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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 <ultrahdr/jpegencoderhelper.h>
#include <gtest/gtest.h>
#include <utils/Log.h>
#include <fcntl.h>
namespace android::ultrahdr {
#define ALIGNED_IMAGE "/data/local/tmp/minnie-320x240.yu12"
#define ALIGNED_IMAGE_WIDTH 320
#define ALIGNED_IMAGE_HEIGHT 240
#define SINGLE_CHANNEL_IMAGE "/data/local/tmp/minnie-320x240.y"
#define SINGLE_CHANNEL_IMAGE_WIDTH ALIGNED_IMAGE_WIDTH
#define SINGLE_CHANNEL_IMAGE_HEIGHT ALIGNED_IMAGE_HEIGHT
#define UNALIGNED_IMAGE "/data/local/tmp/minnie-318x240.yu12"
#define UNALIGNED_IMAGE_WIDTH 318
#define UNALIGNED_IMAGE_HEIGHT 240
#define JPEG_QUALITY 90
class JpegEncoderHelperTest : public testing::Test {
public:
struct Image {
std::unique_ptr<uint8_t[]> buffer;
size_t width;
size_t height;
};
JpegEncoderHelperTest();
~JpegEncoderHelperTest();
protected:
virtual void SetUp();
virtual void TearDown();
Image mAlignedImage, mUnalignedImage, mSingleChannelImage;
};
JpegEncoderHelperTest::JpegEncoderHelperTest() {}
JpegEncoderHelperTest::~JpegEncoderHelperTest() {}
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[], JpegEncoderHelperTest::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 JpegEncoderHelperTest::SetUp() {
if (!loadFile(ALIGNED_IMAGE, &mAlignedImage)) {
FAIL() << "Load file " << ALIGNED_IMAGE << " failed";
}
mAlignedImage.width = ALIGNED_IMAGE_WIDTH;
mAlignedImage.height = ALIGNED_IMAGE_HEIGHT;
if (!loadFile(UNALIGNED_IMAGE, &mUnalignedImage)) {
FAIL() << "Load file " << UNALIGNED_IMAGE << " failed";
}
mUnalignedImage.width = UNALIGNED_IMAGE_WIDTH;
mUnalignedImage.height = UNALIGNED_IMAGE_HEIGHT;
if (!loadFile(SINGLE_CHANNEL_IMAGE, &mSingleChannelImage)) {
FAIL() << "Load file " << SINGLE_CHANNEL_IMAGE << " failed";
}
mSingleChannelImage.width = SINGLE_CHANNEL_IMAGE_WIDTH;
mSingleChannelImage.height = SINGLE_CHANNEL_IMAGE_HEIGHT;
}
void JpegEncoderHelperTest::TearDown() {}
TEST_F(JpegEncoderHelperTest, encodeAlignedImage) {
JpegEncoderHelper encoder;
EXPECT_TRUE(encoder.compressImage(mAlignedImage.buffer.get(),
mAlignedImage.buffer.get() +
mAlignedImage.width * mAlignedImage.height,
mAlignedImage.width, mAlignedImage.height,
mAlignedImage.width, mAlignedImage.width / 2, JPEG_QUALITY,
NULL, 0));
ASSERT_GT(encoder.getCompressedImageSize(), static_cast<uint32_t>(0));
}
TEST_F(JpegEncoderHelperTest, encodeUnalignedImage) {
JpegEncoderHelper encoder;
EXPECT_TRUE(encoder.compressImage(mUnalignedImage.buffer.get(),
mUnalignedImage.buffer.get() +
mUnalignedImage.width * mUnalignedImage.height,
mUnalignedImage.width, mUnalignedImage.height,
mUnalignedImage.width, mUnalignedImage.width / 2,
JPEG_QUALITY, NULL, 0));
ASSERT_GT(encoder.getCompressedImageSize(), static_cast<uint32_t>(0));
}
TEST_F(JpegEncoderHelperTest, encodeSingleChannelImage) {
JpegEncoderHelper encoder;
EXPECT_TRUE(encoder.compressImage(mSingleChannelImage.buffer.get(), nullptr,
mSingleChannelImage.width, mSingleChannelImage.height,
mSingleChannelImage.width, 0, JPEG_QUALITY, NULL, 0));
ASSERT_GT(encoder.getCompressedImageSize(), static_cast<uint32_t>(0));
}
} // namespace android::ultrahdr
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