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https://chromium.googlesource.com/libyuv/libyuv
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306e984451
BUG= Review URL: https://webrtc-codereview.appspot.com/1449004 git-svn-id: http://libyuv.googlecode.com/svn/trunk@692 16f28f9a-4ce2-e073-06de-1de4eb20be90
585 lines
20 KiB
C++
585 lines
20 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 "libyuv/cpu_id.h"
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#include "libyuv/scale.h"
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#include "../unit_test/unit_test.h"
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namespace libyuv {
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static __inline int Abs(int v) {
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return v >= 0 ? v : -v;
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}
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static int TestFilter(int src_width, int src_height,
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int dst_width, int dst_height,
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FilterMode f, int benchmark_iterations) {
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const int b = 128;
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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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int src_y_plane_size = (Abs(src_width) + b * 2) * (Abs(src_height) + b * 2);
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int 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)
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align_buffer_page_end(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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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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srandom(time(NULL));
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int i, j;
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for (i = b; i < (Abs(src_height) + b); ++i) {
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for (j = b; j < (Abs(src_width) + b); ++j) {
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src_y[(i * src_stride_y) + j] = (random() & 0xff);
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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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src_u[(i * src_stride_uv) + j] = (random() & 0xff);
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src_v[(i * src_stride_uv) + j] = (random() & 0xff);
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}
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}
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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(dst_v_opt, dst_uv_plane_size)
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// Warm up both versions for consistent benchmarks.
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MaskCpuFlags(0); // Disable all CPU optimization.
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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,
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src_width, src_height,
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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,
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dst_width, dst_height, f);
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MaskCpuFlags(-1); // Enable all CPU optimization.
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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,
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src_width, src_height,
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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,
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dst_width, dst_height, f);
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MaskCpuFlags(0); // 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,
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src_width, src_height,
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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,
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dst_width, dst_height, f);
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c_time = (get_time() - c_time);
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MaskCpuFlags(-1); // 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,
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src_width, src_height,
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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,
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dst_width, 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",
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f, 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)
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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_F(libyuvTest, ScaleDownBy2_None) {
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const int src_width = benchmark_width_;
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const int src_height = benchmark_height_;
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const int dst_width = Abs(src_width) / 2;
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const int dst_height = Abs(src_height) / 2;
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int max_diff = TestFilter(src_width, src_height,
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dst_width, dst_height,
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kFilterNone,
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benchmark_iterations_);
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EXPECT_LE(max_diff, 1);
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}
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TEST_F(libyuvTest, ScaleDownBy2_Bilinear) {
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const int src_width = benchmark_width_;
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const int src_height = benchmark_height_;
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const int dst_width = Abs(src_width) / 2;
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const int dst_height = Abs(src_height) / 2;
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int max_diff = TestFilter(src_width, src_height,
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dst_width, dst_height,
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kFilterBilinear,
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benchmark_iterations_);
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EXPECT_LE(max_diff, 1);
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}
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TEST_F(libyuvTest, ScaleDownBy2_Box) {
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const int src_width = benchmark_width_;
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const int src_height = benchmark_height_;
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const int dst_width = Abs(src_width) / 2;
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const int dst_height = Abs(src_height) / 2;
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int max_diff = TestFilter(src_width, src_height,
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dst_width, dst_height,
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kFilterBox,
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benchmark_iterations_);
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EXPECT_LE(max_diff, 1);
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}
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TEST_F(libyuvTest, ScaleDownBy4_None) {
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const int src_width = benchmark_width_;
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const int src_height = benchmark_height_;
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const int dst_width = Abs(src_width) / 4;
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const int dst_height = Abs(src_height) / 4;
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int max_diff = TestFilter(src_width, src_height,
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dst_width, dst_height,
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kFilterNone,
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benchmark_iterations_);
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EXPECT_LE(max_diff, 2); // This is the only scale factor with error of 2.
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}
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TEST_F(libyuvTest, ScaleDownBy4_Bilinear) {
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const int src_width = benchmark_width_;
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const int src_height = benchmark_height_;
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const int dst_width = Abs(src_width) / 4;
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const int dst_height = Abs(src_height) / 4;
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int max_diff = TestFilter(src_width, src_height,
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dst_width, dst_height,
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kFilterBilinear,
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benchmark_iterations_);
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EXPECT_LE(max_diff, 2); // This is the only scale factor with error of 2.
