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This commit is contained in:
hbeham
740
ChanSort.Plugin.ScmFile/ScmSerializer.cs
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740
ChanSort.Plugin.ScmFile/ScmSerializer.cs
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@@ -0,0 +1,740 @@
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Reflection;
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using System.Text;
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using System.Linq;
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using System.Windows.Forms;
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using ChanSort.Api;
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using ICSharpCode.SharpZipLib.Zip;
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namespace ChanSort.Plugin.ScmFile
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{
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class ScmSerializer : SerializerBase
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{
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private readonly Dictionary<string, ModelConstants> modelConstants = new Dictionary<string, ModelConstants>();
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private readonly MappingPool<AnalogChannelDataMapping> analogMappings = new MappingPool<AnalogChannelDataMapping>("Analog");
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private readonly MappingPool<DvbCtChannelDataMapping> dvbctMappings = new MappingPool<DvbCtChannelDataMapping>("DVB-C/T");
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private readonly MappingPool<DvbSChannelDataMapping> dvbsMappings = new MappingPool<DvbSChannelDataMapping>("DVB-S");
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private readonly MappingPool<DvbSChannelDataMapping> hdplusMappings = new MappingPool<DvbSChannelDataMapping>("AstraHDPlus");
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private readonly MappingPool<DataMapping> analogFineTuneMappings = new MappingPool<DataMapping>("FineTune");
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private readonly ChannelList avbtChannels = new ChannelList(SignalSource.AnalogT, SignalType.Mixed);
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private readonly ChannelList avbcChannels = new ChannelList(SignalSource.AnalogC, SignalType.Mixed);
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private readonly ChannelList dvbcChannels = new ChannelList(SignalSource.DvbC, SignalType.Mixed);
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private readonly ChannelList dvbtChannels = new ChannelList(SignalSource.DvbT, SignalType.Mixed);
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private readonly ChannelList dvbsChannels = new ChannelList(SignalSource.DvbS, SignalType.Mixed);
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private readonly ChannelList hdplusChannels = new ChannelList(SignalSource.HdPlusD, SignalType.Mixed);
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private readonly Dictionary<int, decimal> avbtFrequency = new Dictionary<int, decimal>();
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private readonly Dictionary<int, decimal> avbcFrequency = new Dictionary<int, decimal>();
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private byte[] avbtFileContent;
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private byte[] avbcFileContent;
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private byte[] dvbtFileContent;
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private byte[] dvbcFileContent;
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private byte[] dvbsFileContent;
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private byte[] hdplusFileContent;
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private UnsortedChannelMode unsortedChannelMode;
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private ModelConstants c;
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#region ctor()
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public ScmSerializer(string inputFile) : base(inputFile)
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{
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this.ReadConfigurationFromIniFile();
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}
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#endregion
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#region DisplayName
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public override string DisplayName { get { return "Samsung *.scm Loader"; } }
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#endregion
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#region ReadConfigurationFromIniFile()
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private void ReadConfigurationFromIniFile()
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{
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string iniFile = Assembly.GetExecutingAssembly().Location.Replace(".dll", ".ini");
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IniFile ini = new IniFile(iniFile);
