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libaaruformat/include/aaruformat/consts.h

58 lines
2.3 KiB
C

/*
* This file is part of the Aaru Data Preservation Suite.
* Copyright (c) 2019-2025 Natalia Portillo.
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of the
* License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _MSC_VER
#pragma clang diagnostic push
#pragma ide diagnostic ignored "OCUnusedMacroInspection"
#endif
#ifndef LIBAARUFORMAT_CONSTS_H
#define LIBAARUFORMAT_CONSTS_H
/** Magic identidier = "DICMFRMT". */
#define DIC_MAGIC 0x544D52464D434944
/** Magic identidier = "AARUFRMT". */
#define AARU_MAGIC 0x544D524655524141
/** Image format version. A change in this number indicates an incompatible change to the format that prevents older
* implementations from reading it correctly, if at all. */
#define AARUF_VERSION 1
/** Maximum read cache size, 512MiB. */
#define MAX_CACHE_SIZE 536870912
/** Size in bytes of LZMA properties. */
#define LZMA_PROPERTIES_LENGTH 5
/** Maximum number of entries for the DDT cache. */
#define MAX_DDT_ENTRY_CACHE 16000000
/** How many samples are contained in a RedBook sector. */
#define SAMPLES_PER_SECTOR 588
/** Maximum number of samples for a FLAC block. Bigger than 4608 gives no benefit. */
#define MAX_FLAKE_BLOCK 4608
/** Minimum number of samples for a FLAC block. CUETools.Codecs.FLAKE does not support it to be smaller than 256. */
#define MIN_FLAKE_BLOCK 256
/** This mask is to check for flags in CompactDisc suffix/prefix DDT */
#define CD_XFIX_MASK 0xFF000000
/** This mask is to check for position in CompactDisc suffix/prefix deduplicated block */
#define CD_DFIX_MASK 0x00FFFFFF
#define CRC64_ECMA_POLY 0xC96C5795D7870F42
#define CRC64_ECMA_SEED 0xFFFFFFFFFFFFFFFF
#endif // LIBAARUFORMAT_CONSTS_H
#ifndef _MSC_VER
#pragma clang diagnostic pop
#endif