public List <FrameField> GetVideoFrameFields(List <int> fieldNumbers)
{
var result = new List <FrameField>();
fieldNumbers = (from f in fieldNumbers orderby f select f).ToList();
foreach (var frameNumber in fieldNumbers)
{
if ((frameNumber < 0) || (frameNumber >= TotalFields))
{
result.Add(null);
continue;
}
SeekToField(frameNumber, SeekModes.Accurate);
if (_pendingFrame != null)
{
FrameField frame = _pendingFrame.Fields[_pendingFrame.CurrentIndex];
//frame.Image.Save(@"D:\temp\image-" + frame.FrameNumber.ToString("00000") + ".png", System.Drawing.Imaging.ImageFormat.Png);
result.Add(frame);
}
else
{
result.Add(null);
}
_pendingFrame.CurrentIndex++;
if (_pendingFrame.CurrentIndex >= _pendingFrame.Fields.Length)
{
_pendingFrame = ReadVideoFrame();
}
}
return(result);
}
public ILVariable GetOrCreateVariable(FrameField field)
{
string name;
switch (field.FieldKind)
{
case FrameFieldKind.Parameter:
name = "arg_" + field.Index;
break;
case FrameFieldKind.ReturnAddress:
name = "return_address";
break;
case FrameFieldKind.CallersBasePointer:
name = "caller_bp";
break;
case FrameFieldKind.LocalVariable:
name = "local_" + field.Index;
break;
default:
throw new ArgumentOutOfRangeException();
}
var variable = GetOrCreateVariable(name);
variable.IsVirtual = false;
return(variable);
}
public static int GetCurrentFrame()
{
if (AnimationWindow == null)
{
return(-1);
}
#if UNITY_5_0
return((int)FrameField.GetValue(GetState()));
#else
return((int)FrameProperty.GetValue(GetState(), null));
#endif
}
public FrameField GetVideoFrameField(int fieldNumber, SeekModes seekMode = SeekModes.Accurate)
{
FrameField frame = null;
SeekToField(fieldNumber, seekMode);
if (_pendingFrame != null)
{
frame = _pendingFrame.Fields[_pendingFrame.CurrentIndex];
//frame.Image.Save(@"D:\temp\image-" + frame.FrameNumber.ToString("00000") + ".png", System.Drawing.Imaging.ImageFormat.Png);
}
_pendingFrame.CurrentIndex++;
if (_pendingFrame.CurrentIndex >= _pendingFrame.Fields.Length)
{
_pendingFrame = ReadVideoFrame();
}
return(frame);
}
public static void SetCurrentFrame(int frame, float time)
{
if (AnimationWindow == null)
{
return;
}
object state = GetState();
#if UNITY_5_0
TimeField.SetValue(state, time);
FrameField.SetValue(state, frame);
PreviewFrame.Invoke(AnimationWindow, new object[] { frame });
#else
CurrentTimeField.SetValue(state, time);
#endif
_animationWindow.Repaint();
}
private PendingFrame ProcessFrame()
{
_frameOrig = (FFmpeg.AVFrame)Marshal.PtrToStructure(_pFrameOrig, typeof(FFmpeg.AVFrame));
IntPtr pStream = Marshal.ReadIntPtr(_formatContext.streams, _videoStreamIndex * 4);
var stream = (FFmpeg.AVStream)Marshal.PtrToStructure(pStream, typeof(FFmpeg.AVStream));
_videoCodecContext = (FFmpeg.AVCodecContext)Marshal.PtrToStructure(stream.codec, typeof(FFmpeg.AVCodecContext));
if (_videoFrameFirstDTS == null)
{
_videoFrameFirstDTS = _frameOrig.pkt_dts;
}
if (_videoFieldDTSDuration == null)
{
_videoFieldDTSDuration = _frameOrig.pkt_duration / _videoCodecContext.ticks_per_frame;
}
var fieldList = new List <FrameField>();
//---------- Start YUV Image ----------
if (OutputYData || OutputYImage)
{
_scalerY.ProcessImage(_pFrameOrig, _frameOrig);
}
//---------- End YUV Image ----------
//---------- Start RGB Image ----------
if (OutputRGBImage && !OutputYImage)
{
_scalerRGB.ProcessImage(_pFrameOrig, _frameOrig);
}
//---------- End RGB Image ----------
for (int fieldIndex = 0; fieldIndex < _videoCodecContext.ticks_per_frame; fieldIndex++)
{
var field = new FrameField();
if (OutputYData || OutputYImage)
{
field.YData = _scalerY.GetYData(fieldIndex);
if (OutputYImage)
{
field.Image = _scalerY.GetImage(fieldIndex);
//field.Image.Save(@"D:\temp\image.png", System.Drawing.Imaging.ImageFormat.Png);
}
}
if (OutputRGBImage && !OutputYImage)
{
field.Image = _scalerRGB.GetImage(fieldIndex);
//field.Image.Save(@"D:\temp\image.png", System.Drawing.Imaging.ImageFormat.Png);
}
field.PTS = (_frameOrig.pkt_dts - _videoFrameFirstDTS.Value) + (fieldIndex * _videoFieldDTSDuration.Value);
field.Seconds = field.PTS * _videoCodecContext.pkt_timebase.num / (double)_videoCodecContext.pkt_timebase.den;
field.FieldIndex = fieldIndex;
field.FieldNumber = (int)(field.PTS / _videoFieldDTSDuration.Value);
field.FrameNumber = (int)(field.FieldNumber / _videoCodecContext.ticks_per_frame);
field.FilePosition = _frameOrig.pkt_pos;
field.AVFrame = _frameOrig;
fieldList.Add(field);
}
var frame = new PendingFrame();
frame.Fields = fieldList.ToArray();
return(frame);
}