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}
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TEST_F(libyuvTest, ScaleDownBy4_Box) {
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const int src_width = benchmark_width_;
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const int src_height = benchmark_height_;
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const int dst_width = Abs(src_width) / 4;
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const int dst_height = Abs(src_height) / 4;
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int max_diff = TestFilter(src_width, src_height,
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dst_width, dst_height,
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kFilterBox,
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benchmark_iterations_);
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EXPECT_LE(max_diff, 2); // This is the only scale factor with error of 2.
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}
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TEST_F(libyuvTest, ScaleDownBy5_None) {
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const int src_width = benchmark_width_;
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const int src_height = benchmark_height_;
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const int dst_width = Abs(src_width) / 5;
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const int dst_height = Abs(src_height) / 5;
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int max_diff = TestFilter(src_width, src_height,
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dst_width, dst_height,
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kFilterNone,
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benchmark_iterations_);
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EXPECT_LE(max_diff, 1);
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}
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TEST_F(libyuvTest, ScaleDownBy5_Bilinear) {
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const int src_width = benchmark_width_;
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const int src_height = benchmark_height_;
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const int dst_width = Abs(src_width) / 5;
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const int dst_height = Abs(src_height) / 5;
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int max_diff = TestFilter(src_width, src_height,
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dst_width, dst_height,
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kFilterBilinear,
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benchmark_iterations_);
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EXPECT_LE(max_diff, 1);
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}
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TEST_F(libyuvTest, ScaleDownBy5_Box) {
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const int src_width = benchmark_width_;
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const int src_height = benchmark_height_;
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const int dst_width = Abs(src_width) / 5;
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const int dst_height = Abs(src_height) / 5;
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int max_diff = TestFilter(src_width, src_height,
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dst_width, dst_height,
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kFilterBox,
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benchmark_iterations_);
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EXPECT_LE(max_diff, 1);
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}
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TEST_F(libyuvTest, ScaleDownBy8_None) {
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const int src_width = benchmark_width_;
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const int src_height = benchmark_height_;
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const int dst_width = Abs(src_width) / 8;
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const int dst_height = Abs(src_height) / 8;
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int max_diff = TestFilter(src_width, src_height,
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dst_width, dst_height,
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kFilterNone,
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benchmark_iterations_);
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EXPECT_LE(max_diff, 1);
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}
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TEST_F(libyuvTest, ScaleDownBy8_Bilinear) {
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const int src_width = benchmark_width_;
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const int src_height = benchmark_height_;
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const int dst_width = Abs(src_width) / 8;
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const int dst_height = Abs(src_height) / 8;
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int max_diff = TestFilter(src_width, src_height,
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dst_width, dst_height,
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kFilterBilinear,
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benchmark_iterations_);
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EXPECT_LE(max_diff, 1);
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}
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TEST_F(libyuvTest, ScaleDownBy8_Box) {
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const int src_width = benchmark_width_;
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const int src_height = benchmark_height_;
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const int dst_width = Abs(src_width) / 8;
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const int dst_height = Abs(src_height) / 8;
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int max_diff = TestFilter(src_width, src_height,
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dst_width, dst_height,
