Nemcio/ChanSort
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- reworked UI

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- fixed various issues with incorrect selection and program# assignment
This commit is contained in:
hbeham
2013-04-06 01:46:28 +02:00
parent f882df48c1
commit 961f3be305
28 changed files with 3645 additions and 2926 deletions
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120
ChanSort.Loader.TllFile/TllFileSerializer.cs
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@@ -14,6 +14,7 @@ namespace ChanSort.Loader.TllFile
{
public partial class TllFileSerializer : SerializerBase
{
private const long DVBS_S2 = 0x0032532D53425644; // reverse of "DVBS-S2\0"
private const long MaxFileSize = 2000000;
private readonly string ERR_fileTooBig = Resource.TllFileSerializerPlugin_ERR_fileTooBig;
private readonly string ERR_modelUnknown = Resource.TllFileSerializerPlugin_ERR_modelUnknown;
@@ -83,8 +84,6 @@ namespace ChanSort.Loader.TllFile
this.DataRoot.AddChannelList(atvChannels);
this.DataRoot.AddChannelList(dtvChannels);
this.DataRoot.AddChannelList(radioChannels);
this.DataRoot.AddChannelList(satTvChannels);
this.DataRoot.AddChannelList(satRadioChannels);
}
#endregion
@@ -123,7 +122,7 @@ namespace ChanSort.Loader.TllFile
{
long fileSize = new FileInfo(this.FileName).Length;
if (fileSize > MaxFileSize)
throw new InvalidOperationException(string.Format(ERR_fileTooBig, fileSize, MaxFileSize));
throw new FileLoadException(string.Format(ERR_fileTooBig, fileSize, MaxFileSize));
this.fileContent = File.ReadAllBytes(this.FileName);
int off = 0;
@@ -146,7 +145,7 @@ namespace ChanSort.Loader.TllFile
private void ReadFileHeader(ref int off)
{
if (fileContent.Length < 4)
throw new InvalidOperationException(ERR_modelUnknown);
throw new FileLoadException(ERR_modelUnknown);
if (BitConverter.ToUInt32(fileContent, off) == 0x5A5A5A5A)
off += 4;
}
@@ -184,7 +183,7 @@ namespace ChanSort.Loader.TllFile
private void ReadDvbSBlock(ref int off)
{
int blockSize;
if (!IsDvbsBlock(off, out blockSize))
if (!IsDvbsBlock(ref off, out blockSize))
return;
this.dvbsBlockSize = blockSize;
@@ -259,7 +258,7 @@ namespace ChanSort.Loader.TllFile
{
long len = BitConverter.ToUInt32(fileContent, off);
if (len < minSize || off + 4 + len > fileContent.Length)
throw new InvalidOperationException(ERR_modelUnknown);
throw new FileLoadException(ERR_modelUnknown);
return (int)len;
}
#endregion
@@ -268,17 +267,17 @@ namespace ChanSort.Loader.TllFile
private int GetActChannelRecordSize(int off, int blockSize, int channelCount)
{
if ((blockSize - 4) % channelCount != 0)
throw new InvalidOperationException(ERR_modelUnknown);
throw new FileLoadException(ERR_modelUnknown);
int recordSize = (blockSize - 4) / channelCount;
if (off + channelCount * recordSize > fileContent.Length)
throw new InvalidOperationException(ERR_modelUnknown);
throw new FileLoadException(ERR_modelUnknown);
return recordSize;
}
#endregion
#region IsDvbsBlock()
private bool IsDvbsBlock(int off, out int blockSize)
private bool IsDvbsBlock(ref int off, out int blockSize)
{
blockSize = 0;
if (off >= fileContent.Length)
@@ -286,16 +285,30 @@ namespace ChanSort.Loader.TllFile
blockSize = this.GetBlockSize(off);
if (blockSize < 12)
return false;
ulong blockId = BitConverter.ToUInt64(fileContent, off + 8);
if (blockId != 0x0032532D53425644) // reverse "DVBS-S2\0"
return false;
return true;
long blockId = BitConverter.ToInt64(fileContent, off + 8);
if (blockId == DVBS_S2)
return true;
if (blockId == -1)
{
this.satConfig = satConfigs.TryGet(blockSize);
if (this.satConfig != null)
{
this.EraseDvbsBlock(off);
this.UpdateDvbsChecksums();
return true;
}
}
return false;
}
#endregion
#region ReadDvbsSubblocks()
private void ReadDvbsSubblocks(ref int off)
{
this.DataRoot.AddChannelList(satTvChannels);
this.DataRoot.AddChannelList(satRadioChannels);
this.ScanDvbSSubBlockChecksums(off);
// subblock 1 (DVBS header)
@@ -334,7 +347,7 @@ namespace ChanSort.Loader.TllFile
uint fileCrc = BitConverter.ToUInt32(fileContent, off);
uint calcCrc = Crc32.CalcCrc32(fileContent, off + 4, subblockLength);
if (fileCrc != calcCrc)
throw new IOException(string.Format(ERR_wrongChecksum, calcCrc, fileCrc));
throw new FileLoadException(string.Format(ERR_wrongChecksum, calcCrc, fileCrc));
off += 4 + subblockLength;
}
}
@@ -468,7 +481,84 @@ namespace ChanSort.Loader.TllFile
#endregion
#region EraseDvbsBlock()
/// <summary>
/// The model LM640T has the whole DVB-S2 block filled with 0xFF bytes, including the checksums.
