mirror of
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Move to file scoped namespaces.
This commit is contained in:
367
DVD/DDS.cs
367
DVD/DDS.cs
@@ -34,218 +34,217 @@ using System;
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using System.Diagnostics.CodeAnalysis;
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using System.Text;
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namespace Aaru.Decoders.DVD
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namespace Aaru.Decoders.DVD;
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// Information from the following standards:
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// ANSI X3.304-1997
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// T10/1048-D revision 9.0
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// T10/1048-D revision 10a
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// T10/1228-D revision 7.0c
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// T10/1228-D revision 11a
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// T10/1363-D revision 10g
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// T10/1545-D revision 1d
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// T10/1545-D revision 5
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// T10/1545-D revision 5a
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// T10/1675-D revision 2c
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// T10/1675-D revision 4
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// T10/1836-D revision 2g
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// ECMA 272: 120 mm DVD Rewritable Disk (DVD-RAM)
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// ECMA 330: 120 mm (4,7 Gbytes per side) and 80 mm (1,46 Gbytes per side) DVD Rewritable Disk (DVD-RAM)
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[SuppressMessage("ReSharper", "InconsistentNaming"), SuppressMessage("ReSharper", "MemberCanBeInternal"),
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SuppressMessage("ReSharper", "MemberCanBePrivate.Global"), SuppressMessage("ReSharper", "NotAccessedField.Global")]
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public static class DDS
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{
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// Information from the following standards:
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// ANSI X3.304-1997
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// T10/1048-D revision 9.0
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// T10/1048-D revision 10a
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// T10/1228-D revision 7.0c
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// T10/1228-D revision 11a
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// T10/1363-D revision 10g
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// T10/1545-D revision 1d
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// T10/1545-D revision 5
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// T10/1545-D revision 5a
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// T10/1675-D revision 2c
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// T10/1675-D revision 4
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// T10/1836-D revision 2g
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// ECMA 272: 120 mm DVD Rewritable Disk (DVD-RAM)
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// ECMA 330: 120 mm (4,7 Gbytes per side) and 80 mm (1,46 Gbytes per side) DVD Rewritable Disk (DVD-RAM)
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[SuppressMessage("ReSharper", "InconsistentNaming"), SuppressMessage("ReSharper", "MemberCanBeInternal"),
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SuppressMessage("ReSharper", "MemberCanBePrivate.Global"), SuppressMessage("ReSharper", "NotAccessedField.Global")]
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public static class DDS
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public static DiscDefinitionStructure? Decode(byte[] response)
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{
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public static DiscDefinitionStructure? Decode(byte[] response)
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if(response?.Length != 2052)
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return null;
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var dds = new DiscDefinitionStructure
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{
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if(response?.Length != 2052)
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return null;
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Identifier = (ushort)((response[4] << 8) + response[5])
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};
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var dds = new DiscDefinitionStructure
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if(dds.Identifier != 0x0A0A)
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return null;
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// Common to both DVD-RAM versions
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dds.DataLength = (ushort)((response[0] << 8) + response[1]);
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dds.Reserved1 = response[2];
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dds.Reserved2 = response[3];
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dds.Reserved3 = response[6];
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dds.InProcess |= (response[7] & 0x80) == 0x80;
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dds.UserCertification |= (response[7] & 0x02) == 0x02;
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dds.ManufacturerCertification |= (response[7] & 0x01) == 0x01;
