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394 lines
15 KiB
C#
394 lines
15 KiB
C#
// /***************************************************************************
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// The Disc Image Chef
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// ----------------------------------------------------------------------------
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//
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// Filename : CDText.cs
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// Version : 1.0
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// Author(s) : Natalia Portillo
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//
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// Component : Component
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//
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// Revision : $Revision$
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// Last change by : $Author$
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// Date : $Date$
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Description
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//
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// --[ License ] --------------------------------------------------------------
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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// ----------------------------------------------------------------------------
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// Copyright (C) 2011-2015 Claunia.com
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// ****************************************************************************/
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// //$Id$
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using System;
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using DiscImageChef.Console;
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using System.Text;
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namespace DiscImageChef.Decoders.CD
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{
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/// <summary>
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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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/// </summary>
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public static class CDTextOnLeadIn
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{
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public enum PackTypeIndicator : byte
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{
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/// <summary>
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/// Title of the track (or album if track == 0)
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/// </summary>
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Title = 0x80,
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/// <summary>
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/// Performer
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/// </summary>
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Performer = 0x81,
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/// <summary>
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/// Songwriter
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/// </summary>
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Songwriter = 0x82,
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/// <summary>
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/// Composer
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/// </summary>
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Composer = 0x83,
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/// <summary>
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/// Arranger
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/// </summary>
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Arranger = 0x84,
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/// <summary>
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/// Message from the content provider or artist
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/// </summary>
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Message = 0x85,
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/// <summary>
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/// Disc identification information
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/// </summary>
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DiscIdentification = 0x86,
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/// <summary>
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/// Genre identification
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/// </summary>
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GenreIdentification = 0x87,
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/// <summary>
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/// Table of content information
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/// </summary>
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TOCInformation = 0x88,
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/// <summary>
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/// Second table of content information
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/// </summary>
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SecondTOCInformation = 0x89,
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/// <summary>
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/// Reserved
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/// </summary>
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Reserved1 = 0x8A,
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/// <summary>
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/// Reserved
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/// </summary>
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Reserved2 = 0x8B,
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/// <summary>
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/// Reserved
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/// </summary>
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Reserved3 = 0x8C,
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/// <summary>
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/// Reserved for content provider only
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/// </summary>
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ReservedForContentProvider = 0x8D,
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/// <summary>
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/// UPC of album or ISRC of track
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/// </summary>
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UPCorISRC = 0x8E,
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/// <summary>
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/// Size information of the block
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/// </summary>
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BlockSizeInformation = 0x8F
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}
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public struct CDTextLeadIn
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{
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/// <summary>
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/// Total size of returned CD-Text information minus this field
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/// </summary>
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public UInt16 DataLength;
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/// <summary>
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/// Reserved
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/// </summary>
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public byte Reserved1;
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/// <summary>
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/// Reserved
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/// </summary>
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public byte Reserved2;
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/// <summary>
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/// CD-Text data packs
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/// </summary>
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public CDTextPack[] DataPacks;
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}
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public struct CDTextPack
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{
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/// <summary>
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/// Byte 0
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/// Pack ID1 (Pack Type)
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/// </summary>
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public byte HeaderID1;
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/// <summary>
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/// Byte 1
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/// Pack ID2 (Track number)
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/// </summary>
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public byte HeaderID2;
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/// <summary>
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/// Byte 2
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/// Pack ID3
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/// </summary>
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public byte HeaderID3;
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/// <summary>
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/// Byte 3, bit 7
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/// Double Byte Character Code
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/// </summary>
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public bool DBCC;
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/// <summary>
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/// Byte 3, bits 6 to 4
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/// Block number
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/// </summary>
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public byte BlockNumber;
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/// <summary>
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/// Byte 3, bits 3 to 0
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/// Character position
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/// </summary>
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public byte CharacterPosition;
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/// <summary>
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/// Bytes 4 to 15
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/// Text data
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/// </summary>
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public byte[] TextDataField;
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/// <summary>
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/// Bytes 16 to 17
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/// CRC16
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/// </summary>
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public UInt16 CRC;
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}
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public static CDTextLeadIn? DecodeCDTextLeadIn(byte[] CDTextResponse)
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{
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if (CDTextResponse == null)
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return null;
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CDTextLeadIn decoded = new CDTextLeadIn();
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BigEndianBitConverter.IsLittleEndian = BitConverter.IsLittleEndian;
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decoded.DataLength = BigEndianBitConverter.ToUInt16(CDTextResponse, 0);
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decoded.Reserved1 = CDTextResponse[2];
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decoded.Reserved2 = CDTextResponse[3];
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decoded.DataPacks = new CDTextPack[(decoded.DataLength - 2) / 18];
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if (decoded.DataLength + 2 != CDTextResponse.Length)
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{
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DicConsole.DebugWriteLine("CD-TEXT decoder", "Expected CD-TEXT size ({0} bytes) is not received size ({1} bytes), not decoding", decoded.DataLength + 2, CDTextResponse.Length);
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return null;
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}
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for (int i = 0; i < ((decoded.DataLength - 2) / 18); i++)
