/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2019, Google Inc. * * libcamera Camera API tests */ #include <iostream> #include <libcamera/framebuffer_allocator.h> #include <libcamera/base/event_dispatcher.h> #include <libcamera/base/thread.h> #include <libcamera/base/timer.h> #include "camera_test.h" #include "test.h" using namespace libcamera; using namespace std; using namespace std::chrono_literals; namespace { class Capture : public CameraTest, public Test { public: Capture() : CameraTest("platform/vimc.0 Sensor B") { } protected: unsigned int completeBuffersCount_; unsigned int completeRequestsCount_; void bufferComplete([[maybe_unused]] Request *request, FrameBuffer *buffer) { if (buffer->metadata().status != FrameMetadata::FrameSuccess) return; completeBuffersCount_++; } void requestComplete(Request *request) { if (request->status() != Request::RequestComplete) return; const Request::BufferMap &buffers = request->buffers(); completeRequestsCount_++; /* Create a new request. */ const Stream *stream = buffers.begin()->first; FrameBuffer *buffer = buffers.begin()->second; request->reuse(); request->addBuffer(stream, buffer); camera_->queueRequest(request); dispatcher_->interrupt(); } int init() override { if (status_ != TestPass) return status_; config_ = camera_->generateConfiguration({ StreamRole::VideoRecording }); if (!config_ || config_->size() != 1) { cout << "Failed to generate default configuration" << endl; return TestFail; } allocator_ = new FrameBufferAllocator(camera_); dispatcher_ = Thread::current()->eventDispatcher(); return TestPass; } void cleanup() override { delete allocator_; } int run() override { StreamConfiguration &cfg = config_->at(0); if (camera_->acquire()) { cout << "Failed to acquire the camera" << endl; return TestFail; } if (camera_->configure(config_.get())) { cout << "Failed to set default configuration" << endl; return TestFail; } Stream *stream = cfg.stream(); int ret = allocator_->allocate(stream); if (ret < 0) return TestFail; for (const std::unique_ptr<FrameBuffer> &buffer : allocator_->buffers(stream)) { std::unique_ptr<Request> request = camera_->createRequest(); if (!request) { cout << "Failed to create request" << endl; return TestFail; } if (request->addBuffer(stream, buffer.get())) { cout << "Failed to associate buffer with request" << endl; return TestFail; } requests_.push_back(std::move(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 (std::unique_ptr<Request> &request : requests_) { if (camera_->queueRequest(request.get())) { cout << "Failed to queue request" << endl; return TestFail; } } unsigned int nFrames = allocator_->buffers(stream).size() * 2; Timer timer; timer.start(500ms * nFrames); while (timer.isRunning()) { dispatcher_->processEvents(); if (completeRequestsCount_ > nFrames) break; } if (completeRequestsCount_ < nFrames) { cout << "Failed to capture enough frames (got " << completeRequestsCount_ << " expected at least " << nFrames * 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; } return TestPass; } EventDispatcher *dispatcher_; std::vector<std::unique_ptr<Request>> requests_; std::unique_ptr<CameraConfiguration> config_; FrameBufferAllocator *allocator_; }; } /* namespace */ TEST_REGISTER(Capture)