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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2019, Google Inc.
*
* libcamera V4L2 API tests
*/
#include <iostream>
#include <linux/media-bus-format.h>
#include "libcamera/internal/device_enumerator.h"
#include "libcamera/internal/media_device.h"
#include "v4l2_videodevice_test.h"
using namespace std;
using namespace libcamera;
int V4L2VideoDeviceTest::init()
{
enumerator_ = DeviceEnumerator::create();
if (!enumerator_) {
cerr << "Failed to create device enumerator" << endl;
return TestFail;
}
if (enumerator_->enumerate()) {
cerr << "Failed to enumerate media devices" << endl;
return TestFail;
}
DeviceMatch dm(driver_);
dm.add(entity_);
media_ = enumerator_->search(dm);
if (!media_)
return TestSkip;
MediaEntity *entity = media_->getEntityByName(entity_);
if (!entity)
return TestSkip;
capture_ = new V4L2VideoDevice(entity);
if (!capture_)
return TestFail;
if (!media_->acquire())
return TestFail;
int ret = media_->disableLinks();
media_->release();
if (ret)
return TestFail;
if (capture_->open())
return TestFail;
V4L2DeviceFormat format = {};
if (capture_->getFormat(&format))
return TestFail;
format.size.width = 640;
format.size.height = 480;
if (driver_ == "vimc") {
sensor_ = CameraSensorFactoryBase::create(media_->getEntityByName("Sensor A"));
if (!sensor_)
return TestFail;
debayer_ = new V4L2Subdevice(media_->getEntityByName("Debayer A"));
if (debayer_->open())
return TestFail;
format.fourcc = V4L2PixelFormat(V4L2_PIX_FMT_SBGGR8);
V4L2SubdeviceFormat subformat = {};
subformat.code = MEDIA_BUS_FMT_SBGGR8_1X8;
subformat.size = format.size;
if (sensor_->setFormat(&subformat))
return TestFail;
if (debayer_->setFormat(0, &subformat))
return TestFail;
}
if (capture_->setFormat(&format))
return TestFail;
return TestPass;
}
void V4L2VideoDeviceTest::cleanup()
{
capture_->streamOff();
capture_->releaseBuffers();
capture_->close();
delete debayer_;
delete capture_;
}
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