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- added support for .DBM file (for now only the TechniSat DVB-C version)

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This commit is contained in:
Horst Beham
2023-01-05 17:40:37 +01:00
parent e27087e6e4
commit 7a7e510c5d
7 changed files with 386 additions and 2 deletions
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27
source/ChanSort.Loader.DBM/ChanSort.Loader.DBM.csproj Normal file
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@@ -0,0 +1,27 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net48</TargetFramework>
<LangVersion>latest</LangVersion>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x86'">
<OutputPath>..\Debug\</OutputPath>
<CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x86'">
<OutputPath>..\Release\</OutputPath>
<CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
</PropertyGroup>
<ItemGroup>
<ProjectReference Include="..\ChanSort.Api\ChanSort.Api.csproj" />
</ItemGroup>
<ItemGroup>
<None Update="ChanSort.Loader.DBM.ini">
<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
</None>
</ItemGroup>
</Project>

33
source/ChanSort.Loader.DBM/ChanSort.Loader.DBM.ini Normal file
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@@ -0,0 +1,33 @@
[dbm:163772]
isDvbS=false
offChecksum=0x0000
offDataLength=0x0002
offData=0x0006
offTransponderBitmap=0x0006
lenTransponderBitmap=16
offTransponderData=0x0016
numTransponder=100
lenTransponderData=36
offChannelBitmap=0x0E3C
lenChannelBitmap=126
offChannelData=0x0EBA
numChannel=1000
lenChannelData=160
[transponder:163772]
offFreq=0
offSymRate=8
[channel:163772]
offName=0
lenName=64
offProgNr=64
offLcn=66
offTransponderIndex=70
offTsid=96
offOnid=98
offSid=100
offPcrPid=104
offVideoPid=106

22
source/ChanSort.Loader.DBM/DbmPlugin.cs Normal file
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@@ -0,0 +1,22 @@
using ChanSort.Api;
namespace ChanSort.Loader.DBM
{
public class DbmPlugin : ISerializerPlugin
{
/*
* Various brands use variations of an underlying .DBM binary file format for DVB-C and DVB-S tuners.
*
* Known models include Xoro, TechniSat, ...
*/
public string DllName { get; set; }
public string PluginName => "DBM (Xoro, TechniSat, ...)";
public string FileFilter => "*.dbm";
public SerializerBase CreateSerializer(string inputFile)
{
return new DbmSerializer(inputFile);
}
}
}

