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test: v4l2_subdevice: Add ListFormat test

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Add test to list formats on a v4l2 subdevice.

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
This commit is contained in:
Jacopo Mondi 2019-02-25 12:42:17 +01:00
parent 0559c740f2
commit de16573bcc
2 changed files with 82 additions and 0 deletions
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81
test/v4l2_subdevice/list_formats.cpp Normal file
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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2019, Google Inc.
*
* libcamera V4L2 Subdevice format handling test
*/
#include <iomanip>
#include <iostream>
#include <vector>
#include "geometry.h"
#include "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,
std::vector<SizeRange> &formats);
};
void ListFormatsTest::printFormats(unsigned int pad,
unsigned int code,
std::vector<SizeRange> &sizes)
{
cout << "Enumerate formats on pad " << pad << endl;
for (SizeRange &size : sizes) {
cout << " mbus code: 0x" << setfill('0') << setw(4)
<< hex << code << endl;
cout << " min width: " << dec << size.minWidth << endl;
cout << " min height: " << dec << size.minHeight << endl;
cout << " max width: " << dec << size.maxWidth << endl;
cout << " max height: " << dec << size.maxHeight << endl;
}
}
int ListFormatsTest::run()
{
/* List all formats available on existing "Scaler" pads. */
std::map<unsigned int, std::vector<SizeRange>> formats;
formats = scaler_->formats(0);
if (formats.empty()) {
cerr << "Failed to list formats on pad 0 of subdevice "
<< scaler_->deviceName() << endl;
return TestFail;
}
for (auto it = formats.begin(); it != formats.end(); ++it)
printFormats(0, it->first, it->second);
formats = scaler_->formats(1);
if (formats.empty()) {
cerr << "Failed to list formats on pad 1 of subdevice "
<< scaler_->deviceName() << endl;
return TestFail;
}
for (auto it = formats.begin(); it != formats.end(); ++it)
printFormats(1, it->first, it->second);
/* 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_->deviceName()
<< " should return an empty format list" << endl;
return TestFail;
}
return TestPass;
}
TEST_REGISTER(ListFormatsTest);