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foreach (var section in ini.Sections)
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{
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int idx = section.Name.IndexOf(":");
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int len=0;
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if (idx >= 0)
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int.TryParse(section.Name.Substring(idx + 1), out len);
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if (section.Name.StartsWith("Series:"))
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modelConstants.Add(section.Name, new ModelConstants(section));
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else if (section.Name.StartsWith("Analog:"))
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analogMappings.AddMapping(new AnalogChannelDataMapping(section, len));
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else if (section.Name.StartsWith("DvbCT:"))
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dvbctMappings.AddMapping(new DvbCtChannelDataMapping(section, len));
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else if (section.Name.StartsWith("DvbS:"))
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dvbsMappings.AddMapping(new DvbSChannelDataMapping(section, len));
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else if (section.Name.StartsWith("FineTune:"))
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analogFineTuneMappings.AddMapping(new DataMapping(section, len, null));
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else if (section.Name.StartsWith("AstraHDPlusD:"))
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hdplusMappings.AddMapping(new DvbSChannelDataMapping(section, len));
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}
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}
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#endregion
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#region Load()
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public override void Load()
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{
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using (ZipFile zip = new ZipFile(this.FileName))
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{
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DetectModelConstants(zip);
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DataRoot.SupportedFavorites = c.supportedFavorites;
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ReadAnalogFineTuning(zip);
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ReadAnalogChannels(zip, "map-AirA", this.avbtChannels, out this.avbtFileContent, this.avbtFrequency);
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ReadAnalogChannels(zip, "map-CableA", this.avbcChannels, out this.avbcFileContent, this.avbcFrequency);
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ReadDvbctChannels(zip, "map-AirD", this.dvbtChannels, out this.dvbtFileContent);
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ReadDvbctChannels(zip, "map-CableD", this.dvbcChannels, out this.dvbcFileContent);
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ReadSatellites(zip);
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ReadTransponder(zip, "TransponderDataBase.dat");
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ReadTransponder(zip, "UserTransponderDataBase.dat");
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ReadDvbsChannels(zip);
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ReadAstraHdPlusChannels(zip);
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}
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}
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#endregion
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#region DetectModelConstants()
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private void DetectModelConstants(ZipFile zip)
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{
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if (DetectModelFromCloneInfoFile(zip)) return;
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if (DetectModelFromContentFileLengths(zip)) return;
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if (DetectModelFromFileName()) return;
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throw new IOException("Unable to determine TV model from file content or name");
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}
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#endregion
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#region DetectModelFromFileName()
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private bool DetectModelFromFileName()
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{
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string file = Path.GetFileName(this.FileName);
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System.Text.RegularExpressions.Regex regex =
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new System.Text.RegularExpressions.Regex("channel_list_[A-Z]{2}[0-9]{2}([A-Z])[0-9A-Z]+_[0-9]+\\.scm");
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var match = regex.Match(file);
