| /* |
| * Copyright (c) 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/convert_from.h" |
| #include "libyuv/cpu_id.h" |
| #include "libyuv/planar_functions.h" |
| #include "libyuv/rotate.h" |
| #include "unit_test/unit_test.h" |
| |
| #if defined(_MSC_VER) |
| #define SIMD_ALIGNED(var) __declspec(align(16)) var |
| #else // __GNUC__ |
| #define SIMD_ALIGNED(var) var __attribute__((aligned(16))) |
| #endif |
| |
| namespace libyuv { |
| |
| TEST_F(libyuvTest, BenchmarkI420ToARGB_C) { |
| align_buffer_16(src_y, benchmark_width_ * benchmark_height_); |
| align_buffer_16(src_u, (benchmark_width_ * benchmark_height_) >> 2); |
| align_buffer_16(src_v, (benchmark_width_ * benchmark_height_) >> 2); |
| align_buffer_16(dst_argb, (benchmark_width_ << 2) * benchmark_height_); |
| |
| MaskCpuFlags(kCpuInitialized); |
| |
| for (int i = 0; i < benchmark_iterations_; ++i) |
| I420ToARGB(src_y, benchmark_width_, |
| src_u, benchmark_width_ >> 1, |
| src_v, benchmark_width_ >> 1, |
| dst_argb, benchmark_width_ << 2, |
| benchmark_width_, benchmark_height_); |
| |
| MaskCpuFlags(-1); |
| |
| EXPECT_EQ(0, 0); |
| |
| free_aligned_buffer_16(src_y) |
| free_aligned_buffer_16(src_u) |
| free_aligned_buffer_16(src_v) |
| free_aligned_buffer_16(dst_argb) |
| } |
| |
| TEST_F(libyuvTest, BenchmarkI420ToARGB_OPT) { |
| align_buffer_16(src_y, benchmark_width_ * benchmark_height_); |
| align_buffer_16(src_u, (benchmark_width_ * benchmark_height_) >> 2); |
| align_buffer_16(src_v, (benchmark_width_ * benchmark_height_) >> 2); |
| align_buffer_16(dst_argb, (benchmark_width_ << 2) * benchmark_height_); |
| |
| for (int i = 0; i < benchmark_iterations_; ++i) |
| I420ToARGB(src_y, benchmark_width_, |
| src_u, benchmark_width_ >> 1, |
| src_v, benchmark_width_ >> 1, |
| dst_argb, benchmark_width_ << 2, |
| benchmark_width_, benchmark_height_); |
| |
| free_aligned_buffer_16(src_y) |
| free_aligned_buffer_16(src_u) |
| free_aligned_buffer_16(src_v) |
| free_aligned_buffer_16(dst_argb) |
| } |
| |
| #define TESTI420TO(FMT) \ |
| TEST_F(libyuvTest, I420To##FMT##_CvsOPT) { \ |
| const int src_width = 1280; \ |
| const int src_height = 720; \ |
| align_buffer_16(src_y, src_width * src_height); \ |
| align_buffer_16(src_u, (src_width * src_height) >> 2); \ |
| align_buffer_16(src_v, (src_width * src_height) >> 2); \ |
| align_buffer_16(dst_rgb_c, (src_width << 2) * src_height); \ |
| align_buffer_16(dst_rgb_opt, (src_width << 2) * src_height); \ |
| srandom(time(NULL)); \ |
| for (int i = 0; i < src_height; ++i) \ |
| for (int j = 0; j < src_width; ++j) \ |
| src_y[(i * src_height) + j] = (random() & 0xff); \ |
| for (int i = 0; i < src_height >> 1; ++i) \ |
| for (int j = 0; j < src_width >> 1; ++j) { \ |
| src_u[(i * src_height >> 1) + j] = (random() & 0xff); \ |
| src_v[(i * src_height >> 1) + j] = (random() & 0xff); \ |
| } \ |
| MaskCpuFlags(kCpuInitialized); \ |
| I420To##FMT(src_y, src_width, \ |
| src_u, src_width >> 1, \ |
| src_v, src_width >> 1, \ |
| dst_rgb_c, src_width << 2, \ |
| src_width, src_height); \ |
