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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2022, Ideas on Board Oy.
*
* stream_colorspace.cpp - Stream colorspace adjustment test
*/
#include <iostream>
#include <libcamera/camera.h>
#include <libcamera/formats.h>
#include <libcamera/stream.h>
#include "test.h"
using namespace libcamera;
using namespace std;
class TestCameraConfiguration : public CameraConfiguration
{
public:
TestCameraConfiguration()
: CameraConfiguration()
{
}
Status validate() override
{
return validateColorSpaces();
}
};
class StreamColorSpaceTest : public Test
{
protected:
int run()
{
TestCameraConfiguration config;
StreamConfiguration cfg;
cfg.size = { 640, 320 };
cfg.pixelFormat = formats::YUV422;
cfg.colorSpace = ColorSpace::Srgb;
config.addConfiguration(cfg);
StreamConfiguration &streamCfg = config.at(0);
/*
* YUV pixelformat with sRGB colorspace should have Y'CbCr encoding
* adjusted.
*/
config.validate();
if (streamCfg.colorSpace->ycbcrEncoding == ColorSpace::YcbcrEncoding::None) {
cerr << "YUV format must have YCbCr encoding" << endl;
return TestFail;
}
/*
* For YUV pixelFormat, encoding should be picked up according
* to primaries and transfer function, if 'None' is specified.
*/
streamCfg.pixelFormat = formats::YUV422;
streamCfg.colorSpace = ColorSpace(ColorSpace::Primaries::Rec2020,
ColorSpace::TransferFunction::Rec709,
ColorSpace::YcbcrEncoding::None,
ColorSpace::Range::Limited);
config.validate();
if (streamCfg.colorSpace->ycbcrEncoding != ColorSpace::YcbcrEncoding::Rec2020) {
cerr << "Failed to adjust colorspace Y'CbCr encoding according"
<< " to primaries and transfer function" << endl;
return TestFail;
}
/* For RGB pixelFormat, Sycc colorspace should get adjusted to sRGB. */
streamCfg.pixelFormat = formats::RGB888;
streamCfg.colorSpace = ColorSpace::Sycc;
config.validate();
if (streamCfg.colorSpace != ColorSpace::Srgb) {
cerr << "RGB format's colorspace should be set to Srgb" << endl;
return TestFail;
}
/* Raw formats should always set colorspace to ColorSpace::Raw. */
streamCfg.pixelFormat = formats::SBGGR8;
streamCfg.colorSpace = ColorSpace::Rec709;
config.validate();
if (streamCfg.colorSpace != ColorSpace::Raw) {
cerr << "Raw format must always have Raw colorspace" << endl;
return TestFail;
}
return TestPass;
}
};
TEST_REGISTER(StreamColorSpaceTest)
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