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Diffstat (limited to 'unit_test/scale_argb_test.cc')
| -rw-r--r-- | unit_test/scale_argb_test.cc | 588 |
1 files changed, 588 insertions, 0 deletions
diff --git a/unit_test/scale_argb_test.cc b/unit_test/scale_argb_test.cc new file mode 100644 index 00000000..f54a68f1 --- /dev/null +++ b/unit_test/scale_argb_test.cc @@ -0,0 +1,588 @@ +/* + * 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 "../unit_test/unit_test.h" +#include "libyuv/convert_argb.h" +#include "libyuv/cpu_id.h" +#include "libyuv/scale_argb.h" +#include "libyuv/video_common.h" + +namespace libyuv { + +#define STRINGIZE(line) #line +#define FILELINESTR(file, line) file ":" STRINGIZE(line) + +#if !defined(DISABLE_SLOW_TESTS) || defined(__x86_64__) || defined(__i386__) +// SLOW TESTS are those that are unoptimized C code. +// FULL TESTS are optimized but test many variations of the same code. +#define ENABLE_FULL_TESTS +#endif + +// Test scaling with C vs Opt and return maximum pixel difference. 0 = exact. +static int ARGBTestFilter(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. + int64_t src_argb_plane_size = + (Abs(src_width) + b * 2) * (Abs(src_height) + b * 2) * 4LL; + int src_stride_argb = (b * 2 + Abs(src_width)) * 4; + + align_buffer_page_end(src_argb, src_argb_plane_size); + if (!src_argb) { + printf("Skipped. Alloc failed " FILELINESTR(__FILE__, __LINE__) "\n"); + return 0; + } + MemRandomize(src_argb, src_argb_plane_size); + + int64_t dst_argb_plane_size = + (dst_width + b * 2) * (dst_height + b * 2) * 4LL; + int dst_stride_argb = (b * 2 + dst_width) * 4; + + align_buffer_page_end(dst_argb_c, dst_argb_plane_size); + align_buffer_page_end(dst_argb_opt, dst_argb_plane_size); + if (!dst_argb_c || !dst_argb_opt) { + printf("Skipped. Alloc failed " FILELINESTR(__FILE__, __LINE__) "\n"); + return 0; + } + memset(dst_argb_c, 2, dst_argb_plane_size); + memset(dst_argb_opt, 3, dst_argb_plane_size); + + // Warm up both versions for consistent benchmarks. + MaskCpuFlags(disable_cpu_flags); // Disable all CPU optimization. + ARGBScale(src_argb + (src_stride_argb * b) + b * 4, src_stride_argb, + src_width, src_height, dst_argb_c + (dst_stride_argb * b) + b * 4, + dst_stride_argb, dst_width, dst_height, f); + MaskCpuFlags(benchmark_cpu_info); // Enable all CPU optimization. + ARGBScale(src_argb + (src_stride_argb * b) + b * 4, src_stride_argb, + src_width, src_height, dst_argb_opt + (dst_stride_argb * b) + b * 4, + dst_stride_argb, dst_width, dst_height, f); + + MaskCpuFlags(disable_cpu_flags); // Disable all CPU optimization. + double c_time = get_time(); + ARGBScale(src_argb + (src_stride_argb * b) + b * 4, src_stride_argb, + src_width, src_height, dst_argb_c + (dst_stride_argb * b) + b * 4, + dst_stride_argb, 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) { + ARGBScale(src_argb + (src_stride_argb * b) + b * 4, src_stride_argb, + src_width, src_height, + dst_argb_opt + (dst_stride_argb * b) + b * 4, dst_stride_argb, + 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 * 4; j < (dst_width + b) * 4; ++j) { + int abs_diff = Abs(dst_argb_c[(i * dst_stride_argb) + j] - + dst_argb_opt[(i * dst_stride_argb) + j]); + if (abs_diff > max_diff) { + max_diff = abs_diff; + } + } + } + + free_aligned_buffer_page_end(dst_argb_c); + free_aligned_buffer_page_end(dst_argb_opt); + free_aligned_buffer_page_end(src_argb); + return