public void OnModulationMode(AtscTransmissionMedium transmissionMedium, byte index, TransmissionSystem transmissionSystem,
BinaryConvolutionCodeRate innerCodingMode, bool isSplitBitstreamMode, ModulationType modulationFormat, int symbolRate)
{
if (transmissionMedium != AtscTransmissionMedium.Cable)
{
return;
}
_modulationModes[index] = modulationFormat;
}
public void OnModulationMode(AtscTransmissionMedium transmissionMedium, byte index, TransmissionSystem transmissionSystem,
BinaryConvolutionCodeRate innerCodingMode, bool isSplitBitstreamMode, ModulationType modulationFormat, int symbolRate)
{
if (transmissionMedium != AtscTransmissionMedium.Cable)
{
return;
}
_modulationModes[index] = modulationFormat;
}
private void DecodeModulationMode(byte[] section, int endOfSection, ref int pointer, ref byte firstIndex, AtscTransmissionMedium transmissionMedium)
{
if (pointer + 6 > endOfSection)
{
throw new Exception(string.Format("NIT: corruption detected at modulation mode, pointer = {0}, end of section = {1}", pointer, endOfSection));
}
TransmissionSystem transmissionSystem = (TransmissionSystem)(section[pointer] >> 4);
BinaryConvolutionCodeRate innerCodingMode = BinaryConvolutionCodeRate.RateNotDefined;
switch (section[pointer] & 0x0f)
{
case 0:
innerCodingMode = BinaryConvolutionCodeRate.Rate5_11;
break;
case 1:
innerCodingMode = BinaryConvolutionCodeRate.Rate1_2;
break;
case 3:
innerCodingMode = BinaryConvolutionCodeRate.Rate3_5;
break;
case 5:
innerCodingMode = BinaryConvolutionCodeRate.Rate2_3;
break;
case 7:
innerCodingMode = BinaryConvolutionCodeRate.Rate3_4;
break;
case 8:
innerCodingMode = BinaryConvolutionCodeRate.Rate4_5;
break;
case 9:
innerCodingMode = BinaryConvolutionCodeRate.Rate5_6;
break;
case 11:
innerCodingMode = BinaryConvolutionCodeRate.Rate7_8;
break;
case 15:
// concatenated coding not used
innerCodingMode = BinaryConvolutionCodeRate.RateNotSet;
break;
}
pointer++;
bool isSplitBitstreamMode = ((section[pointer] & 0x80) != 0);
ModulationType modulationFormat = ModulationType.ModNotSet;
switch (section[pointer] & 0x1f)
{
case 1:
modulationFormat = ModulationType.ModQpsk;
break;
case 2:
modulationFormat = ModulationType.ModBpsk;
break;
case 3:
modulationFormat = ModulationType.ModOqpsk;
break;
case 4:
modulationFormat = ModulationType.Mod8Vsb;
break;
case 5:
modulationFormat = ModulationType.Mod16Vsb;
break;
case 6:
modulationFormat = ModulationType.Mod16Qam;
break;
case 7:
modulationFormat = ModulationType.Mod32Qam;
break;
case 8:
modulationFormat = ModulationType.Mod64Qam;
break;
case 9:
modulationFormat = ModulationType.Mod80Qam;
break;
case 10:
modulationFormat = ModulationType.Mod96Qam;
break;
case 11:
modulationFormat = ModulationType.Mod112Qam;
break;
case 12:
modulationFormat = ModulationType.Mod128Qam;
break;
case 13:
modulationFormat = ModulationType.Mod160Qam;
break;
case 14:
modulationFormat = ModulationType.Mod192Qam;
break;
case 15:
modulationFormat = ModulationType.Mod224Qam;
break;
case 16:
modulationFormat = ModulationType.Mod256Qam;
break;
case 17:
modulationFormat = ModulationType.Mod320Qam;
break;
case 18:
modulationFormat = ModulationType.Mod384Qam;
break;
case 19:
modulationFormat = ModulationType.Mod448Qam;
break;
case 20:
modulationFormat = ModulationType.Mod512Qam;
break;
case 21:
modulationFormat = ModulationType.Mod640Qam;
break;
case 22:
modulationFormat = ModulationType.Mod768Qam;
break;
case 23:
modulationFormat = ModulationType.Mod896Qam;
break;
case 24:
modulationFormat = ModulationType.Mod1024Qam;
break;
}
pointer++;
// s/s
int symbolRate = ((section[pointer] & 0x0f) << 24) + (section[pointer + 1] << 16) + (section[pointer + 2] << 8) + section[pointer + 3];
pointer += 4;
Log.Log.Debug("NIT: modulation mode, transmission system = {0}, inner coding mode = {1}, is split bitstream mode = {2}, modulation format = {3}, symbol rate = {4} s/s",
transmissionSystem, innerCodingMode, isSplitBitstreamMode, modulationFormat, symbolRate);
if (OnModulationMode != null)
{
OnModulationMode(transmissionMedium, firstIndex++, transmissionSystem, innerCodingMode, isSplitBitstreamMode, modulationFormat, symbolRate);
}
}
public override double FindBreakdownFuel(double averageSpeed)
{
return(base.FindBreakdownFuel(averageSpeed) * TransmissionSystem.GetCoefficient(transmission_brand));
}
