p_dst_y_16[(i * dst_stride_y) + j]);
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if (abs_diff > max_diff) {
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max_diff = abs_diff;
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}
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}
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}
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for (i = b; i < (dst_height_uv + b); ++i) {
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for (j = b; j < (dst_width_uv + b); ++j) {
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int abs_diff = Abs(dst_u_8[(i * dst_stride_uv) + j] -
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p_dst_u_16[(i * dst_stride_uv) + j]);
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if (abs_diff > max_diff) {
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max_diff = abs_diff;
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}
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abs_diff = Abs(dst_v_8[(i * dst_stride_uv) + j] -
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p_dst_v_16[(i * dst_stride_uv) + j]);
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if (abs_diff > max_diff) {
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max_diff = abs_diff;
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}
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}
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}
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free_aligned_buffer_page_end(dst_y_8) free_aligned_buffer_page_end(dst_u_8)
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free_aligned_buffer_page_end(dst_v_8)
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free_aligned_buffer_page_end(dst_y_16)
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free_aligned_buffer_page_end(dst_u_16)
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free_aligned_buffer_page_end(dst_v_16)
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free_aligned_buffer_page_end(src_y)
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free_aligned_buffer_page_end(src_u)
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free_aligned_buffer_page_end(src_v)
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free_aligned_buffer_page_end(src_y_16)
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free_aligned_buffer_page_end(src_u_16)
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free_aligned_buffer_page_end(src_v_16)
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return max_diff;
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}
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// The following adjustments in dimensions ensure the scale factor will be
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// exactly achieved.
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// 2 is chroma subsample
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#define DX(x, nom, denom) static_cast<int>(((Abs(x) / nom + 1) / 2) * nom * 2)
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#define SX(x, nom, denom) static_cast<int>(((x / nom + 1) / 2) * denom * 2)
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#define TEST_FACTOR1(name, filter, nom, denom, max_diff) \
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TEST_F(LibYUVScaleTest, ScaleDownBy##name##_##filter) { \
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int diff = TestFilter( \
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SX(benchmark_width_, nom, denom), SX(benchmark_height_, nom, denom), \
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DX(benchmark_width_, nom, denom), DX(benchmark_height_, nom, denom), \
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kFilter##filter, benchmark_iterations_, disable_cpu_flags_, \
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benchmark_cpu_info_); \
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EXPECT_LE(diff, max_diff); \
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} \
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TEST_F(LibYUVScaleTest, DISABLED_ScaleDownBy##name##_##filter##_16) { \
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int diff = TestFilter_16( \
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SX(benchmark_width_, nom, denom), SX(benchmark_height_, nom, denom), \
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DX(benchmark_width_, nom, denom), DX(benchmark_height_, nom, denom), \
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kFilter##filter, benchmark_iterations_); \
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EXPECT_LE(diff, max_diff); \
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}
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// Test a scale factor with all 4 filters. Expect unfiltered to be exact, but
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// filtering is different fixed point implementations for SSSE3, Neon and C.
