DecoderFilterManager.h

/*
 *  Copyright (C) 2013-2019 Team Kodi
 *  This file is part of Kodi - https://kodi.tv
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 *  See LICENSES/README.md for more information.
 */

#pragma once

#include "threads/CriticalSection.h"

#include <cinttypes>
#include <set>
#include <string>

class CDVDStreamInfo;

namespace tinyxml2
{
class XMLNode;
}

class CDecoderFilter
{
public:
  enum : uint32_t
  {
    FLAG_GENERAL_ALLOWED = 1, 
    FLAG_STILLS_ALLOWED = 2, 
    FLAG_DVD_ALLOWED = 4 
  };

  CDecoderFilter(const std::string& name) : m_name(name) {}

  CDecoderFilter(const std::string& name, uint32_t flags, int minHeight);

  virtual ~CDecoderFilter() = default;

  bool operator<(const CDecoderFilter& other) const { return m_name < other.m_name; }

  virtual bool isValid(const CDVDStreamInfo& streamInfo) const;

  virtual bool Load(const tinyxml2::XMLNode* node);

  virtual bool Save(tinyxml2::XMLNode* node) const;

private:
  std::string m_name;

  uint32_t m_flags = 0;
  int m_minHeight = 0;
};


class CDecoderFilterManager
{
public:
  CDecoderFilterManager() { Load(); }
  virtual ~CDecoderFilterManager() { Save(); }

  void add(const CDecoderFilter& filter);


  bool isValid(const std::string& name, const CDVDStreamInfo& streamInfo);

protected:
  bool Load();
  bool Save() const;

private:
  bool m_dirty = false;
  std::set<CDecoderFilter> m_filters;
  mutable CCriticalSection m_critical;
};