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dds.UpdateCount = (uint)((response[8] << 24) + (response[9] << 16) + (response[10] << 8) + response[11]);
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dds.Groups = (ushort)((response[12] << 8) + response[13]);
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// ECMA-272
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if(dds.Groups == 24)
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{
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dds.PartialCertification |= (response[7] & 0x40) == 0x40;
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dds.FormattingOnlyAGroup |= (response[7] & 0x20) == 0x20;
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dds.Reserved4 = (byte)((response[7] & 0x1C) >> 2);
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dds.Reserved = new byte[6];
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Array.Copy(response, 14, dds.Reserved, 0, 6);
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dds.GroupCertificationFlags = new GroupCertificationFlag[24];
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for(int i = 0; i < 24; i++)
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{
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Identifier = (ushort)((response[4] << 8) + response[5])
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};
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if(dds.Identifier != 0x0A0A)
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return null;
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// Common to both DVD-RAM versions
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dds.DataLength = (ushort)((response[0] << 8) + response[1]);
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dds.Reserved1 = response[2];
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dds.Reserved2 = response[3];
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dds.Reserved3 = response[6];
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dds.InProcess |= (response[7] & 0x80) == 0x80;
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dds.UserCertification |= (response[7] & 0x02) == 0x02;
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dds.ManufacturerCertification |= (response[7] & 0x01) == 0x01;
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dds.UpdateCount = (uint)((response[8] << 24) + (response[9] << 16) + (response[10] << 8) + response[11]);
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dds.Groups = (ushort)((response[12] << 8) + response[13]);
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// ECMA-272
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if(dds.Groups == 24)
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{
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dds.PartialCertification |= (response[7] & 0x40) == 0x40;
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dds.FormattingOnlyAGroup |= (response[7] & 0x20) == 0x20;
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dds.Reserved4 = (byte)((response[7] & 0x1C) >> 2);
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dds.Reserved = new byte[6];
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Array.Copy(response, 14, dds.Reserved, 0, 6);
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dds.GroupCertificationFlags = new GroupCertificationFlag[24];
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for(int i = 0; i < 24; i++)
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{
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dds.GroupCertificationFlags[i].InProcess |= (response[20 + i] & 0x80) == 0x80;
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dds.GroupCertificationFlags[i].PartialCertification |= (response[20 + i] & 0x40) == 0x40;
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dds.GroupCertificationFlags[i].Reserved1 = (byte)((response[20 + i] & 0x3C) >> 2);
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dds.GroupCertificationFlags[i].UserCertification |= (response[20 + i] & 0x02) == 0x02;
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dds.GroupCertificationFlags[i].Reserved2 |= (response[20 + i] & 0x01) == 0x01;
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}
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dds.GroupCertificationFlags[i].InProcess |= (response[20 + i] & 0x80) == 0x80;
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dds.GroupCertificationFlags[i].PartialCertification |= (response[20 + i] & 0x40) == 0x40;
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dds.GroupCertificationFlags[i].Reserved1 = (byte)((response[20 + i] & 0x3C) >> 2);
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dds.GroupCertificationFlags[i].UserCertification |= (response[20 + i] & 0x02) == 0x02;
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dds.GroupCertificationFlags[i].Reserved2 |= (response[20 + i] & 0x01) == 0x01;
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}
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// ECMA-330
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if(dds.Groups != 1)
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return dds;
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{
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dds.Reserved4 = (byte)((response[7] & 0x7C) >> 2);
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dds.Reserved = new byte[68];
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Array.Copy(response, 16, dds.Reserved, 0, 68);
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dds.Zones = (ushort)((response[14] << 8) + response[15]);
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dds.SpareAreaFirstPSN = (uint)((response[85] << 16) + (response[86] << 8) + response[87]);
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dds.SpareAreaLastPSN = (uint)((response[89] << 16) + (response[90] << 8) + response[91]);
