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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
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Add m-esr52 at 52.6.0
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diff --git a/media/libyuv/unit_test/scale_test.cc b/media/libyuv/unit_test/scale_test.cc
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+/*
+ * Copyright 2011 The LibYuv Project Authors. All rights reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include <stdlib.h>
+#include <time.h>
+
+#include "libyuv/cpu_id.h"
+#include "libyuv/scale.h"
+#include "../unit_test/unit_test.h"
+
+#define STRINGIZE(line) #line
+#define FILELINESTR(file, line) file ":" STRINGIZE(line)
+
+namespace libyuv {
+
+// Test scaling with C vs Opt and return maximum pixel difference. 0 = exact.
+static int TestFilter(int src_width, int src_height,
+ int dst_width, int dst_height,
+ FilterMode f, int benchmark_iterations,
+ int disable_cpu_flags, int benchmark_cpu_info) {
+ if (!SizeValid(src_width, src_height, dst_width, dst_height)) {
+ return 0;
+ }
+
+ int i, j;
+ const int b = 0; // 128 to test for padding/stride.
+ int src_width_uv = (Abs(src_width) + 1) >> 1;
+ int src_height_uv = (Abs(src_height) + 1) >> 1;
+
+ int64 src_y_plane_size = (Abs(src_width) + b * 2) * (Abs(src_height) + b * 2);
+ int64 src_uv_plane_size = (src_width_uv + b * 2) * (src_height_uv + b * 2);
+
+ int src_stride_y = b * 2 + Abs(src_width);
+ int src_stride_uv = b * 2 + src_width_uv;
+
+ align_buffer_page_end(src_y, src_y_plane_size)
+ align_buffer_page_end(src_u, src_uv_plane_size)
+ align_buffer_page_end(src_v, src_uv_plane_size)
+ if (!src_y || !src_u || !src_v) {
+ printf("Skipped. Alloc failed " FILELINESTR(__FILE__, __LINE__) "\n");
+ return 0;
+ }
+ MemRandomize(src_y, src_y_plane_size);
+ MemRandomize(src_u, src_uv_plane_size);
+ MemRandomize(src_v, src_uv_plane_size);
+
+ int dst_width_uv = (dst_width + 1) >> 1;
+ int dst_height_uv = (dst_height + 1) >> 1;
+
+ int64 dst_y_plane_size = (dst_width + b * 2) * (dst_height + b * 2);
+ int64 dst_uv_plane_size = (dst_width_uv + b * 2) * (dst_height_uv + b * 2);
+
+ int dst_stride_y = b * 2 + dst_width;
+ int dst_stride_uv = b * 2 + dst_width_uv;
+
+ align_buffer_page_end(dst_y_c, dst_y_plane_size)
+ align_buffer_page_end(dst_u_c, dst_uv_plane_size)
+ align_buffer_page_end(dst_v_c, dst_uv_plane_size)
+ align_buffer_page_end(dst_y_opt, dst_y_plane_size)
+ align_buffer_page_end(dst_u_opt, dst_uv_plane_size)
+ align_buffer_page_end(dst_v_opt, dst_uv_plane_size)
+ if (!dst_y_c || !dst_u_c || !dst_v_c ||
+ !dst_y_opt|| !dst_u_opt|| !dst_v_opt) {
+ printf("Skipped. Alloc failed " FILELINESTR(__FILE__, __LINE__) "\n");
+ return 0;
+ }
+
+ MaskCpuFlags(disable_cpu_flags); // Disable all CPU optimization.
+ double c_time = get_time();
+ I420Scale(src_y + (src_stride_y * b) + b, src_stride_y,
+ src_u + (src_stride_uv * b) + b, src_stride_uv,
+ src_v + (src_stride_uv * b) + b, src_stride_uv,
+ src_width, src_height,
+ dst_y_c + (dst_stride_y * b) + b, dst_stride_y,
+ dst_u_c + (dst_stride_uv * b) + b, dst_stride_uv,
+ dst_v_c + (dst_stride_uv * b) + b, dst_stride_uv,
+ dst_width, dst_height, f);
+ c_time = (get_time() - c_time);
+
+ MaskCpuFlags(benchmark_cpu_info); // Enable all CPU optimization.
