/// <summary>
/// Returns a value between 0 and 1 how good the matching is.
/// </summary>
public double RateBiMatchedLines(SubtitleMatcher.BiMatchedLines biMatchedLines)
{
// [shared times between lines from list1 and list2] divided by [whole time]
// ...because this value is between 0 and 0.5 we have to multiply it with 2
// calculate "all time"
double sharedTime = 0;
double allTimeSpanTime = 0;
for (int listIndex = 0; listIndex < 2; listIndex++)
{
foreach (var currentLine in biMatchedLines.listlines[listIndex])
{
allTimeSpanTime += UtilsCommon.GetTimeSpanLength(currentLine);
}
}
// calculate "shared time"
foreach (var lineInfoA in biMatchedLines.listlines[0])
{
foreach (var lineInfoB in biMatchedLines.listlines[1])
{
sharedTime += UtilsCommon.OverlappingTimeSpan(lineInfoA, lineInfoB);
}
}
return((sharedTime * 2) / allTimeSpanTime);
}
/// <summary>
/// Returns the minimum time of all lines in BiMatchedLines.
/// XXX: move this to BiMatchedLines?
/// </summary>
private double GetStartTime(SubtitleMatcher.BiMatchedLines biMatchedLines)
{
double startTime = 0;
bool initialized = false;
foreach (var lineList in biMatchedLines.listlines)
{
foreach (LineInfo line in lineList)
{
if (line.StartTime < startTime || !initialized)
{
startTime = line.StartTime;
initialized = true;
}
}
}
return(startTime);
}