public static CDTOC? Decode(byte[] CDTOCResponse) { if(CDTOCResponse == null) return null; CDTOC decoded = new CDTOC(); BigEndianBitConverter.IsLittleEndian = BitConverter.IsLittleEndian; decoded.DataLength = BigEndianBitConverter.ToUInt16(CDTOCResponse, 0); decoded.FirstTrack = CDTOCResponse[2]; decoded.LastTrack = CDTOCResponse[3]; decoded.TrackDescriptors = new CDTOCTrackDataDescriptor[(decoded.DataLength - 2) / 8]; if(decoded.DataLength + 2 != CDTOCResponse.Length) { DicConsole.DebugWriteLine("CD TOC decoder", "Expected CDTOC size ({0} bytes) is not received size ({1} bytes), not decoding", decoded.DataLength + 2, CDTOCResponse.Length); return null; } for(int i = 0; i < (decoded.DataLength - 2) / 8; i++) { decoded.TrackDescriptors[i].Reserved1 = CDTOCResponse[0 + i * 8 + 4]; decoded.TrackDescriptors[i].ADR = (byte)((CDTOCResponse[1 + i * 8 + 4] & 0xF0) >> 4); decoded.TrackDescriptors[i].CONTROL = (byte)(CDTOCResponse[1 + i * 8 + 4] & 0x0F); decoded.TrackDescriptors[i].TrackNumber = CDTOCResponse[2 + i * 8 + 4]; decoded.TrackDescriptors[i].Reserved2 = CDTOCResponse[3 + i * 8 + 4]; decoded.TrackDescriptors[i].TrackStartAddress = BigEndianBitConverter.ToUInt32(CDTOCResponse, 4 + i * 8 + 4); } return decoded; }
public static CDTOC?Decode(byte[] CDTOCResponse) { if (CDTOCResponse == null || CDTOCResponse.Length <= 4) { return(null); } var decoded = new CDTOC { DataLength = BigEndianBitConverter.ToUInt16(CDTOCResponse, 0), FirstTrack = CDTOCResponse[2], LastTrack = CDTOCResponse[3] }; decoded.TrackDescriptors = new CDTOCTrackDataDescriptor[(decoded.DataLength - 2) / 8]; if (decoded.DataLength + 2 != CDTOCResponse.Length) { AaruConsole.DebugWriteLine("CD TOC decoder", "Expected CDTOC size ({0} bytes) is not received size ({1} bytes), not decoding", decoded.DataLength + 2, CDTOCResponse.Length); return(null); } for (int i = 0; i < (decoded.DataLength - 2) / 8; i++) { decoded.TrackDescriptors[i].Reserved1 = CDTOCResponse[0 + (i * 8) + 4]; decoded.TrackDescriptors[i].ADR = (byte)((CDTOCResponse[1 + (i * 8) + 4] & 0xF0) >> 4); decoded.TrackDescriptors[i].CONTROL = (byte)(CDTOCResponse[1 + (i * 8) + 4] & 0x0F); decoded.TrackDescriptors[i].TrackNumber = CDTOCResponse[2 + (i * 8) + 4]; decoded.TrackDescriptors[i].Reserved2 = CDTOCResponse[3 + (i * 8) + 4]; decoded.TrackDescriptors[i].TrackStartAddress = BigEndianBitConverter.ToUInt32(CDTOCResponse, 4 + (i * 8) + 4); } return(decoded); }
public static string Prettify(CDTOC?CDTOCResponse) { if (CDTOCResponse == null) { return(null); } CDTOC response = CDTOCResponse.Value; StringBuilder sb = new StringBuilder(); sb.AppendFormat("First track number in first complete session: {0}", response.FirstTrack).AppendLine(); sb.AppendFormat("Last track number in last complete session: {0}", response.LastTrack).AppendLine(); foreach (CDTOCTrackDataDescriptor descriptor in response.TrackDescriptors) { if (descriptor.TrackNumber == 0xAA) { sb.AppendLine("Track number: Lead-Out"); } else { sb.AppendFormat("Track number: {0}", descriptor.TrackNumber).AppendLine(); } sb.AppendFormat("Track starts at LBA {0}, or MSF {1:X2}:{2:X2}:{3:X2}", descriptor.TrackStartAddress, (descriptor.TrackStartAddress & 0x0000FF00) >> 8, (descriptor.TrackStartAddress & 0x00FF0000) >> 16, (descriptor.TrackStartAddress & 0xFF000000) >> 24).AppendLine(); switch ((TocAdr)descriptor.ADR) { case TocAdr.NoInformation: sb.AppendLine("Q subchannel mode not given"); break; case TocAdr.TrackPointer: sb.AppendLine("Q subchannel stores track pointer"); break; case TocAdr.VideoTrackPointer: sb.AppendLine("Q subchannel stores video track pointer"); break; case TocAdr.ISRC: sb.AppendLine("Q subchannel stores ISRC"); break; case TocAdr.MediaCatalogNumber: sb.AppendLine("Q subchannel stores media catalog number"); break; default: sb.AppendFormat("Q subchannel mode {0}", descriptor.ADR).AppendLine(); break; } if ((descriptor.CONTROL & (byte)TocControl.ReservedMask) == (byte)TocControl.ReservedMask) { sb.AppendFormat("Reserved flags 0x{0:X2} set", descriptor.CONTROL).AppendLine(); } else { switch ((TocControl)(descriptor.CONTROL & 0x0D)) { case TocControl.TwoChanNoPreEmph: sb.AppendLine("Stereo audio track with no pre-emphasis"); break; case TocControl.TwoChanPreEmph: sb.AppendLine("Stereo audio track with 50/15 μs pre-emphasis"); break; case TocControl.FourChanNoPreEmph: sb.AppendLine("Quadraphonic audio track with no pre-emphasis"); break; case TocControl.FourChanPreEmph: sb.AppendLine("Quadraphonic audio track with 50/15 μs pre-emphasis"); break; case TocControl.DataTrack: sb.AppendLine("Data track, recorded uninterrupted"); break; case TocControl.DataTrackIncremental: sb.AppendLine("Data track, recorded incrementally"); break; } sb.AppendLine((descriptor.CONTROL & (byte)TocControl.CopyPermissionMask) == (byte)TocControl.CopyPermissionMask ? "Digital copy of track is permitted" : "Digital copy of track is prohibited"); #if DEBUG if (descriptor.Reserved1 != 0) { sb.AppendFormat("Reserved1 = 0x{0:X2}", descriptor.Reserved1).AppendLine(); } if (descriptor.Reserved2 != 0) { sb.AppendFormat("Reserved2 = 0x{0:X2}", descriptor.Reserved2).AppendLine(); } #endif sb.AppendLine(); } } return(sb.ToString()); }