Ed Tanous | 93f987d | 2017-04-17 17:52:36 -0700 | [diff] [blame] | 1 | #include "ast_jpeg_decoder.hpp" |
Ed Tanous | 9140a67 | 2017-04-24 17:01:32 -0700 | [diff] [blame] | 2 | #include <gmock/gmock.h> |
| 3 | #include <gtest/gtest.h> |
Ed Tanous | 93f987d | 2017-04-17 17:52:36 -0700 | [diff] [blame] | 4 | |
| 5 | #ifdef BUILD_CIMG |
| 6 | #define cimg_display 0 |
| 7 | #include <CImg.h> |
| 8 | #endif |
| 9 | |
| 10 | using namespace testing; |
| 11 | MATCHER_P2(IsBetween, a, b, std::string(negation ? "isn't" : "is") + |
| 12 | " between " + PrintToString(a) + " and " + |
| 13 | PrintToString(b)) { |
| 14 | return a <= arg && arg <= b; |
| 15 | }; |
| 16 | |
| 17 | TEST(AstJpegDecoder, AllBlue) { |
| 18 | AstVideo::RawVideoBuffer out; |
| 19 | |
| 20 | // This binary blog was created on the aspeed hardware using a blue screen |
| 21 | // consisting of the color 0x8EFFFA in a web browser window |
| 22 | FILE *fp = fopen("test_resources/aspeedbluescreen.bin", "rb"); |
| 23 | EXPECT_NE(fp, nullptr); |
| 24 | size_t bufferlen = fread(out.buffer.data(), sizeof(char), |
| 25 | out.buffer.size() * sizeof(long), fp); |
| 26 | fclose(fp); |
| 27 | |
| 28 | ASSERT_GT(bufferlen, 0); |
| 29 | |
| 30 | out.y_selector = 0; |
| 31 | out.uv_selector = 0; |
| 32 | out.mode = AstVideo::YuvMode::YUV444; |
| 33 | out.width = 800; |
| 34 | out.height = 600; |
| 35 | |
| 36 | AstVideo::AstJpegDecoder d; |
| 37 | d.decode(out.buffer, out.width, out.height, out.mode, out.y_selector, |
| 38 | out.uv_selector); |
| 39 | |
| 40 | int tolerance = 16; |
| 41 | |
| 42 | // All pixels should be blue (0x8EFFFA) to within a tolerance (due to jpeg |
| 43 | // compression artifacts and quanitization) |
| 44 | for (int i = 0; i < out.width * out.height; i++) { |
| 45 | AstVideo::RGB &pixel = d.OutBuffer[i]; |
| 46 | EXPECT_GT(pixel.R, 0x8E - tolerance); |
| 47 | EXPECT_LT(pixel.R, 0x8E + tolerance); |
| 48 | EXPECT_GT(pixel.G, 0xFF - tolerance); |
| 49 | EXPECT_LT(pixel.G, 0xFF + tolerance); |
| 50 | EXPECT_GT(pixel.B, 0xF1 - tolerance); |
| 51 | EXPECT_LT(pixel.B, 0xF1 + tolerance); |
| 52 | } |
| 53 | } |
| 54 | |
| 55 | TEST(AstJpegDecoder, AllBlack) { |
| 56 | AstVideo::RawVideoBuffer out; |
| 57 | |
| 58 | // This binary blog was created on the aspeed hardware using a black screen |
| 59 | FILE *fp = fopen("test_resources/aspeedblackscreen.bin", "rb"); |
| 60 | EXPECT_NE(fp, nullptr); |
| 61 | size_t bufferlen = fread(out.buffer.data(), sizeof(char), |
| 62 | out.buffer.size() * sizeof(long), fp); |
| 63 | fclose(fp); |
| 64 | |
| 65 | ASSERT_GT(bufferlen, 0); |
| 66 | |
| 67 | out.y_selector = 0; |
| 68 | out.uv_selector = 0; |
| 69 | out.mode = AstVideo::YuvMode::YUV444; |
| 70 | out.width = 800; |
| 71 | out.height = 600; |
| 72 | |
| 73 | AstVideo::AstJpegDecoder d; |
| 74 | d.decode(out.buffer, out.width, out.height, out.mode, out.y_selector, |
| 75 | out.uv_selector); |
| 76 | |
| 77 | // All pixels should be blue (0x8EFFFA) to within a tolerance (due to jpeg |
| 78 | // compression artifacts and quanitization) |
| 79 | for (int x = 0; x < out.width; x++) { |
| 80 | for (int y = 0; y < out.height; y++) { |
| 81 | AstVideo::RGB pixel = d.OutBuffer[x + (y * out.width)]; |
| 82 | ASSERT_EQ(pixel.R, 0x00) << "X:" << x << " Y: " << y; |
| 83 | ASSERT_EQ(pixel.G, 0x00) << "X:" << x << " Y: " << y; |
