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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2020, Google Inc.
* Copyright (C) 2021, Collabora Ltd.
*
* capture_test.cpp - Test camera capture
*/
#include "capture.h"
#include <iostream>
#include <gtest/gtest.h>
#include "environment.h"
using namespace libcamera;
namespace {
const std::vector<int> NUMREQUESTS = { 1, 2, 3, 5, 8, 13, 21, 34, 55, 89 };
const std::vector<std::vector<StreamRole>> ROLES = {
{ StreamRole::Raw },
{ StreamRole::StillCapture },
{ StreamRole::VideoRecording },
{ StreamRole::Viewfinder },
};
const std::vector<std::array<StreamRole, 2>> MULTIROLES = {
{ StreamRole::Raw, StreamRole::StillCapture },
{ StreamRole::Raw, StreamRole::VideoRecording },
{ StreamRole::StillCapture, StreamRole::VideoRecording },
{ StreamRole::VideoRecording, StreamRole::VideoRecording },
};
std::map<StreamRole, std::string> rolesMap = {
{ StreamRole::Raw, "Raw" },
{ StreamRole::StillCapture, "StillCapture" },
{ StreamRole::VideoRecording, "VideoRecording" },
{ StreamRole::Viewfinder, "Viewfinder" }
};
} /* namespace */
class SingleStream : public testing::TestWithParam<std::tuple<std::vector<StreamRole>, int>>
{
public:
static std::string nameParameters(const testing::TestParamInfo<SingleStream::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 SingleStream::SetUp()
{
Environment *env = Environment::get();
camera_ = env->cm()->get(env->cameraId());
ASSERT_EQ(camera_->acquire(), 0);
}
void SingleStream::TearDown()
{
if (!camera_)
return;
camera_->release();
camera_.reset();
}
std::string SingleStream::nameParameters(const testing::TestParamInfo<SingleStream::ParamType> &info)
{
std::string roleName = rolesMap[std::get<0>(info.param)[0]];
std::string numRequestsName = std::to_string(std::get<1>(info.param));
return roleName + "_" + numRequestsName;
}
/*
* 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(SingleStream, Capture)
{
const auto [role, numRequests] = GetParam();
CaptureBalanced capture(camera_);
capture.configure(Span<const StreamRole>{ role });
capture.capture(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(SingleStream, CaptureStartStop)
{
const auto [role, numRequests] = GetParam();
unsigned int numRepeats = 3;
CaptureBalanced capture(camera_);
capture.configure(Span<const StreamRole>{ role });
for (unsigned int starts = 0; starts < numRepeats; starts++)
capture.capture(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(SingleStream, UnbalancedStop)
{
const auto [role, numRequests] = GetParam();
CaptureUnbalanced capture(camera_);
capture.configure(Span<const StreamRole>{ role });
capture.capture(numRequests);
}
INSTANTIATE_TEST_SUITE_P(CaptureTests,
SingleStream,
testing::Combine(testing::ValuesIn(ROLES),
testing::ValuesIn(NUMREQUESTS)),
SingleStream::nameParameters);
class MultiStream : public testing::TestWithParam<std::tuple<std::array<StreamRole, 2>, int>>
{
public:
static std::string nameParameters(const testing::TestParamInfo<MultiStream::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 MultiStream::SetUp()
{
Environment *env = Environment::get();
camera_ = env->cm()->get(env->cameraId());
ASSERT_EQ(camera_->acquire(), 0);
}
void MultiStream::TearDown()
{
if (!camera_)
return;
camera_->release();
camera_.reset();
}
std::string MultiStream::nameParameters(const testing::TestParamInfo<MultiStream::ParamType> &info)
{
std::string roleName = rolesMap[std::get<0>(info.param)[0]] + "_" +
rolesMap[std::get<0>(info.param)[1]];
std::string numRequestsName = std::to_string(std::get<1>(info.param));
return roleName + "_" + numRequestsName;
}
/*
* Test multi-stream 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(MultiStream, Capture)
{
const auto [roles, numRequests] = GetParam();
CaptureBalanced capture(camera_);
capture.configure(Span<const StreamRole>{ roles });
capture.capture(numRequests);
}
INSTANTIATE_TEST_SUITE_P(MultiCaptureTests,
MultiStream,
testing::Combine(testing::ValuesIn(MULTIROLES),
testing::ValuesIn(NUMREQUESTS)),
MultiStream::nameParameters);
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