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dds.LSN0Location = (uint)((response[93] << 16) + (response[94] << 8) + response[95]);
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dds.StartLSNForZone = new uint[dds.Zones];
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for(int i = 0; i < dds.Zones; i++)
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dds.StartLSNForZone[i] = (uint)((response[260 + (i * 4) + 1] << 16) +
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(response[260 + (i * 4) + 2] << 8) + response[260 + (i * 4) + 3]);
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}
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return dds;
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}
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public static string Prettify(DiscDefinitionStructure? dds)
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// ECMA-330
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if(dds.Groups != 1)
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return dds;
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{
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if(dds == null)
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return null;
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dds.Reserved4 = (byte)((response[7] & 0x7C) >> 2);
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dds.Reserved = new byte[68];
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Array.Copy(response, 16, dds.Reserved, 0, 68);
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dds.Zones = (ushort)((response[14] << 8) + response[15]);
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dds.SpareAreaFirstPSN = (uint)((response[85] << 16) + (response[86] << 8) + response[87]);
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dds.SpareAreaLastPSN = (uint)((response[89] << 16) + (response[90] << 8) + response[91]);
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dds.LSN0Location = (uint)((response[93] << 16) + (response[94] << 8) + response[95]);
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dds.StartLSNForZone = new uint[dds.Zones];
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DiscDefinitionStructure decoded = dds.Value;
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var sb = new StringBuilder();
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for(int i = 0; i < dds.Zones; i++)
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dds.StartLSNForZone[i] = (uint)((response[260 + (i * 4) + 1] << 16) +
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(response[260 + (i * 4) + 2] << 8) + response[260 + (i * 4) + 3]);
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}
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if(decoded.InProcess)
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{
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sb.AppendLine("Formatting in progress.");
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return dds;
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}
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if(decoded.Groups == 24)
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{
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if(decoded.PartialCertification)
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sb.AppendLine("Formatting is only using partial certification");
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public static string Prettify(DiscDefinitionStructure? dds)
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{
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if(dds == null)
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return null;
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if(decoded.FormattingOnlyAGroup)
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sb.AppendLine("Only a group is being formatted");
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}
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}
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DiscDefinitionStructure decoded = dds.Value;
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var sb = new StringBuilder();
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if(decoded.UserCertification)
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sb.AppendLine("Disc has been certified by an user");
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if(decoded.ManufacturerCertification)
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sb.AppendLine("Disc has been certified by a manufacturer");
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sb.AppendFormat("DDS has been updated {0} times", decoded.UpdateCount).AppendLine();
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if(decoded.InProcess)
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{
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sb.AppendLine("Formatting in progress.");
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if(decoded.Groups == 24)
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for(int i = 0; i < decoded.GroupCertificationFlags.Length; i++)
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{
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if(decoded.PartialCertification)
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sb.AppendLine("Formatting is only using partial certification");
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if(decoded.FormattingOnlyAGroup)
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sb.AppendLine("Only a group is being formatted");
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}
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}
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if(decoded.UserCertification)
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sb.AppendLine("Disc has been certified by an user");
