mirror of
https://github.com/aaru-dps/Aaru.git
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786 lines
26 KiB
C#
786 lines
26 KiB
C#
// /***************************************************************************
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// Aaru Data Preservation Suite
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// ----------------------------------------------------------------------------
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//
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// Filename : Write.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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// Writes 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 © 2011-2020 Natalia Portillo
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// ****************************************************************************/
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text;
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using Aaru.CommonTypes;
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using Aaru.CommonTypes.Enums;
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using Aaru.CommonTypes.Structs;
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using Schemas;
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using TrackType = Aaru.CommonTypes.Enums.TrackType;
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namespace Aaru.DiscImages
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{
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public partial class Cdrdao
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{
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public bool Create(string path, MediaType mediaType, Dictionary<string, string> options, ulong sectors,
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uint sectorSize)
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{
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if(options != null)
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{
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if(options.TryGetValue("separate", out string tmpValue))
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{
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if(!bool.TryParse(tmpValue, out separateTracksWriting))
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{
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ErrorMessage = "Invalid value for split option";
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return false;
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}
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if(separateTracksWriting)
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{
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ErrorMessage = "Separate tracksnot yet implemented";
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return false;
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}
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}
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}
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else
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separateTracksWriting = false;
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if(!SupportedMediaTypes.Contains(mediaType))
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{
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ErrorMessage = $"Unsupport media format {mediaType}";
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return false;
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}
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imageInfo = new ImageInfo
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{
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MediaType = mediaType, SectorSize = sectorSize, Sectors = sectors
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};
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// TODO: Separate tracks
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try
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{
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writingBaseName = Path.Combine(Path.GetDirectoryName(path), Path.GetFileNameWithoutExtension(path));
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descriptorStream = new StreamWriter(path, false, Encoding.ASCII);
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}
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catch(IOException e)
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{
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ErrorMessage = $"Could not create new image file, exception {e.Message}";
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return false;
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}
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discimage = new CdrdaoDisc
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{
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Disktype = mediaType, Tracks = new List<CdrdaoTrack>()
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};
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trackFlags = new Dictionary<byte, byte>();
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trackIsrcs = new Dictionary<byte, string>();
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IsWriting = true;
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ErrorMessage = null;
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return true;
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}
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public bool WriteMediaTag(byte[] data, MediaTagType tag)
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{
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if(!IsWriting)
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{
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ErrorMessage = "Tried to write on a non-writable image";
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return false;
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}
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switch(tag)
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{
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case MediaTagType.CD_MCN:
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discimage.Mcn = Encoding.ASCII.GetString(data);
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return true;
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default:
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ErrorMessage = $"Unsupported media tag {tag}";
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return false;
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}
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}
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public bool WriteSector(byte[] data, ulong sectorAddress)
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{
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if(!IsWriting)
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{
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ErrorMessage = "Tried to write on a non-writable image";
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return false;
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}
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Track track =
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writingTracks.FirstOrDefault(trk => sectorAddress >= trk.TrackStartSector &&
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sectorAddress <= trk.TrackEndSector);
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if(track is null)
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{
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ErrorMessage = $"Can't found track containing {sectorAddress}";
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return false;
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}
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FileStream trackStream = writingStreams.FirstOrDefault(kvp => kvp.Key == track.TrackSequence).Value;
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if(trackStream == null)
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{
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ErrorMessage = $"Can't found file containing {sectorAddress}";
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return false;
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}
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if(track.TrackBytesPerSector != track.TrackRawBytesPerSector)
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{
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ErrorMessage = "Invalid write mode for this sector";
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return false;
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}
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if(data.Length != track.TrackRawBytesPerSector)
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{
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ErrorMessage = "Incorrect data size";
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return false;
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}
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// cdrdao audio tracks are endian swapped corresponding to Aaru
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if(track.TrackType == TrackType.Audio)
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{
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byte[] swapped = new byte[data.Length];
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for(long i = 0; i < swapped.Length; i += 2)
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{
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swapped[i] = data[i + 1];
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swapped[i + 1] = data[i];
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}
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data = swapped;
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}
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trackStream.
