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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 <random>
#include <vector>
#include "device_enumerator.h"
#include "media_device.h"
#include "v4l2_videodevice.h"
#include "camera_test.h"
#include "test.h"
using namespace libcamera;
namespace {
/* A provider of external buffers, suitable for import by a Camera. */
class BufferSource
{
public:
BufferSource()
: video_(nullptr)
{
}
~BufferSource()
{
if (video_) {
video_->releaseBuffers();
video_->close();
}
delete video_;
video_ = nullptr;
if (media_)
media_->release();
}
int allocate(const StreamConfiguration &config)
{
/* Locate and open the video device. */
std::string videoDeviceName = "vivid-000-vid-out";
std::unique_ptr<DeviceEnumerator> enumerator =
DeviceEnumerator::create();
if (!enumerator) {
std::cout << "Failed to create device enumerator" << std::endl;
return TestFail;
}
if (enumerator->enumerate()) {
std::cout << "Failed to enumerate media devices" << std::endl;
return TestFail;
}
DeviceMatch dm("vivid");
dm.add(videoDeviceName);
media_ = enumerator->search(dm);
if (!media_) {
std::cout << "No vivid output device available" << std::endl;
return TestSkip;
}
video_ = V4L2VideoDevice::fromEntityName(media_.get(), videoDeviceName);
if (!video_) {
std::cout << "Unable to open " << videoDeviceName << std::endl;
return TestFail;
}
if (video_->open())
return TestFail;
/* Configure the format. */
V4L2DeviceFormat format;
if (video_->getFormat(&format)) {
std::cout << "Failed to get format on output device" << std::endl;
return TestFail;
}
format.size = config.size;
format.fourcc = V4L2VideoDevice::toV4L2Fourcc(config.pixelFormat, false);
if (video_->setFormat(&format)) {
std::cout << "Failed to set format on output device" << std::endl;
return TestFail;
}
if (video_->exportBuffers(config.bufferCount, &buffers_) < 0) {
std::cout << "Failed to export buffers" << std::endl;
return TestFail;
}
return TestPass;
}
const std::vector<std::unique_ptr<FrameBuffer>> &buffers()
{
return buffers_;
}
private:
std::shared_ptr<MediaDevice> media_;
V4L2VideoDevice *video_;
std::vector<std::unique_ptr<FrameBuffer>> buffers_;
};
class BufferImportTest : public CameraTest, public Test
{
public:
BufferImportTest()
: CameraTest("VIMC Sensor B")
{
}
protected:
void bufferComplete(Request *request, FrameBuffer *buffer)
{
if (buffer->metadata().status != FrameMetadata::FrameSuccess)
return;
completeBuffersCount_++;
}
void requestComplete(Request *request)
{