max_diff; +} + +static const int kTileX = 64; +static const int kTileY = 64; + +static int TileARGBScale(const uint8_t* src_argb, + int src_stride_argb, + int src_width, + int src_height, + uint8_t* dst_argb, + int dst_stride_argb, + int dst_width, + int dst_height, + FilterMode filtering) { + for (int y = 0; y < dst_height; y += kTileY) { + for (int x = 0; x < dst_width; x += kTileX) { + int clip_width = kTileX; + if (x + clip_width > dst_width) { + clip_width = dst_width - x; + } + int clip_height = kTileY; + if (y + clip_height > dst_height) { + clip_height = dst_height - y; + } + int r = ARGBScaleClip(src_argb, src_stride_argb, src_width, src_height, + dst_argb, dst_stride_argb, dst_width, dst_height, x, + y, clip_width, clip_height, filtering); + if (r) { + return r; + } + } + } + return 0; +} + +static int ARGBClipTestFilter(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; + } + + const int b = 128; + int64_t src_argb_plane_size = + (Abs(src_width) + b * 2) * (Abs(src_height) + b * 2) * 4; + int src_stride_argb = (b * 2 + Abs(src_width)) * 4; + + align_buffer_page_end(src_argb, src_argb_plane_size); + if (!src_argb) { + printf("Skipped. Alloc failed " FILELINESTR(__FILE__, __LINE__) "\n"); + return 0; + } + memset(src_argb, 1, src_argb_plane_size); + + int64_t dst_argb_plane_size = (dst_width + b * 2) * (dst_height + b * 2) * 4; + int dst_stride_argb = (b * 2 + dst_width) * 4; + + int i, j; + for (i = b; i < (Abs(src_height) + b); ++i) { + for (j = b; j < (Abs(src_width) + b) * 4; ++j) { + src_argb[(i * src_stride_argb) + j] = (fastrand() & 0xff); + } + } + + align_buffer_page_end(dst_argb_c, dst_argb_plane_size); + align_buffer_page_end(dst_argb_opt, dst_argb_plane_size); + if (!dst_argb_c || !dst_argb_opt) { + printf("Skipped. Alloc failed " FILELINESTR(__FILE__, __LINE__) "\n"); + return 0; + } + memset(dst_argb_c, 2, dst_argb_plane_size); + memset(dst_argb_opt, 3, dst_argb_plane_size); + + // Do full image, no clipping. + double c_time = get_time(); + ARGBScale(src_argb + (src_stride_argb * b) + b * 4, src_stride_argb, + src_width, src_height, dst_argb_c + (dst_stride_argb * b) + b * 4, + dst_stride_argb, dst_width, dst_height, f); + c_time = (get_time() - c_time); + + // Do tiled image, clipping scale to a tile at a time. + double opt_time = get_time(); + for (i = 0; i < benchmark_iterations; ++i) { + TileARGBScale(src_argb + (src_stride_argb * b) + b * 4, src_stride_argb, + src_width, src_height, + dst_argb_opt + (dst_stride_argb * b) + b * 4, dst_stride_argb, + dst_width, dst_height, f); + } + opt_time = (get_time() - opt_time) / benchmark_iterations; + + // Report performance of Full vs Tiled. + printf("filter %d - %8d us Full - %8d us Tiled\n", f, + static_cast<int>(c_time * 1e6), static_cast<int>(opt_time * 1e6)); + + // Compare full scaled image vs tiled image. + int max_diff = 0; + for (i = b; i < (dst_height + b); ++i) { + for (j = b * 4; j < (dst_width + b) * 4; ++j) { + int abs_diff = Abs(dst_argb_c[(i * dst_stride_argb) + j] - + dst_argb_opt[(i * dst_stride_argb) + j]); + if (abs_diff > max_diff) { + max_diff = abs_diff; + } + } + } + + free_aligned_buffer_page_end(dst_argb_c); + free_aligned_buffer_page_end(dst_argb_opt); + free_aligned_buffer_page_end(src_argb); + return max_diff; +} + +// The following adjustments in dimensions ensure the scale factor will be +// exactly achieved. +#define DX(x, nom, denom) static_cast<int>((Abs(x) / nom) * nom) +#define