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67 lines
2.9 KiB
C
67 lines
2.9 KiB
C
// /***************************************************************************
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// Aaru Data Preservation Suite
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// ----------------------------------------------------------------------------
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//
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// Filename : consts.h
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : libaaruformat.
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Contains constants for Aaru format disk images.
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//
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// --[ License ] --------------------------------------------------------------
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//
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// This library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; either version 2.1 of the
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// License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, see <http://www.gnu.org/licenses/>.
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//
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// ----------------------------------------------------------------------------
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// Copyright © 2011-2022 Natalia Portillo
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// ****************************************************************************/
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#pragma clang diagnostic push
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#pragma ide diagnostic ignored "OCUnusedMacroInspection"
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#ifndef LIBAARUFORMAT_CONSTS_H
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#define LIBAARUFORMAT_CONSTS_H
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/** Magic identidier = "DICMFRMT". */
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#define DIC_MAGIC 0x544D52464D434944
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/** Magic identidier = "AARUFRMT". */
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#define AARU_MAGIC 0x544D524655524141
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/** Image format version. A change in this number indicates an incompatible change to the format that prevents older
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* implementations from reading it correctly, if at all. */
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#define AARUF_VERSION 1
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/** Maximum read cache size, 256MiB. */
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#define MAX_CACHE_SIZE 256 * 1024 * 1024
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/** Size in bytes of LZMA properties. */
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#define LZMA_PROPERTIES_LENGTH 5
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/** Maximum number of entries for the DDT cache. */
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#define MAX_DDT_ENTRY_CACHE 16000000
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/** How many samples are contained in a RedBook sector. */
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#define SAMPLES_PER_SECTOR 588
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/** Maximum number of samples for a FLAC block. Bigger than 4608 gives no benefit. */
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#define MAX_FLAKE_BLOCK 4608
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/** Minimum number of samples for a FLAC block. CUETools.Codecs.FLAKE does not support it to be smaller than 256. */
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#define MIN_FLAKE_BLOCK 256
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/** This mask is to check for flags in CompactDisc suffix/prefix DDT */
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#define CD_XFIX_MASK 0xFF000000
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/** This mask is to check for position in CompactDisc suffix/prefix deduplicated block */
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#define CD_DFIX_MASK 0x00FFFFFF
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#define CRC64_ECMA_POLY 0xC96C5795D7870F42
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#define CRC64_ECMA_SEED 0xFFFFFFFFFFFFFFFF
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#endif // LIBAARUFORMAT_CONSTS_H
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#pragma clang diagnostic pop |