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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/ultrahdr.h"
#include "ultrahdr/jpegencoderhelper.h"
namespace ultrahdr {
#ifdef __ANDROID__
#define ALIGNED_IMAGE "/data/local/tmp/minnie-320x240.yu12"
#define SINGLE_CHANNEL_IMAGE "/data/local/tmp/minnie-320x240.y"
#define UNALIGNED_IMAGE "/data/local/tmp/minnie-318x240.yu12"
#else
#define ALIGNED_IMAGE "./data/minnie-320x240.yu12"
#define SINGLE_CHANNEL_IMAGE "./data/minnie-320x240.y"
#define UNALIGNED_IMAGE "./data/minnie-318x240.yu12"
#endif
#define ALIGNED_IMAGE_WIDTH 320
#define ALIGNED_IMAGE_HEIGHT 240
#define SINGLE_CHANNEL_IMAGE_WIDTH ALIGNED_IMAGE_WIDTH
#define SINGLE_CHANNEL_IMAGE_HEIGHT ALIGNED_IMAGE_HEIGHT
#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 bool loadFile(const char filename[], JpegEncoderHelperTest::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 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 ultrahdr
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