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Performance tests for image encoders and decoders and code cleanup #26872 ### Pull Request Readiness Checklist See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request - [x] I agree to contribute to the project under Apache 2 License. - [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV - [x] The PR is proposed to the proper branch - [ ] There is a reference to the original bug report and related work - [ ] There is accuracy test, performance test and test data in opencv_extra repository, if applicable Patch to opencv_extra has the same branch name. - [ ] The feature is well documented and sample code can be built with the project CMake
132 lines
3.1 KiB
C++
132 lines
3.1 KiB
C++
// This file is part of OpenCV project.
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// It is subject to the license terms in the LICENSE file found in the top-level directory
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// of this distribution and at http://opencv.org/license.html
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#include "perf_precomp.hpp"
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namespace opencv_test
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{
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#ifdef HAVE_PNG
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using namespace perf;
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typedef perf::TestBaseWithParam<std::string> Decode;
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typedef perf::TestBaseWithParam<std::string> Encode;
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const string exts[] = {
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#ifdef HAVE_AVIF
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".avif",
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#endif
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".bmp",
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#ifdef HAVE_IMGCODEC_GIF
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".gif",
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#endif
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#if (defined(HAVE_JASPER) && defined(OPENCV_IMGCODECS_ENABLE_JASPER_TESTS)) \
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|| defined(HAVE_OPENJPEG)
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".jp2",
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#endif
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#ifdef HAVE_JPEG
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".jpg",
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#endif
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#ifdef HAVE_JPEGXL
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".jxl",
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#endif
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".png",
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#ifdef HAVE_IMGCODEC_PXM
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".ppm",
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#endif
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#ifdef HAVE_IMGCODEC_SUNRASTER
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".ras",
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#endif
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#ifdef HAVE_TIFF
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".tiff",
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#endif
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#ifdef HAVE_WEBP
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".webp",
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#endif
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};
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const string exts_multi[] = {
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#ifdef HAVE_AVIF
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".avif",
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#endif
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#ifdef HAVE_IMGCODEC_GIF
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".gif",
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#endif
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".png",
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#ifdef HAVE_TIFF
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".tiff",
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#endif
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#ifdef HAVE_WEBP
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".webp",
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#endif
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};
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PERF_TEST_P(Decode, bgr, testing::ValuesIn(exts))
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{
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String filename = getDataPath("perf/1920x1080.png");
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Mat src = imread(filename);
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EXPECT_FALSE(src.empty()) << "Cannot open test image perf/1920x1080.png";
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vector<uchar> buf;
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EXPECT_TRUE(imencode(GetParam(), src, buf));
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TEST_CYCLE() imdecode(buf, IMREAD_UNCHANGED);
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SANITY_CHECK_NOTHING();
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}
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PERF_TEST_P(Decode, rgb, testing::ValuesIn(exts))
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{
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String filename = getDataPath("perf/1920x1080.png");
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Mat src = imread(filename);
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EXPECT_FALSE(src.empty()) << "Cannot open test image perf/1920x1080.png";
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vector<uchar> buf;
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EXPECT_TRUE(imencode(GetParam(), src, buf));
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TEST_CYCLE() imdecode(buf, IMREAD_COLOR_RGB);
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SANITY_CHECK_NOTHING();
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}
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PERF_TEST_P(Encode, bgr, testing::ValuesIn(exts))
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{
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String filename = getDataPath("perf/1920x1080.png");
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Mat src = imread(filename);
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EXPECT_FALSE(src.empty()) << "Cannot open test image perf/1920x1080.png";
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vector<uchar> buf;
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TEST_CYCLE() imencode(GetParam(), src, buf);
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std::cout << "Encoded buffer size: " << buf.size()
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<< " bytes, Compression ratio: " << std::fixed << std::setprecision(2)
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<< (static_cast<double>(buf.size()) / (src.total() * src.channels())) * 100.0 << "%" << std::endl;
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SANITY_CHECK_NOTHING();
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}
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PERF_TEST_P(Encode, multi, testing::ValuesIn(exts_multi))
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{
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String filename = getDataPath("perf/1920x1080.png");
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vector<Mat> vec;
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EXPECT_TRUE(imreadmulti(filename, vec));
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vec.push_back(vec.back().clone());
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circle(vec.back(), Point(100, 100), 45, Scalar(0, 0, 255, 0), 2, LINE_AA);
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vector<uchar> buf;
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EXPECT_TRUE(imwrite("test" + GetParam(), vec));
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TEST_CYCLE() imencode(GetParam(), vec, buf);
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std::cout << "Encoded buffer size: " << buf.size()
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<< " bytes, Compression ratio: " << std::fixed << std::setprecision(2)
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<< (static_cast<double>(buf.size()) / (vec[0].total() * vec[0].channels())) * 100.0 << "%" << std::endl;
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SANITY_CHECK_NOTHING();
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}
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#endif // HAVE_PNG
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} // namespace
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