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if (match.Success)
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{
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string series = match.Groups[1].Value;
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if (this.modelConstants.TryGetValue("Series:" + series, out this.c))
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return true;
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}
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return false;
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}
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#endregion
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#region DetectModelFromCloneInfoFile()
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private bool DetectModelFromCloneInfoFile(ZipFile zip)
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{
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byte[] cloneInfo = ReadFileContent(zip, "CloneInfo");
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if (cloneInfo == null)
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{
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this.c = this.modelConstants["Series:B"];
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return true;
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}
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if (cloneInfo.Length >= 9)
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{
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char series = (char) cloneInfo[8];
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if (this.modelConstants.TryGetValue("Series:" + series, out this.c))
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return true;
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}
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return false;
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}
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#endregion
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#region DetectModelFromContentFileLengths()
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private bool DetectModelFromContentFileLengths(ZipFile zip)
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{
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string[] candidates = new[]
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{
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DetectModelFromAirAOrCableA(zip),
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DetectModelFromAirDOrCableD(zip),
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DetectModelFromSateD(zip),
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DetectModelFromTranspoderDatabase(zip)
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};
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string validCandidates = "BCDE";
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foreach (var candidateList in candidates)
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{
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if (candidateList == null)
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continue;
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string newValidCandidats = "";
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foreach (var candidate in candidateList)
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{
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if (validCandidates.Contains(candidate))
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newValidCandidats += candidate;
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}
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validCandidates = newValidCandidats;
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}
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if (validCandidates.Length != 1)
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return false;
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this.modelConstants.TryGetValue("Series:" + validCandidates, out this.c);
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return true;
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}
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#endregion
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#region DetectModelFromAirAOrCableA()
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private string DetectModelFromAirAOrCableA(ZipFile zip)
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{
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var entry = zip.GetEntry("map-AirA") ?? zip.GetEntry("map-CableA");
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if (entry == null)
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return null;
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var candidates = "";
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if (entry.Size % 28000 == 0)
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candidates += "B";
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if (entry.Size % 40000 == 0)
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candidates += "C";
