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;
ModePage_0E 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(ModePage_0E?modePage)
{
if (!modePage.HasValue)
{
return(null);
}
ModePage_0E page = modePage.Value;
var sb = new StringBuilder();
sb.AppendLine("SCSI CD-ROM audio control parameters page:");
if (page.PS)
{
sb.AppendLine("\tParameters can be saved");
}
sb.AppendLine(page.Immed ? "\tDrive will return from playback command immediately"
: "\tDrive will return from playback command when playback ends");
if (page.SOTC)
{
sb.AppendLine("\tDrive 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("\tThere are {0} blocks per each second of audio", blocks).AppendLine();
}
if (page.OutputPort0ChannelSelection > 0)
{
sb.Append("\tOutput 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("muted");
break;
case 0xFF:
sb.AppendLine("at maximum volume");
break;
default:
sb.AppendFormat("at volume {0}", page.OutputPort0Volume).AppendLine();
break;
}
}
if (page.OutputPort1ChannelSelection > 0)
{
sb.Append("\tOutput 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("muted");
break;
case 0xFF:
sb.AppendLine("at maximum volume");
break;
default:
sb.AppendFormat("at volume {0}", page.OutputPort1Volume).AppendLine();
break;
}
}
if (page.OutputPort2ChannelSelection > 0)
{
sb.Append("\tOutput 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("muted");
break;
case 0xFF:
sb.AppendLine("at maximum volume");
break;
default:
sb.AppendFormat("at volume {0}", page.OutputPort2Volume).AppendLine();
break;
}
}
if (page.OutputPort3ChannelSelection <= 0)
{
return(sb.ToString());
}
sb.Append("\tOutput 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("muted");
break;
case 0xFF:
sb.AppendLine("at maximum volume");
break;
default:
sb.AppendFormat("at volume {0}", page.OutputPort3Volume).AppendLine();
break;
}
return(sb.ToString());
}