public void UpdateWorkingZone(VideoSection _newZone)
{
if (m_Frames.Count > 0)
{
Clear();
}
m_WorkingZone = _newZone;
}
private void UpdateWorkingZone()
{
if (m_Frames.Count > 0)
{
m_WorkingZone = new VideoSection(m_Frames[0].Timestamp, m_Frames[m_Frames.Count - 1].Timestamp);
}
else
{
m_WorkingZone = VideoSection.Empty;
}
}
public void Clear()
{
m_Current = null;
m_CurrentIndex = -1;
foreach (VideoFrame frame in m_Frames)
{
DisposeFrame(frame);
}
m_Frames.Clear();
m_WorkingZone = VideoSection.Empty;
}
private void UpdateSegment()
{
// Get real data from the stored frames.
// Always inside a lock.
if (m_Frames.Count < 1)
{
m_Segment = VideoSection.Empty;
}
else
{
m_Segment = new VideoSection(m_Frames[0].Timestamp, m_Frames[m_Frames.Count - 1].Timestamp);
}
}
public void Clear()
{
lock (m_Locker)
{
m_Current = null;
foreach (VideoFrame vf in m_Frames)
{
DisposeFrame(vf);
}
m_Frames.Clear();
m_CurrentIndex = -1;
m_Drops = 0;
m_Segment = VideoSection.Empty;
m_TotalCapacity = m_DefaultTotalCapacity;
m_OldFramesCapacity = m_DefaultOldFramesCapacity;
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();
}
/// <summary> /// Updates the internal working zone. Import whole zone to cache if possible. /// </summary> /// <param name="_workerFn">A function that will start a background thread for the actual import</param> public abstract void UpdateWorkingZone(VideoSection _newZone, bool _forceReload, int _maxSeconds, int _maxMemory, Action <DoWorkEventHandler> _workerFn);
public override void UpdateWorkingZone(VideoSection _newZone, bool _forceReload, int _maxMemory, Action <DoWorkEventHandler> _workerFn)
{
}