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/*
* Copyright 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <gtest/gtest.h>
#include <fstream>
#include <iostream>
#include "ultrahdr/ultrahdrcommon.h"
#include "ultrahdr/jpegdecoderhelper.h"
#include "ultrahdr/icc.h"
namespace ultrahdr {
// minnie-320x240-yuv.jpg & minnie-320x240-y.jpg has no icc or exif
// minnie-320x240-yuv-icc.jpg has icc
#ifdef __ANDROID__
#define YUV_IMAGE "/data/local/tmp/minnie-320x240-yuv.jpg"
#define YUV_ICC_IMAGE "/data/local/tmp/minnie-320x240-yuv-icc.jpg"
#define GREY_IMAGE "/data/local/tmp/minnie-320x240-y.jpg"
#else
#define YUV_IMAGE "./data/minnie-320x240-yuv.jpg"
#define YUV_ICC_IMAGE "./data/minnie-320x240-yuv-icc.jpg"
#define GREY_IMAGE "./data/minnie-320x240-y.jpg"
#endif
#define YUV_IMAGE_SIZE 20193
#define YUV_ICC_IMAGE_SIZE 34266
#define GREY_IMAGE_SIZE 20193
#define IMAGE_WIDTH 320
#define IMAGE_HEIGHT 240
class JpegDecoderHelperTest : public testing::Test {
public:
struct Image {
std::unique_ptr<uint8_t[]> buffer;
size_t size;
};
JpegDecoderHelperTest();
~JpegDecoderHelperTest();
protected:
virtual void SetUp();
virtual void TearDown();
Image mYuvImage, mYuvIccImage, mGreyImage;
};
JpegDecoderHelperTest::JpegDecoderHelperTest() {}
JpegDecoderHelperTest::~JpegDecoderHelperTest() {}
static bool loadFile(const char filename[], JpegDecoderHelperTest::Image* result) {
std::ifstream ifd(filename, std::ios::binary | std::ios::ate);
if (ifd.good()) {
int size = ifd.tellg();
ifd.seekg(0, std::ios::beg);
result->buffer.reset(new uint8_t[size]);
ifd.read(reinterpret_cast<char*>(result->buffer.get()), size);
ifd.close();
return true;
}
return false;
}
void JpegDecoderHelperTest::SetUp() {
if (!loadFile(YUV_IMAGE, &mYuvImage)) {
FAIL() << "Load file " << YUV_IMAGE << " failed";
}
mYuvImage.size = YUV_IMAGE_SIZE;
if (!loadFile(YUV_ICC_IMAGE, &mYuvIccImage)) {
FAIL() << "Load file " << YUV_ICC_IMAGE << " failed";
}
mYuvIccImage.size = YUV_ICC_IMAGE_SIZE;
if (!loadFile(GREY_IMAGE, &mGreyImage)) {
FAIL() << "Load file " << GREY_IMAGE << " failed";
}
mGreyImage.size = GREY_IMAGE_SIZE;
}
void JpegDecoderHelperTest::TearDown() {}
TEST_F(JpegDecoderHelperTest, decodeYuvImage) {
JpegDecoderHelper decoder;
EXPECT_TRUE(decoder.decompressImage(mYuvImage.buffer.get(), mYuvImage.size));
ASSERT_GT(decoder.getDecompressedImageSize(), static_cast<uint32_t>(0));
EXPECT_EQ(IccHelper::readIccColorGamut(decoder.getICCPtr(), decoder.getICCSize()),
ULTRAHDR_COLORGAMUT_UNSPECIFIED);
}
TEST_F(JpegDecoderHelperTest, decodeYuvIccImage) {
JpegDecoderHelper decoder;
EXPECT_TRUE(decoder.decompressImage(mYuvIccImage.buffer.get(), mYuvIccImage.size));
ASSERT_GT(decoder.getDecompressedImageSize(), static_cast<uint32_t>(0));
EXPECT_EQ(IccHelper::readIccColorGamut(decoder.getICCPtr(), decoder.getICCSize()),
ULTRAHDR_COLORGAMUT_BT709);
}
TEST_F(JpegDecoderHelperTest, decodeGreyImage) {
JpegDecoderHelper decoder;
EXPECT_TRUE(decoder.decompressImage(mGreyImage.buffer.get(), mGreyImage.size));
ASSERT_GT(decoder.getDecompressedImageSize(), static_cast<uint32_t>(0));
}
TEST_F(JpegDecoderHelperTest, getCompressedImageParameters) {
size_t width = 0, height = 0;
std::vector<uint8_t> icc, exif;
JpegDecoderHelper decoder;
EXPECT_TRUE(decoder.getCompressedImageParameters(mYuvImage.buffer.get(), mYuvImage.size, &width,
&height, &icc, &exif));
EXPECT_EQ(width, IMAGE_WIDTH);
EXPECT_EQ(height, IMAGE_HEIGHT);
EXPECT_EQ(icc.size(), 0);
EXPECT_EQ(exif.size(), 0);
}
TEST_F(JpegDecoderHelperTest, getCompressedImageParametersIcc) {
size_t width = 0, height = 0;
std::vector<uint8_t> icc, exif;
JpegDecoderHelper decoder;
EXPECT_TRUE(decoder.getCompressedImageParameters(mYuvIccImage.buffer.get(), mYuvIccImage.size,
&width, &height, &icc, &exif));
EXPECT_EQ(width, IMAGE_WIDTH);
EXPECT_EQ(height, IMAGE_HEIGHT);
EXPECT_GT(icc.size(), 0);
EXPECT_GT(exif.size(), 0);
EXPECT_EQ(IccHelper::readIccColorGamut(icc.data(), icc.size()), ULTRAHDR_COLORGAMUT_BT709);
}
} // namespace ultrahdr
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