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- Panasonic: improved symbol rate and satellite position detection

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- startup window location and size are adjusted to fit on screen
This commit is contained in:
Horst Beham
2021-09-23 20:25:30 +02:00
parent bdd255a940
commit c035c8539e
4 changed files with 49 additions and 32 deletions
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23
source/ChanSort.Loader.Panasonic/Serializer.cs
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@@ -8,6 +8,8 @@ using ChanSort.Api;
namespace ChanSort.Loader.Panasonic
{
internal enum ByteOrder { BigEndian, LittleEndian }
class Serializer : SerializerBase
{
private readonly ChannelList avbtChannels = new ChannelList(SignalSource.AnalogT, "Analog Antenna");
@@ -22,7 +24,7 @@ namespace ChanSort.Loader.Panasonic
private CypherMode cypherMode;
private byte[] fileHeader = Array.Empty<byte>();
private int dbSizeOffset;
private bool littleEndianByteOrder;
private ByteOrder headerByteOrder;
private string charEncoding;
private bool explicitUtf8;
private bool implicitUtf8;
@@ -168,12 +170,12 @@ namespace ChanSort.Loader.Panasonic
throw new FileLoadException("Checksum validation failed");
int offset;
if (!this.ValidateFileSize(data, false, out offset)
&& !this.ValidateFileSize(data, true, out offset))
if (!this.ValidateFileSize(data, ByteOrder.BigEndian, out offset) &&
!this.ValidateFileSize(data, ByteOrder.LittleEndian, out offset))
throw new FileLoadException("File size validation failed");
using (var stream = new FileStream(outputFile, FileMode.Create, FileAccess.Write))
stream.Write(data, offset, data.Length - offset - 4);
stream.Write(data, offset, data.Length - offset - 4);
this.fileHeader = new byte[offset];
Array.Copy(data, 0, this.fileHeader, 0, offset);
@@ -181,13 +183,13 @@ namespace ChanSort.Loader.Panasonic
#endregion
#region ValidateFileSize()
private bool ValidateFileSize(byte[] data, bool littleEndian, out int offset)
private bool ValidateFileSize(byte[] data, ByteOrder byteOrder, out int offset)
{
this.littleEndianByteOrder = littleEndian;
offset = 30 + Tools.GetInt16(data, 28, littleEndian);
this.headerByteOrder = byteOrder;
offset = 30 + Tools.GetInt16(data, 28, byteOrder == ByteOrder.LittleEndian);
if (offset >= data.Length) return false;
this.dbSizeOffset = offset;
int dbSize = Tools.GetInt32(data, offset, littleEndian);
int dbSize = Tools.GetInt32(data, offset, byteOrder == ByteOrder.LittleEndian);
offset += 4;
return data.Length == offset + dbSize + 4;
}
@@ -403,7 +405,7 @@ order by s.ntype,major_channel
using (var stream = new FileStream(this.workFile, FileMode.Open, FileAccess.Read))
stream.Read(data, fileHeader.Length, (int)workFileSize);
Tools.SetInt32(data, this.dbSizeOffset, (int)workFileSize, this.littleEndianByteOrder);
Tools.SetInt32(data, this.dbSizeOffset, (int)workFileSize, this.headerByteOrder == ByteOrder.LittleEndian);
this.UpdateChecksum(data);
using (var stream = new FileStream(this.FileName, FileMode.Create, FileAccess.Write))
@@ -435,8 +437,7 @@ order by s.ntype,major_channel
case CypherMode.Encryption: sb.AppendLine("encrypted SQLite database"); break;
case CypherMode.HeaderAndChecksum:
sb.AppendLine("embedded SQLite database");
sb.Append("Byte order: ").AppendLine(this.littleEndianByteOrder ?
"little-endian (least significant byte first)" : "big-endian (most significant byte first)");
sb.Append("Header byte order: ").AppendLine(this.headerByteOrder.ToString());
break;
}
sb.Append("Character encoding: ").AppendLine(this.charEncoding);