libcamera/vivid.git - libcamera pipeline handler for VIVID

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author	Kieran Bingham <kieran.bingham@ideasonboard.com>	2019-01-24 17:35:21 +0000
committer	Laurent Pinchart <laurent.pinchart@ideasonboard.com>	2019-02-06 06:49:29 +0200
commit	771befc6dc0e55f4c94c949b54bba6821740aff7 (patch)
tree	262fd0125c7f69c203008b6b8539cfece210611a /test/timer.cpp
parent	93ec63b8673b786065df815ab7035891cfc3a56c (diff)

libcamera: v4l2_device: Request buffers from the device

Provide an exportBuffers() function which allocates buffers with the MMAP method, exports them using the dmabuf API and populates the given BufferPool. Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>

Diffstat (limited to 'test/timer.cpp')

0 files changed, 0 insertions, 0 deletions

/* 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/media_device.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(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 = camera_->createRequest(); 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; std::vector<Request *> requests; for (const std::unique_ptr<FrameBuffer> &buffer : source.buffers()) { 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(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 (Request *request : requests) { if (camera_->queueRequest(request)) { std::cout << "Failed to queue request" << std::endl; return TestFail; } } EventDispatcher *dispatcher = cm_->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: unsigned int completeBuffersCount_; unsigned int completeRequestsCount_; std::unique_ptr<CameraConfiguration> config_; }; } /* namespace */ TEST_REGISTER(BufferImportTest);


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