// /*************************************************************************** // Aaru Data Preservation Suite // ---------------------------------------------------------------------------- // // Filename : FullTOC.cs // Author(s) : Natalia Portillo // // Component : Device structures decoders. // // --[ Description ] ---------------------------------------------------------- // // Decodes CD full Table of Contents. // // --[ License ] -------------------------------------------------------------- // // 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 . // // ---------------------------------------------------------------------------- // Copyright © 2011-2021 Natalia Portillo // ****************************************************************************/ using System.Diagnostics.CodeAnalysis; using System.Text; using Aaru.Console; using Aaru.Helpers; namespace Aaru.Decoders.CD { // Information from the following standards: // ANSI X3.304-1997 // T10/1048-D revision 9.0 // T10/1048-D revision 10a // T10/1228-D revision 7.0c // T10/1228-D revision 11a // T10/1363-D revision 10g // T10/1545-D revision 1d // T10/1545-D revision 5 // T10/1545-D revision 5a // T10/1675-D revision 2c // T10/1675-D revision 4 // T10/1836-D revision 2g // ISO/IEC 61104: Compact disc video system - 12 cm CD-V // ISO/IEC 60908: Audio recording - Compact disc digital audio system [SuppressMessage("ReSharper", "InconsistentNaming"), SuppressMessage("ReSharper", "MemberCanBeInternal"), SuppressMessage("ReSharper", "MemberCanBePrivate.Global")] public static class FullTOC { const string StereoNoPre = "Stereo audio track with no pre-emphasis"; const string StereoPreEm = "Stereo audio track with 50/15 μs pre-emphasis"; const string QuadNoPreEm = "Quadraphonic audio track with no pre-emphasis"; const string QuadPreEmph = "Quadraphonic audio track with 50/15 μs pre-emphasis"; const string DataUnintrp = "Data track, recorded uninterrupted"; const string DataIncrtly = "Data track, recorded incrementally"; public static CDFullTOC? Decode(byte[] CDFullTOCResponse) { if(CDFullTOCResponse == null || CDFullTOCResponse.Length <= 4) return null; var decoded = new CDFullTOC { DataLength = BigEndianBitConverter.ToUInt16(CDFullTOCResponse, 0), FirstCompleteSession = CDFullTOCResponse[2], LastCompleteSession = CDFullTOCResponse[3] }; decoded.TrackDescriptors = new TrackDataDescriptor[(decoded.DataLength - 2) / 11]; if(decoded.DataLength + 2 != CDFullTOCResponse.Length) { AaruConsole.DebugWriteLine("CD full TOC decoder", "Expected CDFullTOC size ({0} bytes) is not received size ({1} bytes), not decoding", decoded.DataLength + 2, CDFullTOCResponse.Length); return null; } for(int i = 0; i < (decoded.DataLength - 2) / 11; i++) { decoded.TrackDescriptors[i].SessionNumber = CDFullTOCResponse[0 + (i * 11) + 4]; decoded.TrackDescriptors[i].ADR = (byte)((CDFullTOCResponse[1 + (i * 11) + 4] & 0xF0) >> 4); decoded.TrackDescriptors[i].CONTROL = (byte)(CDFullTOCResponse[1 + (i * 11) + 4] & 0x0F); decoded.TrackDescriptors[i].TNO = CDFullTOCResponse[2 + (i * 11) + 4]; decoded.TrackDescriptors[i].POINT = CDFullTOCResponse[3 + (i * 11) + 4]; decoded.TrackDescriptors[i].Min = CDFullTOCResponse[4 + (i * 11) + 4]; decoded.TrackDescriptors[i].Sec = CDFullTOCResponse[5 + (i * 11) + 4]; decoded.TrackDescriptors[i].Frame = CDFullTOCResponse[6 + (i * 11) + 4]; decoded.TrackDescriptors[i].Zero = CDFullTOCResponse[7 + (i * 11) + 