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#define TEST_FACTOR(name, nom, denom, boxdiff) \
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TEST_FACTOR1(name, None, nom, denom, 0) \
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TEST_FACTOR1(name, Linear, nom, denom, 3) \
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TEST_FACTOR1(name, Bilinear, nom, denom, 3) \
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TEST_FACTOR1(name, Box, nom, denom, boxdiff)
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TEST_FACTOR(2, 1, 2, 0)
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TEST_FACTOR(4, 1, 4, 0)
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TEST_FACTOR(8, 1, 8, 0)
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TEST_FACTOR(3by4, 3, 4, 1)
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TEST_FACTOR(3by8, 3, 8, 1)
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TEST_FACTOR(3, 1, 3, 0)
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#undef TEST_FACTOR1
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#undef TEST_FACTOR
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#undef SX
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#undef DX
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#define TEST_SCALETO1(name, width, height, filter, max_diff) \
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TEST_F(LibYUVScaleTest, name##To##width##x##height##_##filter) { \
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int diff = TestFilter(benchmark_width_, benchmark_height_, width, height, \
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kFilter##filter, benchmark_iterations_, \
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disable_cpu_flags_, benchmark_cpu_info_); \
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EXPECT_LE(diff, max_diff); \
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} \
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TEST_F(LibYUVScaleTest, name##From##width##x##height##_##filter) { \
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int diff = TestFilter(width, height, Abs(benchmark_width_), \
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Abs(benchmark_height_), kFilter##filter, \
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benchmark_iterations_, disable_cpu_flags_, \
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benchmark_cpu_info_); \
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EXPECT_LE(diff, max_diff); \
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} \
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TEST_F(LibYUVScaleTest, \
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DISABLED_##name##To##width##x##height##_##filter##_16) { \
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int diff = TestFilter_16(benchmark_width_, benchmark_height_, width, \
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height, kFilter##filter, benchmark_iterations_); \
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EXPECT_LE(diff, max_diff); \
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} \
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TEST_F(LibYUVScaleTest, \
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DISABLED_##name##From##width##x##height##_##filter##_16) { \
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int diff = TestFilter_16(width, height, Abs(benchmark_width_), \
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Abs(benchmark_height_), kFilter##filter, \
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benchmark_iterations_); \
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EXPECT_LE(diff, max_diff); \
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}
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// Test scale to a specified size with all 4 filters.
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#define TEST_SCALETO(name, width, height) \
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TEST_SCALETO1(name, width, height, None, 0) \
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TEST_SCALETO1(name, width, height, Linear, 0) \
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TEST_SCALETO1(name, width, height, Bilinear, 0) \
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TEST_SCALETO1(name, width, height, Box, 0)
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TEST_SCALETO(Scale, 1, 1)
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TEST_SCALETO(Scale, 320, 240)
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TEST_SCALETO(Scale, 352, 288)
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TEST_SCALETO(Scale, 569, 480)
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TEST_SCALETO(Scale, 640, 360)
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TEST_SCALETO(Scale, 1280, 720)
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#undef TEST_SCALETO1
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#undef TEST_SCALETO
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#ifdef HAS_SCALEROWDOWN2_SSSE3
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TEST_F(LibYUVScaleTest, TestScaleOdd) {
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SIMD_ALIGNED(uint8 orig_pixels[128 * 2]);
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SIMD_ALIGNED(uint8 dst_pixels_opt[64]);
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SIMD_ALIGNED(uint8 dst_pixels_c[64]);
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memset(orig_pixels, 0, sizeof(orig_pixels));
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memset(dst_pixels_opt, 0, sizeof(dst_pixels_opt));
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memset(dst_pixels_c, 0, sizeof(dst_pixels_c));
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// TL
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orig_pixels[0] = 255u;
|
|
orig_pixels[1] = 0u;
|
|
orig_pixels[128 + 0] = 0u;
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|
orig_pixels[128 + 1] = 0u;
|
|
// TR
|
|
orig_pixels[2] = 0u;
|
|
orig_pixels[3] = 100u;
|
|
orig_pixels[128 + 2] = 0u;
|
|
orig_pixels[128 + 3] = 0u;
|
|
// BL
|
|
orig_pixels[4] = 0u;
|
|
orig_pixels[5] = 0u;
|
|
orig_pixels[128 + 4] = 50u;
|
|
orig_pixels[128 + 5] = 0u;
|
|
// BR
|
|
orig_pixels[6] = 0u;
|
|
orig_pixels[7] = 0u;
|
|
orig_pixels[128 + 6] = 0u;
|
|
orig_pixels[128 + 7] = 20u;
|
|
// Odd
|
|
orig_pixels[126] = 4u;
|
|
orig_pixels[127] = 255u;
|
|
orig_pixels[128 + 126] = 16u;
|
|
orig_pixels[128 + 127] = 255u;
|
|
|
|
// Test regular half size.
