/// <summary>
/// Erzeugt eine neue Analyseinstanz für einen Nutzdatenstrom.
/// </summary>
/// <param name="parser">Die zugehörige Instanz zum Gesamtdatenstrom.</param>
/// <param name="pid">Die betroffenen Datenstromkennung.</param>
/// <param name="callback">Der Empfänger der eigentlichen Nutzdaten.</param>
public PESInfo( TSParser parser, ushort pid, Action<byte[]> callback )
{
// Remember
PID = pid;
// Create
m_Builder = new PESBuilder( parser, callback );
}
/// <summary>
/// Erzeugt eine neue Analyseinstanz für einen Nutzdatenstrom.
/// </summary>
/// <param name="parser">Die zugehörige Instanz zum Gesamtdatenstrom.</param>
/// <param name="pid">Die betroffenen Datenstromkennung.</param>
/// <param name="callback">Der Empfänger der eigentlichen Nutzdaten.</param>
public PESInfo(TSParser parser, ushort pid, Action <byte[]> callback)
{
// Remember
PID = pid;
// Create
m_Builder = new PESBuilder(parser, callback);
}
private void starter_Tick( object sender, EventArgs e )
{
// Disable
starter.Enabled = false;
// Finsih
if (null == File)
{
// Stop
Close();
// Done
return;
}
// Set mode
m_Loading = true;
// May stop
cmdStop.Enabled = true;
// Reset GUI
m_ListItems.Clear();
m_Entries.Clear();
// Be safe
try
{
// Choose decoding mode
Section.ISO6937Encoding = ckStandardSI.Checked;
// The mode
bool TSMode = (0 == string.Compare( File.Extension, ".ts", true ));
// Blocksize
byte[] Buffer = new byte[TSMode ? 10000000 : 100000];
// Open the file and create parser
using (FileStream read = new FileStream( File.FullName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite, Buffer.Length ))
using (TSParser parser = new TSParser())
{
// Skip junk
if (TSMode) parser.SetFilter( 0x12, true, EPGParser.OnData );
// Content
for (int n; (n = read.Read( Buffer, 0, Buffer.Length )) > 0; )
{
// Report progress
progress.Value = (int) (read.Position * progress.Maximum / read.Length);
// Show up
Application.DoEvents();
// Done
if (!cmdStop.Enabled) break;
// Check mode
if (TSMode)
{
// Feed into parser
parser.AddPayload( Buffer, 0, n );
}
else
{
// SI Table
EPGParser.OnData( Buffer, 0, n );
}
}
}
}
catch (Exception ex)
{
// Report
MessageBox.Show( this, ex.Message );
}
finally
{
// Done
m_Loading = false;
}
// Prepare load
cmdStop.Text = m_LoadText;
cmdStop.Enabled = true;
// Load all we found
lstEntries.Items.Clear();
lstEntries.Items.AddRange( m_ListItems.ToArray() );
// Prepare sorter
lstEntries.ListViewItemSorter = new EPGEntry.Comparer();
}
/// <summary>
/// Analysiert die aktuelle Datei.
/// </summary>
public void Analyse()
{
// Reset
Streams.Clear();
// Be safe
try
{
// First run to get the stream analysis
using (var parser = new TSParser { FillStatistics = true })
{
// Fill it
ReadFile( parser );
// Load statistics
foreach (var info in parser.PacketStatistics.OrderBy( p => p.Key ))
Streams.Add( new StreamItem( info.Key, info.Value ) );
// Add statistics
SubItems[2].Text = parser.BytesReceived.ToString( "N0" );
SubItems[3].Text = parser.BytesSkipped.ToString( "N0" );
SubItems[4].Text = parser.Callbacks.ToString();
SubItems[5].Text = parser.Resynchronized.ToString();
SubItems[6].Text = parser.Scrambled.ToString( "N0" );
SubItems[7].Text = parser.TransmissionErrors.ToString();
SubItems[8].Text = parser.ValidPATCount.ToString();
SubItems[9].Text = parser.PacketsReceived.ToString( "N0" );
// Check mode
if (parser.ValidPATCount > 0)
SubItems[10].Text = Math.Round( parser.BytesReceived * 1.0 / parser.ValidPATCount ).ToString( "N0" );
}
// First run to do detail analysis
using (var parser = new TSParser())
{
// Connect
foreach (var stream in Streams)
stream.RegisterPhase1( parser );
// Fill it
ReadFile( parser );
}
// Second run to do get SI Tables
using (var parser = new TSParser())
{
// Connect
foreach (var stream in Streams)
stream.RegisterPhase2( parser );
// Fill it
ReadFile( parser );
}
// See if PAT is available
StreamItem pat = Streams.FirstOrDefault( s => s.PID == 0 );
if (pat != null)
SubItems[11].Text = string.Join( ", ", pat.TransportIdentifiers.Select( t => t.ToString() ).ToArray() );
}
catch (Exception e)
{
// Remember
SubItems[12].Text = e.Message;
}
// Finish
foreach (var stream in Streams)
stream.RefreshUI();
}
/// <summary>
/// Überträgt den Dateiinhalt zur Analyse.
/// </summary>
/// <param name="target">Die Analyseinstanz, die befüllt werden soll.</param>
private void ReadFile( TSParser target )
{
// Create buffer to read file
var buffer = new byte[100000];
// Open the file
using (var file = new FileStream( Text, FileMode.Open, FileAccess.Read, FileShare.Read, buffer.Length ))
{
// Load the file size
SubItems[1].Text = Math.Round( file.Length / 1024.0 / 1024.0 ).ToString( "N0" );
// Load
for (int n; (n = file.Read( buffer, 0, buffer.Length )) > 0; )
target.AddPayload( buffer, 0, n );
}
}
/// <summary>
/// Erzeugt einen neuen Vermittler.
/// </summary>
/// <param name="analyser">Die eigentliche Analyseeinheit.</param>
/// <param name="item">Die zugehörige Beschreibung.</param>
public _Builder( TSParser analyser, StreamItem item )
: base( analyser, null )
{
// Remember
m_Item = item;
}
/// <summary>
/// Meldet sich als Verbraucher an eine Analyse an.
/// </summary>
/// <param name="analyser">Die Analyseeinheit.</param>
public void RegisterPhase2( TSParser analyser )
{
// See if there is a well known table
foreach (var tableType in typeof( WellKnownTable ).Assembly.GetExportedTypes())
if (typeof( WellKnownTable ).IsAssignableFrom( tableType ))
if (!tableType.IsAbstract)
if (WellKnownTable.GetWellKnownStream( tableType ) == PID)
{
// Remember
SubItems[6].Text = tableType.Name;
// Create consumer
var parser = TableParser.Create( CountTable, tableType );
// Connect
analyser.SetFilter( PID, true, parser.AddPayload );
// Done
break;
}
}
/// <summary>
/// Meldet sich als Verbraucher an eine Analyse an.
/// </summary>
/// <param name="analyser">Die Analyseeinheit.</param>
public void RegisterPhase1( TSParser analyser )
{
// Add as a custom builder
analyser.RegisterCustomFilter( PID, new _Builder( analyser, this ) );
}