SX(x, nom, denom) static_cast<int>((x / nom) * denom) + +#define TEST_FACTOR1(DISABLED_, name, filter, nom, denom, max_diff) \ + TEST_F(LibYUVScaleTest, ARGBScaleDownBy##name##_##filter) { \ + int diff = ARGBTestFilter( \ + 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_##ARGBScaleDownClipBy##name##_##filter) { \ + int diff = ARGBClipTestFilter( \ + 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. +#ifndef DISABLE_SLOW_TESTS +#define TEST_FACTOR(name, nom, denom) \ + 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, 3) +#else +#if defined(ENABLE_FULL_TESTS) +#define TEST_FACTOR(name, nom, denom) \ + TEST_FACTOR1(DISABLED_, name, None, nom, denom, 0) \ + TEST_FACTOR1(DISABLED_, name, Linear, nom, denom, 3) \ + TEST_FACTOR1(DISABLED_, name, Bilinear, nom, denom, 3) \ + TEST_FACTOR1(DISABLED_, name, Box, nom, denom, 3) +#else +#define TEST_FACTOR(name, nom, denom) \ + TEST_FACTOR1(DISABLED_, name, Bilinear, nom, denom, 3) +#endif +#endif + +TEST_FACTOR(2, 1, 2) +TEST_FACTOR(4, 1, 4) +#ifndef DISABLE_SLOW_TESTS +TEST_FACTOR(8, 1, 8) +#endif +TEST_FACTOR(3by4, 3, 4) +TEST_FACTOR(3by8, 3, 8) +TEST_FACTOR(3, 1, 3) +#undef TEST_FACTOR1 +#undef TEST_FACTOR +#undef SX +#undef DX + +#define TEST_SCALETO1(DISABLED_, name, width, height, filter, max_diff) \ + TEST_F(LibYUVScaleTest, name##To##width##x##height##_##filter) { \ + int diff = ARGBTestFilter(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 = ARGBTestFilter(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##ClipTo##width##x##height##_##filter) { \ + int diff = \ + ARGBClipTestFilter(benchmark_width_, benchmark_height_, width, height, \ + kFilter##filter, benchmark_iterations_); \ + EXPECT_LE(diff, max_diff); \ + } \ + TEST_F(LibYUVScaleTest, \ + DISABLED_##name##ClipFrom##width##x##height##_##filter) { \ + int diff = ARGBClipTestFilter(width, height, Abs(benchmark_width_), \ + Abs(benchmark_height_), kFilter##filter, \ + benchmark_iterations_); \ + EXPECT_LE(diff, max_diff); \ + } + +#ifndef DISABLE_SLOW_TESTS +// 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, 3) \ + TEST_SCALETO1(, name, width, height, Bilinear, 3) +#else +#if defined(ENABLE_FULL_TESTS) +#define TEST_SCALETO(name, width, height) \ + TEST_SCALETO1(DISABLED_, name, width, height, None, 0) \ + TEST_SCALETO1(DISABLED_, name, width, height, Linear, 3) \ + TEST_SCALETO1(DISABLED_, name, width, height, Bilinear, 3) +#else +#define TEST_SCALETO(name, width, height) \ + TEST_SCALETO1(DISABLED_, name, width, height, Bilinear, 3) +#endif +#endif + +TEST_SCALETO(ARGBScale, 1, 1) +TEST_SCALETO(ARGBScale, 569, 480) +TEST_SCALETO(ARGBScale, 640, 360) +#ifndef DISABLE_SLOW_TESTS +TEST_SCALETO(ARGBScale, 256, 144) /* 128x72 * 2 */ +TEST_SCALETO(ARGBScale, 320, 240) +TEST_SCALETO(ARGBScale, 1280, 720) +TEST_SCALETO(ARGBScale, 1920, 1080) +#endif // DISABLE_SLOW_TESTS +#undef TEST_SCALETO1 +#undef TEST_SCALETO + +#define TEST_SCALESWAPXY1(name, filter, max_diff) \ + TEST_F(LibYUVScaleTest, name##SwapXY_##filter) { \ + int diff = ARGBTestFilter(benchmark_width_, benchmark_height_, \ + benchmark_height_, benchmark_width_, \ + kFilter##filter, benchmark_iterations_, \ + disable_cpu_flags_, benchmark_cpu_info_); \ + EXPECT_LE(diff, max_diff); \ + } + +#if defined(ENABLE_FULL_TESTS) +// Test scale with swapped width and height with all 3 filters. +TEST_SCALESWAPXY1(ARGBScale, None, 0) +TEST_SCALESWAPXY1(ARGBScale, Linear, 