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if(decoded.ManufacturerCertification)
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sb.AppendLine("Disc has been certified by a manufacturer");
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sb.AppendFormat("DDS has been updated {0} times", decoded.UpdateCount).AppendLine();
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if(decoded.Groups == 24)
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for(int i = 0; i < decoded.GroupCertificationFlags.Length; i++)
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{
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if(decoded.GroupCertificationFlags[i].InProcess)
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{
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if(decoded.GroupCertificationFlags[i].InProcess)
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{
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sb.AppendFormat("Group {0} is being formatted", i).AppendLine();
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sb.AppendFormat("Group {0} is being formatted", i).AppendLine();
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if(decoded.GroupCertificationFlags[i].PartialCertification)
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sb.AppendFormat("Group {0} is being certified partially", i).AppendLine();
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}
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if(decoded.GroupCertificationFlags[i].UserCertification)
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sb.AppendFormat("Group {0} has been certified by an user", i).AppendLine();
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if(decoded.GroupCertificationFlags[i].PartialCertification)
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sb.AppendFormat("Group {0} is being certified partially", i).AppendLine();
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}
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if(decoded.Groups != 1)
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return sb.ToString();
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{
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sb.AppendFormat("Disc has {0} zones", decoded.Zones).AppendLine();
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sb.AppendFormat("Primary Spare Area stats at PSN {0:X}h and ends at PSN {1:X}h, inclusively",
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decoded.SpareAreaFirstPSN, decoded.SpareAreaLastPSN).AppendLine();
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sb.AppendFormat("LSN 0 is at PSN {0:X}h", decoded.LSN0Location).AppendLine();
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for(int i = 0; i < decoded.StartLSNForZone.Length; i++)
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sb.AppendFormat("Zone {0} starts at LSN {1}", i, decoded.StartLSNForZone[i]).AppendLine();
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if(decoded.GroupCertificationFlags[i].UserCertification)
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sb.AppendFormat("Group {0} has been certified by an user", i).AppendLine();
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}
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if(decoded.Groups != 1)
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return sb.ToString();
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}
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public static string Prettify(byte[] response) => Prettify(Decode(response));
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public struct DiscDefinitionStructure
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{
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/// <summary>Bytes 0 to 1 Data length</summary>
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public ushort DataLength;
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/// <summary>Byte 2 Reserved</summary>
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public byte Reserved1;
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/// <summary>Byte 3 Reserved</summary>
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public byte Reserved2;
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sb.AppendFormat("Disc has {0} zones", decoded.Zones).AppendLine();
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/// <summary>Bytes 4 to 5 DDS Identifier = 0x0A0A</summary>
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public ushort Identifier;
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/// <summary>Byte 6 Reserved</summary>
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public byte Reserved3;
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/// <summary>Byte 7, bit 7 If set, formatting is in process</summary>
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public bool InProcess;
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/// <summary>Byte 7, bit 6 If set, formatting is using partial certification Only in ECMA-272</summary>
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public bool PartialCertification;
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/// <summary>Byte 7, bit 5 If set, only a group is being formatted Only in ECMA-272</summary>
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public bool FormattingOnlyAGroup;
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/// <summary>Byte 7, bits 4 to 2 Reserved</summary>
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public byte Reserved4;
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/// <summary>Byte 7, bit 1 If set, disk has been certified by a user</summary>
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public bool UserCertification;
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/// <summary>Byte 7, bit 0 If set, disk has been certified by a manufacturer</summary>
