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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2019, Google Inc.
*
* libcamera Camera API tests
*/
#include <iostream>
#include <libcamera/framebuffer_allocator.h>
#include <libcamera/base/event_dispatcher.h>
#include <libcamera/base/thread.h>
#include <libcamera/base/timer.h>
#include "camera_test.h"
#include "test.h"
using namespace libcamera;
using namespace std;
namespace {
class Capture : public CameraTest, public Test
{
public:
Capture()
: CameraTest("platform/vimc.0 Sensor B")
{
}
protected:
unsigned int completeBuffersCount_;
unsigned int completeRequestsCount_;
void bufferComplete([[maybe_unused]] 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->reuse();
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) {
cout << "Failed to generate default configuration" << endl;
return TestFail;
}
allocator_ = new FrameBufferAllocator(camera_);
return TestPass;
}
void cleanup() override
{
delete allocator_;
}
int run() override
{
StreamConfiguration &cfg = config_->at(0);
if (camera_->acquire()) {
cout << "Failed to acquire the camera" << endl;
return TestFail;
}
if (camera_->configure(config_.get())) {
cout << "Failed to set default configuration" << endl;
return TestFail;
}
Stream *stream = cfg.stream();
int ret = allocator_->allocate(stream);
if (ret < 0)
return TestFail;
for (const std::unique_ptr<FrameBuffer> &buffer : allocator_->buffers(stream)) {
std::unique_ptr<Request> request = camera_->createRequest();
if (!request) {
cout << "Failed to create request" << endl;
return TestFail;
}
if (request->addBuffer(stream, buffer.get())) {
cout << "Failed to associating buffer with request" << endl;
return TestFail;
}
requests_.push_back(std::move(request));
}
completeRequestsCount_ = 0;
completeBuffersCount_ = 0;
camera_->bufferCompleted.connect(this, &Capture::bufferComplete);
camera_->requestCompleted.connect(this, &Capture::requestComplete);
if (camera_->start()) {
cout << "Failed to start camera" << endl;
return TestFail;
}
for (std::unique_ptr<Request> &request : requests_) {
if (camera_->queueRequest(request.get())) {
cout << "Failed to queue request" << endl;
return TestFail;
}
}
EventDispatcher *dispatcher = Thread::current()->eventDispatcher();
Timer timer;
timer.start(1000);
while (timer.isRunning())
dispatcher->processEvents();
unsigned int nbuffers = allocator_->buffers(stream).size();
if (completeRequestsCount_ < nbuffers * 2) {
cout << "Failed to capture enough frames (got "
<< completeRequestsCount_ << " expected at least "
<< nbuffers * 2 << ")" << endl;
return TestFail;
}
if (completeRequestsCount_ != completeBuffersCount_) {
cout << "Number of completed buffers and requests differ" << endl;
return TestFail;
}
if (camera_->stop()) {
cout << "Failed to stop camera" << endl;
return TestFail;
}
return TestPass;
}
std::vector<std::unique_ptr<Request>> requests_;
std::unique_ptr<CameraConfiguration> config_;
FrameBufferAllocator *allocator_;
};
} /* namespace */
TEST_REGISTER(Capture)
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