217
source/ChanSort.Loader.DBM/DbmSerializer.cs Normal file
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@@ -0,0 +1,217 @@
using System;
using System.IO;
using System.Reflection;
using System.Text;
using ChanSort.Api;
namespace ChanSort.Loader.DBM
{
/*
*/
public class DbmSerializer : SerializerBase
{
private readonly IniFile ini;
private IniFile.Section sec;
private DataMapping mapping;
private readonly ChannelList allChannels = new ChannelList(SignalSource.All, "All");
private byte[] data;
private int fileSize;
private readonly StringBuilder logMessages = new StringBuilder();
#region ctor()
public DbmSerializer(string inputFile) : base(inputFile)
{
this.Features.ChannelNameEdit = ChannelNameEditMode.None;
this.Features.CanSkipChannels = false;
this.Features.CanLockChannels = false;
this.Features.CanHideChannels = false;
this.Features.DeleteMode = DeleteMode.NotSupported;
this.Features.CanHaveGaps = false;
this.Features.FavoritesMode = FavoritesMode.None;
this.Features.MaxFavoriteLists = 0;
this.Features.AllowGapsInFavNumbers = false;
this.Features.CanEditFavListNames = false;
this.DataRoot.AddChannelList(this.allChannels);
foreach (var list in this.DataRoot.ChannelLists)
{
list.VisibleColumnFieldNames.Remove(nameof(ChannelInfo.AudioPid));
list.VisibleColumnFieldNames.Remove(nameof(ChannelInfo.ChannelOrTransponder));
list.VisibleColumnFieldNames.Remove(nameof(ChannelInfo.Provider));
list.VisibleColumnFieldNames.Remove(nameof(ChannelInfo.Encrypted));
list.VisibleColumnFieldNames.Remove(nameof(ChannelInfo.ServiceType));
list.VisibleColumnFieldNames.Remove(nameof(ChannelInfo.ServiceTypeName));
}
string iniFile = Assembly.GetExecutingAssembly().Location.Replace(".dll", ".ini");
this.ini = new IniFile(iniFile);
}
#endregion
// loading
#region Load
public override void Load()
{
var info = new FileInfo(this.FileName);
this.fileSize = (int)info.Length;
this.sec = ini.GetSection("dbm:" + this.fileSize);
if (sec == null)
throw LoaderException.Fail($"No configuration for .DBM files with size {info.Length} in .ini file");
if (!sec.GetBool("isDvbS"))
allChannels.VisibleColumnFieldNames.Remove(nameof(ChannelInfo.Satellite));
this.data = File.ReadAllBytes(this.FileName);
this.mapping = new DataMapping(sec);
this.mapping.SetDataPtr(data, 0);
ValidateChecksum(data, sec);
LoadTransponder(sec, data);
LoadChannels(sec, data);
}
#endregion
#region ValidateChecksum()
private void ValidateChecksum(byte[] data, IniFile.Section sec)
{
var expectedChecksum = BitConverter.ToUInt16(data, 0);
var calculatedChecksum = CalcChecksum(data, sec.GetInt("offData"), (int)mapping.GetDword("offDataLength"));
if (expectedChecksum != calculatedChecksum)
{
var msg = $"Invalid checksum. Expected {expectedChecksum:x4} but calculated {calculatedChecksum:x4}";
throw LoaderException.Fail(msg);
}
}
#endregion
#region LoadTransponder()
private void LoadTransponder(IniFile.Section sec, byte[] data)
{
var num = sec.GetInt("numTransponder");
var offBitmap = sec.GetInt("offTransponderBitmap");
var map = new DataMapping(ini.GetSection("transponder:" + this.fileSize));
map.SetDataPtr(data, sec.GetInt("offTransponderData"));
var recordSize = sec.GetInt("lenTransponderData");
for (int i = 0; i < num; i++)
{
if ((data[offBitmap + i / 8] & (1 << (i & 0x07))) != 0)
{
var t = new Transponder(i);
t.FrequencyInMhz = (decimal)map.GetDword("offFreq") / 1000;
t.SymbolRate = (int)map.GetDword("offSymRate");
this.DataRoot.AddTransponder(null, t);
}
map.BaseOffset += recordSize;
}
}
#endregion
#region LoadChannels()
private void LoadChannels(IniFile.Section sec, byte[] data)
{
var num = sec.GetInt("numChannel");
var offBitmap = sec.GetInt("offChannelBitmap");
var sec2 = ini.GetSection("channel:" + this.fileSize);
var map = new DataMapping(sec2);
map.SetDataPtr(data, sec.GetInt("offChannelData"));
var recordSize = sec.GetInt("lenChannelData");
var dec = new DvbStringDecoder(this.DefaultEncoding);
for (int i = 0; i < num; i++)
{
if ((data[offBitmap + i / 8] & (1 << (i & 0x07))) != 0)
{
var c = new ChannelInfo(SignalSource.Any, i, -1, null);
dec.GetChannelNames(data, map.BaseOffset + sec2.GetInt("offName"), sec2.GetInt("lenName"), out var longName, out var shortName);
c.Name = longName;
c.ShortName = shortName;
c.OldProgramNr = map.GetWord("offProgNr") + 1;
c.OriginalNetworkId = map.GetWord("offOnid");
c.TransportStreamId = map.GetWord("offTsid");
c.ServiceId = map.GetWord("offSid");
c.PcrPid = map.GetWord("offPcrPid");
c.VideoPid = map.GetWord("offVideoPid");
var transpIdx = map.GetByte("offTransponderIndex");
var tp = this.DataRoot.Transponder.TryGet(transpIdx);
if (tp != null)
{
c.FreqInMhz = tp.FrequencyInMhz;
c.SymbolRate = tp.SymbolRate;
}
this.DataRoot.AddChannel(this.allChannels, c);
}
map.BaseOffset += recordSize;
}
}
#endregion
// saving
#region Save()
public override void Save()
{
var sec2 = ini.GetSection("channel:" + this.fileSize);
var map = new DataMapping(sec2);
var baseOffset = sec.GetInt("offChannelData");
map.SetDataPtr(data, baseOffset);
var recordSize = sec.GetInt("lenChannelData");
foreach (var chan in this.allChannels.Channels)
{
if (chan.IsProxy) continue;
map.BaseOffset = baseOffset + (int)chan.RecordIndex * recordSize;
map.SetWord("offProgNr", chan.NewProgramNr - 1);
}
var calculatedChecksum = CalcChecksum(data, sec.GetInt("offData"), (int)mapping.GetDword("offDataLength"));
mapping.SetWord("offChecksum", calculatedChecksum);
File.WriteAllBytes(this.FileName, this.data);
}
#endregion
// common
#region CalcChecksum
/// <summary>
/// The checksum is the byte sum over the data bytes (offset 6 to end-2) plus 0x55 added to it
/// </summary>
public ushort CalcChecksum(byte[] bytes, int start, int count)
{
var sum = 0x55u;
while (count-- > 0)
sum += bytes[start++];
return (ushort)sum;
}
#endregion
// framework support methods
#region GetFileInformation
public override string GetFileInformation()
{
return base.GetFileInformation() + this.logMessages.Replace("\n", "\r\n");
}
#endregion
}
}