| MaskCpuFlags(-1); \ |
| I420To##FMT(src_y, src_width, \ |
| src_u, src_width >> 1, \ |
| src_v, src_width >> 1, \ |
| dst_rgb_opt, src_width << 2, \ |
| src_width, src_height); \ |
| int err = 0; \ |
| for (int i = 0; i < src_height; ++i) { \ |
| for (int j = 0; j < src_width << 2; ++j) { \ |
| int diff = static_cast<int>(dst_rgb_c[i * src_height + j]) - \ |
| static_cast<int>(dst_rgb_opt[i * src_height + j]); \ |
| if (abs(diff) > 2) \ |
| err++; \ |
| } \ |
| } \ |
| EXPECT_EQ(err, 0); \ |
| free_aligned_buffer_16(src_y) \ |
| free_aligned_buffer_16(src_u) \ |
| free_aligned_buffer_16(src_v) \ |
| free_aligned_buffer_16(dst_rgb_c) \ |
| free_aligned_buffer_16(dst_rgb_opt) \ |
| } |
| |
| TESTI420TO(ARGB) |
| TESTI420TO(BGRA) |
| TESTI420TO(ABGR) |
| |
| TEST_F(libyuvTest, TestAttenuate) { |
| SIMD_ALIGNED(uint8 orig_pixels[256][4]); |
| SIMD_ALIGNED(uint8 atten_pixels[256][4]); |
| SIMD_ALIGNED(uint8 unatten_pixels[256][4]); |
| SIMD_ALIGNED(uint8 atten2_pixels[256][4]); |
| |
| // Test unattenuation clamps |
| orig_pixels[0][0] = 200u; |
| orig_pixels[0][1] = 129u; |
| orig_pixels[0][2] = 127u; |
| orig_pixels[0][3] = 128u; |
| // Test unattenuation transparent and opaque are unaffected |
| orig_pixels[1][0] = 16u; |
| orig_pixels[1][1] = 64u; |
| orig_pixels[1][2] = 192u; |
| orig_pixels[1][3] = 0u; |
| orig_pixels[2][0] = 16u; |
| orig_pixels[2][1] = 64u; |
| orig_pixels[2][2] = 192u; |
| orig_pixels[2][3] = 255u; |
| orig_pixels[3][0] = 16u; |
| orig_pixels[3][1] = 64u; |
| orig_pixels[3][2] = 192u; |
| orig_pixels[3][3] = 128u; |
| ARGBUnattenuate(&orig_pixels[0][0], 0, &unatten_pixels[0][0], 0, 4, 1); |
| EXPECT_EQ(255u, unatten_pixels[0][0]); |
| EXPECT_EQ(255u, unatten_pixels[0][1]); |
| EXPECT_EQ(254u, unatten_pixels[0][2]); |
| EXPECT_EQ(128u, unatten_pixels[0][3]); |
| EXPECT_EQ(16u, unatten_pixels[1][0]); |
| EXPECT_EQ(64u, unatten_pixels[1][1]); |
| EXPECT_EQ(192u, unatten_pixels[1][2]); |
| EXPECT_EQ(0u, unatten_pixels[1][3]); |
| EXPECT_EQ(16u, unatten_pixels[2][0]); |
| EXPECT_EQ(64u, unatten_pixels[2][1]); |
| EXPECT_EQ(192u, unatten_pixels[2][2]); |
| EXPECT_EQ(255u, unatten_pixels[2][3]); |
| EXPECT_EQ(32u, unatten_pixels[3][0]); |
| EXPECT_EQ(128u, unatten_pixels[3][1]); |
| EXPECT_EQ(255u, unatten_pixels[3][2]); |
| EXPECT_EQ(128u, unatten_pixels[3][3]); |
| |
| for (int i = 0; i < 256; ++i) { |
| orig_pixels[i][0] = i; |
| orig_pixels[i][1] = i / 2; |
| orig_pixels[i][2] = i / 3; |
| orig_pixels[i][3] = i; |
| } |
| ARGBAttenuate(&orig_pixels[0][0], 0, &atten_pixels[0][0], 0, 256, 1); |
| ARGBUnattenuate(&atten_pixels[0][0], 0, &unatten_pixels[0][0], 0, 256, 1); |
| for (int i = 0; i < 1000 * 1280 * 720 / 256; ++i) { |
| ARGBAttenuate(&unatten_pixels[0][0], 0, &atten2_pixels[0][0], 0, 256, 1); |
| } |
| for (int i = 0; i < 256; ++i) { |
| EXPECT_NEAR(atten_pixels[i][0], atten2_pixels[i][0], 2); |
| EXPECT_NEAR(atten_pixels[i][1], atten2_pixels[i][1], 2); |
| EXPECT_NEAR(atten_pixels[i][2], atten2_pixels[i][2], 2); |
| EXPECT_NEAR(atten_pixels[i][3], atten2_pixels[i][3], 2); |