0) +TEST_SCALESWAPXY1(ARGBScale, Bilinear, 0) +#else +TEST_SCALESWAPXY1(ARGBScale, Bilinear, 0) +#endif +#undef TEST_SCALESWAPXY1 + +// Scale with YUV conversion to ARGB and clipping. +// TODO(fbarchard): Add fourcc support. All 4 ARGB formats is easy to support. +LIBYUV_API +int YUVToARGBScaleReference2(const uint8_t* src_y, + int src_stride_y, + const uint8_t* src_u, + int src_stride_u, + const uint8_t* src_v, + int src_stride_v, + uint32_t /* src_fourcc */, + int src_width, + int src_height, + uint8_t* dst_argb, + int dst_stride_argb, + uint32_t /* dst_fourcc */, + int dst_width, + int dst_height, + int clip_x, + int clip_y, + int clip_width, + int clip_height, + enum FilterMode filtering) { + uint8_t* argb_buffer = + static_cast<uint8_t*>(malloc(src_width * src_height * 4)); + int r; + I420ToARGB(src_y, src_stride_y, src_u, src_stride_u, src_v, src_stride_v, + argb_buffer, src_width * 4, src_width, src_height); + + r = ARGBScaleClip(argb_buffer, src_width * 4, src_width, src_height, dst_argb, + dst_stride_argb, dst_width, dst_height, clip_x, clip_y, + clip_width, clip_height, filtering); + free(argb_buffer); + return r; +} + +static void FillRamp(uint8_t* buf, + int width, + int height, + int v, + int dx, + int dy) { + int rv = v; + for (int y = 0; y < height; ++y) { + for (int x = 0; x < width; ++x) { + *buf++ = v; + v += dx; + if (v < 0 || v > 255) { + dx = -dx; + v += dx; + } + } + v = rv + dy; + if (v < 0 || v > 255) { + dy = -dy; + v += dy; + } + rv = v; + } +} + +// Test scaling with C vs Opt and return maximum pixel difference. 0 = exact. +static int YUVToARGBTestFilter(int src_width, + int src_height, + int dst_width, + int dst_height, + FilterMode f, + int benchmark_iterations) { + int64_t src_y_plane_size = Abs(src_width) * Abs(src_height); + int64_t src_uv_plane_size = + ((Abs(src_width) + 1) / 2) * ((Abs(src_height) + 1) / 2); + int src_stride_y = Abs(src_width); + int src_stride_uv = (Abs(src_width) + 1) / 2; + + 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); + + int64_t dst_argb_plane_size = (dst_width) * (dst_height)*4LL; + int dst_stride_argb = (dst_width)*4; + align_buffer_page_end(dst_argb_c, dst_argb_plane_size); + align_buffer_page_end(dst_argb_opt, dst_argb_plane_size); + if (!dst_argb_c || !dst_argb_opt || !src_y || !src_u || !src_v) { + printf("Skipped. Alloc failed " FILELINESTR(__FILE__, __LINE__) "\n"); + return 0; + } + // Fill YUV image with continuous ramp, which is less sensitive to + // subsampling and filtering differences for test purposes. + FillRamp(src_y, Abs(src_width), Abs(src_height), 128, 1, 1); + FillRamp(src_u, (Abs(src_width) + 1) / 2, (Abs(src_height) + 1) / 2, 3, 1, 1); + FillRamp(src_v, (Abs(src_width) + 1) / 2, (Abs(src_height) + 1) / 2, 4, 1, 1); + memset(dst_argb_c, 2, dst_argb_plane_size); + memset(dst_argb_opt, 3, dst_argb_plane_size); + + YUVToARGBScaleReference2(src_y, src_stride_y, src_u, src_stride_uv, src_v, + src_stride_uv, libyuv::FOURCC_I420, src_width, + src_height, dst_argb_c, dst_stride_argb, + libyuv::FOURCC_I420, dst_width, dst_height, 0, 0, + dst_width, dst_height, f); + + for (int i = 0; i < benchmark_iterations; ++i) { + YUVToARGBScaleClip(src_y, src_stride_y, src_u, src_stride_uv, src_v, + src_stride_uv, libyuv::FOURCC_I420, src_width, + src_height, dst_argb_opt, dst_stride_argb, + libyuv::FOURCC_I420, dst_width, dst_height, 0, 0, + dst_width, dst_height, f); + } + int