36
source/ChanSort.sln
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@@ -33,7 +33,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
Solution.props = Solution.props
EndProjectSection
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Test.Loader", "Test.Loader\Test.Loader.csproj", "{68CFCB2F-B52A-43A1-AA5C-5D64A1D655D2}"
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Test.Loader", "Test.Loader\Test.Loader.csproj", "{68CFCB2F-B52A-43A1-AA5C-5D64A1D655D2}"
EndProject
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ChanSort.Loader.Samsung", "ChanSort.Loader.Samsung\ChanSort.Loader.Samsung.csproj", "{A1C9A98D-368A-44E8-9B7F-7EACA46C9EC5}"
EndProject
@@ -101,7 +101,9 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Test.Loader.CmdbBin", "Test
EndProject
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ChanSort.Loader.Unsupported", "ChanSort.Loader.Unsupported\ChanSort.Loader.Unsupported.csproj", "{D7C32DAE-5D77-46A0-BC16-C95D9C7EFDD5}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ChanSort.Loader.TCL", "ChanSort.Loader.TCL\ChanSort.Loader.TCL.csproj", "{460D9527-F7EF-4277-9382-FB609A44D66A}"
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ChanSort.Loader.TCL", "ChanSort.Loader.TCL\ChanSort.Loader.TCL.csproj", "{460D9527-F7EF-4277-9382-FB609A44D66A}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ChanSort.Loader.DBM", "ChanSort.Loader.DBM\ChanSort.Loader.DBM.csproj", "{C1FF21EB-1CA6-4CE9-8BA8-9FAF71C5D6A6}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -1260,6 +1262,36 @@ Global
{460D9527-F7EF-4277-9382-FB609A44D66A}.Release|Mixed Platforms.Build.0 = Release|Any CPU
{460D9527-F7EF-4277-9382-FB609A44D66A}.Release|x86.ActiveCfg = Release|Any CPU
{460D9527-F7EF-4277-9382-FB609A44D66A}.Release|x86.Build.0 = Release|Any CPU
{C1FF21EB-1CA6-4CE9-8BA8-9FAF71C5D6A6}.All_Debug|Any CPU.ActiveCfg = Debug|Any CPU
{C1FF21EB-1CA6-4CE9-8BA8-9FAF71C5D6A6}.All_Debug|Any CPU.Build.0 = Debug|Any CPU
{C1FF21EB-1CA6-4CE9-8BA8-9FAF71C5D6A6}.All_Debug|Mixed Platforms.ActiveCfg = Debug|Any CPU
{C1FF21EB-1CA6-4CE9-8BA8-9FAF71C5D6A6}.All_Debug|Mixed Platforms.Build.0 = Debug|Any CPU
{C1FF21EB-1CA6-4CE9-8BA8-9FAF71C5D6A6}.All_Debug|x86.ActiveCfg = Debug|Any CPU
{C1FF21EB-1CA6-4CE9-8BA8-9FAF71C5D6A6}.All_Debug|x86.Build.0 = Debug|Any CPU
{C1FF21EB-1CA6-4CE9-8BA8-9FAF71C5D6A6}.All_Release|Any CPU.ActiveCfg = Release|Any CPU
{C1FF21EB-1CA6-4CE9-8BA8-9FAF71C5D6A6}.All_Release|Any CPU.Build.0 = Release|Any CPU
{C1FF21EB-1CA6-4CE9-8BA8-9FAF71C5D6A6}.All_Release|Mixed Platforms.ActiveCfg = Release|Any CPU
{C1FF21EB-1CA6-4CE9-8BA8-9FAF71C5D6A6}.All_Release|Mixed Platforms.Build.0 = Release|Any CPU
{C1FF21EB-1CA6-4CE9-8BA8-9FAF71C5D6A6}.All_Release|x86.ActiveCfg = Release|Any CPU
{C1FF21EB-1CA6-4CE9-8BA8-9FAF71C5D6A6}.All_Release|x86.Build.0 = Release|Any CPU
{C1FF21EB-1CA6-4CE9-8BA8-9FAF71C5D6A6}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{C1FF21EB-1CA6-4CE9-8BA8-9FAF71C5D6A6}.Debug|Any CPU.Build.0 = Debug|Any CPU
{C1FF21EB-1CA6-4CE9-8BA8-9FAF71C5D6A6}.Debug|Mixed Platforms.ActiveCfg = Debug|Any CPU
{C1FF21EB-1CA6-4CE9-8BA8-9FAF71C5D6A6}.Debug|Mixed Platforms.Build.0 = Debug|Any CPU
{C1FF21EB-1CA6-4CE9-8BA8-9FAF71C5D6A6}.Debug|x86.ActiveCfg = Debug|Any CPU
{C1FF21EB-1CA6-4CE9-8BA8-9FAF71C5D6A6}.Debug|x86.Build.0 = Debug|Any CPU
{C1FF21EB-1CA6-4CE9-8BA8-9FAF71C5D6A6}.NoDevExpress_Debug|Any CPU.ActiveCfg = Debug|Any CPU
{C1FF21EB-1CA6-4CE9-8BA8-9FAF71C5D6A6}.NoDevExpress_Debug|Any CPU.Build.0 = Debug|Any CPU
{C1FF21EB-1CA6-4CE9-8BA8-9FAF71C5D6A6}.NoDevExpress_Debug|Mixed Platforms.ActiveCfg = Debug|Any CPU
{C1FF21EB-1CA6-4CE9-8BA8-9FAF71C5D6A6}.NoDevExpress_Debug|Mixed Platforms.Build.0 = Debug|Any CPU
{C1FF21EB-1CA6-4CE9-8BA8-9FAF71C5D6A6}.NoDevExpress_Debug|x86.ActiveCfg = Debug|Any CPU
{C1FF21EB-1CA6-4CE9-8BA8-9FAF71C5D6A6}.NoDevExpress_Debug|x86.Build.0 = Debug|Any CPU
{C1FF21EB-1CA6-4CE9-8BA8-9FAF71C5D6A6}.Release|Any CPU.ActiveCfg = Release|Any CPU
{C1FF21EB-1CA6-4CE9-8BA8-9FAF71C5D6A6}.Release|Any CPU.Build.0 = Release|Any CPU
{C1FF21EB-1CA6-4CE9-8BA8-9FAF71C5D6A6}.Release|Mixed Platforms.ActiveCfg = Release|Any CPU
{C1FF21EB-1CA6-4CE9-8BA8-9FAF71C5D6A6}.Release|Mixed Platforms.Build.0 = Release|Any CPU
{C1FF21EB-1CA6-4CE9-8BA8-9FAF71C5D6A6}.Release|x86.ActiveCfg = Release|Any CPU
{C1FF21EB-1CA6-4CE9-8BA8-9FAF71C5D6A6}.Release|x86.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE

