public MediaFile(string fileName, bool manageLifespan)
{
_manageLifespan = manageLifespan;
_fileName = fileName;
_realLengthInUnits = MediaInspector.GetLength(fileName);
_lengthUsedInUnits = _realLengthInUnits;
LengthInFrames = -1;
}
public MediaFile(string fileName, bool manageLifespan)
{
_fileName = !Path.IsPathRooted(fileName) ? Path.GetFullPath(fileName) : fileName;
_manageLifespan = manageLifespan;
_realLengthInUnits = MediaInspector.GetLength(fileName);
_lengthUsedInUnits = _realLengthInUnits;
LengthInFrames = -1;
}
protected void AssertLengths(double fps, string file1, string file2)
{
long length1 = MediaInspector.GetLength(file1);
long length2 = MediaInspector.GetLength(file2);
long frameLength = TimelineBuilder.ToUnits(1.0 / fps);
long difference = Math.Abs(length1 - length2);
Assert.IsTrue(difference <= frameLength);
}
protected void AssertLengths(double fps, double expected, string file)
{
long length1 = TimelineBuilder.ToUnits(expected);
long length2 = MediaInspector.GetLength(file);
long frameLength = TimelineBuilder.ToUnits(1.0 / fps) * 4; // allow for 4 frames difference
long difference = Math.Abs(length1 - length2);
Assert.IsTrue(difference <= frameLength,
string.Format("expected {0} +/- {1}, but was {2}", length1, frameLength, length2));
}