/// When a file (even the originally saved one) is loaded back, the TV crashes and performs a factory reset.
/// </summary>
private void EraseDvbsBlock(int off)
{
this.dvbsBlockOffset = off;
this.dvbsBlockSize = satConfig.dvbsBlockTotalLength;
this.dvbsSubblockCrcOffset = new int[satConfig.dvbsSubblockLength.Length];
int p = this.dvbsBlockOffset + 4;
for (int i = 0; i < this.dvbsBlockSize; i++)
this.fileContent[p++] = 0;
using (MemoryStream stream = new MemoryStream(this.fileContent))
using (BinaryWriter wrt = new BinaryWriter(stream))
{
stream.Seek(this.dvbsBlockOffset+4, SeekOrigin.Begin); // skip length
// header
this.dvbsSubblockCrcOffset[0] = (int)stream.Position;
stream.Seek(4, SeekOrigin.Current); // skip CRC32
stream.Write(Encoding.ASCII.GetBytes("DVBS-S2\0"), 0, 8);
wrt.Write((ushort) 7);
wrt.Write((ushort) 4);
// satellite
this.dvbsSubblockCrcOffset[1] = (int)stream.Position;
stream.Seek(4, SeekOrigin.Current); // skip CRC32
stream.Seek(2 + satConfig.satCount/8 + 2 + 2 + satConfig.satCount + 2, SeekOrigin.Current);
for (int i = 0; i < satConfig.satCount; i++)
{
stream.Seek(36, SeekOrigin.Current);
wrt.Write((short) -1);
wrt.Write((short) -1);
stream.Seek(2 + 2, SeekOrigin.Current);
}
// transponders
this.dvbsSubblockCrcOffset[2] = (int)stream.Position;
stream.Seek(4, SeekOrigin.Current); // skip CRC32
stream.Seek(5*2 + satConfig.transponderCount/8, SeekOrigin.Current);
wrt.Write((short) -1);
wrt.Write((short) -1);
stream.Seek(2 + (satConfig.transponderCount - 1)*6 + 2, SeekOrigin.Current);
for (int i = 0; i < satConfig.transponderCount; i++)
{
wrt.Write(-1);
wrt.Write((ushort)0);
wrt.Write((short)-1);
wrt.Write((byte)0xfe);
for (int j = 9; j < satConfig.transponderLength; j++)
wrt.Write((byte)0xFF);
}
// channels
this.dvbsSubblockCrcOffset[3] = (int)stream.Position;
stream.Seek(4, SeekOrigin.Current); // skip CRC32
stream.Seek(12 + satConfig.dvbsMaxChannelCount/8, SeekOrigin.Current);
wrt.Write((short) -1);
wrt.Write((short) -1);
stream.Seek(4 + (satConfig.dvbsMaxChannelCount - 1)*8, SeekOrigin.Current);
for (int i = 0; i < satConfig.dvbsMaxChannelCount*satConfig.dvbsChannelLength; i++)
wrt.Write((byte) 0xFF);
// sat/LNB-config
this.dvbsSubblockCrcOffset[4] = (int)stream.Position;
stream.Seek(4, SeekOrigin.Current); // skip CRC32
stream.Seek(2, SeekOrigin.Current);
wrt.Write((byte) 1);
stream.Seek(satConfig.lnbCount/8 - 1, SeekOrigin.Current);
}
}
#endregion
#region Save()
public override void Save(string tvOutputFile, string csvOutputFile)
{