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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 <ultrahdr/icc.h>
#include <ultrahdr/jpegdecoderhelper.h>
#include <utils/Log.h>
#include <fcntl.h>
namespace android::ultrahdr {
// No ICC or EXIF
#define YUV_IMAGE "/data/local/tmp/minnie-320x240-yuv.jpg"
#define YUV_IMAGE_SIZE 20193
// Has ICC and EXIF
#define YUV_ICC_IMAGE "/data/local/tmp/minnie-320x240-yuv-icc.jpg"
#define YUV_ICC_IMAGE_SIZE 34266
// No ICC or EXIF
#define GREY_IMAGE "/data/local/tmp/minnie-320x240-y.jpg"
#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 size_t getFileSize(int fd) {
struct stat st;
if (fstat(fd, &st) < 0) {
ALOGW("%s : fstat failed", __func__);
return 0;
}
return st.st_size; // bytes
}
static bool loadFile(const char filename[], JpegDecoderHelperTest::Image* result) {
int fd = open(filename, O_CLOEXEC);
if (fd < 0) {
return false;
}
int length = getFileSize(fd);
if (length == 0) {
close(fd);
return false;
}
result->buffer.reset(new uint8_t[length]);
if (read(fd, result->buffer.get(), length) != static_cast<ssize_t>(length)) {
close(fd);
return false;
}
close(fd);
return true;
}
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 android::ultrahdr
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