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Aaru/Aaru.Decoders/SCSI/Modes/0E.cs

283 lines
10 KiB
C#

// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename : 0E.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Device structures decoders.
//
// --[ Description ] ----------------------------------------------------------
//
// Decodes SCSI MODE PAGE 0Eh: CD-ROM audio control parameters page.
//
// --[ 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.Diagnostics.CodeAnalysis;
using System.Text;
namespace Aaru.Decoders.SCSI;
[SuppressMessage("ReSharper", "InconsistentNaming")]
[SuppressMessage("ReSharper", "MemberCanBeInternal")]
[SuppressMessage("ReSharper", "MemberCanBePrivate.Global")]
public static partial class Modes
{
#region Mode Page 0x0E: CD-ROM audio control parameters page
/// <summary>CD-ROM audio control parameters Page code 0x0E 16 bytes in SCSI-2, MMC-1, MMC-2, MMC-3</summary>
public struct ModePage_0E
{
/// <summary>Parameters can be saved</summary>
public bool PS;
/// <summary>Return status as soon as playback operation starts</summary>
public bool Immed;
/// <summary>Stop on track crossing</summary>
public bool SOTC;
/// <summary>Indicates <see cref="BlocksPerSecondOfAudio" /> is valid</summary>
public bool APRVal;
/// <summary>Multiplier for <see cref="BlocksPerSecondOfAudio" /></summary>
public byte LBAFormat;
/// <summary>LBAs per second of audio</summary>
public ushort BlocksPerSecondOfAudio;
/// <summary>Channels output on this port</summary>
public byte OutputPort0ChannelSelection;
/// <summary>Volume level for this port</summary>
public byte OutputPort0Volume;
/// <summary>Channels output on this port</summary>
public byte OutputPort1ChannelSelection;
/// <summary>Volume level for this port</summary>
public byte OutputPort1Volume;
/// <summary>Channels output on this port</summary>
public byte OutputPort2ChannelSelection;
/// <summary>Volume level for this port</summary>
public byte OutputPort2Volume;
/// <summary>Channels output on this port</summary>
public byte OutputPort3ChannelSelection;
/// <summary>Volume level for this port</summary>
public byte OutputPort3Volume;
}
public static ModePage_0E? DecodeModePage_0E(byte[] pageResponse)
{
if((pageResponse?[0] & 0x40) == 0x40)
return null;
if((pageResponse?[0] & 0x3F) != 0x0E)
return null;
if(pageResponse[1] + 2 != pageResponse.Length)
return null;
if(pageResponse.Length < 16)
return null;
var decoded = new ModePage_0E();
decoded.PS |= (pageResponse[0] & 0x80) == 0x80;
decoded.Immed |= (pageResponse[2] & 0x04) == 0x04;
decoded.SOTC |= (pageResponse[2] & 0x02) == 0x02;
decoded.APRVal |= (pageResponse[5] & 0x80) == 0x80;
decoded.LBAFormat = (byte)(pageResponse[5] & 0x0F);
decoded.BlocksPerSecondOfAudio = (ushort)((pageResponse[6] << 8) + pageResponse[7]);
decoded.OutputPort0ChannelSelection = (byte)(pageResponse[8] & 0x0F);
decoded.OutputPort0Volume = pageResponse[9];
decoded.OutputPort1ChannelSelection = (byte)(pageResponse[10] & 0x0F);
decoded.OutputPort1Volume = pageResponse[11];
decoded.OutputPort2ChannelSelection = (byte)(pageResponse[12] & 0x0F);
decoded.OutputPort2Volume = pageResponse[13];
decoded.OutputPort3ChannelSelection = (byte)(pageResponse[14] & 0x0F);
decoded.OutputPort3Volume = pageResponse[15];
return decoded;
}
public static string PrettifyModePage_0E(byte[] pageResponse) =>
PrettifyModePage_0E(DecodeModePage_0E(pageResponse));
public static string PrettifyModePage_0E(ModePage_0E? modePage)
