/// <summary>
/// Constructor takes a file path+name
/// </summary>
/// <param name="filename">File path+name</param>
public MediaFile(string filename)
{
_filename = filename;
_realLengthInUnits = MediaDetUtils.GetLength(filename);
_lengthUsedInUnits = _realLengthInUnits;
_lengthInFrames = -1;
}
protected void AssertLengths(double fps, string file1, string file2)
{
long length1 = MediaDetUtils.GetLength(file1);
long length2 = MediaDetUtils.GetLength(file2);
long frameLength = TimelineUtils.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 = TimelineUtils.ToUnits(expected);
long length2 = MediaDetUtils.GetLength(file);
long frameLength = TimelineUtils.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));
}