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Seek((long)(track.TrackFileOffset + ((sectorAddress - track.TrackStartSector) * (ulong)track.TrackRawBytesPerSector)),
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SeekOrigin.Begin);
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trackStream.Write(data, 0, data.Length);
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return true;
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}
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public bool WriteSectors(byte[] data, ulong sectorAddress, uint length)
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{
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if(!IsWriting)
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{
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ErrorMessage = "Tried to write on a non-writable image";
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return false;
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}
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Track track =
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writingTracks.FirstOrDefault(trk => sectorAddress >= trk.TrackStartSector &&
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sectorAddress <= trk.TrackEndSector);
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if(track is null)
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{
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ErrorMessage = $"Can't found track containing {sectorAddress}";
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return false;
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}
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FileStream trackStream = writingStreams.FirstOrDefault(kvp => kvp.Key == track.TrackSequence).Value;
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if(trackStream == null)
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{
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ErrorMessage = $"Can't found file containing {sectorAddress}";
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return false;
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}
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if(track.TrackBytesPerSector != track.TrackRawBytesPerSector)
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{
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ErrorMessage = "Invalid write mode for this sector";
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return false;
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}
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if(sectorAddress + length > track.TrackEndSector + 1)
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{
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ErrorMessage = "Can't cross tracks";
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return false;
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}
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if(data.Length % track.TrackRawBytesPerSector != 0)
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{
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ErrorMessage = "Incorrect data size";
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return false;
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}
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// cdrdao audio tracks are endian swapped corresponding to Aaru
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if(track.TrackType == TrackType.Audio)
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{
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byte[] swapped = new byte[data.Length];
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for(long i = 0; i < swapped.Length; i += 2)
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{
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swapped[i] = data[i + 1];
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swapped[i + 1] = data[i];
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}
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data = swapped;
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}
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switch(track.TrackSubchannelType)
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{
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case TrackSubchannelType.None:
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trackStream.
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Seek((long)(track.TrackFileOffset + ((sectorAddress - track.TrackStartSector) * (ulong)track.TrackRawBytesPerSector)),
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SeekOrigin.Begin);
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trackStream.Write(data, 0, data.Length);
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ErrorMessage = "";
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return true;
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case TrackSubchannelType.Raw:
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case TrackSubchannelType.RawInterleaved:
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trackStream.
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Seek((long)(track.TrackFileOffset + ((sectorAddress - track.TrackStartSector) * (ulong)(track.TrackRawBytesPerSector + 96))),
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SeekOrigin.Begin);
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for(uint i = 0; i < length; i++)
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{
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trackStream.Write(data, (int)(i * track.TrackRawBytesPerSector), track.TrackRawBytesPerSector);
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trackStream.Position += 96;
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}
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ErrorMessage = "";
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return true;
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default:
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ErrorMessage = "Invalid subchannel mode for this sector";
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return false;
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}
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}
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public bool WriteSectorLong(byte[] data, ulong sectorAddress)
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{
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if(!IsWriting)
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{
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ErrorMessage = "Tried to write on a non-writable image";
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return false;
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}
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Track track =
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writingTracks.FirstOrDefault(trk => sectorAddress >= trk.TrackStartSector &&
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sectorAddress <= trk.TrackEndSector);
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if(track is null)
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{
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ErrorMessage = $"Can't found track containing {sectorAddress}";
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return false;
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}
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FileStream trackStream = writingStreams.FirstOrDefault(kvp => kvp.Key == track.TrackSequence).Value;
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if(trackStream == null)
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{
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ErrorMessage = $"Can't found file containing {sectorAddress}";
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return false;
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}
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if(data.Length != track.TrackRawBytesPerSector)
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{
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ErrorMessage = "Incorrect data size";
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return false;
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}
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// cdrdao audio tracks are endian swapped corresponding to Aaru
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if(track.TrackType == TrackType.Audio)
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{
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byte[] swapped = new byte[data.Length];
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for(long i = 0; i < swapped.Length; i += 2)
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{
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swapped[i] = data[i + 1];
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swapped[i + 1] = data[i];
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}
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data = swapped;
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}
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uint subchannelSize = (uint)(track.TrackSubchannelType != TrackSubchannelType.None ? 96 : 0);
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trackStream.