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if (entry.Size % 64000 == 0)
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candidates += "DE";
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return candidates;
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}
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#endregion
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#region DetectModelFromAirDOrCableD()
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private string DetectModelFromAirDOrCableD(ZipFile zip)
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{
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var entry = zip.GetEntry("map-AirD") ?? zip.GetEntry("map-CableD");
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if (entry == null)
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return null;
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var candidates = "";
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if (entry.Size % 248 == 0)
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candidates += "B";
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if (entry.Size % 292 == 0)
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candidates += "C";
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if (entry.Size % 320 == 0)
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candidates += "DE";
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return candidates;
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}
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#endregion
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#region DetectModelFromSateD()
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private string DetectModelFromSateD(ZipFile zip)
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{
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var entry = zip.GetEntry("map-SateD");
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if (entry == null)
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return null;
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var candidates = "";
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if (entry.Size % 144 == 0)
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candidates += "BC";
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if (entry.Size % 172 == 0)
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candidates += "D";
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if (entry.Size % 168 == 0)
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candidates += "E";
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return candidates;
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}
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#endregion
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#region DetectModelFromTranspoderDatabase()
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private string DetectModelFromTranspoderDatabase(ZipFile zip)
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{
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var entry = zip.GetEntry("TransponderDatabase.dat");
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if (entry == null)
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return null;
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var size = entry.Size - 4;
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var candidates = "";
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if (size%49 == 0)
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candidates += "B";
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if (size%45 == 0)
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candidates += "CDE";
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return candidates;
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}
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#endregion
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#region ReadAnalogFineTuning()
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private unsafe void ReadAnalogFineTuning(ZipFile zip)
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{
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int entrySize = c.avbtFineTuneLength;
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if (entrySize == 0)
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return;
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byte[] data = ReadFileContent(zip, "FineTune");
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if (data == null)
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return;
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var mapping = analogFineTuneMappings.GetMapping(c.avbtFineTuneLength);
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fixed (byte* ptr = data)
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{
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mapping.DataPtr = ptr;
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int count = data.Length / mapping.DataLength;
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for (int i = 0; i < count; i++)
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{
