libjpegrecoverymap: add jpeg encoder with YUV input
bug: b/252835416
test: make, jpegencoder_test
Change-Id: I36f9d56374f072d9a5bb356e8b584a9b9e03bc1e
diff --git a/libs/jpegrecoverymap/tests/jpegencoder_test.cpp b/libs/jpegrecoverymap/tests/jpegencoder_test.cpp
new file mode 100644
index 0000000..2d144f0
--- /dev/null
+++ b/libs/jpegrecoverymap/tests/jpegencoder_test.cpp
@@ -0,0 +1,110 @@
+/*
+ * 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 <jpegrecoverymap/jpegencoder.h>
+#include <gtest/gtest.h>
+#include <utils/Log.h>
+
+#include <fcntl.h>
+
+namespace android::recoverymap {
+
+#define VALID_IMAGE "/sdcard/Documents/minnie-320x240.yu12"
+#define VALID_IMAGE_WIDTH 320
+#define VALID_IMAGE_HEIGHT 240
+#define INVALID_SIZE_IMAGE "/sdcard/Documents/minnie-318x240.yu12"
+#define INVALID_SIZE_IMAGE_WIDTH 318
+#define INVALID_SIZE_IMAGE_HEIGHT 240
+#define JPEG_QUALITY 90
+
+class JpegEncoderTest : public testing::Test {
+public:
+ struct Image {
+ std::unique_ptr<uint8_t[]> buffer;
+ size_t width;
+ size_t height;
+ };
+ JpegEncoderTest();
+ ~JpegEncoderTest();
+protected:
+ virtual void SetUp();
+ virtual void TearDown();
+
+ Image mValidImage, mInvalidSizeImage;
+};
+
+JpegEncoderTest::JpegEncoderTest() {}
+
+JpegEncoderTest::~JpegEncoderTest() {}
+
+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[], JpegEncoderTest::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 JpegEncoderTest::SetUp() {
+ if (!loadFile(VALID_IMAGE, &mValidImage)) {
+ FAIL() << "Load file " << VALID_IMAGE << " failed";
+ }
+ mValidImage.width = VALID_IMAGE_WIDTH;
+ mValidImage.height = VALID_IMAGE_HEIGHT;
+ if (!loadFile(INVALID_SIZE_IMAGE, &mInvalidSizeImage)) {
+ FAIL() << "Load file " << INVALID_SIZE_IMAGE << " failed";
+ }
+ mInvalidSizeImage.width = INVALID_SIZE_IMAGE_WIDTH;
+ mInvalidSizeImage.height = INVALID_SIZE_IMAGE_HEIGHT;
+}
+
+void JpegEncoderTest::TearDown() {}
+
+TEST_F(JpegEncoderTest, validImage) {
+ JpegEncoder encoder;
+ EXPECT_TRUE(encoder.compressImage(mValidImage.buffer.get(), mValidImage.width,
+ mValidImage.height, JPEG_QUALITY, NULL, 0));
+ ASSERT_GT(encoder.getCompressedImageSize(), static_cast<uint32_t>(0));
+}
+
+TEST_F(JpegEncoderTest, invalidSizeImage) {
+ JpegEncoder encoder;
+ EXPECT_FALSE(encoder.compressImage(mInvalidSizeImage.buffer.get(), mInvalidSizeImage.width,
+ mInvalidSizeImage.height, JPEG_QUALITY, NULL, 0));
+}
+
+}
+