mirror of
https://github.com/aaru-dps/Aaru.git
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139 lines
6.8 KiB
C#
139 lines
6.8 KiB
C#
// /***************************************************************************
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// Aaru Data Preservation Suite
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// ----------------------------------------------------------------------------
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//
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// Filename : Helpers.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : Disc image plugins.
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Contains helpers for Alcohol 120% disc 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 © 2011-2025 Natalia Portillo
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// ****************************************************************************/
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using Aaru.CommonTypes;
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using Aaru.CommonTypes.Enums;
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namespace Aaru.Images;
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public sealed partial class Alcohol120
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{
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static ushort TrackModeToCookedBytesPerSector(TrackMode trackMode)
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{
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return trackMode switch
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{
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TrackMode.Mode1 or TrackMode.Mode1Alt or TrackMode.Mode2F1 or TrackMode.Mode2F1Alt => 2048,
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TrackMode.Mode2F2 or TrackMode.Mode2F2Alt => 2324,
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TrackMode.Mode2 => 2336,
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TrackMode.Audio or TrackMode.AudioAlt => 2352,
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TrackMode.DVD => 2048,
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_ => 0
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};
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}
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static TrackType TrackModeToTrackType(TrackMode trackType)
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{
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return trackType switch
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{
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TrackMode.Mode1 or TrackMode.Mode1Alt => TrackType.CdMode1,
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TrackMode.Mode2F1 or TrackMode.Mode2F1Alt => TrackType.CdMode2Form1,
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TrackMode.Mode2F2 or TrackMode.Mode2F2Alt => TrackType.CdMode2Form2,
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TrackMode.Mode2 => TrackType.CdMode2Formless,
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TrackMode.Audio or TrackMode.AudioAlt => TrackType.Audio,
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_ => TrackType.Data
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};
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}
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static MediaType MediumTypeToMediaType(MediumType discType) => discType switch
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{
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MediumType.CD => MediaType.CD,
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MediumType.CDR => MediaType.CDR,
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MediumType.CDRW => MediaType.CDRW,
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MediumType.DVD => MediaType.DVDROM,
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MediumType.DVDR => MediaType.DVDR,
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_ => MediaType.Unknown
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};
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static MediumType MediaTypeToMediumType(MediaType type)
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{
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return type switch
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{
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MediaType.CD
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or MediaType.CDDA
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or MediaType.CDEG
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or MediaType.CDG
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or MediaType.CDI
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or MediaType.CDMIDI
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or MediaType.CDPLUS
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or MediaType.CDROM
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or MediaType.CDROMXA
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or MediaType.CDV
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or MediaType.DTSCD
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or MediaType.JaguarCD
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or MediaType.MEGACD
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or MediaType.PS1CD
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or MediaType.PS2CD
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or MediaType.SuperCDROM2
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or MediaType.SVCD
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or MediaType.SATURNCD
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or MediaType.ThreeDO
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or MediaType.VCD
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or MediaType.VCDHD
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or MediaType.NeoGeoCD
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or MediaType.PCFX
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or MediaType.CDTV
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or MediaType.CD32
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or MediaType.Nuon
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or MediaType.Playdia
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or MediaType.Pippin
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or MediaType.FMTOWNS
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or MediaType.MilCD
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or MediaType.VideoNow
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or MediaType.VideoNowColor
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or MediaType.VideoNowXp
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or MediaType.CVD => MediumType.CD,
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MediaType.CDR => MediumType.CDR,
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MediaType.CDRW or MediaType.CDMRW => MediumType.CDRW,
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MediaType.DVDR
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or MediaType.DVDRW
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or MediaType.DVDPR
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or MediaType.DVDRDL
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or MediaType.DVDRWDL
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or MediaType.DVDPRDL
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or MediaType.DVDPRWDL => MediumType.DVDR,
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_ => MediumType.DVD
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};
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}
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static TrackMode TrackTypeToTrackMode(TrackType type) => type switch
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{
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TrackType.Audio => TrackMode.Audio,
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TrackType.CdMode1 => TrackMode.Mode1,
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TrackType.CdMode2Formless => TrackMode.Mode2,
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TrackType.CdMode2Form1 => TrackMode.Mode2F1,
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TrackType.CdMode2Form2 => TrackMode.Mode2F2,
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_ => TrackMode.DVD
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};
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static (byte minute, byte second, byte frame) LbaToMsf(ulong sector) =>
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((byte)((sector + 150) / 75 / 60), (byte)((sector + 150) / 75 % 60), (byte)((sector + 150) % 75));
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} |