+ double opt_time = get_time();
+ for (i = 0; i < benchmark_iterations; ++i) {
+ I420Scale(src_y + (src_stride_y * b) + b, src_stride_y,
+ src_u + (src_stride_uv * b) + b, src_stride_uv,
+ src_v + (src_stride_uv * b) + b, src_stride_uv,
+ src_width, src_height,
+ dst_y_opt + (dst_stride_y * b) + b, dst_stride_y,
+ dst_u_opt + (dst_stride_uv * b) + b, dst_stride_uv,
+ dst_v_opt + (dst_stride_uv * b) + b, dst_stride_uv,
+ dst_width, dst_height, f);
+ }
+ opt_time = (get_time() - opt_time) / benchmark_iterations;
+ // Report performance of C vs OPT
+ printf("filter %d - %8d us C - %8d us OPT\n",
+ f,
+ static_cast<int>(c_time * 1e6),
+ static_cast<int>(opt_time * 1e6));
+
+ // C version may be a little off from the optimized. Order of
+ // operations may introduce rounding somewhere. So do a difference
+ // of the buffers and look to see that the max difference isn't
+ // over 2.
+ int max_diff = 0;
+ for (i = b; i < (dst_height + b); ++i) {
+ for (j = b; j < (dst_width + b); ++j) {
+ int abs_diff = Abs(dst_y_c[(i * dst_stride_y) + j] -
+ dst_y_opt[(i * dst_stride_y) + j]);
+ if (abs_diff > max_diff) {
+ max_diff = abs_diff;
+ }
+ }
+ }
+
+ for (i = b; i < (dst_height_uv + b); ++i) {
+ for (j = b; j < (dst_width_uv + b); ++j) {
+ int abs_diff = Abs(dst_u_c[(i * dst_stride_uv) + j] -
+ dst_u_opt[(i * dst_stride_uv) + j]);
+ if (abs_diff > max_diff) {
+ max_diff = abs_diff;
+ }
+ abs_diff = Abs(dst_v_c[(i * dst_stride_uv) + j] -
+ dst_v_opt[(i * dst_stride_uv) + j]);
+ if (abs_diff > max_diff) {
+ max_diff = abs_diff;
+ }
+ }
+ }
+
+ free_aligned_buffer_page_end(dst_y_c)
+ free_aligned_buffer_page_end(dst_u_c)
+ free_aligned_buffer_page_end(dst_v_c)
+ free_aligned_buffer_page_end(dst_y_opt)
+ free_aligned_buffer_page_end(dst_u_opt)
+ free_aligned_buffer_page_end(dst_v_opt)
+
+ free_aligned_buffer_page_end(src_y)
+ free_aligned_buffer_page_end(src_u)
+ free_aligned_buffer_page_end(src_v)
+
+ return max_diff;
+}
+
+// Test scaling with 8 bit C vs 16 bit C and return maximum pixel difference.
+// 0 = exact.
+static int TestFilter_16(int src_width, int src_height,
+ int dst_width, int dst_height,
+ FilterMode f, int benchmark_iterations) {
+ if (!SizeValid(src_width, src_height, dst_width, dst_height)) {
+ return 0;
+ }
+
+ int i, j;
+ const int b = 0; // 128 to test for padding/stride.
+ int src_width_uv = (Abs(src_width) + 1) >> 1;
+ int src_height_uv = (Abs(src_height) + 1) >> 1;
+
+ int64 src_y_plane_size = (Abs(src_width) + b * 2) *
+ (Abs(src_height) + b * 2);
+ int64 src_uv_plane_size = (src_width_uv + b * 2) * (src_height_uv + b * 2);
+
+ int src_stride_y = b * 2 + Abs(src_width);
+ int src_stride_uv = b * 2 + src_width_uv;
+
+ align_buffer_page_end(src_y, src_y_plane_size)
+ align_buffer_page_end(src_u, src_uv_plane_size)
+ align_buffer_page_end(src_v, src_uv_plane_size)
+ align_buffer_page_end(src_y_16, src_y_plane_size * 2)
+ align_buffer_page_end(src_u_16, src_uv_plane_size * 2)
+ align_buffer_page_end(src_v_16, src_uv_plane_size * 2)
+ uint16* p_src_y_16 = reinterpret_cast<uint16*>(src_y_16);
+ uint16* p_src_u_16 = reinterpret_cast<uint16*>(src_u_16);
+ uint16* p_src_v_16 = reinterpret_cast<uint16*>(src_v_16);
+
+ MemRandomize(src_y, src_y_plane_size);
+ MemRandomize(src_u, src_uv_plane_size);
+ MemRandomize(src_v, src_uv_plane_size);
+
+ for (i = b; i < src_height + b; ++i) {
