private void ReadDvbsChannels(string zip, string filename, ChannelList channels, out byte[] fileContent, int entrySize)
        {
            fileContent = ReadFileContent(zip, filename);
            if (fileContent == null)
            {
                return;
            }

            this.DataRoot.AddChannelList(channels);
            int         count   = fileContent.Length / entrySize;
            DataMapping mapping = dvbsMappings.GetMapping(entrySize);

            channels.MaxChannelNameLength = mapping.Settings.GetInt("lenName") / 2;
            mapping.SetDataPtr(fileContent, 0);
            for (int slotIndex = 0; slotIndex < count; slotIndex++)
            {
                SatChannel ci = new SatChannel(slotIndex, channels.SignalSource, mapping, this.DataRoot, c.SortedFavorites, this.serviceProviderNames);
                if (ci.InUse)
                {
                    this.DataRoot.AddChannel(channels, ci);
                }

                mapping.BaseOffset += entrySize;
            }
        }
        private void ReadAstraHdPlusChannels(string zip)
        {
            this.hdplusFileContent = ReadFileContent(zip, "map-AstraHDPlusD");
            if (hdplusFileContent == null || c.hdplusChannelLength == 0)
            {
                return;
            }

            this.DataRoot.AddChannelList(this.hdplusChannels);
            int         entrySize = c.hdplusChannelLength;
            int         count     = hdplusFileContent.Length / entrySize;
            DataMapping mapping   = hdplusMappings.GetMapping(entrySize);

            mapping.SetDataPtr(hdplusFileContent, 0);
            for (int slotIndex = 0; slotIndex < count; slotIndex++)
            {
                SatChannel ci = new SatChannel(slotIndex, SignalSource.AstraHdPlus, mapping, this.DataRoot, c.SortedFavorites, this.serviceProviderNames);
                if (ci.InUse)
                {
                    this.DataRoot.AddChannel(this.hdplusChannels, ci);
                }
                mapping.BaseOffset += entrySize;
            }
        }