Files
Aaru/Aaru.Decoders/CD/PMA.cs

415 lines
19 KiB
C#

// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename : PMA.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Device structures decoders.
//
// --[ Description ] ----------------------------------------------------------
//
// Decodes CD Power Management Area.
//
// --[ 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 <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
// Copyright © 2011-2023 Natalia Portillo
// ****************************************************************************/
using System.Collections.Generic;
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
[SuppressMessage("ReSharper", "InconsistentNaming")]
[SuppressMessage("ReSharper", "MemberCanBeInternal")]
[SuppressMessage("ReSharper", "MemberCanBePrivate.Global")]
public static class PMA
{
const string MODULE_NAME = "CD PMA decoder";
public static CDPMA? Decode(byte[] CDPMAResponse)
{
if(CDPMAResponse is not { Length: > 4 })
return null;
var decoded = new CDPMA
{
DataLength = BigEndianBitConverter.ToUInt16(CDPMAResponse, 0),
Reserved1 = CDPMAResponse[2],
Reserved2 = CDPMAResponse[3]
};
decoded.PMADescriptors = new CDPMADescriptors[(decoded.DataLength - 2) / 11];
if(decoded.PMADescriptors.Length == 0)
return null;
if(decoded.DataLength + 2 != CDPMAResponse.Length)
{
AaruConsole.DebugWriteLine(MODULE_NAME,
Localization.
Expected_CD_PMA_size_0_bytes_is_not_received_size_1_bytes_not_decoding,
decoded.DataLength + 2, CDPMAResponse.Length);
return null;
}
for(var i = 0; i < (decoded.DataLength - 2) / 11; i++)
{
decoded.PMADescriptors[i].Reserved = CDPMAResponse[0 + i * 11 + 4];
decoded.PMADescriptors[i].ADR = (byte)((CDPMAResponse[1 + i * 11 + 4] & 0xF0) >> 4);
decoded.PMADescriptors[i].CONTROL = (byte)(CDPMAResponse[1 + i * 11 + 4] & 0x0F);
decoded.PMADescriptors[i].TNO = CDPMAResponse[2 + i * 11 + 4];
decoded.PMADescriptors[i].POINT = CDPMAResponse[3 + i * 11 + 4];
decoded.PMADescriptors[i].Min = CDPMAResponse[4 + i * 11 + 4];
decoded.PMADescriptors[i].Sec = CDPMAResponse[5 + i * 11 + 4];
decoded.PMADescriptors[i].Frame = CDPMAResponse[6 + i * 11 + 4];
decoded.PMADescriptors[i].HOUR = (byte)((CDPMAResponse[7 + i * 11 + 4] & 0xF0) >> 4);
decoded.PMADescriptors[i].PHOUR = (byte)(CDPMAResponse[7 + i * 11 + 4] & 0x0F);
decoded.PMADescriptors[i].PMIN = CDPMAResponse[8 + i * 11 + 4];
decoded.PMADescriptors[i].PSEC = CDPMAResponse[9 + i * 11 + 4];
decoded.PMADescriptors[i].PFRAME = CDPMAResponse[10 + i * 11 + 4];
}
return decoded;
}
public static string Prettify(CDPMA? CDPMAResponse)
{
if(CDPMAResponse == null)
return null;
CDPMA response = CDPMAResponse.Value;
var sb = new StringBuilder();
#if DEBUG
if(response.Reserved1 != 0)
sb.AppendFormat(Localization.Reserved1_equals_0_X8, response.Reserved1).AppendLine();
if(response.Reserved2 != 0)
sb.AppendFormat(Localization.Reserved2_equals_0_X8, response.Reserved2).AppendLine();
#endif
foreach(CDPMADescriptors descriptor in response.PMADescriptors)
{
#if DEBUG
if(descriptor.Reserved != 0)
sb.AppendFormat(Localization.Reserved_equals_0_X2, descriptor.Reserved).AppendLine();
#endif
List<string> tracks;
switch(descriptor.ADR)
{
case 1:
if(descriptor.POINT > 0)
{
switch((TocControl)(descriptor.CONTROL & 0x0D))
{
case TocControl.TwoChanNoPreEmph:
if(descriptor.PHOUR > 0)
{
sb.AppendFormat(Localization.Track_0_Stereo_audio_track_with_no_pre_emphasis_starts_at_4_1_2_3_and_ends_at_8_5_6_7,
descriptor.POINT, descriptor.PMIN, descriptor.PSEC,
descriptor.PFRAME, descriptor.PHOUR, descriptor.Min, descriptor.Sec,
descriptor.Frame, descriptor.HOUR);
}
else
{
sb.AppendFormat(Localization.Track_0_Stereo_audio_track_with_no_pre_emphasis_starts_at_1_2_3_and_ends_at_4_5_6,
