Duckstation/src/util/cd_subchannel_replacement.h

38 lines
1.2 KiB
C++

// SPDX-FileCopyrightText: 2019-2022 Connor McLaughlin <stenzek@gmail.com>
// SPDX-License-Identifier: (GPL-3.0 OR CC-BY-NC-ND-4.0)
#pragma once
#include "cd_image.h"
#include "common/types.h"
#include <array>
#include <cstdio>
#include <unordered_map>
class CDSubChannelReplacement
{
public:
CDSubChannelReplacement();
~CDSubChannelReplacement();
u32 GetReplacementSectorCount() const { return static_cast<u32>(m_replacement_subq.size()); }
bool LoadFromImagePath(std::string_view image_path);
/// Adds a sector to the replacement map.
void AddReplacementSubChannelQ(u32 lba, const CDImage::SubChannelQ& subq);
/// Returns the replacement subchannel data for the specified position (in BCD).
bool GetReplacementSubChannelQ(u8 minute_bcd, u8 second_bcd, u8 frame_bcd, CDImage::SubChannelQ* subq) const;
/// Returns the replacement subchannel data for the specified sector.
bool GetReplacementSubChannelQ(u32 lba, CDImage::SubChannelQ* subq) const;
private:
using ReplacementMap = std::unordered_map<u32, CDImage::SubChannelQ>;
bool LoadSBI(const std::string& path);
bool LoadLSD(const std::string& path);
ReplacementMap m_replacement_subq;
};