+ for (j = b; j < src_width + b; ++j) {
+ p_src_y_16[(i * src_stride_y) + j] = src_y[(i * src_stride_y) + j];
+ }
+ }
+
+ for (i = b; i < (src_height_uv + b); ++i) {
+ for (j = b; j < (src_width_uv + b); ++j) {
+ p_src_u_16[(i * src_stride_uv) + j] = src_u[(i * src_stride_uv) + j];
+ p_src_v_16[(i * src_stride_uv) + j] = src_v[(i * src_stride_uv) + j];
+ }
+ }
+
+ int dst_width_uv = (dst_width + 1) >> 1;
+ int dst_height_uv = (dst_height + 1) >> 1;
+
+ int dst_y_plane_size = (dst_width + b * 2) * (dst_height + b * 2);
+ int dst_uv_plane_size = (dst_width_uv + b * 2) * (dst_height_uv + b * 2);
+
+ int dst_stride_y = b * 2 + dst_width;
+ int dst_stride_uv = b * 2 + dst_width_uv;
+
+ align_buffer_page_end(dst_y_8, dst_y_plane_size)
+ align_buffer_page_end(dst_u_8, dst_uv_plane_size)
+ align_buffer_page_end(dst_v_8, dst_uv_plane_size)
+ align_buffer_page_end(dst_y_16, dst_y_plane_size * 2)
+ align_buffer_page_end(dst_u_16, dst_uv_plane_size * 2)
+ align_buffer_page_end(dst_v_16, dst_uv_plane_size * 2)
+
+ uint16* p_dst_y_16 = reinterpret_cast<uint16*>(dst_y_16);
+ uint16* p_dst_u_16 = reinterpret_cast<uint16*>(dst_u_16);
+ uint16* p_dst_v_16 = reinterpret_cast<uint16*>(dst_v_16);
+
+ I420Scale(src_y + (src_stride_y * b) + b, src_stride_y,
+ src_u + (src_stride_uv * b) + b, src_stride_uv,
+ src_v + (src_stride_uv * b) + b, src_stride_uv,
+ src_width, src_height,
+ dst_y_8 + (dst_stride_y * b) + b, dst_stride_y,
+ dst_u_8 + (dst_stride_uv * b) + b, dst_stride_uv,
+ dst_v_8 + (dst_stride_uv * b) + b, dst_stride_uv,
+ dst_width, dst_height, f);
+
+ for (i = 0; i < benchmark_iterations; ++i) {
+ I420Scale_16(p_src_y_16 + (src_stride_y * b) + b, src_stride_y,
+ p_src_u_16 + (src_stride_uv * b) + b, src_stride_uv,
+ p_src_v_16 + (src_stride_uv * b) + b, src_stride_uv,
+ src_width, src_height,
+ p_dst_y_16 + (dst_stride_y * b) + b, dst_stride_y,
+ p_dst_u_16 + (dst_stride_uv * b) + b, dst_stride_uv,
+ p_dst_v_16 + (dst_stride_uv * b) + b, dst_stride_uv,
+ dst_width, dst_height, f);
+ }
+
+ // Expect an exact match
+ int max_diff = 0;
+ for (i = b; i < (dst_height + b); ++i) {
+ for (j = b; j < (dst_width + b); ++j) {
+ int abs_diff = Abs(dst_y_8[(i * dst_stride_y) + j] -
+ p_dst_y_16[(i * dst_stride_y) + j]);
+ if (abs_diff > max_diff) {
+ max_diff = abs_diff;
+ }
+ }
+ }
+
+ for (i = b; i < (dst_height_uv + b); ++i) {
+ for (j = b; j < (dst_width_uv + b); ++j) {
+ int abs_diff = Abs(dst_u_8[(i * dst_stride_uv) + j] -
+ p_dst_u_16[(i * dst_stride_uv) + j]);
+ if (abs_diff > max_diff) {
+ max_diff = abs_diff;
+ }
+ abs_diff = Abs(dst_v_8[(i * dst_stride_uv) + j] -
+ p_dst_v_16[(i * dst_stride_uv) + j]);
+ if (abs_diff > max_diff) {
+ max_diff = abs_diff;
+ }
+ }
+ }
+
+ free_aligned_buffer_page_end(dst_y_8)
+ free_aligned_buffer_page_end(dst_u_8)
+ free_aligned_buffer_page_end(dst_v_8)
+ free_aligned_buffer_page_end(dst_y_16)
+ free_aligned_buffer_page_end(dst_u_16)
+ free_aligned_buffer_page_end(dst_v_16)
+
+ free_aligned_buffer_page_end(src_y)
+ free_aligned_buffer_page_end(src_u)
+ free_aligned_buffer_page_end(src_v)
+ free_aligned_buffer_page_end(src_y_16)
+ free_aligned_buffer_page_end(src_u_16)
+ free_aligned_buffer_page_end(src_v_16)
+
+ return max_diff;
+}
+
+// The following adjustments in dimensions ensure the scale factor will be
+// exactly achieved.