{
if(!modePage.HasValue)
return null;
ModePage_0E page = modePage.Value;
var sb = new StringBuilder();
sb.AppendLine(Localization.SCSI_CD_ROM_audio_control_parameters_page);
if(page.PS)
sb.AppendLine("\t" + Localization.Parameters_can_be_saved);
sb.AppendLine(page.Immed
? "\t" + Localization.Drive_will_return_from_playback_command_immediately
: "\t" + Localization.Drive_will_return_from_playback_command_when_playback_ends);
if(page.SOTC)
sb.AppendLine("\t" + Localization.Drive_will_stop_playback_on_track_end);
if(page.APRVal)
{
double blocks;
if(page.LBAFormat == 8)
blocks = page.BlocksPerSecondOfAudio * (1 / 256);
else
blocks = page.BlocksPerSecondOfAudio;
sb.AppendFormat("\t" + Localization.There_are_0_blocks_per_each_second_of_audio, blocks).AppendLine();
}
if(page.OutputPort0ChannelSelection > 0)
{
sb.Append("\t" + Localization.Output_port_0_has_channels);
if((page.OutputPort0ChannelSelection & 0x01) == 0x01)
sb.Append("0 ");
if((page.OutputPort0ChannelSelection & 0x02) == 0x02)
sb.Append("1 ");
if((page.OutputPort0ChannelSelection & 0x04) == 0x04)
sb.Append("2 ");
if((page.OutputPort0ChannelSelection & 0x08) == 0x08)
sb.Append("3 ");
switch(page.OutputPort0Volume)
{
case 0:
sb.AppendLine(Localization.muted);
break;
case 0xFF:
sb.AppendLine(Localization.at_maximum_volume);
break;
default:
sb.AppendFormat(Localization.at_volume_0, page.OutputPort0Volume).AppendLine();
break;
}
}
if(page.OutputPort1ChannelSelection > 0)
{
sb.Append("\t" + Localization.Output_port_1_has_channels);
if((page.OutputPort1ChannelSelection & 0x01) == 0x01)
sb.Append("0 ");
if((page.OutputPort1ChannelSelection & 0x02) == 0x02)
sb.Append("1 ");
if((page.OutputPort1ChannelSelection & 0x04) == 0x04)
sb.Append("2 ");
if((page.OutputPort1ChannelSelection & 0x08) == 0x08)
sb.Append("3 ");
switch(page.OutputPort1Volume)
{
case 0:
sb.AppendLine(Localization.muted);
break;
case 0xFF:
sb.AppendLine(Localization.at_maximum_volume);
break;
default:
sb.AppendFormat(Localization.at_volume_0, page.OutputPort1Volume).AppendLine();
break;
}
}
if(page.OutputPort2ChannelSelection > 0)
{
sb.Append("\t" + Localization.Output_port_2_has_channels);
if((page.OutputPort2ChannelSelection & 0x01) == 0x01)
sb.Append("0 ");
if((page.OutputPort2ChannelSelection & 0x02) == 0x02)
sb.Append("1 ");
if((page.OutputPort2ChannelSelection & 0x04) == 0x04)
sb.Append("2 ");
if((page.OutputPort2ChannelSelection & 0x08) == 0x08)
sb.Append("3 ");
switch(page.OutputPort2Volume)
{
case 0:
sb.AppendLine(Localization.muted);
break;
case 0xFF:
sb.AppendLine(Localization.at_maximum_volume);
break;
default:
sb.AppendFormat(Localization.at_volume_0, page.OutputPort2Volume).AppendLine();
break;
}
}
if(page.OutputPort3ChannelSelection <= 0)
return sb.ToString();
sb.Append("\t" + Localization.Output_port_3_has_channels);
if((page.OutputPort3ChannelSelection & 0x01) == 0x01)
sb.Append("0 ");
if((page.OutputPort3ChannelSelection & 0x02) == 0x02)
sb.Append("1 ");
if((page.OutputPort3ChannelSelection & 0x04) == 0x04)
sb.Append("2 ");
if((page.OutputPort3ChannelSelection & 0x08) == 0x08)
sb.Append("3 ");
switch(page.OutputPort3Volume)
{
case 0:
sb.AppendLine(Localization.muted);
break;
case 0xFF:
sb.AppendLine(Localization.at_maximum_volume);
break;
default:
sb.AppendFormat(Localization.at_volume_0, page.OutputPort3Volume).AppendLine();
break;
}
return sb.ToString();
}
#endregion Mode Page 0x0E: CD-ROM audio control parameters page
}