/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2019, Google Inc. * * libcamera V4L2 Subdevice format handling test */ #include <iostream> #include <limits.h> #include "libcamera/internal/v4l2_subdevice.h" #include "v4l2_subdevice_test.h" using namespace std; using namespace libcamera; /* Test format handling on the "Scaler" subdevice of vimc media device. */ class FormatHandlingTest : public V4L2SubdeviceTest { protected: int run() override; }; int FormatHandlingTest::run() { V4L2SubdeviceFormat format = {}; /* * Get format on a non-existing Scaler pad: expect failure. */ int ret = scaler_->getFormat(2, &format); if (!ret) { cerr << "Getting format on a non existing pad should fail" << endl; return TestFail; } ret = scaler_->getFormat(0, &format); if (ret) { cerr << "Failed to get format" << endl; return TestFail; } /* * Set unrealistic image resolutions and make sure it gets updated. */ format.size = { UINT_MAX, UINT_MAX }; ret = scaler_->setFormat(0, &format); if (ret) { cerr << "Failed to set format: image resolution is wrong, but " << "setFormat() should not fail." << endl; return TestFail; } if (format.size.width == UINT_MAX || format.size.height == UINT_MAX) { cerr << "Failed to update image format" << endl; return TestFail; } format.size = { 0, 0 }; ret = scaler_->setFormat(0, &format); if (ret) { cerr << "Failed to set format: image resolution is wrong, but " << "setFormat() should not fail." << endl; return TestFail; } if (format.size.width == 0 || format.size.height == 0) { cerr << "Failed to update image format" << endl; return TestFail; } return TestPass; } TEST_REGISTER(FormatHandlingTest);