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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2019, Google Inc.
*
* libcamera V4L2 Subdevice format handling test
*/
#include <iostream>
#include <vector>
#include <libcamera/geometry.h>
#include <libcamera/base/utils.h>
#include "libcamera/internal/v4l2_subdevice.h"
#include "v4l2_subdevice_test.h"
using namespace std;
using namespace libcamera;
/* List image formats on the "Scaler" subdevice of vimc media device. */
class ListFormatsTest : public V4L2SubdeviceTest
{
protected:
int run() override;
private:
void printFormats(unsigned int pad, unsigned code,
const std::vector<SizeRange> &sizes);
};
void ListFormatsTest::printFormats(unsigned int pad,
unsigned int code,
const std::vector<SizeRange> &sizes)
{
cout << "Enumerate formats on pad " << pad << endl;
for (const SizeRange &size : sizes) {
cout << " mbus code: " << utils::hex(code, 4) << endl;
cout << " min width: " << dec << size.min.width << endl;
cout << " min height: " << dec << size.min.height << endl;
cout << " max width: " << dec << size.max.width << endl;
cout << " max height: " << dec << size.max.height << endl;
}
}
int ListFormatsTest::run()
{
/* List all formats available on existing "Scaler" pads. */
V4L2Subdevice::Formats formats;
formats = scaler_->formats(0);
if (formats.empty()) {
cerr << "Failed to list formats on pad 0 of subdevice "
<< scaler_->entity()->name() << endl;
return TestFail;
}
for (unsigned int code : utils::map_keys(formats))
printFormats(0, code, formats[code]);
formats = scaler_->formats(1);
if (formats.empty()) {
cerr << "Failed to list formats on pad 1 of subdevice "
<< scaler_->entity()->name() << endl;
return TestFail;
}
for (unsigned int code : utils::map_keys(formats))
printFormats(1, code, formats[code]);
/* List format on a non-existing pad, format vector shall be empty. */
formats = scaler_->formats(2);
if (!formats.empty()) {
cerr << "Listing formats on non-existing pad 2 of subdevice "
<< scaler_->entity()->name()
<< " should return an empty format list" << endl;
return TestFail;
}
return TestPass;
}
TEST_REGISTER(ListFormatsTest)
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