| // Copyright 2015 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "base/at_exit.h" |
| #include "base/files/memory_mapped_file.h" |
| #include "base/path_service.h" |
| #include "cobalt/media/base/test_data_util.h" |
| #include "cobalt/media/filters/jpeg_parser.h" |
| #include "starboard/types.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace cobalt { |
| namespace media { |
| |
| TEST(JpegParserTest, Parsing) { |
| base::FilePath data_dir; |
| ASSERT_TRUE(PathService::Get(base::DIR_SOURCE_ROOT, &data_dir)); |
| |
| // This sample frame is captured from Chromebook Pixel |
| base::FilePath file_path = data_dir.AppendASCII("media") |
| .AppendASCII("test") |
| .AppendASCII("data") |
| .AppendASCII("pixel-1280x720.jpg"); |
| |
| base::MemoryMappedFile stream; |
| ASSERT_TRUE(stream.Initialize(file_path)) << "Couldn't open stream file: " |
| << file_path.MaybeAsASCII(); |
| |
| JpegParseResult result; |
| ASSERT_TRUE(ParseJpegPicture(stream.data(), stream.length(), &result)); |
| |
| // Verify selected fields |
| |
| // SOF fields |
| EXPECT_EQ(1280, result.frame_header.visible_width); |
| EXPECT_EQ(720, result.frame_header.visible_height); |
| EXPECT_EQ(1280, result.frame_header.coded_width); |
| EXPECT_EQ(720, result.frame_header.coded_height); |
| EXPECT_EQ(3, result.frame_header.num_components); |
| EXPECT_EQ(1, result.frame_header.components[0].id); |
| EXPECT_EQ(2, result.frame_header.components[0].horizontal_sampling_factor); |
| EXPECT_EQ(1, result.frame_header.components[0].vertical_sampling_factor); |
| EXPECT_EQ(0, result.frame_header.components[0].quantization_table_selector); |
| EXPECT_EQ(2, result.frame_header.components[1].id); |
| EXPECT_EQ(1, result.frame_header.components[1].horizontal_sampling_factor); |
| EXPECT_EQ(1, result.frame_header.components[1].vertical_sampling_factor); |
| EXPECT_EQ(1, result.frame_header.components[1].quantization_table_selector); |
| EXPECT_EQ(3, result.frame_header.components[2].id); |
| EXPECT_EQ(1, result.frame_header.components[2].horizontal_sampling_factor); |
| EXPECT_EQ(1, result.frame_header.components[2].vertical_sampling_factor); |
| EXPECT_EQ(1, result.frame_header.components[2].quantization_table_selector); |
| |
| // DRI fields |
| EXPECT_EQ(0, result.restart_interval); |
| |
| // DQT fields |
| EXPECT_TRUE(result.q_table[0].valid); |
| EXPECT_TRUE(result.q_table[1].valid); |
| EXPECT_FALSE(result.q_table[2].valid); |
| EXPECT_FALSE(result.q_table[3].valid); |
| |
| // DHT fields (no DHT marker) |
| EXPECT_FALSE(result.dc_table[0].valid); |
| EXPECT_FALSE(result.ac_table[0].valid); |
| EXPECT_FALSE(result.dc_table[1].valid); |
| EXPECT_FALSE(result.ac_table[1].valid); |
| |
| // SOS fields |
| EXPECT_EQ(3, result.scan.num_components); |
| EXPECT_EQ(1, result.scan.components[0].component_selector); |
| EXPECT_EQ(0, result.scan.components[0].dc_selector); |
| EXPECT_EQ(0, result.scan.components[0].ac_selector); |
| EXPECT_EQ(2, result.scan.components[1].component_selector); |
| EXPECT_EQ(1, result.scan.components[1].dc_selector); |
| EXPECT_EQ(1, result.scan.components[1].ac_selector); |
| EXPECT_EQ(3, result.scan.components[2].component_selector); |
| EXPECT_EQ(1, result.scan.components[2].dc_selector); |
| EXPECT_EQ(1, result.scan.components[2].ac_selector); |
| EXPECT_EQ(121150u, result.data_size); |
| EXPECT_EQ(121358u, result.image_size); |
| } |
| |
| TEST(JpegParserTest, CodedSizeNotEqualVisibleSize) { |
| base::FilePath data_dir; |
| ASSERT_TRUE(PathService::Get(base::DIR_SOURCE_ROOT, &data_dir)); |
| |
| base::FilePath file_path = data_dir.AppendASCII("media") |
| .AppendASCII("test") |
| .AppendASCII("data") |
| .AppendASCII("blank-1x1.jpg"); |
| |
| base::MemoryMappedFile stream; |
| ASSERT_TRUE(stream.Initialize(file_path)) << "Couldn't open stream file: " |
| << file_path.MaybeAsASCII(); |
| |
| JpegParseResult result; |
| ASSERT_TRUE(ParseJpegPicture(stream.data(), stream.length(), &result)); |
| |
| EXPECT_EQ(1, result.frame_header.visible_width); |
| EXPECT_EQ(1, result.frame_header.visible_height); |
| // The sampling factor of the given image is 2:2, so coded size is 16x16 |
| EXPECT_EQ(16, result.frame_header.coded_width); |
| EXPECT_EQ(16, result.frame_header.coded_height); |
| EXPECT_EQ(2, result.frame_header.components[0].horizontal_sampling_factor); |
| EXPECT_EQ(2, result.frame_header.components[0].vertical_sampling_factor); |
| } |
| |
| TEST(JpegParserTest, ParsingFail) { |
| const uint8_t data[] = {0, 1, 2, 3}; // not jpeg |
| JpegParseResult result; |
| ASSERT_FALSE(ParseJpegPicture(data, sizeof(data), &result)); |
| } |
| |
| } // namespace media |
| } // namespace cobalt |