private void VideoCapture1_OnVideoFrameBuffer(object sender, VideoFrameBufferEventArgs e)
{
try
{
if (tempBuffer == IntPtr.Zero)
{
tempBuffer = Marshal.AllocCoTaskMem(e.Width * e.Height * 3);
}
if (e.StartTime < fragmentDuration)
{
Marshal.Copy(e.Buffer, 0, tempBuffer, e.Buffer.Length);
VFPSearch.Process(tempBuffer, e.Width, e.Height, e.Width * 3, e.StartTime, ref searchLiveData);
}
else
{
Dispatcher.BeginInvoke(new StopVideoDelegate(StopVideoDelegateMethod));
}
}
catch
{
}
}
private void MediaPlayer1_OnVideoFrameBuffer(object sender, VideoFrameBufferEventArgs e)
{
ProcessFrame(e.Frame);
}
private void VideoCapture1_OnVideoFrameBuffer(object sender, VideoFrameBufferEventArgs e)
{
ProcessFrame(e.Frame);
}
private void VideoCapture1_OnVideoFrameBuffer(object sender, VideoFrameBufferEventArgs e)
{
try
{
if (_tempBuffer == IntPtr.Zero)
{
_tempBuffer = Marshal.AllocCoTaskMem(e.Frame.Stride * e.Frame.Height);
}
// live
if (_searchLiveData == null)
{
_searchLiveData = new FingerprintLiveData((int)(_fragmentDuration / 1000), DateTime.Now);
_fragmentCount++;
}
if (e.StartTime < _fragmentDuration * _fragmentCount)
{
ImageHelper.CopyMemory(_tempBuffer, e.Frame.Data, e.Frame.DataSize);
// process frame to remove ignored areas
if (_ignoredAreas.Count > 0)
{
foreach (var area in _ignoredAreas)
{
if (area.Right > e.Frame.Width || area.Bottom > e.Frame.Height)
{
continue;
}
MFP.FillColor(_tempBuffer, e.Frame.Width, e.Frame.Height, area, 0);
}
}
VFPSearch.Process(_tempBuffer, e.Frame.Width, e.Frame.Height, e.Frame.Stride, e.StartTime, ref _searchLiveData.Data);
}
else
{
_fingerprintQueue.Enqueue(_searchLiveData);
_searchLiveData = null;
Dispatcher.BeginInvoke(new ProcessVideoDelegate(ProcessVideoDelegateMethod));
}
// overlap
if (e.StartTime < _fragmentDuration / 2)
{
return;
}
if (_searchLiveOverlapData == null)
{
_searchLiveOverlapData = new FingerprintLiveData((int)(_fragmentDuration / 1000), DateTime.Now);
_overlapFragmentCount++;
}
if (e.StartTime < _fragmentDuration * _overlapFragmentCount + _fragmentDuration / 2)
{
ImageHelper.CopyMemory(_tempBuffer, e.Frame.Data, e.Frame.DataSize);
VFPSearch.Process(_tempBuffer, e.Frame.Width, e.Frame.Height, e.Frame.Stride, e.StartTime, ref _searchLiveOverlapData.Data);
}
else
{
_fingerprintQueue.Enqueue(_searchLiveOverlapData);
_searchLiveOverlapData = null;
Dispatcher.BeginInvoke(new ProcessVideoDelegate(ProcessVideoDelegateMethod));
}
}
catch
{
}
}
private static void VideoCapture_OnVideoFrameBuffer(object sender, VideoFrameBufferEventArgs e)
{
}