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{
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decoded.DataPacks[i].HeaderID1 = CDTextResponse[0 + i * 18 + 4];
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decoded.DataPacks[i].HeaderID2 = CDTextResponse[1 + i * 18 + 4];
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decoded.DataPacks[i].HeaderID3 = CDTextResponse[2 + i * 18 + 4];
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decoded.DataPacks[i].DBCC = Convert.ToBoolean(CDTextResponse[3 + i * 8 + 4] & 0x80);
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decoded.DataPacks[i].BlockNumber = (byte)((CDTextResponse[3 + i * 8 + 4] & 0x70) >> 4);
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decoded.DataPacks[i].CharacterPosition = (byte)(CDTextResponse[3 + i * 8 + 4] & 0x0F);
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decoded.DataPacks[i].TextDataField = new byte[12];
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Array.Copy(CDTextResponse, 4, decoded.DataPacks[i].TextDataField, 0, 12);
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decoded.DataPacks[i].CRC = BigEndianBitConverter.ToUInt16(CDTextResponse, 16 + i * 8 + 4);
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}
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return decoded;
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}
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public static string PrettifyCDTextLeadIn(CDTextLeadIn? CDTextResponse)
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{
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if (CDTextResponse == null)
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return null;
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CDTextLeadIn response = CDTextResponse.Value;
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StringBuilder sb = new StringBuilder();
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#if DEBUG
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if(response.Reserved1 != 0)
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sb.AppendFormat("Reserved1 = 0x{0:X2}", response.Reserved1).AppendLine();
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if(response.Reserved2 != 0)
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sb.AppendFormat("Reserved2 = 0x{0:X2}", response.Reserved2).AppendLine();
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#endif
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foreach (CDTextPack descriptor in response.DataPacks)
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{
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if ((descriptor.HeaderID1 & 0x80) != 0x80)
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sb.AppendFormat("Incorrect CD-Text pack type {0}, not decoding", descriptor.HeaderID1).AppendLine();
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else
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{
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switch (descriptor.HeaderID1)
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{
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case 0x80:
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{
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sb.Append("CD-Text pack contains title for ");
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if (descriptor.HeaderID2 == 0x00)
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sb.AppendLine("album");
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else
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sb.AppendFormat("track {0}", descriptor.HeaderID2).AppendLine();
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break;
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}
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case 0x81:
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{
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sb.Append("CD-Text pack contains performer for ");
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if (descriptor.HeaderID2 == 0x00)
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sb.AppendLine("album");
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else
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sb.AppendFormat("track {0}", descriptor.HeaderID2).AppendLine();
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break;
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}
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case 0x82:
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{
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sb.Append("CD-Text pack contains songwriter for ");
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if (descriptor.HeaderID2 == 0x00)
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sb.AppendLine("album");
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else
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sb.AppendFormat("track {0}", descriptor.HeaderID2).AppendLine();
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break;
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}
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case 0x83:
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{
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sb.Append("CD-Text pack contains composer for ");
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if (descriptor.HeaderID2 == 0x00)
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sb.AppendLine("album");
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else
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sb.AppendFormat("track {0}", descriptor.HeaderID2).AppendLine();
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break;
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}
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case 0x84:
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{
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sb.Append("CD-Text pack contains arranger for ");
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if (descriptor.HeaderID2 == 0x00)
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sb.AppendLine("album");
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else
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sb.AppendFormat("track {0}", descriptor.HeaderID2).AppendLine();
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break;
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}
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case 0x85:
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{
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sb.Append("CD-Text pack contains content provider's message for ");
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if (descriptor.HeaderID2 == 0x00)
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sb.AppendLine("album");
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else
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sb.AppendFormat("track {0}", descriptor.HeaderID2).AppendLine();
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break;
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}
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case 0x86:
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{
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sb.AppendLine("CD-Text pack contains disc identification information");
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break;
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}
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case 0x87:
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{
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sb.AppendLine("CD-Text pack contains genre identification information");
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break;
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}
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case 0x88:
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{
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sb.AppendLine("CD-Text pack contains table of contents information");
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break;
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}
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case 0x89:
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{
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sb.AppendLine("CD-Text pack contains second table of contents information");
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break;
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}
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case 0x8A:
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case 0x8B:
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case 0x8C:
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{
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sb.AppendLine("CD-Text pack contains reserved data");
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break;
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}
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case 0x8D:
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{
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sb.AppendLine("CD-Text pack contains data reserved for content provider only");
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break;
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}
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case 0x8E:
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{
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if (descriptor.HeaderID2 == 0x00)
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sb.AppendLine("CD-Text pack contains UPC");
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else
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sb.AppendFormat("CD-Text pack contains ISRC for track {0}", descriptor.HeaderID2).AppendLine();
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break;
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}
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case 0x8F:
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{
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sb.AppendLine("CD-Text pack contains size block information");
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break;
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}
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}
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switch (descriptor.HeaderID1)
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{
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case 0x80:
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case 0x81:
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case 0x82:
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case 0x83:
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case 0x84:
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case 0x85:
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case 0x86:
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case 0x87:
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case 0x8E:
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{
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if (descriptor.DBCC)
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sb.AppendLine("Double Byte Character Code is used");
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sb.AppendFormat("Block number {0}", descriptor.BlockNumber).AppendLine();
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sb.AppendFormat("Character position {0}", descriptor.CharacterPosition).AppendLine();
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sb.AppendFormat("Text field: \"{0}\"", StringHandlers.CToString(descriptor.TextDataField)).AppendLine();
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break;
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}
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default:
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{
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sb.AppendFormat("Binary contents: {0}", PrintHex.ByteArrayToHexArrayString(descriptor.TextDataField, 28)).AppendLine();
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break;
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}
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}
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sb.AppendFormat("CRC: 0x{0:X4}", descriptor.CRC).AppendLine();
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}
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}
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return sb.ToString();
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}
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public static string PrettifyCDTextLeadIn(byte[] CDTextResponse)
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{
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CDTextLeadIn? decoded = DecodeCDTextLeadIn(CDTextResponse);
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return PrettifyCDTextLeadIn(decoded);
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}
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}
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}
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