utils: checkstyle.py: Rework commit message parsing

When parsing commit messages, the Commit class tries to optimize the
process by invoking git-show once only, extracting both the commit
author, title and modified files in one go. As a result, the derived
Amendment class needs to implement the commit parsing se/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
 * Copyright (C) 2018, Google Inc.
 *
 * media_device.h - Media device handler
 */

#pragma once

#include <map>
#include <sstream>
#include <string>
#include <vector>

#include <linux/media.h>

#include <libcamera/base/log.h>
#include <libcamera/base/signal.h>

#include "libcamera/internal/media_object.h"

namespace libcamera {

class MediaDevice : protected Loggable
{
public:
	MediaDevice(const std::string &deviceNode);
	~MediaDevice();

	bool acquire();
	void release();