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bool isCable = mapping.GetFlag("offIsCable", "maskIsCable"); // HACK: this is just a guess
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int slot = mapping.GetWord("offSlotNr");
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float freq = mapping.GetFloat("offFrequency");
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var dict = isCable ? avbcFrequency : avbtFrequency;
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dict[slot] = (decimal)freq;
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mapping.Next();
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}
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}
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}
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#endregion
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#region ReadAnalogChannels()
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private unsafe void ReadAnalogChannels(ZipFile zip, string fileName, ChannelList list, out byte[] data, Dictionary<int,decimal> freq)
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{
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data = null;
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int entrySize = c.avbtChannelLength;
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if (entrySize == 0)
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return;
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data = ReadFileContent(zip, fileName);
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if (data == null)
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return;
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this.DataRoot.AddChannelList(list);
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fixed (byte* ptr = data)
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{
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var rawChannel = analogMappings.GetMapping(entrySize);
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rawChannel.DataPtr = ptr;
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int count = data.Length / entrySize;
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for (int slotIndex = 0; slotIndex < count; slotIndex++)
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{
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MapAnalogChannel(rawChannel, slotIndex, list, freq);
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rawChannel.DataPtr += entrySize;
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}
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}
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}
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#endregion
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#region MapAnalogChannel()
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private unsafe void MapAnalogChannel(AnalogChannelDataMapping rawChannel, int slotIndex, ChannelList list, Dictionary<int,decimal> freq)
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{
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if (!rawChannel.InUse)
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return;
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if (rawChannel.Checksum != CalcChecksum(rawChannel.DataPtr, c.avbtChannelLength))
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this.DataRoot.Warnings.AppendFormat("{0}: Incorrect checksum for channel index {1}\r\n", list, slotIndex);
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ChannelInfo ci = new ChannelInfo(list.SignalSource, list.SignalType, slotIndex, rawChannel.ProgramNr, rawChannel.Name);
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ci.FreqInMhz = (decimal)Math.Round(rawChannel.Frequency, 2);
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if (ci.FreqInMhz == 0)
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ci.FreqInMhz = freq.TryGet(ci.RecordIndex);
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if (ci.FreqInMhz == 0)
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ci.FreqInMhz = slotIndex;
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ci.Lock = rawChannel.Lock;
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ci.Skip = rawChannel.Skip;
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ci.Favorites = rawChannel.Favorites;
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this.DataRoot.AddChannel(list, ci);
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}
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#endregion
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#region ReadDvbctChannels()
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private unsafe void ReadDvbctChannels(ZipFile zip, string fileName, ChannelList list, out byte[] data)
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{
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data = null;
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int entrySize = c.dvbtChannelLength;
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if (entrySize == 0)
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return;
