05b0e5ed53
Add a method to retrieve the media entity associated with a subdevice. The entityName() and deviceNode() methods are not needed anymore as they can be accessed through the media entity, remove them. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
82 lines
1.8 KiB
C++
82 lines
1.8 KiB
C++
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (C) 2019, Google Inc.
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*
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* v4l2_subdevice_test.cpp - VIMC-based V4L2 subdevice test
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*/
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#include <iostream>
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#include <string.h>
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#include <sys/stat.h>
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#include "device_enumerator.h"
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#include "media_device.h"
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#include "v4l2_subdevice.h"
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#include "v4l2_subdevice_test.h"
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using namespace std;
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using namespace libcamera;
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/*
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* This test runs on vimc media device. For a description of vimc, in the
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* context of libcamera testing, please refer to
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* 'test/media_device/media_device_link_test.cpp' file.
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*
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* If the vimc module is not loaded, the test gets skipped.
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*/
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int V4L2SubdeviceTest::init()
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{
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enumerator_ = DeviceEnumerator::create();
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if (!enumerator_) {
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cerr << "Failed to create device enumerator" << endl;
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return TestFail;
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}
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if (enumerator_->enumerate()) {
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cerr << "Failed to enumerate media devices" << endl;
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return TestFail;
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}
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DeviceMatch dm("vimc");
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media_ = std::move(enumerator_->search(dm));
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if (!media_) {
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cerr << "Unable to find \'vimc\' media device node" << endl;
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return TestSkip;
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}
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media_->acquire();
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int ret = media_->open();
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if (ret) {
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cerr << "Unable to open media device: " << media_->deviceNode()
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<< ": " << strerror(ret) << endl;
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media_->release();
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return TestSkip;
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}
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MediaEntity *videoEntity = media_->getEntityByName("Scaler");
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if (!videoEntity) {
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cerr << "Unable to find media entity 'Scaler'" << endl;
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media_->release();
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return TestFail;
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}
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scaler_ = new V4L2Subdevice(videoEntity);
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ret = scaler_->open();
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if (ret) {
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cerr << "Unable to open video subdevice "
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<< scaler_->entity()->deviceNode() << endl;
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media_->release();
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return TestSkip;
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}
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return 0;
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}
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void V4L2SubdeviceTest::cleanup()
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{
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media_->release();
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delete scaler_;
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}
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