private void AddKeyFramesToList(IResultNode node, KeyFrameList keyFrames)
{
if (node.IsKeyframe())
{
ICodecDetector detector = node.Detectors.Where(d => d is ICodecDetector).SingleOrDefault() as ICodecDetector;
keyFrames.Add(new KeyFrame(BuildRangeList(detector.GetVideoHeaders(node)), BuildRangeList(detector.GetVideoData(node))));
}
else
{
foreach (var childNode in node.Children)
{
AddKeyFramesToList(childNode, keyFrames);
}
}
}
private static IEnumerable <IResultNode> FindKeyFrame(IResultNode node)
{
if (node.Detectors.Any(d => node.IsKeyframe()))
{
yield return(node);
}
foreach (IResultNode childNode in node.Children)
{
foreach (IResultNode keyFrameNode in FindKeyFrame(childNode))
{
yield return(keyFrameNode);
}
}
yield break;
}
private static IResultNode FindKeyFrame(IResultNode node)
{
if (node.Detectors.Any(d => node.IsKeyframe()))
{
return(node);
}
foreach (IResultNode childNode in node.Children)
{
IResultNode keyFrameNode = FindKeyFrame(childNode);
if (keyFrameNode != null)
{
return(keyFrameNode);
}
}
return(null);
}
private static IResultNode RecursiveKeyframeLookup(IResultNode node)
{
if (node.IsKeyframe())
{
return(node);
}
foreach (IResultNode childNode in node.Children)
{
IResultNode childResult = RecursiveKeyframeLookup(childNode);
if (childResult != null)
{
return(childResult);
}
}
return(null);
}
public void AskChangeDefaultCodecHeader(FFmpegResult ffmpegResult, IWin32Window windowOwner)
{
if (ffmpegResult.Bitmap == null && !IsWindowOpen() && !_backgroundFileScanner.IsBusy)
{
// Check if it is a key frame. When true we should be able to decode it.
IResultNode resultNode = ffmpegResult.SourcePacket;
if (resultNode != null && resultNode.IsKeyframe())
{
if (DialogResult.Yes ==
MessageBox.Show(
"Defraser couldn't detect the video headers of this frame. Do you want to use a reference header to decode this frame?",
"Header Not Found.", MessageBoxButtons.YesNo, MessageBoxIcon.Question,
MessageBoxDefaultButton.Button2))
{
EditDefaultCodecHeader editDefaultCodecHeader = CreateEditDefaultCodecHeaderWindow();
editDefaultCodecHeader.SelectCodec(ffmpegResult.SourcePacket.DataFormat);
editDefaultCodecHeader.ShowDialog(windowOwner);
}
}
}
}