1
source/ChanSort/ChanSort.csproj
View File

@@ -129,6 +129,7 @@
<ProjectReference Include="..\ChanSort.Api\ChanSort.Api.csproj" />
<ProjectReference Include="..\ChanSort.Loader.Android\ChanSort.Loader.Android.csproj" />
<ProjectReference Include="..\ChanSort.Loader.CmdbBin\ChanSort.Loader.CmdbBin.csproj" />
<ProjectReference Include="..\ChanSort.Loader.DBM\ChanSort.Loader.DBM.csproj" />
<ProjectReference Include="..\ChanSort.Loader.Enigma2\ChanSort.Loader.Enigma2.csproj" />
<ProjectReference Include="..\ChanSort.Loader.Grundig\ChanSort.Loader.Grundig.csproj" />
<ProjectReference Include="..\ChanSort.Loader.Hisense\ChanSort.Loader.Hisense.csproj" />

52
source/Information/FileStructures_for_HHD_Hex_Editor_Neo/dbm-163772-dvbc.h Normal file
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@@ -0,0 +1,52 @@
#include "chansort.h"
struct s_Transponder
{
var off0 = current_offset;
dword Freq;
byte unk1[4];
dword SymRate;
var off1 = current_offset;
byte unk[36 - (off1 - off0)];
};
struct s_Channel
{
var off0 = current_offset;
byte Name[64];
word progNrMinus1;
word lcn;
byte u3[2];
byte transponderIndex;
byte u4[25];
word tsid;
word onid;
word sid;
byte u5[2];
word pcrPidMaybe;
word vpidMaybe;
var off1 = current_offset;
byte unk[160 - (off1-off0)];
};
public struct DBM_163772_DvbC
{
word BytesumPlus0x55;
dword DataLengthForBytesum;
byte TransponderBitmap[16];
s_Transponder TransponderData[100];
var off0 = current_offset;
byte unk1[0x0E3C - off0];
byte ChannelBitmap[126];
s_Channel ChannelData[1000];
byte Extra[*];
};