/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2019, Google Inc. * * libcamera V4L2 Subdevice format handling test */ #include <iostream> #include <vector> #include <libcamera/geometry.h> #include <libcamera/base/utils.h> #include "libcamera/internal/v4l2_subdevice.h" #include "v4l2_subdevice_test.h" using namespace std; using namespace libcamera; /* List image formats on the "Scaler" subdevice of vimc media device. */ class ListFormatsTest : public V4L2SubdeviceTest { protected: int run() override; private: void printFormats(unsigned int pad, unsigned code, const std::vector<SizeRange> &sizes); }; void ListFormatsTest::printFormats(unsigned int pad, unsigned int code, const std::vector<SizeRange> &sizes) { cout << "Enumerate formats on pad " << pad << endl; for (const SizeRange &size : sizes) { cout << " mbus code: " << utils::hex(code, 4) << endl; cout << " min width: " << dec << size.min.width << endl; cout << " min height: " << dec << size.min.height << endl; cout << " max width: " << dec << size.max.width << endl; cout << " max height: " << dec << size.max.height << endl; } } int ListFormatsTest::run() { /* List all formats available on existing "Scaler" pads. */ V4L2Subdevice::Formats formats; formats = scaler_->formats(0); if (formats.empty()) { cerr << "Failed to list formats on pad 0 of subdevice " << scaler_->entity()->name() << endl; return TestFail; } for (unsigned int code : utils::map_keys(formats)) printFormats(0, code, formats[code]); formats = scaler_->formats(1); if (formats.empty()) { cerr << "Failed to list formats on pad 1 of subdevice " << scaler_->entity()->name() << endl; return TestFail; } for (unsigned int code : utils::map_keys(formats)) printFormats(1, code, formats[code]); /* List format on a non-existing pad, format vector shall be empty. */ formats = scaler_->formats(2); if (!formats.empty()) { cerr << "Listing formats on non-existing pad 2 of subdevice " << scaler_->entity()->name() << " should return an empty format list" << endl; return TestFail; } return TestPass; } TEST_REGISTER(ListFormatsTest)