libcamera/vivid.git - libcamera pipeline handler for VIVID

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/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2019, Google Inc. * * libcamera Camera API tests * * Test importing buffers exported from the VIVID output device into a Camera */ #include <algorithm> #include <iostream> #include <numeric> #include <vector> #include "libcamera/internal/device_enumerator.h" #include "libcamera/internal/event_dispatcher.h" #include "libcamera/internal/media_device.h" #include "libcamera/internal/thread.h" #include "libcamera/internal/timer.h" #include "libcamera/internal/v4l2_videodevice.h" #include "buffer_source.h" #include "camera_test.h" #include "test.h" using namespace libcamera; namespace { class BufferImportTest : public CameraTest, public Test { public: BufferImportTest() : CameraTest("platform/vimc.0 Sensor B") { } protected: 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); } int init() override { if (status_ != TestPass) return status_; config_ = camera_->generateConfiguration({ StreamRole::VideoRecording }); if (!config_ || config_->size() != 1) { std::cout << "Failed to generate default configuration" << std::endl; return TestFail; } return TestPass; } int run() override { StreamConfiguration &cfg = config_->at(0); if (camera_->acquire()) { std::cout << "Failed to acquire the camera" << std::endl; return TestFail; } if (camera_->configure(config_.get())) { std::cout << "Failed to set default configuration" << std::endl; return TestFail; } Stream *stream = cfg.stream(); BufferSource source; int ret = source.allocate(cfg); if (ret != TestPass) return ret; for (const std::unique_ptr<FrameBuffer> &buffer : source.buffers()) { std::unique_ptr<Request> request = camera_->createRequest(); if (!request) { std::cout << "Failed to create request" << std::endl; return TestFail; } if (request->addBuffer(stream, buffer.get())) { std::cout << "Failed to associating buffer with request" << std::endl; return TestFail; } requests_.push_back(std::move(request)); } completeRequestsCount_ = 0; completeBuffersCount_ = 0; camera_->bufferCompleted.connect(this, &BufferImportTest::bufferComplete); camera_->requestCompleted.connect(this, &BufferImportTest::requestComplete); if (camera_->start()) { std::cout << "Failed to start camera" << std::endl; return TestFail; } for (std::unique_ptr<Request> &request : requests_) { if (camera_->queueRequest(request.get())) { std::cout << "Failed to queue request" << std::endl; return TestFail; } } EventDispatcher *dispatcher = Thread::current()->eventDispatcher(); Timer timer; timer.start(1000); while (timer.isRunning()) dispatcher->processEvents(); if (completeRequestsCount_ <= cfg.bufferCount * 2) { std::cout << "Failed to capture enough frames (got " << completeRequestsCount_ << " expected at least " << cfg.bufferCount * 2 << ")" << std::endl; return TestFail; } if (completeRequestsCount_ != completeBuffersCount_) { std::cout << "Number of completed buffers and requests differ" << std::endl; return TestFail; } if (camera_->stop()) { std::cout << "Failed to stop camera" << std::endl; return TestFail; } return TestPass; } private: std::vector<std::unique_ptr<Request>> requests_; unsigned int completeBuffersCount_; unsigned int completeRequestsCount_; std::unique_ptr<CameraConfiguration> config_; }; } /* namespace */ TEST_REGISTER(BufferImportTest)


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