/// <summary>
/// Beginnt mit der Bearbeitung der Nutzdaten in einem PVA Paket.
/// </summary>
private void StartPackage()
{
// Next
m_State = SyncStates.PayLoad;
// Get length parts
int high = m_Header[4];
int low = m_Header[5];
// Reset length counter
m_BytesLeft = low + 256 * high;
// Special
if (PTSPresent)
{
m_BytesLeft = Math.Max(m_BytesLeft - m_PTS.Length, 0);
}
// Reset transfer state
m_VideoAlign = m_Header[3] & 0x3;
m_PESCreated = false;
m_PacketPos = 0;
}
public void AddObserver(SyncStates stateObserve, IOrmSyncObserver observer)
{
}
/// <summary>
///
/// </summary>
/// <param name="buffer"></param>
/// <param name="start"></param>
/// <param name="length"></param>
private void Worker(byte[] buffer, int start, int length)
{
while (length > 0)
{
// Find the first byte of the magic word
if (SyncStates.SyncA == m_State)
{
// Find the sync byte
for (; ;)
{
// Is there any more data
if (length-- < 1)
{
return;
}
// Check for hit
if (0x41 == buffer[start++])
{
break;
}
// Count errors
++m_Skipped;
}
// Next
m_State = SyncStates.SyncV;
}
// Find the second byte of the magic word
if (SyncStates.SyncV == m_State)
{
// Check if
if (0x56 != buffer[start])
{
// Count
++m_Restarted;
// Start resync
m_State = SyncStates.SyncA;
// Test again
continue;
}
// Adjust
--length;
++start;
// Next
m_State = SyncStates.Header;
// Reset header counter
m_BytesLeft = m_Header.Length;
// Done
if (length < 1)
{
return;
}
}
// Find the header
if (SyncStates.Header == m_State)
{
// How much to copy
int len = Math.Min(m_BytesLeft, length);
// Copy over
Array.Copy(buffer, start, m_Header, m_Header.Length - m_BytesLeft, len);
// Adjust
m_BytesLeft -= len;
length -= len;
start += len;
// Incomplete
if (m_BytesLeft > 0)
{
return;
}
// See if PTS follows
if (PTSPresent)
{
// Next
m_State = SyncStates.PTS;
// Reset header counter
m_BytesLeft = m_PTS.Length;
}
else
{
// Report
StartPackage();
}
// Done
if (length < 1)
{
return;
}
}
// Find the header
if (SyncStates.PTS == m_State)
{
// How much to copy
int len = Math.Min(m_BytesLeft, length);
// Copy over
Array.Copy(buffer, start, m_PTS, m_PTS.Length - m_BytesLeft, len);
// Adjust
m_BytesLeft -= len;
length -= len;
start += len;
// Incomplete
if (m_BytesLeft > 0)
{
return;
}
// Report
StartPackage();
// Done
if (length < 1)
{
return;
}
}
// How much to eat up
int payload = Math.Min(m_BytesLeft, length);
// Process
SendPayload(buffer, start, payload);
// Adjust
m_BytesLeft -= payload;
length -= payload;
start += payload;
// Start from scratch
if (m_BytesLeft < 1)
{
m_State = SyncStates.SyncA;
}
}
}
public void SetNewState(SyncStates newState, IObservableProgession observableProgression)
{
_syncObserver.OnNewState(newState, true);
observableProgression.AddObserver(newState, _syncObserver);
}
public void SetNewState(SyncStates newState)
{
_syncObserver.OnNewState(newState, false);
}
public static void SetState(DependencyObject obj, SyncStates value)
{
obj.SetValue(State, value);
}
/// <summary>
/// Beginnt mit der Bearbeitung der Nutzdaten in einem PVA Paket.
/// </summary>
private void StartPackage()
{
// Next
m_State = SyncStates.PayLoad;
// Get length parts
int high = m_Header[4];
int low = m_Header[5];
// Reset length counter
m_BytesLeft = low + 256 * high;
// Special
if (PTSPresent) m_BytesLeft = Math.Max(m_BytesLeft - m_PTS.Length, 0);
// Reset transfer state
m_VideoAlign = m_Header[3] & 0x3;
m_PESCreated = false;
m_PacketPos = 0;
}
/// <summary>
///
/// </summary>
/// <param name="buffer"></param>
/// <param name="start"></param>
/// <param name="length"></param>
private void Worker(byte[] buffer, int start, int length)
{
while (length > 0)
{
// Find the first byte of the magic word
if (SyncStates.SyncA == m_State)
{
// Find the sync byte
for (; ; )
{
// Is there any more data
if (length-- < 1) return;
// Check for hit
if (0x41 == buffer[start++]) break;
// Count errors
++m_Skipped;
}
// Next
m_State = SyncStates.SyncV;
}
// Find the second byte of the magic word
if (SyncStates.SyncV == m_State)
{
// Check if
if (0x56 != buffer[start])
{
// Count
++m_Restarted;
// Start resync
m_State = SyncStates.SyncA;
// Test again
continue;
}
// Adjust
--length;
++start;
// Next
m_State = SyncStates.Header;
// Reset header counter
m_BytesLeft = m_Header.Length;
// Done
if (length < 1) return;
}
// Find the header
if (SyncStates.Header == m_State)
{
// How much to copy
int len = Math.Min(m_BytesLeft, length);
// Copy over
Array.Copy(buffer, start, m_Header, m_Header.Length - m_BytesLeft, len);
// Adjust
m_BytesLeft -= len;
length -= len;
start += len;
// Incomplete
if (m_BytesLeft > 0) return;
// See if PTS follows
if (PTSPresent)
{
// Next
m_State = SyncStates.PTS;
// Reset header counter
m_BytesLeft = m_PTS.Length;
}
else
{
// Report
StartPackage();
}
// Done
if (length < 1) return;
}
// Find the header
if (SyncStates.PTS == m_State)
{
// How much to copy
int len = Math.Min(m_BytesLeft, length);
// Copy over
Array.Copy(buffer, start, m_PTS, m_PTS.Length - m_BytesLeft, len);
// Adjust
m_BytesLeft -= len;
length -= len;
start += len;
// Incomplete
if (m_BytesLeft > 0) return;
// Report
StartPackage();
// Done
if (length < 1) return;
}
// How much to eat up
int payload = Math.Min(m_BytesLeft, length);
// Process
SendPayload(buffer, start, payload);
// Adjust
m_BytesLeft -= payload;
length -= payload;
start += payload;
// Start from scratch
if (m_BytesLeft < 1) m_State = SyncStates.SyncA;
}
}