4]; decoded.TrackDescriptors[i].HOUR = (byte)((CDFullTOCResponse[7 + (i * 11) + 4] & 0xF0) >> 4); decoded.TrackDescriptors[i].PHOUR = (byte)(CDFullTOCResponse[7 + (i * 11) + 4] & 0x0F); decoded.TrackDescriptors[i].PMIN = CDFullTOCResponse[8 + (i * 11) + 4]; decoded.TrackDescriptors[i].PSEC = CDFullTOCResponse[9 + (i * 11) + 4]; decoded.TrackDescriptors[i].PFRAME = CDFullTOCResponse[10 + (i * 11) + 4]; } return decoded; } public static string Prettify(CDFullTOC? CDFullTOCResponse) { if(CDFullTOCResponse == null) return null; CDFullTOC response = CDFullTOCResponse.Value; var sb = new StringBuilder(); int lastSession = 0; sb.AppendFormat("First complete session number: {0}", response.FirstCompleteSession).AppendLine(); sb.AppendFormat("Last complete session number: {0}", response.LastCompleteSession).AppendLine(); foreach(TrackDataDescriptor descriptor in response.TrackDescriptors) if((descriptor.CONTROL & 0x08) == 0x08 || (descriptor.ADR != 1 && descriptor.ADR != 5 && descriptor.ADR != 4 && descriptor.ADR != 6) || descriptor.TNO != 0) { sb.AppendLine("Unknown TOC entry format, printing values as-is"); sb.AppendFormat("SessionNumber = {0}", descriptor.SessionNumber).AppendLine(); sb.AppendFormat("ADR = {0}", descriptor.ADR).AppendLine(); sb.AppendFormat("CONTROL = {0}", descriptor.CONTROL).AppendLine(); sb.AppendFormat("TNO = {0}", descriptor.TNO).AppendLine(); sb.AppendFormat("POINT = {0}", descriptor.POINT).AppendLine(); sb.AppendFormat("Min = {0}", descriptor.Min).AppendLine(); sb.AppendFormat("Sec = {0}", descriptor.Sec).AppendLine(); sb.AppendFormat("Frame = {0}", descriptor.Frame).AppendLine(); sb.AppendFormat("HOUR = {0}", descriptor.HOUR).AppendLine(); sb.AppendFormat("PHOUR = {0}", descriptor.PHOUR).AppendLine(); sb.AppendFormat("PMIN = {0}", descriptor.PMIN).AppendLine(); sb.AppendFormat("PSEC = {0}", descriptor.PSEC).AppendLine(); sb.AppendFormat("PFRAME = {0}", descriptor.PFRAME).AppendLine(); } else { if(descriptor.SessionNumber > lastSession) { sb.AppendFormat("Session {0}", descriptor.SessionNumber).AppendLine(); lastSession = descriptor.SessionNumber; } switch(descriptor.ADR) { case 1: case 4: { switch(descriptor.POINT) { case 0xA0 when descriptor.ADR == 4: { sb.AppendFormat("First video track number: {0}", descriptor.PMIN).AppendLine(); switch(descriptor.PSEC) { case 0x10: sb.AppendLine("CD-V single in NTSC format with digital stereo sound"); break; case 0x11: sb.AppendLine("CD-V single in NTSC format with digital bilingual sound"); break; case 0x12: sb.AppendLine("CD-V disc in NTSC format with digital stereo sound"); break; case 0x13: sb.AppendLine("CD-V disc in NTSC format with digital bilingual sound"); break; case 0x20: sb.AppendLine("CD-V single in PAL format with digital stereo sound"); break; case 0x21: sb.AppendLine("CD-V single in PAL format with digital bilingual sound"); break; case 0x22: sb.AppendLine("CD-V disc in PAL format with digital stereo sound"); break; case 0x23: sb.AppendLine("CD-V disc in PAL format with digital bilingual sound"); break; } break; } case 0xA0 when descriptor.ADR == 1: { sb.AppendFormat("First track number: {0} (", descriptor.PMIN); switch((TocControl)(descriptor.CONTROL & 0x0D)) { case TocControl.TwoChanNoPreEmph: sb.Append(StereoNoPre); break; case TocControl.TwoChanPreEmph: sb.Append(StereoPreEm); break; case TocControl.FourChanNoPreEmph: sb.Append(QuadNoPreEm); break; case TocControl.FourChanPreEmph: sb.Append(QuadPreEmph); break; case TocControl.DataTrack: sb.Append(DataUnintrp); break; case TocControl.DataTrackIncremental: sb.Append(DataIncrtly); break; } sb.AppendLine(")"); sb.AppendFormat("Disc type: {0}", descriptor.PSEC).AppendLine(); //sb.AppendFormat("Absolute time: {3:D2}:{0:D2}:{1:D2}:{2:D2}", descriptor.Min, descriptor.Sec, descriptor.Frame, descriptor.HOUR).AppendLine(); break; } case 0xA1 when descriptor.ADR == 4: sb.AppendFormat("Last video track number: {0}", descriptor.PMIN).AppendLine(); break; case 0xA1 when descriptor.ADR == 1: { sb.AppendFormat("Last track number: {0} (", descriptor.PMIN); switch((TocControl)(descriptor.CONTROL & 0x0D)) { case TocControl.TwoChanNoPreEmph: sb.Append(StereoNoPre); break; case TocControl.TwoChanPreEmph: sb.Append(StereoPreEm); break; case TocControl.FourChanNoPreEmph: sb.Append(QuadNoPreEm); break; case TocControl.FourChanPreEmph: sb.Append(QuadPreEmph); break; case TocControl.DataTrack: sb.Append(DataUnintrp); break; case TocControl.DataTrackIncremental: sb.Append(DataIncrtly); break; } sb.AppendLine(")"); //sb.AppendFormat("Absolute time: {3:D2}:{0:D2}:{1:D2}:{2:D2}", descriptor.Min, descriptor.Sec, descriptor.Frame, descriptor.HOUR).AppendLine(); break; } case 0xA2: { if(descriptor.PHOUR > 0) sb.AppendFormat("Lead-out start position: {3:D2}:{0:D2}:{1:D2}:{2:D2}", descriptor.PMIN, descriptor.PSEC, descriptor.PFRAME, descriptor.PHOUR).AppendLine(); else sb.AppendFormat("Lead-out start position: {0:D2}:{1:D2}:{2:D2}", descriptor.PMIN, descriptor.PSEC, descriptor.PFRAME). AppendLine(); //sb.AppendFormat("Absolute time: {3:D2}:{0:D2}:{1:D2}:{2:D2}", descriptor.Min, descriptor.Sec, descriptor.Frame, descriptor.HOUR).AppendLine(); switch((TocControl)(descriptor.CONTROL & 0x0D)) { case TocControl.TwoChanNoPreEmph: case TocControl.TwoChanPreEmph: case TocControl.FourChanNoPreEmph: case TocControl.FourChanPreEmph: sb.AppendLine("Lead-out is audio type"); break; case TocControl.DataTrack: case TocControl.DataTrackIncremental: sb.AppendLine("Lead-out is data type"); break; } break; } case 0xF0: { sb.AppendFormat("Book type: 0x{0:X2}", descriptor.PMIN); sb.AppendFormat("Material type: 0x{0:X2}", descriptor.PSEC); sb.AppendFormat("Moment of inertia: 0x{0:X2}", descriptor.PFRAME); if(descriptor.PHOUR > 0) sb.AppendFormat("Absolute time: {3:D2}:{0:D2}:{1:D2}:{2:D2}", descriptor.Min, descriptor.Sec, descriptor.Frame, descriptor.HOUR).AppendLine(); else sb.AppendFormat("Absolute time: {0:D2}:{1:D2}:{2:D2}", descriptor.Min, descriptor.Sec, descriptor.Frame).AppendLine(); break; } default: { if(descriptor.POINT >= 0x01 && descriptor.POINT <= 0x63) if(descriptor.ADR == 4) sb.AppendFormat("Video track {3} starts at: {0:D2}:{1:D2}:{2:D2}", descriptor.PMIN, descriptor.PSEC, descriptor.PFRAME, descriptor.POINT).AppendLine(); else { string type = "Audio"; if((TocControl)(descriptor.CONTROL & 0x0D) == TocControl.DataTrack || (TocControl)(descriptor.CONTROL & 0x0D) == TocControl.DataTrackIncremental) type = "Data"; if(descriptor.PHOUR > 0) sb.AppendFormat("{5} track {3} starts at: {4:D2}:{0:D2}:{1:D2}:{2:D2} (", descriptor.PMIN, descriptor.PSEC, descriptor.PFRAME, descriptor.POINT, descriptor.PHOUR, type); else sb.AppendFormat("{4} track {3} starts at: {0:D2}:{1:D2}:{2:D2} (", descriptor.PMIN, descriptor.PSEC, descriptor.PFRAME, descriptor.POINT, type); switch((TocControl)(descriptor.CONTROL & 0x0D)) { case TocControl.TwoChanNoPreEmph: sb.Append(StereoNoPre); break; case TocControl.TwoChanPreEmph: sb.Append(StereoPreEm); break; case TocControl.FourChanNoPreEmph: sb.Append(QuadNoPreEm); break; case TocControl.FourChanPreEmph: sb.Append(QuadPreEmph); break; case TocControl.DataTrack: sb.Append(DataUnintrp); break; case TocControl.DataTrackIncremental: sb.Append(DataIncrtly); break; } sb.AppendLine(")"); } else { sb.AppendFormat("ADR = {0}", descriptor.ADR).AppendLine(); sb.AppendFormat("CONTROL = {0}", descriptor.CONTROL).AppendLine(); sb.AppendFormat("TNO = {0}", descriptor.TNO).AppendLine(); sb.AppendFormat("POINT = {0}", descriptor.POINT).AppendLine(); sb.AppendFormat("Min = {0}", descriptor.Min).AppendLine(); sb.AppendFormat("Sec = {0}", descriptor.Sec).AppendLine(); sb.AppendFormat("Frame = {0}", descriptor.Frame).AppendLine(); sb.AppendFormat("HOUR = {0}", descriptor.HOUR).AppendLine(); sb.AppendFormat("PHOUR = {0}", descriptor.PHOUR).AppendLine(); sb.AppendFormat("PMIN = {0}", descriptor.PMIN).AppendLine(); sb.AppendFormat("PSEC = {0}", descriptor.PSEC).AppendLine(); sb.AppendFormat("PFRAME = {0}", descriptor.PFRAME).AppendLine(); } break; } } break; } case 5: { switch(descriptor.POINT) { case 0xB0: { if(descriptor.PHOUR > 0) { sb. AppendFormat("Start of next possible program in the recordable area of the disc: {3:D2}:{0:D2}:{1:D2}:{2:D2}", descriptor.Min, descriptor.Sec, descriptor.Frame, descriptor.HOUR).AppendLine(); sb. AppendFormat("Maximum start of outermost Lead-out in the recordable area of the disc: {3:D2}:{0:D2}:{1:D2}:{2:D2}", descriptor.PMIN, descriptor.PSEC, descriptor.PFRAME, descriptor.PHOUR).AppendLine(); } else { sb. AppendFormat("Start of next possible program in the recordable area of the disc: {0:D2}:{1:D2}:{2:D2}", descriptor.Min, descriptor.Sec, descriptor.Frame).AppendLine(); sb. AppendFormat("Maximum start of outermost Lead-out in the recordable area of the disc: {0:D2}:{1:D2}:{2:D2}", descriptor.PMIN, descriptor.PSEC, descriptor.PFRAME). AppendLine(); } break; } case 0xB1: { sb.AppendFormat("Number of skip interval pointers: {0}", descriptor.PMIN). AppendLine(); sb.AppendFormat("Number of skip track pointers: {0}", descriptor.PSEC).AppendLine(); break; } case 0xB2: case 0xB3: case 0xB4: { sb.AppendFormat("Skip track {0}", descriptor.Min).AppendLine(); sb.AppendFormat("Skip track {0}", descriptor.Sec).AppendLine(); sb.AppendFormat("Skip track {0}", descriptor.Frame).AppendLine(); sb.AppendFormat("Skip track {0}", descriptor.Zero).AppendLine(); sb.AppendFormat("Skip track {0}", descriptor.PMIN).AppendLine(); sb.AppendFormat("Skip track {0}", descriptor.PSEC).AppendLine(); sb.AppendFormat("Skip track {0}", descriptor.PFRAME).AppendLine(); break; } case 0xC0: { sb.AppendFormat("Optimum recording power: 0x{0:X2}", descriptor.Min).AppendLine(); if(descriptor.PHOUR > 0) sb. AppendFormat("Start time of the first Lead-in area in the disc: {3:D2}:{0:D2}:{1:D2}:{2:D2}", descriptor.PMIN, descriptor.PSEC, descriptor.PFRAME, descriptor.PHOUR).AppendLine(); else sb. AppendFormat("Start time of the first Lead-in area in the disc: {0:D2}:{1:D2}:{2:D2}", descriptor.PMIN, descriptor.PSEC, descriptor.PFRAME). AppendLine(); break; } case 0xC1: { sb.AppendFormat("Copy of information of A1 from ATIP found"); sb.AppendFormat("Min = {0}", descriptor.Min).AppendLine(); sb.AppendFormat("Sec = {0}", descriptor.Sec).AppendLine(); sb.AppendFormat("Frame = {0}", descriptor.Frame).AppendLine(); sb.AppendFormat("Zero = {0}", descriptor.Zero).AppendLine(); sb.AppendFormat("PMIN = {0}", descriptor.PMIN).AppendLine(); sb.AppendFormat("PSEC = {0}", descriptor.PSEC).AppendLine(); sb.AppendFormat("PFRAME = {0}", descriptor.PFRAME).AppendLine(); break; } case 0xCF: { if(descriptor.PHOUR > 0) { sb. AppendFormat("Start position of outer part lead-in area: {3:D2}:{0:D2}:{1:D2}:{2:D2}", descriptor.PMIN, descriptor.PSEC, descriptor.PFRAME, descriptor.PHOUR).AppendLine(); sb. AppendFormat("Stop position of inner part lead-out area: {3:D2}:{0:D2}:{1:D2}:{2:D2}", descriptor.Min, descriptor.Sec, descriptor.Frame, descriptor.HOUR).AppendLine(); } else { sb. AppendFormat("Start position of outer part lead-in area: {0:D2}:{1:D2}:{2:D2}", descriptor.PMIN, descriptor.PSEC, descriptor.PFRAME). AppendLine(); sb. AppendFormat("Stop position of inner part lead-out area: {0:D2}:{1:D2}:{2:D2}", descriptor.Min, descriptor.Sec, descriptor.Frame).AppendLine(); } break; } default: { if(descriptor.POINT >= 0x01 && descriptor.POINT <= 0x40) { sb. AppendFormat("Start time for interval that should be skipped: {0:D2}:{1:D2}:{2:D2}", descriptor.PMIN, descriptor.PSEC, descriptor.PFRAME). AppendLine(); sb. AppendFormat("Ending time for interval that should be skipped: {0:D2}:{1:D2}:{2:D2}", descriptor.Min, descriptor.Sec, descriptor.Frame).AppendLine(); } else { sb.AppendFormat("ADR = {0}", descriptor.ADR).AppendLine(); sb.AppendFormat("CONTROL = {0}", descriptor.CONTROL).AppendLine(); sb.AppendFormat("TNO = {0}", descriptor.TNO).AppendLine(); sb.AppendFormat("POINT = {0}", descriptor.POINT).AppendLine(); sb.AppendFormat("Min = {0}", descriptor.Min).AppendLine(); sb.AppendFormat("Sec = {0}", descriptor.Sec).AppendLine(); sb.AppendFormat("Frame = {0}", descriptor.Frame).AppendLine(); sb.AppendFormat("HOUR = {0}", descriptor.HOUR).AppendLine(); sb.AppendFormat("PHOUR = {0}", descriptor.PHOUR).AppendLine(); sb.AppendFormat("PMIN = {0}", descriptor.PMIN).AppendLine(); sb.AppendFormat("PSEC = {0}", descriptor.PSEC).AppendLine(); sb.AppendFormat("PFRAME = {0}", descriptor.PFRAME).AppendLine(); } break; } } break; } case 6: { uint id = (uint)((descriptor.Min << 16) + (descriptor.Sec << 8) + descriptor.Frame); sb.AppendFormat("Disc ID: {0:X6}", id & 0x00FFFFFF).AppendLine(); break; } } } return sb.ToString(); } public static string Prettify(byte[] CDFullTOCResponse) { CDFullTOC? decoded = Decode(CDFullTOCResponse); return Prettify(decoded); } public struct CDFullTOC { /// Total size of returned session information minus this field public ushort DataLength; /// First complete session number in hex public byte FirstCompleteSession; /// Last complete session number in hex public byte LastCompleteSession; /// Track descriptors public TrackDataDescriptor[] TrackDescriptors; } public struct TrackDataDescriptor { /// Byte 0 Session number in hex public byte SessionNumber; /// Byte 1, bits 7 to 4 Type of information in Q subchannel of block where this TOC entry was found public byte ADR; /// Byte 1, bits 3 to 0 Track attributes public byte CONTROL; /// Byte 2 public byte TNO; /// Byte 3 public byte POINT; /// Byte 4 public byte Min; /// Byte 5 public byte Sec; /// Byte 6 public byte Frame; /// Byte 7, CD only public byte Zero; /// Byte 7, bits 7 to 4, DDCD only public byte HOUR; /// Byte 7, bits 3 to 0, DDCD only public byte PHOUR; /// Byte 8 public byte PMIN; /// Byte 9 public byte PSEC; /// Byte 10 public byte PFRAME; } } }