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public bool ManufacturerCertification;
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/// <summary>Bytes 8 to 11 How many times the DDS has been updated</summary>
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public uint UpdateCount;
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/// <summary>Bytes 12 to 13 How many groups the disk has 24 for ECMA-272 1 for ECMA-330</summary>
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public ushort Groups;
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/// <summary>Bytes 14 to 15 How many zones the disk has Only in ECMA-330</summary>
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public ushort Zones;
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/// <summary>Bytes 14 to 19 in ECMA-272 Bytes 16 to 83 in ECMA-330 Reserved</summary>
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public byte[] Reserved;
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/// <summary>Bytes 20 to 43 Group certification flags</summary>
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public GroupCertificationFlag[] GroupCertificationFlags;
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sb.AppendFormat("Primary Spare Area stats at PSN {0:X}h and ends at PSN {1:X}h, inclusively",
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decoded.SpareAreaFirstPSN, decoded.SpareAreaLastPSN).AppendLine();
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/// <summary>Bytes 85 to 87 Location of first sector in the Primary Spare Area</summary>
|
||||
public uint SpareAreaFirstPSN;
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||||
/// <summary>Bytes 89 to 91 Location of first sector in the Primary Spare Area</summary>
|
||||
public uint SpareAreaLastPSN;
|
||||
/// <summary>Bytes 93 to 95 PSN for LSN 0</summary>
|
||||
public uint LSN0Location;
|
||||
/// <summary>The starting LSN of each zone</summary>
|
||||
public uint[] StartLSNForZone;
|
||||
sb.AppendFormat("LSN 0 is at PSN {0:X}h", decoded.LSN0Location).AppendLine();
|
||||
|
||||
for(int i = 0; i < decoded.StartLSNForZone.Length; i++)
|
||||
sb.AppendFormat("Zone {0} starts at LSN {1}", i, decoded.StartLSNForZone[i]).AppendLine();
|
||||
}
|
||||
|
||||
public struct GroupCertificationFlag
|
||||
{
|
||||
/// <summary>Bit 7 If set, formatting of this group is in process</summary>
|
||||
public bool InProcess;
|
||||
/// <summary>Bit 6 If set, formatting is using partial certification</summary>
|
||||
public bool PartialCertification;
|
||||
/// <summary>Bits 5 to 2 Reserved</summary>
|
||||
public byte Reserved1;
|
||||
/// <summary>Bit 1 If set, this group has been certified by user</summary>
|
||||
public bool UserCertification;
|
||||
/// <summary>Bit 0 Reserved</summary>
|
||||
public bool Reserved2;
|
||||
}
|
||||
return sb.ToString();
|
||||
}
|
||||
|
||||
public static string Prettify(byte[] response) => Prettify(Decode(response));
|
||||
|
||||
public struct DiscDefinitionStructure
|
||||
{
|
||||
/// <summary>Bytes 0 to 1 Data length</summary>
|
||||
public ushort DataLength;
|
||||
/// <summary>Byte 2 Reserved</summary>
|
||||
public byte Reserved1;
|
||||
/// <summary>Byte 3 Reserved</summary>
|
||||
public byte Reserved2;
|
||||
|
||||
/// <summary>Bytes 4 to 5 DDS Identifier = 0x0A0A</summary>
|
||||
public ushort Identifier;
|
||||
/// <summary>Byte 6 Reserved</summary>
|
||||
public byte Reserved3;
|
||||
/// <summary>Byte 7, bit 7 If set, formatting is in process</summary>
|
||||
public bool InProcess;
|
||||
/// <summary>Byte 7, bit 6 If set, formatting is using partial certification Only in ECMA-272</summary>
|
||||
public bool PartialCertification;
|
||||
/// <summary>Byte 7, bit 5 If set, only a group is being formatted Only in ECMA-272</summary>
|
||||
public bool FormattingOnlyAGroup;
|
||||
/// <summary>Byte 7, bits 4 to 2 Reserved</summary>
|
||||
public byte Reserved4;
|
||||
/// <summary>Byte 7, bit 1 If set, disk has been certified by a user</summary>
|
||||
public bool UserCertification;
|
||||
/// <summary>Byte 7, bit 0 If set, disk has been certified by a manufacturer</summary>
|
||||
public bool ManufacturerCertification;
|
||||
/// <summary>Bytes 8 to 11 How many times the DDS has been updated</summary>
|
||||
public uint UpdateCount;
|
||||
/// <summary>Bytes 12 to 13 How many groups the disk has 24 for ECMA-272 1 for ECMA-330</summary>
|
||||
public ushort Groups;
|
||||
/// <summary>Bytes 14 to 15 How many zones the disk has Only in ECMA-330</summary>
|
||||
public ushort Zones;
|
||||
/// <summary>Bytes 14 to 19 in ECMA-272 Bytes 16 to 83 in ECMA-330 Reserved</summary>
|
||||
public byte[] Reserved;
|
||||
/// <summary>Bytes 20 to 43 Group certification flags</summary>
|
||||
public GroupCertificationFlag[] GroupCertificationFlags;
|
||||
|
||||
/// <summary>Bytes 85 to 87 Location of first sector in the Primary Spare Area</summary>
|
||||
public uint SpareAreaFirstPSN;
|
||||
/// <summary>Bytes 89 to 91 Location of first sector in the Primary Spare Area</summary>
|
||||
public uint SpareAreaLastPSN;
|
||||
/// <summary>Bytes 93 to 95 PSN for LSN 0</summary>
|
||||
public uint LSN0Location;
|
||||
/// <summary>The starting LSN of each zone</summary>
|
||||
public uint[] StartLSNForZone;
|
||||
}
|
||||
|
||||
public struct GroupCertificationFlag
|
||||
{
|
||||
/// <summary>Bit 7 If set, formatting of this group is in process</summary>
|
||||
public bool InProcess;
|
||||
/// <summary>Bit 6 If set, formatting is using partial certification</summary>
|
||||
public bool PartialCertification;
|
||||
/// <summary>Bits 5 to 2 Reserved</summary>
|
||||
public byte Reserved1;
|
||||
/// <summary>Bit 1 If set, this group has been certified by user</summary>
|
||||
public bool UserCertification;
|
||||
/// <summary>Bit 0 Reserved</summary>
|
||||
public bool Reserved2;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user