descriptor.POINT, descriptor.PMIN, descriptor.PSEC,
descriptor.PFRAME, descriptor.Min, descriptor.Sec,
descriptor.Frame);
}
break;
case TocControl.TwoChanPreEmph:
if(descriptor.PHOUR > 0)
{
sb.AppendFormat(Localization.Track_0_Stereo_audio_track_with_50_15_s_pre_emphasis_starts_at_4_1_2_3_and_ends_at_8_5_6_7,
descriptor.POINT, descriptor.PMIN, descriptor.PSEC,
descriptor.PFRAME, descriptor.PHOUR, descriptor.Min, descriptor.Sec,
descriptor.Frame, descriptor.HOUR);
}
else
{
sb.AppendFormat(Localization.Track_0_Stereo_audio_track_with_50_15_us_pre_emphasis_starts_at_1_2_3_and_ends_at_4_5_6,
descriptor.POINT, descriptor.PMIN, descriptor.PSEC,
descriptor.PFRAME, descriptor.Min, descriptor.Sec,
descriptor.Frame);
}
break;
case TocControl.FourChanNoPreEmph:
if(descriptor.PHOUR > 0)
{
sb.AppendFormat(Localization.Track_0_Quadraphonic_audio_track_with_no_pre_emphasis_starts_at_4_1_2_3_and_ends_at_8_5_6_7,
descriptor.POINT, descriptor.PMIN, descriptor.PSEC,
descriptor.PFRAME, descriptor.PHOUR, descriptor.Min, descriptor.Sec,
descriptor.Frame, descriptor.HOUR);
}
else
{
sb.AppendFormat(Localization.Track_0_Quadraphonic_audio_track_with_no_pre_emphasis_starts_at_1_2_3_and_ends_at_4_5_6,
descriptor.POINT, descriptor.PMIN, descriptor.PSEC,
descriptor.PFRAME, descriptor.Min, descriptor.Sec,
descriptor.Frame);
}
break;
case TocControl.FourChanPreEmph:
if(descriptor.PHOUR > 0)
{
sb.AppendFormat(Localization.Track_0_Quadraphonic_audio_track_with_50_15_us_pre_emphasis_starts_at_4_1_2_3_and_ends_at_8_5_6_7,
descriptor.POINT, descriptor.PMIN, descriptor.PSEC,
descriptor.PFRAME, descriptor.PHOUR, descriptor.Min, descriptor.Sec,
descriptor.Frame, descriptor.HOUR);
}
else
{
sb.AppendFormat(Localization.Track_0_Quadraphonic_audio_track_with_50_15_us_pre_emphasis_starts_at_1_2_3_and_ends_at_4_5_6,
descriptor.POINT, descriptor.PMIN, descriptor.PSEC,
descriptor.PFRAME, descriptor.Min, descriptor.Sec,
descriptor.Frame);
}
break;
case TocControl.DataTrack:
if(descriptor.PHOUR > 0)
{
sb.AppendFormat(Localization.Track_0_Data_track_recorded_uninterrupted_starts_at_4_1_2_3_and_ends_at_8_5_6_7,
descriptor.POINT, descriptor.PMIN, descriptor.PSEC,
descriptor.PFRAME, descriptor.PHOUR, descriptor.Min, descriptor.Sec,
descriptor.Frame, descriptor.HOUR);
}
else
{
sb.AppendFormat(Localization.Track_0_Data_track_recorded_uninterrupted_starts_at_1_2_3_and_ends_at_4_5_6,
descriptor.POINT, descriptor.PMIN, descriptor.PSEC,
descriptor.PFRAME, descriptor.Min, descriptor.Sec,
descriptor.Frame);
}
break;
case TocControl.DataTrackIncremental:
if(descriptor.PHOUR > 0)
{
sb.AppendFormat(Localization.Track_0_Data_track_recorded_incrementally_starts_at_4_1_2_3_and_ends_at_8_5_6_7,
descriptor.POINT, descriptor.PMIN, descriptor.PSEC,
descriptor.PFRAME, descriptor.PHOUR, descriptor.Min, descriptor.Sec,
descriptor.Frame, descriptor.HOUR);
}
else
{
sb.AppendFormat(Localization.Track_0_Data_track_recorded_incrementally_starts_at_1_2_3_and_ends_at_4_5_6,
descriptor.POINT, descriptor.PMIN, descriptor.PSEC,
descriptor.PFRAME, descriptor.Min, descriptor.Sec,
descriptor.Frame);
}
break;
}
sb.AppendLine();
}
else
goto default;
break;
case 2:
var id = (uint)((descriptor.Min << 16) + (descriptor.Sec << 8) + descriptor.Frame);
sb.AppendFormat(Localization.Disc_ID_0_X6, id & 0x00FFFFFF).AppendLine();
break;
case 3:
tracks = new List<string>();
if(descriptor.Min > 0)
tracks.Add($"{descriptor.Min}");
if(descriptor.Sec > 0)
tracks.Add($"{descriptor.Sec}");
if(descriptor.Frame > 0)
tracks.Add($"{descriptor.Frame}");
if(descriptor.PMIN > 0)
tracks.Add($"{descriptor.PMIN}");
if(descriptor.PSEC > 0)
tracks.Add($"{descriptor.PSEC}");
if(descriptor.PFRAME > 0)
tracks.Add($"{descriptor.PFRAME}");