|
|
ScaleRowDown2Box_C(orig_pixels, 128, dst_pixels_c, 64);
|
|
|
|
EXPECT_EQ(64u, dst_pixels_c[0]);
|
|
EXPECT_EQ(25u, dst_pixels_c[1]);
|
|
EXPECT_EQ(13u, dst_pixels_c[2]);
|
|
EXPECT_EQ(5u, dst_pixels_c[3]);
|
|
EXPECT_EQ(0u, dst_pixels_c[4]);
|
|
EXPECT_EQ(133u, dst_pixels_c[63]);
|
|
|
|
// Test Odd width version - Last pixel is just 1 horizontal pixel.
|
|
ScaleRowDown2Box_Odd_C(orig_pixels, 128, dst_pixels_c, 64);
|
|
|
|
EXPECT_EQ(64u, dst_pixels_c[0]);
|
|
EXPECT_EQ(25u, dst_pixels_c[1]);
|
|
EXPECT_EQ(13u, dst_pixels_c[2]);
|
|
EXPECT_EQ(5u, dst_pixels_c[3]);
|
|
EXPECT_EQ(0u, dst_pixels_c[4]);
|
|
EXPECT_EQ(10u, dst_pixels_c[63]);
|
|
|
|
// Test one pixel less, should skip the last pixel.
|
|
memset(dst_pixels_c, 0, sizeof(dst_pixels_c));
|
|
ScaleRowDown2Box_Odd_C(orig_pixels, 128, dst_pixels_c, 63);
|
|
|
|
EXPECT_EQ(64u, dst_pixels_c[0]);
|
|
EXPECT_EQ(25u, dst_pixels_c[1]);
|
|
EXPECT_EQ(13u, dst_pixels_c[2]);
|
|
EXPECT_EQ(5u, dst_pixels_c[3]);
|
|
EXPECT_EQ(0u, dst_pixels_c[4]);
|
|
EXPECT_EQ(0u, dst_pixels_c[63]);
|
|
|
|
// Test regular half size SSSE3.
|
|
ScaleRowDown2Box_SSSE3(orig_pixels, 128, dst_pixels_opt, 64);
|
|
|
|
EXPECT_EQ(64u, dst_pixels_opt[0]);
|
|
EXPECT_EQ(25u, dst_pixels_opt[1]);
|
|
EXPECT_EQ(13u, dst_pixels_opt[2]);
|
|
EXPECT_EQ(5u, dst_pixels_opt[3]);
|
|
EXPECT_EQ(0u, dst_pixels_opt[4]);
|
|
EXPECT_EQ(133u, dst_pixels_opt[63]);
|
|
|
|
// Compare C and SSSE3 match.
|
|
ScaleRowDown2Box_Odd_C(orig_pixels, 128, dst_pixels_c, 64);
|
|
ScaleRowDown2Box_Odd_SSSE3(orig_pixels, 128, dst_pixels_opt, 64);
|
|
for (int i = 0; i < 64; ++i) {
|
|
EXPECT_EQ(dst_pixels_c[i], dst_pixels_opt[i]);
|
|
}
|
|
}
|
|
#endif // HAS_SCALEROWDOWN2_SSSE3
|
|
|
|
extern "C" void ScaleRowUp2_16_NEON(const uint16* src_ptr,
|
|
ptrdiff_t src_stride,
|
|
uint16* dst,
|
|
int dst_width);
|
|
extern "C" void ScaleRowUp2_16_C(const uint16* src_ptr,
|
|
ptrdiff_t src_stride,
|
|
uint16* dst,
|
|
int dst_width);
|
|
|
|
TEST_F(LibYUVScaleTest, TestScaleRowUp2_16) {
|
|
SIMD_ALIGNED(uint16 orig_pixels[640 * 2 + 1]); // 2 rows + 1 pixel overrun
|
|
SIMD_ALIGNED(uint16 dst_pixels_opt[1280]);
|
|
SIMD_ALIGNED(uint16 dst_pixels_c[1280]);
|
|
|
|
memset(orig_pixels, 0, sizeof(orig_pixels));
|
|
