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Finally CD-Text on lead-in is getting decoded correctly...

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This commit is contained in:
Natalia Portillo
2015-12-04 03:34:44 +00:00
parent 2a1f2a9738
commit b21a807ae1
8 changed files with 54 additions and 14 deletions
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24
DiscImageChef.Decoders/CD/CDTextOnLeadIn.cs
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@@ -38,6 +38,7 @@
using System;
using DiscImageChef.Console;
using System.Text;
using System.Collections.Generic;
namespace DiscImageChef.Decoders.CD
{
@@ -215,12 +216,12 @@ namespace DiscImageChef.Decoders.CD
decoded.DataPacks[i].HeaderID1 = CDTextResponse[0 + i * 18 + 4];
decoded.DataPacks[i].HeaderID2 = CDTextResponse[1 + i * 18 + 4];
decoded.DataPacks[i].HeaderID3 = CDTextResponse[2 + i * 18 + 4];
decoded.DataPacks[i].DBCC = Convert.ToBoolean(CDTextResponse[3 + i * 8 + 4] & 0x80);
decoded.DataPacks[i].BlockNumber = (byte)((CDTextResponse[3 + i * 8 + 4] & 0x70) >> 4);
decoded.DataPacks[i].CharacterPosition = (byte)(CDTextResponse[3 + i * 8 + 4] & 0x0F);
decoded.DataPacks[i].DBCC = Convert.ToBoolean(CDTextResponse[3 + i * 18 + 4] & 0x80);
decoded.DataPacks[i].BlockNumber = (byte)((CDTextResponse[3 + i * 18 + 4] & 0x70) >> 4);
decoded.DataPacks[i].CharacterPosition = (byte)(CDTextResponse[3 + i * 18 + 4] & 0x0F);
decoded.DataPacks[i].TextDataField = new byte[12];
Array.Copy(CDTextResponse, 4, decoded.DataPacks[i].TextDataField, 0, 12);
decoded.DataPacks[i].CRC = BigEndianBitConverter.ToUInt16(CDTextResponse, 16 + i * 8 + 4);
Array.Copy(CDTextResponse, 4 + i * 18 + 4, decoded.DataPacks[i].TextDataField, 0, 12);
decoded.DataPacks[i].CRC = BigEndianBitConverter.ToUInt16(CDTextResponse, 16 + i * 18 + 4);
}
return decoded;
@@ -232,7 +233,6 @@ namespace DiscImageChef.Decoders.CD
return null;
CDText response = CDTextResponse.Value;
StringBuilder sb = new StringBuilder();
#if DEBUG
@@ -241,10 +241,15 @@ namespace DiscImageChef.Decoders.CD
if(response.Reserved2 != 0)
sb.AppendFormat("Reserved2 = 0x{0:X2}", response.Reserved2).AppendLine();
#endif
foreach (CDTextPack descriptor in response.DataPacks)
{
if ((descriptor.HeaderID1 & 0x80) != 0x80)
sb.AppendFormat("Incorrect CD-Text pack type {0}, not decoding", descriptor.HeaderID1).AppendLine();
{
// Ignore NOPs
if((descriptor.HeaderID1 & 0x80) != 0)
sb.AppendFormat("Incorrect CD-Text pack type {0}, not decoding", descriptor.HeaderID1).AppendLine();
}
else
{
switch (descriptor.HeaderID1)
@@ -278,7 +283,6 @@ namespace DiscImageChef.Decoders.CD
}
case 0x83:
{
sb.Append("CD-Text pack contains composer for ");
if (descriptor.HeaderID2 == 0x00)
sb.AppendLine("album");
else
@@ -340,7 +344,7 @@ namespace DiscImageChef.Decoders.CD
if (descriptor.HeaderID2 == 0x00)
sb.AppendLine("CD-Text pack contains UPC");
else
sb.AppendFormat("CD-Text pack contains ISRC for track {0}", descriptor.HeaderID2).AppendLine();
sb.AppendFormat("track {0}", descriptor.HeaderID2).AppendLine();
break;
}
case 0x8F:
@@ -366,7 +370,7 @@ namespace DiscImageChef.Decoders.CD
sb.AppendLine("Double Byte Character Code is used");
sb.AppendFormat("Block number {0}", descriptor.BlockNumber).AppendLine();
sb.AppendFormat("Character position {0}", descriptor.CharacterPosition).AppendLine();
sb.AppendFormat("Text field: \"{0}\"", StringHandlers.CToString(descriptor.TextDataField)).AppendLine();
sb.AppendFormat("Text field: \"{0}\"", StringHandlers.CToString(descriptor.TextDataField, Encoding.GetEncoding("iso-8859-1"))).AppendLine();
break;
}
default:

