public bool Contains(long _timestamp)
{
lock (m_Locker)
{
if (m_Segment.Wrapped)
{
bool postWrap = _timestamp >= m_WorkingZone.Start && _timestamp <= m_Segment.End;
bool preWrap = _timestamp >= m_Segment.Start && _timestamp <= m_WorkingZone.End;
return(postWrap || preWrap);
}
else
{
return(m_Segment.Contains(_timestamp));
}
}
}
/// <summary>
/// Remove all items that are outside the working zone.
/// </summary>
public void PurgeOutsiders()
{
lock (m_Locker)
{
log.Debug("Purging Outsiders in PreBuffer.");
int removedAtLeft = 0;
foreach (int i in SortedFrames())
{
if (m_WorkingZone.Contains(m_Frames[i].Timestamp))
{
continue;
}
if (m_Frames[i].Timestamp < m_WorkingZone.Start)
{
removedAtLeft++;
}
DisposeFrame(m_Frames[i]);
m_Frames[i] = null;
if (i == m_CurrentIndex)
{
m_CurrentIndex = -1;
}
}
if (m_CurrentIndex >= removedAtLeft)
{
m_CurrentIndex -= removedAtLeft;
}
m_CurrentIndex = Math.Max(0, m_CurrentIndex);
m_Current = m_Frames[m_CurrentIndex];
m_Frames.RemoveAll(frame => object.ReferenceEquals(null, frame));
UpdateSegment();
Monitor.Pulse(m_Locker);
}
}
/// <summary>
/// Remove all items that are outside the working zone.
/// </summary>
public void ReduceWorkingZone(VideoSection _newZone)
{
m_WorkingZone = _newZone;
int removedAtLeft = 0;
for (int i = 0; i < m_Frames.Count; i++)
{
if (m_WorkingZone.Contains(m_Frames[i].Timestamp))
{
continue;
}
if (m_Frames[i].Timestamp < m_WorkingZone.Start)
{
removedAtLeft++;
}
DisposeFrame(m_Frames[i]);
m_Frames[i] = null;
if (i == m_CurrentIndex)
{
m_CurrentIndex = -1;
}
}
if (m_CurrentIndex >= removedAtLeft)
{
m_CurrentIndex -= removedAtLeft;
}
m_Frames.RemoveAll(frame => object.ReferenceEquals(null, frame));
m_CurrentIndex = Math.Max(0, m_CurrentIndex);
m_Current = m_Frames[m_CurrentIndex];
UpdateWorkingZone();
}
private bool Contains(long _timestamp)
{
return(m_WorkingZone.Contains(_timestamp));
}
