/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2019, Google Inc. * * libcamera Camera API tests */ #include <iostream> #include "camera_test.h" using namespace std; namespace { class Capture : public CameraTest { protected: unsigned int completeBuffersCount_; unsigned int completeRequestsCount_; void bufferComplete(Request *request, Buffer *buffer) { if (buffer->status() != Buffer::BufferSuccess) return; completeBuffersCount_++; } void requestComplete(Request *request, const std::map<Stream *, Buffer *> &buffers) { if (request->status() != Request::RequestComplete) return; completeRequestsCount_++; /* Reuse the buffers for a new request. */ request = camera_->createRequest(); request->setBuffers(buffers); camera_->queueRequest(request); } int run() { CameraConfiguration config = camera_->streamConfiguration({ Stream::VideoRecording() }); Stream *stream = config.front(); StreamConfiguration *cfg = &config[stream]; if (!config.isValid()) { cout << "Failed to read default configuration" << endl; return TestFail; } if (camera_->acquire()) { cout << "Failed to acquire the camera" << endl; return TestFail; } if (camera_->configureStreams(config)) { cout << "Failed to set default configuration" << endl; return TestFail; } if (camera_->allocateBuffers()) { cout << "Failed to allocate buffers" << endl; return TestFail; } BufferPool &pool = stream->bufferPool(); std::vector<Request *> requests; for (Buffer &buffer : pool.buffers()) { Request *request = camera_->createRequest(); if (!request) { cout << "Failed to create request" << endl; return TestFail; } std::map<Stream *, Buffer *> map = { { stream, &buffer } }; if (request->setBuffers(map)) { cout << "Failed to associating buffer with request" << endl; return TestFail; } requests.push_back(request); } completeRequestsCount_ = 0; completeBuffersCount_ = 0; camera_->bufferCompleted.connect(this, &Capture::bufferComplete); camera_->requestCompleted.connect(this, &Capture::requestComplete); if (camera_->start()) { cout << "Failed to start camera" << endl; return TestFail; } for (Request *request : requests) { if (camera_->queueRequest(request)) { cout << "Failed to queue request" << endl; return TestFail; } } EventDispatcher *dispatcher = CameraManager::instance()->eventDispatcher(); Timer timer; timer.start(100); while (timer.isRunning()) dispatcher->processEvents(); if (completeRequestsCount_ <= cfg->bufferCount * 2) { cout << "Failed to capture enough frames (got " << completeRequestsCount_ << " expected at least " << cfg->bufferCount * 2 << ")" << endl; return TestFail; } if (completeRequestsCount_ != completeBuffersCount_) { cout << "Number of completed buffers and requests differ" << endl; return TestFail; } if (camera_->stop()) { cout << "Failed to stop camera" << endl; return TestFail; } if (camera_->freeBuffers()) { cout << "Failed to free buffers" << endl; return TestFail; } return TestPass; } }; } /* namespace */ TEST_REGISTER(Capture);