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https://github.com/libretro/beetle-psx-libretro.git
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6e14459d0a
When not using async, first try read with a timeout. If it fails, display a message suggesting a different CD access method.
69 lines
2.4 KiB
C++
69 lines
2.4 KiB
C++
/* Mednafen - Multi-system Emulator
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __MDFN_CDROM_CDROMIF_H
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#define __MDFN_CDROM_CDROMIF_H
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#include "CDUtility.h"
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#include "../Stream.h"
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#include <queue>
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typedef TOC CD_TOC;
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class CDIF
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{
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public:
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CDIF();
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virtual ~CDIF();
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inline void ReadTOC(TOC *read_target)
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{
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*read_target = disc_toc;
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}
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virtual void HintReadSector(uint32_t lba) = 0;
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virtual bool ReadRawSector(uint8_t *buf, uint32_t lba, int64_t timeout_us = -1) = 0;
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virtual bool ReadRawSectorPWOnly(uint8_t *buf, uint32_t lba, bool hint_fullread) = 0;
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// Call for mode 1 or mode 2 form 1 only.
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bool ValidateRawSector(uint8_t *buf);
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// Utility/Wrapped functions
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// Reads mode 1 and mode2 form 1 sectors(2048 bytes per sector returned)
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// Will return the type(1, 2) of the first sector read to the buffer supplied, 0 on error
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int ReadSector(uint8_t *pBuf, uint32_t lba, uint32_t nSectors);
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// Return true if operation succeeded or it was a NOP(either due to not being implemented, or the current status matches eject_status).
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// Returns false on failure(usually drive error of some kind; not completely fatal, can try again).
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virtual bool Eject(bool eject_status) = 0;
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// For Mode 1, or Mode 2 Form 1.
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// No reference counting or whatever is done, so if you destroy the CDIF object before you destroy the returned Stream, things will go BOOM.
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Stream *MakeStream(uint32_t lba, uint32_t sector_count);
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protected:
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bool UnrecoverableError;
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TOC disc_toc;
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bool DiscEjected;
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};
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CDIF *CDIF_Open(bool *success, const char *path, const bool is_device, bool image_memcache);
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#endif
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