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Seek((long)(track.TrackFileOffset + ((sectorAddress - track.TrackStartSector) * (ulong)(track.TrackRawBytesPerSector + subchannelSize))),
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SeekOrigin.Begin);
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trackStream.Write(data, 0, data.Length);
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return true;
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}
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public bool WriteSectorsLong(byte[] data, ulong sectorAddress, uint length)
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{
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if(!IsWriting)
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{
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ErrorMessage = "Tried to write on a non-writable image";
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return false;
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}
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Track track =
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writingTracks.FirstOrDefault(trk => sectorAddress >= trk.TrackStartSector &&
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sectorAddress <= trk.TrackEndSector);
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if(track is null)
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{
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ErrorMessage = $"Can't found track containing {sectorAddress}";
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return false;
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}
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FileStream trackStream = writingStreams.FirstOrDefault(kvp => kvp.Key == track.TrackSequence).Value;
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if(trackStream == null)
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{
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ErrorMessage = $"Can't found file containing {sectorAddress}";
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return false;
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}
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if(sectorAddress + length > track.TrackEndSector + 1)
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{
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ErrorMessage = "Can't cross tracks";
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return false;
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}
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if(data.Length % track.TrackRawBytesPerSector != 0)
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{
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ErrorMessage = "Incorrect data size";
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return false;
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}
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// cdrdao audio tracks are endian swapped corresponding to Aaru
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if(track.TrackType == TrackType.Audio)
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{
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byte[] swapped = new byte[data.Length];
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for(long i = 0; i < swapped.Length; i += 2)
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{
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swapped[i] = data[i + 1];
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swapped[i + 1] = data[i];
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}
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data = swapped;
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}
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uint subchannelSize = (uint)(track.TrackSubchannelType != TrackSubchannelType.None ? 96 : 0);
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for(uint i = 0; i < length; i++)
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{
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trackStream.
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Seek((long)(track.TrackFileOffset + (((i + sectorAddress) - track.TrackStartSector) * (ulong)(track.TrackRawBytesPerSector + subchannelSize))),
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SeekOrigin.Begin);
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trackStream.Write(data, (int)(i * track.TrackRawBytesPerSector), track.TrackRawBytesPerSector);
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}
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return true;
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}
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public bool SetTracks(List<Track> tracks)
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{
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if(!IsWriting)
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{
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ErrorMessage = "Tried to write on a non-writable image";
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return false;
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}
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if(tracks == null ||
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tracks.Count == 0)
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{
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ErrorMessage = "Invalid tracks sent";
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return false;
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}
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if(writingTracks != null &&
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writingStreams != null)
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foreach(FileStream oldTrack in writingStreams.Select(t => t.Value).Distinct())
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oldTrack.Close();
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ulong currentOffset = 0;
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writingTracks = new List<Track>();
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foreach(Track track in tracks.OrderBy(t => t.TrackSequence))
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{
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if(track.TrackSubchannelType == TrackSubchannelType.Q16 ||
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track.TrackSubchannelType == TrackSubchannelType.Q16Interleaved)
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{
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ErrorMessage =
