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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (C) 2019, Google Inc.
 *
 * ipa_module_test.cpp - Test loading of the VIMC IPA module and verify its info
 */

#include <iostream>
#include <string.h>

#include "libcamera/internal/ipa_module.h"

#include "test.h"

using namespace std;
using namespace libcamera;

class IPAModuleTest : public Test
{
protected:
	int runTest(const string &path, const struct IPAModuleInfo &testInfo)
	{
		int ret = 0;

		IPAModule *ll = new IPAModule(path);

		if (!ll->isValid()) {
			cerr << "test IPA module " << path << " is invalid"
			     << endl;
			delete ll;
			return -1;
		}

		const struct IPAModuleInfo &info = ll->info();

		if (memcmp(&info, &testInfo, sizeof(info))) {
			cerr << "IPA module information mismatch: expected:" << endl
			     << "moduleAPIVersion = "     << testInfo.moduleAPIVersion << endl
			     << "pipelineVersion = "      << testInfo.pipelineVersion << endl
			     << "pipelineName = "         << testInfo.pipelineName << endl
			     << "name = "                 << testInfo.name
			     << "got: " << endl
			     << "moduleAPIVersion = "     << info.moduleAPIVersion << endl
			     << "pipelineVersion = "      << info.pipelineVersion << endl
			     << "pipelineName = "         << info.pipelineName << endl
			     << "name = "                 << info.name << endl;
		}

		delete ll;
		return ret;
	}

	int run() override
	{
		int count = 0;

		const struct IPAModuleInfo testInfo = {
			IPA_MODULE_API_VERSION,
			0,
			"PipelineHandlerVimc",
			"vimc",
		};

		count += runTest("src/ipa/vimc/ipa_vimc.so", testInfo);

		if (count < 0)
			return TestFail;

		return TestPass;
	}
};

TEST_REGISTER(IPAModuleTest)
class="hl kwd">index() << "]"; } void MediaDevicePrintTest::printLinkFlags(const MediaLink *link, ostream &os) { unsigned int flags = link->flags(); os << " ["; if (flags) { os << (flags & MEDIA_LNK_FL_ENABLED ? "ENABLED," : "") << (flags & MEDIA_LNK_FL_IMMUTABLE ? "IMMUTABLE" : ""); } os << "]\n"; } /* * For each entity in the media graph, printout links directed to its sinks * and source pads. */ void MediaDevicePrintTest::printMediaGraph(const MediaDevice &media, ostream &os) { os << "\n" << media.driver() << " - " << media.deviceNode() << "\n\n"; for (auto const &entity : media.entities()) { os << "\"" << entity->name() << "\"\n"; for (auto const &sink : entity->pads()) { if (!(sink->flags() & MEDIA_PAD_FL_SINK)) continue; os << " [" << sink->index() << "]" << ": Sink\n"; for (auto const &link : sink->links()) { os << "\t"; printNode(sink, os); os << " <- "; printNode(link->source(), os); printLinkFlags(link, os); } os << "\n"; } for (auto const &source : entity->pads()) { if (!(source->flags() & MEDIA_PAD_FL_SOURCE)) continue; os << " [" << source->index() << "]" << ": Source\n"; for (auto const &link : source->links()) { os << "\t"; printNode(source, os); os << " -> "; printNode(link->sink(), os); printLinkFlags(link, os); } os << "\n"; } } os.flush(); } /* Test a single media device. */ int MediaDevicePrintTest::testMediaDevice(const string deviceNode) { MediaDevice dev(deviceNode); int ret; ret = dev.populate(); if (ret) return ret; /* Print out the media graph. */ printMediaGraph(dev, cerr); return 0; } /* Run tests on all media devices. */ #define MAX_MEDIA_DEV 256 int MediaDevicePrintTest::run() { const string deviceNode("/dev/media"); unsigned int i; int ret = 77; /* skip test exit code */ /* * Run the test sequence on all media device found in the * system, if any. */ for (i = 0; i < MAX_MEDIA_DEV; i++) { string mediadev = deviceNode + to_string(i); struct stat pstat = {}; if (stat(mediadev.c_str(), &pstat)) continue; ret = testMediaDevice(mediadev); if (ret) return ret; } return ret; } TEST_REGISTER(MediaDevicePrintTest);