+// 2 is chroma subsample
+#define DX(x, nom, denom) static_cast<int>(((Abs(x) / nom + 1) / 2) * nom * 2)
+#define SX(x, nom, denom) static_cast<int>(((x / nom + 1) / 2) * denom * 2)
+
+#define TEST_FACTOR1(name, filter, nom, denom, max_diff) \
+ TEST_F(LibYUVScaleTest, ScaleDownBy##name##_##filter) { \
+ int diff = TestFilter(SX(benchmark_width_, nom, denom), \
+ SX(benchmark_height_, nom, denom), \
+ DX(benchmark_width_, nom, denom), \
+ DX(benchmark_height_, nom, denom), \
+ kFilter##filter, benchmark_iterations_, \
+ disable_cpu_flags_, benchmark_cpu_info_); \
+ EXPECT_LE(diff, max_diff); \
+ } \
+ TEST_F(LibYUVScaleTest, DISABLED_ScaleDownBy##name##_##filter##_16) { \
+ int diff = TestFilter_16(SX(benchmark_width_, nom, denom), \
+ SX(benchmark_height_, nom, denom), \
+ DX(benchmark_width_, nom, denom), \
+ DX(benchmark_height_, nom, denom), \
+ kFilter##filter, benchmark_iterations_); \
+ EXPECT_LE(diff, max_diff); \
+ }
+
+// Test a scale factor with all 4 filters. Expect unfiltered to be exact, but
+// filtering is different fixed point implementations for SSSE3, Neon and C.
+#define TEST_FACTOR(name, nom, denom, boxdiff) \
+ TEST_FACTOR1(name, None, nom, denom, 0) \
+ TEST_FACTOR1(name, Linear, nom, denom, 3) \
+ TEST_FACTOR1(name, Bilinear, nom, denom, 3) \
+ TEST_FACTOR1(name, Box, nom, denom, boxdiff)
+
+TEST_FACTOR(2, 1, 2, 0)
+TEST_FACTOR(4, 1, 4, 0)
+TEST_FACTOR(8, 1, 8, 0)
+TEST_FACTOR(3by4, 3, 4, 1)
+TEST_FACTOR(3by8, 3, 8, 1)
+TEST_FACTOR(3, 1, 3, 0)
+#undef TEST_FACTOR1
+#undef TEST_FACTOR
+#undef SX
+#undef DX
+
+#define TEST_SCALETO1(name, width, height, filter, max_diff) \
+ TEST_F(LibYUVScaleTest, name##To##width##x##height##_##filter) { \
+ int diff = TestFilter(benchmark_width_, benchmark_height_, \
+ width, height, \
+ kFilter##filter, benchmark_iterations_, \
+ disable_cpu_flags_, benchmark_cpu_info_); \
+ EXPECT_LE(diff, max_diff); \
+ } \
+ TEST_F(LibYUVScaleTest, name##From##width##x##height##_##filter) { \
+ int diff = TestFilter(width, height, \
+ Abs(benchmark_width_), Abs(benchmark_height_), \
+ kFilter##filter, benchmark_iterations_, \
+ disable_cpu_flags_, benchmark_cpu_info_); \
+ EXPECT_LE(diff, max_diff); \
+ } \
+ TEST_F(LibYUVScaleTest, \
+ DISABLED_##name##To##width##x##height##_##filter##_16) { \
+ int diff = TestFilter_16(benchmark_width_, benchmark_height_, \
+ width, height, \
+ kFilter##filter, benchmark_iterations_); \
+ EXPECT_LE(diff, max_diff); \
+ } \
+ TEST_F(LibYUVScaleTest, \
+ DISABLED_##name##From##width##x##height##_##filter##_16) { \
+ int diff = TestFilter_16(width, height, \
+ Abs(benchmark_width_), Abs(benchmark_height_), \
+ kFilter##filter, benchmark_iterations_); \
+ EXPECT_LE(diff, max_diff); \
+ }
+
+// Test scale to a specified size with all 4 filters.
+#define TEST_SCALETO(name, width, height) \
+ TEST_SCALETO1(name, width, height, None, 0) \
+ TEST_SCALETO1(name, width, height, Linear, 0) \
+ TEST_SCALETO1(name, width, height, Bilinear, 0) \
+ TEST_SCALETO1(name, width, height, Box, 0)
+
+TEST_SCALETO(Scale, 1, 1)
+TEST_SCALETO(Scale, 320, 240)
+TEST_SCALETO(Scale, 352, 288)
+TEST_SCALETO(Scale, 569, 480)
+TEST_SCALETO(Scale, 640, 360)
+TEST_SCALETO(Scale, 1280, 720)
+#undef TEST_SCALETO1
+#undef TEST_SCALETO
+
+} // namespace libyuv