/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2019, Google Inc. * * libcamera V4L2 API tests */ #include <libcamera/buffer.h> #include <libcamera/camera_manager.h> #include <libcamera/event_dispatcher.h> #include <libcamera/timer.h> #include <iostream> #include "v4l2_device_test.h" class CaptureAsyncTest : public V4L2DeviceTest { public: CaptureAsyncTest() : frames(0){}; void receiveBuffer(Buffer *buffer) { std::cout << "Received buffer " << buffer->index() << std::endl; frames++; /* Requeue the buffer for further use. */ dev_->queueBuffer(buffer); } protected: int run() { const unsigned int bufferCount = 8; EventDispatcher *dispatcher = CameraManager::instance()->eventDispatcher(); Timer timeout; int ret; createBuffers(bufferCount); ret = dev_->exportBuffers(bufferCount, &pool_); if (ret) return TestFail; dev_->bufferReady.connect(this, &CaptureAsyncTest::receiveBuffer); /* Queue all the buffers to the device. */ for (Buffer &b : pool_.buffers()) { if (dev_->queueBuffer(&b)) return TestFail; } ret = dev_->streamOn(); if (ret) return TestFail; timeout.start(10000); while (timeout.isRunning()) { dispatcher->processEvents(); if (frames > 30) break; } if (frames < 1) { std::cout << "Failed to capture any frames within timeout." << std::endl; return TestFail; } if (frames < 30) { std::cout << "Failed to capture 30 frames within timeout." << std::endl; return TestFail; } std::cout << "Processed " << frames << " frames" << std::endl; ret = dev_->streamOff(); if (ret) return TestFail; return TestPass; } private: unsigned int frames; }; TEST_REGISTER(CaptureAsyncTest);