/* SPDX-License-Identifier: LGPL-2.1-or-later */ /* * Copyright (C) 2021, Google Inc. * * post_processor_yuv.cpp - Post Processor using libyuv */ #include "post_processor_yuv.h" #include #include #include #include #include #include "libcamera/internal/formats.h" #include "libcamera/internal/mapped_framebuffer.h" using namespace libcamera; LOG_DEFINE_CATEGORY(YUV) int PostProcessorYuv::configure(const StreamConfiguration &inCfg, const StreamConfiguration &outCfg) { if (inCfg.pixelFormat != outCfg.pixelFormat) { LOG(YUV, Error) << "Pixel format conversion is not supported" << " (from " << inCfg.pixelFormat.toString() << " to " << outCfg.pixelFormat.toString() << ")"; return -EINVAL; } if (inCfg.size < outCfg.size) { LOG(YUV, Error) << "Up-scaling is not supported" << " (from " << inCfg.size.toString() << " to " << outCfg.size.toString() << ")"; return -EINVAL; } if (inCfg.pixelFormat != formats::NV12) { LOG(YUV, Error) << "Unsupported format " << inCfg.pixelFormat << " (only NV12 is supported)"; return -EINVAL; } calculateLengths(inCfg, outCfg); return 0; } void PostProcessorYuv::process(Camera3RequestDescriptor::StreamBuffer *streamBuffer) { const FrameBuffer &source = *streamBuffer->srcBuffer; CameraBuffer *destination = streamBuffer->dstBuffer.get(); if (!isValidBuffers(source, *destination)) { processComplete.emit(streamBuffer, PostProcessor::Status::Error); return; } const MappedFrameBuffer sourceMapped(&source, MappedFrameBuffer::MapFlag::Read); if (!sourceMapped.isValid()) { LOG(YUV, Error) << "Failed to mmap camera frame buffer"; processComplete.emit(streamBuffer, PostProcessor::Status::Error); return; } int ret = libyuv::NV12Scale(sourceMapped.planes()[0].data(), sourceStride_[0], sourceMapped.planes()[1].data(), sourceStride_[1], sourceSize_.width, sourceSize_.height, destination->plane(0).data(), destinationStride_[0], destination->plane(1).data(), destinationStride_[1], destinationSize_.width, destinationSize_.height, libyuv::FilterMode::kFilterBilinear); if (ret) { LOG(YUV, Error) << "Failed NV12 scaling: " << ret; processComplete.emit(streamBuffer, PostProcessor::Status::Error); return; } processComplete.emit(streamBuffer, PostProcessor::Status::Success); } bool PostProcessorYuv::isValidBuffers(const FrameBuffer &source, const CameraBuffer &destination) const { if (source.planes().size() != 2) { LOG(YUV, Error) << "Invalid number of source planes: " << source.planes().size(); return false; } if (destination.numPlanes() != 2) { LOG(YUV, Error) << "Invalid number of destination planes: " << destination.numPlanes(); return false; } if (source.planes()[0].length < sourceLength_[0] || source.planes()[1].length < sourceLength_[1]) { LOG(YUV, Error) << "The source planes lengths are too small, actual size: {" << source.planes()[0].length << ", " << source.planes()[1].length << "}, expected size: {" << sourceLength_[0] << ", " << sourceLength_[1] << "}"; return false; } if (destination.plane(0).size() < destinationLength_[0] || destination.plane(1).size() < destinationLength_[1]) { LOG(YUV, Error) << "The destination planes lengths are too small, actual size: {" << destination.plane(0).size() << ", " << destination.plane(1).size() << "}, expected size: {" << sourceLength_[0] << ", " << sourceLength_[1] << "}"; return false; } return true; } void PostProcessorYuv::calculateLengths(const StreamConfiguration &inCfg, const StreamConfiguration &outCfg) { sourceSize_ = inCfg.size; destinationSize_ = outCfg.size; const PixelFormatInfo &nv12Info = PixelFormatInfo::info(formats::NV12); for (unsigned int i = 0; i < 2; i++) { sourceStride_[i] = inCfg.stride; destinationStride_[i] = nv12Info.stride(destinationSize_.width, i, 1); sourceLength_[i] = nv12Info.planeSize(sourceSize_.height, i, sourceStride_[i]); destinationLength_[i] = nv12Info.planeSize(destinationSize_.height, i, destinationStride_[i]); } } 5a8c932bc0ff576ee'>test/file.cpp
blob: b80667ae5b2f4db448f1d52f1b557052b236ed8f (plain) 
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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (C) 2020, Google Inc.
 *
 * file.cpp - File I/O operations tests
 */

#include <fstream>
#include <iostream>
#include <stdlib.h>
#include <string>
#include <string.h>
#include <sys/types.h>
#include <unistd.h>

#include "libcamera/internal/file.h"

#include "test.h"

using namespace std;
using namespace libcamera;

class FileTest : public Test
{
protected:
	int init()
	{
		fileName_ = "/tmp/libcamera.test.XXXXXX";
		int fd = mkstemp(&fileName_.front());
		if (fd == -1)
			return TestFail;

		close(fd);
		unlink(fileName_.c_str());

		return TestPass;
	}

	int run()
	{
		/* Test static functions. */
		if (!File::exists("/dev/null")) {
			cerr << "Valid file not found" << endl;
			return TestFail;
		}

		if (File::exists("/dev/null/invalid")) {
			cerr << "Invalid file should not exist" << endl;
			return TestFail;
		}

		if (File::exists("/dev")) {
			cerr << "Directories should not be treated as files" << endl;
			return TestFail;
		}