max_diff = 0; + for (int i = 0; i < dst_height; ++i) { + for (int j = 0; j < dst_width * 4; ++j) { + int abs_diff = Abs(dst_argb_c[(i * dst_stride_argb) + j] - + dst_argb_opt[(i * dst_stride_argb) + j]); + if (abs_diff > max_diff) { + printf("error %d at %d,%d c %d opt %d", abs_diff, j, i, + dst_argb_c[(i * dst_stride_argb) + j], + dst_argb_opt[(i * dst_stride_argb) + j]); + EXPECT_LE(abs_diff, 40); + max_diff = abs_diff; + } + } + } + + free_aligned_buffer_page_end(dst_argb_c); + free_aligned_buffer_page_end(dst_argb_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_F(LibYUVScaleTest, YUVToRGBScaleUp) { + int diff = + YUVToARGBTestFilter(benchmark_width_, benchmark_height_, + benchmark_width_ * 3 / 2, benchmark_height_ * 3 / 2, + libyuv::kFilterBilinear, benchmark_iterations_); + EXPECT_LE(diff, 10); +} + +TEST_F(LibYUVScaleTest, YUVToRGBScaleDown) { + int diff = YUVToARGBTestFilter( + benchmark_width_ * 3 / 2, benchmark_height_ * 3 / 2, benchmark_width_, + benchmark_height_, libyuv::kFilterBilinear, benchmark_iterations_); + EXPECT_LE(diff, 10); +} + +TEST_F(LibYUVScaleTest, ARGBTest3x) { + const int kSrcStride = 480 * 4; + const int kDstStride = 160 * 4; + const int kSize = kSrcStride * 3; + align_buffer_page_end(orig_pixels, kSize); + for (int i = 0; i < 480 * 3; ++i) { + orig_pixels[i * 4 + 0] = i; + orig_pixels[i * 4 + 1] = 255 - i; + orig_pixels[i * 4 + 2] = i + 1; + orig_pixels[i * 4 + 3] = i + 10; + } + align_buffer_page_end(dest_pixels, kDstStride); + + int iterations160 = (benchmark_width_ * benchmark_height_ + (160 - 1)) / 160 * + benchmark_iterations_; + for (int i = 0; i < iterations160; ++i) { + ARGBScale(orig_pixels, kSrcStride, 480, 3, dest_pixels, kDstStride, 160, 1, + kFilterBilinear); + } + + EXPECT_EQ(225, dest_pixels[0]); + EXPECT_EQ(255 - 225, dest_pixels[1]); + EXPECT_EQ(226, dest_pixels[2]); + EXPECT_EQ(235, dest_pixels[3]); + + ARGBScale(orig_pixels, kSrcStride, 480, 3, dest_pixels, kDstStride, 160, 1, + kFilterNone); + + EXPECT_EQ(225, dest_pixels[0]); + EXPECT_EQ(255 - 225, dest_pixels[1]); + EXPECT_EQ(226, dest_pixels[2]); + EXPECT_EQ(235, dest_pixels[3]); + + free_aligned_buffer_page_end(dest_pixels); + free_aligned_buffer_page_end(orig_pixels); +} + +TEST_F(LibYUVScaleTest, ARGBTest4x) { + const int kSrcStride = 640 * 4; + const int kDstStride = 160 * 4; + const int kSize = kSrcStride * 4; + align_buffer_page_end(orig_pixels, kSize); + for (int i = 0; i < 640 * 4; ++i) { + orig_pixels[i * 4 + 0] = i; + orig_pixels[i * 4 + 1] = 255 - i; + orig_pixels[i * 4 + 2] = i + 1; + orig_pixels[i * 4 + 3] = i + 10; + } + align_buffer_page_end(dest_pixels, kDstStride); + + int iterations160 = (benchmark_width_ * benchmark_height_ + (160 - 1)) / 160 * + benchmark_iterations_; + for (int i = 0; i < iterations160; ++i) { + ARGBScale(orig_pixels, kSrcStride, 640, 4, dest_pixels, kDstStride, 160, 1, + kFilterBilinear); + } + + EXPECT_NEAR(66, dest_pixels[0], 4); + EXPECT_NEAR(255 - 66, dest_pixels[1], 4); + EXPECT_NEAR(67, dest_pixels[2], 4); + EXPECT_NEAR(76, dest_pixels[3], 4); + + ARGBScale(orig_pixels, kSrcStride, 640, 4, dest_pixels, kDstStride, 160, 1, + kFilterNone); + + EXPECT_EQ(2, dest_pixels[0]); + EXPECT_EQ(255 - 2, dest_pixels[1]); + EXPECT_EQ(3, dest_pixels[2]); + EXPECT_EQ(12, dest_pixels[3]); + + free_aligned_buffer_page_end(dest_pixels); + free_aligned_buffer_page_end(orig_pixels); +} + +} // namespace libyuv |