memset(dst_pixels_opt, 1, sizeof(dst_pixels_opt));
|
|
memset(dst_pixels_c, 2, sizeof(dst_pixels_c));
|
|
|
|
for (int i = 0; i < 640 * 2 + 1; ++i) {
|
|
orig_pixels[i] = i;
|
|
}
|
|
ScaleRowUp2_16_C(&orig_pixels[0], 640, &dst_pixels_c[0], 1280);
|
|
for (int i = 0; i < benchmark_pixels_div1280_; ++i) {
|
|
#if !defined(LIBYUV_DISABLE_NEON) && defined(__aarch64__)
|
|
int has_neon = TestCpuFlag(kCpuHasNEON);
|
|
if (has_neon) {
|
|
ScaleRowUp2_16_NEON(&orig_pixels[0], 640, &dst_pixels_opt[0], 1280);
|
|
} else {
|
|
ScaleRowUp2_16_C(&orig_pixels[0], 640, &dst_pixels_opt[0], 1280);
|
|
}
|
|
#else
|
|
ScaleRowUp2_16_C(&orig_pixels[0], 640, &dst_pixels_opt[0], 1280);
|
|
#endif
|
|
}
|
|
|
|
for (int i = 0; i < 1280; ++i) {
|
|
EXPECT_EQ(dst_pixels_c[i], dst_pixels_opt[i]);
|
|
}
|
|
EXPECT_EQ(dst_pixels_c[0], (0 * 9 + 1 * 3 + 640 * 3 + 641 * 1 + 8) / 16);
|
|
EXPECT_EQ(dst_pixels_c[1279], 800);
|
|
}
|
|
|
|
extern "C" void ScaleRowDown2Box_16_NEON(const uint16* src_ptr,
|
|
ptrdiff_t src_stride,
|
|
uint16* dst,
|
|
int dst_width);
|
|
|
|
TEST_F(LibYUVScaleTest, TestScaleRowDown2Box_16) {
|
|
SIMD_ALIGNED(uint16 orig_pixels[2560 * 2]);
|
|
SIMD_ALIGNED(uint16 dst_pixels_c[1280]);
|
|
SIMD_ALIGNED(uint16 dst_pixels_opt[1280]);
|
|
|
|
memset(orig_pixels, 0, sizeof(orig_pixels));
|
|
memset(dst_pixels_c, 1, sizeof(dst_pixels_c));
|
|
memset(dst_pixels_opt, 2, sizeof(dst_pixels_opt));
|
|
|
|
for (int i = 0; i < 2560 * 2; ++i) {
|
|
orig_pixels[i] = i;
|
|
}
|
|
ScaleRowDown2Box_16_C(&orig_pixels[0], 2560, &dst_pixels_c[0], 1280);
|
|
for (int i = 0; i < benchmark_pixels_div1280_; ++i) {
|
|
#if !defined(LIBYUV_DISABLE_NEON) && defined(__aarch64__)
|
|
int has_neon = TestCpuFlag(kCpuHasNEON);
|
|
if (has_neon) {
|
|
ScaleRowDown2Box_16_NEON(&orig_pixels[0], 2560, &dst_pixels_opt[0], 1280);
|
|
} else {
|
|
ScaleRowDown2Box_16_C(&orig_pixels[0], 2560, &dst_pixels_opt[0], 1280);
|
|
}
|
|
#else
|
|
ScaleRowDown2Box_16_C(&orig_pixels[0], 2560, &dst_pixels_opt[0], 1280);
|
|
#endif
|
|
}
|
|
|
|
for (int i = 0; i < 1280; ++i) {
|
|
EXPECT_EQ(dst_pixels_c[i], dst_pixels_opt[i]);
|
|
}
|
|
|
|
EXPECT_EQ(dst_pixels_c[0], (0 + 1 + 2560 + 2561 + 2) / 4);
|
|
EXPECT_EQ(dst_pixels_c[1279], 3839);
|
|
}
|
|
|
|
} // namespace libyuv
|