5
DiscImageChef.Decoders/ChangeLog
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@@ -1,3 +1,8 @@
2015-12-04 Natalia Portillo <claunia@claunia.com>
* CD/CDTextOnLeadIn.cs:
Finally CD-Text on lead-in is getting decoded correctly...
2015-12-04 Natalia Portillo <claunia@claunia.com>
* CD/FullTOC.cs:

5
DiscImageChef.Devices/ChangeLog
View File

@@ -1,3 +1,8 @@
2015-12-04 Natalia Portillo <claunia@claunia.com>
* Device/ScsiCommands.cs:
Finally CD-Text on lead-in is getting decoded correctly...
2015-12-04 Natalia Portillo <claunia@claunia.com>
* Device/ScsiCommands.cs:

7
DiscImageChef.Devices/Device/ScsiCommands.cs
View File

@@ -846,9 +846,14 @@ namespace DiscImageChef.Devices
{
senseBuffer = new byte[32];
byte[] cdb = new byte[10];
byte[] tmpBuffer = new byte[1024];
byte[] tmpBuffer;
bool sense;
if(format == 5)
tmpBuffer = new byte[32768];
else
tmpBuffer = new byte[1024];
cdb[0] = (byte)ScsiCommands.ReadTocPmaAtip;
if (MSF)
cdb[1] = 0x02;

5
DiscImageChef.Helpers/ChangeLog
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@@ -1,3 +1,8 @@
2015-12-04 Natalia Portillo <claunia@claunia.com>
* StringHandlers.cs:
Finally CD-Text on lead-in is getting decoded correctly...
2015-10-19 Natalia Portillo <claunia@claunia.com>
* DiscImageChef.Helpers.csproj:

13
DiscImageChef.Helpers/StringHandlers.cs
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@@ -49,6 +49,17 @@ namespace DiscImageChef
/// <returns>The corresponding C# string</returns>
/// <param name="CString">A null-terminated (aka C string) ASCII byte array</param>
public static string CToString(byte[] CString)
{
return CToString(CString, Encoding.ASCII);
}
/// <summary>
/// Converts a null-terminated (aka C string) byte array with the specified encoding to a C# string
/// </summary>
/// <returns>The corresponding C# string</returns>
/// <param name="CString">A null-terminated (aka C string) byte array in the specified encoding</param>
/// <param name="encoding">Encoding.</param>
public static string CToString(byte[] CString, Encoding encoding)
{
StringBuilder sb = new StringBuilder();
@@ -57,7 +68,7 @@ namespace DiscImageChef
if (CString[i] == 0)
break;
sb.Append(Encoding.ASCII.GetString(CString, i, 1));
sb.Append(encoding.GetString(CString, i, 1));
}
return sb.ToString();

5
DiscImageChef/ChangeLog
View File

@@ -1,3 +1,8 @@
2015-12-04 Natalia Portillo <claunia@claunia.com>
* Commands/MediaInfo.cs:
Finally CD-Text on lead-in is getting decoded correctly...
2015-12-04 Natalia Portillo <claunia@claunia.com>
* Commands/MediaInfo.cs:

4
DiscImageChef/Commands/MediaInfo.cs
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@@ -807,8 +807,8 @@ namespace DiscImageChef.Commands
else
{
doWriteFile(outputPrefix, "_cdtext.bin", "SCSI READ TOC/PMA/ATIP", cmdBuf);
//if(Decoders.CD.CDTextOnLeadIn.Decode(cmdBuf).HasValue)
// DicConsole.WriteLine("CD-TEXT on Lead-In:\n{0}", Decoders.CD.CDTextOnLeadIn.Prettify(cmdBuf));
if(Decoders.CD.CDTextOnLeadIn.Decode(cmdBuf).HasValue)
DicConsole.WriteLine("CD-TEXT on Lead-In:\n{0}", Decoders.CD.CDTextOnLeadIn.Prettify(cmdBuf));
}
}
}