public static void Transcode(FormatType type, FormatData data, IList <IFormat> targets, FormatData destination, ProgressIndicator progress)
{
foreach (IFormat format in targets)
{
if (format.HasFormat(data))
{
Transfer(format, data, destination, progress);
return;
}
}
IList <IFormat> formats = FindTranscodePath(data.GetFormats(type), targets);
if (formats.Count == 0)
{
throw new UnsupportedTranscodeException("Could not find a supported transcode path.");
}
if (formats.Count == 1)
{
if (formats[0].CanTransfer(data))
{
Transfer(formats[0], data, destination, progress);
return;
}
else
{
formats.Add(formats[0]);
}
}
FormatData tempdata = null;
if (formats.Count > 2)
{
tempdata = new TemporaryFormatData();
}
progress.NewTask(formats.Count - 1);
for (int i = 1; i < formats.Count; i++)
{
FormatData dest = i < formats.Count - 1 ? tempdata : destination;
Transcode(formats[i - 1], data, formats[i], dest, progress);
data = dest;
progress.Progress();
}
progress.EndTask();
}