| } |
| // Make sure transparent, 50% and opaque are fully accurate. |
| EXPECT_EQ(0, atten_pixels[0][0]); |
| EXPECT_EQ(0, atten_pixels[0][1]); |
| EXPECT_EQ(0, atten_pixels[0][2]); |
| EXPECT_EQ(0, atten_pixels[0][3]); |
| EXPECT_EQ(64, atten_pixels[128][0]); |
| EXPECT_EQ(32, atten_pixels[128][1]); |
| EXPECT_EQ(21, atten_pixels[128][2]); |
| EXPECT_EQ(128, atten_pixels[128][3]); |
| EXPECT_EQ(255, atten_pixels[255][0]); |
| EXPECT_EQ(127, atten_pixels[255][1]); |
| EXPECT_EQ(85, atten_pixels[255][2]); |
| EXPECT_EQ(255, atten_pixels[255][3]); |
| } |
| |
| TEST_F(libyuvTest, TestAddRow) { |
| SIMD_ALIGNED(uint8 orig_pixels[256]); |
| SIMD_ALIGNED(uint16 added_pixels[256]); |
| |
| libyuv::AddRow AddRow = GetAddRow(added_pixels, 256); |
| libyuv::AddRow SubRow = GetSubRow(added_pixels, 256); |
| |
| for (int i = 0; i < 256; ++i) { |
| orig_pixels[i] = i; |
| } |
| memset(added_pixels, 0, sizeof(uint16) * 256); |
| |
| AddRow(orig_pixels, added_pixels, 256); |
| EXPECT_EQ(7u, added_pixels[7]); |
| EXPECT_EQ(250u, added_pixels[250]); |
| AddRow(orig_pixels, added_pixels, 256); |
| EXPECT_EQ(14u, added_pixels[7]); |
| EXPECT_EQ(500u, added_pixels[250]); |
| SubRow(orig_pixels, added_pixels, 256); |
| EXPECT_EQ(7u, added_pixels[7]); |
| EXPECT_EQ(250u, added_pixels[250]); |
| |
| for (int i = 0; i < 1000 * (1280 * 720 * 4 / 256); ++i) { |
| AddRow(orig_pixels, added_pixels, 256); |
| } |
| } |
| |
| TEST_F(libyuvTest, TestARGBGray) { |
| SIMD_ALIGNED(uint8 orig_pixels[256][4]); |
| |
| // Test blue |
| orig_pixels[0][0] = 255u; |
| orig_pixels[0][1] = 0u; |
| orig_pixels[0][2] = 0u; |
| orig_pixels[0][3] = 128u; |
| // Test green |
| orig_pixels[1][0] = 0u; |
| orig_pixels[1][1] = 255u; |
| orig_pixels[1][2] = 0u; |
| orig_pixels[1][3] = 0u; |
| // Test red |
| orig_pixels[2][0] = 0u; |
| orig_pixels[2][1] = 0u; |
| orig_pixels[2][2] = 255u; |
| orig_pixels[2][3] = 255u; |
| // Test color |
| orig_pixels[3][0] = 16u; |
| orig_pixels[3][1] = 64u; |
| orig_pixels[3][2] = 192u; |
| orig_pixels[3][3] = 224u; |
| ARGBGray(&orig_pixels[0][0], 0, 0, 0, 4, 1); |
| EXPECT_EQ(27u, orig_pixels[0][0]); |
| EXPECT_EQ(27u, orig_pixels[0][1]); |
| EXPECT_EQ(27u, orig_pixels[0][2]); |
| EXPECT_EQ(128u, orig_pixels[0][3]); |
| EXPECT_EQ(151u, orig_pixels[1][0]); |
| EXPECT_EQ(151u, orig_pixels[1][1]); |
| EXPECT_EQ(151u, orig_pixels[1][2]); |
| EXPECT_EQ(0u, orig_pixels[1][3]); |
| EXPECT_EQ(75u, orig_pixels[2][0]); |
| EXPECT_EQ(75u, orig_pixels[2][1]); |
| EXPECT_EQ(75u, orig_pixels[2][2]); |
| EXPECT_EQ(255u, orig_pixels[2][3]); |
| EXPECT_EQ(96u, orig_pixels[3][0]); |
| EXPECT_EQ(96u, orig_pixels[3][1]); |
| EXPECT_EQ(96u, orig_pixels[3][2]); |
| EXPECT_EQ(224u, orig_pixels[3][3]); |
| |
| for (int i = 0; i < 256; ++i) { |
| orig_pixels[i][0] = i; |
| orig_pixels[i][1] = i / 2; |
| orig_pixels[i][2] = i / 3; |
| orig_pixels[i][3] = i; |
| } |
| |
| for (int i = 0; i < 1000 * 1280 * 720 / 256; ++i) { |
| ARGBGray(&orig_pixels[0][0], 0, 0, 0, 256, 1); |
| } |
| } |
| } // namespace libyuv |
