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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/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. */
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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