private void RelocateChannelData(SatChannel channel, ref int prevChannelOrderId,
byte[] sortedChannels, ref int removed, ref int prevTransponderIndex, ref int counter,
ref SatTransponder currentTransponder)
{
if (RemoveChannelIfDupe(channel, ref prevChannelOrderId, ref removed))
return;
UpdateChannelIndexInTransponderData(channel, ref prevTransponderIndex, counter, ref currentTransponder);
Tools.MemCopy(
channel.RawDataBuffer,
channel.RawDataOffset,
sortedChannels,
counter*satConfig.dvbsChannelLength,
satConfig.dvbsChannelLength);
channel.RecordIndex = counter++;
channel.baseOffset = this.dvbsBlockOffset + satConfig.ChannelListOffset + (int)channel.RecordIndex*satConfig.dvbsChannelLength;
}
private void UpdateChannelIndexInTransponderData(SatChannel channel, ref int prevTransponderIndex, int counter,
ref SatTransponder transponder)
{
if (channel.Transponder.Id == prevTransponderIndex)
return;
if (transponder != null)
{
transponder.LastChannelIndex = counter - 1;
transponder.ChannelCount = counter - transponder.FirstChannelIndex;
}
transponder = (SatTransponder)channel.Transponder;
transponder.FirstChannelIndex = counter;
prevTransponderIndex = channel.Transponder.Id;
}
private void ReadTransponderData(ref int off)
{
dvbsSymbolRateFactor = 1;
var dvbsSymbolRateMask = 0x7FFFF;
var mapping = GetTransponderMapping();
for (int i=0; i<satConfig.transponderCount; i++)
{
mapping.SetDataPtr(this.fileContent, off + i*satConfig.transponderLength);
SatTransponder transponder = new SatTransponder(i, mapping, this.DataRoot, this.satConfig.satIndexFactor);
if (transponder.Satellite == null)
continue;
if ((transponder.SymbolRate & 0x7FFF) == 11000)
dvbsSymbolRateFactor = 2;
else if (transponder.SymbolRate == 44000)
{
dvbsSymbolRateMask = 0xFFFF;
dvbsSymbolRateFactor = 0.5m;
}
var sat = transponder.Satellite;
this.DataRoot.AddTransponder(sat, transponder);
}
if (dvbsSymbolRateFactor != 1)
{
foreach (var transponder in this.DataRoot.Transponder.Values)
{
int symbolRate = transponder.SymbolRate & dvbsSymbolRateMask;
transponder.SymbolRate = (int) (symbolRate*dvbsSymbolRateFactor);
}
}
off += this.satConfig.transponderCount * this.satConfig.transponderLength;
}