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kFilterBox,
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benchmark_iterations_);
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EXPECT_LE(max_diff, 1);
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}
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TEST_F(libyuvTest, ScaleDownBy16_None) {
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const int src_width = benchmark_width_;
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const int src_height = benchmark_height_;
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const int dst_width = Abs(src_width) / 16;
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const int dst_height = Abs(src_height) / 16;
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int max_diff = TestFilter(src_width, src_height,
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dst_width, dst_height,
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kFilterNone,
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benchmark_iterations_);
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EXPECT_LE(max_diff, 1);
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}
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TEST_F(libyuvTest, ScaleDownBy16_Bilinear) {
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const int src_width = benchmark_width_;
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const int src_height = benchmark_height_;
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const int dst_width = Abs(src_width) / 16;
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const int dst_height = Abs(src_height) / 16;
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int max_diff = TestFilter(src_width, src_height,
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dst_width, dst_height,
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kFilterBilinear,
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benchmark_iterations_);
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EXPECT_LE(max_diff, 1);
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}
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TEST_F(libyuvTest, ScaleDownBy16_Box) {
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const int src_width = benchmark_width_;
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const int src_height = benchmark_height_;
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const int dst_width = Abs(src_width) / 16;
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const int dst_height = Abs(src_height) / 16;
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int max_diff = TestFilter(src_width, src_height,
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dst_width, dst_height,
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kFilterBox,
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benchmark_iterations_);
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EXPECT_LE(max_diff, 1);
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}
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TEST_F(libyuvTest, ScaleDownBy34_None) {
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const int src_width = benchmark_width_;
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const int src_height = benchmark_height_;
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const int dst_width = Abs(src_width) * 3 / 4;
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const int dst_height = Abs(src_height) * 3 / 4;
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int max_diff = TestFilter(src_width, src_height,
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dst_width, dst_height,
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kFilterNone,
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benchmark_iterations_);
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EXPECT_LE(max_diff, 1);
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}
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TEST_F(libyuvTest, ScaleDownBy34_Bilinear) {
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const int src_width = benchmark_width_;
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const int src_height = benchmark_height_;
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const int dst_width = Abs(src_width) * 3 / 4;
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const int dst_height = Abs(src_height) * 3 / 4;
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int max_diff = TestFilter(src_width, src_height,
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dst_width, dst_height,
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kFilterBilinear,
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benchmark_iterations_);
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EXPECT_LE(max_diff, 1);
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}
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TEST_F(libyuvTest, ScaleDownBy34_Box) {
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const int src_width = benchmark_width_;
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const int src_height = benchmark_height_;
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const int dst_width = Abs(src_width) * 3 / 4;
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const int dst_height = Abs(src_height) * 3 / 4;
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int max_diff = TestFilter(src_width, src_height,
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dst_width, dst_height,
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kFilterBox,
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benchmark_iterations_);
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EXPECT_LE(max_diff, 1);
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}
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TEST_F(libyuvTest, ScaleDownBy38_None) {
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int src_width = benchmark_width_;
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int src_height = benchmark_height_;
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int dst_width = Abs(src_width) * 3 / 8;
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int dst_height = Abs(src_height) * 3 / 8;