sb.AppendFormat(Localization.Skip_track_assignment_0_says_that_tracks_1_should_be_skipped,
descriptor.POINT, string.Join(' ', tracks));
break;
case 4:
tracks = new List<string>();
if(descriptor.Min > 0)
tracks.Add($"{descriptor.Min}");
if(descriptor.Sec > 0)
tracks.Add($"{descriptor.Sec}");
if(descriptor.Frame > 0)
tracks.Add($"{descriptor.Frame}");
if(descriptor.PMIN > 0)
tracks.Add($"{descriptor.PMIN}");
if(descriptor.PSEC > 0)
tracks.Add($"{descriptor.PSEC}");
if(descriptor.PFRAME > 0)
tracks.Add($"{descriptor.PFRAME}");
sb.AppendFormat(Localization.Unskip_track_assignment_0_says_that_tracks_1_should_not_be_skipped,
descriptor.POINT, string.Join(' ', tracks));
break;
case 5:
if(descriptor.PHOUR > 0)
{
sb.AppendFormat(Localization.Skip_time_interval_assignment_0_says_that_from_4_1_2_3_to_8_5_6_7_should_be_skipped,
descriptor.POINT, descriptor.PMIN, descriptor.PSEC, descriptor.PFRAME,
descriptor.PHOUR, descriptor.Min, descriptor.Sec, descriptor.Frame,
descriptor.HOUR);
}
else
{
sb.AppendFormat(Localization.Skip_time_interval_assignment_0_says_that_from_1_2_3_to_4_5_6_should_be_skipped,
descriptor.POINT, descriptor.PMIN, descriptor.PSEC, descriptor.PFRAME,
descriptor.Min, descriptor.Sec, descriptor.Frame);
}
break;
case 6:
if(descriptor.PHOUR > 0)
{
sb.AppendFormat(Localization.Unskip_time_interval_assignment_0_says_that_from_4_1_2_3_to_8_5_6_7_should_not_be_skipped,
descriptor.POINT, descriptor.PMIN, descriptor.PSEC, descriptor.PFRAME,
descriptor.PHOUR, descriptor.Min, descriptor.Sec, descriptor.Frame,
descriptor.HOUR);
}
else
{
sb.AppendFormat(Localization.Unskip_time_interval_assignment_0_says_that_from_1_2_3_to_4_5_6_should_not_be_skipped,
descriptor.POINT, descriptor.PMIN, descriptor.PSEC, descriptor.PFRAME,
descriptor.Min, descriptor.Sec, descriptor.Frame);
}
break;
default:
sb.AppendLine($"ADR = {descriptor.ADR}");
sb.AppendLine($"CONTROL = {descriptor.CONTROL}");
sb.AppendLine($"TNO = {descriptor.TNO}");
sb.AppendLine($"POINT = {descriptor.POINT}");
sb.AppendLine($"Min = {descriptor.Min}");
sb.AppendLine($"Sec = {descriptor.Sec}");
sb.AppendLine($"Frame = {descriptor.Frame}");
sb.AppendLine($"HOUR = {descriptor.HOUR}");
sb.AppendLine($"PHOUR = {descriptor.PHOUR}");
sb.AppendLine($"PMIN = {descriptor.PMIN}");
sb.AppendLine($"PSEC = {descriptor.PSEC}");
sb.AppendLine($"PFRAME = {descriptor.PFRAME}");
break;
}
}
return sb.ToString();
}
public static string Prettify(byte[] CDPMAResponse)
{
CDPMA? decoded = Decode(CDPMAResponse);
return Prettify(decoded);
}
#region Nested type: CDPMA
public struct CDPMA
{
/// <summary>Total size of returned session information minus this field</summary>
public ushort DataLength;
/// <summary>Reserved</summary>
public byte Reserved1;
/// <summary>Reserved</summary>
public byte Reserved2;
/// <summary>Track descriptors</summary>
public CDPMADescriptors[] PMADescriptors;
}
#endregion
#region Nested type: CDPMADescriptors
public struct CDPMADescriptors
{
/// <summary>Byte 0 Reserved</summary>
public byte Reserved;
/// <summary>Byte 1, bits 7 to 4 Type of information in Q subchannel of block where this TOC entry was found</summary>
public byte ADR;
/// <summary>Byte 1, bits 3 to 0 Track attributes</summary>
public byte CONTROL;
/// <summary>Byte 2</summary>
public byte TNO;
/// <summary>Byte 3</summary>
public byte POINT;
/// <summary>Byte 4</summary>
public byte Min;
/// <summary>Byte 5</summary>
public byte Sec;
/// <summary>Byte 6</summary>
public byte Frame;
/// <summary>Byte 7, bits 7 to 4</summary>
public byte HOUR;
/// <summary>Byte 7, bits 3 to 0</summary>
public byte PHOUR;
/// <summary>Byte 8</summary>
public byte PMIN;
/// <summary>Byte 9</summary>
public byte PSEC;
/// <summary>Byte 10</summary>
public byte PFRAME;
}
#endregion
}