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93 lines
4.3 KiB
C#
93 lines
4.3 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 : Disk image plugins.
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Contains helpers for cdrdao cuesheets (toc/bin).
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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.Enums;
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using Aaru.CommonTypes.Structs;
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namespace Aaru.Images;
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public sealed partial class Cdrdao
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{
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static ushort CdrdaoTrackTypeToCookedBytesPerSector(string trackType)
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{
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return trackType switch
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{
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CDRDAO_TRACK_TYPE_MODE1 or CDRDAO_TRACK_TYPE_MODE2_FORM1 or CDRDAO_TRACK_TYPE_MODE1_RAW => 2048,
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CDRDAO_TRACK_TYPE_MODE2_FORM2 => 2324,
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CDRDAO_TRACK_TYPE_MODE2 or CDRDAO_TRACK_TYPE_MODE2_MIX or CDRDAO_TRACK_TYPE_MODE2_RAW => 2336,
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CDRDAO_TRACK_TYPE_AUDIO => 2352,
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_ => 0
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};
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}
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static TrackType CdrdaoTrackTypeToTrackType(string trackType)
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{
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return trackType switch
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{
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CDRDAO_TRACK_TYPE_MODE1 or CDRDAO_TRACK_TYPE_MODE1_RAW => TrackType.CdMode1,
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CDRDAO_TRACK_TYPE_MODE2_FORM1 => TrackType.CdMode2Form1,
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CDRDAO_TRACK_TYPE_MODE2_FORM2 => TrackType.CdMode2Form2,
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CDRDAO_TRACK_TYPE_MODE2 or CDRDAO_TRACK_TYPE_MODE2_MIX or CDRDAO_TRACK_TYPE_MODE2_RAW => TrackType
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.CdMode2Formless,
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CDRDAO_TRACK_TYPE_AUDIO => TrackType.Audio,
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_ => TrackType.Data
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};
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}
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static (byte minute, byte second, byte frame) LbaToMsf(ulong sector) =>
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((byte)(sector / 75 / 60), (byte)(sector / 75 % 60), (byte)(sector % 75));
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static string GetTrackMode(Track track)
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{
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switch(track.Type)
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{
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case TrackType.Audio when track.RawBytesPerSector == 2352:
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return CDRDAO_TRACK_TYPE_AUDIO;
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case TrackType.Data:
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return CDRDAO_TRACK_TYPE_MODE1;
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case TrackType.CdMode1 when track.RawBytesPerSector == 2352:
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return CDRDAO_TRACK_TYPE_MODE1_RAW;
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case TrackType.CdMode2Formless when track.RawBytesPerSector != 2352:
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return CDRDAO_TRACK_TYPE_MODE2;
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case TrackType.CdMode2Form1 when track.RawBytesPerSector != 2352:
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return CDRDAO_TRACK_TYPE_MODE2_FORM1;
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case TrackType.CdMode2Form2 when track.RawBytesPerSector != 2352:
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return CDRDAO_TRACK_TYPE_MODE2_FORM2;
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case TrackType.CdMode2Formless when track.RawBytesPerSector == 2352:
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case TrackType.CdMode2Form1 when track.RawBytesPerSector == 2352:
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case TrackType.CdMode2Form2 when track.RawBytesPerSector == 2352:
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return CDRDAO_TRACK_TYPE_MODE2_RAW;
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default:
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return CDRDAO_TRACK_TYPE_MODE1;
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}
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}
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} |