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$"Unsupported subchannel type {track.TrackSubchannelType} for track {track.TrackSequence}";
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return false;
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}
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Track newTrack = track;
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newTrack.TrackFile = separateTracksWriting ? writingBaseName + $"_track{track.TrackSequence:D2}.bin"
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: writingBaseName + ".bin";
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newTrack.TrackFileOffset = separateTracksWriting ? 0 : currentOffset;
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writingTracks.Add(newTrack);
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currentOffset += (ulong)newTrack.TrackRawBytesPerSector *
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((newTrack.TrackEndSector - newTrack.TrackStartSector) + 1);
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if(track.TrackSubchannelType != TrackSubchannelType.None)
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currentOffset += 96 * ((newTrack.TrackEndSector - newTrack.TrackStartSector) + 1);
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}
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writingStreams = new Dictionary<uint, FileStream>();
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if(separateTracksWriting)
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foreach(Track track in writingTracks)
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writingStreams.Add(track.TrackSequence,
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new FileStream(track.TrackFile, FileMode.OpenOrCreate, FileAccess.ReadWrite,
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FileShare.None));
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else
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{
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var jointstream = new FileStream(writingBaseName + ".bin", FileMode.OpenOrCreate, FileAccess.ReadWrite,
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FileShare.None);
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foreach(Track track in writingTracks)
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writingStreams.Add(track.TrackSequence, jointstream);
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}
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return true;
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}
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public bool Close()
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{
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if(!IsWriting)
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{
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ErrorMessage = "Image is not opened for writing";
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return false;
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}
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if(separateTracksWriting)
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foreach(FileStream writingStream in writingStreams.Values)
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{
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writingStream.Flush();
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writingStream.Close();
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}
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else
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{
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writingStreams.First().Value.Flush();
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writingStreams.First().Value.Close();
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}
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bool data = writingTracks.Count(t => t.TrackType != TrackType.Audio) > 0;
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bool mode2 = writingTracks.Count(t => t.TrackType == TrackType.CdMode2Form1 ||
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t.TrackType == TrackType.CdMode2Form2 ||
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t.TrackType == TrackType.CdMode2Formless) > 0;
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if(mode2)
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descriptorStream.WriteLine("CD_ROM_XA");
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else if(data)
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descriptorStream.WriteLine("CD_ROM");
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else
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descriptorStream.WriteLine("CD_DA");
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if(!string.IsNullOrWhiteSpace(discimage.Comment))
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{
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string[] commentLines = discimage.Comment.Split(new[]
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{
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'\n'
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}, StringSplitOptions.RemoveEmptyEntries);
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foreach(string line in commentLines)
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descriptorStream.WriteLine("// {0}", line);
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}
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descriptorStream.WriteLine();
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if(!string.IsNullOrEmpty(discimage.Mcn))
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descriptorStream.WriteLine("CATALOG {0}", discimage.Mcn);
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foreach(Track track in writingTracks)
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{
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descriptorStream.WriteLine();
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descriptorStream.WriteLine("// Track {0}", track.TrackSequence);
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string subchannelType;
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switch(track.TrackSubchannelType)
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{
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case TrackSubchannelType.Packed:
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case TrackSubchannelType.PackedInterleaved:
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subchannelType = " RW";
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break;