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data = ReadFileContent(zip, fileName);
|
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if (data == null)
|
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return;
|
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this.DataRoot.AddChannelList(list);
|
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fixed (byte* ptr = data)
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{
|
||||
DvbCtChannelDataMapping rawChannel = dvbctMappings.GetMapping(entrySize);
|
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rawChannel.DataPtr = ptr;
|
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int count = data.Length / entrySize;
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for (int slotIndex = 0; slotIndex < count; slotIndex++)
|
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{
|
||||
MapDvbctChannel(rawChannel, slotIndex, list);
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rawChannel.Next();
|
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}
|
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}
|
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}
|
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#endregion
|
||||
|
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#region MapDvbctChannel()
|
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private unsafe void MapDvbctChannel(DvbCtChannelDataMapping rawChannel, int slotIndex, ChannelList list)
|
||||
{
|
||||
if (rawChannel.ProgramNr == 0)
|
||||
return;
|
||||
if (rawChannel.Checksum != CalcChecksum(rawChannel.DataPtr, rawChannel.DataLength))
|
||||
this.DataRoot.Warnings.AppendFormat("{0}: Incorrect checksum for channel index {1}\r\n", list, slotIndex);
|
||||
|
||||
ChannelInfo ci = new ChannelInfo(list.SignalSource, list.SignalType, slotIndex, rawChannel.ProgramNr, rawChannel.Name);
|
||||
ci.VideoPid = rawChannel.VideoPid;
|
||||
ci.ServiceId = rawChannel.ServiceId;
|
||||
ci.ServiceType = rawChannel.ServiceType;
|
||||
ci.TransportStreamId = rawChannel.TransportStreamId;
|
||||
ci.FreqInMhz = LookupData.Instance.GetDvbtTransponderFrequency(rawChannel.ChannelOrTransponder);
|
||||
ci.OriginalNetworkId = rawChannel.OriginalNetworkId;
|
||||
ci.Favorites = rawChannel.Favorites;
|
||||
ci.Lock = rawChannel.Lock;
|
||||
ci.ShortName = rawChannel.ShortName;
|
||||
ci.SymbolRate = rawChannel.SymbolRate;
|
||||
ci.Encrypted = rawChannel.Encrypted;
|
||||
ci.ChannelOrTransponder = rawChannel.ChannelOrTransponder.ToString();
|
||||
|
||||
this.DataRoot.AddChannel(list, ci);
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
|
||||
#region ReadSatellites()
|
||||
private unsafe void ReadSatellites(ZipFile zip)
|
||||
{
|
||||
byte[] data = ReadFileContent(zip, "SatDataBase.dat");
|
||||
if (data == null)
|
||||
return;
|
||||
|
||||
var utf16Encoding = new UnicodeEncoding(false, false);
|
||||
fixed (byte* ptr = data)
|
||||
{
|
||||
int count = data.Length/this.c.dvbsSatelliteLength;
|
||||
for (int i = 0; i < count; i++)
|
||||
{
|
||||
SatDataBase* sat = (SatDataBase*)(ptr + 4 + i * this.c.dvbsSatelliteLength);
|
||||
if (sat->Magic0x55 != 0x55)
|
||||
throw new IOException("Unknown SatDataBase.dat format");
|
||||
string name = utf16Encoding.GetString((byte*)sat->Name, 64*2);
|
||||
string location = string.Format("{0}.{1}{2}", sat->LongitudeTimes10/10, sat->LongitudeTimes10%10, sat->IsWest != 0 ? "W" : "E");
|
||||
|
||||
Satellite satellite = new Satellite(sat->SatelliteNr);
|
||||
satellite.Name = name;
|
||||
satellite.OrbitalPosition = location;
|
||||
this.DataRoot.Satellites.Add(sat->SatelliteNr, satellite);
|
||||
}
|
||||
}
|
||||
}
|
||||
#endregion
|
||||
|
||||
#region ReadTransponder()
|
||||
|
||||
private unsafe void ReadTransponder(ZipFile zip, string fileName)
|
||||
{
|
||||
byte[] data = ReadFileContent(zip, fileName);
|
||||
if (data == null)
|
||||
return;
|
||||
|
||||
fixed (byte* ptr = data)
|
||||
{
|
||||
int count = data.Length/c.dvbsTransponderLength;
|
||||
for (int i=0; i<count; i++)
|
||||
{
|
||||
int baseOffset = 4 + i*c.dvbsTransponderLength;
|
||||
TransponderDataBase* trans = (TransponderDataBase*) (ptr + baseOffset);
|
||||
if (trans->Magic0x55 == 0)
|
||||
continue;
|
||||
|
||||
if (trans->TransponderNr == 0)
|
||||
continue;
|
||||
|
||||
var sat = this.DataRoot.Satellites.TryGet(trans->SatelliteNr);
|
||||
if (sat == null)
|
||||
{
|
||||
DataRoot.Warnings.Append(string.Format("Transponder #{0} references invalid satellite #{1}",
|
||||
trans->TransponderNr, trans->SatelliteNr));
|
||||
continue;
|
||||
}
|
||||
Transponder transponder = new Transponder(trans->TransponderNr);
|
||||
transponder.FrequencyInMhz = (uint) (trans->Frequency/1000);
|
||||
transponder.Polarity = trans->IsVerticalPolarity == 1 ? 'V' : 'H';
|
||||
transponder.SymbolRate = trans->SymbolRate/1000;
|
||||
this.DataRoot.AddTransponder(sat, transponder);
|
||||
}
|
||||
}
|
||||
}
|
||||
#endregion
|
||||
|
||||
#region ReadDvbsChannels()
|
||||
private unsafe void ReadDvbsChannels(ZipFile zip)
|
||||
{
|
||||
this.dvbsFileContent = ReadFileContent(zip, "map-SateD");
|
||||
if (this.dvbsFileContent == null)
|
||||
return;
|
