dolphin/Source/Core/DiscIO/DriveBlob.h

55 lines
1.4 KiB
C++

// Copyright 2008 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include <string>
#include "Common/CommonTypes.h"
#include "Common/IOFile.h"
#include "DiscIO/Blob.h"
#ifdef _WIN32
#include <windows.h>
#include <winioctl.h>
#endif
namespace DiscIO
{
class DriveReader : public SectorReader
{
public:
static std::unique_ptr<DriveReader> Create(const std::string& drive);
~DriveReader();
BlobType GetBlobType() const override { return BlobType::DRIVE; }
u64 GetRawSize() const override { return m_size; }
u64 GetDataSize() const override { return m_size; }
bool IsDataSizeAccurate() const override { return true; }
u64 GetBlockSize() const override { return ECC_BLOCK_SIZE; }
bool HasFastRandomAccessInBlock() const override { return false; }
std::string GetCompressionMethod() const override { return {}; }
private:
DriveReader(const std::string& drive);
bool GetBlock(u64 block_num, u8* out_ptr) override;
bool ReadMultipleAlignedBlocks(u64 block_num, u64 num_blocks, u8* out_ptr) override;
#ifdef _WIN32
HANDLE m_disc_handle = INVALID_HANDLE_VALUE;
PREVENT_MEDIA_REMOVAL m_lock_cdrom;
bool IsOK() const { return m_disc_handle != INVALID_HANDLE_VALUE; }
#else
File::IOFile m_file;
bool IsOK() const { return m_file.IsOpen() && m_file.IsGood(); }
#endif
static constexpr u64 ECC_BLOCK_SIZE = 0x8000;
u64 m_size = 0;
};
} // namespace DiscIO