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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2020, Google Inc.
* Copyright (C) 2021, Collabora Ltd.
*
* Test camera capture
*/
#include "capture.h"
#include <sstream>
#include <string>
#include <tuple>
#include <vector>
#include <gtest/gtest.h>
#include "environment.h"
namespace {
using namespace libcamera;
class SimpleCapture : public testing::TestWithParam<std::tuple<std::vector<StreamRole>, int>>
{
public:
static std::string nameParameters(const testing::TestParamInfo<SimpleCapture::ParamType> &info);
protected:
void SetUp() override;
void TearDown() override;
std::shared_ptr<Camera> camera_;
};
/*
* We use gtest's SetUp() and TearDown() instead of constructor and destructor
* in order to be able to assert on them.
*/
void SimpleCapture::SetUp()
{
Environment *env = Environment::get();
camera_ = env->cm()->get(env->cameraId());
ASSERT_EQ(camera_->acquire(), 0);
}
void SimpleCapture::TearDown()
{
if (!camera_)
return;
camera_->release();
camera_.reset();
}
std::string SimpleCapture::nameParameters(const testing::TestParamInfo<SimpleCapture::ParamType> &info)
{
const auto &[roles, numRequests] = info.param;
std::ostringstream ss;
for (StreamRole r : roles)
ss << r << '_';
ss << '_' << numRequests;
return ss.str();
}
/*
* Test single capture cycles
*
* Makes sure the camera completes the exact number of requests queued. Example
* failure is a camera that completes less requests than the number of requests
* queued.
*/
TEST_P(SimpleCapture, Capture)
{
const auto &[roles, numRequests] = GetParam();
Capture capture(camera_);
capture.configure(roles);
capture.run(numRequests, numRequests);
}
/*
* Test multiple start/stop cycles
*
* Makes sure the camera supports multiple start/stop cycles. Example failure is
* a camera that does not clean up correctly in its error path but is only
* tested by single-capture applications.
*/
TEST_P(SimpleCapture, CaptureStartStop)
{
const auto &[roles, numRequests] = GetParam();
unsigned int numRepeats = 3;
Capture capture(camera_);
capture.configure(roles);
for (unsigned int starts = 0; starts < numRepeats; starts++)
capture.run(numRequests, numRequests);
}
/*
* Test unbalanced stop
*
* Makes sure the camera supports a stop with requests queued. Example failure
* is a camera that does not handle cancelation of buffers coming back from the
* video device while stopping.
*/
TEST_P(SimpleCapture, UnbalancedStop)
{
const auto &[roles, numRequests] = GetParam();
Capture capture(camera_);
capture.configure(roles);
capture.run(numRequests);
}
const int NUMREQUESTS[] = { 1, 2, 3, 5, 8, 13, 21, 34, 55, 89 };
const std::vector<StreamRole> SINGLEROLES[] = {
{ StreamRole::Raw, },
{ StreamRole::StillCapture, },
{ StreamRole::VideoRecording, },
{ StreamRole::Viewfinder, },
};
const std::vector<StreamRole> MULTIROLES[] = {
{ StreamRole::Raw, StreamRole::StillCapture },
{ StreamRole::Raw, StreamRole::VideoRecording },
{ StreamRole::StillCapture, StreamRole::VideoRecording },
{ StreamRole::VideoRecording, StreamRole::VideoRecording },
};
INSTANTIATE_TEST_SUITE_P(SingleStream,
SimpleCapture,
testing::Combine(testing::ValuesIn(SINGLEROLES),
testing::ValuesIn(NUMREQUESTS)),
SimpleCapture::nameParameters);
INSTANTIATE_TEST_SUITE_P(MultiStream,
SimpleCapture,
testing::Combine(testing::ValuesIn(MULTIROLES),
testing::ValuesIn(NUMREQUESTS)),
SimpleCapture::nameParameters);
} /* namespace */
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