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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2020, Google Inc.
*
* single_stream.cpp - Test a single camera stream
*/
#include <iostream>
#include "simple_capture.h"
#include "tests.h"
using namespace libcamera;
Results::Result testRequestBalance(std::shared_ptr<Camera> camera,
StreamRole role, unsigned int startCycles,
unsigned int numRequests)
{
SimpleCaptureBalanced capture(camera);
Results::Result ret = capture.configure(role);
if (ret.first != Results::Pass)
return ret;
for (unsigned int starts = 0; starts < startCycles; starts++) {
ret = capture.capture(numRequests);
if (ret.first != Results::Pass)
return ret;
}
return { Results::Pass, "Balanced capture of " +
std::to_string(numRequests) + " requests with " +
std::to_string(startCycles) + " start cycles" };
}
Results testSingleStream(std::shared_ptr<Camera> camera)
{
static const std::vector<std::pair<std::string, StreamRole>> roles = {
{ "raw", Raw },
{ "still", StillCapture },
{ "video", VideoRecording },
{ "viewfinder", Viewfinder },
};
static const std::vector<unsigned int> numRequests = { 1, 2, 3, 5, 8, 13, 21, 34, 55, 89 };
Results results(numRequests.size() * roles.size() * 2);
for (const auto &role : roles) {
std::cout << "= Test role " << role.first << std::endl;
/*
* Test single capture cycles
*
* Makes sure the camera completes the exact number of requests queued.
* Example failure is a camera that needs N+M requests queued to
* complete N requests to the application.
*/
std::cout << "* Test single capture cycles" << std::endl;
for (unsigned int num : numRequests)
results.add(testRequestBalance(camera, role.second, 1, num));
/*
* 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.
*/
std::cout << "* Test multiple start/stop cycles" << std::endl;
for (unsigned int num : numRequests)
results.add(testRequestBalance(camera, role.second, 3, num));
}
return results;
}
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