| 84 | ASSERT_EQ(pixel.B, 0x00) << "X:" << x << " Y: " << y; |
| 85 | } |
| 86 | } |
| 87 | } |
Ed Tanous | 9140a67 | 2017-04-24 17:01:32 -0700 | [diff] [blame] | 88 | |
Ed Tanous | 93f987d | 2017-04-17 17:52:36 -0700 | [diff] [blame] | 89 | TEST(AstJpegDecoder, TestColors) { |
| 90 | AstVideo::RawVideoBuffer out; |
| 91 | |
| 92 | // This binary blog was created on the aspeed hardware using a blue screen |
| 93 | // consisting of the color 0x8EFFFA in a web browser window |
| 94 | FILE *fp = fopen("test_resources/ubuntu_444_800x600_0chrom_0lum.bin", "rb"); |
| 95 | EXPECT_NE(fp, nullptr); |
| 96 | size_t bufferlen = fread(out.buffer.data(), sizeof(char), |
| 97 | out.buffer.size() * sizeof(long), fp); |
| 98 | fclose(fp); |
| 99 | |
| 100 | ASSERT_GT(bufferlen, 0); |
| 101 | |
| 102 | out.y_selector = 0; |
| 103 | out.uv_selector = 0; |
| 104 | out.mode = AstVideo::YuvMode::YUV444; |
| 105 | out.width = 800; |
| 106 | out.height = 600; |
| 107 | |
| 108 | AstVideo::AstJpegDecoder d; |
| 109 | d.decode(out.buffer, out.width, out.height, out.mode, out.y_selector, |
| 110 | out.uv_selector); |
| 111 | |
| 112 | int tolerance = 16; |
Ed Tanous | 9140a67 | 2017-04-24 17:01:32 -0700 | [diff] [blame] | 113 | /* |
Ed Tanous | 93f987d | 2017-04-17 17:52:36 -0700 | [diff] [blame] | 114 | for (int i = 0; i < out.width * out.height; i++) { |
| 115 | AstVideo::RGB &pixel = d.OutBuffer[i]; |
| 116 | EXPECT_GT(pixel.R, 0x8E - tolerance); |
| 117 | EXPECT_LT(pixel.R, 0x8E + tolerance); |
| 118 | EXPECT_GT(pixel.G, 0xFF - tolerance); |
| 119 | EXPECT_LT(pixel.G, 0xFF + tolerance); |
| 120 | EXPECT_GT(pixel.B, 0xF1 - tolerance); |
| 121 | EXPECT_LT(pixel.B, 0xF1 + tolerance); |
| 122 | } |
Ed Tanous | 9140a67 | 2017-04-24 17:01:32 -0700 | [diff] [blame] | 123 | */ |
Ed Tanous | 93f987d | 2017-04-17 17:52:36 -0700 | [diff] [blame] | 124 | } |
Ed Tanous | 9140a67 | 2017-04-24 17:01:32 -0700 | [diff] [blame] | 125 | |
Ed Tanous | 93f987d | 2017-04-17 17:52:36 -0700 | [diff] [blame] | 126 | // Tests the buffers around the screen aren't written to |
| 127 | TEST(AstJpegDecoder, BufferLimits) { |
| 128 | AstVideo::RawVideoBuffer out; |
| 129 | |
| 130 | // This binary blog was created on the aspeed hardware using a black screen |
| 131 | FILE *fp = fopen("test_resources/aspeedblackscreen.bin", "rb"); |
| 132 | EXPECT_NE(fp, nullptr); |
| 133 | size_t bufferlen = fread(out.buffer.data(), sizeof(char), |
| 134 | out.buffer.size() * sizeof(long), fp); |
| 135 | fclose(fp); |
| 136 | |
| 137 | ASSERT_GT(bufferlen, 0); |
| 138 | |
| 139 | out.y_selector = 0; |
| 140 | out.uv_selector = 0; |
| 141 | out.mode = AstVideo::YuvMode::YUV444; |
| 142 | out.width = 800; |
| 143 | out.height = 600; |
| 144 | |
| 145 | AstVideo::AstJpegDecoder d; |
| 146 | d.decode(out.buffer, out.width, out.height, out.mode, out.y_selector, |
| 147 | out.uv_selector); |
| 148 | // Reserved pixel should be default value |
| 149 | for (auto &pixel : d.OutBuffer) { |
| 150 | EXPECT_EQ(pixel.Reserved, 0xAA); |
| 151 | } |
| 152 | // All pixels beyond the buffer should be zero |
| 153 | for (int i = out.width * out.height; i < d.OutBuffer.size(); i++) { |
| 154 | EXPECT_EQ(d.OutBuffer[i].R, 0x00) << "index:" << i; |
| 155 | EXPECT_EQ(d.OutBuffer[i].B, 0x00) << "index:" << i; |
| 156 | EXPECT_EQ(d.OutBuffer[i].G, 0x00) << "index:" << i; |
| 157 | } |
| 158 | } |