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case TrackSubchannelType.Raw:
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case TrackSubchannelType.RawInterleaved:
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subchannelType = " RW_RAW";
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break;
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default:
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subchannelType = "";
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break;
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}
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descriptorStream.WriteLine("TRACK {0}{1}", GetTrackMode(track), subchannelType);
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trackFlags.TryGetValue((byte)track.TrackSequence, out byte flagsByte);
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var flags = (CdFlags)flagsByte;
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descriptorStream.WriteLine("{0}COPY", flags.HasFlag(CdFlags.CopyPermitted) ? "" : "NO ");
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if(track.TrackType == TrackType.Audio)
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{
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descriptorStream.WriteLine("{0}PRE_EMPHASIS", flags.HasFlag(CdFlags.PreEmphasis) ? "" : "NO ");
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descriptorStream.WriteLine("{0}_CHANNEL_AUDIO",
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flags.HasFlag(CdFlags.FourChannel) ? "FOUR" : "TWO");
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}
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if(trackIsrcs.TryGetValue((byte)track.TrackSequence, out string isrc))
|
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descriptorStream.WriteLine("ISRC {0}", isrc);
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|
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(byte minute, byte second, byte frame) msf =
|
|
LbaToMsf((track.TrackEndSector - track.TrackStartSector) + 1);
|
|
|
|
descriptorStream.WriteLine("DATAFILE \"{0}\" #{1} {2:D2}:{3:D2}:{4:D2} // length in bytes: {5}",
|
|
Path.GetFileName(track.TrackFile), track.TrackFileOffset, msf.minute,
|
|
msf.second, msf.frame,
|
|
((track.TrackEndSector - track.TrackStartSector) + 1) *
|
|
(ulong)(track.TrackRawBytesPerSector +
|
|
(track.TrackSubchannelType != TrackSubchannelType.None ? 96 : 0)));
|
|
|
|
descriptorStream.WriteLine();
|
|
}
|
|
|
|
descriptorStream.Flush();
|
|
descriptorStream.Close();
|
|
|
|
IsWriting = false;
|
|
ErrorMessage = "";
|
|
|
|
return true;
|
|
}
|
|
|
|
public bool SetMetadata(ImageInfo metadata)
|
|
{
|
|
discimage.Barcode = metadata.MediaBarcode;
|
|
discimage.Comment = metadata.Comments;
|
|
|
|
return true;
|
|
}
|
|
|
|
public bool SetGeometry(uint cylinders, uint heads, uint sectorsPerTrack)
|
|
{
|
|
ErrorMessage = "Unsupported feature";
|
|
|
|
return false;
|
|
}
|
|
|
|
public bool WriteSectorTag(byte[] data, ulong sectorAddress, SectorTagType tag)
|
|
{
|
|
if(!IsWriting)
|
|
{
|
|
ErrorMessage = "Tried to write on a non-writable image";
|
|
|
|
return false;
|
|
}
|
|
|
|
Track track =
|
|
writingTracks.FirstOrDefault(trk => sectorAddress >= trk.TrackStartSector &&
|
|
sectorAddress <= trk.TrackEndSector);
|
|
|
|
if(track is null)
|
|
{
|
|
ErrorMessage = $"Can't found track containing {sectorAddress}";
|
|
|
|
return false;
|
|
}
|
|
|
|
switch(tag)
|
|
{
|
|
case SectorTagType.CdTrackFlags:
|
|
{
|
|
if(data.Length != 1)
|
|
{
|
|
ErrorMessage = "Incorrect data size for track flags";
|
|
|
|
return false;
|
|
}
|
|
|
|
trackFlags.Add((byte)sectorAddress, data[0]);
|
|
|
|
return true;
|
|
}
|
|
case SectorTagType.CdTrackIsrc:
|
|
{
|
|
if(data != null)
|
|
trackIsrcs.Add((byte)sectorAddress, Encoding.UTF8.GetString(data));
|
|
|
|
return true;
|
|
}
|
|
case SectorTagType.CdSectorSubchannel:
|
|
{
|
|
if(track.TrackSubchannelType == 0)
|
|
{
|
|
ErrorMessage =
|
|
$"Trying to write subchannel to track {track.TrackSequence}, that does not have subchannel";
|
|
|
|
return false;
|
|
}
|
|
|
|
if(data.Length != 96)
|
|
{
|
|
ErrorMessage = "Incorrect data size for subchannel";
|
|
|
|
return false;
|
|
}
|
|
|
|
FileStream trackStream = writingStreams.FirstOrDefault(kvp => kvp.Key == track.TrackSequence).Value;
|
|
|
|
if(trackStream == null)
|
|
{
|
|
ErrorMessage = $"Can't found file containing {sectorAddress}";
|
|
|
|
return false;
|
|
}
|
|
|
|
trackStream.
|
|
Seek((long)(track.TrackFileOffset + ((sectorAddress - track.TrackStartSector) * (ulong)(track.TrackRawBytesPerSector + 96))) + track.TrackRawBytesPerSector,
|
|
SeekOrigin.Begin);
|
|
|
|
trackStream.Write(data, 0, data.Length);
|
|
|
|
return true;
|
|
}
|
|
default:
|
|
ErrorMessage = $"Unsupported tag type {tag}";
|
|
|
|
return false;
|
|
}
|
|
}
|
|
|
|
public bool WriteSectorsTag(byte[] data, ulong sectorAddress, uint length, SectorTagType tag)
|
|
{
|
|
if(!IsWriting)
|
|
{
|
|
ErrorMessage = "Tried to write on a non-writable image";
|
|
|
|
return false;
|
|
}
|
|
|
|
Track track =
|
|
writingTracks.FirstOrDefault(trk => sectorAddress >= trk.TrackStartSector &&
|
|
sectorAddress <= trk.TrackEndSector);
|
|
|
|
if(track is null)
|
|
{
|
|
ErrorMessage = $"Can't found track containing {sectorAddress}";
|
|
|
|
return false;
|
|
}
|
|
|
|
switch(tag)
|
|
{
|
|
case SectorTagType.CdTrackFlags:
|
|
case SectorTagType.CdTrackIsrc: return WriteSectorTag(data, sectorAddress, tag);
|
|
case SectorTagType.CdSectorSubchannel:
|
|
{
|
|
if(track.TrackSubchannelType == 0)
|
|
{
|
|
ErrorMessage =
|
|
$"Trying to write subchannel to track {track.TrackSequence}, that does not have subchannel";
|
|
|
|
return false;
|
|
}
|
|
|
|
if(data.Length % 96 != 0)
|
|
{
|
|
ErrorMessage = "Incorrect data size for subchannel";
|
|
|
|
return false;
|
|
}
|
|
|
|
FileStream trackStream = writingStreams.FirstOrDefault(kvp => kvp.Key == track.TrackSequence).Value;
|
|
|
|
if(trackStream == null)
|
|
{
|
|
ErrorMessage = $"Can't found file containing {sectorAddress}";
|
|
|
|
return false;
|
|
}
|
|
|
|
for(uint i = 0; i < length; i++)
|
|
{
|
|
trackStream.
|
|
Seek((long)(track.TrackFileOffset + (((i + sectorAddress) - track.TrackStartSector) * (ulong)(track.TrackRawBytesPerSector + 96))) + track.TrackRawBytesPerSector,
|
|
SeekOrigin.Begin);
|
|
|
|
trackStream.Write(data, (int)(i * 96), 96);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
default:
|
|
ErrorMessage = $"Unsupported tag type {tag}";
|
|
|
|
return false;
|
|
}
|
|
}
|
|
|
|
public bool SetDumpHardware(List<DumpHardwareType> dumpHardware) => false;
|
|
|
|
public bool SetCicmMetadata(CICMMetadataType metadata) => false;
|
|
}
|
|
} |