||||
|
||||
this.DataRoot.AddChannelList(this.dvbsChannels);
|
||||
fixed (byte* ptr = this.dvbsFileContent)
|
||||
{
|
||||
int entrySize = c.dvbsChannelLength;
|
||||
int count = this.dvbsFileContent.Length/entrySize;
|
||||
DvbSChannelDataMapping mapping = dvbsMappings.GetMapping(entrySize);
|
||||
mapping.DataPtr = ptr;
|
||||
for (int slotIndex = 0; slotIndex < count; slotIndex++)
|
||||
{
|
||||
MapDvbsChannel(this.dvbsChannels, mapping, slotIndex);
|
||||
mapping.Next();
|
||||
}
|
||||
}
|
||||
}
|
||||
#endregion
|
||||
|
||||
#region MapDvbsChannel()
|
||||
private void MapDvbsChannel(ChannelList channelList, DvbSChannelDataMapping rawChannel, int slotIndex)
|
||||
{
|
||||
if (!rawChannel.InUse)
|
||||
return;
|
||||
|
||||
Transponder transponder = this.DataRoot.Transponder.TryGet(rawChannel.TransponderNr);
|
||||
Satellite satellite = transponder == null ? null : transponder.Satellite;
|
||||
string satPosition = satellite != null ? satellite.OrbitalPosition : "#" + rawChannel.SatelliteNr;
|
||||
|
||||
string satName = satellite != null ? satellite.Name : null;
|
||||
|
||||
ChannelInfo ci = new ChannelInfo(channelList.SignalSource, SignalType.Mixed, slotIndex, rawChannel.ProgramNr, rawChannel.Name);
|
||||
ci.Satellite = satName;
|
||||
ci.SatPosition = satPosition;
|
||||
ci.VideoPid = rawChannel.VideoPid;
|
||||
ci.ServiceId = rawChannel.ServiceId;
|
||||
ci.ServiceType = rawChannel.ServiceType;
|
||||
ci.TransportStreamId = rawChannel.TransportStreamId;
|
||||
ci.OriginalNetworkId = rawChannel.OriginalNetworkId;
|
||||
ci.Favorites = rawChannel.Favorites;
|
||||
ci.Encrypted = rawChannel.Encrypted;
|
||||
ci.Lock = rawChannel.Lock;
|
||||
ci.ShortName = rawChannel.ShortName;
|
||||
|
||||
if (transponder != null)
|
||||
{
|
||||
ci.Transponder = transponder;
|
||||
ci.FreqInMhz = transponder.FrequencyInMhz;
|
||||
ci.ChannelOrTransponder = this.GetTransponderChannelNumber((ushort)transponder.FrequencyInMhz);
|
||||
ci.SymbolRate = transponder.SymbolRate;
|
||||
ci.Polarity = transponder.Polarity;
|
||||
}
|
||||
|
||||
this.DataRoot.AddChannel(channelList, ci);
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
#region GetTransponderChannelNumber()
|
||||
private string GetTransponderChannelNumber(ushort frequency)
|
||||
{
|
||||
int nr = LookupData.Instance.GetTransponderNumber(frequency);
|
||||
return nr <= 0 ? "" : nr.ToString("d3");
|
||||
}
|
||||
#endregion
|
||||
|
||||
|
||||
#region ReadAstraHdPlusChannels()
|
||||
private unsafe void ReadAstraHdPlusChannels(ZipFile zip)
|
||||
{
|
||||
this.hdplusFileContent = ReadFileContent(zip, "map-AstraHDPlusD");
|
||||
if (hdplusFileContent == null || c.hdplusChannelLength == 0)
|
||||
return;
|
||||
|
||||
this.DataRoot.AddChannelList(this.hdplusChannels);
|
||||
fixed (byte* ptr = hdplusFileContent)
|
||||
{
|
||||
int entrySize = c.hdplusChannelLength;
|
||||
int count = hdplusFileContent.Length / entrySize;
|
||||
DvbSChannelDataMapping mapping = hdplusMappings.GetMapping(entrySize);
|
||||
mapping.DataPtr = ptr;
|
||||
for (int slotIndex = 0; slotIndex < count; slotIndex++)
|
||||
{
|
||||
MapDvbsChannel(this.hdplusChannels, mapping, slotIndex);
|
||||
mapping.Next();
|
||||
}
|
||||
}
|
||||
}
|
||||
#endregion
|
||||
|
||||
|
||||
#region ReadFileContent()
|
||||
private static byte[] ReadFileContent(ZipFile zip, string fileName)
|
||||
{
|
||||
var entry = zip.GetEntry(fileName);
|
||||
if (entry == null)
|
||||
return null;
|
||||
byte[] data = new byte[entry.Size];
|
||||
using (var stream = zip.GetInputStream(entry))
|
||||
{
|
||||
stream.Read(data, 0, data.Length);
|
||||
}
|
||||
return data;
|
||||
}
|
||||
#endregion
|
||||
|
||||
|
||||
private unsafe delegate void UpdateFunc(ChannelInfo channelInfo, byte* fileContent);
|
||||
|
||||
#region Save()
|
||||
public override unsafe void Save(string tvOutputFile, string csvOutputFile, UnsortedChannelMode unsortedMode)
|
||||
{
|
||||
this.unsortedChannelMode = unsortedMode;
|
||||
if (tvOutputFile != this.FileName)
|
||||
{
|
||||
File.Copy(this.FileName, tvOutputFile);
|
||||
this.FileName = tvOutputFile;
|
||||
}
|
||||
using (ZipFile zip = new ZipFile(tvOutputFile))
|
||||
{
|
||||
zip.BeginUpdate();
|
||||
this.SaveChannels(zip, "map-AirA", this.avbtChannels, this.UpdateAnalogChannel, ref this.avbtFileContent);
|
||||
this.SaveChannels(zip, "map-CableA", this.avbcChannels, this.UpdateAnalogChannel, ref this.avbcFileContent);
|
||||
this.SaveChannels(zip, "map-AirD", this.dvbtChannels, this.UpdateDvbctChannel, ref this.dvbtFileContent);
|
||||
this.SaveChannels(zip, "map-CableD", this.dvbcChannels, this.UpdateDvbctChannel, ref this.dvbcFileContent);
|
||||
this.SaveChannels(zip, "map-SateD", this.dvbsChannels, this.UpdateDvbsChannel, ref this.dvbsFileContent);
|
||||
this.SaveChannels(zip, "map-AstraHDPlusD", this.hdplusChannels, this.UpdateHdPlusChannel, ref this.hdplusFileContent);
|
||||
zip.CommitUpdate();
|
||||
}
|
||||
}
|
||||
#endregion
|
||||
|
||||
#region SaveChannels()
|
||||
private unsafe void SaveChannels(ZipFile zip, string fileName, ChannelList channels, UpdateFunc updateChannel, ref byte[] fileContent)
|
||||
{
|
||||
if (fileContent == null)