		/* Test unnamed file. */
		File file;

		if (!file.fileName().empty()) {
			cerr << "Unnamed file has non-empty file name" << endl;
			return TestFail;
		}

		if (file.exists()) {
			cerr << "Unnamed file exists" << endl;
			return TestFail;
		}

		if (file.isOpen()) {
			cerr << "File is open after construction" << endl;
			return TestFail;
		}

		if (file.openMode() != File::NotOpen) {
			cerr << "File has invalid open mode after construction"
			     << endl;
			return TestFail;
		}

		if (file.size() >= 0) {
			cerr << "Unnamed file has a size" << endl;
			return TestFail;
		}

		if (file.open(File::ReadWrite)) {
			cerr << "Opening unnamed file succeeded" << endl;
			return TestFail;
		}

		if (file.error() == 0) {
			cerr << "Open failure didn't set error" << endl;
			return TestFail;
		}

		/* Test named file referring to an invalid file. */
		file.setFileName("/dev/null/invalid");

		if (file.fileName() != "/dev/null/invalid") {
			cerr << "File reports incorrect file name" << endl;
			return TestFail;
		}

		if (file.exists()) {
			cerr << "Invalid file exists" << endl;
			return TestFail;
		}

		if (file.isOpen()) {
			cerr << "Invalid file is open after construction" << endl;
			return TestFail;
		}

		if (file.openMode() != File::NotOpen) {
			cerr << "Invalid file has invalid open mode after construction"
			     << endl;
			return TestFail;
		}

		if (file.size() >= 0) {
			cerr << "Invalid file has a size" << endl;
			return TestFail;
		}

		if (file.open(File::ReadWrite)) {
			cerr << "Opening invalid file succeeded" << endl;
			return TestFail;
		}

		/* Test named file referring to a valid file. */
		file.setFileName("/dev/null");

		if (!file.exists()) {
			cerr << "Valid file does not exist" << endl;
			return TestFail;
		}

		if (file.isOpen()) {
			cerr << "Valid file is open after construction" << endl;
			return TestFail;
		}

		if (file.openMode() != File::NotOpen) {
			cerr << "Valid file has invalid open mode after construction"
			     << endl;
			return TestFail;
		}

		if (file.size() >= 0) {
			cerr << "Invalid file has a size" << endl;
			return TestFail;
		}

		/* Test open and close. */
		if (!file.open(File::ReadWrite)) {
			cerr << "Opening file failed" << endl;
			return TestFail;
		}

		if (!file.isOpen()) {
			cerr << "Open file reported as closed" << endl;
			return TestFail;
		}

		if (file.openMode() != File::ReadWrite) {
			cerr << "Open file has invalid open mode" << endl;
			return TestFail;
		}

		file.close();

		if (file.isOpen()) {
			cerr << "Closed file reported as open" << endl;
			return TestFail;
		}

		if (file.openMode() != File::NotOpen) {
			cerr << "Closed file has invalid open mode" << endl;
			return TestFail;
		}

		/* Test size(). */
		file.setFileName("/proc/self/exe");

		if (file.size() >= 0) {
			cerr << "File has valid size before open" << endl;
			return TestFail;
		}

		file.open(File::ReadOnly);

		ssize_t size = file.size();
		if (size <= 0) {
			cerr << "File has invalid size after open" << endl;
			return TestFail;
		}

		file.close();

		/* Test file creation. */
		file.setFileName(fileName_);

		if (file.exists()) {
			cerr << "Temporary file already exists" << endl;
			return TestFail;
		}

		if (file.open(File::ReadOnly)) {
			cerr << "Read-only open succeeded on nonexistent file" << endl;
			return TestFail;
		}

		if (!file.open(File::WriteOnly)) {
			cerr << "Write-only open failed on nonexistent file" << endl;
			return TestFail;
		}

		if (!file.exists()) {
			cerr << "Write-only open failed to create file" << endl;
			return TestFail;
		}

		file.close();

		/* Test read and write. */
		std::array<uint8_t, 256> buffer = { 0 };

		strncpy(reinterpret_cast<char *>(buffer.data()), "libcamera",
			buffer.size());

		if (file.read(buffer) >= 0) {
			cerr << "Read succeeded on closed file" << endl;
			return TestFail;
		}

		if (file.write(buffer) >= 0) {
			cerr << "Write succeeded on closed file" << endl;
			return TestFail;
		}

		file.open(File::ReadOnly);

		if (file.write(buffer) >= 0) {
			cerr << "Write succeeded on read-only file" << endl;
			return TestFail;
		}

		file.close();

		file.open(File::ReadWrite);

		if (file.write({ buffer.data(), 9 }) != 9) {
			cerr << "Write test failed" << endl;
			return TestFail;
		}

		if (file.read(buffer) != 0) {
			cerr << "Read at end of file test failed" << endl;
			return TestFail;
		}

		if (file.seek(0) != 0) {
			cerr << "Seek test failed" << endl;
			return TestFail;
		}

		if (file.read(buffer) != 9) {
			cerr << "Read test failed" << endl;
			return TestFail;
		}

		if (file.pos() != 9) {
			cerr << "Position test failed" << endl;
			return TestFail;
		}

		file.close();

		/* Test mapping and unmapping. */
		file.setFileName("/proc/self/exe");
		file.open(File::ReadOnly);

		Span<uint8_t> data = file.map();
		if (data.empty()) {
			cerr << "Mapping of complete file failed" << endl;
			return TestFail;
		}