Duckstation/src/common/cd_subchannel_replacement.h

35 lines
922 B
C++

#pragma once
#include "cd_image.h"
#include "types.h"
#include <array>
#include <cstdio>
#include <unordered_map>
class CDSubChannelReplacement
{
public:
enum : u32
{
SUBCHANNEL_Q_SIZE = 12,
};
CDSubChannelReplacement();
~CDSubChannelReplacement();
u32 GetReplacementSectorCount() const { return static_cast<u32>(m_replacement_subq.size()); }
bool LoadSBI(const char* path);
/// Returns the replacement subchannel data for the specified position (in BCD).
bool GetReplacementSubChannelQ(u8 minute_bcd, u8 second_bcd, u8 frame_bcd, u8* subq_data) const;
/// Returns the replacement subchannel data for the specified sector.
bool GetReplacementSubChannelQ(u32 lba, u8* subq_data) const;
private:
using ReplacementData = std::array<u8, SUBCHANNEL_Q_SIZE>;
using ReplacementMap = std::unordered_map<u32, ReplacementData>;
std::unordered_map<u32, ReplacementData> m_replacement_subq;
};