|
||||
return;
|
||||
zip.Delete(fileName);
|
||||
|
||||
string tempFilePath = Path.GetTempFileName();
|
||||
using (var stream = new FileStream(tempFilePath, FileMode.OpenOrCreate, FileAccess.ReadWrite))
|
||||
{
|
||||
this.WriteChannels(channels, updateChannel, fileContent, stream);
|
||||
stream.Flush();
|
||||
stream.Seek(0, SeekOrigin.Begin);
|
||||
int size = (int)new FileInfo(tempFilePath).Length;
|
||||
fileContent = new byte[size];
|
||||
stream.Read(fileContent, 0, size);
|
||||
}
|
||||
|
||||
zip.Add(tempFilePath, fileName);
|
||||
}
|
||||
#endregion
|
||||
|
||||
#region WriteChannels()
|
||||
private unsafe void WriteChannels(ChannelList list, UpdateFunc updateChannel, byte[] fileContent, FileStream stream)
|
||||
{
|
||||
fixed (byte* ptr = fileContent)
|
||||
{
|
||||
int maxSlot = 0;
|
||||
foreach (var channel in list.Channels.OrderBy(ChannelComparer))
|
||||
{
|
||||
if (channel.RecordIndex < 0) // channel only exists in reference list
|
||||
continue;
|
||||
|
||||
int newProgNr;
|
||||
if (channel.NewProgramNr == 0 && this.unsortedChannelMode == UnsortedChannelMode.Hide)
|
||||
newProgNr = 0;
|
||||
else
|
||||
{
|
||||
newProgNr = channel.NewProgramNr != 0 ? channel.NewProgramNr : ++maxSlot;
|
||||
if (newProgNr > maxSlot)
|
||||
maxSlot = channel.NewProgramNr;
|
||||
}
|
||||
|
||||
var channels = new List<ChannelInfo>();
|
||||
channels.Add(channel);
|
||||
channels.AddRange(channel.Duplicates);
|
||||
foreach (var channelInstance in channels)
|
||||
{
|
||||
channelInstance.OldProgramNr = newProgNr;
|
||||
updateChannel(channelInstance, ptr);
|
||||
}
|
||||
}
|
||||
|
||||
stream.Write(fileContent, 0, fileContent.Length);
|
||||
#if false
|
||||
if (count == 0 || count%padToPageSize != 0)
|
||||
{
|
||||
byte[] padding = new byte[(padToPageSize - count%padToPageSize) * entrySize];
|
||||
stream.Write(padding, 0, padding.Length);
|
||||
}
|
||||
#endif
|
||||
}
|
||||
}
|
||||
#endregion
|
||||
|
||||
#region UpdateAnalogChannel()
|
||||
private unsafe void UpdateAnalogChannel(ChannelInfo channel, byte* ptr)
|
||||
{
|
||||
AnalogChannelDataMapping raw = analogMappings.GetMapping(c.avbtChannelLength);
|
||||
int startOffset = channel.RecordIndex * raw.DataLength;
|
||||
raw.DataPtr = ptr + startOffset;
|
||||
raw.ProgramNr = (ushort)channel.OldProgramNr;
|
||||
raw.Favorites = channel.Favorites;
|
||||
raw.Lock = channel.Lock;
|
||||
raw.Checksum = CalcChecksum(raw.DataPtr, raw.DataLength);
|
||||
}
|
||||
#endregion
|
||||
|
||||
#region UpdateDvbctChannel()
|
||||
private unsafe void UpdateDvbctChannel(ChannelInfo channel, byte* ptr)
|
||||
{
|
||||
DvbCtChannelDataMapping raw = dvbctMappings.GetMapping(c.dvbtChannelLength);
|
||||
int startOffset = channel.RecordIndex * raw.DataLength;
|
||||
raw.DataPtr = ptr + startOffset;
|
||||
raw.ProgramNr = (ushort)channel.OldProgramNr;
|
||||
raw.Favorites = channel.Favorites;
|
||||
raw.Lock = channel.Lock;
|
||||
raw.Checksum = CalcChecksum(raw.DataPtr, raw.DataLength);
|
||||
}
|
||||
#endregion
|
||||
|
||||
#region UpdateDvbsChannel()
|
||||
private unsafe void UpdateDvbsChannel(ChannelInfo channel, byte* ptr)
|
||||
{
|
||||
DvbSChannelDataMapping raw = dvbsMappings.GetMapping(c.dvbsChannelLength);
|
||||
int startOffset = channel.RecordIndex*raw.DataLength;
|
||||
raw.DataPtr = (ptr + startOffset);
|
||||
raw.ProgramNr = (ushort)channel.OldProgramNr;
|
||||
raw.Favorites = channel.Favorites;
|
||||
raw.Lock = channel.Lock;
|
||||
raw.Checksum = CalcChecksum(raw.DataPtr, raw.DataLength);
|
||||
}
|
||||
#endregion
|
||||
|
||||
#region UpdateHdPlusChannel()
|
||||
private unsafe void UpdateHdPlusChannel(ChannelInfo channel, byte* ptr)
|
||||
{
|
||||
DvbSChannelDataMapping raw = hdplusMappings.GetMapping(c.hdplusChannelLength);
|
||||
int startOffset = channel.RecordIndex * raw.DataLength;
|
||||
raw.DataPtr = (ptr + startOffset);
|
||||
raw.ProgramNr = (ushort)channel.OldProgramNr;
|
||||
raw.Favorites = channel.Favorites;
|
||||
raw.Lock = channel.Lock;
|
||||
raw.Checksum = CalcChecksum(raw.DataPtr, raw.DataLength);
|
||||
}
|
||||
#endregion
|
||||
|
||||
#region CalcChecksum()
|
||||
private static unsafe byte CalcChecksum(byte* ptr, int length)
|
||||
{
|
||||
byte checksum = 0;
|
||||
for (int i = 1; i < length; i++)
|
||||
checksum += *ptr++;
|
||||
return checksum;
|
||||
}
|
||||
#endregion
|
||||
|
||||
#region ChannelComparer()
|
||||
private string ChannelComparer(ChannelInfo channel)
|
||||
{
|
||||
if (channel.NewProgramNr != 0)
|
||||
return "A" + channel.NewProgramNr.ToString("d4");
|
||||
if (channel.OldProgramNr != 0)
|
||||
{
|
||||
if (this.unsortedChannelMode == UnsortedChannelMode.AppendInOrder)
|
||||
return "B" + channel.OldProgramNr.ToString("d4");
|
||||
return "B" + channel.Name;
|
||||
}
|
||||
return "Z";
|
||||
}
|
||||
#endregion
|
||||
|
||||
public override void ShowDeviceSettingsForm(object parentWindow)
|
||||
{
|
||||
MessageBox.Show((Form) parentWindow, "Sorry, ChanSort currently doesn't support any settings for your TV model.",
|
||||
"Device Settings",
|
||||
MessageBoxButtons.OK, MessageBoxIcon.Information);
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user