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int max_diff = TestFilter(src_width, src_height,
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dst_width, dst_height,
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kFilterNone,
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benchmark_iterations_);
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EXPECT_LE(max_diff, 1);
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}
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TEST_F(libyuvTest, ScaleDownBy38_Bilinear) {
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int src_width = benchmark_width_;
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int src_height = benchmark_height_;
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int dst_width = Abs(src_width) * 3 / 8;
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int dst_height = Abs(src_height) * 3 / 8;
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int max_diff = TestFilter(src_width, src_height,
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dst_width, dst_height,
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kFilterBilinear,
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benchmark_iterations_);
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EXPECT_LE(max_diff, 1);
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}
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TEST_F(libyuvTest, ScaleDownBy38_Box) {
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int src_width = benchmark_width_;
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int src_height = benchmark_height_;
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int dst_width = Abs(src_width) * 3 / 8;
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int dst_height = Abs(src_height) * 3 / 8;
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int max_diff = TestFilter(src_width, src_height,
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dst_width, dst_height,
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kFilterBox,
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benchmark_iterations_);
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EXPECT_LE(max_diff, 1);
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}
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TEST_F(libyuvTest, ScaleTo1366x768_None) {
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int src_width = benchmark_width_;
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int src_height = benchmark_height_;
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int dst_width = 1366;
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int dst_height = 768;
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|
|
int max_diff = TestFilter(src_width, src_height,
|
|
dst_width, dst_height,
|
|
kFilterNone,
|
|
benchmark_iterations_);
|
|
EXPECT_LE(max_diff, 1);
|
|
}
|
|
|
|
TEST_F(libyuvTest, ScaleTo1366x768_Bilinear) {
|
|
int src_width = benchmark_width_;
|
|
int src_height = benchmark_height_;
|
|
int dst_width = 1366;
|
|
int dst_height = 768;
|
|
|
|
int max_diff = TestFilter(src_width, src_height,
|
|
dst_width, dst_height,
|
|
kFilterBilinear,
|
|
benchmark_iterations_);
|
|
EXPECT_LE(max_diff, 2);
|
|
}
|
|
|
|
TEST_F(libyuvTest, ScaleTo1366x768_Box) {
|
|
int src_width = benchmark_width_;
|
|
int src_height = benchmark_height_;
|
|
int dst_width = 1366;
|
|
int dst_height = 768;
|
|
|
|
int max_diff = TestFilter(src_width, src_height,
|
|
dst_width, dst_height,
|
|
kFilterBox,
|
|
benchmark_iterations_);
|
|
EXPECT_LE(max_diff, 2);
|
|
}
|
|
|
|
TEST_F(libyuvTest, ScaleTo1280x720_None) {
|
|
int src_width = benchmark_width_;
|
|
int src_height = benchmark_height_;
|
|
int dst_width = 1280;
|
|
int dst_height = 720;
|
|
|
|
int max_diff = TestFilter(src_width, src_height,
|
|
dst_width, dst_height,
|
|
kFilterNone,
|
|
benchmark_iterations_);
|
|
EXPECT_LE(max_diff, 1);
|
|
}
|
|
|
|
TEST_F(libyuvTest, ScaleTo1280x720_Bilinear) {
|
|
int src_width = benchmark_width_;
|
|
int src_height = benchmark_height_;
|
|
int dst_width = 1280;
|
|
int dst_height = 720;
|
|
|
|
int max_diff = TestFilter(src_width, src_height,
|
|
dst_width, dst_height,
|
|
kFilterBilinear,
|
|
benchmark_iterations_);
|
|
EXPECT_LE(max_diff, 2);
|
|
}
|
|
|
|
TEST_F(libyuvTest, ScaleTo1280x720_Box) {
|
|
int src_width = benchmark_width_;
|
|
int src_height = benchmark_height_;
|
|
int dst_width = 1280;
|
|
int dst_height = 720;
|
|
|
|
int max_diff = TestFilter(src_width, src_height,
|
|
dst_width, dst_height,
|
|
kFilterBox,
|
|
benchmark_iterations_);
|
|
EXPECT_LE(max_diff, 2);
|
|
}
|
|
|
|
TEST_F(libyuvTest, ScaleTo853x480_None) {
|
|
int src_width = benchmark_width_;
|
|
int src_height = benchmark_height_;
|
|
int dst_width = 853;
|
|
int dst_height = 480;
|
|
|
|
int max_diff = TestFilter(src_width, src_height,
|
|
dst_width, dst_height,
|
|
kFilterNone,
|
|
benchmark_iterations_);
|
|
EXPECT_LE(max_diff, 1);
|
|
}
|
|
|
|
TEST_F(libyuvTest, ScaleTo853x480_Bilinear) {
|
|
int src_width = benchmark_width_;
|
|
int src_height = benchmark_height_;
|
|
int dst_width = 853;
|
|
int dst_height = 480;
|
|
|
|
int max_diff = TestFilter(src_width, src_height,
|
|
dst_width, dst_height,
|
|
kFilterBilinear,
|
|
benchmark_iterations_);
|
|
EXPECT_LE(max_diff, 2);
|
|
}
|
|
|
|
TEST_F(libyuvTest, ScaleTo853x480_Box) {
|
|
int src_width = benchmark_width_;
|
|
int src_height = benchmark_height_;
|
|
int dst_width = 853;
|
|
int dst_height = 480;
|
|
|
|
int max_diff = TestFilter(src_width, src_height,
|
|
dst_width, dst_height,
|
|
kFilterBox,
|
|
benchmark_iterations_);
|
|
EXPECT_LE(max_diff, 2);
|
|
}
|
|
|
|
TEST_F(libyuvTest, ScaleFrom640x360_None) {
|
|
int src_width = 640;
|
|
int src_height = 360;
|
|
int dst_width = benchmark_width_;
|
|
int dst_height = benchmark_height_;
|
|
|
|
int max_diff = TestFilter(src_width, src_height,
|
|
dst_width, dst_height,
|
|
kFilterNone,
|
|
benchmark_iterations_);
|
|
EXPECT_LE(max_diff, 2);
|
|
}
|
|
|
|
TEST_F(libyuvTest, ScaleFrom640x360_Bilinear) {
|
|
int src_width = 640;
|
|
int src_height = 360;
|
|
int dst_width = benchmark_width_;
|
|
int dst_height = benchmark_height_;
|
|
|
|
int max_diff = TestFilter(src_width, src_height,
|
|
dst_width, dst_height,
|
|
kFilterBilinear,
|
|
benchmark_iterations_);
|
|
EXPECT_LE(max_diff, 2);
|
|
}
|
|
|
|
} // namespace libyuv
|